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/node_modules
/oh_modules
/local.properties
/.idea
**/build
/.hvigor
.cxx
/oh_modules/
/.hvigor/
/oh-package-lock.json5
/.clangd
/.clang-format
/.clang-tidy
**/.test

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"bundleName": "com.openharmony.imageknife",
"vendor": "example",
"versionCode": 1000000,
"versionName": "3.0.0-rc.0",
"versionName": "2.1.2-rc.0",
"icon": "$media:app_icon",
"label": "$string:app_name",
"distributedNotificationEnabled": true

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## 3.1.1-rc.1
- Photo reduction sampling
## 3.1.1-rc.0
- 重构代码抽取ImageKnifeDispatcher子线程requestJob相关代码到ImageKnifeLoader中降低函数复杂度
## 3.1.0
- 部分静态webp图片有delay属性导致识别成动图,改用getFrameCount识别
- 修复加载错误图后未去请求排队队列中的请求
- 子线程本地Resource参数类型转换成number
- 修改使用hilog记录日志默认打开debug级别的日志
- file格式图片fd同步close
- 解码pixelMap默认不可编辑图形变化可编辑
- 修改网络请求超时设置
## 3.1.0-rc.2
- 修复宽高不等svg图片显示有毛边
## 3.1.0-rc.1
- ImageKnifeAnimatorComponent新增开始、结束、暂停的回调事件
- 文件缓存数量负数和超过INT最大值时默认为INT最大值
## 3.1.0-rc.0
- ComponentV2装饰器适配
- imageKnifeOption={...}用法改为new ImageKnifeOption({...})
- animatorOption={...}用法改为new AnimatorOption({...})
## 3.0.1
- 修复animatorOption属性设置初始化值失效
- 网络请求code为206、204时返回arraybuffer
- ImageKnifeComponent显示非必要文件缓存初始化
- 修复webp静态图无法设置图形变换
## 3.0.1-rc.2
- 修复自定义下载失败无失败回调
- 增加全局配置自定义下载接口
- 修复主图相同,错误图不同导致只显示一个错误图
- heic格式图片文件魔数从第五位开始匹配
## 3.0.1-rc.1
- 新增ImageKnifeAnimatorComponent控制动图组件
## 2.3.0-rc.2
- 加载优先级Priority类型改为taskpool.Priority类型
- 修复部分heif图无法解码
## 3.0.1-rc.0
- 文件缓存设置最大缓存数量改为无限制
## 2.3.0-rc.1
- 修复file://格式图片无法显示
- 修改uuid的生成方式使用资源loadSrc宽高以及转换效果的拼接字符串作为入参 修复同资源图形转换错乱的问题
## 3.0.0
- 修复图形变换的闪退问题
- 自定义下载customGetImage改为仅主图支持
- 修改网络请求requestInStream配置优先返回arraybuffer
- 新增ColorFilter属性
## 2.3.0-rc.0
- 增加gif图duration的默认值以及默认播放次数
## 3.0.0-rc.9
- 修复Resource类型$r(变量无法)加载
- 成功回调增加图片格式
- Image组件增加onComplete回调
- 修复404链接无返回错误信息
- onLoadListener增加请求取消回调
## 3.0.0-rc.8
- svg解码单位改为px
- 修复预加载接口preLoadCache传ImageKnifeOption失效
- 文件缓存初始化接口新增目录参数
- 占位图从内存获取提前到判断队列前面
- 图片改为不可拖拽
- 修复getCacheImage默认内存获取后不返回数据
- 成功回调返回GIF图宽高
## 3.0.0-rc.7
- 修复成功回调获取不到宽高
- 新增svg图片解码
- 新增媒体图片file://格式
- 修复头像超过设备高度图片闪动问题-消息列表底部头像闪动问题
## 3.0.0-rc.6
- 支持多种组合变换
- 支持全局配置是否在子线程请求加载图片,默认在子线程
- 文件缓存初始化增加默认值
- 预加载接口新增返回加载错误信息
- 加载队列改为使用堆Stack
- fileType图片格式新增heic格式
## 3.0.0-rc.5
- 图片加载事件增加请求开始的回调,以及修复有缓存时没有回调的bug
- 修复对已销毁组件不再下发请求的逻辑
- 加载图片流程添加日志
- 子线程写入文件缓存获取buffer优化
- 成功回调增加返回图片分辨率宽高
- 内存缓存时将pixelMap进行release释放
- 提供清理缓存能力
## 3.0.0-rc.4
- 支持hsp多包图片资源
- 新增putCache写入缓存接口
- 修复入参为pixelMap图片不显示问题
- 网络请求减少拼接操作,修复网络加载速度慢
## 2.2.0
- 修复错误图绘制完后变成占位图
- 提供图片加载成功/失败的事件
## 3.0.0-rc.3
- 将请求默认并行从64调整到8减少对taskpool execute内存消耗
- 补充option参数placeholderObjectFiterrorholderObjectFit分别支持占位图填充效果和错误图填充效果
## 3.0.0-rc.2
- 新增支持使用一个或多个图片变换,如模糊,高亮等
## 3.0.0-rc.1
- 新增从内存或文件缓存获取图片数据接口getCacheImage
- 新增图片预加载preLoadCache并返回文件缓存路径
- ImageKnifeOption新增writeCacheStrategy存入策略(只存入内存或文件缓存)
- ImageKnifeOption新增onlyRetrieveFromCache仅用缓存加载
- 新增单个和全局请求头
- 补齐自定key特性
- 修复懒加载在多次点击出现卡死的问题
- 支持多种组合变换
- 提供清理缓存能力
- 修复preLoad接口失效
- 修复多线程图片加载出现空白问题
- 获取组件宽高改用onSizeChange 需要API12
## 3.0.0-rc.0
- 使用Image组件替换Canvas组件渲染并重构大部分的实现逻辑提升渲染性能
较2.x版本增强点
- 使用Image组件代替Canvas组件渲染
- 重构Dispatch分发逻辑支持控制并发请求数支持请求排队队列的优先级
- 支持通过initMemoryCache自定义策略内存缓存策略和大小。
- 支持option自定义实现图片获取/网络下载
- 继承Image的能力支持option传入border设置边框圆角
- 继承Image的能力支持option传入objectFit设置图片缩放
- 修复发送消息时最近的两条消息头像闪动的问题
缺失特性
- 不支持drawLifeCycle接口通过canvas自会图片
- mainScaleTypeborder等参数新版本与系统Image保持一致
- gif/webp动图播放与控制
- signature自定义key的实现
- 支持进行图片变换: 支持图像像素源图片变换效果。
- 抗锯齿相关参数
- svg解码宽高单位给位px
- 修复复用场景下从内存获取图片后又清空了画布导致图片不显示
- 修复复用场景主图比占位图绘制快后下次不显示占位图问题
## 2.2.0-rc.2
- ImageKnife支持下采样
- ImageKnife支持heic图片修改demo按钮控制组件是否展示
- 修复通过磁盘链接加载图片无法显示
- ImageKnife控制可视化区域图片
- 修复占位图、错误图、重试图从内存获取之后进入子线程导致内存泄露
- ImageKnifeComponent组件key属性改为id属性
- 修改header图的存储标志位
## 2.2.0-rc.1
- 修改ImageKnife跳过网络,点击默认,图片没有传入宽高,无显示bug
@ -386,12 +283,12 @@
新增
- 1.onClick事件属性
- 1.onClick事件属性
删除
删除
- 1.size(设置大小)
- 2.sizeAnimated 显式动画
- 1.size(设置大小)
- 2.sizeAnimated 显式动画
- 3.backgroundColor背景色
- 4.margin 组件外间距 等属性,删除的属性将由通用属性提供支持,可支持在ImageKnifeComponent自定义组件上链式调用
## 1.0.4

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<filteritem type="filename" name="hvigorw" desc="hvigorw配置文件DevEco Studio自动生成不手动修改"/>
<filteritem type="filename" name="hvigorw.bat" desc="hvigorw配置文件DevEco Studio自动生成不手动修改"/>
<filteritem type="filename" name="hvigor-wrapper.js" desc="hvigorw配置文件DevEco Studio自动生成不手动修改"/>
<filteritem type="filepath" name="library/src/main/ets/3rd_party/.*" desc="第三方开源软件源码,不修改版权头,以防有修改版权风险"/>
<filteritem type="filepath" name="library/src/main/ets/components/3rd_party/.*" desc="第三方开源软件源码,不修改版权头,以防有修改版权风险"/>
<filteritem type="filename" name=".gitmodules" desc="项目工程配置文件,不需要添加版权头"/>
</filefilter>
<filefilter name="defaultPolicyFilter" desc="Filters for compatibilitylicense header policies">
<filteritem type="filename" name="hvigorfile.*" desc="hvigor配置文件DevEco Studio自动生成不手动修改"/>
@ -37,7 +38,8 @@
<filteritem type="filename" name="hvigorw" desc="hvigorw配置文件DevEco Studio自动生成不手动修改"/>
<filteritem type="filename" name="hvigorw.bat" desc="hvigorw配置文件DevEco Studio自动生成不手动修改"/>
<filteritem type="filename" name="hvigor-wrapper.js" desc="hvigorw配置文件DevEco Studio自动生成不手动修改"/>
<filteritem type="filepath" name="library/src/main/ets/3rd_party/.*" desc="第三方开源软件源码,不修改版权头,以防有修改版权风险"/>
<filteritem type="filepath" name="library/src/main/ets/components/3rd_party/.*" desc="第三方开源软件源码,不修改版权头,以防有修改版权风险"/>
<filteritem type="filename" name=".gitmodules" desc="项目工程配置文件,不需要添加版权头"/>
</filefilter>
<filefilter name="binaryFileTypePolicyFilter" desc="Filters for binary file policies">
<filteritem type="filename" name="*.dpg" desc="dpg图片格式文件,用于展示示例"/>
@ -49,9 +51,10 @@
<filteritem type="filename" name="*.jpg" desc="jpg图片格式文件,用于展示示例"/>
<filteritem type="filename" name="*.jpeg" desc="jpeg图片格式文件,用于展示示例"/>
<filteritem type="filename" name="*.json5" desc="hvigor配置文件"/>
<filteritem type="filename" name="*.heic" desc="heic图片格式文件,用于展示示例"/>
</filefilter>
<filefilter name="defaultFilter" desc="Files not to check">
<filteritem type="filepath" name="library/src/main/ets/3rd_party/.*" desc="第三方开源软件源码,不修改版权头,以防有修改版权风险"/>
<filteritem type="filepath" name="library/src/main/ets/components/3rd_party/.*" desc="第三方开源软件源码,不修改版权头,以防有修改版权风险"/>
</filefilter>
</filefilterlist>
</oatconfig>

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# ImageKnife
**专门为OpenHarmony打造的一款图像加载缓存库致力于更高效、更轻便、更简单。**
## 简介
本项目参考开源库 [Glide](https://github.com/bumptech/glide) 进行OpenHarmony的自研版本
- 支持自定义内存缓存策略,支持设置内存缓存的大小(默认LRU策略)。
- 支持磁盘二级缓存,对于下载图片会保存一份至磁盘当中。
- 支持自定义实现图片获取/网络下载
- 支持监听网络下载回调进度
- 继承Image的能力支持option传入border设置边框圆角
- 继承Image的能力支持option传入objectFit设置图片缩放包括objectFit为auto时根据图片自适应高度
- 支持通过设置transform缩放图片
- 并发请求数量,支持请求排队队列的优先级
- 支持生命周期已销毁的图片,不再发起请求
- 自定义缓存key
- 自定义http网络请求头
- 支持writeCacheStrategy控制缓存的存入策略(只存入内存或文件缓存)
- 支持preLoadCache预加载图片
- 支持onlyRetrieveFromCache仅用缓存加载
- 支持使用一个或多个图片变换,如模糊,高亮等
待实现特性
- 内存降采样优化,节约内存的占用
- 支持自定义图片解码
注意3.x版本相对2.x版本做了重大的重构主要体现在
- 使用Image组件代替Canvas组件渲染
- 重构Dispatch分发逻辑支持控制并发请求数支持请求排队队列的优先级
- 支持通过initMemoryCache自定义策略内存缓存策略和大小
- 支持option自定义实现图片获取/网络下载
因此API及能力上目前有部分差异主要体现在
- 不支持drawLifeCycle接口通过canvas自会图片
- mainScaleTypeborder等参数新版本与系统Image保持一致
- gif/webp动图播放与控制(ImageAnimator实现)
- 抗锯齿相关参数
## 下载安装
```
ohpm install @ohos/imageknife
// 如果需要用文件缓存,需要提前初始化文件缓存
await ImageKnife.getInstance().initFileCache(context, 256, 256 * 1024 * 1024)
```
## 使用说明
#### 1.显示本地资源图片
```
ImageKnifeComponent({
ImageKnifeOption: new ImageKnifeOption({
loadSrc: $r("app.media.app_icon"),
placeholderSrc: $r("app.media.loading"),
errorholderSrc: $r("app.media.app_icon"),
objectFit: ImageFit.Auto
})
}).width(100).height(100)
```
#### 2.显示本地context files下文件
```
ImageKnifeComponent({
ImageKnifeOption: new ImageKnifeOption({
loadSrc: this.localFile,
placeholderSrc: $r("app.media.loading"),
errorholderSrc: $r("app.media.app_icon"),
objectFit: ImageFit.Auto
})
}).width(100).height(100)
```
#### 3.显示网络图片
```
ImageKnifeComponent({
ImageKnifeOption: new ImageKnifeOption({
loadSrc:"https://www.openharmony.cn/_nuxt/img/logo.dcf95b3.png",
placeholderSrc: $r("app.media.loading"),
errorholderSrc: $r("app.media.app_icon"),
objectFit: ImageFit.Auto
})
}).width(100).height(100)
```
#### 4.自定义下载图片
```
ImageKnifeComponent({
ImageKnifeOption: new ImageKnifeOption({
loadSrc: "https://file.atomgit.com/uploads/user/1704857786989_8994.jpeg",
placeholderSrc: $r("app.media.loading"),
errorholderSrc: $r("app.media.app_icon"),
objectFit: ImageFit.Auto,
customGetImage: custom
})
}).width(100).height(100)
// 自定义实现图片获取方法,如自定义网络下载
@Concurrent
async function custom(context: Context, src: string | PixelMap | Resource): Promise<ArrayBuffer | undefined> {
console.info("ImageKnife:: custom download" + src)
// 举例写死从本地文件读取,也可以自己请求网络图片
return context.resourceManager.getMediaContentSync($r("app.media.bb").id).buffer as ArrayBuffer
}
```
#### 5.监听网络下载进度
```
ImageKnifeComponent({
ImageKnifeOption: new ImageKnifeOption({
loadSrc:"https://www.openharmony.cn/_nuxt/img/logo.dcf95b3.png",
progressListener:(progress:number)=>{console.info("ImageKinfe:: call back progress = " + progress)}
})
}).width(100).height(100)
```
#### 6.支持option传入border设置边框圆角
```
ImageKnifeComponent({ ImageKnifeOption: new ImageKnifeOption(
{
loadSrc: $r("app.media.rabbit"),
border: {radius:50}
})
}).width(100).height(100)
```
#### 7.支持option图片变换
```
ImageKnifeComponent({ ImageKnifeOption: new ImageKnifeOption(
{
loadSrc: $r("app.media.rabbit"),
border: {radius:50},
transformation: new BlurTransformation(3)
})
}).width(100).height(100)
```
多种组合变换用法
```
let transformations: collections.Array<PixelMapTransformation> = new collections.Array<PixelMapTransformation>();
transformations.push(new BlurTransformation(5));
transformations.push(new BrightnessTransformation(0.2));
ImageKnifeComponent({
imageKnifeOption: new ImageKnifeOption({
loadSrc: $r('app.media.pngSample'),
placeholderSrc: $r("app.media.loading"),
errorholderSrc: $r("app.media.app_icon"),
objectFit: ImageFit.Contain,
border: { radius: { topLeft: 50, bottomRight: 50 } }, // 圆角设置
transformation: transformations.length > 0 ? new MultiTransTransformation(transformations) : undefined // 图形变换组
})
}).width(300)
.height(300)
.rotate({ angle: 90 }) // 旋转90度
.contrast(12) // 对比度滤波器
```
其它变换相关属性,可叠加实现组合变换效果
圆形裁剪变换示例
```
ImageKnifeComponent({ ImageKnifeOption:new ImageKnifeOption(
{
loadSrc: $r('app.media.pngSample'),
objectFit: ImageFit.Cover,
border: { radius: 150 }
})
}).width(300)
.height(300)
```
圆形裁剪带边框变换示例
```
ImageKnifeComponent({ ImageKnifeOption:new ImageKnifeOption(
{
loadSrc: $r('app.media.pngSample'),
objectFit: ImageFit.Cover,
border: { radius: 150, color: Color.Red, width: 5 }
})
}).width(300)
.height(300)
```
对比度滤波变换示例
```
ImageKnifeComponent({
imageKnifeOption: new ImageKnifeOption({
loadSrc: $r('app.media.pngSample')
})
}).width(300)
.height(300)
.contrast(12)
```
旋转变换示例
```
ImageKnifeComponent({
imageKnifeOption: new ImageKnifeOption({
loadSrc: $r('app.media.pngSample')
})
}).width(300)
.height(300)
.rotate({angle:90})
.backgroundColor(Color.Pink)
```
#### 8.监听图片加载成功与失败
```
ImageKnifeComponent({ ImageKnifeOption: new ImageKnifeOption(
{
loadSrc: $r("app.media.rabbit"),
onLoadListener:{
onLoadStart:()=>{
this.starTime = new Date().getTime()
console.info("Load start: ");
},
onLoadFailed: (err) => {
console.error("Load Failed Reason: " + err + " cost " + (new Date().getTime() - this.starTime) + " milliseconds");
},
onLoadSuccess: (data, imageData) => {
console.info("Load Successful: cost " + (new Date().getTime() - this.starTime) + " milliseconds");
return data;
},
onLoadCancel(err){
console.info(err)
}
}
})
}).width(100).height(100)
```
#### 9.ImageKnifeComponent - syncLoad
设置是否同步加载图片默认是异步加载。建议加载尺寸较小的Resource图片时将syncLoad设为true因为耗时较短在主线程上执行即可
```
ImageKnifeComponent({
imageKnifeOption:new ImageKnifeOption({
loadSrc:$r("app.media.pngSample"),
placeholderSrc:$r("app.media.loading")
}),syncLoad:true
})
```
#### 10.ImageKnifeAnimatorComponent 示例
```
ImageKnifeAnimatorComponent({
imageKnifeOption:new ImageKnifeOption({
loadSrc:"https://gd-hbimg.huaban.com/e0a25a7cab0d7c2431978726971d61720732728a315ae-57EskW_fw658",
placeholderSrc:$r('app.media.loading'),
errorholderSrc:$r('app.media.failed')
}),animatorOption:this.animatorOption
}).width(300).height(300).backgroundColor(Color.Orange).margin({top:30})
```
#### 复用场景
在aboutToRecycle生命周期清空组件内容通过watch监听触发图片的加载。
## 接口说明
### ImageKnife组件
| 组件名称 | 入参内容 | 功能简介 |
|-----------------------------|---------------------------------|--------|
| ImageKnifeComponent | ImageKnifeOption | 图片显示组件 |
| ImageKnifeAnimatorComponent | ImageKnifeOption、AnimatorOption | 动图控制组件 |
### AnimatorOption参数列表
| 参数名称 | 入参内容 | 功能简介 |
|------------|-----------------|----------|
| state | AnimationStatus | 播放状态(可选) |
| iterations | number | 播放次数(可选) |
| reverse | boolean | 播放顺序(可选) |
| onStart | ()=>void | 动画开始播放时触发(可选) |
| onFinish | ()=>void | 动画播放完成时或者停止播放时触发(可选) |
| onPause | ()=>void | 动画暂停播放时触发(可选) |
| onCancel | ()=>void | 动画返回最初状态时触发(可选) |
| onRepeat | ()=>void | 动画重复播放时触发(可选) |
### ImageKnifeOption参数列表
| 参数名称 | 入参内容 | 功能简介 |
|-----------------------|-------------------------------------------------------|-----------------|
| loadSrc | string、PixelMap、Resource | 主图展示 |
| placeholderSrc | PixelMap、Resource | 占位图图展示(可选) |
| errorholderSrc | PixelMap、Resource | 错误图展示(可选) |
| objectFit | ImageFit | 主图填充效果(可选) |
| placeholderObjectFit | ImageFit | 占位图填充效果(可选) |
| errorholderObjectFit | ImageFit | 错误图填充效果(可选) |
| writeCacheStrategy | CacheStrategyType | 写入缓存策略(可选) |
| onlyRetrieveFromCache | boolean | 是否跳过网络和本地请求(可选) |
| customGetImage | (context: Context, src: string | 自定义下载图片(可选) | | Resource | 错误占位图数据源 |
| border | BorderOptions | 边框圆角(可选) |
| priority | taskpool.Priority | 加载优先级(可选) |
| context | common.UIAbilityContext | 上下文(可选) |
| progressListener | (progress: number)=>void | 进度(可选) |
| signature | String | 自定义缓存关键字(可选) |
| headerOption | Array<HeaderOptions> | 设置请求头(可选) |
| transformation | PixelMapTransformation | 图片变换(可选) |
| drawingColorFilter | ColorFilter | drawing.ColorFilter | 图片变换(可选) |
| onComplete | (event:EventImage | undefined) => voi | 颜色滤镜效果(可选) |
| onLoadListener | onLoadStart: () => void、onLoadSuccess: (data: string | PixelMap | undefined) => void、onLoadFailed: (err: string) => void| 监听图片加载成功与失败 |
### ImageKnife接口
| 参数名称 | 入参内容 | 功能简介 |
|------------------|-------------------------------------------------------------------------------------------------------|---------------|
| initMemoryCache | newMemoryCache: IMemoryCache | 自定义内存缓存策略 |
| initFileCache | context: Context, size: number, memory: number | 初始化文件缓存数量和大小 |
| preLoadCache | loadSrc: string I ImageKnifeOption | 预加载并返回文件缓存路径 |
| getCacheImage | loadSrc: string, cacheType: CacheStrategy = CacheStrategy.Default, signature?: string) | 从内存或文件缓存中获取资源 |
| addHeader | key: string, value: Object | 全局添加http请求头 |
| setHeaderOptions | Array<HeaderOptions> | 全局设置http请求头 |
| deleteHeader | key: string | 全局删除http请求头 |
| setCustomGetImage | customGetImage?: (context: Context, src: string | PixelMap | Resource) => Promise<ArrayBuffer | undefined> | 全局设置自定义下载 |
| setEngineKeyImpl | IEngineKey | 全局配置缓存key生成策略 |
| putCacheImage | url: string, pixelMap: PixelMap, cacheType: CacheStrategy = CacheStrategy.Default, signature?: string | 写入内存磁盘缓存 |
| removeMemoryCache| url: string | ImageKnifeOption | 清理指定内存缓存 |
| removeFileCache | url: string | ImageKnifeOption | 清理指定磁盘缓存 |
### 图形变换类型需要为GPUImage添加依赖项
| 类型 | 相关描述 |
| ---------------------------------- | ----------------------------- |
| BlurTransformation | 模糊处理 |
| BrightnessTransformation | 亮度滤波器 |
| CropSquareTransformation | 正方形剪裁 |
| CropTransformation | 自定义矩形剪裁 |
| GrayScaleTransformation | 灰度级滤波器 |
| InvertTransformation | 反转滤波器 |
| KuwaharaTransformation | 桑原滤波器使用GPUIImage |
| MaskTransformation | 遮罩 |
| PixelationTransformation | 像素化滤波器使用GPUIImage |
| SepiaTransformation | 乌墨色滤波器使用GPUIImage |
| SketchTransformation | 素描滤波器使用GPUIImage |
| SwirlTransformation | 扭曲滤波器使用GPUIImage |
| ToonTransformation | 动画滤波器使用GPUIImage |
| VignetterTransformation | 装饰滤波器使用GPUIImage |
## 下载安装GPUImage依赖
方法一在Terminal窗口中执行如下命令安装三方包DevEco Studio会自动在工程的oh-package.json5中自动添加三方包依赖。
```
ohpm install @ohos/gpu_transform
```
方法二: 在工程的oh-package.json5中设置三方包依赖配置示例如下
```
"dependencies": {
"@ohos/gpu_transform": "^1.0.2"
}
```
## 约束与限制
在下述版本验证通过:
DevEco Studio 5.0 Canary35.0.3.502--SDK:API12 (5.0.0.31)
## 贡献代码
使用过程中发现任何问题都可以提 [issue](https://gitee.com/openharmony-tpc/ImageKnife/issues)
,当然,也非常欢迎发 [PR](https://gitee.com/openharmony-tpc/ImageKnife/pulls) 共建。
## 开源协议
本项目基于 [Apache License 2.0](https://gitee.com/openharmony-tpc/ImageKnife/blob/master/LICENSE) ,请自由的享受和参与开源。
## 遗留问题
- ImageKnifeAnimator组件无法设置ImageFit属性
- ImageKnifeAnimator组件设置border属性无法将图片变为圆角

View File

@ -1,8 +1,5 @@
{
"app": {
"signingConfigs": [
],
"products": [
{
"name": "default",
@ -13,7 +10,7 @@
],
"buildModeSet": [
{
"name": "debug",
"name": "debug"
},
{
"name": "release"
@ -52,6 +49,18 @@
]
}
]
},
{
"name": "sharedlibrary2",
"srcPath": "./sharedlibrary2",
"targets": [
{
"name": "default",
"applyToProducts": [
"default"
]
}
]
}
]
}

5
entry/.gitignore vendored
View File

@ -1,6 +1,5 @@
/node_modules
/oh_modules
/.preview
/build
/.cxx
/.test
/oh_modules/
/oh-package-lock.json5

View File

@ -1,28 +1,15 @@
{
"apiType": "stageMode",
"apiType": 'stageMode',
"buildOption": {
"arkOptions": {
// "apPath": "./modules.ap" /* Profile used for profile-guided optimization (PGO), a compiler optimization technique to improve app runtime performance. */
"sourceOption": {
"workers": [
"./src/main/ets/workers/upngWorkerTestCase.ets"
]
}
},
"buildOptionSet": [
{
"name": "release",
"arkOptions": {
"obfuscation": {
"ruleOptions": {
"enable": true,
"files": [
"./obfuscation-rules.txt"
]
}
}
}
},
],
"targets": [
{
"name": "default"
"name": "default",
},
{
"name": "ohosTest",

2
entry/hvigorfile.js Normal file
View File

@ -0,0 +1,2 @@
// Script for compiling build behavior. It is built in the build plug-in and cannot be modified currently.
module.exports = require('@ohos/hvigor-ohos-plugin').hapTasks

View File

@ -1,6 +0,0 @@
import { hapTasks } from '@ohos/hvigor-ohos-plugin';
export default {
system: hapTasks, /* Built-in plugin of Hvigor. It cannot be modified. */
plugins:[] /* Custom plugin to extend the functionality of Hvigor. */
}

View File

@ -1,18 +0,0 @@
# Define project specific obfuscation rules here.
# You can include the obfuscation configuration files in the current module's build-profile.json5.
#
# For more details, see
# https://gitee.com/openharmony/arkcompiler_ets_frontend/blob/master/arkguard/README.md
# Obfuscation options:
# -disable-obfuscation: disable all obfuscations
# -enable-property-obfuscation: obfuscate the property names
# -enable-toplevel-obfuscation: obfuscate the names in the global scope
# -compact: remove unnecessary blank spaces and all line feeds
# -remove-log: remove all console.* statements
# -print-namecache: print the name cache that contains the mapping from the old names to new names
# -apply-namecache: reuse the given cache file
# Keep options:
# -keep-property-name: specifies property names that you want to keep
# -keep-global-name: specifies names that you want to keep in the global scope

View File

@ -1,13 +1,14 @@
{
"license": "Apache License 2.0",
"devDependencies": {},
"name": "entry",
"version": "1.0.0",
"description": "Please describe the basic information.",
"main": "",
"author": "",
"license": "",
"description": "example description",
"repository": {},
"version": "2.2.0-rc.3",
"dependencies": {
"@ohos/libraryimageknife": "file:../sharedlibrary",
"@ohos/sharedlibrary2": "file:../sharedlibrary2",
"@ohos/disklrucache": "^2.0.2-rc.0",
"@ohos/imageknife": "file:../library"
}
}

View File

@ -1,65 +0,0 @@
/*
* Copyright (C) 2024 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { DownsampleStrategy } from '@ohos/imageknife';
import { IEngineKey, ImageKnifeOption, PixelMapTransformation,SparkMD5 ,ImageKnifeRequestSource} from '@ohos/libraryimageknife';
//全局自定义key demo
@Sendable
export class CustomEngineKeyImpl implements IEngineKey {
// 生成内存缓存key
generateMemoryKey(loadSrc: string | PixelMap | Resource, requestSource: ImageKnifeRequestSource,
imageKnifeOption: ImageKnifeOption,isAnimator?: boolean, width?: number, height?: number): string {
let key = ""
if(imageKnifeOption.signature == "aaa" && typeof loadSrc == "string") {
let num = loadSrc.indexOf("?")
let src = loadSrc.substring(0,num)
key = "loadSrc=" + src
} else {
key = (isAnimator == true ? "Animator=" : "loadSrc==") + (typeof loadSrc == "string" ? loadSrc : JSON.stringify(loadSrc)) + ";"
}
if (requestSource === ImageKnifeRequestSource.SRC) {
if (imageKnifeOption.signature !== undefined && imageKnifeOption.signature !== "") {
key += "signature=" + imageKnifeOption.signature + ";"
}
if (imageKnifeOption.transformation) {
key += "transformation=" + this.getTransformation(imageKnifeOption.transformation) + ";"
}
if ((imageKnifeOption.downsampleOf !== DownsampleStrategy.NONE && imageKnifeOption.downsampleOf !== undefined)) {
key += "downsampleOf" + imageKnifeOption.downsampleOf +"width="+width+"height="+ height
}
}
return key
}
// 生成文件缓存key
generateFileKey(loadSrc: string | PixelMap | Resource, signature?: string,isAnimator?: boolean): string {
let src = ""
if(signature == "aaa" && typeof loadSrc == "string") {
let num = loadSrc.indexOf("?")
let key = loadSrc.substring(0,num)
src = "loadSrc=" + key
} else {
src = (isAnimator == true ? "Animator=" : "loadSrc==") + (typeof loadSrc == "string" ? loadSrc : JSON.stringify(loadSrc)) + ";"
}
if (signature !== undefined && signature !== "") {
src += "signature=" + signature + ";"
}
return SparkMD5.hashBinary(src)
}
private getTransformation(transformation: PixelMapTransformation): string {
return transformation.getName()
}
}

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@ -0,0 +1,76 @@
/*
* Copyright (C) 2023 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { EngineKeyFactories, EngineKeyInterface, RequestOption } from '@ohos/libraryimageknife'
import { ObjectKey } from '@ohos/libraryimageknife';
export class CustomEngineKeyImpl implements EngineKeyInterface {
redefineUrl: (loadSrc: string) => string;
addOtherInfo: string = "Version=1.0.0;"
constructor() {
this.redefineUrl = this.urlNeedClearToken;
}
// request只读
generateMemoryCacheKey(loadSrc: string, size: string, transformed: string, dontAnimate: boolean, signature: ObjectKey): string {
return EngineKeyFactories.createMemoryCacheKey(loadSrc, size, transformed, dontAnimate, signature, this.redefineUrl, this.addOtherInfo);
}
generateTransformedDiskCacheKey(loadSrc: string, size: string, transformed: string, dontAnimate: boolean, signature: ObjectKey): string {
return EngineKeyFactories.createTransformedDiskCacheKey(loadSrc, size, transformed, dontAnimate, signature, this.redefineUrl, this.addOtherInfo);
}
generateOriginalDiskCacheKey(loadSrc: string, signature: ObjectKey): string {
return EngineKeyFactories.createOriginalDiskCacheKey(loadSrc, signature, this.redefineUrl, this.addOtherInfo);
}
// 需求场景: 请求图片可能 请求中存在token需要清除 可以把输入的url清除token后作为key的一部分这样token发生变化也能命中缓存。
urlNeedClearToken = (url: string) => {
if (this.isHttpRequest(url)) {
return this.clearToken(url)
} else {
return url;
}
}
isHttpRequest(loadSrc: string) {
if (typeof loadSrc == "string" && loadSrc.toLowerCase().startsWith("http")) {
return true;
}
return false;
}
// 清除url里面中携带的token
clearToken(url: string): string {
let retUrl = url.replace(this.findTokenParam(url), "")
return retUrl;
}
// 网络图片加载 可能因为Token问题导致缓存失效
findTokenParam(url: string): string {
let tokenParam = "";
let tokenKeyIndex = url.indexOf("?token=") >= 0 ? url.indexOf("?token=") : url.indexOf("&token=");
if (tokenKeyIndex != -1) {
let nextAndIndex = url.indexOf("&", tokenKeyIndex + 1);
if (nextAndIndex != -1) {
tokenParam = url.substring(tokenKeyIndex + 1, nextAndIndex + 1);
} else {
tokenParam = url.substring(tokenKeyIndex);
}
}
return tokenParam;
}
}

View File

@ -1,37 +1,27 @@
/*
* Copyright (C) 2024 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the 'License');
* Copyright (C) 2023 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an 'AS IS' BASIS,
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import AbilityConstant from '@ohos.app.ability.AbilityConstant';
import hilog from '@ohos.hilog';
import UIAbility from '@ohos.app.ability.UIAbility';
import Want from '@ohos.app.ability.Want';
import hilog from '@ohos.hilog';
import window from '@ohos.window';
import { ImageKnife, InitImageKnife, LogUtil } from '@ohos/libraryimageknife';
import { CustomEngineKeyImpl } from '../common/CustomEngineKeyImpl';
import { InitImageKnife, ImageKnifeGlobal, ImageKnife, ImageKnifeDrawFactory, LogUtil } from '@ohos/libraryimageknife'
import { CustomEngineKeyImpl } from './CustomEngineKeyImpl'
import abilityAccessCtrl, { Permissions } from '@ohos.abilityAccessCtrl';
import { BusinessError } from '@ohos.base'
export default class EntryAbility extends UIAbility {
onCreate(want: Want, launchParam: AbilityConstant.LaunchParam): void {
hilog.info(0x0000, 'testTag', '%{public}s', 'Ability onCreate');
}
onDestroy(): void {
hilog.info(0x0000, 'testTag', '%{public}s', 'Ability onDestroy');
}
async onWindowStageCreate(windowStage: window.WindowStage): Promise<void> {
onWindowStageCreate(windowStage: window.WindowStage) {
// Main window is created, set main page for this ability
// let list: Array<Permissions> = ['ohos.permission.READ_IMAGEVIDEO', 'ohos.permission.WRITE_IMAGEVIDEO'];
// let permissionRequestResult: Object;
@ -45,36 +35,25 @@ export default class EntryAbility extends UIAbility {
// }
// })
hilog.info(0x0000, 'testTag', '%{public}s', 'Ability onWindowStageCreate');
// 初始化ImageKnife的文件缓存
await InitImageKnife.init(this.context)
ImageKnife.getInstance().setEngineKeyImpl(new CustomEngineKeyImpl())
// 全局配置请求头
ImageKnife.getInstance().addHeader('refer', "http://1.94.37.200:7070/AntiTheftChain/downloadImage");
ImageKnife.getInstance().deleteHeader('refer');
windowStage.loadContent('pages/Index', (err, data) => {
if (err.code) {
hilog.error(0x0000, 'testTag', 'Failed to load the content. Cause: %{public}s', JSON.stringify(err) ?? '');
return;
}
hilog.info(0x0000, 'testTag', 'Succeeded in loading the content. Data: %{public}s', JSON.stringify(data) ?? '');
windowStage.loadContent('pages/index', (err: BusinessError, data: void) => {
});
}
onWindowStageDestroy(): void {
// Main window is destroyed, release UI related resources
hilog.info(0x0000, 'testTag', '%{public}s', 'Ability onWindowStageDestroy');
}
InitImageKnife.init(this.context);
onForeground(): void {
// Ability has brought to foreground
hilog.info(0x0000, 'testTag', '%{public}s', 'Ability onForeground');
}
onBackground(): void {
// Ability has back to background
hilog.info(0x0000, 'testTag', '%{public}s', 'Ability onBackground');
let imageKnife: ImageKnife | undefined = ImageKnifeGlobal.getInstance().getImageKnife()
if (imageKnife != undefined) {
// 全局配置网络加载进度条
imageKnife
.setDefaultLifeCycle(ImageKnifeDrawFactory.createProgressLifeCycle("#10a5ff", 0.5))
// 全局配置缓存key
imageKnife.setEngineKeyImpl(new CustomEngineKeyImpl())
// 设置全局内存缓存大小张数
imageKnife.setLruCacheSize(100, 100 * 1204 * 1024)
// 全局配置请求头
imageKnife.addHeader('refer', "http://1.94.37.200:7070/AntiTheftChain/downloadImage");
imageKnife.deleteHeader('refer');
}
// 开启ImageKnife所有级别日志开关
LogUtil.mLogLevel = LogUtil.ALL
}
}

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@ -0,0 +1,104 @@
/*
* Copyright (C) 2021 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import {
ImageKnifeComponent,
ImageKnifeOption,
RotateImageTransformation,
RoundedCornersTransformation
} from '@ohos/libraryimageknife'
@Entry
@Component
struct CacheRuleChangedPage {
@State progresshint: string = "输出加载百分比回调信息"
@State imageKnifeOption1: ImageKnifeOption =
{
loadSrc: "https://thirdwx.qlogo.cn/mmopen/vi_32/DYAIOgq83ericA1Mv66TwicuYOtbDMBcUhv1aa9RJBeAn9uURfcZD0AUGrJebAn1g2AjN0vb2E1XTET7fTuLBNmA/132",
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
displayProgress: true
};
@State ImageKnifeOption: ImageKnifeOption =
{
loadSrc: "https://hbimg.huabanimg.com/0ef60041445edcfd6b38d20e19024b2cd9281dcc3525a4-Vy8fYO_fw658/format/webp",
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
displayProgress: true
};
@State imageKnifeOption3: ImageKnifeOption =
{
loadSrc: "https://hbimg.huabanimg.com/95a6d37a39aa0b70d48fa18dc7df8309e2e0e8e85571e-x4hhks_fw658/format/webp",
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
displayProgress: true
};
@State imageKnifeOption4: ImageKnifeOption =
{
loadSrc: "https://hbimg.huabanimg.com/cc6af25f8d782d3cf3122bef4e61571378271145735e9-vEVggB",
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
displayProgress: true,
};
@State imageKnifeOption5: ImageKnifeOption =
{
loadSrc: "https://hbimg.huabanimg.com/95a6d37a39aa0b70d48fa18dc7df8309e2e0e8e85571e-x4hhks_fw658/format/webp?mama=sdafsfasdfsdfsdaf&baba=sdfsafsafsd",
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
displayProgress: true,
};
build() {
Scroll() {
Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Text('下图默认加载网络图片不带?token=').margin({ top: 20 })
Button('点击加载网络图片?token=').margin({ top: 5 }).onClick(() => {
this.imageKnifeOption4 = {
loadSrc: "https://hbimg.huabanimg.com/cc6af25f8d782d3cf3122bef4e61571378271145735e9-vEVggB?token=fsdafsfsafsafsdaf111111",
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
displayProgress: true,
}
})
ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption4 })
.width(300)
.height(300)
Text('下图默认加载网络图片不带&token=').margin({ top: 20 })
Button('点击加载网络图片&token=').margin({ top: 5 }).onClick(() => {
this.imageKnifeOption5 = {
loadSrc: "https://hbimg.huabanimg.com/95a6d37a39aa0b70d48fa18dc7df8309e2e0e8e85571e-x4hhks_fw658/format/webp?mama=sdafsfasdfsdfsdaf&token=fsdafsfsafsafsdaf111111&baba=sdfsafsafsd",
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
displayProgress: true,
}
})
ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption5 })
.width(300)
.height(300)
}
}
.width('100%')
.height('100%')
}
}

View File

@ -1,214 +0,0 @@
/*
* Copyright (C) 2024 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the 'License');
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an 'AS IS' BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { DownsampleStrategy, ImageKnifeOption, } from '@ohos/imageknife';
import { ImageKnifeComponent } from '@ohos/libraryimageknife';
import { image } from '@kit.ImageKit';
import { BusinessError } from '@kit.BasicServicesKit';
import { Downsampler } from '@ohos/imageknife/src/main/ets/downsampling/Downsampler';
import { FileTypeUtil } from '@ohos/imageknife/src/main/ets/utils/FileTypeUtil';
@Entry
@ComponentV2
struct DownSamplePage {
@Local imageKnifeOption: ImageKnifeOption = new ImageKnifeOption({
loadSrc: $r('app.media.startIcon'),
placeholderSrc: $r("app.media.loading"),
errorholderSrc: $r("app.media.app_icon"),
objectFit: ImageFit.Contain
})
isBrightness: boolean = false
@Local beforeSampling: number = 0
@Local afterSampling: number = 0
@Local SamplingList: SamplingType[] = [
new SamplingType(7, "AT_LEAST"),
new SamplingType(1, "AT_MOST"),
new SamplingType(2, "FIT_CENTER_MEMORY"),
new SamplingType(4, "FIT_CENTER_QUALITY"),
new SamplingType(5, "CENTER_OUTSIDE_MEMORY"),
new SamplingType(6, "CENTER_OUTSIDE_QUALITY"),
new SamplingType(0, "NONE"),
]
@Local checked: boolean = false
updateImageKnifeOption(value: string) {
if (value === 'NONE') {
this.imageKnifeOption = new ImageKnifeOption({
loadSrc: $r('app.media.pngSample'),
placeholderSrc: $r("app.media.loading"),
errorholderSrc: $r("app.media.app_icon"),
objectFit: ImageFit.Contain,
downsampleOf: DownsampleStrategy.NONE
})
this.originalPixMap($r('app.media.pngSample'))
this.afterSamplingFunc($r('app.media.pngSample'))
} else if (value === 'AT_MOST') {
this.imageKnifeOption = new ImageKnifeOption({
loadSrc: $r('app.media.pngSample'),
placeholderSrc: $r("app.media.loading"),
errorholderSrc: $r("app.media.app_icon"),
objectFit: ImageFit.Contain,
downsampleOf: DownsampleStrategy.AT_MOST
})
this.originalPixMap($r('app.media.pngSample'))
this.afterSamplingFunc($r('app.media.pngSample'))
} else if (value === 'FIT_CENTER_MEMORY') {
this.imageKnifeOption = new ImageKnifeOption({
loadSrc: $r('app.media.pngSample'),
placeholderSrc: $r("app.media.loading"),
errorholderSrc: $r("app.media.app_icon"),
objectFit: ImageFit.Contain,
downsampleOf: DownsampleStrategy.FIT_CENTER_MEMORY
})
this.originalPixMap($r('app.media.pngSample'))
this.afterSamplingFunc($r('app.media.pngSample'))
} else if (value === 'FIT_CENTER_QUALITY') {
this.imageKnifeOption = new ImageKnifeOption({
loadSrc: $r('app.media.pngSample'),
placeholderSrc: $r("app.media.loading"),
errorholderSrc: $r("app.media.app_icon"),
objectFit: ImageFit.Contain,
downsampleOf: DownsampleStrategy.FIT_CENTER_QUALITY
})
this.originalPixMap($r('app.media.pngSample'))
this.afterSamplingFunc($r('app.media.pngSample'))
} else if (value === 'CENTER_OUTSIDE_MEMORY') {
this.imageKnifeOption = new ImageKnifeOption({
loadSrc: $r('app.media.pngSample'),
placeholderSrc: $r("app.media.loading"),
errorholderSrc: $r("app.media.app_icon"),
objectFit: ImageFit.Contain,
downsampleOf: DownsampleStrategy.CENTER_OUTSIDE_MEMORY
})
this.originalPixMap($r('app.media.pngSample'))
this.afterSamplingFunc($r('app.media.pngSample'))
} else if (value === 'CENTER_OUTSIDE_QUALITY') {
this.imageKnifeOption = new ImageKnifeOption({
loadSrc: $r('app.media.pngSample'),
placeholderSrc: $r("app.media.loading"),
errorholderSrc: $r("app.media.app_icon"),
objectFit: ImageFit.Contain,
downsampleOf: DownsampleStrategy.CENTER_OUTSIDE_QUALITY
})
this.originalPixMap($r('app.media.pngSample'))
this.afterSamplingFunc($r('app.media.pngSample'))
} else {
this.imageKnifeOption = new ImageKnifeOption({
loadSrc: $r('app.media.pngSample'),
placeholderSrc: $r("app.media.loading"),
errorholderSrc: $r("app.media.app_icon"),
objectFit: ImageFit.Contain,
downsampleOf: DownsampleStrategy.AT_LEAST
})
this.originalPixMap($r('app.media.pngSample'))
this.afterSamplingFunc($r('app.media.pngSample'))
}
}
async afterSamplingFunc(imgs: Resource) {
let img: Uint8Array = await getContext(this).resourceManager.getMediaContent(imgs);
let imageSource: image.ImageSource = image.createImageSource(img.buffer.slice(0));
let fileTypeUtil = new FileTypeUtil();
let typeValue = fileTypeUtil.getFileType(img.buffer.slice(0)) as string;
let decodingOptions: image.DecodingOptions = {
editable: true,
desiredPixelFormat: 3,
}
let imageInfo = await imageSource.getImageInfo()
if (this.imageKnifeOption.downsampleOf !== DownsampleStrategy.NONE){
let reqSize =
new Downsampler().calculateScaling(typeValue, imageInfo.size.width, imageInfo.size.height, 300,
300, this.imageKnifeOption.downsampleOf)
decodingOptions = {
editable: true,
desiredSize: {
width: reqSize.width,
height: reqSize.height
}
}
}
// 创建pixelMap
imageSource.createPixelMap(decodingOptions).then((pixelMap: image.PixelMap) => {
this.afterSampling = pixelMap.getPixelBytesNumber()
}).catch((err: BusinessError) => {
console.error("Failed to create PixelMap")
});
}
async originalPixMap(imgs: Resource,) {
let img: Uint8Array = await getContext(this).resourceManager.getMediaContent(imgs);
let imageSource: image.ImageSource = image.createImageSource(img.buffer.slice(0));
let decodingOptions: image.DecodingOptions = {
editable: true,
desiredPixelFormat: 3,
}
// 创建pixelMap
imageSource.createPixelMap(decodingOptions).then((pixelMap: image.PixelMap) => {
this.beforeSampling = pixelMap.getPixelBytesNumber()
}).catch((err: BusinessError) => {
console.error("Failed to create PixelMap")
});
}
getResourceString(res:Resource){
return getContext().resourceManager.getStringSync(res.id)
}
build() {
Scroll() {
Column() {
ForEach(this.SamplingList, (item: SamplingType, index) => {
Flex({ justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
Radio({ value: item.value + 'radio', group: 'radioGroup' })
.height(50)
.width(50)
.checked(this.checked)
.onClick(() => {
this.updateImageKnifeOption(item.value)
})
Text(this.getResourceString($r('app.string.Sampling_pecification'))+ item.value).fontSize(20)
}
}, (item: SamplingType) => JSON.stringify(item))
Column() {
Text(`${this.getResourceString($r('app.string.Unreal_samples'))}${this.beforeSampling}`).fontSize(20)
Text(`${ this.getResourceString($r('app.string.After_the_sampling'))}${this.afterSampling}`).fontSize(20)
}
ImageKnifeComponent({
imageKnifeOption: this.imageKnifeOption
})
.height(300)
.width(300)
.borderWidth(1)
.borderColor(Color.Pink)
}
}
.height('100%')
.width('100%')
}
}
class SamplingType {
key: number
value: string
constructor(key: number, value: string) {
this.key = key
this.value = value
}
}

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@ -1,93 +0,0 @@
/*
* Copyright (C) 2024 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the 'License');
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an 'AS IS' BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { AnimatorOption, ImageKnifeAnimatorComponent,ImageKnifeOption } from "@ohos/libraryimageknife"
@Entry
@ComponentV2
struct ImageAnimatorPage {
@Local animatorOption: AnimatorOption = new AnimatorOption({
state: AnimationStatus.Running,
iterations: -1,
onFinish:()=>{
console.log("ImageKnifeAnimatorComponent animatorOption onFinish")
},
onStart:()=>{
console.log("ImageKnifeAnimatorComponent animatorOption onStart")
},
onPause:()=>{
console.log("ImageKnifeAnimatorComponent animatorOption onPause")
},
onCancel:()=>{
console.log("ImageKnifeAnimatorComponent animatorOption onCancel")
},
onRepeat:()=>{
console.log("ImageKnifeAnimatorComponent animatorOption onRepeat")
}
})
@Local animatorOption1: AnimatorOption = new AnimatorOption({
state: AnimationStatus.Initial
})
@Local animatorOption2: AnimatorOption = new AnimatorOption({
state: AnimationStatus.Initial,
reverse: true
})
build() {
Column(){
Flex(){
Button($r('app.string.Play')).onClick(()=>{
this.animatorOption.state = AnimationStatus.Running
})
Button($r('app.string.Pause')).onClick(()=>{
this.animatorOption.state = AnimationStatus.Paused
})
Button($r('app.string.Stop')).onClick(()=>{
this.animatorOption.state = AnimationStatus.Stopped
})
Button($r('app.string.Infinite_loop')).onClick(()=>{
this.animatorOption.iterations = -1
})
Button($r('app.string.Play_once')).onClick(()=>{
this.animatorOption.iterations = 1
})
Button($r('app.string.Play_twice')).onClick(()=>{
this.animatorOption.iterations = 2
})
}
ImageKnifeAnimatorComponent({
imageKnifeOption:new ImageKnifeOption({
loadSrc:"https://gd-hbimg.huaban.com/e0a25a7cab0d7c2431978726971d61720732728a315ae-57EskW_fw658",
placeholderSrc:$r('app.media.loading'),
errorholderSrc:$r('app.media.failed')
}),animatorOption:this.animatorOption
}).width(200).height(200).backgroundColor(Color.Orange).margin({top:30})
Text($r('app.string.Display_the_first_frame')).fontSize(20)
ImageKnifeAnimatorComponent({
imageKnifeOption:new ImageKnifeOption({
loadSrc:"https://gd-hbimg.huaban.com/e0a25a7cab0d7c2431978726971d61720732728a315ae-57EskW_fw658",
placeholderSrc:$r('app.media.loading'),
errorholderSrc:$r('app.media.failed')
}),animatorOption:this.animatorOption1
}).width(200).height(200).backgroundColor(Color.Orange).margin({top:30})
Text($r('app.string.Display_the_last_frame')).fontSize(20)
ImageKnifeAnimatorComponent({
imageKnifeOption:new ImageKnifeOption({
loadSrc:"https://gd-hbimg.huaban.com/e0a25a7cab0d7c2431978726971d61720732728a315ae-57EskW_fw658",
placeholderSrc:$r('app.media.loading'),
errorholderSrc:$r('app.media.failed')
}),animatorOption:this.animatorOption2
}).width(200).height(200).backgroundColor(Color.Orange).margin({top:30})
}.width("100%").height("100%")
}
}

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@ -1,432 +0,0 @@
/*
* Copyright (C) 2024 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the 'License');
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an 'AS IS' BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import {
BlurTransformation,
BrightnessTransformation,
CropSquareTransformation,
CropTransformation,
GrayScaleTransformation,
ImageKnifeComponent,
ImageKnifeOption,
InvertTransformation,
KuwaharaTransformation,
MaskTransformation,
MultiTransTransformation,
PixelationTransformation,
PixelMapTransformation,
SepiaTransformation,
SketchTransformation,
SwirlTransformation,
ToonTransformation,
VignetterTransformation
} from '@ohos/libraryimageknife';
import { collections } from '@kit.ArkTS'
@Entry
@ComponentV2
struct ImageTransformation {
@Local imageKnifeOption: ImageKnifeOption = new ImageKnifeOption({
loadSrc: $r('app.media.pngSample'),
placeholderSrc: $r("app.media.loading"),
errorholderSrc: $r("app.media.app_icon"),
objectFit: ImageFit.Contain
})
@Local isRound: boolean = false;
@Local isContrast: boolean = false;
@Local isRotate: boolean = false;
isBlur: boolean = false
isBrightness: boolean = false
isGrayScale: boolean = false;
isInvert: boolean = false;
isToon: boolean = false;
isCropCircle: boolean = false;
isCropCircleWithBorder: boolean = false;
isKuwahara: boolean = false;
isPixelation: boolean = false;
isSketch: boolean = false;
isSwirl: boolean = false;
isVignetter: boolean = false;
isCropSquare: boolean = false;
isCropTop: boolean = false;
isCropCenter: boolean = false;
isCropBottom: boolean = false;
isMask: boolean = false;
isSepia: boolean = false;
build() {
Scroll() {
Column() {
Flex({ justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
Checkbox({ name: 'checkbox1', group: 'checkboxGroup' })
.selectedColor(0x39a2db)
.shape(CheckBoxShape.ROUNDED_SQUARE)
.onChange((value: boolean) => {
this.isBlur = value;
this.updateImageKnifeOption();
})
.width(30)
.height(30)
Text($r('app.string.Blur_effect')).fontSize(20)
}
Flex({ justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
Checkbox({ name: 'checkbox2', group: 'checkboxGroup' })
.selectedColor(0x39a2db)
.shape(CheckBoxShape.ROUNDED_SQUARE)
.onChange((value: boolean) => {
this.isBrightness = value;
this.updateImageKnifeOption();
})
.width(30)
.height(30)
Text($r('app.string.Highlighting_effect')).fontSize(20)
}
Flex({ justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
Checkbox({ name: 'checkbox3', group: 'checkboxGroup' })
.selectedColor(0x39a2db)
.shape(CheckBoxShape.ROUNDED_SQUARE)
.onChange((value: boolean) => {
this.isGrayScale = value;
this.updateImageKnifeOption();
})
.width(30)
.height(30)
Text($r('app.string.Ashing_effect')).fontSize(20)
}
Flex({ justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
Checkbox({ name: 'checkbox4', group: 'checkboxGroup' })
.selectedColor(0x39a2db)
.shape(CheckBoxShape.ROUNDED_SQUARE)
.onChange((value: boolean) => {
this.isInvert = value;
this.updateImageKnifeOption();
})
.width(30)
.height(30)
Text($r('app.string.Inverse_effect')).fontSize(20)
}
Flex({ justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
Checkbox({ name: 'checkbox5', group: 'checkboxGroup' })
.selectedColor(0x39a2db)
.shape(CheckBoxShape.ROUNDED_SQUARE)
.onChange((value: boolean) => {
this.isToon = value;
this.updateImageKnifeOption();
})
.width(30)
.height(30)
Text($r('app.string.Animation_filter_effect')).fontSize(20)
}
Flex({ justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
Checkbox({ name: 'checkbox6', group: 'checkboxGroup' })
.selectedColor(0x39a2db)
.shape(CheckBoxShape.ROUNDED_SQUARE)
.onChange((value: boolean) => {
this.isCropCircle = value;
this.updateImageKnifeOption();
})
.width(30)
.height(30)
Text($r('app.string.Crop_circular_effect')).fontSize(20)
}
Flex({ justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
Checkbox({ name: 'checkbox7', group: 'checkboxGroup' })
.selectedColor(0x39a2db)
.shape(CheckBoxShape.ROUNDED_SQUARE)
.onChange((value: boolean) => {
this.isCropCircleWithBorder = value;
this.updateImageKnifeOption();
})
.width(30)
.height(30)
Text($r('app.string.Crop_circular_with_border_effect')).fontSize(20)
}
Flex({ justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
Checkbox({ name: 'checkbox8', group: 'checkboxGroup' })
.selectedColor(0x39a2db)
.shape(CheckBoxShape.ROUNDED_SQUARE)
.onChange((value: boolean) => {
this.isContrast = value;
})
.width(30)
.height(30)
Text($r('app.string.Contrast_effect')).fontSize(20)
}
Flex({ justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
Checkbox({ name: 'checkbox9', group: 'checkboxGroup' })
.selectedColor(0x39a2db)
.shape(CheckBoxShape.ROUNDED_SQUARE)
.onChange((value: boolean) => {
this.isSepia = value;
this.updateImageKnifeOption();
})
.width(30)
.height(30)
Text($r('app.string.Black_ink_filtering_effect')).fontSize(20)
}
Flex({ justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
Checkbox({ name: 'checkbox10', group: 'checkboxGroup' })
.selectedColor(0x39a2db)
.shape(CheckBoxShape.ROUNDED_SQUARE)
.onChange((value: boolean) => {
this.isRotate = value;
})
.width(30)
.height(30)
Text($r('app.string.Rotate')).fontSize(20)
}
Flex({ justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
Checkbox({ name: 'checkbox11', group: 'checkboxGroup' })
.selectedColor(0x39a2db)
.shape(CheckBoxShape.ROUNDED_SQUARE)
.onChange((value: boolean) => {
this.isRound = value;
this.updateImageKnifeOption();
})
.width(30)
.height(30)
Text($r('app.string.Corners')).fontSize(20)
}
Flex({ justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
Checkbox({ name: 'checkbox12', group: 'checkboxGroup' })
.selectedColor(0x39a2db)
.shape(CheckBoxShape.ROUNDED_SQUARE)
.onChange((value: boolean) => {
this.isKuwahara = value;
this.updateImageKnifeOption();
})
.width(30)
.height(30)
Text($r('app.string.Kuwahara_Filter_effect')).fontSize(20)
}
Flex({ justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
Checkbox({ name: 'checkbox13', group: 'checkboxGroup' })
.selectedColor(0x39a2db)
.shape(CheckBoxShape.ROUNDED_SQUARE)
.onChange((value: boolean) => {
this.isPixelation = value;
this.updateImageKnifeOption();
})
.width(30)
.height(30)
Text($r('app.string.Pixelated_Filter_effect')).fontSize(20)
}
Flex({ justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
Checkbox({ name: 'checkbox14', group: 'checkboxGroup' })
.selectedColor(0x39a2db)
.shape(CheckBoxShape.ROUNDED_SQUARE)
.onChange((value: boolean) => {
this.isSketch = value;
this.updateImageKnifeOption();
})
.width(30)
.height(30)
Text($r('app.string.Sketch_Filter_effect')).fontSize(20)
}
Flex({ justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
Checkbox({ name: 'checkbox15', group: 'checkboxGroup' })
.selectedColor(0x39a2db)
.shape(CheckBoxShape.ROUNDED_SQUARE)
.onChange((value: boolean) => {
this.isSwirl = value;
this.updateImageKnifeOption();
})
.width(30)
.height(30)
Text($r('app.string.Distortion_Filter_effect')).fontSize(20)
}
Flex({ justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
Checkbox({ name: 'checkbox16', group: 'checkboxGroup' })
.selectedColor(0x39a2db)
.shape(CheckBoxShape.ROUNDED_SQUARE)
.onChange((value: boolean) => {
this.isVignetter = value;
this.updateImageKnifeOption();
})
.width(30)
.height(30)
Text($r('app.string.Decorative_Filter_effect')).fontSize(20)
}
Flex({ justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
Checkbox({ name: 'checkbox17', group: 'checkboxGroup' })
.selectedColor(0x39a2db)
.shape(CheckBoxShape.ROUNDED_SQUARE)
.onChange((value: boolean) => {
this.isCropSquare = value;
this.updateImageKnifeOption();
})
.width(30)
.height(30)
Text($r('app.string.Square_cutting_effect')).fontSize(20)
}
Flex({ justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
Checkbox({ name: 'checkbox18', group: 'checkboxGroup' })
.selectedColor(0x39a2db)
.shape(CheckBoxShape.ROUNDED_SQUARE)
.onChange((value: boolean) => {
this.isCropTop = value;
this.updateImageKnifeOption();
})
.width(30)
.height(30)
Text($r('app.string.Top_cutting_effect')).fontSize(20)
}
Flex({ justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
Checkbox({ name: 'checkbox19', group: 'checkboxGroup' })
.selectedColor(0x39a2db)
.shape(CheckBoxShape.ROUNDED_SQUARE)
.onChange((value: boolean) => {
this.isCropCenter = value;
this.updateImageKnifeOption();
})
.width(30)
.height(30)
Text($r('app.string.Middle_cutting_effect')).fontSize(20)
}
Flex({ justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
Checkbox({ name: 'checkbox20', group: 'checkboxGroup' })
.selectedColor(0x39a2db)
.shape(CheckBoxShape.ROUNDED_SQUARE)
.onChange((value: boolean) => {
this.isCropBottom = value;
this.updateImageKnifeOption();
})
.width(30)
.height(30)
Text($r('app.string.Bottom_cutting_effect')).fontSize(20)
}
Flex({ justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
Checkbox({ name: 'checkbox21', group: 'checkboxGroup' })
.selectedColor(0x39a2db)
.shape(CheckBoxShape.ROUNDED_SQUARE)
.onChange((value: boolean) => {
this.isMask = value;
this.updateImageKnifeOption();
})
.width(30)
.height(30)
Text($r('app.string.Mask_effect')).fontSize(20)
}
if (this.isContrast) {
ImageKnifeComponent({
imageKnifeOption: this.imageKnifeOption
})
.width(300)
.height(300)
.rotate({ angle: this.isRotate ? 90 : 0 })
.contrast(12)
.backgroundColor(Color.Pink)
} else {
ImageKnifeComponent({
imageKnifeOption: this.imageKnifeOption
}).width(300)
.height(300)
.rotate({ angle: this.isRotate ? 90 : 0 })
.backgroundColor(Color.Pink)
}
}
}
.height('100%')
.width('100%')
}
updateImageKnifeOption() {
let transformations: collections.Array<PixelMapTransformation> = new collections.Array<PixelMapTransformation>()
if (this.isBlur) {
transformations.push(new BlurTransformation(5));
}
if (this.isBrightness) {
transformations.push(new BrightnessTransformation(0.2));
}
if (this.isGrayScale) {
transformations.push(new GrayScaleTransformation());
}
if (this.isInvert) {
transformations.push(new InvertTransformation());
}
if (this.isToon) {
transformations.push(new ToonTransformation(0.3, 10.0));
}
if (this.isKuwahara) {
transformations.push(new KuwaharaTransformation(10));
}
if (this.isPixelation) {
transformations.push(new PixelationTransformation(5.0));
}
if (this.isSketch) {
transformations.push(new SketchTransformation());
}
if (this.isSwirl) {
transformations.push(new SwirlTransformation(200, 1.0, [0.5, 0.5]));
}
if (this.isVignetter) {
transformations.push(new VignetterTransformation([0.5, 0.5], [0.0, 0.0, 0.0], [0.3, 0.75]));
}
if (this.isCropSquare) {
transformations.push(new CropSquareTransformation());
}
if (this.isCropTop) {
transformations.push(new CropTransformation(25, 25, 0));
}
if (this.isCropCenter) {
transformations.push(new CropTransformation(25, 25, 1));
}
if (this.isCropBottom) {
transformations.push(new CropTransformation(25, 25, 2));
}
if (this.isSepia) {
transformations.push(new SepiaTransformation());
}
if (this.isMask) {
transformations.push(new MaskTransformation($r('app.media.mask_starfish')));
}
this.imageKnifeOption = new ImageKnifeOption({
loadSrc: $r('app.media.pngSample'),
placeholderSrc: $r("app.media.loading"),
errorholderSrc: $r("app.media.app_icon"),
objectFit: ImageFit.Contain,
border: { radius: this.isRound ? { topLeft: 50, bottomRight: 50 } : 0 },
transformation: transformations.length > 0 ? new MultiTransTransformation(transformations) : undefined
})
if (this.isCropCircle) {
this.imageKnifeOption.objectFit = ImageFit.Cover;
this.imageKnifeOption.border = { radius: 150 };
}
if (this.isCropCircleWithBorder) {
this.imageKnifeOption.objectFit = ImageFit.Cover;
this.imageKnifeOption.border = { radius: 150, color: Color.Red, width: 5 };
}
}
}

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@ -1,186 +0,0 @@
/*
* Copyright (C) 2024 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the 'License');
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an 'AS IS' BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import router from '@system.router';
@Entry
@ComponentV2
struct Index {
getResourceString(res: Resource) {
return getContext().resourceManager.getStringSync(res.id)
}
aboutToAppear(): void {
}
build() {
Scroll() {
Column() {
Button($r('app.string.Test_ImageAnimator')).onClick(() => {
router.push({
uri: 'pages/ImageAnimatorPage',
});
})
Button($r('app.string.Test_multiple_images')).margin({ top: 10 }).onClick(() => {
router.push({
uri: 'pages/TestCommonImage',
});
})
Button(this.getResourceString($r('app.string.Multiple_images')) + " + reuse + LazyForeach")
.margin({ top: 10 })
.onClick(() => {
router.push({
uri: 'pages/UserPage',
});
})
Button($r('app.string.Test_SingleImage')).margin({ top: 10 }).onClick(() => {
router.push({
uri: 'pages/SingleImage',
});
})
Button($r('app.string.Image_Downsampling_Functionality')).margin({top:10}).onClick(()=>{
router.push({
uri: 'pages/DownSamplePage',
});
})
Button($r('app.string.Display_long_image')).margin({ top: 10 }).onClick(() => {
router.push({
uri: 'pages/LongImagePage',
});
})
Button($r('app.string.Image_Transformation')).margin({ top: 10 }).onClick(() => {
router.push({
uri: 'pages/ImageTransformation',
});
})
Button($r('app.string.Test_media_URL')).margin({ top: 10 }).onClick(() => {
router.push({
uri: 'pages/dataShareUriLoadPage',
});
})
Button($r('app.string.Different_ObjectFit')).margin({ top: 10 }).onClick(() => {
router.push({
uri: 'pages/ObjectFitPage',
});
})
Button($r('app.string.Custom_cache_key')).margin({ top: 10 }).onClick(() => {
router.push({
uri: 'pages/SignatureTestPage',
});
})
Button($r('app.string.Test_image_loading_success_or_failure_events')).margin({ top: 10 }).onClick(() => {
router.push({
uri: 'pages/LoadStatePage',
})
})
Button($r('app.string.Image_scaling')).margin({ top: 10 }).onClick(() => {
router.push({
uri: 'pages/TransformPage',
});
})
Button($r('app.string.Test_HSP')).margin({ top: 10 }).onClick(() => {
router.push({
uri: 'pages/TestHspPreLoadImage',
});
})
Button($r('app.string.Test_custom_download')).margin({ top: 10 }).onClick(() => {
router.push({
uri: 'pages/TestSetCustomImagePage',
});
})
Button(this.getResourceString($r('app.string.Message_list')) + " + List").margin({ top: 10 }).onClick(() => {
router.push({
uri: 'pages/TestImageFlash',
});
})
Button($r('app.string.Preloading_images_to_cache')).margin({ top: 10 }).onClick(() => {
router.push({
uri: 'pages/TestPrefetchToFileCache',
});
})
Button($r('app.string.Retrieve_image_display_from_cache')).margin({ top: 10 }).onClick(() => {
router.push({
uri: 'pages/TestIsUrlExist',
});
})
Button($r('app.string.Test_single_request_header')).margin({ top: 10 }).onClick(() => {
router.push({
uri: 'pages/TestHeader',
});
})
Button($r('app.string.Test_write_cache_strategy')).margin({ top: 10 }).onClick(() => {
router.push({
uri: 'pages/TestWriteCacheStage',
});
})
Button($r('app.string.Test_removing_image_cache_interface')).margin({ top: 10 }).onClick(() => {
router.push({
uri: 'pages/TestRemoveCache',
});
})
Button($r('app.string.Test_error_image_display')).margin({ top: 10 }).onClick(() => {
router.push({
uri: 'pages/TestErrorHolderPage',
});
})
Button($r('app.string.Test_Task_error')).margin({ top: 10 }).onClick(() => {
router.push({
uri: 'pages/TestTaskResourcePage',
});
})
Button($r('app.string.test_cache_btn')).margin({ top: 10 }).onClick(() => {
router.push({
uri: 'pages/TestCacheDataPage',
});
})
Button($r('app.string.test_change_color_btn')).margin({ top: 10 }).onClick(() => {
router.push({
uri: 'pages/TestChangeColorPage',
});
})
Button($r('app.string.test_cancel_callback_btn')).margin({ top: 10 }).onClick(() => {
router.push({
uri: 'pages/TestLoadCancelListenerPage',
});
})
}
}.width('100%')
.height('100%')
}
}

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@ -1,42 +0,0 @@
/*
* Copyright (C) 2024 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the 'License');
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an 'AS IS' BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { ImageKnifeComponent, ImageKnifeOption } from '@ohos/libraryimageknife';
@Entry
@ComponentV2
struct ListPage {
private data: string[] = []
@Local ImageKnifeOption: ImageKnifeOption = new ImageKnifeOption({ loadSrc: $r('app.media.startIcon')})
aboutToAppear(): void {
for (let i = 0; i < 1000; i++) {
this.data.push(i.toString())
}
}
build() {
Row() {
List({ space: 10 }) {
ForEach(this.data, (item: string) => {
ImageKnifeComponent({ imageKnifeOption: this.ImageKnifeOption }).height(200).width(200)
}, (item: string) => item)
}
.width('100%')
}
.height('100%')
}
}

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@ -1,116 +0,0 @@
/*
* Copyright (C) 2024 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the 'License');
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an 'AS IS' BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { ImageKnifeComponent, ImageKnifeOption } from "@ohos/libraryimageknife"
import matrix4 from '@ohos.matrix4'
@Entry
@ComponentV2
struct LoadStatePage {
starTime:number = new Date().getTime()
@Local ImageKnifeOption: ImageKnifeOption = new ImageKnifeOption({
loadSrc: $r("app.media.rabbit"),
placeholderSrc: $r("app.media.loading"),
errorholderSrc: $r("app.media.app_icon"),
objectFit: ImageFit.Contain,
onLoadListener: {
onLoadFailed: (err) => {
console.error("Load Failed Reason: " + err);
},
onLoadSuccess: (data) => {
return data;
},
},
border: { radius: 50 }
})
@Local imageKnifeOption1: ImageKnifeOption = new ImageKnifeOption({
loadSrc: $r('app.media.startIcon')
})
@Local message: string = ""
@Local currentWidth: number = 200
@Local currentHeight: number = 200
@Local typeValue: string = ""
build() {
Column() {
Text($r('app.string.TIPS'))
.margin({ top: 20 })
Row() {
Button($r('app.string.Test_failure_success'))
.onClick(() => {
this.ImageKnifeOption = new ImageKnifeOption({
loadSrc: "https://www.openharmony.cn/_nuxt/img/logo.dcf95b3.png",
placeholderSrc: $r("app.media.loading"),
errorholderSrc: $r("app.media.app_icon"),
objectFit: ImageFit.Contain,
onLoadListener: {
onLoadStart:()=>{
this.starTime = new Date().getTime()
console.info("Load start: ");
},
onLoadFailed: (err) => {
console.error("Load Failed Reason: " + err + " cost " + (new Date().getTime() - this.starTime) + " milliseconds");
},
onLoadSuccess: (data,imageData) => {
console.info("Load Successful: cost " + (new Date().getTime() - this.starTime) + " milliseconds");
this.currentWidth = imageData.imageWidth!
this.currentHeight = imageData.imageHeight!
this.typeValue = imageData.type!
return data;
},
},
border: { radius: 50 },
onComplete:(event)=>{
console.error("Load onComplete width:"+event?.width , " height:"+event?.height , " componentWidth:"+event?.componentWidth," componentHeight:" + event?.componentHeight);
}
})
})
}
.margin({ top: 20 })
Text($r('app.string.image_format',this.typeValue))
Text($r('app.string.image_width',this.currentWidth))
Text($r('app.string.image_height',this.currentHeight))
ImageKnifeComponent({ imageKnifeOption: this.ImageKnifeOption }).height(this.currentHeight).width(this.currentWidth)
.margin({ top: 20 })
Button($r('app.string.Custom_download_failed')).onClick(()=>{
this.imageKnifeOption1 = new ImageKnifeOption({
loadSrc: "abc",
placeholderSrc:$r('app.media.loading'),
errorholderSrc:$r('app.media.failed'),
customGetImage:custom,
onLoadListener: {
onLoadFailed:(err)=>{
this.message = "err:" + err
}
}
})
}).margin({ top: 20 })
Text(this.message).fontSize(20).margin({ top: 20 })
ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption1 }).height(this.currentHeight).width(this.currentWidth)
.margin({ top: 20 })
}
.width('100%')
.height('100%')
}
}
// 自定义下载方法
@Concurrent
async function custom(context: Context, src: string | PixelMap | Resource): Promise<ArrayBuffer | undefined> {
console.info("ImageKnife:: custom download" + src)
// 举例写死从本地文件读取,也可以自己请求网络图片
return undefined
}

View File

@ -1,39 +0,0 @@
/*
* Copyright (C) 2024 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the 'License');
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an 'AS IS' BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { ImageKnifeComponent,ImageKnifeOption } from '@ohos/libraryimageknife'
@Entry
@ComponentV2
struct LongImagePage {
build() {
Scroll() {
// Image("https://wx2.sinaimg.cn/mw690/006HyQKGgy1hnqp08dw09j30u04twu0x.jpg").objectFit(ImageFit.Auto).height(300)
// Image($r("app.media.aaa")).objectFit(ImageFit.Auto).width(200)
ImageKnifeComponent({
imageKnifeOption: new ImageKnifeOption({
loadSrc:"https://wx2.sinaimg.cn/mw690/006HyQKGgy1hnqp08dw09j30u04twu0x.jpg",
//src:$r("app.media.aaa"),
placeholderSrc: $r("app.media.loading"),
errorholderSrc: $r("app.media.failed"),
objectFit: ImageFit.Auto
})
})
}
.height('100%') .width('100%')
}
}

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@ -1,71 +0,0 @@
/*
* Copyright (C) 2024 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the 'License');
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an 'AS IS' BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { ImageKnife, ImageKnifeComponent, ImageKnifeOption } from '@ohos/libraryimageknife'
@Entry
@ComponentV2
struct ObjectFitPage {
@Local imageKnifeOption: ImageKnifeOption = new ImageKnifeOption({
loadSrc: $r("app.media.app_icon"),
placeholderSrc: $r("app.media.loading"),
errorholderSrc: $r("app.media.app_icon"),
objectFit: ImageFit.Fill
})
build() {
Column() {
Button($r('app.string.Main_image_Fill')).onClick(()=>{
this.imageKnifeOption = new ImageKnifeOption({
loadSrc: $r("app.media.app_icon"),
placeholderSrc: $r("app.media.loading"),
errorholderSrc: $r("app.media.app_icon"),
objectFit: ImageFit.Fill
})
})
Button($r('app.string.Maintain_proportion_filling')).margin({top:10}).onClick(async () => {
ImageKnife.getInstance().removeAllMemoryCache()
await ImageKnife.getInstance().removeAllFileCache()
this.imageKnifeOption = new ImageKnifeOption({
loadSrc: "https://wx2.sinaimg.cn/mw690/006HyQKGgy1hnqp08dw09j30u04twu0x.jpg",
placeholderSrc: $r("app.media.app_icon"),
errorholderSrc: $r("app.media.app_icon"),
objectFit: ImageFit.Fill,
placeholderObjectFit: ImageFit.Contain
})
})
Button($r('app.string.Error_graph_None')).margin({top:10}).onClick(() => {
this.imageKnifeOption = new ImageKnifeOption({
loadSrc: "http://xxxxx",
placeholderSrc: $r("app.media.loading"),
errorholderSrc: $r("app.media.app_icon"),
objectFit: ImageFit.Fill,
errorholderObjectFit: ImageFit.None
})
})
ImageKnifeComponent({
imageKnifeOption: this.imageKnifeOption
}).width(300).height(200).border({width:1}).margin({top:50})
}
.height('100%')
.width('100%')
}
}

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@ -0,0 +1,79 @@
/*
* Copyright (C) 2022 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { ImageKnifeComponent, ImageKnifeOption,NONE,DiskStrategy } from '@ohos/libraryimageknife'
@Entry
@Component
struct OptionTestPage {
@State imageKnifeOption1: ImageKnifeOption =
{
loadSrc: $r('app.media.icon'),
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
};
@State imageKnifeOption2: ImageKnifeOption =
{
loadSrc: $r('app.media.icon'),
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed')
};
build() {
Scroll() {
Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Text("示例加载图片不进行缓存").fontSize(15)
Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Button("加载")
.onClick(() => {
let setting:DiskStrategy = new NONE();
this.imageKnifeOption1 = {
loadSrc: 'https://img-blog.csdn.net/20140514114029140',
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
onlyRetrieveFromCache: false,
isCacheable: false,
strategy: setting
}
}).margin({ top: 5, left: 3 })
ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption1 }).width(300).height(300)
}.width('100%').backgroundColor(Color.Pink)
Text("示例:加载图片进行缓存").fontSize(15)
Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Button("加载")
.onClick(() => {
let setting2:DiskStrategy = new NONE();
this.imageKnifeOption2 = {
loadSrc: 'https://img-blog.csdn.net/20140514114029140',
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
onlyRetrieveFromCache: true,
isCacheable: true,
strategy: setting2
}
}).margin({ top: 5, left: 3 })
ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption2 }).width(300).height(300)
}.width('100%').backgroundColor(Color.Pink)
}
}.width('100%')
.height('100%')
}
}

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@ -0,0 +1,109 @@
/*
* Copyright (C) 2024 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import image from '@ohos.multimedia.image'
import {
ImageKnifeData,
RequestOption,
Size,
ImageKnife,
ImageKnifeGlobal,
ImageKnifeComponent,
ObjectKey
} from '@ohos/libraryimageknife'
import { BusinessError } from '@ohos.base'
const TAG = "TEST-"
let timeId = -1
@Entry
@Component
struct RequestOptionLoadImage {
@State pixelMap: PixelMap | undefined = undefined
load(src: string | image.PixelMap | Resource) {
clearTimeout(timeId)
let request = new RequestOption()
//*requestOption调用*
request.addHeader('refer', 'http://1.94.37.200:7070/AntiTheftChain/downloadImage');
//通过时间戳去清除缓存
request.signature = new ObjectKey(new Date().getTime().toString())
request.load(src)
.addListener({ callback: (err: BusinessError | string, data: ImageKnifeData) => {
if (data.isPixelMap()) {
if (data.drawPixelMap) {
let pixelmap = data.drawPixelMap.imagePixelMap
if (pixelmap) {
this.pixelMap = pixelmap
}
}
}
if (data.isGIFFrame()) {
let index: number = 0
if (data.drawGIFFrame) {
if (data.drawGIFFrame.imageGIFFrames) {
let renderGif = () => {
if (data.drawGIFFrame) {
if (data.drawGIFFrame.imageGIFFrames) {
let pixelmap = data.drawGIFFrame.imageGIFFrames[index].drawPixelMap
let delay = data.drawGIFFrame.imageGIFFrames[index].delay
if (pixelmap) {
this.pixelMap = pixelmap
}
index++;
if (index == data.drawGIFFrame.imageGIFFrames.length - 1) {
index = 0
}
timeId = setTimeout(renderGif, data!.drawGIFFrame!.imageGIFFrames![index].delay)
}
}
}
renderGif()
}
}
}
if (err) {
console.log(TAG + "error:" + JSON.stringify(err));
}
return false
}
})
let compSize: Size = {
width: 300,
height: 300
}
request.setImageViewSize(compSize)
let imageknife: ImageKnife | undefined = ImageKnifeGlobal.getInstance().getImageKnife()
if (imageknife != undefined) {
imageknife.call(request)
}
}
build() {
Scroll() {
Column() {
Text("RequestOption加载图片").fontSize(25)
Button("加载网络gif").onClick(() => {
this.load("https://gd-hbimg.huaban.com/e0a25a7cab0d7c2431978726971d61720732728a315ae-57EskW_fw658")
})
Button("加载静态图").onClick(() => {
this.load($r('app.media.pngSample'))
})
ImageKnifeComponent({ imageKnifeOption: {
loadSrc: this.pixelMap as image.PixelMap
} }).width(300).height(300).borderWidth(3)
}
}
}
}

View File

@ -1,5 +1,5 @@
/*
* Copyright (C) 2024 Huawei Device Co., Ltd.
* Copyright (C) 2021 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
@ -12,49 +12,54 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { ImageKnifeComponent, ImageKnifeOption } from '@ohos/libraryimageknife';
import { ImageKnifeComponent, ImageKnifeOption, NONE, DiskStrategy } from '@ohos/libraryimageknife'
import { ObjectKey } from '@ohos/libraryimageknife';
@Entry
@ComponentV2
@Component
struct SignatureTestPage {
@Local imageKnifeOption1: ImageKnifeOption =new ImageKnifeOption(
@State imageKnifeOption1: ImageKnifeOption =
{
loadSrc: $r('app.media.icon'),
placeholderSrc:$r("app.media.loading"),
});
@Local imageKnifeOption2: ImageKnifeOption =new ImageKnifeOption(
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
};
@State imageKnifeOption2: ImageKnifeOption =
{
loadSrc: $r('app.media.icon'),
placeholderSrc:$r("app.media.loading"),
});
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed')
};
build() {
Scroll() {
Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Text($r('app.string.The_key_fixed_1')).fontSize(15)
Text("Signature固定为 1").fontSize(15)
Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Button($r('app.string.Load'))
Button("加载")
.onClick(() => {
this.imageKnifeOption1 = new ImageKnifeOption({
this.imageKnifeOption1 = {
loadSrc: 'https://img-blog.csdn.net/20140514114029140',
placeholderSrc:$r("app.media.loading"),
signature: "1"
})
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
signature: new ObjectKey("1")
}
}).margin({ top: 5, left: 3 })
ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption1 }).width(300).height(300)
}.width('100%').backgroundColor(Color.Pink)
Text($r('app.string.The_key_changes_timestamp')).fontSize(15)
Text("设置Signature每次为时间戳").fontSize(15)
Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Button($r('app.string.Load'))
Button("加载")
.onClick(() => {
this.imageKnifeOption2 = new ImageKnifeOption({
this.imageKnifeOption2 = {
loadSrc: 'https://img-blog.csdn.net/20140514114029140',
placeholderSrc:$r("app.media.loading"),
signature: new Date().getTime().toString()
})
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
signature: new ObjectKey(new Date().getTime().toString())
}
}).margin({ top: 5, left: 3 })
ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption2 }).width(300).height(300)
}.width('100%').backgroundColor(Color.Pink)
@ -66,7 +71,7 @@ struct SignatureTestPage {
}
aboutToAppear() {
console.log("唯一标识页面:" + new Date().getTime().toString())
console.log("唯一标识页面:" + new ObjectKey(new Date().getTime().toString()).getKey())
}
}

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@ -1,132 +0,0 @@
/*
* Copyright (C) 2024 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the 'License');
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an 'AS IS' BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { ImageKnifeComponent,BlurTransformation,ImageKnifeOption } from '@ohos/libraryimageknife';
import fs from '@ohos.file.fs';
import image from '@ohos.multimedia.image';
import { common2D, drawing } from '@kit.ArkGraphics2D';
@Entry
@ComponentV2
struct SingleImage {
resource: string = "app.media.svgSample"
scroller: Scroller = new Scroller;
localFile: string = getContext(this).filesDir + "/icon.png"
@Local pixelMap:PixelMap | undefined = undefined;
@Local DrawingColorFilter: ColorFilter | undefined = undefined
private color: common2D.Color = { alpha: 255, red: 255, green: 0, blue: 0 };
aboutToAppear(): void {
// 拷贝本地文件
let icon: Uint8Array = getContext(this).resourceManager.getMediaContentSync($r("app.media.startIcon"));
let file = fs.openSync(this.localFile, fs.OpenMode.CREATE | fs.OpenMode.READ_WRITE);
fs.writeSync(file.fd, icon.buffer);
fs.fsyncSync(file.fd);
fs.closeSync(file);
this.changePic(getContext().resourceManager.getMediaContentSync( $r("app.media.aaa"))
.buffer as ArrayBuffer);
}
build() {
Scroll(this.scroller) {
Column() {
Text($r('app.string.Local_SVG'))
.fontSize(30)
.fontWeight(FontWeight.Bold)
ImageKnifeComponent({
imageKnifeOption: new ImageKnifeOption({
loadSrc: $r("app.media.svgSample"),
placeholderSrc: $r("app.media.loading"),
errorholderSrc: $r("app.media.failed"),
objectFit: ImageFit.Contain
})
}).width(100).height(100)
.onClick(()=>{
this.DrawingColorFilter = drawing.ColorFilter.createBlendModeColorFilter(this.color, drawing.BlendMode.SRC_IN);
})
Text($r('app.string.Under_context_file'))
.fontSize(30)
.fontWeight(FontWeight.Bold)
ImageKnifeComponent({
imageKnifeOption: new ImageKnifeOption({
loadSrc: this.localFile,
placeholderSrc: $r("app.media.loading"),
errorholderSrc: $r("app.media.failed"),
objectFit: ImageFit.Contain
})
}).width(100).height(100)
Text($r('app.string.Network_images'))
.fontSize(30)
.fontWeight(FontWeight.Bold)
ImageKnifeComponent({
imageKnifeOption: new ImageKnifeOption({
loadSrc:"https://www.openharmony.cn/_nuxt/img/logo.dcf95b3.png",
placeholderSrc: $r("app.media.loading"),
errorholderSrc: $r("app.media.failed"),
objectFit: ImageFit.Contain,
progressListener:(progress:number)=>{console.info("ImageKnife:: call back progress = " + progress)}
})
}).width(100).height(100)
Text($r('app.string.Custom_network_download'))
.fontSize(30)
.fontWeight(FontWeight.Bold)
ImageKnifeComponent({
imageKnifeOption: new ImageKnifeOption({
loadSrc: "https://file.atomgit.com/uploads/user/1704857786989_8994.jpeg",
placeholderSrc: $r("app.media.loading"),
errorholderSrc: $r("app.media.failed"),
objectFit: ImageFit.Contain,
customGetImage: custom,
transformation: new BlurTransformation(10)
})
}).width(100).height(100)
Text($r('app.string.PixelMap_loads_images'))
.fontSize(30)
.fontWeight(FontWeight.Bold)
ImageKnifeComponent({
imageKnifeOption: new ImageKnifeOption({
loadSrc: this.pixelMap!,
placeholderSrc: $r("app.media.loading"),
errorholderSrc: $r("app.media.failed"),
objectFit: ImageFit.Contain,
})
}).width(100).height(100)
}
.width('100%')
}
.height('100%')
}
changePic(buffer: ArrayBuffer){
let imageSource: image.ImageSource = image.createImageSource(buffer);
if (imageSource) {
let decodingOptions: image.DecodingOptions = {
editable: true,
}
imageSource.createPixelMap(decodingOptions,(err,pixelMap)=>{
this.pixelMap = pixelMap;
})
}
}
}
// 自定义下载方法
@Concurrent
async function custom(context: Context, src: string | PixelMap | Resource): Promise<ArrayBuffer | undefined> {
console.info("ImageKnife:: custom download" + src)
// 举例写死从本地文件读取,也可以自己请求网络图片
return context.resourceManager.getMediaContentSync($r("app.media.startIcon").id).buffer as ArrayBuffer
}

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/*
* Copyright (C) 2024 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the 'License');
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an 'AS IS' BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { ImageKnife, CacheStrategy, ImageKnifeComponent, ImageKnifeOption } from '@ohos/imageknife';
@Entry
@ComponentV2
struct TestCacheDataPage {
@Local cacheUpLimit: number = 0;
@Local currentNum: number = 0;
@Local currentSize: number = 0;
@Local currentWidth: number = 200
@Local currentHeight: number = 200
@Local markersLimitText: string = getContext(this).resourceManager.getStringSync($r('app.string.memory'))
@Local markersNumText: string = getContext(this).resourceManager.getStringSync($r('app.string.memory'))
@Local markersSizeText: string = getContext(this).resourceManager.getStringSync($r('app.string.memory'))
@Local ImageKnifeOption: ImageKnifeOption = new ImageKnifeOption({
loadSrc: "",
objectFit: ImageFit.Contain,
onLoadListener: {
onLoadFailed: (err) => {
console.error("Load Failed Reason: " + err);
},
onLoadSuccess: (data) => {
return data;
},
},
border: { radius: 50 }
})
aboutToAppear(): void {
ImageKnife.getInstance().initFileCache(getContext(this), 256, 256 * 1024 * 1024, "ImageKnifeCache1")
}
build() {
Column() {
ImageKnifeComponent(
{ imageKnifeOption: this.ImageKnifeOption })
.height(this.currentHeight)
.width(this.currentWidth)
.margin({ top: 10 })
Button($r('app.string.load_memory'))
.onClick(() => {
this.ImageKnifeOption = new ImageKnifeOption({
loadSrc: "https://contentcenter-drcn.dbankcdn.cn/pub_1/DevEcoSpace_1_900_9/3e/v3/LqRoLI-PRSu9Nqa8KdJ-pQ/dSqskBpSR9eraAMn7NBdqA.jpg",
objectFit: ImageFit.Contain,
writeCacheStrategy: CacheStrategy.Memory,
border: { radius: 50 },
})
})
Button($r('app.string.load_disk'))
.onClick(() => {
this.ImageKnifeOption = new ImageKnifeOption({
loadSrc: "https://contentcenter-drcn.dbankcdn.cn/pub_1/DevEcoSpace_1_900_9/56/v3/8MdhfSsCSMKj4sA6okUWrg/5uBx56tLTUO3RYQl-E5JiQ.jpg",
objectFit: ImageFit.Contain,
writeCacheStrategy: CacheStrategy.File,
border: { radius: 50 },
})
})
Text($r('app.string.cur_cache_limit', this.markersLimitText, this.cacheUpLimit))
.fontSize(20)
.margin({ bottom: 8 });
Text($r('app.string.cur_cache_image_num', this.markersNumText, this.currentNum))
.fontSize(20)
.margin({ bottom: 8 });
Text($r('app.string.cur_cache_size', this.markersSizeText, this.currentSize)).fontSize(20).margin({ bottom: 20 });
Button($r('app.string.get_cur_memory_limit')).onClick(() => {
let result = ImageKnife.getInstance().getCacheUpperLimit(CacheStrategy.Memory);
this.markersLimitText = getContext(this).resourceManager.getStringSync($r('app.string.memory'))
if (result) {
this.cacheUpLimit = result / (1024 * 1024);
} else {
this.cacheUpLimit = 0;
}
}).margin({ bottom: 8 });
Button($r('app.string.get_img_number_of_cache')).onClick(() => {
let result = ImageKnife.getInstance().getCurrentPicturesNum(CacheStrategy.Memory);
this.markersNumText = getContext(this).resourceManager.getStringSync($r('app.string.memory'))
if (result) {
this.currentNum = result;
} else {
this.currentNum = 0;
}
}).margin({ bottom: 8 });
Button($r('app.string.get_cur_memory_size')).onClick(() => {
let result = ImageKnife.getInstance().getCurrentCacheSize(CacheStrategy.Memory);
this.markersSizeText = getContext(this).resourceManager.getStringSync($r('app.string.memory'))
if (result) {
this.currentSize = result / (1024 * 1024);
} else {
this.currentSize = 0;
}
}).margin({ bottom: 8 });
Button($r('app.string.get_cur_disk_limit')).onClick(() => {
let result = ImageKnife.getInstance().getCacheUpperLimit(CacheStrategy.File);
this.markersLimitText = getContext(this).resourceManager.getStringSync($r('app.string.disk'))
if (result) {
this.cacheUpLimit = result / (1024 * 1024);
} else {
this.cacheUpLimit = 0;
}
}).margin({ bottom: 8 });
Button($r('app.string.get_img_number_of_disk')).onClick(() => {
let result = ImageKnife.getInstance().getCurrentPicturesNum(CacheStrategy.File);
this.markersNumText = getContext(this).resourceManager.getStringSync($r('app.string.disk'))
if (result) {
this.currentNum = result;
} else {
this.currentNum = 0;
}
}).margin({ bottom: 8 });
Button($r('app.string.get_cur_disk_size')).onClick(() => {
let result = ImageKnife.getInstance().getCurrentCacheSize(CacheStrategy.File);
this.markersSizeText = getContext(this).resourceManager.getStringSync($r('app.string.disk'))
if (result) {
this.currentSize = result / (1024 * 1024);
} else {
this.currentSize = 0;
}
}).margin({ bottom: 8 });
}
.height('100%').width('100%').margin({ top: 50 })
}
}

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/*
* Copyright (C) 2024 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the 'License');
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an 'AS IS' BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { drawing, common2D } from '@kit.ArkGraphics2D';
import { ImageKnifeComponent, ImageKnifeOption } from '@ohos/imageknife';
@Entry
@Component
struct TestChangeColorPage {
private imageOne: Resource = $r('app.media.ic_test_change_color_png');
private imageTwo: Resource = $r('app.media.ic_test_change_color_png');
@State src: Resource = this.imageOne
@State src2: Resource = this.imageTwo
@State color: common2D.Color = {
alpha: 255,
red: 255,
green: 1,
blue: 1
};
@State DrawingColorFilterFirst: ColorFilter | undefined = undefined
build() {
Column() {
Text($r('app.string.select_color_btn')).margin({ top: 20 })
Row() {
Button($r('app.string.red')).backgroundColor(Color.Red).margin(5).onClick(() => {
this.color = {
alpha: 255,
red: 255,
green: 1,
blue: 1
};
})
Button($r('app.string.yellow')).backgroundColor(Color.Yellow).margin(5).onClick(() => {
this.color = {
alpha: 255,
red: 255,
green: 255,
blue: 1
};
})
Button($r('app.string.green')).backgroundColor(Color.Green).margin(5).onClick(() => {
this.color = {
alpha: 255,
red: 1,
green: 255,
blue: 1
};
})
Button($r('app.string.blue')).backgroundColor(Color.Blue).margin(5).onClick(() => {
this.color = {
alpha: 255,
red: 1,
green: 1,
blue: 255
};
})
}
.width('100%')
.height(50)
.justifyContent(FlexAlign.Center)
Text($r('app.string.master_image')).margin({ top: 20 })
ImageKnifeComponent({
imageKnifeOption: new ImageKnifeOption({
loadSrc: this.src
})
}).width(110).height(110)
Text($r('app.string.click_img_to_change_color')).margin({ top: 30 })
ImageKnifeComponent({
imageKnifeOption: new ImageKnifeOption({
loadSrc: this.src,
drawingColorFilter: this.DrawingColorFilterFirst
})
})
.onClick(() => {
this.DrawingColorFilterFirst =
drawing.ColorFilter.createBlendModeColorFilter(this.color, drawing.BlendMode.SRC_IN);
}).width(110).height(110)
Text($r('app.string.test_non_svg_color')).margin({ top: 30 })
ImageKnifeComponent({
imageKnifeOption: new ImageKnifeOption({
loadSrc: $r('app.media.ic_test_change_color_png'),
drawingColorFilter: drawing.ColorFilter.createBlendModeColorFilter(this.color, drawing.BlendMode.SRC_IN)
})
}).width(110).height(110)
Text($r('app.string.test_svg_color')).margin({ top: 30 })
ImageKnifeComponent({
imageKnifeOption: new ImageKnifeOption({
loadSrc: $r("app.media.ic_test_change_color_svg"),
drawingColorFilter: drawing.ColorFilter.createBlendModeColorFilter(this.color, drawing.BlendMode.SRC_IN)
})
}).width(110).height(110)
}.width('100%').height('100%')
}
}

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/*
* Copyright (C) 2024 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the 'License');
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an 'AS IS' BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { ImageKnifeComponent ,ImageKnifeOption} from '@ohos/libraryimageknife';
@Entry
@ComponentV2
struct TestCommonImage {
private data: Array<string> = []
aboutToAppear(): void {
for (let index = 0; index < 30; index++) {
this.data.push(`https://img-blog.csdn.net/20140514114029140?${index}`)
}
}
build() {
Column() {
WaterFlow() {
ForEach(this.data,(item: string)=>{
FlowItem() {
Column(){
ImageKnifeComponent({
imageKnifeOption: new ImageKnifeOption({
loadSrc: item,
placeholderSrc: $r("app.media.loading"),
errorholderSrc: $r("app.media.failed"),
objectFit: ImageFit.Contain,
signature: "aaa"
})
}).width("50%").height(200)
}
}.height(200)
.backgroundColor("#95efd2")
},(item: string) => item)
}.columnsTemplate("1fr 1fr")
.columnsGap(10)
.rowsGap(5)
.backgroundColor(0xFAEEE0)
.width("100%").height("100%")
}
}
}

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/*
* Copyright (C) 2024 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { ImageKnifeComponent, } from '@ohos/libraryimageknife'
@Entry
@Component
struct TestDurationAndPlayTimesPage {
build() {
Column() {
ImageKnifeComponent({
imageKnifeOption: {
loadSrc: "https://n.sinaimg.cn/default/944aebbe/20230131/diamond_1.gif",
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed')
}
}).width(300)
.height(300)
.backgroundColor(Color.Orange)
Image("https://n.sinaimg.cn/default/944aebbe/20230131/diamond_1.gif")
.width(300)
.height(300)
.backgroundColor(Color.Orange)
.objectFit(ImageFit.Contain)
.margin({top:20})
}
.width('100%')
.height('100%')
}
}

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/*
* Copyright (C) 2024 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the 'License');
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an 'AS IS' BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { ImageKnifeComponent,ImageKnifeOption } from '@ohos/libraryimageknife'
@Entry
@ComponentV2
struct TestErrorHolderPage {
build() {
Column() {
Text("ImageKnifeComponent1").fontSize(20)
ImageKnifeComponent({
imageKnifeOption: new ImageKnifeOption({
loadSrc: "abc",
errorholderSrc:$r('app.media.failed')
})
}).width(200).height(200)
Text("ImageKnifeComponent2").fontSize(20)
ImageKnifeComponent({
imageKnifeOption: new ImageKnifeOption({
loadSrc: "abc",
errorholderSrc:$r('app.media.startIcon')
})
}).width(200).height(200)
Text("ImageKnifeComponent2").fontSize(20)
ImageKnifeComponent({
imageKnifeOption: new ImageKnifeOption({
loadSrc: "abc",
errorholderSrc:$r('app.media.mask_starfish')
})
}).width(200).height(200)
}
.height('100%') .width('100%')
}
}

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/*
* Copyright (C) 2024 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the 'License');
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an 'AS IS' BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { ImageKnifeComponent,ImageKnifeOption } from '@ohos/libraryimageknife'
@Entry
@ComponentV2
struct TestPrefetchToFileCachePage {
@Local imageKnifeOption: ImageKnifeOption = new ImageKnifeOption({
loadSrc:"https://gd-hbimg.huaban.com/e0a25a7cab0d7c2431978726971d61720732728a315ae-57EskW_fw658",
placeholderSrc:$r('app.media.loading'),
headerOption:[
{
key:"abc",
value:"单个"
}
]
})
build() {
Column() {
ImageKnifeComponent({
imageKnifeOption: this.imageKnifeOption
}).width(300).height(300)
}
.height('100%') .width('100%')
}
}

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/*
* Copyright (C) 2024 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the 'License');
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an 'AS IS' BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { ImageKnifeComponent,ImageKnifeOption } from '@ohos/libraryimageknife'
@ObservedV2
export class MsgModel {
id: string
cId: string
body: string
status: number
constructor(id: string, body: string, cId?: string) {
this.id = id
this.body = body
this.status = -1
this.cId = cId || ''
}
}
// @Reusable
@ComponentV2
export struct MsgItem {
@Param count: number = 0
private data: Array<string> = [
"http://e.hiphotos.baidu.com/image/pic/item/a1ec08fa513d2697e542494057fbb2fb4316d81e.jpg",
"http://c.hiphotos.baidu.com/image/pic/item/30adcbef76094b36de8a2fe5a1cc7cd98d109d99.jpg",
"http://h.hiphotos.baidu.com/image/pic/item/7c1ed21b0ef41bd5f2c2a9e953da81cb39db3d1d.jpg",
"http://g.hiphotos.baidu.com/image/pic/item/55e736d12f2eb938d5277fd5d0628535e5dd6f4a.jpg",
"http://e.hiphotos.baidu.com/image/pic/item/4e4a20a4462309f7e41f5cfe760e0cf3d6cad6ee.jpg",
"http://b.hiphotos.baidu.com/image/pic/item/9d82d158ccbf6c81b94575cfb93eb13533fa40a2.jpg",
"http://e.hiphotos.baidu.com/image/pic/item/4bed2e738bd4b31c1badd5a685d6277f9e2ff81e.jpg",
"http://g.hiphotos.baidu.com/image/pic/item/0d338744ebf81a4c87a3add4d52a6059252da61e.jpg",
"http://a.hiphotos.baidu.com/image/pic/item/f2deb48f8c5494ee5080c8142ff5e0fe99257e19.jpg",
"http://f.hiphotos.baidu.com/image/pic/item/4034970a304e251f503521f5a586c9177e3e53f9.jpg",
"http://b.hiphotos.baidu.com/image/pic/item/279759ee3d6d55fbb3586c0168224f4a20a4dd7e.jpg",
"http://img2.xkhouse.com/bbs/hfhouse/data/attachment/forum/corebbs/2009-11/2009113011534566298.jpg",
"http://a.hiphotos.baidu.com/image/pic/item/e824b899a9014c087eb617650e7b02087af4f464.jpg",
"http://c.hiphotos.baidu.com/image/pic/item/9c16fdfaaf51f3de1e296fa390eef01f3b29795a.jpg",
"http://d.hiphotos.baidu.com/image/pic/item/b58f8c5494eef01f119945cbe2fe9925bc317d2a.jpg",
"http://h.hiphotos.baidu.com/image/pic/item/902397dda144ad340668b847d4a20cf430ad851e.jpg",
"http://b.hiphotos.baidu.com/image/pic/item/359b033b5bb5c9ea5c0e3c23d139b6003bf3b374.jpg",
"http://a.hiphotos.baidu.com/image/pic/item/8d5494eef01f3a292d2472199d25bc315d607c7c.jpg",
"http://b.hiphotos.baidu.com/image/pic/item/e824b899a9014c08878b2c4c0e7b02087af4f4a3.jpg",
"http://g.hiphotos.baidu.com/image/pic/item/6d81800a19d8bc3e770bd00d868ba61ea9d345f2.jpg",
]
build(){
if (this.count % 2 == 0 && this.count <6){
ImageKnifeComponent({
imageKnifeOption:new ImageKnifeOption({
loadSrc:$r("app.media.startIcon"),
placeholderSrc:$r("app.media.loading")
}),syncLoad:true
})
}else if (this.count > 6 && this.count - 6 < this.data.length){
ImageKnifeComponent({
imageKnifeOption:new ImageKnifeOption({
loadSrc:this.data[this.count - 6],
placeholderSrc:$r("app.media.loading")
}),syncLoad:true
})
}else {
ImageKnifeComponent({
imageKnifeOption:new ImageKnifeOption({
loadSrc:$r("app.media.pngSample"),
placeholderSrc:$r("app.media.loading")
}),syncLoad:true
})
}
}
}
@Entry
@ComponentV2
struct ImageTestPage {
count : number = 0
rCount: number = 0
scroller: Scroller = new Scroller()
@Local list: MsgModel[] = []
@Local imageSize: number =100
handAdd(){
this.count++
const msgItem = new MsgModel('add_id'+this.count, 'addBody'+this.count,'cId'+ this.count)
this.list.push(msgItem)
setTimeout(()=> {
msgItem.status = 1
},3000)
this.scroller.scrollEdge(Edge.Bottom)
}
build(){
Column(){
Row(){
Button("addItem").onClick(()=> {
this.handAdd()
})
Button("remove").onClick(()=> {
this.list.splice(0,1)
})
}
Row(){
Text($r('app.string.Click_on_add'))
.onClick(()=> {
this.imageSize = this.imageSize + 50
})
.width('50%').backgroundColor(0x88ff0000).textAlign(TextAlign.Center).height(50)
Text($r('app.string.Click_on_reduce'))
.onClick(()=> {
this.imageSize = Math.max(this.imageSize - 50, 0)
})
.width('50%').backgroundColor(0x88ff0000).textAlign(TextAlign.Center).height(50)
}.height(50).width('100%')
List({space: 20, scroller: this.scroller }) {
ForEach(this.list, (item: MsgModel)=> {
ListItem(){
MsgItem({count : this.count}).width(this.imageSize).height(this.imageSize);
}
},(item:MsgModel)=> item.id)
}.width('100%').height('auto').layoutWeight(1)
}
.width('100%')
.height('100%')
}
}

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@ -1,86 +0,0 @@
/*
* Copyright (C) 2024 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the 'License');
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an 'AS IS' BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { ImageKnifeComponent, ImageKnife, ImageKnifeOption, CacheStrategy } from '@ohos/libraryimageknife'
@Entry
@ComponentV2
struct TestIsUrlExist {
@Local imageKnifeOption: ImageKnifeOption = new ImageKnifeOption({
loadSrc: $r('app.media.startIcon'),
placeholderSrc: $r('app.media.loading'),
errorholderSrc:$r('app.media.failed')
})
@Local source: PixelMap | string | Resource = $r("app.media.startIcon")
@Local source1: PixelMap | string | Resource = $r("app.media.startIcon")
build() {
Column() {
Flex() {
Button($r('app.string.Preloading_GIF')).onClick(() => {
this.imageKnifeOption.loadSrc =
"https://gd-hbimg.huaban.com/e0a25a7cab0d7c2431978726971d61720732728a315ae-57EskW_fw658"
})
Button($r('app.string.Retrieve_GIF_from_memory')).onClick(() => {
ImageKnife.getInstance()
.getCacheImage("https://gd-hbimg.huaban.com/e0a25a7cab0d7c2431978726971d61720732728a315ae-57EskW_fw658",
CacheStrategy.Memory)
.then((data) => {
this.source = data !== undefined ? data.source : $r("app.media.startIcon")
})
})
Button($r('app.string.Retrieve_GIF_from_disk')).onClick(() => {
ImageKnife.getInstance()
.getCacheImage("https://gd-hbimg.huaban.com/e0a25a7cab0d7c2431978726971d61720732728a315ae-57EskW_fw658",
CacheStrategy.File)
.then((data) => {
this.source1 = data !== undefined ? data.source : $r("app.media.startIcon")
})
})
}
Flex() {
Button($r('app.string.Preloading_static_images')).onClick(() => {
this.imageKnifeOption.loadSrc =
'https://hbimg.huabanimg.com/95a6d37a39aa0b70d48fa18dc7df8309e2e0e8e85571e-x4hhks_fw658/format/webp'
})
Button($r('app.string.Retrieve_images_from_memory')).onClick(() => {
ImageKnife.getInstance()
.getCacheImage('https://hbimg.huabanimg.com/95a6d37a39aa0b70d48fa18dc7df8309e2e0e8e85571e-x4hhks_fw658/format/webp',
CacheStrategy.Memory)
.then((data) => {
this.source = data!.source
})
})
Button($r('app.string.Retrieve_images_from_disk')).onClick(() => {
ImageKnife.getInstance()
.getCacheImage('https://hbimg.huabanimg.com/95a6d37a39aa0b70d48fa18dc7df8309e2e0e8e85571e-x4hhks_fw658/format/webp',
CacheStrategy.File)
.then((data) => {
this.source1 = data!.source
})
})
}.margin({ top: 10 })
ImageKnifeComponent({
imageKnifeOption: this.imageKnifeOption
}).width(200).height(200).margin({ top: 10 })
Image(this.source).margin({ top: 10 })
.width(200).height(200)
Image(this.source1).margin({ top: 10 })
.width(200).height(200)
}
.height('100%').width('100%')
}
}

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/*
* Copyright (C) 2024 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the 'License');
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an 'AS IS' BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { ImageKnifeComponent, ImageKnifeOption } from '@ohos/imageknife';
@Entry
@ComponentV2
struct TestLoadCancelListenerPage {
@Local currentWidth: number = 200
@Local currentHeight: number = 200
@Local showChild: boolean = true;
@Local text: string = "";
@Local ImageKnifeOption: ImageKnifeOption = new ImageKnifeOption({
loadSrc: "",
objectFit: ImageFit.Contain,
border: { radius: 50 }
})
build() {
Column() {
Text($r('app.string.onLoadCancel_reason', this.text)).margin(20).fontSize(15)
Button($r('app.string.rm_component_of_net'))
.margin(20)
.onClick(() => {
this.ImageKnifeOption = new ImageKnifeOption({
loadSrc: "https://contentcenter-drcn.dbankcdn.cn/pub_1/DevEcoSpace_1_900_9/76/v3/EyF6z4FISpCHhae38eEexw/OtyAiu-zSSevNQYvUdtVmA.jpg",
objectFit: ImageFit.Contain,
onLoadListener: {
onLoadStart: () => {
this.showChild = false;
},
onLoadCancel: (res) => {
this.text = res
console.log("TestLoadCancelListenerPage----onLoadCancel> url:" + res)
}
},
border: { radius: 50 }
})
})
Button($r('app.string.component_display'))
.margin(20).onClick(() => {
this.text = "";
this.showChild = true;
this.ImageKnifeOption = new ImageKnifeOption({
loadSrc: "",
objectFit: ImageFit.Contain,
border: { radius: 50 }
})
})
Button($r('app.string.rm_component_of_local'))
.margin(20)
.onClick(() => {
this.ImageKnifeOption = new ImageKnifeOption({
loadSrc: $r('app.media.loading'),
objectFit: ImageFit.Contain,
onLoadListener: {
onLoadStart: () => {
this.showChild = false;
},
onLoadCancel: (res) => {
this.text = res
console.log("TestLoadCancelListenerPage----onLoadCancel> url:" + res)
}
},
border: { radius: 50 }
})
})
if (this.showChild) {
ImageKnifeComponent(
{ imageKnifeOption: this.ImageKnifeOption })
.height(150)
.width(150)
.backgroundColor(Color.Orange)
.margin({ top: 20 })
}
}
.height('100%')
.width('100%')
}
}

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/*
* Copyright (C) 2024 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the 'License');
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an 'AS IS' BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { ImageKnifeComponent,ImageKnife,ImageKnifeOption } from '@ohos/libraryimageknife'
@Entry
@ComponentV2
struct TestPrefetchToFileCachePage {
@Local imageKnifeOption: ImageKnifeOption = new ImageKnifeOption({
loadSrc:$r('app.media.startIcon'),
placeholderSrc:$r('app.media.loading'),
errorholderSrc:$r('app.media.failed')
})
async preload(url:string) {
let fileCachePath = await ImageKnife.getInstance().preLoadCache(url)
console.log("preload-fileCachePath=="+ fileCachePath)
}
async preload1(url:string) {
let fileCachePath = await ImageKnife.getInstance().preLoadCache(new ImageKnifeOption({ loadSrc: url }))
console.log("preload-fileCachePath1=="+ fileCachePath)
}
build() {
Column() {
Button($r('app.string.Preloading_images_to_file_cache_using_URL')).margin({top:10}).onClick(async ()=>{
await this.preload("https://gd-hbimg.huaban.com/e0a25a7cab0d7c2431978726971d61720732728a315ae-57EskW_fw658")
})
Button($r('app.string.Preloading_images_to_file_cache_using_option')).margin({top:10}).onClick(async ()=>{
await this.preload1("https://gd-hbimg.huaban.com/e0a25a7cab0d7c2431978726971d61720732728a315ae-57EskW_fw658")
})
Button($r('app.string.Load_image_offline_after_preloading')).margin({top:10}).onClick(()=>{
this.imageKnifeOption.loadSrc = "https://gd-hbimg.huaban.com/e0a25a7cab0d7c2431978726971d61720732728a315ae-57EskW_fw658"
})
ImageKnifeComponent({
imageKnifeOption: this.imageKnifeOption
}).width(300).height(300).margin({top:30})
}
.height('100%') .width('100%')
}
}

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/*
* Copyright (C) 2024 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the 'License');
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an 'AS IS' BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { ImageKnifeComponent, ImageKnife, ImageKnifeOption, CacheStrategy } from '@ohos/libraryimageknife'
@Entry
@ComponentV2
struct TestRemoveCache {
@Local imageKnifeOption: ImageKnifeOption = new ImageKnifeOption({
loadSrc: $r('app.media.startIcon'),
placeholderSrc: $r('app.media.loading'),
errorholderSrc:$r('app.media.failed')
})
@Local source: PixelMap | string | Resource = $r("app.media.startIcon");
@Local source1: PixelMap | string | Resource = $r("app.media.startIcon");
@Local url: string = '';
build() {
Column() {
Flex() {
Button($r('app.string.Preloading_GIF')).onClick(() => {
this.imageKnifeOption.loadSrc = "https://gd-hbimg.huaban.com/e0a25a7cab0d7c2431978726971d61720732728a315ae-57EskW_fw658";
this.url = "https://gd-hbimg.huaban.com/e0a25a7cab0d7c2431978726971d61720732728a315ae-57EskW_fw658";
})
.margin({left:10})
Button($r('app.string.Retrieve_GIF_from_memory')).onClick(() => {
ImageKnife.getInstance()
.getCacheImage("https://gd-hbimg.huaban.com/e0a25a7cab0d7c2431978726971d61720732728a315ae-57EskW_fw658",
CacheStrategy.Memory)
.then((data) => {
this.source = data !== undefined ? data.source : $r("app.media.startIcon");
})
})
.margin({left:10})
Button($r('app.string.Retrieve_GIF_from_disk')).onClick(() => {
ImageKnife.getInstance()
.getCacheImage("https://gd-hbimg.huaban.com/e0a25a7cab0d7c2431978726971d61720732728a315ae-57EskW_fw658",
CacheStrategy.File)
.then((data) => {
this.source1 = data !== undefined ? data.source : $r("app.media.startIcon");
})
})
.margin({left:10})
}
Flex() {
Button($r('app.string.Preloading_static_images')).onClick(() => {
this.imageKnifeOption.loadSrc = 'https://hbimg.huabanimg.com/95a6d37a39aa0b70d48fa18dc7df8309e2e0e8e85571e-x4hhks_fw658/format/webp';
this.url = 'https://hbimg.huabanimg.com/95a6d37a39aa0b70d48fa18dc7df8309e2e0e8e85571e-x4hhks_fw658/format/webp';
})
.margin({left:10})
Button($r('app.string.Retrieve_images_from_memory')).onClick(() => {
ImageKnife.getInstance()
.getCacheImage('https://hbimg.huabanimg.com/95a6d37a39aa0b70d48fa18dc7df8309e2e0e8e85571e-x4hhks_fw658/format/webp',
CacheStrategy.Memory)
.then((data) => {
this.source = data!.source;
})
})
.margin({left:10})
Button($r('app.string.Retrieve_images_from_disk')).onClick(() => {
ImageKnife.getInstance()
.getCacheImage('https://hbimg.huabanimg.com/95a6d37a39aa0b70d48fa18dc7df8309e2e0e8e85571e-x4hhks_fw658/format/webp',
CacheStrategy.File)
.then((data) => {
this.source1 = data!.source;
})
})
.margin({left:10})
}.margin({ top: 10 })
Flex() {
Button($r('app.string.Delete_all_caches')).onClick(() => {
ImageKnife.getInstance()
.removeAllMemoryCache()
ImageKnife.getInstance()
.removeAllFileCache()
})
.margin({left:5})
Button($r('app.string.Delete_all_memory_caches')).onClick(() => {
ImageKnife.getInstance()
.removeAllMemoryCache()
})
.margin({left:5})
Button($r('app.string.Delete_all_file_caches')).onClick(() => {
ImageKnife.getInstance()
.removeAllFileCache()
})
.margin({left:5})
}.margin({ top: 10 })
Flex() {
Button($r('app.string.Delete_all_custom_memory_caches')).onClick(() => {
ImageKnife.getInstance()
.removeMemoryCache(this.url)
})
.margin({left:20})
Button($r('app.string.Delete_all_custom_file_caches')).onClick(() => {
ImageKnife.getInstance()
.removeFileCache(this.url)
})
.margin({left:20})
}.margin({ top: 10 })
ImageKnifeComponent({
imageKnifeOption: this.imageKnifeOption
}).width(200).height(200).margin({ top: 10 })
Image(this.source).margin({ top: 10 })
.width(200).height(200)
Image(this.source1).margin({ top: 10 })
.width(200).height(200)
}
.height('100%').width('100%')
}
}

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/*
* Copyright (C) 2024 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the 'License');
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an 'AS IS' BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { ImageKnifeComponent, ImageKnife, ImageKnifeOption } from '@ohos/libraryimageknife'
@Entry
@ComponentV2
struct TestSetCustomImagePage {
getResourceString(res:Resource){
return getContext().resourceManager.getStringSync(res.id)
}
@Local imageKnifeOption: ImageKnifeOption = new ImageKnifeOption({
loadSrc: $r('app.media.startIcon'),
placeholderSrc: $r('app.media.loading')
})
aboutToAppear(): void {
ImageKnife.getInstance().setCustomGetImage(custom)
}
aboutToDisappear(): void {
ImageKnife.getInstance().setCustomGetImage()
}
build() {
Column() {
Button(this.getResourceString($r('app.string.Custom_network_download')) + " a").onClick(()=>{
this.imageKnifeOption = new ImageKnifeOption({
loadSrc: "aaa",
placeholderSrc: $r('app.media.loading')
})
})
Button(this.getResourceString($r('app.string.Custom_network_download')) + " b").onClick(()=>{
this.imageKnifeOption = new ImageKnifeOption({
loadSrc: "bbb",
placeholderSrc: $r('app.media.loading')
})
})
Button(this.getResourceString($r('app.string.Custom_network_download')) + " c").onClick(()=>{
this.imageKnifeOption = new ImageKnifeOption({
loadSrc: "ccc",
placeholderSrc: $r('app.media.loading')
})
})
ImageKnifeComponent({
imageKnifeOption: this.imageKnifeOption
}).width(300)
.height(300)
}
.width("100%")
.height("100%")
}
}
@Concurrent
async function custom(context: Context, src: string | PixelMap | Resource): Promise<ArrayBuffer | undefined> {
console.info("ImageKnife:: custom download" + src)
// 举例写死从本地文件读取,也可以自己请求网络图片
return context.resourceManager.getMediaContentSync($r("app.media.pngSample").id).buffer as ArrayBuffer
}

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/*
* Copyright (C) 2024 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the 'License');
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an 'AS IS' BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { ImageKnifeComponent, ImageKnifeOption } from "@ohos/libraryimageknife"
@ComponentV2
export struct ZuImage {
@Param @Require src: PixelMap | ResourceStr | string | undefined
@Param @Require placeholderSrc: PixelMap | ResourceStr | string | undefined
@Local errorholderSrc: PixelMap | ResourceStr | string | undefined
build() {
if (this.src) {
//当前版本存在bug
ImageKnifeComponent({
imageKnifeOption: new ImageKnifeOption({
loadSrc: this.src,
placeholderSrc: this.placeholderSrc,
errorholderSrc: this.errorholderSrc ?? this.placeholderSrc,
objectFit: ImageFit.Cover
})
})
} else {
Image(this.placeholderSrc)
.objectFit(ImageFit.Cover)
}
}
}
@Entry
@ComponentV2
struct TestTaskResourcePage {
@Local stateMenus: Array<string> = [
"https://hbimg.huabanimg.com/cc6af25f8d782d3cf3122bef4e61571378271145735e9-vEVggB",
'https://contentcenter-drcn.dbankcdn.cn/pub_1/DevEcoSpace_1_900_9/bf/v3/lSjrRwFcS-ez6jp1ALSQFg/0n7R7XinSPyrYLqDu_1dfw.jpg',
'https://img-blog.csdn.net/20140514114029140',
'https://hbimg.huabanimg.com/95a6d37a39aa0b70d48fa18dc7df8309e2e0e8e85571e-x4hhks_fw658/format/webp',
]
@Builder
_buildItem(item: string) {
Column({ space: 8 }) {
ZuImage({
src: item,
placeholderSrc: $r("app.media.loading")
}).width(44)
.height(44)
}
}
build() {
Grid() {
ForEach(this.stateMenus, (item: string) => {
GridItem() {
this._buildItem(item)
}
})
}.width("100%")
.columnsTemplate('1fr 1fr 1fr 1fr 1fr')
.rowsGap(24)
.padding({
top: 24,
bottom: 24,
left: 24,
right: 24
})
}
}

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/*
* Copyright (C) 2024 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the 'License');
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an 'AS IS' BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { ImageKnifeComponent,CacheStrategy,ImageKnifeOption } from '@ohos/libraryimageknife'
@Entry
@ComponentV2
struct TestWriteCacheStage {
@Local imageKnifeOption1: ImageKnifeOption = new ImageKnifeOption({
loadSrc:$r('app.media.startIcon'),
placeholderSrc:$r('app.media.loading'),
errorholderSrc:$r('app.media.failed')
})
@Local imageKnifeOption2: ImageKnifeOption = new ImageKnifeOption({
loadSrc:$r('app.media.startIcon'),
placeholderSrc:$r('app.media.loading'),
errorholderSrc:$r('app.media.failed')
})
@Local imageKnifeOption3: ImageKnifeOption = new ImageKnifeOption({
loadSrc:$r('app.media.startIcon'),
placeholderSrc:$r('app.media.loading'),
errorholderSrc:$r('app.media.failed')
})
build() {
Column() {
Button($r('app.string.Write_memory_and_file')).margin({top:10}).onClick(async ()=>{
this.imageKnifeOption1 = new ImageKnifeOption({
loadSrc:'https://hbimg.huabanimg.com/95a6d37a39aa0b70d48fa18dc7df8309e2e0e8e85571e-x4hhks_fw658/format/webp',
placeholderSrc:$r('app.media.loading'),
errorholderSrc:$r('app.media.failed'),
writeCacheStrategy:CacheStrategy.Default
})
})
ImageKnifeComponent({
imageKnifeOption: this.imageKnifeOption1
}).width(200).height(200).margin({top:10})
Button($r('app.string.Write_memory')).margin({top:10}).onClick(async ()=>{
this.imageKnifeOption2 = new ImageKnifeOption({
loadSrc:"https://hbimg.huabanimg.com/cc6af25f8d782d3cf3122bef4e61571378271145735e9-vEVggB",
placeholderSrc:$r('app.media.loading'),
errorholderSrc:$r('app.media.failed'),
writeCacheStrategy:CacheStrategy.Memory
})
})
ImageKnifeComponent({
imageKnifeOption: this.imageKnifeOption2
}).width(200).height(200).margin({top:10})
Button($r('app.string.Write_file')).margin({top:10}).onClick(async ()=>{
this.imageKnifeOption3 = new ImageKnifeOption({
loadSrc:'https://img-blog.csdn.net/20140514114029140',
placeholderSrc:$r('app.media.loading'),
errorholderSrc:$r('app.media.failed'),
writeCacheStrategy:CacheStrategy.File
})
})
ImageKnifeComponent({
imageKnifeOption: this.imageKnifeOption3
}).width(200).height(200).margin({top:10})
}
.height('100%') .width('100%')
}
}

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/*
* Copyright (C) 2024 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the 'License');
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an 'AS IS' BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { ImageKnifeComponent, ImageKnifeOption } from "@ohos/libraryimageknife"
import matrix4 from '@ohos.matrix4'
@Entry
@ComponentV2
struct TransformPage {
private custom_scale:number = 1
@Local matrix1:object = matrix4.identity().scale({ x: 1, y: 1 })
@Local ImageKnifeOption: ImageKnifeOption = new ImageKnifeOption({
loadSrc: $r("app.media.rabbit"),
placeholderSrc: $r("app.media.loading"),
errorholderSrc: $r("app.media.app_icon"),
objectFit: ImageFit.Contain,
border: { radius: 50 }
})
build() {
Column() {
ImageKnifeComponent({ imageKnifeOption: this.ImageKnifeOption }).height(200).width(200)
.transform(this.matrix1)
// Image($r('app.media.rabbit')).objectFit(ImageFit.Contain).height(200).width(200).transform(this.matrix1)
Button($r('app.string.Enlarge')).onClick(()=>{
this.custom_scale = this.custom_scale * 2
this.matrix1 = matrix4.identity().scale({ x: this.custom_scale, y: this.custom_scale })
})
Button($r('app.string.Reduce')).onClick(()=>{
this.custom_scale = this.custom_scale / 2
this.matrix1 = matrix4.identity().scale({ x: this.custom_scale, y: this.custom_scale })
})
}
.width('100%')
.height('100%')
}
}

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/*
* Copyright (C) 2024 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the 'License');
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an 'AS IS' BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { ImageKnifeComponent, ImageKnifeOption } from '@ohos/libraryimageknife'
// const logger = new imUtils.logger.IMLogger('Avatar')
@ObservedV2
export class MyStorage {
static instance:MyStorage | undefined = undefined
static getInstance(){
if(MyStorage.instance == undefined) {
MyStorage.instance = new MyStorage()
}
return MyStorage.instance
}
@Trace WeLink_Mob_fontSize_multiple: number = 1
}
@ComponentV2
export struct UserAvatar {
// @Prop userInfo: string = ""
imgSize: number = 100
radius: number = 12
borderSize: number = 0
imgSizes: number = 1
@Local ImageKnifeOption: ImageKnifeOption = new ImageKnifeOption()
scalable: boolean = true;
@Local calcImgSize: number = 100
@Param userInfo: string = ""
@Monitor('userInfo')
userInfoUpdate() {
// if (uri === 'userInfo' && this.imageKnifeOption.account !== this.userInfo.contactId) return;
// // logger.info(`userInfoUpdate uri=${uri} oldAcc=${this.imageKnifeOption.loadSrc} nowAcc=${this.userInfo.externalHeadUrl}`)
// if (this.userInfo.externalHeadUrl === this.imageKnifeOption.loadSrc && this.userInfo.infoUpdateTime.getTime()
// .toString() === this.imageKnifeOption?.signature?.getKey()) return;
this.ImageKnifeOption = new ImageKnifeOption({
//TODO:写死loadSRC场景变更组件大小所有图片不显示
loadSrc: this.userInfo,
placeholderSrc: $r('app.media.loading'),
errorholderSrc: $r('app.media.failed'),
border: { radius:20,width:5,color:$r('app.color.start_window_background') },
objectFit:ImageFit.Contain
// signature: new ObjectKey(this.userInfo.infoUpdateTime.getTime().toString())
})
}
@Local storage: MyStorage = MyStorage.getInstance()
@Monitor('storage.WeLink_Mob_fontSize_multiple')
updateImgSize() {
this.setImageSize()
}
aboutToAppear(): void {
this.userInfoUpdate()
this.setImageSize()
}
setImageSize() {
if (!this.scalable) {
this.calcImgSize = this.imgSize
} else if (this.storage.WeLink_Mob_fontSize_multiple < 0.9) {
this.calcImgSize = this.imgSize * 0.9
} else if (this.storage.WeLink_Mob_fontSize_multiple > 1.6) {
this.calcImgSize = this.imgSize * 1.6
} else {
this.calcImgSize = this.imgSize * this.storage.WeLink_Mob_fontSize_multiple
}
}
aboutToReuse(param: ESObject) {
this.userInfoUpdate()
}
build() {
Row() {
// Image(this.imageKnifeOption.loadSrc)
ImageKnifeComponent({ imageKnifeOption: this.ImageKnifeOption })
.borderRadius(this.radius)
.clip(true)
.width(this.calcImgSize)
.height(this.calcImgSize)
.backgroundColor(Color.Pink)
// Image(this.userInfo)
// Text((this.imageKnifeOption.loadSrc as string).split('/')[8])
// .position({ x: 0, y: 0 })
// .zIndex(9)
// .fontSize(12)
// .fontColor('#ff0000')
}
}
}

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/*
* Copyright (C) 2024 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the 'License');
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an 'AS IS' BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { MyStorage, UserAvatar } from './User'
class CommonDataSource <T> implements IDataSource {
private dataArray: T[] = []
private listeners: DataChangeListener[] = []
constructor(element: []) {
this.dataArray = element
}
public getData(index: number) {
return this.dataArray[index]
}
public totalCount(): number {
return this.dataArray.length
}
public addData(index: number, data: T[]): void {
this.dataArray = this.dataArray.concat(data)
this.notifyDataAdd(index)
}
unregisterDataChangeListener(listener: DataChangeListener): void {
const pos = this.listeners.indexOf(listener);
if (pos >= 0) {
this.listeners.splice(pos, 1);
}
}
registerDataChangeListener(listener: DataChangeListener): void {
if (this.listeners.indexOf(listener) < 0) {
this.listeners.push(listener)
}
}
notifyDataAdd(index: number): void {
this.listeners.forEach((listener: DataChangeListener) => {
listener.onDataAdd(index)
})
}
}
@Entry
@ComponentV2
struct Index {
@Local hotCommendList:CommonDataSource<string> = new CommonDataSource<string>([])
private data:string[] = [
"https://contentcenter-drcn.dbankcdn.cn/pub_1/DevEcoSpace_1_900_9/56/v3/8MdhfSsCSMKj4sA6okUWrg/5uBx56tLTUO3RYQl-E5JiQ.jpg",
"https://contentcenter-drcn.dbankcdn.cn/pub_1/DevEcoSpace_1_900_9/e2/v3/4zI1Xm_3STmV30aZXWRrKw/6aN7WodDRUiBApgffiLPCg.jpg",
"https://contentcenter-drcn.dbankcdn.cn/pub_1/DevEcoSpace_1_900_9/42/v3/2dSQCqERTP2TTPyssOMEbQ/zL1ebnKKQ_ilqTDcwCAkOw.jpg",
"https://contentcenter-drcn.dbankcdn.cn/pub_1/DevEcoSpace_1_900_9/78/v3/qQJpAtRGQe2e_VhbGHDgIw/b3zlit99S6GybD3XdNwqJw.jpg",
"https://contentcenter-drcn.dbankcdn.cn/pub_1/DevEcoSpace_1_900_9/55/v3/5DZ2LLqYSsK85-shqgLveQ/7ZXcyCWNTvOzQP5FFLBGkg.jpg",
"https://contentcenter-drcn.dbankcdn.cn/pub_1/DevEcoSpace_1_900_9/3e/v3/LqRoLI-PRSu9Nqa8KdJ-pQ/dSqskBpSR9eraAMn7NBdqA.jpg",
"https://contentcenter-drcn.dbankcdn.cn/pub_1/DevEcoSpace_1_900_9/25/v3/jgB2ekkTRX-3yTYZalnANQ/xff_x9cbSPqb7fbNwgJa7A.jpg",
"https://contentcenter-drcn.dbankcdn.cn/pub_1/DevEcoSpace_1_900_9/fb/v3/alXwXLHKSyCAIWt_ydgD2g/BCCuu25TREOitQxM7eYOEw.jpg",
"https://contentcenter-drcn.dbankcdn.cn/pub_1/DevEcoSpace_1_900_9/63/v3/qbe6NZkCQyGcITvdWoZBgg/Y-5U1z3GT_yaK8CBD3jkwg.jpg",
"https://contentcenter-drcn.dbankcdn.cn/pub_1/DevEcoSpace_1_900_9/16/v3/fm2tO4TsRH6mv_D_nSSd5w/FscLpLwQQ-KuV7oaprFK2Q.jpg",
"https://contentcenter-drcn.dbankcdn.cn/pub_1/DevEcoSpace_1_900_9/89/v3/UAUvtPHqRD-GWWANsEC57Q/zcRJCQebQ322Aby4jzmwmQ.jpg",
"https://contentcenter-drcn.dbankcdn.cn/pub_1/DevEcoSpace_1_900_9/30/v3/tUUzzx73R4yp8G--lMhuWQ/EBbcu_dLTT-Jj68XAh6mtA.jpg",
"https://contentcenter-drcn.dbankcdn.cn/pub_1/DevEcoSpace_1_900_9/76/v3/EyF6z4FISpCHhae38eEexw/OtyAiu-zSSevNQYvUdtVmA.jpg",
"https://contentcenter-drcn.dbankcdn.cn/pub_1/DevEcoSpace_1_900_9/37/v3/12rH1yiEQmK9wlOOcy5avQ/RzBXiEBRRqOC7LRkwNj6VA.jpg",
"https://contentcenter-drcn.dbankcdn.cn/pub_1/DevEcoSpace_1_900_9/9a/v3/TpRN4AIzRoyUXIqWdKoE0g/ShOnD_tfS46HDbpSWhbCkQ.jpg",
"https://contentcenter-drcn.dbankcdn.cn/pub_1/DevEcoSpace_1_900_9/03/v3/H3X17s8eTdS2w56JgbB5jQ/a45sT-j8Sbe8sSQXTzeYvQ.jpg",
"https://contentcenter-drcn.dbankcdn.cn/pub_1/DevEcoSpace_1_900_9/10/v3/qaEzwkU0QeKb1yehnP2Xig/q7fxAlgMQKup-HUBayRLGQ.jpg",
"https://contentcenter-drcn.dbankcdn.cn/pub_1/DevEcoSpace_1_900_9/96/v3/rMJJoAflTDSWa1z2pHs2wg/8dOqD0GlQBOCL5AvQok9FQ.jpg",
"https://contentcenter-drcn.dbankcdn.cn/pub_1/DevEcoSpace_1_900_9/ed/v3/KMO4D6D2QGuVOCLX4AhOFA/ef51xAaLQuK7BsnuD9abog.jpg",
"https://contentcenter-drcn.dbankcdn.cn/pub_1/DevEcoSpace_1_900_9/d9/v3/FSZH0aTdSqWxeAaxoPvi0g/RqxPxUCXQFiTMBfKTF9kkw.jpg",
"https://hbimg.huabanimg.com/cc6af25f8d782d3cf3122bef4e61571378271145735e9-vEVggB",
'https://contentcenter-drcn.dbankcdn.cn/pub_1/DevEcoSpace_1_900_9/bf/v3/lSjrRwFcS-ez6jp1ALSQFg/0n7R7XinSPyrYLqDu_1dfw.jpg',
'https://img-blog.csdn.net/20140514114029140',
'https://hbimg.huabanimg.com/95a6d37a39aa0b70d48fa18dc7df8309e2e0e8e85571e-x4hhks_fw658/format/webp',
]
aboutToAppear(): void {
MyStorage.getInstance().WeLink_Mob_fontSize_multiple = 1
}
build() {
Column() {
Button("bigger").onClick(()=>{
MyStorage.getInstance().WeLink_Mob_fontSize_multiple = 1.6
})
Button("small").onClick(()=>{
MyStorage.getInstance().WeLink_Mob_fontSize_multiple = 0.8
})
List(){
// LazyForEach(this.hotCommendList,(item:string)=>{
// ListItem(){
// ReuseImage({
// userInfo:item
// }).width("100%").height("100%").backgroundColor(Color.Yellow)
// }.width(200).height(200).margin({bottom:5})
// })
Repeat(this.data)
.each((repeatItem)=>{
ListItem(){
ReuseImage({
userInfo:repeatItem.item
}).width("100%").height("100%").backgroundColor(Color.Yellow)
}.width(200).height(200).margin({bottom:5}).key("reuse")
})
.key(item => item+"reuse")
.virtualScroll()
.template("1",(repeatItem)=>{
ListItem(){
ReuseImage({
userInfo:repeatItem.item
}).width("100%").height("100%").backgroundColor(Color.Yellow)
}.width(200).height(200).margin({bottom:5}).key("reuse")
})
}
// .cachedCount(20)
.width("100%")
.height("100%")
.backgroundColor(0xFAEEE0)
}.width('100%').height("100%")
}
}
// @Reusable
@ComponentV2
struct ReuseImage {
@Param userInfo:string = ""
// aboutToReuse(params: ESObject): void {
// this.userInfo = params.userInfo
// }
build() {
Column(){
UserAvatar({
userInfo:this.userInfo
})
}.width("100%").height("100%")
}
}

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/*
* Copyright (C) 2021 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the 'License');
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import {ImageKnifeOption,ImageKnifeComponent} from '@ohos/libraryimageknife'
@Entry
@Component
struct BasicTestFeatureAbilityPage {
@Watch("watchPathChange") @State filePath: string = "查看featureAbility路径";
watchPathChange() {
console.log("watchPathChange")
}
urls:string[]=[
"http://e.hiphotos.baidu.com/image/pic/item/a1ec08fa513d2697e542494057fbb2fb4316d81e.jpg",
"http://c.hiphotos.baidu.com/image/pic/item/30adcbef76094b36de8a2fe5a1cc7cd98d109d99.jpg",
"http://h.hiphotos.baidu.com/image/pic/item/7c1ed21b0ef41bd5f2c2a9e953da81cb39db3d1d.jpg",
"http://g.hiphotos.baidu.com/image/pic/item/55e736d12f2eb938d5277fd5d0628535e5dd6f4a.jpg",
"http://e.hiphotos.baidu.com/image/pic/item/4e4a20a4462309f7e41f5cfe760e0cf3d6cad6ee.jpg",
"http://b.hiphotos.baidu.com/image/pic/item/9d82d158ccbf6c81b94575cfb93eb13533fa40a2.jpg",
"http://e.hiphotos.baidu.com/image/pic/item/4bed2e738bd4b31c1badd5a685d6277f9e2ff81e.jpg",
"http://g.hiphotos.baidu.com/image/pic/item/0d338744ebf81a4c87a3add4d52a6059252da61e.jpg",
"http://a.hiphotos.baidu.com/image/pic/item/f2deb48f8c5494ee5080c8142ff5e0fe99257e19.jpg",
"http://f.hiphotos.baidu.com/image/pic/item/4034970a304e251f503521f5a586c9177e3e53f9.jpg",
"http://b.hiphotos.baidu.com/image/pic/item/279759ee3d6d55fbb3586c0168224f4a20a4dd7e.jpg",
"http://img2.xkhouse.com/bbs/hfhouse/data/attachment/forum/corebbs/2009-11/2009113011534566298.jpg",
"http://a.hiphotos.baidu.com/image/pic/item/e824b899a9014c087eb617650e7b02087af4f464.jpg",
"http://c.hiphotos.baidu.com/image/pic/item/9c16fdfaaf51f3de1e296fa390eef01f3b29795a.jpg",
"http://d.hiphotos.baidu.com/image/pic/item/b58f8c5494eef01f119945cbe2fe9925bc317d2a.jpg",
"http://h.hiphotos.baidu.com/image/pic/item/902397dda144ad340668b847d4a20cf430ad851e.jpg",
"http://b.hiphotos.baidu.com/image/pic/item/359b033b5bb5c9ea5c0e3c23d139b6003bf3b374.jpg",
"http://a.hiphotos.baidu.com/image/pic/item/8d5494eef01f3a292d2472199d25bc315d607c7c.jpg",
"http://b.hiphotos.baidu.com/image/pic/item/e824b899a9014c08878b2c4c0e7b02087af4f4a3.jpg",
"http://g.hiphotos.baidu.com/image/pic/item/6d81800a19d8bc3e770bd00d868ba61ea9d345f2.jpg",
]
@State options:Array<ImageKnifeOption> = new Array
aboutToAppear(){
this.options = this.urls.map<ImageKnifeOption>((url:string)=>{
return {
loadSrc:url
}
})
console.log('this.options length ='+this.options.length)
}
build() {
Stack({ alignContent: Alignment.TopStart }) {
Column() {
List({ space: 20, initialIndex: 0 }) {
ForEach(this.options, (item:ImageKnifeOption) => {
ListItem() {
ImageKnifeComponent({imageKnifeOption:item}).width(300).height(300)
}
}, (item:ImageKnifeOption )=> item.loadSrc as string)
}
.listDirection(Axis.Vertical) // 排列方向
.divider({ strokeWidth: 2, color: 0xFFFFFF, startMargin: 20, endMargin: 20 }) // 每行之间的分界线
.edgeEffect(EdgeEffect.None) // 滑动到边缘无效果
.chainAnimation(false) // 联动特效关闭
.onScrollIndex((firstIndex: number, lastIndex: number) => {
console.info('first' + firstIndex)
console.info('last' + lastIndex)
})
}.width('100%')
}.width('100%').height('100%').backgroundColor(0xDCDCDC).padding({ top: 5 })
}
}

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/*
* Copyright (C) 2021 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the 'License');
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an 'AS IS' BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { FileUtils, ImageKnifeGlobal} from '@ohos/libraryimageknife'
import resourceManager from '@ohos.resourceManager';
import { BusinessError } from '@ohos.base'
import common from '@ohos.app.ability.common';
@Entry
@Component
struct basicTestFileIOPage {
@State filePath: string = '查看featureAbility路径';
appFilePath = '';
appCachePath = '';
@State imageHint: string = '文字提醒1'
@State imageHint2: string = '文字提醒2'
@State imageFile: string = ''
@State imageRes: Resource = $r('app.media.pngSample')
@State imagePixelMap?: PixelMap = undefined
@State normalPixelMap: boolean = false;
@State normalResource: boolean = false;
watchPathChange() {
console.log('watchPathChange');
}
build() {
Scroll() {
Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Text(this.filePath).fontSize(20)
Button('featureAbility.getContext().getFilesDir()')
.margin({ top: 10 })
.onClick(() => {
let data:string = (ImageKnifeGlobal.getInstance().getHapContext() as common.UIAbilityContext).filesDir as string;
console.log('ImageKnife filesPath = ' + data)
this.filePath = data
this.appFilePath = data;
})
Button('featureAbility.getContext().getCacheDir()')
.margin({ top: 10 })
.onClick(() => {
let data:string = (ImageKnifeGlobal.getInstance().getHapContext() as common.UIAbilityContext).cacheDir as string;
console.log('ImageKnife cachesPath = ' + data)
this.filePath = data
this.appFilePath = data;
})
Text(this.imageHint)
Button('files目录创建Folder1和Folder2 验证statSync mkdirSync')
.margin({ top: 10 })
.onClick(() => {
if(this.appFilePath == '' || this.appFilePath == null){
this.imageHint = 'appFilePath未取到值,请按顺序从上往下,从左往右依次测试'
return
}
console.log('files目录创建Folder1和Folder2 验证statSync mkdirSync')
try {
FileUtils.getInstance()
.createFolder(this.appFilePath + '/Folder1');
FileUtils.getInstance()
.createFolder(this.appFilePath + '/Folder2');
} catch (e) {
console.log('appFilePath未取到值,请按顺序从上往下,从左往右依次测试"'+JSON.stringify(e));
}
})
Button('将media资源存入Folder1 验证writeSync mkdirSync createStreamSync')
.margin({ top: 10 })
.onClick(() => {
console.log('将media资源存入Folder1 验证writeSync mkdirSync createStreamSync')
if(this.appFilePath == '' || this.appFilePath == null){
this.appFilePath = 'appFilePath未取到值,请按顺序从上往下,从左往右依次测试'
return
}
((ImageKnifeGlobal.getInstance().getHapContext() as common.UIAbilityContext).resourceManager as resourceManager.ResourceManager)
.getMediaContent($r('app.media.gifSample').id)
.then(data => {
console.log('result.getMedia')
console.log('basicTestFileIOPage - 本地加载资源 解析后数据data length= ' + data.byteLength)
let arrayBuffer = this.typedArrayToBuffer(data);
FileUtils.getInstance().writeFile(this.appFilePath + '/Folder1/jpgSample.gif', arrayBuffer)
this.imageFile = 'file://' + this.appFilePath + '/Folder1/jpgSample.gif'
console.log('Folder1 imaeFile =' + this.imageFile)
})
.catch((err:BusinessError) => {
console.log('basicTestFileIOPage - 本地加载资源err' + JSON.stringify(err as BusinessError));
})
})
Text(this.imageHint2)
Button('copy:Folder1至Folder2 验证copyFileSync')
.margin({ top: 10 })
.onClick(() => {
console.log('copy:Folder1至Folder2 验证copyFileSync')
if(this.appFilePath == '' || this.appFilePath == null){
this.imageHint2 = 'appFilePath未取到值,请按顺序从上往下,从左往右依次测试'
return
}
try {
let filePath1 = this.appFilePath + '/Folder1/jpgSample.gif';
let filePath2 = this.appFilePath + '/Folder2/jpgSample.gif';
FileUtils.getInstance().createFolder(this.appFilePath + '/Folder1')
FileUtils.getInstance().createFolder(this.appFilePath + '/Folder2')
FileUtils.getInstance().copyFile(filePath1, filePath2);
this.imageFile = 'file://' + this.appFilePath + '/Folder2/jpgSample.gif'
console.log('Folder2 imaeFile =' + this.imageFile)
} catch (e) {
console.log('appFilePath未取到值,请按顺序从上往下,从左往右依次测试:'+JSON.stringify(e))
}
})
Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Button('显示空PixelMap')
.margin({ left: 10 })
.onClick(() => {
this.normalPixelMap = true;
this.normalResource = false;
})
Button('显示RES')
.margin({ left: 10 })
.onClick(() => {
this.normalPixelMap = false;
this.normalResource = true;
})
Button('显示String')
.margin({ left: 10 })
.onClick(() => {
this.normalPixelMap = false;
this.normalResource = false;
})
}
Image(this.normalPixelMap ? this.imagePixelMap : (this.normalResource ? this.imageRes : this.imageFile))
.width(200)
.height(200)
.backgroundColor(Color.Pink)
}
.width('100%')
.height('100%')
}
}
typedArrayToBuffer(array: Uint8Array): ArrayBuffer {
return array.buffer.slice(array.byteOffset, array.byteLength + array.byteOffset)
}
}

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/*
* Copyright (C) 2021 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the 'License');
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an 'AS IS' BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import featureAbility from '@ohos.ability.featureAbility';
import { FileUtils } from '@ohos/libraryimageknife'
import { FileTypeUtil } from '@ohos/libraryimageknife'
import resourceManager from '@ohos.resourceManager';
import { Base64 } from '@ohos/libraryimageknife'
import { ParseImageUtil } from '@ohos/libraryimageknife'
import { ImageKnifeGlobal } from '@ohos/libraryimageknife'
import { BusinessError } from '@ohos.base'
import common from '@ohos.app.ability.common';
@Entry
@Component
struct BasicTestMediaImage {
@State imagePixelMap?: PixelMap = undefined;
build() {
Scroll() {
Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Flex({ direction: FlexDirection.Row }) {
Button('本地资源jpg')
.onClick(() => {
((ImageKnifeGlobal.getInstance().getHapContext() as common.UIAbilityContext).resourceManager as resourceManager.ResourceManager)
.getMediaContent($r('app.media.jpgSample').id)
.then(data => {
let arrayBuffer = this.typedArrayToBuffer(data);
let parseImageUtil = new ParseImageUtil();
parseImageUtil.parseImage(arrayBuffer, (pxielmap) => {
this.imagePixelMap = pxielmap;
}, (err:BusinessError|string|undefined) => {
})
})
.catch((err:BusinessError) => {
console.log('basicTestMediaImage - 本地加载资源err' + JSON.stringify(err));
})
}).margin({ left: 15 }).backgroundColor(Color.Blue)
Button('本地资源png')
.onClick(() => {
((ImageKnifeGlobal.getInstance().getHapContext() as common.UIAbilityContext).resourceManager as resourceManager.ResourceManager)
.getMediaContent($r('app.media.pngSample').id)
.then(data => {
let arrayBuffer = this.typedArrayToBuffer(data);
let parseImageUtil = new ParseImageUtil();
parseImageUtil.parseImage(arrayBuffer, (pxielmap) => {
this.imagePixelMap = pxielmap;
},(err:BusinessError|string|undefined) => {
})
})
.catch((err:BusinessError) => {
console.log('basicTestMediaImage - 本地加载资源err' + JSON.stringify(err));
})
}).margin({ left: 15 }).backgroundColor(Color.Blue)
Button('本地资源bmp')
.onClick(() => {
((ImageKnifeGlobal.getInstance().getHapContext() as common.UIAbilityContext).resourceManager as resourceManager.ResourceManager)
.getMediaContent($r('app.media.bmpSample').id)
.then(data => {
let arrayBuffer = this.typedArrayToBuffer(data);
let parseImageUtil = new ParseImageUtil();
parseImageUtil.parseImage(arrayBuffer, (pxielmap) => {
this.imagePixelMap = pxielmap;
}, (err:BusinessError|string|undefined) => {
})
})
.catch((err:BusinessError) => {
console.log('basicTestMediaImage - 本地加载资源err' + JSON.stringify(err));
})
}).margin({ left: 15 }).backgroundColor(Color.Blue)
Button('本地资源webp')
.onClick(() => {
((ImageKnifeGlobal.getInstance().getHapContext() as common.UIAbilityContext).resourceManager as resourceManager.ResourceManager)
.getMediaContent($r('app.media.jpgSample').id)
.then(data => {
let arrayBuffer = this.typedArrayToBuffer(data);
let parseImageUtil = new ParseImageUtil();
parseImageUtil.parseImage(arrayBuffer, (pxielmap) => {
this.imagePixelMap = pxielmap;
}, (err:BusinessError|string|undefined) => {
})
})
.catch((err:BusinessError) => {
console.log('basicTestMediaImage - 本地加载资源err' + JSON.stringify(err));
})
}).margin({ left: 15 }).backgroundColor(Color.Blue)
Button('本地资源gif')
.onClick(() => {
((ImageKnifeGlobal.getInstance().getHapContext() as common.UIAbilityContext).resourceManager as resourceManager.ResourceManager)
.getMediaContent($r('app.media.gifSample').id)
.then(data => {
let arrayBuffer = this.typedArrayToBuffer(data);
let parseImageUtil = new ParseImageUtil();
parseImageUtil.parseImage(arrayBuffer, (pxielmap) => {
this.imagePixelMap = pxielmap;
}, (err:BusinessError|string|undefined) => {
})
})
.catch((err:BusinessError) => {
console.log('basicTestMediaImage - 本地加载资源err' + JSON.stringify(err));
})
}).margin({ left: 15 }).backgroundColor(Color.Blue)
}
.margin({ top: 15 })
Image(this.imagePixelMap)
.width(300)
.height(300)
.backgroundColor(Color.Pink)
}
}
.width('100%')
.height('100%')
}
typedArrayToBuffer(array: Uint8Array): ArrayBuffer {
return array.buffer.slice(array.byteOffset, array.byteLength + array.byteOffset)
}
}

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/*
* Copyright (C) 2021 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the 'License');
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an 'AS IS' BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import featureAbility from '@ohos.ability.featureAbility';
import {FileUtils} from '@ohos/libraryimageknife'
import {FileTypeUtil} from '@ohos/libraryimageknife'
import resourceManager from '@ohos.resourceManager';
import {Base64} from '@ohos/libraryimageknife'
import {ImageKnifeGlobal} from '@ohos/libraryimageknife'
import { BusinessError } from '@ohos.base'
import common from '@ohos.app.ability.common';
@Entry
@Component
struct BasicTestResourceManagerPage {
@State fileTypeStr: string = '解析后图片类型';
build() {
Scroll() {
Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Text(this.fileTypeStr).fontSize(20)
.width(300).height(200).backgroundColor(Color.Pink)
Button('getMedia解析一张jpg图片')
.margin({ top: 10 })
.onClick(() => {
((ImageKnifeGlobal.getInstance().getHapContext() as common.UIAbilityContext).resourceManager as resourceManager.ResourceManager)
.getMediaContent($r('app.media.jpgSample')
.id)
.then(data => {
console.log('basicTestFileIOPage - 本地加载资源 解析后数据data = ' + data)
let arrayBuffer = this.typedArrayToBuffer(data);
let filetypeUtil = new FileTypeUtil();
let fileType = filetypeUtil.getFileType(arrayBuffer);
if(fileType != null) {
this.fileTypeStr = fileType;
}
})
.catch((err:BusinessError) => {
console.log('basicTestFileIOPage - 本地加载资源err' + JSON.stringify(err));
})
})
Button('getMediaBase64解析一张png图片')
.margin({ top: 10 })
.onClick(() => {
((ImageKnifeGlobal.getInstance().getHapContext() as common.UIAbilityContext).resourceManager as resourceManager.ResourceManager)
.getMediaContentBase64($r('app.media.pngSample')
.id)
.then(data => {
console.log('ParseResClientBase64 - 本地加载资源 解析后数据data')
let matchReg = ';base64,';
let firstIndex = data.indexOf(matchReg);
data = data.substring(firstIndex + matchReg.length, data.length)
console.log('ParseResClientBase64 - 本地加载资源 解析后数据剔除非必要数据后data= ' + data)
let arrayBuffer = Base64.getInstance()
.decode(data);
let filetypeUtil = new FileTypeUtil();
let fileType = filetypeUtil.getFileType(arrayBuffer);
if(fileType != null) {
this.fileTypeStr = fileType;
}
})
.catch((err:BusinessError) => {
console.log('basicTestFileIOPage - 本地加载资源err' + JSON.stringify(err));
})
})
}
}
.width('100%')
.height('100%')
}
typedArrayToBuffer(array: Uint8Array): ArrayBuffer {
return array.buffer.slice(array.byteOffset, array.byteLength + array.byteOffset)
}
}

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@ -0,0 +1,152 @@
/*
* Copyright (C) 2021 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import {ImageKnife} from '@ohos/libraryimageknife'
import {OnRenameListener} from '@ohos/libraryimageknife'
import {OnCompressListener} from '@ohos/libraryimageknife'
import {ImageKnifeGlobal} from '@ohos/libraryimageknife'
@Entry
@Component
struct CompressPage {
@State mRPixelMap?: PixelMap = undefined;
@State mFPixelMap?: PixelMap = undefined;
@State mResultText: string= "压缩回调结果"
@State mResultPath: string= "压缩路径:"
@State mAsyncPath: string= ""
@State mAsyncPathHint: string= ""
build() {
Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Center }) {
Column() {
Column() {
Text("Resource image compress").fontColor(Color.Gray).fontSize(16);
Button() {
Text("同步压缩").fontSize(13).fontColor(Color.White)
}
.height(35)
.width(120)
.margin({ top: 10 })
.onClick(() => {
this.compressAsyncRecource();
});
Scroll(){
Text(this.mAsyncPathHint).fontSize(13)
}
.height(55)
.width(350)
Image(this.mAsyncPath)
.width(200)
.height(200)
.margin({ top: 10 })
.backgroundColor(Color.Pink)
Button() {
Text($r("app.string.resource_image_compress")).fontSize(13).fontColor(Color.White)
}
.height(35)
.width(120)
.margin({ top: 10 })
.onClick(() => {
this.cropressRecource();
});
Image(this.mRPixelMap == undefined?'': this.mRPixelMap!)
.width(200)
.height(200)
.margin({ top: 10 })
Text(this.mResultText).fontColor(Color.Gray).fontSize(16);
Text(this.mResultPath).fontColor(Color.Gray).fontSize(16);
}.margin({ top: 10 });
Column() {
Text("file image compress").fontColor(Color.Gray).fontSize(16);
Button() {
Text($r("app.string.file_image_compress")).fontSize(13).fontColor(Color.White)
}
.height(35)
.width(120)
.margin({ top: 10 })
.onClick(() => {
});
Image(this.mFPixelMap == undefined ?'':this.mFPixelMap!)
.width(200)
.height(200)
.margin({ top: 10 });
}.margin({ top: 10 }).visibility(Visibility.Hidden);
}.margin({ bottom: 30 });
}.width('100%').height('100%');
}
private compressAsyncRecource() {
let data = new Array<Resource>();
data.push($r('app.media.jpgSample'))
let imageKnife:ImageKnife|undefined = ImageKnifeGlobal.getInstance().getImageKnife()
if(imageKnife!=undefined) {
imageKnife
.compressBuilder()
.load(data)
.ignoreBy(100)
.get()
.then((path: string) => {
this.mAsyncPathHint = path;
this.mAsyncPath = 'file://' + path;
});
}
console.info("asasd start compress end")
}
private cropressRecource() {
let data = new Array<Resource>();
data.push($r('app.media.jpgSample'))
let rename: OnRenameListener = {
reName() {
return "test_1.jpg";
}
}
let listener: OnCompressListener = {
start:()=>{
this.mResultText = "start"
console.info("asasd start")
},
onSuccess:(p: PixelMap | null | undefined, path: string)=> {
if(p!=null && p!=undefined) {
let pack = p;
this.mRPixelMap = pack as PixelMap;
console.info("asasd success path:" + this.mRPixelMap)
this.mResultText = "success";
this.mResultPath = path;
}
},
onError:(s: string)=>{
console.info("asasd onError:" + s)
this.mResultText = "fail";
}
}
console.info("asasd start compress")
let imageKnife:ImageKnife|undefined = ImageKnifeGlobal.getInstance().getImageKnife()
if(imageKnife != undefined) {
imageKnife
.compressBuilder()
.load(data)
.ignoreBy(100)
.setRenameListener(rename)
.setCompressListener(listener)
.launch();
}
console.info("asasd start compress end")
}
}

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@ -0,0 +1,107 @@
/*
* Copyright (C) 2021 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the 'License');
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an 'AS IS' BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { CropImage } from '@ohos/libraryimageknife'
import { CropOptions } from '@ohos/libraryimageknife'
import { Crop } from '@ohos/libraryimageknife'
import { RecourseProvider } from '@ohos/libraryimageknife'
import { PixelMapCrop,Options } from '@ohos/libraryimageknife'
import { CropCallback } from '@ohos/libraryimageknife'
import { FileUtils } from '@ohos/libraryimageknife'
import { ImageKnifeGlobal } from '@ohos/libraryimageknife'
import { BusinessError } from '@ohos.base'
import resourceManager from '@ohos.resourceManager';
import common from '@ohos.app.ability.common'
@Entry
@Component
export struct CropImagePage2 {
@State options1: Options = new Options();
@State cropTap: boolean = false;
@State width1: number = 0;
@State height1: number = 0;
@State _rotate: number = 0;
@State _scale: number = 1;
private _resource: Resource = $r('app.media.bmpSample');
private settings: RenderingContextSettings = new RenderingContextSettings(true)
private canvasContext: CanvasRenderingContext2D = new CanvasRenderingContext2D(this.settings)
build() {
Scroll() {
Column() {
Button('点击解析图片')
.onClick(() => {
((ImageKnifeGlobal.getInstance().getHapContext() as common.UIAbilityContext).resourceManager as resourceManager.ResourceManager)
.getMediaContent($r('app.media.bmpSample').id)
.then((data:Uint8Array) => {
let arrayBuffer = FileUtils.getInstance().uint8ArrayToBuffer(data);
let optionx = new Options();
optionx.setWidth(800)
.setHeight(800)
.setCropFunction((err:BusinessError|string, pixelmap:PixelMap|null, sx:number, sy:number) => {
console.log('PMC setCropFunction callback')
if (err) {
console.error('PMC crop err =' + err)
} else {
this.width1 = sx * px2vp(1);
this.height1 = sy * px2vp(1);
if(pixelmap != null) {
this.canvasContext.drawImage(pixelmap, 0, 0, this.width1, this.height1)
}
}
})
optionx.loadBuffer(arrayBuffer, () => {
this.options1 = optionx;
})
})
})
PixelMapCrop({ options: $options1, cropTap: this.cropTap })
Button('点击裁剪图片')
.onClick(() => {
this.cropTap = !this.cropTap;
})
Canvas(this.canvasContext)
.width(this.width1)
.height(this.height1)
.rotate({
z: 1,
centerX: this.width1 / 2,
centerY: this.height1 / 2,
angle: this._rotate
})
.scale({ x: this._scale, y: this._scale, z: 1.0 })
.gesture(GestureGroup(GestureMode.Parallel,
RotationGesture({ fingers: 2 }).onActionUpdate((event?: GestureEvent) => {
if(event != undefined) {
this._rotate = event.angle;
}
}), PinchGesture({ fingers: 2 }).onActionUpdate((event?: GestureEvent) => {
if(event != undefined) {
this._scale = event.scale;
}
})))
}
.backgroundColor(Color.Brown)
.width('100%')
}
}
}

View File

@ -18,23 +18,23 @@ import { photoAccessHelper } from '@kit.MediaLibraryKit';
@Entry
@ComponentV2
@Component
struct DataShareUriLoadPage {
@Local imageKnifeOption1: ImageKnifeOption =
new ImageKnifeOption({
@State imageKnifeOption1: ImageKnifeOption =
{
loadSrc: $r('app.media.icon'),
placeholderSrc: $r('app.media.loading'),
errorholderSrc: $r('app.media.failed')
});
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed')
};
build() {
Scroll() {
Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Text($r('app.string.Retrieve_media_gallery')).fontSize(15)
Text("获取媒体图库的uri用ImageKnife展示").fontSize(15)
Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Button($r('app.string.Click_load_Uri'))
Button("点击加载Uri并展示")
.onClick(async () => {
let photoSelectOptions = new photoAccessHelper.PhotoSelectOptions();
photoSelectOptions.MIMEType = photoAccessHelper.PhotoViewMIMETypes.IMAGE_TYPE;
@ -43,10 +43,10 @@ struct DataShareUriLoadPage {
let photoViewPicker = new photoAccessHelper.PhotoViewPicker();
let photoSelectResult: photoAccessHelper.PhotoSelectResult = await photoViewPicker.select(photoSelectOptions);
uris = photoSelectResult.photoUris;
this.imageKnifeOption1 = new ImageKnifeOption({
this.imageKnifeOption1 = {
loadSrc: uris[0],
placeholderSrc:$r('app.media.loading')
})
placeholderSrc:$r('app.media.icon_loading')
}
}).margin({ top: 5, left: 3 })
ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption1 }).width(300).height(300)
}.width('100%').backgroundColor(Color.Pink)

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@ -0,0 +1,366 @@
/*
* Copyright (C) 2024 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import {
FitCenter,
ImageKnifeComponent,
ImageKnifeData,
ImageKnifeGlobal,
ImageKnifeOption,
RequestOption
} from '@ohos/libraryimageknife'
import { BusinessError } from '@ohos.base'
import { fitter, sampleNone } from '@ohos/imageknife';
let pngUrl = $r('app.media.pngSample');
let jpgUrl = $r('app.media.jpgSample');
let svgUrl = $r('app.media.svgSample');
let gifUrl = $r('app.media.gifSample');
let bmpUrl = $r('app.media.bmpSample');
let webpUrl = $r('app.media.webpSample');
let imageKnife = ImageKnifeGlobal.getInstance().getImageKnife();
@Entry
@Component
struct Index {
@State originalMSquarePixelMap?: PixelMap = undefined;
@State mSquarePixelMap?: PixelMap = undefined;
@State h: number = 0
@State w: number = 0
@State originalBytesNumber: number = 0
@State bytesNumber: number = 0
@State url: string = ''
@State network: Boolean = false
@State imageKnifeOption: ImageKnifeOption = {
loadSrc: $r('app.media.icon'),
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed')
}
transformSquare1(mUrl: string|Resource|PixelMap) {
let imageKnifeOption: RequestOption = new RequestOption();
imageKnifeOption.load(mUrl)
.addListener({
callback: (err: BusinessError | string, data: ImageKnifeData) => {
this.originalMSquarePixelMap = data.drawPixelMap?.imagePixelMap as PixelMap;
this.originalBytesNumber = (data.drawPixelMap?.imagePixelMap as PixelMap).getPixelBytesNumber()
return false;
}
})
imageKnife?.call(imageKnifeOption);
}
transformSquare2(mUrl: string|Resource|PixelMap) {
let imageKnifeOption: RequestOption = new RequestOption();
let a = new fitter()
imageKnifeOption.load(mUrl)
.addListener({
callback: (err: BusinessError | string, data: ImageKnifeData) => {
this.mSquarePixelMap = data.drawPixelMap?.imagePixelMap as PixelMap;
this.bytesNumber = (data.drawPixelMap?.imagePixelMap as PixelMap).getPixelBytesNumber()
return false;
}
})
.setImageViewSize({ width: this.w, height: this.h })
.downsampleOf(a)
imageKnife?.call(imageKnifeOption);
}
@Builder
TextInputSample() {
Flex() {
TextInput({ placeholder: '输入宽' })
.onChange((enterKeyType) => {
this.w = Number(enterKeyType)
})
TextInput({ placeholder: '输入高' })
.onChange((enterKeyType) => {
this.h = Number(enterKeyType)
})
}.padding(20)
}
build() {
Scroll() {
Column() {
Row() {
Button('切换网络图片')
.onClick(() => {
this.network = !this.network
})
Text('输入网络图片url')
TextInput({ placeholder: '输入url' })
.onChange((urls) => {
this.url = urls
})
}
if (this.network) {
Column() {
Text('原图')
Flex() {
Button('png')
.onClick(() => {
this.transformSquare1(this.url);
});
Button('svg')
.onClick(() => {
this.transformSquare1(this.url);
});
Button('bmp')
.onClick(() => {
this.transformSquare1(this.url);
});
Button('jpg')
.onClick(() => {
this.transformSquare1(this.url);
});
// Button('gif')
// .onClick(() => {
// this.transformSquare1(this.url);
//
// });
// Button('webp')
// .onClick(() => {
// this.transformSquare1(this.url);
//
// });
}.margin({ top: 20, bottom: 20 })
Text("原图字节大小:" + this.originalBytesNumber)
Column() {
if (this.originalMSquarePixelMap) {
Image(this.originalMSquarePixelMap == undefined ? '' : this.originalMSquarePixelMap!)
.objectFit(ImageFit.Fill)
.width(200)
.height(200)
.margin({ top: 10 })
}
Text('component用法')
}.height(300).width('100%').backgroundColor(Color.Pink)
Text('降采样图片')
Flex() {
Button('png')
.onClick(() => {
this.transformSquare2(this.url);
this.imageKnifeOption = {
loadSrc: pngUrl,
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
downsampling: new fitter()
}
});
Button('svg')
.onClick(() => {
this.transformSquare2(this.url);
this.imageKnifeOption = {
loadSrc: svgUrl,
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
downsampling: new fitter()
}
});
Button('bmp')
.onClick(() => {
this.transformSquare2(this.url);
this.imageKnifeOption = {
loadSrc: bmpUrl,
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
downsampling: new fitter()
}
});
Button('jpg')
.onClick(() => {
this.transformSquare2(this.url);
this.imageKnifeOption = {
loadSrc: jpgUrl,
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
downsampling: new fitter()
}
});
// Button('gif')
// .onClick(() => {
// // this.transformSquare2(this.url);
// this.imageKnifeOption = {
// loadSrc: gifUrl,
// placeholderSrc: $r('app.media.icon_loading'),
// errorholderSrc: $r('app.media.icon_failed'),
// downsampling: new fitter()
// }
// });
// Button('webp')
// .onClick(() => {
// // this.transformSquare2(this.url);
// this.imageKnifeOption = {
// loadSrc: webpUrl,
// placeholderSrc: $r('app.media.icon_loading'),
// errorholderSrc: $r('app.media.icon_failed'),
// downsampling: new fitter()
// }
// });
}.margin({ top: 20, bottom: 20 })
Text("降采样字节大小:" + this.bytesNumber)
this.TextInputSample()
Column() {
if (this.mSquarePixelMap) {
Image(this.mSquarePixelMap == undefined ? '' : this.mSquarePixelMap!)
.objectFit(ImageFit.Fill)
.width(200)
.height(200)
.margin({ top: 10 })
}
Text('component用法')
ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption }).width(200).height(200)
}.height(300).width('100%').backgroundColor(Color.Pink)
}.backgroundColor(Color.Orange)
} else {
Column() {
Text('原图')
Flex() {
Button('png')
.onClick(() => {
this.transformSquare1(pngUrl);
});
Button('svg')
.onClick(() => {
this.transformSquare1(svgUrl);
});
Button('bmp')
.onClick(() => {
this.transformSquare1(bmpUrl);
});
Button('jpg')
.onClick(() => {
this.transformSquare1(jpgUrl);
});
// Button('gif')
// .onClick(() => {
// this.transformSquare1(gifUrl);
//
// });
// Button('webp')
// .onClick(() => {
// this.transformSquare1(webpUrl);
//
// });
}.margin({ top: 20, bottom: 20 })
Text("原图字节大小:" + this.originalBytesNumber)
Column() {
if (this.originalMSquarePixelMap) {
Image(this.originalMSquarePixelMap == undefined ? '' : this.originalMSquarePixelMap!)
.objectFit(ImageFit.Fill)
.width(200)
.height(200)
.margin({ top: 10 })
}
Text('component用法')
}.height(300).width('100%').backgroundColor(Color.Pink)
Text('降采样图片')
Flex() {
Button('png')
.onClick(() => {
this.transformSquare2(pngUrl);
this.imageKnifeOption = {
loadSrc: pngUrl,
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
}
});
Button('svg')
.onClick(() => {
this.transformSquare2(svgUrl);
this.imageKnifeOption = {
loadSrc: svgUrl,
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
}
});
Button('bmp')
.onClick(() => {
this.transformSquare2(bmpUrl);
this.imageKnifeOption = {
loadSrc: bmpUrl,
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
}
});
Button('jpg')
.onClick(() => {
this.transformSquare2(jpgUrl);
this.imageKnifeOption = {
loadSrc: jpgUrl,
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
}
});
// Button('gif')
// .onClick(() => {
// // this.transformSquare2(gifUrl);
// this.imageKnifeOption = {
// loadSrc: gifUrl,
// placeholderSrc: $r('app.media.icon_loading'),
// errorholderSrc: $r('app.media.icon_failed'),
// }
// });
// Button('webp')
// .onClick(() => {
// // this.transformSquare2(webpUrl);
// this.imageKnifeOption = {
// loadSrc: webpUrl,
// placeholderSrc: $r('app.media.icon_loading'),
// errorholderSrc: $r('app.media.icon_failed'),
// }
// });
}.margin({ top: 20, bottom: 20 })
Text("降采样字节大小:" + this.bytesNumber)
this.TextInputSample()
Column() {
if (this.mSquarePixelMap) {
Image(this.mSquarePixelMap == undefined ? '' : this.mSquarePixelMap!)
.objectFit(ImageFit.Fill)
.width(200)
.height(200)
.margin({ top: 10 })
}
Text('component用法')
ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption }).width(200).height(200)
}.height("100%").width('100%').backgroundColor(Color.Pink)
}
}
}
}
.height('100%')
}
}

View File

@ -0,0 +1,98 @@
/*
* Copyright (C) 2022 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import router from '@system.router';
import {
ImageKnifeComponent,
ImageKnifeOption,
ImageKnifeDrawFactory,
ScaleType
} from '@ohos/libraryimageknife'
@Entry
@Component
struct DrawFactoryTestPage {
types:Array<ScaleType> = [ScaleType.FIT_START,ScaleType.FIT_END,ScaleType.FIT_CENTER,ScaleType.CENTER,ScaleType.CENTER_CROP,ScaleType.FIT_XY,ScaleType.CENTER_INSIDE,ScaleType.NONE]
@State msg:string = `当前ScaleType${this.types[0]}`
@State imageKnifeOption1: ImageKnifeOption =
{
loadSrc:"https://xximg1.meitudata.com/2LqS1vmqv0.png!thumb-w321-webp75",
mainScaleType: this.types[0],
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
drawLifeCycle:ImageKnifeDrawFactory.createOvalLifeCycle(15,'#ff000000')
}
@State imageKnifeOption2: ImageKnifeOption =
{
loadSrc:"https://xximg1.meitudata.com/2LqS1vmqv0.png!thumb-w321-webp75",
mainScaleType: this.types[0],
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
drawLifeCycle:ImageKnifeDrawFactory.createRoundLifeCycle(10,'#ff000000',30)
}
count:number = 0;
build() {
Scroll() {
Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Text("用例看护DrawFactory").fontSize(15)
Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Button(this.msg)
.onClick(() => {
this.count++;
let index= this.count % this.types.length;
this.msg = `当前ScaleType${this.types[index]}`
this.imageKnifeOption1 = {
loadSrc:"https://xximg1.meitudata.com/2LqS1vmqv0.png!thumb-w321-webp75",
mainScaleType: this.types[index],
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
drawLifeCycle:ImageKnifeDrawFactory.createOvalLifeCycle(15,'#ff000000')
}
this.imageKnifeOption2 = {
loadSrc:"https://xximg1.meitudata.com/2LqS1vmqv0.png!thumb-w321-webp75",
mainScaleType: this.types[index],
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
drawLifeCycle:ImageKnifeDrawFactory.createRoundLifeCycle(10,'#ff000000',30)
}
}).margin({ top: 15, bottom:15 })
ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption1 }).width('100%').height(300).backgroundColor(Color.Orange)
ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption2 }).width('100%').height(300).backgroundColor(Color.Orange)
.margin({ top: 15, bottom:15 })
}
.width('100%').height('100%').backgroundColor(Color.Pink)
}.width('100%')
}
.width('100%')
.height('100%')
}
}

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/*
* Copyright (C) 2021 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import {ImageKnifeComponent} from '@ohos/libraryimageknife'
import {ImageKnifeOption} from '@ohos/libraryimageknife'
import {RotateImageTransformation} from '@ohos/libraryimageknife'
import {RoundedCornersTransformation} from '@ohos/libraryimageknife'
@Entry
@Component
struct FrescoImageTestCasePage {
@State imageKnifeOption1: ImageKnifeOption =
{
loadSrc: "https://thirdwx.qlogo.cn/mmopen/vi_32/DYAIOgq83ericA1Mv66TwicuYOtbDMBcUhv1aa9RJBeAn9uURfcZD0AUGrJebAn1g2AjN0vb2E1XTET7fTuLBNmA/132",
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
retryholderSrc: $r('app.media.icon_retry'),
displayProgress: true,
canRetryClick:true
};
@State ImageKnifeOption: ImageKnifeOption =
{
loadSrc: "https://hbimg.huabanimg.com/0ef60041445edcfd6b38d20e19024b2cd9281dcc3525a4-Vy8fYO_fw658/format/webp",
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
retryholderSrc: $r('app.media.icon_retry'),
displayProgress: true,
canRetryClick:true
};
@State imageKnifeOption3: ImageKnifeOption =
{
loadSrc: "https://hbimg.huabanimg.com/95a6d37a39aa0b70d48fa18dc7df8309e2e0e8e85571e-x4hhks_fw658/format/webp",
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
retryholderSrc: $r('app.media.icon_retry'),
displayProgress: true,
canRetryClick:true
};
@State imageKnifeOption4: ImageKnifeOption =
{
loadSrc: "https://hbimg.huabanimg.com/testRetryxxxx",
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
retryholderSrc: $r('app.media.icon_retry'),
displayProgress: true,
canRetryClick:true
};
build() {
Scroll() {
Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
// ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption1 })
// ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption })
// ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption3 })
ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption4 })
.width(300)
.height(300)
}
}
.width('100%')
.height('100%')
}
}

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/*
* Copyright (C) 2023 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { ImageKnifeComponent, ImageKnifeOption, FileUtils,ImageKnifeGlobal } from '@ohos/libraryimageknife'
import common from '@ohos.app.ability.common'
@Entry
@Component
struct Index {
@State imageOption1:ImageKnifeOption = {
loadSrc: $r('app.media.icon'),
}
@State imageOption2:ImageKnifeOption = {
loadSrc: $r('app.media.icon'),
}
@State imageOption3:ImageKnifeOption = {
loadSrc: $r('app.media.icon'),
}
build() {
Scroll() {
Column() {
Button('点击加载网络图片').onClick(()=>{
this.imageOption2 = {
loadSrc: 'https://hbimg.huabanimg.com/cc6af25f8d782d3cf3122bef4e61571378271145735e9-vEVggB',
}
})
ImageKnifeComponent({imageKnifeOption:this.imageOption2}).width(300).height(300).backgroundColor(Color.Pink)
Button('点击加载本地文件').onClick(()=>{
let ctx:Object|undefined = ImageKnifeGlobal.getInstance().getHapContext();
if(ctx != undefined){
let path = (ctx as common.UIAbilityContext).filesDir+"/set.jpeg";
FileUtils.getInstance().readFilePicAsync(path).then(buffer=>{
this.imageOption3 = {
loadSrc: path
}
})
}
})
ImageKnifeComponent({imageKnifeOption:this.imageOption3}).width(300).height(300).backgroundColor(Color.Pink)
}.width('100%')
}
.width('100%')
.height('100%')
}
}

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/*
* Copyright (C) 2022 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import router from '@ohos.router';
@Entry
@Component
struct IndexFunctionDemo {
@State hint1: string = '启用网络模拟加载替换网络加载'
build() {
Scroll() {
Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Text("OHOS基础接口测试列表").fontSize(15)
Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Button("测试元能力")
.onClick(() => {
console.log("测试List列表")
router.pushUrl({ url: "pages/basicTestFeatureAbilityPage" });
}).margin({ top: 5, left: 3 })
Button("测试文件")
.onClick(() => {
console.log("测试文件子系统")
router.pushUrl({ url: "pages/basicTestFileIOPage" });
}).margin({ top: 5, left: 3 })
Button("优先级加载")
.onClick(() => {
console.log("优先级加载")
router.pushUrl({ url: "pages/testPriorityComponent" });
}).margin({ top: 5, left: 3 })
Button("下采样加载")
.onClick(() => {
router.pushUrl({ url: "pages/downsamplingPage" });
}).margin({ top: 5, left: 3 })
}.width('100%').height(60).backgroundColor(Color.Pink)
Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Button("测试全球化")
.onClick(() => {
console.log("测试全球化子系统")
router.pushUrl({ url: "pages/basicTestResourceManagerPage" });
}).margin({ top: 5, left: 3 })
Button("测试媒体")
.onClick(() => {
console.log("测试媒体子系统")
router.pushUrl({ url: "pages/basicTestMediaImage" });
}).margin({ top: 5, left: 3 })
}.width('100%').height(60).backgroundColor(Color.Pink)
Text("测试图片切换功能点").fontSize(15)
Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Button("测试图片切换")
.onClick(() => {
console.log("测试ImageKnifeComponent所有图片切换")
router.pushUrl({ url: "pages/testImageKnifeOptionChangedPage" });
}).margin({ top: 5, left: 3 })
Button("测试图片高度自适应")
.onClick(() => {
console.log("测试ImageKnifeComponent图片高度自适应")
router.pushUrl({ url: "pages/testImageKnifeAutoHeightPage" });
}).margin({ top: 5, left: 3 })
Button("测试gif播放次数")
.onClick(() => {
router.pushUrl({ url: "pages/testGifPlayTimesPage" });
}).margin({ top: 15 })
}.width('100%').height(60).backgroundColor(Color.Pink)
Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Button("测试图片宽度自适应")
.onClick(() => {
console.log("测试ImageKnifeComponent图片宽度自适应")
router.pushUrl({ url: "pages/testImageKnifeAutoWidthPage" });
}).margin({ top: 5, left: 3 })
Button("测试图片宽高自适应")
.onClick(() => {
console.log("测试ImageKnifeComponent图片宽高自适应")
router.pushUrl({ url: "pages/testImageKnifeAutoPage" });
}).margin({ top: 5, left: 3 })
}.width('100%').height(60).backgroundColor(Color.Pink)
Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Button("测试thumbnail")
.onClick(() => {
console.log("测试ImageKnifeComponent thumbnail")
router.pushUrl({ url: "pages/testImageKnifeOptionChangedPage2" });
}).margin({ top: 5, left: 3 })
Button("测试RequestOption加载图片")
.onClick(() => {
console.log("测试RequestOption加载图片")
router.pushUrl({ url: "pages/RequestOptionLoadImage" });
}).margin({ top: 5, left: 3 })
}.width('100%').height(60).backgroundColor(Color.Pink)
Text("测试缓存功能点").fontSize(15)
Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Button("测试内存缓存LRU")
.onClick(() => {
console.log("测试一级内存缓存")
router.pushUrl({ url: "pages/storageTestLruCache" });
}).margin({ top: 5, left: 3 })
Button("测试所有缓存信息输出")
.onClick(() => {
console.log("pages/testAllCacheInfoPage 页面跳转")
router.pushUrl({ url: "pages/testAllCacheInfoPage" });
}).margin({ top: 5, left: 3 })
}.width('100%')
.height(60).backgroundColor(Color.Pink)
Text("测试复用场景").fontSize(15)
Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Button("可视区加载")
.onClick(() => {
router.pushUrl({ url: "pages/testVisiblePage" });
}).margin({ top: 5, left: 3 })
Button("懒加载复用列表")
.onClick(() => {
console.log("测试一级内存缓存")
router.pushUrl({ url: "pages/testReusePhotoPage" });
}).margin({ top: 5, left: 3 })
Button("适配复用场景")
.onClick(() => {
console.log("测试一级内存缓存")
router.pushUrl({ url: "pages/testReuseAblePages" });
}).margin({ top: 5, left: 3 })
}.width('100%')
.height(60).backgroundColor(Color.Pink)
Text("测试占位图 失败占位图 功能点").fontSize(15)
Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Button("测试失败占位图")
.onClick(() => {
console.log("测试失败占位图")
router.pushUrl({ url: "pages/showErrorholderTestCasePage" });
}).margin({ top: 5, left: 3 })
}.width('100%').height(60).backgroundColor(Color.Pink)
Text("测试预加载 gif静态动态切换功能点").fontSize(15)
Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Button("测试预加载")
.onClick(() => {
console.log("测试预加载")
router.pushUrl({ url: "pages/testPreloadPage" });
}).margin({ top: 5, left: 3 })
Button("测试磁盘预加载返回string")
.onClick(() => {
console.log("测试预加载测试磁盘预加载返回string")
router.pushUrl({ url: "pages/testDiskPreLoadPage" });
}).margin({ top: 5, left: 3 })
}.width('100%').height(60).backgroundColor(Color.Pink)
Text("测试图片变换 图片压缩 功能点").fontSize(15)
Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Button("测试图片变换")
.onClick(() => {
console.log("测试图片变换")
router.pushUrl({ url: "pages/transformPixelMapPage" });
}).margin({ top: 5, left: 3 })
Button("图片组合变换")
.onClick(() => {
console.log("图片组合变换")
router.pushUrl({ url: "pages/transformsPage" });
}).margin({ top: 5, left: 3 })
Button("测试图片压缩")
.onClick(() => {
console.log("测试图片压缩")
router.pushUrl({ url: "pages/compressPage" });
}).margin({ top: 5, left: 3 })
}.width('100%').height(60).backgroundColor(Color.Pink)
Text("测试缓存规则和重试").fontSize(15)
Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Button("更改缓存规则")
.onClick(() => {
console.log("更改缓存规则")
router.pushUrl({ url: "pages/CacheRuleChangedPage" });
}).margin({ top: 5, left: 3 })
Button("重试Retry")
.onClick(() => {
console.log("重试Retry")
router.pushUrl({ url: "pages/frescoRetryTestCasePage" });
}).margin({ top: 5, left: 3 })
Button("加载媒体库uri")
.onClick(() => {
console.log("加载媒体库uri")
router.pushUrl({ url: "pages/dataShareUriLoadPage" });
}).margin({ top: 5, left: 3 })
}.width('100%').height(60).backgroundColor(Color.Pink)
Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Button("测试Option缓存是否生效")
.onClick(() => {
console.log("测试Option缓存是否生效")
router.pushUrl({ url: "pages/OptionTestPage" });
}).margin({ top: 5, left: 3 })
Button("测试Signature自定义缓存")
.onClick(() => {
console.log("测试Signature自定义缓存")
router.pushUrl({ url: "pages/SignatureTestPage" });
}).margin({ top: 5, left: 3 })
}.width('100%').height(60).backgroundColor(Color.Pink)
Text("测试pngj和裁剪").fontSize(15)
Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Button("测试pngj")
.onClick(() => {
console.log("测试pngj")
router.pushUrl({ url: "pages/pngjTestCasePage" });
}).margin({ top: 5, left: 3 })
Button("图片裁剪")
.onClick(() => {
console.log("图片裁剪")
router.pushUrl({ url: "pages/cropImagePage2" });
}).margin({ top: 5, left: 3 })
}.width('100%').height(60).backgroundColor(Color.Pink)
Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Button("测试svg")
.onClick(() => {
console.log("pages/svgTestCasePage 页面跳转")
router.pushUrl({ url: "pages/svgTestCasePage" });
}).margin({ top: 15 })
Button("测试特殊gif图Image对比")
.onClick(() => {
router.pushUrl({ url: "pages/TestDurationAndPlayTimesPage" });
}).margin({ top: 15 })
}.width('100%').height(60).backgroundColor(Color.Pink)
Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Button("组件显式动画")
.onClick(() => {
console.log("pages/testImageKnifeOptionChangedPage3 页面跳转")
router.pushUrl({ url: "pages/testImageKnifeOptionChangedPage3" });
}).margin({ top: 15 })
Button("组件内容动画")
.onClick(() => {
console.log("pages/testImageKnifeOptionChangedPage4 页面跳转")
router.pushUrl({ url: "pages/testImageKnifeOptionChangedPage4" });
}).margin({ top: 15 })
Button("自定义圆角椭圆")
.onClick(() => {
console.log("pages/testImageKnifeOptionChangedPage5 页面跳转")
router.pushUrl({ url: "pages/testImageKnifeOptionChangedPage5" });
}).margin({ top: 15 })
}.width('100%').height(60).backgroundColor(Color.Pink)
Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Button("大量照片")
.onClick(() => {
console.log("pages/manyPhotoShowPage 页面跳转")
router.pushUrl({ url: "pages/manyPhotoShowPage" });
}).margin({ top: 15 })
Button("部分url测试")
.onClick(() => {
console.log("pages/tempUrlTestPage 页面跳转")
router.pushUrl({ url: "pages/tempUrlTestPage" });
}).margin({ top: 15 })
Button("测试drawFactory")
.onClick(() => {
console.log("pages/drawFactoryTestPage 页面跳转")
router.pushUrl({ url: "pages/drawFactoryTestPage" });
}).margin({ top: 15 })
}.width('100%').height(60).backgroundColor(Color.Pink)
Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Button("图片暂停和恢复")
.onClick(() => {
console.log("pages/photosPausedResumedPage 页面跳转")
router.pushUrl({ url: "pages/photosPausedResumedPage" });
}).margin({ top: 15 })
Button("List滑动暂停和恢复")
.onClick(() => {
console.log("pages/photosPausedResumedPage2 页面跳转")
router.pushUrl({ url: "pages/photosPausedResumedPage2" });
}).margin({ top: 15 })
}.width('100%').height(60).backgroundColor(Color.Pink)
Text("单帧gif测试").fontSize(15)
Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Button("单帧gif测试")
.onClick(() => {
router.pushUrl({ url: "pages/testSingleFrameGifPage" });
}).margin({ top: 5, left: 3 })
Button("webp测试")
.onClick(() => {
router.pushUrl({ url: "pages/webpImageTestPage" });
}).margin({ top: 5, left: 3 })
}.width('100%').height(60).backgroundColor(Color.Pink)
Text("worker测试").fontSize(15)
Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Button("gif加载测试已转移,worker不再使用")
.onClick(() => {
}).margin({ top: 5, left: 3 })
}.width('100%').height(60).backgroundColor(Color.Pink)
Text("HSP相关测试").fontSize(15)
Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Button("进入HSP的library共享包")
.onClick(() => {
router.pushUrl({ url: '@bundle:com.openharmony.imageknife/sharedlibrary/ets/pages/Index' })
.then(() => {
console.log('push page suceess')
})
}).margin({ top: 15 })
Button("hsp加载后缓存情况,先点左侧按钮")
.onClick(() => {
console.log("pages/hspCacheTestPage 页面跳转")
router.pushUrl({ url: "pages/hspCacheTestPage" });
}).margin({ top: 15 })
Button("不同的hsp资源加载")
.onClick(() => {
console.log("pages/multiHspTestPage 页面跳转")
router.pushUrl({ url: "pages/multiHspTestPage" });
})
}.width('100%').height(60).backgroundColor(Color.Pink)
Text("测试图片加载稳定").fontSize(15)
Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Button("测试多张网络图片加载速度")
.onClick(() => {
router.pushUrl({ url: "pages/testManyNetImageLoadWithPage" });
}).margin({ top: 5, left: 3 })
Button("多线程加载大量网络图片加载速度")
.onClick(() => {
router.pushUrl({ url: "pages/testManyNetImageLoadWithPage2" });
}).margin({ top: 5, left: 3 })
Button("测试多张gif加载位置")
.onClick(() => {
router.pushUrl({ url: "pages/testManyGifLoadWithPage" });
}).margin({ top: 5, left: 3 })
}.width('100%').height(60).backgroundColor(Color.Pink)
Text('测试图片抗锯齿').fontSize(15)
Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Button('测试图片抗锯齿')
.onClick(() => {
router.pushUrl({ url: 'pages/testImageAntiAliasingWithPage' });
}).margin({ top: 5, left: 3 })
Button('共享转场缩放')
.onClick(() => {
router.pushUrl({ url: 'pages/testImageKnifeRouter1' });
}).margin({ top: 5, left: 3 })
}.width('100%').height(60).backgroundColor(Color.Pink)
Text('测试图片header属性').fontSize(15)
Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Button('图片header属性设置')
.onClick(() => {
router.pushUrl({ url: 'pages/testImageKnifeHttpRequestHeader' });
}).margin({ top: 5, left: 3 })
Button('测试自定义DataFetch属性')
.onClick(() => {
router.pushUrl({ url: 'pages/testImageKnifeDataFetch' });
}).margin({ top: 5, left: 3 })
Button('全局header和request的header')
.onClick(() => {
router.pushUrl({ url: 'pages/testImageKnifeHttpRequestHeader1' });
}).margin({ top: 5, left: 3 })
}.width('100%').height(60).backgroundColor(Color.Pink)
Text('测试图片缓存内存').fontSize(15)
Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Button('测试图片缓存内存')
.onClick(() => {
router.pushUrl({ url: 'pages/testImageKnifeCache' });
}).margin({ top: 5, left: 3 })
}.width('100%').height(60).backgroundColor(Color.Pink)
Text('测试gif暂停播放属性').fontSize(15)
Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Button('测试gif暂停播放属性')
.onClick(() => {
router.pushUrl({ url: 'pages/testStopPlayingGifPage' });
}).margin({ top: 5, left: 3 })
}.width('100%').height(60).backgroundColor(Color.Pink)
Text('测试heic图片加载').fontSize(15)
Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Button('测试heic')
.onClick(() => {
router.pushUrl({ url: 'pages/testImageKnifeHeic' });
}).margin({ top: 5, left: 3 })
}.width('100%').height(60).backgroundColor(Color.Pink)
Text('测试string类型占位图').fontSize(15)
Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Button('测试string类型占位图以及后备回调符')
.onClick(() => {
router.pushUrl({ url: 'pages/testImageKnifeNetPlaceholder' });
}).margin({ top: 5, left: 3 })
}.width('100%').height(60).backgroundColor(Color.Pink)
Text('测试加载图片自定义网络栈').fontSize(15)
Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Button('加载图片自定义网络栈')
.onClick(() => {
router.pushUrl({ url: 'pages/testCustomDataFetchClientWithPage' });
}).margin({ top: 5, left: 3 })
}.width('100%').height(60).backgroundColor(Color.Pink)
Text('测试监听加载成功/失败').fontSize(15)
Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Button('测试监听加载成功/失败')
.onClick(() => {
router.pushUrl({ url: 'pages/testImageKnifeLoadState' });
}).margin({ top: 5, left: 3 })
}.width('100%').height(60).backgroundColor(Color.Pink)
Text('测试内存删除').fontSize(15)
Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Button('测试内存删除')
.onClick(() => {
router.pushUrl({ url: 'pages/testImageKnifeRemoveCache' });
}).margin({ top: 5, left: 3 })
}.width('100%').height(60).backgroundColor(Color.Pink)
}
}
.width('100%')
.height('100%')
}
aboutToAppear() {
}
onBackPress() {
}
}

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@ -0,0 +1,102 @@
/*
* Copyright (C) 2022 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import router from '@ohos.router';
import {
ImageKnifeComponent,
ImageKnifeOption,
ImageKnifeGlobal,
ImageKnife,
HeaderOptions
} from '@ohos/libraryimageknife'
import { ObjectKey } from '@ohos/libraryimageknife';
@Entry
@Component
struct IndexFunctionDemo {
@State headerOptions1: HeaderOptions = {
key: "refer",
value: "http://1.94.37.200:7070/AntiTheftChain/downloadImage"
};
@State imageKnifeOption1: ImageKnifeOption =
{
loadSrc: $r('app.media.icon'),
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
headerOption: [this.headerOptions1]
};
@State imageKnifeOption2: ImageKnifeOption =
{
loadSrc: $r('app.media.icon'),
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
headerOption: [this.headerOptions1]
};
build() {
Scroll() {
Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Text("简单示例1加载一张本地png图片").fontSize(15)
Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Button("加载PNG")
.onClick(() => {
this.imageKnifeOption1 = {
loadSrc: $r('app.media.pngSample'),
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
signature: new ObjectKey('ccccccc')
}
}).margin({ top: 5, left: 3 })
ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption1 }).width(300).height(300)
}.width('100%').backgroundColor(Color.Pink)
Text("简单示例2加载一张网络gif图片").fontSize(15)
Text("gif解析在子线程,请在页面构建后创建worker,注入imageknife").fontSize(15)
Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Button("加载GIF")
.onClick(() => {
this.imageKnifeOption2 = {
loadSrc: 'https://gd-hbimg.huaban.com/e0a25a7cab0d7c2431978726971d61720732728a315ae-57EskW_fw658',
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
displayProgress:true,
}
}).margin({ top: 5, left: 3 })
ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption2 }).width(300).height(300)
}.width('100%').backgroundColor(Color.Pink)
Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Button("ImageKnife测试目录页面")
.onClick(() => {
console.log("pages/imageknifeTestCaseIndex 页面跳转")
router.pushUrl({ url: "pages/imageknifeTestCaseIndex" });
}).margin({ top: 15 })
}.width('100%').height(60).backgroundColor(Color.Pink)
}
}
.width('100%')
.height('100%')
}
aboutToAppear() {
}
aboutToDisappear(){
}
onBackPress() {
}
}

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@ -0,0 +1,74 @@
/*
* Copyright (C) 2021 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the 'License');
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an 'AS IS' BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import {ImageKnifeComponent, ScaleType} from '@ohos/libraryimageknife'
import {ImageKnifeOption} from '@ohos/libraryimageknife'
import {ImageKnifeGlobal} from '@ohos/libraryimageknife'
import {RotateImageTransformation} from '@ohos/libraryimageknife'
import {Material} from './model/Material'
import {TestDataSource} from './model/TestDataSource'
import {DiskLruCache} from '@ohos/disklrucache'
import ArkWorker from '@ohos.worker'
import Prompt from '@system.prompt'
@Entry
@Component
struct ManyPhotoShowPage {
private data: TestDataSource = new TestDataSource();
private elementScroller: Scroller = new Scroller()
build() {
Column() {
List({ space: 20, scroller: this.elementScroller }) {
LazyForEach(this.data, (item: Material, index) => {
ListItem() {
Column() {
Stack({ alignContent: Alignment.BottomEnd }) {
// 滤镜图片
ImageKnifeComponent({ imageKnifeOption: {
loadSrc: item.thumbnail,
mainScaleType: ScaleType.FIT_XY,
} })
}
.width(56).height(56)
//滤镜标题
Text(item.name)
.fontSize(10)
.maxLines(1)
.fontColor(Color.White)
.textAlign(TextAlign.Center)
.layoutWeight(1)
.width('100%')
.backgroundColor(Color.Orange)
}
.width(56)
.height(72)
.clip(true)
.borderRadius(4)
}
}, (item: Material) => item.material_id)
}
.listDirection(Axis.Horizontal)
.width('100%')
.height(72)
}
}
}

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/*
* Copyright (C) 2023 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the 'License');
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
export class BasicDataSource<T> implements IDataSource {
private listeners: DataChangeListener[] = [];
public totalCount(): number {
return 0;
}
public getData(index: number):T | undefined {
return undefined;
}
registerDataChangeListener(listener: DataChangeListener): void {
if (this.listeners.indexOf(listener) < 0) {
console.info('add listener');
this.listeners.push(listener);
}
}
unregisterDataChangeListener(listener: DataChangeListener): void {
const pos = this.listeners.indexOf(listener);
if (pos >= 0) {
console.info('remove listener');
this.listeners.splice(pos, 1);
}
}
notifyDataReload(): void {
this.listeners.forEach(listener => {
listener.onDataReloaded();
})
}
notifyDataAdd(index: number): void {
this.listeners.forEach(listener => {
listener.onDataAdd(index);
})
}
notifyDataChange(index: number): void {
this.listeners.forEach(listener => {
listener.onDataChange(index);
})
}
notifyDataDelete(index: number): void {
this.listeners.forEach(listener => {
listener.onDataDelete(index);
})
}
notifyDataMove(from: number, to: number): void {
this.listeners.forEach(listener => {
listener.onDataMove(from, to);
})
}
}

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@ -1,5 +1,5 @@
/*
* Copyright (C) 2024 Huawei Device Co., Ltd.
* Copyright (C) 2023 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the 'License');
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
@ -7,15 +7,13 @@
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an 'AS IS' BASIS,
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
@Entry
@Component
export struct IndexPage {
build() {
}
export class Material{
material_id: string ='';
thumbnail: string = '';
name: string ='';
}

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@ -0,0 +1,590 @@
/*
* Copyright (C) 2023 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the 'License');
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import {BasicDataSource} from './BasicDataSource'
import { Material } from './Material';
export class TestDataSource extends BasicDataSource<Material> {
private dataArray: Material[] = [
{name:"测试CBC",thumbnail:"https://xxtool-release.zone1.meitudata.com/xxtool-pre/material/R9aT7lpEEVxawo4.jpeg!thumb-w321-webp75",material_id:"5060118818"},
{name:"通用天空1像素测试",thumbnail:"https://xxtool-release.zone1.meitudata.com/xxtool-pre/material/1V6c63lKLGPlKVo.png!thumb-w321-webp75",material_id:"506009997"},
{name:"像素测试+bin",thumbnail:"https://xxtool-release.zone1.meitudata.com/xxtool-pre/material/2NxCo49xAB1L96K.jpeg!thumb-w321-webp75",material_id:"506009998"},
{name:"像素测试",thumbnail:"https://xxtool-release.zone1.meitudata.com/xxtool-pre/material/P6gH3pWBGw7L6dD.jpeg!thumb-w321-webp75",material_id:"506009999"},
{name:"名称一",thumbnail:"https://xxtool-release.zone1.meitudata.com/xxtool-pre/material/MKosgAWo5VKpo9Z.jpeg!thumb-w321-webp75",material_id:"50600999"},
{name:"质感",thumbnail:"https://xximg1.meitudata.com/XepUPNP4WP.png!thumb-w321-webp75",material_id:"20076061608"},
{name:"抠图批量拼图",thumbnail:"https://xxtool-release.zone1.meitudata.com/xxtool-pre/material/pA2S9lvNpMY4X3N.jpeg!thumb-w321-webp75",material_id:"506002368"},
{name:"修改测试",thumbnail:"https://xxtool-release.zone1.meitudata.com/xxtool-pre/material/69MiA9VxKdkzjWR.png!thumb-w321-webp75",material_id:"50600229"},
{name:"兰桂坊-艺术",thumbnail:"https://material-center-pre.meitudata.com/material/image/6228901fd8ddd6350.jpeg!thumb-w321-webp75",material_id:"50639415"},
{name:"有门槛的我",thumbnail:"https://xxtool-release.zone1.meitudata.com/xxtool-pre/material/P98i3gdgDw3Rmx5.png!thumb-w321-webp75",material_id:"506093422"},
{name:"222嗯嗯1",thumbnail:"https://stage.meitudata.com/public/creator/ed70a3c696c8e7b.jpg!thumb-w321-webp75",material_id:"50693244"},
{name:"滤镜流程11",thumbnail:"https://material-center-pre.meitudata.com/material/image/6194a57b5b9ef7678.jpg!thumb-w321-webp75",material_id:"506017292"},
{name:"hsxTest11.8",thumbnail:"https://material-center-pre.meitudata.com/material/image/6189f29b48f165954.jpg!thumb-w321-webp75",material_id:"506530963"},
{name:"旧-美食手绘1",thumbnail:"https://xxtool-release.zone1.meitudata.com/xxtool-pre/material/0lZCW9BrDgMroLL.jpeg!thumb-w321-webp75",material_id:"5060002001"},
{name:"Forest",thumbnail:"https://xximg1.meitudata.com/V2jTkoYa96.jpeg!thumb-w321-webp75",material_id:"20106191835"},
{name:"春樱",thumbnail:"https://xximg1.meitudata.com/k5DIOxgJpN.jpeg!thumb-w321-webp75",material_id:"20076291634"},
{name:"GT G",thumbnail:"http://xximg2.meitudata.com/Z9DCJpkB2l.jpeg!thumb-w321-webp75",material_id:"20085081215"},
{name:"测",thumbnail:"https://xxtool-release.zone1.meitudata.com/xxtool-pre/material/zwdte8R2e5KMMmm.jpeg!thumb-w321-webp75",material_id:"506000000"},
{name:"五一鱼块",thumbnail:"https://xximg1.meitudata.com/mlahyxNxjN.jpeg!thumb-w321-webp75",material_id:"20076292056"},
{name:"青空",thumbnail:"https://xximg1.meitudata.com/8OkUwBympV.jpeg!thumb-w321-webp75",material_id:"20106311844"},
{name:"质感",thumbnail:"https://xximg1.meitudata.com/9nzUydyWeB.png!thumb-w321-webp75",material_id:"20076061589"},
{name:"测试CBC",thumbnail:"https://xxtool-release.zone1.meitudata.com/xxtool-pre/material/R9aT7lpEEVxawo4.jpeg!thumb-w321-webp75",material_id:"5060118818"},
{name:"像素天空抠图测试",thumbnail:"https://xxtool-release.zone1.meitudata.com/xxtool-pre/material/Ymju0r3deAl7xoJ.jpeg!thumb-w321-webp75",material_id:"506005680"},
{name:"像素滤镜测试",thumbnail:"https://xxtool-release.zone1.meitudata.com/xxtool-pre/material/8zPcB0y4vdreG1d.jpeg!thumb-w321-webp75",material_id:"506019998"},
{name:"通用天空1像素测试",thumbnail:"https://xxtool-release.zone1.meitudata.com/xxtool-pre/material/1V6c63lKLGPlKVo.png!thumb-w321-webp75",material_id:"506009997"},
{name:"人像风格化",thumbnail:"https://xxtool-release.zone1.meitudata.com/xxtool-pre/material/VYwIWp0E52v5vaE.jpeg!thumb-w321-webp75",material_id:"50600288888"},
{name:"像素+边框测试",thumbnail:"https://xxtool-release.zone1.meitudata.com/xxtool-pre/material/Z9dtor442OY76KV.jpeg!thumb-w321-webp75",material_id:"506005678"},
{name:"像素测试+bin",thumbnail:"https://xxtool-release.zone1.meitudata.com/xxtool-pre/material/2NxCo49xAB1L96K.jpeg!thumb-w321-webp75",material_id:"506009998"},
{name:"像素测试",thumbnail:"https://xxtool-release.zone1.meitudata.com/xxtool-pre/material/P6gH3pWBGw7L6dD.jpeg!thumb-w321-webp75",material_id:"506009999"},
{name:"兰桂坊-艺术",thumbnail:"https://material-center-pre.meitudata.com/material/image/6228901fd8ddd6350.jpeg!thumb-w321-webp75",material_id:"50639415"},
{name:"藤黄",thumbnail:"https://xximg1.meitudata.com/KnJSa8X496.jpeg!thumb-w321-webp75",material_id:"20076281728"},
{name:"梅幸茶",thumbnail:"https://xximg1.meitudata.com/GYGcPokEQ3.jpeg!thumb-w321-webp75",material_id:"20076281771"},
{name:"五一鱼块",thumbnail:"https://xximg1.meitudata.com/mlahyxNxjN.jpeg!thumb-w321-webp75",material_id:"20076292056"},
{name:"12.妆容滤镜层级控制",thumbnail:"https://xxtool-release.zone1.meitudata.com/deRP83dkdlR4.png!thumb-w321-webp75",material_id:"200720002017"},
{name:"12.妆容滤镜层级控制1",thumbnail:"https://xxtool-release.zone1.meitudata.com/rPJ1vKjJY6jz.png!thumb-w321-webp75",material_id:"200720002018"},
{name:"13.3D打光",thumbnail:"https://xxtool-release.zone1.meitudata.com/z8K3P249ZmVW.png!thumb-w321-webp75",material_id:"200720002020"},
{name:"14.新bling效果",thumbnail:"https://xxtool-release.zone1.meitudata.com/e4xlVkl0BzMy.png!thumb-w321-webp75",material_id:"200720003001"},
{name:"美食手绘效果2",thumbnail:"https://xxtool-release.zone1.meitudata.com/B6MleZrWeMvj.jpg!thumb-w321-webp75",material_id:"200720002002"},
{name:"16.美食手绘效果",thumbnail:"https://xxtool-release.zone1.meitudata.com/xEke61aRK6dg.jpg!thumb-w321-webp75",material_id:"200720002003"},
{name:"17.素材无人脸规则",thumbnail:"https://xxtool-release.zone1.meitudata.com/B6MleZ1ae5Ry.jpg!thumb-w321-webp75",material_id:"200720002010"},
{name:"18.径向色散效果",thumbnail:"https://xxtool-release.zone1.meitudata.com/EyvzkoPgakDL.jpg!thumb-w321-webp75",material_id:"200720002012"},
{name:"胶片滤镜2",thumbnail:"https://xxtool-release.zone1.meitudata.com/3zVRo1E16vZG.png!thumb-w321-webp75",material_id:"200720002008"},
{name:"20.胶片滤镜",thumbnail:"https://xxtool-release.zone1.meitudata.com/3zVRo1EdvZ0W.jpg!thumb-w321-webp75",material_id:"200720002009"},
{name:"21.虚化滤镜",thumbnail:"https://xxtool-release.zone1.meitudata.com/1mLMv1kd2BLZ.jpg!thumb-w321-webp75",material_id:"200720002011"},
{name:"22.天空分割滤镜",thumbnail:"https://xxtool-release.zone1.meitudata.com/8NXRMzE019aB.jpg!thumb-w321-webp75",material_id:"200720002006"},
{name:"23.妆容滤镜",thumbnail:"https://xxtool-release.zone1.meitudata.com/0XDRo7xdPkVx.jpg!thumb-w321-webp75",material_id:"200720002007"},
{name:"1.随机滤镜",thumbnail:"https://xxtool-release.zone1.meitudata.com/V06dg1RJ8pDr.jpg!thumb-w321-webp75",material_id:"200720001004"},
{name:"15.实时取色效果",thumbnail:"https://xxtool-release.zone1.meitudata.com/2p5Ro1VDZvxR.png!thumb-w321-webp75",material_id:"200720001001"},
{name:"10.不带妆容",thumbnail:"https://xxtool-release.zone1.meitudata.com/8NXRMz5oypN7.jpeg!thumb-w321-webp75",material_id:"200720002030"},
{name:"16.美食手绘效果1",thumbnail:"https://xxtool-release.zone1.meitudata.com/1mLMWyxNVMAe.jpg!thumb-w321-webp75",material_id:"506088836"},
{name:"素材多比例滤镜",thumbnail:"https://xxtool-release.zone1.meitudata.com/7d8RoA7DXYB9.jpg!thumb-w321-webp75",material_id:"200720002013"},
{name:"安德森粉",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/OXOHRLBqVppoxEY.png!thumb-w321-webp75",material_id:"20079982224"},
{name:"安德森黄",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/bBZcY8dnYDqZE5v.png!thumb-w321-webp75",material_id:"20079982225"},
{name:"安德森冷",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/x5NF1JLYvqGENkj.png!thumb-w321-webp75",material_id:"20079982226"},
{name:"安德森暖青",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/KeVUpByXzRp0oPK.png!thumb-w321-webp75",material_id:"20079982227"},
{name:"高光+100",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/PB2cdnDGN0nqb8q.png!thumb-w321-webp75",material_id:"20079981113"},
{name:"高光-100",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/XepU5b6OZKW90Yv.png!thumb-w321-webp75",material_id:"20079981114"},
{name:"阴影+100",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/KeVUp1oQD6W8xg5.png!thumb-w321-webp75",material_id:"20079981115"},
{name:"阴影-100",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/GPWcJeyweKZR69d.png!thumb-w321-webp75",material_id:"20079981116"},
{name:"cg无素材",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/LEasj5wg0o10JzO.png!thumb-w321-webp75",material_id:"20079981112"},
{name:"会员电影胶片",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/8QzFJLZVqLlvj8v.png!thumb-w321-webp75",material_id:"20079982254"},
{name:"秋1",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/KeVUpByPLRGkgYj.jpeg!thumb-w321-webp75",material_id:"20079982230"},
{name:"秋2",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/6kQUqeG39YJlEo1.jpeg!thumb-w321-webp75",material_id:"20079982231"},
{name:"秋3",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/KeVUpByPvxBLldg.jpeg!thumb-w321-webp75",material_id:"20079982232"},
{name:"秋4",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/3YDh1Dl6xY30nqD.jpeg!thumb-w321-webp75",material_id:"20079982233"},
{name:"秋5",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/9nzUG9DeeGmn94G.jpeg!thumb-w321-webp75",material_id:"20079982234"},
{name:"秋6",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/YkpUjYwlPanLVNg.jpeg!thumb-w321-webp75",material_id:"20079982235"},
{name:"秋7",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/OXOHRLB3YBPbD0o.jpeg!thumb-w321-webp75",material_id:"20079982236"},
{name:"秋8",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/dWZS0X3P2LjqJ5x.jpeg!thumb-w321-webp75",material_id:"20079982240"},
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{name:"Plastic1",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/V2jTkWZbP6.jpeg!thumb-w321-webp75",material_id:"20079930016"},
{name:"莫奈",thumbnail:"https://xximg1.meitudata.com/9nzUy0bwDV.png!thumb-w321-webp75",material_id:"20079932086"},
{name:"雾柔水光",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/JdaUWkEplJ.png!thumb-w321-webp75",material_id:"20079932146"},
{name:"muji",thumbnail:"https://xximg1.meitudata.com/LEasJNJplP.png!thumb-w321-webp75",material_id:"20079932148"},
{name:"相机打光测试",thumbnail:"https://xximg1.meitudata.com/j4QUexO3K5.jpeg!thumb-w321-webp75",material_id:"20079932054"},
{name:"1222",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/3XwSOKRJjx.jpeg!thumb-w321-webp75",material_id:"20079931222"},
{name:"1333",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/EQYuL9LqvV.jpeg!thumb-w321-webp75",material_id:"20079931333"},
{name:"1999",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/VqVfkykO5y.jpeg!thumb-w321-webp75",material_id:"20079931999"},
{name:"1666",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/1pgI1plVVv.jpeg!thumb-w321-webp75",material_id:"20079931666"},
{name:"1888",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/OJbF06VvmK.jpeg!thumb-w321-webp75",material_id:"20079931888"},
{name:"1888",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/ke8UOWwVz6.jpeg!thumb-w321-webp75",material_id:"20079931777"},
{name:"2057",thumbnail:"https://xximg1.meitudata.com/3YVfOVKVmm.jpeg!thumb-w321-webp75",material_id:"20079932057"},
{name:"五一鱼块",thumbnail:"https://xximg1.meitudata.com/39nTOVegOn.jpeg!thumb-w321-webp75",material_id:"20079932056"},
{name:"五一",thumbnail:"https://xximg1.meitudata.com/bBZcvykbxP.png!thumb-w321-webp75",material_id:"20079932053"},
{name:"bling04",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/OX8i06XB3L.jpeg!thumb-w321-webp75",material_id:"20079930015"},
{name:"元旦",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/mbZHO6bOgR5YgdB.jpeg!thumb-w321-webp75",material_id:"20106401993"},
{name:"瞬间",thumbnail:"https://xximg1.meitudata.com/y59Ib9JKjm.jpeg!thumb-w321-webp75",material_id:"20106401997"},
{name:"新专辑轰顶",thumbnail:"https://xxtool-release.zone1.meitudata.com/xxtool-pre/material/BR7fMkae0elL9DK.png!thumb-w321-webp75",material_id:"506093294"},
{name:"新素材",thumbnail:"https://xxtool-release.zone1.meitudata.com/xxtool-pre/material/LL8SozrWaMVRP5L.png!thumb-w321-webp75",material_id:"506093299"},
{name:"素材不在功能页",thumbnail:"https://xxtool-release.zone1.meitudata.com/xxtool-pre/material/69MiA9JxOErJvvP.png!thumb-w321-webp75",material_id:"506093238"},
{name:"我被禁用了😄我被禁用了😄",thumbnail:"https://xxtool-release.zone1.meitudata.com/xxtool-pre/material/D18Iz3ZaAPm0za3.png!thumb-w321-webp75",material_id:"506093239"},
{name:"低版本不可见",thumbnail:"https://xxtool-release.zone1.meitudata.com/xxtool-pre/material/757SWMrAkzKAorX.png!thumb-w321-webp75",material_id:"506093243"},
{name:"3d立体弹窗",thumbnail:"https://xxtool-release.zone1.meitudata.com/xxtool-pre/material/k4gtA430gyk3Wx9.png!thumb-w321-webp75",material_id:"506093241"},
{name:"加州",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/RKgUJnKn126zbGG.jpeg!thumb-w321-webp75",material_id:"50602339"},
{name:"爱心光",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/j4GcVXWgv200k0D.jpeg!thumb-w321-webp75",material_id:"506002288"},
{name:"2053太空漫游",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/wgNUven5XxgKmG4.jpeg!thumb-w321-webp75",material_id:"20096492276"},
{name:"CCD",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/XepU5b3WG3BDJNp.jpeg!thumb-w321-webp75",material_id:"20096492265"},
{name:"IMAX胶片",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/bBZcYlQVDNVde5Y.jpeg!thumb-w321-webp75",material_id:"20096492254"},
{name:"皮囊之下",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/p0LTO938OKJLV2k.jpeg!thumb-w321-webp75",material_id:"506002350"},
{name:"号手就位",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/J34FBw2bEwzGbWp.jpeg!thumb-w321-webp75",material_id:"506002317"},
{name:"海绵3",thumbnail:"https://xxtool-release.zone1.meitudata.com/xxtool-pre/material/26guLmK1p0M13Zr.jpeg!thumb-w321-webp75",material_id:"506010277"},
{name:"海绵4",thumbnail:"https://xxtool-release.zone1.meitudata.com/xxtool-pre/material/KgaiJr4o77waN4d.jpeg!thumb-w321-webp75",material_id:"506010276"},
{name:"海绵1",thumbnail:"https://xxtool-release.zone1.meitudata.com/xxtool-pre/material/71MfrYOoEDyKLJA.jpeg!thumb-w321-webp75",material_id:"506010279"},
{name:"TR2",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/k51F2wNOkqQgBjX.jpeg!thumb-w321-webp75",material_id:"506002345"},
{name:"TR3",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/JdaUB94WJJqQlwK.jpeg!thumb-w321-webp75",material_id:"506002344"},
{name:"TR4",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/5JeH8WzDLm1NmPy.jpeg!thumb-w321-webp75",material_id:"506002347"},
{name:"TR5",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/lkjUjGvk4VORqlR.jpeg!thumb-w321-webp75",material_id:"506002343"},
{name:"TR6",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/k51F2wNOLjj94dK.jpeg!thumb-w321-webp75",material_id:"506002346"},
{name:"乌布",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/V2xig11N0vQLpxm.jpeg!thumb-w321-webp75",material_id:"506002333"},
{name:"微缩世界",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/oJQiWgqo5kodE1B.jpeg!thumb-w321-webp75",material_id:"506002298"},
{name:"微缩世界Ⅱ",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/N8RHzP6aP44Xex6.jpeg!thumb-w321-webp75",material_id:"506002299"},
{name:"旅程",thumbnail:"https://xximg1.meitudata.com/V2jTkEY8Y9.jpeg!thumb-w321-webp75",material_id:"20086101254"},
{name:"旅程",thumbnail:"https://xximg1.meitudata.com/GPoUPwOj1b.jpeg!thumb-w321-webp75",material_id:"20086101315"},
{name:"且听风吟",thumbnail:"https://xximg1.meitudata.com/Z3VspeGOy3.jpeg!thumb-w321-webp75",material_id:"2008610635"},
{name:"Sky",thumbnail:"https://xximg1.meitudata.com/p0GcZPbnV0.jpeg!thumb-w321-webp75",material_id:"20086101612"},
{name:"清新蓝",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/BbWiqXBp8X869e9.jpeg!thumb-w321-webp75",material_id:"20086162162"},
{name:"男友力",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/6PocqE9aB8nZgOl.jpeg!thumb-w321-webp75",material_id:"20086161259"},
{name:"男友力",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/8boiJnm9e69J3GB.jpeg!thumb-w321-webp75",material_id:"20086161256"},
{name:"男友力",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/oeGiWgmVL06ppzo.jpeg!thumb-w321-webp75",material_id:"20086161469"},
{name:"chiffon",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/JdXHB6PXY9dzmjl.jpeg!thumb-w321-webp75",material_id:"2008607975"},
{name:"新年限定",thumbnail:"https://xximg1.meitudata.com/mlahymLEBk.jpeg!thumb-w321-webp75",material_id:"20086072015"},
{name:"新春食堂",thumbnail:"https://xximg1.meitudata.com/dDpFaD19J9.jpeg!thumb-w321-webp75",material_id:"20086071687"},
{name:"围炉",thumbnail:"https://xximg1.meitudata.com/jo2UegGjqj.jpeg!thumb-w321-webp75",material_id:"20086071688"},
{name:"橘子汽水",thumbnail:"https://xximg1.meitudata.com/voWUlvO8Dd.jpeg!thumb-w321-webp75",material_id:"2008607571"},
{name:"舒芙蕾",thumbnail:"https://xximg1.meitudata.com/xmdFQwl5J0.jpeg!thumb-w321-webp75",material_id:"2008607569"},
{name:"野Ⅰ",thumbnail:"https://xximg1.meitudata.com/6KwCRlbG6g.jpeg!thumb-w321-webp75",material_id:"20086070001"},
{name:"野餐Ⅱ",thumbnail:"https://xximg1.meitudata.com/Nzjuq2XDGQ.jpeg!thumb-w321-webp75",material_id:"20086070002"},
{name:"食欲",thumbnail:"https://xximg1.meitudata.com/jo2UegGzVl.jpeg!thumb-w321-webp75",material_id:"20086071585"},
{name:"食欲",thumbnail:"https://xximg1.meitudata.com/0J6fWJbYW8.jpeg!thumb-w321-webp75",material_id:"20086071587"},
{name:"橘子汽水",thumbnail:"https://xximg1.meitudata.com/bz0uvoO5Po.jpeg!thumb-w321-webp75",material_id:"20086071908"},
{name:"",thumbnail:"https://xximg1.meitudata.com/xmdFQwgNGx.png!thumb-w321-webp75",material_id:"2008607014"},
{name:"粉花面包",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/gkmsKBakKNO6ynd.jpeg!thumb-w321-webp75",material_id:"2008607973"},
{name:"",thumbnail:"https://xximg1.meitudata.com/RzLumonEvG.png!thumb-w321-webp75",material_id:"2008607015"},
{name:"Brunch",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/V2jTgxyR4xG9k4d.jpeg!thumb-w321-webp75",material_id:"20086072197"},
{name:"vista200",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/LJwUjvN4awZDWOw.jpeg!thumb-w321-webp75",material_id:"506002301"},
{name:"胶片时光",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/kBwi28Wm6y698oy.jpeg!thumb-w321-webp75",material_id:"20086171381"},
{name:"胶片时光",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/8boiJnmYZ8NbvJ6.jpeg!thumb-w321-webp75",material_id:"20086171339"},
{name:"胶片时光",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/vEdtKOx0n2gEyBg.jpeg!thumb-w321-webp75",material_id:"20086171336"},
{name:"菲林日记",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/OdpiRJVedvxlR4m.jpeg!thumb-w321-webp75",material_id:"20096221571"},
{name:"菲林日记",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/kBwi28w05RB11de.jpeg!thumb-w321-webp75",material_id:"20096221570"},
{name:"菲林日记",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/KBPipZwDElPR1bl.jpeg!thumb-w321-webp75",material_id:"20096221783"},
{name:"菲林日记",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/2bkiEXqkWmBZzjL.jpeg!thumb-w321-webp75",material_id:"20096221781"},
{name:"菲林日记",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/PnkTd0zBvKKRYb0.jpeg!thumb-w321-webp75",material_id:"20096221780"},
{name:"Outdoors",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/NL9HzPdl9WLnlq9.jpeg!thumb-w321-webp75",material_id:"20086172023"},
{name:"蒸汽波",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/DyjUJpgEgyP8nDL.jpeg!thumb-w321-webp75",material_id:"506002182"},
{name:"落日",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/V2jTgj1akYWmEvP.jpeg!thumb-w321-webp75",material_id:"20106112264"},
{name:"音浪",thumbnail:"http://xximg2.meitudata.com/VXgfk8zEJ3.jpeg!thumb-w321-webp75",material_id:"20106111100"},
{name:"毕业季",thumbnail:"https://xxtool-release.zone1.meitudata.com/material/y56Fb5qaXq.jpeg!thumb-w321-webp75",material_id:"20076121254"},
{name:"游乐园",thumbnail:"https://xximg1.meitudata.com/N8eUq2XE0E.jpeg!thumb-w321-webp75",material_id:"20076091595"},
{name:"粉黛",thumbnail:"https://xximg1.meitudata.com/wgNU3GlNRj.jpeg!thumb-w321-webp75",material_id:"20076091618"},
{name:"游乐园",thumbnail:"https://xximg1.meitudata.com/Z3GfpjWOKV.jpeg!thumb-w321-webp75",material_id:"20076091596"},
{name:"水彩画",thumbnail:"https://xximg1.meitudata.com/eqOHvqo0ej.jpeg!thumb-w321-webp75",material_id:"20106041764"},
{name:"钢笔淡彩",thumbnail:"https://xximg1.meitudata.com/V2jTkopPGQ.jpeg!thumb-w321-webp75",material_id:"20106041765"},
{name:"质感",thumbnail:"https://xximg1.meitudata.com/XepUPNP4WP.png!thumb-w321-webp75",material_id:"20076061608"},
{name:"质感",thumbnail:"https://xximg1.meitudata.com/9nzUydyWeB.png!thumb-w321-webp75",material_id:"20076061589"},
{name:"质感",thumbnail:"http://xximg2.meitudata.com/yObUbokjlb.jpeg!thumb-w321-webp75",material_id:"20076061609"},
{name:"荼白",thumbnail:"https://xximg1.meitudata.com/6kOHRW8WGD.jpeg!thumb-w321-webp75",material_id:"20076061859"}
]
public totalCount(): number {
return this.dataArray.length;
}
public getData(index: number): Material | undefined {
return this.dataArray[index];
}
public addData(index: number, data: Material): void {
this.dataArray.splice(index, 0, data);
this.notifyDataAdd(index);
}
public pushData(data: Material): void {
this.dataArray.push(data);
this.notifyDataAdd(this.dataArray.length - 1);
}
}

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/*
* Copyright (C) 2023 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { ImageKnifeComponent, ImageKnifeOption, FileUtils, ImageKnifeGlobal, GetRes1 } from '@ohos/libraryimageknife'
import common from '@ohos.app.ability.common'
import { GetRes2 } from '@ohos/sharedlibrary2'
@Entry
@Component
struct Index {
@State imageOption1: ImageKnifeOption = {
loadSrc: $r('app.media.icon'),
}
@State imageOption2: ImageKnifeOption = {
loadSrc: $r('app.media.icon'),
}
build() {
Scroll() {
Column() {
Button('点击HSP1主图HSP2占位,无context').onClick(() => {
let mainRes = GetRes1.getSample1();
let placeholderRes = GetRes2.getSample2();
this.imageOption1 = {
loadSrc:mainRes,
placeholderSrc:placeholderRes
}
})
ImageKnifeComponent({ imageKnifeOption: this.imageOption1 }).width(300).height(300).backgroundColor(Color.Pink)
Button('点击HSP1主图HSP2占位,有context ').onClick(() => {
let mainRes = GetRes1.getSample1();
let placeholderRes = GetRes2.getSample2();
this.imageOption2 = {
loadSrc:mainRes,
placeholderSrc:placeholderRes,
context:getContext(this) as common.UIAbilityContext
}
})
ImageKnifeComponent({ imageKnifeOption: this.imageOption2 }).width(300).height(300).backgroundColor(Color.Pink)
}.width('100%')
}
.width('100%')
.height('100%')
}
}

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/*
* Copyright (C) 2021 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the 'License');
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an 'AS IS' BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import {ImageKnifeComponent, ScaleType,ImageKnife} from '@ohos/libraryimageknife'
import {ImageKnifeOption} from '@ohos/libraryimageknife'
import {ImageKnifeGlobal} from '@ohos/libraryimageknife'
import {RotateImageTransformation} from '@ohos/libraryimageknife'
import {Material} from './model/Material'
import {TestDataSource} from './model/TestDataSource'
@Entry
@Component
struct photosPausedResumedPage {
private data: TestDataSource = new TestDataSource();
private elementScroller: Scroller = new Scroller()
build() {
Column() {
Button('点击暂停加载')
.margin({top:10,bottom:5})
.onClick(()=>{
let imageKnife:ImageKnife|undefined = ImageKnifeGlobal.getInstance().getImageKnife();
if(imageKnife!= undefined){
imageKnife.pauseRequests()
}
})
Button('点击重新加载')
.margin({top:10,bottom:5})
.onClick(()=>{
let imageKnife:ImageKnife|undefined = ImageKnifeGlobal.getInstance().getImageKnife();
if(imageKnife!= undefined){
imageKnife.resumeRequests()
}
})
List({ space: 20, scroller: this.elementScroller }) {
LazyForEach(this.data, (item: Material, index) => {
ListItem() {
Column() {
Stack({ alignContent: Alignment.BottomEnd }) {
// 滤镜图片
ImageKnifeComponent({ imageKnifeOption: {
loadSrc: item.thumbnail,
mainScaleType: ScaleType.FIT_XY,
} })
}
.width(56).height(56)
//滤镜标题
Text(item.name)
.fontSize(10)
.maxLines(1)
.fontColor(Color.White)
.textAlign(TextAlign.Center)
.layoutWeight(1)
.width('100%')
.backgroundColor(Color.Orange)
}
.width(56)
.height(72)
.clip(true)
.borderRadius(4)
}
}, (item: Material) => item.material_id)
}
.listDirection(Axis.Horizontal)
.width('100%')
.height(72)
}
}
}

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/*
* Copyright (C) 2021 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the 'License');
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an 'AS IS' BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import {ImageKnifeComponent, ScaleType,ImageKnife} from '@ohos/libraryimageknife'
import {ImageKnifeOption} from '@ohos/libraryimageknife'
import {ImageKnifeGlobal} from '@ohos/libraryimageknife'
import {RotateImageTransformation} from '@ohos/libraryimageknife'
import {Material} from './model/Material'
import {TestDataSource} from './model/TestDataSource'
import {DiskLruCache} from '@ohos/disklrucache'
import ArkWorker from '@ohos.worker'
import Prompt from '@system.prompt'
@Entry
@Component
struct photosPausedResumedPage {
private data: TestDataSource = new TestDataSource();
private elementScroller: Scroller = new Scroller()
build() {
Column() {
Button('这个List通过监听 开始滑动,停止加载图片;滑动结束,恢复加载图片')
.margin({top:10,bottom:5})
.onClick(()=>{
})
List({ space: 20, scroller: this.elementScroller }) {
LazyForEach(this.data, (item: Material, index) => {
ListItem() {
Column() {
Stack({ alignContent: Alignment.BottomEnd }) {
// 滤镜图片
ImageKnifeComponent({ imageKnifeOption: {
loadSrc: item.thumbnail,
mainScaleType: ScaleType.FIT_XY,
} })
}
.width(56).height(56)
//滤镜标题
Text(item.name)
.fontSize(10)
.maxLines(1)
.fontColor(Color.White)
.textAlign(TextAlign.Center)
.layoutWeight(1)
.width('100%')
.backgroundColor(Color.Orange)
}
.width(56)
.height(72)
.clip(true)
.borderRadius(4)
}
}, (item: Material) => item.material_id)
}
.onScrollStart(()=>{
let imageKnife:ImageKnife|undefined = ImageKnifeGlobal.getInstance().getImageKnife();
if(imageKnife!= undefined){
imageKnife.pauseRequests()
}
})
.onScrollStop(()=>{
let imageKnife:ImageKnife|undefined = ImageKnifeGlobal.getInstance().getImageKnife();
if(imageKnife!= undefined){
imageKnife.resumeRequests()
}
})
.listDirection(Axis.Horizontal)
.width('100%')
.height(72)
}
}
aboutToDisappear(){
// 如果用户滑动过程中就退出了页面我们需要恢复图片加载能力
let imageKnife:ImageKnife|undefined = ImageKnifeGlobal.getInstance().getImageKnife();
if(imageKnife!= undefined){
imageKnife.resumeRequests()
}
}
}

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/*
* Copyright (C) 2021 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the 'License');
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an 'AS IS' BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { Pngj } from '@ohos/libraryimageknife'
import resourceManager from '@ohos.resourceManager';
import { FileUtils,ImageKnifeGlobal } from '@ohos/libraryimageknife'
import { BusinessError } from '@ohos.base'
import common from '@ohos.app.ability.common';
interface WorkerType {
type: string
name: string
}
@Entry
@Component
struct PngjTestCasePage {
pngSource1?: ArrayBuffer = undefined;
pngSource2?: ArrayBuffer = undefined;
pngSource3?: ArrayBuffer = undefined;
pngSource4?: ArrayBuffer = undefined;
pngdecodeRun1: boolean = false;
pngdecodeRun2: boolean = false;
pngdecodeRun3: boolean = false;
pngdecodeRun4: boolean = false;
rootFolder: string = '';
@State hint1: string = 'readPngImageInfo内容展示'
@State hint2: string = 'readPngImage内容展示'
@State hint3: string = 'writePngWithString内容展示'
@State hint4: string = 'writePngWithString内容展示'
@State hint5: string = '测试readMetadata'
@State hint6: string = '测试writeMetadata'
@State hint7: string = '首先点击获取PNG图片buffer'
@State hint8: string = '首先点击获取PNG图片buffer'
@State hint9: string = '首先点击获取PNG图片buffer'
@State hint10: string = '首先点击获取PNG图片buffer'
build() {
Scroll() {
Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Text('pngj接口测试列表').fontSize(20)
Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Button(this.hint7).fontSize(30)
.onClick(() => {
this.rootFolder = (ImageKnifeGlobal.getInstance().getHapContext() as common.UIAbilityContext).filesDir as string;
((ImageKnifeGlobal.getInstance().getHapContext() as common.UIAbilityContext)
.resourceManager as resourceManager.ResourceManager)
.getMediaContent($r('app.media.pngSample').id)
.then(data => {
this.pngSource1 = FileUtils.getInstance().uint8ArrayToBuffer(data);
this.hint7 = '获取buffer成功可以测试'
})
.catch( (err:BusinessError) => {
console.log('点击获取Png图片buffer err=' + err)
})
})
Button('测试readPng')
.onClick(() => {
if (this.pngSource1!=undefined) {
if (!this.pngdecodeRun1) {
this.pngdecodeRun1 = true;
let pngj = new Pngj();
pngj.readPngImageInfo(this.pngSource1,{pngCallback: (sender, value) => {
this.hint1 = JSON.stringify(value);
this.pngdecodeRun1 = false;
}})
} else {
this.hint7 = '已经在执行了,请稍等'
}
} else {
this.hint7 = '请先点击此处获取buffer'
}
}).margin({ top: 5, left: 10 })
}.width('100%')
.height(60).backgroundColor(Color.Pink)
Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Button(this.hint8).fontSize(30)
.onClick(() => {
this.rootFolder = (ImageKnifeGlobal.getInstance().getHapContext() as common.UIAbilityContext).filesDir as string;
((ImageKnifeGlobal.getInstance().getHapContext() as common.UIAbilityContext)
.resourceManager as resourceManager.ResourceManager)
.getMediaContent($r('app.media.pngSample').id)
.then(data => {
this.pngSource2 = FileUtils.getInstance().uint8ArrayToBuffer(data);
this.hint8 = '获取buffer成功可以测试'
})
.catch((err:BusinessError) => {
console.log('点击获取Png图片buffer err=' + err)
})
})
Button('readPngAsync')
.onClick(() => {
if (this.pngSource2!=undefined) {
if (!this.pngdecodeRun2) {
this.pngdecodeRun2 = true;
let pngj = new Pngj();
let png_worker: WorkerType = {
type: 'classic',
name: 'readPngImageAsync'
}
pngj.readPngImageAsync(png_worker, this.pngSource2!, (value:ESObject) => {
this.hint8 = '重新获取buffer才能测试'
this.hint2 = 'img with=' + value.width + ' img height=' + value.height
+ ' img depth=' + value.depth + ' img ctype=' + value.ctype
this.pngdecodeRun2 = false;
})
} else {
this.hint8 = '已经在执行了,请稍等'
}
} else {
this.hint8 = '请先点击此处获取buffer'
}
}).margin({ top: 5, left: 10 })
}.width('100%')
.height(60).backgroundColor(Color.Pink)
Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Button(this.hint9).fontSize(30)
.onClick(() => {
this.rootFolder = (ImageKnifeGlobal.getInstance().getHapContext() as common.UIAbilityContext).filesDir as string;
((ImageKnifeGlobal.getInstance().getHapContext() as common.UIAbilityContext)
.resourceManager as resourceManager.ResourceManager)
.getMediaContent($r('app.media.pngSample').id)
.then(data => {
this.pngSource3 = FileUtils.getInstance().uint8ArrayToBuffer(data);
this.hint9 = '获取buffer成功可以测试'
})
.catch((err:BusinessError) => {
console.log('点击获取Png图片buffer err=' + err)
})
})
Button('测试writePngWithString')
.onClick(() => {
if (this.pngSource3 != undefined) {
if (!this.pngdecodeRun3) {
this.pngdecodeRun3 = true;
let pngj = new Pngj();
let png_worker: WorkerType = {
type: 'classic',
name: 'writePngWithStringAsync'
}
pngj.writePngWithStringAsync(png_worker, this.pngSource3, ( value:ESObject) => {
FileUtils.getInstance().createFileProcess(
this.rootFolder + '/pngj',
this.rootFolder + '/pngj/newPng.png',
value)
let png1 = new Uint8Array(value)
this.hint3 = 'png写入后长度' + png1.byteLength + '目录文件:' + this.rootFolder + '/pngj/newPng.png' + '保存后使用2进制查看数据是否新增'
this.pngdecodeRun3 = false;
},'hello world')
} else {
this.hint9 = '已经在执行了,请稍等'
}
} else {
this.hint9 = '请先点击此处获取buffer'
}
}).margin({ top: 5, left: 10 })
}.width('100%')
.height(60).backgroundColor(Color.Pink)
Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Button(this.hint10).fontSize(30)
.onClick(() => {
this.rootFolder = (ImageKnifeGlobal.getInstance().getHapContext() as common.UIAbilityContext).filesDir as string;
((ImageKnifeGlobal.getInstance().getHapContext() as common.UIAbilityContext)
.resourceManager as resourceManager.ResourceManager)
.getMediaContent($r('app.media.pngSample').id)
.then(data => {
this.pngSource4 = FileUtils.getInstance().uint8ArrayToBuffer(data);
this.hint10 = '获取buffer成功可以测试'
})
.catch((err:BusinessError) => {
console.log('点击获取Png图片buffer err=' + err)
})
})
Button('writePng')
.onClick(()=>{
if (this.pngSource4 != undefined) {
if (!this.pngdecodeRun4) {
this.pngdecodeRun4 = true;
let pngj = new Pngj();
let png_worker: WorkerType = {
type: 'classic',
name: 'writePngAsync'
}
pngj.writePngAsync(png_worker, this.pngSource4, ( value:ESObject) => {
FileUtils.getInstance().createFileProcess(
this.rootFolder + '/pngj',
this.rootFolder + '/pngj/newPng2.png',
value)
let png2 = new Uint8Array(value)
this.hint4 = 'png2未写入长度' + png2.byteLength + '目录文件:' + this.rootFolder + '/pngj/newPng2.png' + '保存后使用2进制查看数据是否新增'
this.pngdecodeRun4 = false;
})
} else {
this.hint10 = '已经在执行了,请稍等'
}
} else {
this.hint10 = '请先点击此处获取buffer'
}
})
.margin({ top: 5, left: 10 })
}.width('100%')
.height(60).backgroundColor(Color.Pink)
Text(this.hint1)
.width('100%')
.height(120)
Text(this.hint2)
.width('100%')
.height(120)
Text(this.hint3)
.width('100%')
.height(120)
Text(this.hint4)
.width('100%')
.height(120)
}
.width('100%')
.height('100%')
}
}
typedArrayToBuffer(array: Uint8Array): ArrayBuffer {
return array.buffer.slice(array.byteOffset, array.byteLength + array.byteOffset)
}
}

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/*
* Copyright (C) 2021 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import {ImageKnifeComponent} from '@ohos/libraryimageknife'
import {ImageKnifeOption} from '@ohos/libraryimageknife'
import {RotateImageTransformation} from '@ohos/libraryimageknife'
import {RoundedCornersTransformation} from '@ohos/libraryimageknife'
@Entry
@Component
struct ShowErrorholderTestCasePage {
@State imageKnifeOption1: ImageKnifeOption =
{
loadSrc: "https://thirdwx.qlogo.cn/mmopen/xxxxx",
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
};
@State imageKnifeOption: ImageKnifeOption =
{
loadSrc: "https://hbimg.huabanimg.com/xxxxx",
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
};
@State imageKnifeOption3: ImageKnifeOption =
{
loadSrc: "https://hbimg.huabanimg.com/xxxxx",
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
};
@State imageKnifeOption4: ImageKnifeOption =
{
loadSrc: "https://hbimg.huabanimg.com/xxxxx",
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
};
build() {
Scroll() {
Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption1 }).width(300).height(300)
ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption }).width(300).height(300)
ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption3 }).width(300).height(300)
ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption4 }).width(300).height(300)
}
}
.width('100%')
.height('100%')
}
}

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/*
* Copyright (C) 2021 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import {LruCache} from '@ohos/libraryimageknife'
function getRandomInt(min:number, max:number):number {
min = Math.ceil(min);
max = Math.floor(max);
return Math.floor(Math.random() * (max - min)) + min; //不含最大值,含最小值
}
@Entry
@Component
struct StorageTestLruCache {
@State logText:string = "打印日志结果";
@State nowNumText:string = "显示输入的数据";
mLruCache:LruCache<string,string> = new LruCache(5);
build() {
Scroll() {
Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Text("默认创建一个容量为5的LruCache")
.backgroundColor(Color.Blue)
Button("随机存入一个数字0-9")
.onClick(()=>{
let randomNum = getRandomInt(0,10);
this.nowNumText = ''+randomNum;
this.mLruCache.put(randomNum+"",randomNum+"")
this.logText = "日志结果:"+this.mLruCache.print();
}) .margin({top:20})
Button(this.nowNumText)
.margin({top:20})
Scroll() {
Text(this.logText).fontSize(15)
}.width(300).height(200).margin({top:20}).backgroundColor(Color.Pink)
}
.width('100%')
.height('100%')
}
}
}

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/*
* Copyright (C) 2022 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import {SVGParseImpl} from '@ohos/libraryimageknife'
import { ImageKnifeComponent } from '@ohos/libraryimageknife'
import resourceManager from '@ohos.resourceManager';
import {BusinessError} from '@ohos.base'
import common from '@ohos.app.ability.common';
@Entry
@Component
struct svgTestCasePage {
@State svgSamplePixelMap?: Resource = undefined
@State svgIconPixelMap?: Resource = undefined
build() {
Scroll() {
Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Flex({direction:FlexDirection.Row}){
Button("加载SVG图片")
.onClick(()=>{
this.svgSamplePixelMap = $r('app.media.svgSample')
}).margin({left:5}).backgroundColor(Color.Blue)
}
.margin({top:15})
Text("下面为展示图片区域").margin({top:5})
Flex({direction: FlexDirection.Column, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }){
ImageKnifeComponent({imageKnifeOption:{
loadSrc:this.svgSamplePixelMap as Resource
}})
.width(400)
.height(400)
.backgroundColor(Color.Pink)
}.width(400).height(400).margin({top:10}).backgroundColor(Color.Pink)
Flex({direction:FlexDirection.Row}){
Button("加载SVG图片")
.onClick(()=>{
this.svgIconPixelMap = $r('app.media.iconsvg')
}).margin({left:5}).backgroundColor(Color.Blue)
}
.margin({top:15})
Text("下面为展示图片区域").margin({top:5})
Flex({direction: FlexDirection.Column, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }){
ImageKnifeComponent({imageKnifeOption:{
loadSrc:this.svgIconPixelMap as Resource
}})
.width(400)
.height(400)
.backgroundColor(Color.Pink)
}.width(400).height(400).margin({top:10}).backgroundColor(Color.Pink)
}
}
.width('100%')
.height('100%')
}
aboutToAppear() {
console.log("aboutToAppear()")
}
typedArrayToBuffer(array: Uint8Array): ArrayBuffer {
return array.buffer.slice(array.byteOffset, array.byteLength + array.byteOffset)
}
}

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/*
* Copyright (C) 2022 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import {
ImageKnifeComponent,
ImageKnifeOption,
ImageKnifeGlobal,
ImageKnife,
ImageKnifeDrawFactory,
ScaleType
} from '@ohos/libraryimageknife'
import worker from '@ohos.worker';
@Entry
@Component
struct tempUrlTestPage {
@State imageKnifeOption1: ImageKnifeOption =
{
loadSrc: $r('app.media.icon'),
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed')
};
@State imageKnifeOption2: ImageKnifeOption =
{
loadSrc: $r('app.media.icon'),
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed')
};
build() {
Scroll() {
Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Text("简单示例1加载一张本地png图片").fontSize(15)
Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Button("加载PNG")
.onClick(() => {
this.imageKnifeOption1 = {
// loadSrc:"https://res.vmallres.com/cmscdn/CN/2023-03/a11790b9335a4d598d59f14795368e14.png.75.webp",
loadSrc:"https://xximg1.meitudata.com/2LqS1vmqv0.png!thumb-w321-webp75",
mainScaleType: ScaleType.FIT_XY,
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
drawLifeCycle:ImageKnifeDrawFactory.createRoundLifeCycle(0,'#00000000',30)
}
}).margin({ top: 5, left: 3 })
ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption1 }).width('100%').height(300).backgroundColor(Color.Orange)
}
.width('100%').height(400).backgroundColor(Color.Pink)
Text("简单示例2加载一张网络gif图片").fontSize(15)
Text("gif解析在子线程,请在页面构建后创建worker,注入imageknife").fontSize(15)
Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Button("加载GIF")
.onClick(() => {
this.imageKnifeOption2 = {
loadSrc: 'https://res.vmallres.com/cmscdn/CN/2023-03/7052a601ac3e428c84c9415ad9734735.gif',
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
displayProgress:true,
}
}).margin({ top: 5, left: 3 })
ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption2 }).width(300).height(300)
}.width('100%').backgroundColor(Color.Pink)
}.width('100%')
}
.width('100%')
.height('100%')
}
aboutToAppear() {
}
aboutToDisappear(){
}
onBackPress() {
}
}

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/*
* Copyright (C) 2021 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import {RequestOption} from '@ohos/libraryimageknife'
import {ImageKnifeData} from '@ohos/libraryimageknife'
import {AllCacheInfo,IAllCacheInfoCallback} from '@ohos/libraryimageknife'
import {ImageKnifeComponent} from '@ohos/libraryimageknife'
import {TransformType} from '@ohos/libraryimageknife'
import {ImageKnifeOption} from '@ohos/libraryimageknife'
import {ImageKnifeGlobal} from '@ohos/libraryimageknife'
import {RotateImageTransformation} from '@ohos/libraryimageknife'
import {BusinessError} from '@ohos.base'
@Entry
@Component
struct TestAllCacheInfoPage {
@State nativePixelMap?: PixelMap = undefined;
@State networkPixelMap?: PixelMap = undefined;
allCacheInfoCallback1:IAllCacheInfoCallback ={callback:(allCacheInfo:AllCacheInfo)=>{
let info = allCacheInfo as AllCacheInfo;
console.log("AllCacheInfoCallback imageknifecomponent1 memory ="+JSON.stringify(info.memoryCacheInfo))
console.log("AllCacheInfoCallback imageknifecomponent1 resource ="+JSON.stringify(info.resourceCacheInfo))
console.log("AllCacheInfoCallback imageknifecomponent1 data ="+JSON.stringify(info.dataCacheInfo))
this.cacheinfo3 = "memory="+JSON.stringify(info.memoryCacheInfo)+
"\n resource ="+JSON.stringify(info.resourceCacheInfo)+
"\n data ="+JSON.stringify(info.dataCacheInfo)
}}
allCacheInfoCallback2:IAllCacheInfoCallback ={callback:(allCacheInfo:AllCacheInfo)=>{
let info = allCacheInfo as AllCacheInfo;
console.log("AllCacheInfoCallback ImageKnifeComponent memory ="+JSON.stringify(info.memoryCacheInfo))
console.log("AllCacheInfoCallback ImageKnifeComponent resource ="+JSON.stringify(info.resourceCacheInfo))
console.log("AllCacheInfoCallback ImageKnifeComponent data ="+JSON.stringify(info.dataCacheInfo))
this.cacheinfo4 = "memory="+JSON.stringify(info.memoryCacheInfo)+
"\n resource ="+JSON.stringify(info.resourceCacheInfo)+
"\n data ="+JSON.stringify(info.dataCacheInfo)
}}
@State imageKnifeOption1: ImageKnifeOption =
{
loadSrc: $r('app.media.pngSample'),
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
transform: {
transformType:TransformType.RotateImageTransformation,
rotateImage:180
},
allCacheInfoCallback:this.allCacheInfoCallback1
};
@State imageKnifeOption: ImageKnifeOption =
{
loadSrc: "https://thirdwx.qlogo.cn/mmopen/vi_32/DYAIOgq83ericA1Mv66TwicuYOtbDMBcUhv1aa9RJBeAn9uURfcZD0AUGrJebAn1g2AjN0vb2E1XTET7fTuLBNmA/132",
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
transform: {
transformType:TransformType.RotateImageTransformation,
rotateImage:180
},
allCacheInfoCallback:this.allCacheInfoCallback2
};
imageKnifeComponentAngle:number = 90;
@State cacheinfo1:string = "观察本地资源获取缓存信息输出"
@State cacheinfo2:string = "观察网络资源获取缓存信息输出"
@State cacheinfo3:string = "观察ImageKnifeComponent本地缓存输出"
@State cacheinfo4:string = "观察ImageKnifeComponent网络缓存输出"
build() {
Scroll() {
Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Button("加载本地资源获取缓存信息")
.width(300).height(25)
.onClick(() => {
this.testAllCacheInfoNative();
}).margin({ top: 15 })
Scroll() {
Text(this.cacheinfo1).fontSize(15)
}.width(300).height(200)
Image(this.nativePixelMap == undefined ? '':this.nativePixelMap!)
.width(300)
.height(300)
.objectFit(ImageFit.Contain)
.backgroundColor(Color.Green)
.margin({ top: 15 })
Button("加载网络资源获取缓存信息").width(300).height(25)
.onClick(() => {
this.testAllCacheInfoNetwork();
}).margin({ top: 15 })
Scroll() {
Text(this.cacheinfo2).fontSize(15)
}.width(300).height(200)
Image(this.networkPixelMap==undefined?'':this.networkPixelMap! )
.width(300)
.height(300)
.objectFit(ImageFit.Contain)
.backgroundColor(Color.Green)
.margin({ top: 15 })
Button("ImageKnifeComponent加载本地资源获取缓存信息").width(300).height(25)
.onClick(() => {
this.imageKnifeComponentAngle = this.imageKnifeComponentAngle + 45;
this.imageKnifeOption1 =
{
loadSrc: $r('app.media.pngSample'),
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
transform: {
transformType:TransformType.RotateImageTransformation,
rotateImage:this.imageKnifeComponentAngle
},
allCacheInfoCallback:this.allCacheInfoCallback1
};
}).margin({ top: 15 })
Scroll() {
Text(this.cacheinfo3).fontSize(15)
}.width(300).height(200)
ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption1 })
Button("ImageKnifeComponent加载网络资源获取缓存信息").width(300).height(25)
.onClick(() => {
this.imageKnifeComponentAngle = this.imageKnifeComponentAngle + 45;
this.imageKnifeOption =
{
loadSrc: "https://thirdwx.qlogo.cn/mmopen/vi_32/DYAIOgq83ericA1Mv66TwicuYOtbDMBcUhv1aa9RJBeAn9uURfcZD0AUGrJebAn1g2AjN0vb2E1XTET7fTuLBNmA/132",
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
transform: {
transformType:TransformType.RotateImageTransformation,
rotateImage:this.imageKnifeComponentAngle
},
allCacheInfoCallback:this.allCacheInfoCallback2
};
})
Scroll() {
Text(this.cacheinfo4).fontSize(15)
}.width(300).height(200)
ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption }).width(300).height(300)
}
}
.width('100%')
.height('100%')
}
aboutToAppear() {
}
private testAllCacheInfoNative() {
let imageKnifeOption = new RequestOption();
imageKnifeOption.load($r('app.media.pngSample'))
.setImageViewSize({width:300,height:300})
.addListener({callback:(err:BusinessError|string, data:ImageKnifeData) => {
let pack = data.drawPixelMap?.imagePixelMap as PixelMap;;
this.nativePixelMap = pack;
return false;
}}).addAllCacheInfoCallback({callback:(allCacheInfo:AllCacheInfo)=>{
let info = allCacheInfo as AllCacheInfo;
console.log("AllCacheInfoCallback memory ="+JSON.stringify(info.memoryCacheInfo))
console.log("AllCacheInfoCallback resource ="+JSON.stringify(info.resourceCacheInfo))
console.log("AllCacheInfoCallback data ="+JSON.stringify(info.dataCacheInfo))
this.cacheinfo1 = "memory="+JSON.stringify(info.memoryCacheInfo)+
"\n resource ="+JSON.stringify(info.resourceCacheInfo)+
"\n data ="+JSON.stringify(info.dataCacheInfo)
}})
ImageKnife?.call(imageKnifeOption);
}
private testAllCacheInfoNetwork() {
let ImageKnifeOption = new RequestOption();
ImageKnifeOption.load("https://hbimg.huabanimg.com/0ef60041445edcfd6b38d20e19024b2cd9281dcc3525a4-Vy8fYO_fw658/format/webp")
.addListener({callback:(err:BusinessError|string, data:ImageKnifeData) => {
let pack = data.drawPixelMap?.imagePixelMap as PixelMap;
this.networkPixelMap = pack;
console.log("imageknife2 图片2 赋值!")
return false;
}}).addAllCacheInfoCallback({callback:(allCacheInfo:AllCacheInfo)=>{
let info = allCacheInfo as AllCacheInfo;
console.log("AllCacheInfoCallback memory ="+JSON.stringify(info.memoryCacheInfo))
console.log("AllCacheInfoCallback resource ="+JSON.stringify(info.resourceCacheInfo))
console.log("AllCacheInfoCallback data ="+JSON.stringify(info.dataCacheInfo))
this.cacheinfo2 = "memory="+JSON.stringify(info.memoryCacheInfo)+
"\n resource ="+JSON.stringify(info.resourceCacheInfo)+
"\n data ="+JSON.stringify(info.dataCacheInfo)
}})
.setImageViewSize({width:300,height:300})
.rotateImage(180)
ImageKnife?.call(ImageKnifeOption);
}
}
let ImageKnife = (ImageKnifeGlobal.getInstance().getImageKnife())

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/*
* Copyright (C) 2024 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import {
CustomDataFetchClient,
DataFetchResult,
DownloadClient,
ImageKnifeComponent,
ImageKnifeGlobal,
ImageKnifeOption,
LogUtil,
ScaleType
} from '@ohos/libraryimageknife';
import http from '@ohos.net.http';
class CommonDataSource <T> implements IDataSource {
private dataArray: T[] = []
private listeners: DataChangeListener[] = []
constructor(element: []) {
this.dataArray = element
}
public getData(index: number) {
return this.dataArray[index]
}
public totalCount(): number {
return this.dataArray.length
}
public addData(index: number, data: T[]): void {
this.dataArray = this.dataArray.concat(data)
this.notifyDataAdd(index)
}
unregisterDataChangeListener(listener: DataChangeListener): void {
const pos = this.listeners.indexOf(listener);
if (pos >= 0) {
this.listeners.splice(pos, 1);
}
}
registerDataChangeListener(listener: DataChangeListener): void {
if (this.listeners.indexOf(listener) < 0) {
this.listeners.push(listener)
}
}
notifyDataAdd(index: number): void {
this.listeners.forEach((listener: DataChangeListener) => {
listener.onDataAdd(index)
})
}
}
@Entry
@Component
struct TestCustomDataFetchClientWithPage {
@State hotCommendList: CommonDataSource<string> = new CommonDataSource<string>([])
@State singleImageKnifeOption: ImageKnifeOption =
{
loadSrc: $r('app.media.icon'),
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
};
@State isSingleImageVisible: boolean = true;
@State isAllImageVisible: boolean = false;
@State isCustom: boolean = false;
private isAllImageAdded: boolean = false;
private isCancelImageAdded: boolean = false;
private data: Array<string> = [
"http://img2.xkhouse.com/bbs/hfhouse/data/attachment/forum/corebbs/2009-11/2009113011534566298.jpg",
"http://a.hiphotos.baidu.com/image/pic/item/e824b899a9014c087eb617650e7b02087af4f464.jpg"
]
private addData: Array<string> = [
"http://c.hiphotos.baidu.com/image/pic/item/9c16fdfaaf51f3de1e296fa390eef01f3b29795a.jpg",
"http://h.hiphotos.baidu.com/image/pic/item/902397dda144ad340668b847d4a20cf430ad851e.jpg"
]
private cancelData: Array<string> = [
"http://b.hiphotos.baidu.com/image/pic/item/359b033b5bb5c9ea5c0e3c23d139b6003bf3b374.jpg",
"http://a.hiphotos.baidu.com/image/pic/item/8d5494eef01f3a292d2472199d25bc315d607c7c.jpg"
]
aboutToAppear(): void {
this.hotCommendList.addData(this.hotCommendList.totalCount(), this.data)
LogUtil.log('TestCustomDataFetch about to appear.')
}
build() {
Scroll() {
Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Button("单个图片").margin(16).onClick(() => {
LogUtil.log('TestCustomDataFetch click single.');
this.isSingleImageVisible = true;
this.isAllImageVisible = false;
this.singleImageKnifeOption = {
loadSrc: 'http://e.hiphotos.baidu.com/image/pic/item/4e4a20a4462309f7e41f5cfe760e0cf3d6cad6ee.jpg',
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
customGetImage: custom
}
})
Button("全部图片").margin(16).onClick(() => {
LogUtil.log('TestCustomDataFetch click all.');
this.isSingleImageVisible = false;
this.isAllImageVisible = true;
ImageKnifeGlobal.getInstance().getImageKnife()?.replaceDataFetch(new CustomDataFetchClient());
if (!this.isAllImageAdded) {
this.hotCommendList.addData(this.hotCommendList.totalCount(), this.addData);
this.isAllImageAdded = true;
}
})
Button("取消自定义全部图片").margin(16).onClick(() => {
LogUtil.log('TestCustomDataFetch click cancel.');
this.isSingleImageVisible = false;
this.isAllImageVisible = true;
ImageKnifeGlobal.getInstance().getImageKnife()?.replaceDataFetch(new DownloadClient());
if (!this.isCancelImageAdded) {
this.hotCommendList.addData(this.hotCommendList.totalCount(), this.cancelData);
this.isCancelImageAdded = true;
}
})
}
// 单个图片使用自定义网络栈
ImageKnifeComponent({ imageKnifeOption: this.singleImageKnifeOption })
.width(200)
.height(200)
.margin({ top: 50 })
.visibility(this.isSingleImageVisible ? Visibility.Visible : Visibility.None)
// 全部图片使用自定义网络栈
Column() {
Grid() {
LazyForEach(this.hotCommendList, (item: string) => {
GridItem() {
ImageKnifeComponent({
imageKnifeOption: {
loadSrc: item,
placeholderSrc: $r('app.media.icon'),
errorholderSrc: $r('app.media.icon_failed'),
placeholderScaleType: ScaleType.CENTER_CROP,
mainScaleType: ScaleType.CENTER_CROP,
}
}).width('100%').height('100%')
}.width('40%').height(200)
}, (item: string) => JSON.stringify(item))
}
.columnsTemplate('1fr 1fr')
.columnsGap(8)
.rowsGap(10)
.width('100%')
.hitTestBehavior(HitTestMode.None)
.maxCount(10)
}.margin({ top: 5 })
.visibility(this.isAllImageVisible ? Visibility.Visible : Visibility.None)
}
}
.width('100%')
.height('100%')
}
}
@Concurrent
async function custom(context: Context, loadSrc: string): Promise<DataFetchResult> {
let result: DataFetchResult = new DataFetchResult();
try {
let arrayBuffers = new Array<ArrayBuffer>();
let httpRequest = http.createHttp()
httpRequest.on('headersReceive', (header: Object) => {
// 跟服务器连接成功准备下载
})
httpRequest.on('dataReceive', (data: ArrayBuffer) => {
// 下载数据流多次返回
arrayBuffers.push(data);
})
httpRequest.on('dataEnd', () => {
// 下载完毕
})
const resultCode = await httpRequest.requestInStream(loadSrc as string,
{
method: http.RequestMethod.GET,
expectDataType: http.HttpDataType.ARRAY_BUFFER,
connectTimeout: 60000, // 可选 默认60000ms
readTimeout: 0, // 可选, 默认为60000ms
usingProtocol: http.HttpProtocol.HTTP1_1, // 可选,协议类型默认值由系统自动指定
usingCache: false
}).catch((err: Error) => {
result.error = 'TestCustomDataFetchClientWithPage requestInStream error.' + JSON.stringify(err);
})
if (resultCode == 200) {
//let combineArray = this.combineArrayBuffers(arrayBuffers);
// 计算多个ArrayBuffer的总字节大小
let totalByteLength = 0;
for (const arrayBuffer of arrayBuffers) {
totalByteLength += arrayBuffer.byteLength;
}
// 创建一个新的ArrayBuffer
const combinedArrayBuffer = new ArrayBuffer(totalByteLength);
// 创建一个Uint8Array来操作新的ArrayBuffer
const combinedUint8Array = new Uint8Array(combinedArrayBuffer);
// 依次复制每个ArrayBuffer的内容到新的ArrayBuffer中
let offset = 0;
for (const arrayBuffer of arrayBuffers) {
const sourceUint8Array = new Uint8Array(arrayBuffer);
combinedUint8Array.set(sourceUint8Array, offset);
offset += sourceUint8Array.length;
}
result.data = combinedArrayBuffer;
} else {
result.error = 'TestCustomDataFetchClientWithPage error. resultCode = ' + resultCode;
}
console.log('TestCustomDataFetch single onComplete, code = ' + resultCode + ',length = ' + result.data?.byteLength);
} catch (error) {
result.error = 'TestCustomDataFetchClientWithPage error' + error.stack;
}
return result;
}

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/*
* Copyright (C) 2022 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { ImageKnife,ImageKnifeGlobal,ImageKnifeOption,ImageKnifeComponent} from '@ohos/libraryimageknife'
@Entry
@Component
struct DiskPreLoadPage {
@State imageKnifeOption2: ImageKnifeOption =
{
loadSrc: $r('app.media.icon'),
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
};
build() {
Row() {
Column() {
Button("预加载图片").onClick(()=>{
let imageKnife: ImageKnife | undefined = ImageKnifeGlobal.getInstance().getImageKnife();
if(imageKnife != undefined){
imageKnife.prefetchToDiskCache("https://gd-hbimg.huaban.com/e0a25a7cab0d7c2431978726971d61720732728a315ae-57EskW_fw658")
.then((resolve)=>{
console.log("成功回调 " + resolve)
})
.catch((reject: ESObject) => {
console.log("失败回调 " + reject)
})
}
})
Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Button("加载GIF")
.onClick(() => {
this.imageKnifeOption2 = {
loadSrc: 'https://gd-hbimg.huaban.com/e0a25a7cab0d7c2431978726971d61720732728a315ae-57EskW_fw658',
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
displayProgress:true,
}
}).margin({ top: 5, left: 3 })
ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption2 }).width(300).height(300)
}.width('100%').backgroundColor(Color.Pink)
}
.width('100%')
}
.height('100%')
}
}

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/*
* Copyright (C) 2024 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { ImageKnifeComponent, ImageKnifeOption } from '@ohos/libraryimageknife'
@Entry
@Component
struct TestGifPlayTimesPage {
@State ImageKnifeOption1: ImageKnifeOption = {
loadSrc: $r('app.media.icon'),
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed')
}
build() {
Scroll() {
Column() {
Text("测试gif播放次数").fontSize(25)
Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Button("加载网络gif").onClick(() => {
this.ImageKnifeOption1 = {
loadSrc: "https://gd-hbimg.huaban.com/e0a25a7cab0d7c2431978726971d61720732728a315ae-57EskW_fw658",
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed')
}
})
Button("设置gif播放1次").onClick(() => {
this.ImageKnifeOption1 = {
loadSrc: "https://gd-hbimg.huaban.com/e0a25a7cab0d7c2431978726971d61720732728a315ae-57EskW_fw658",
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
gif: {
playTimes: 1
}
}
})
Button("设置gif播放2次").onClick(() => {
this.ImageKnifeOption1 = {
loadSrc: "https://gd-hbimg.huaban.com/e0a25a7cab0d7c2431978726971d61720732728a315ae-57EskW_fw658",
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
gif: {
playTimes: 2
}
}
})
}
ImageKnifeComponent({ imageKnifeOption: this.ImageKnifeOption1 }).width(300).height(300).borderWidth(3)
}
}
}
}

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/*
* Copyright (C) 2021 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { ImageKnifeComponent,AntiAliasing } from '@ohos/libraryimageknife'
import { ImageKnifeOption } from '@ohos/libraryimageknife'
import { RotateImageTransformation } from '@ohos/libraryimageknife'
import { RoundedCornersTransformation } from '@ohos/libraryimageknife'
@Entry
@Component
struct TestImageAntiAliasingWithPage {
@State imageKnifeOption1: ImageKnifeOption =
{
loadSrc: $r('app.media.icon_failed'),
};
build() {
Scroll() {
Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Text("ImageKnife开启抗锯齿").fontSize(15)
ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption1,imageSmoothingQuality: AntiAliasing.FIT_HIGH }).width(600).height(600)
Text("Image开启抗锯齿").fontSize(15)
Image($r('app.media.icon_failed'))
.width(600)
.height(600)
.margin(15)
.overlay('png', { align: Alignment.Bottom, offset: { x: 0, y: 20 } })
.interpolation(ImageInterpolation.High)
Text("ImageKnife开启抗锯齿且设置为中等").fontSize(15)
ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption1,imageSmoothingQuality: AntiAliasing.FIT_MEDIUM }).width(600).height(600)
Text("Image开启抗锯齿且设置为中等").fontSize(15)
Image($r('app.media.icon_failed'))
.width(600)
.height(600)
.margin(15)
.overlay('png', { align: Alignment.Bottom, offset: { x: 0, y: 20 } })
.interpolation(ImageInterpolation.Medium)
Text("ImageKnife未开启抗锯齿").fontSize(15)
ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption1,imageSmoothingEnabled: false }).width(600).height(600)
Text("Image未开启抗锯齿").fontSize(15)
Image($r('app.media.icon_failed'))
.width(600)
.height(600)
.margin(15)
.overlay('png', { align: Alignment.Bottom, offset: { x: 0, y: 20 } })
}
}
.width('100%')
.height('100%')
}
}

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/*
* Copyright (C) 2021 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { ComponentUtils } from '@ohos.arkui.UIContext'
import display from '@ohos.display';
import { ImageKnifeComponent,
ScaleType } from '@ohos/libraryimageknife'
import componentUtils from '@ohos.arkui.componentUtils';
@Entry
@Component
struct testImageKnifeAutoHeightPage {
private currentWidth: number =0
private currentHeight: number =0
@State value : componentUtils.ComponentInfo = componentUtils.getRectangleById("ImageKnifeCanvas");
aboutToAppear(){
let displayClas : ESObject =null
try {
displayClas = display.getDefaultDisplaySync()
console.info('........width'+ displayClas.width)
console.info('........height'+ displayClas.height)
}catch (e){
console.error('error' + e)
}
}
build(){
Scroll(){
Column(){
ImageKnifeComponent({
imageKnifeOption:{
loadSrc :$r('app.media.pngSample'),
mainScaleType:ScaleType.AUTO_HEIGHT,
}
})
.width("100%")
Button(){
Text('getRectangleById').fontSize(40).fontWeight(FontWeight.Bold);
}
.onClick(()=> {
this.value = componentUtils.getRectangleById("ImageKnifeCanvas")
this.currentWidth = px2vp(this.value.size.width)
this.currentHeight = px2vp(this.value.size.height)
console.log('currentWidth'+this.currentWidth)
console.log('currentHeight'+this.currentHeight)
})
}
}
}
}

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/*
* Copyright (C) 2021 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { ComponentUtils } from '@ohos.arkui.UIContext'
import display from '@ohos.display';
import { ImageKnifeComponent,
ScaleType } from '@ohos/libraryimageknife'
import componentUtils from '@ohos.arkui.componentUtils';
@Entry
@Component
struct testImageKnifeAutoPage {
private currentWidth: number =0
private currentHeight: number =0
@State value : componentUtils.ComponentInfo = componentUtils.getRectangleById("ImageKnifeCanvas");
aboutToAppear(){
let displayClas : ESObject =null
try {
displayClas = display.getDefaultDisplaySync()
console.info('........width'+ displayClas.width)
console.info('........height'+ displayClas.height)
}catch (e){
console.error('error' + e)
}
}
build(){
Scroll(){
Column(){
ImageKnifeComponent({
imageKnifeOption:{
loadSrc :$r('app.media.pngSample'),
mainScaleType:ScaleType.AUTO,
}
})
Button(){
Text('getRectangleById').fontSize(40).fontWeight(FontWeight.Bold);
}
.onClick(()=> {
this.value = componentUtils.getRectangleById("ImageKnifeCanvas")
this.currentWidth = px2vp(this.value.size.width)
this.currentHeight = px2vp(this.value.size.height)
console.log('currentWidth'+this.currentWidth)
console.log('currentHeight'+this.currentHeight)
})
}
}
}
}

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/*
* Copyright (C) 2021 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { ComponentUtils } from '@ohos.arkui.UIContext'
import display from '@ohos.display';
import { ImageKnifeComponent,
ScaleType } from '@ohos/libraryimageknife'
import componentUtils from '@ohos.arkui.componentUtils';
@Entry
@Component
struct testImageKnifeAutoWidthPage {
private currentWidth: number =0
private currentHeight: number =0
@State value : componentUtils.ComponentInfo = componentUtils.getRectangleById("ImageKnifeCanvas");
aboutToAppear(){
let displayClas : ESObject =null
try {
displayClas = display.getDefaultDisplaySync()
console.info('........width'+ displayClas.width)
console.info('........height'+ displayClas.height)
}catch (e){
console.error('error' + e)
}
}
build(){
Scroll(){
Column(){
ImageKnifeComponent({
imageKnifeOption:{
loadSrc :$r('app.media.pngSample'),
mainScaleType:ScaleType.AUTO_WIDTH,
}
})
.height(400)
Button(){
Text('getRectangleById').fontSize(40).fontWeight(FontWeight.Bold);
}
.onClick(()=> {
this.value = componentUtils.getRectangleById("ImageKnifeCanvas")
this.currentWidth = px2vp(this.value.size.width)
this.currentHeight = px2vp(this.value.size.height)
console.log('currentWidth'+this.currentWidth)
console.log('currentHeight'+this.currentHeight)
})
}
}
}
}

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/*
* Copyright (C) 2022 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import {
ImageKnifeComponent,
ImageKnifeOption,
ImageKnifeGlobal,
ImageKnife,
ImageKnifeData,
RequestOption,
Size,
CacheType
} from '@ohos/libraryimageknife'
import image from '@ohos.multimedia.image';
import { BusinessError } from '@ohos.base';
let imageKnife: ImageKnife | undefined = ImageKnifeGlobal.getInstance().getImageKnife();
@Entry
@Component
struct testImageKnifeCache {
@State url: string = '';
@State urlGif: string = 'https://gd-hbimg.huaban.com/e0a25a7cab0d7c2431978726971d61720732728a315ae-57EskW_fw658';
@State urlPng: string = 'https://img-blog.csdnimg.cn/20191215043500229.png';
@State urlJpg: string = 'https://hbimg.huabanimg.com/cc6af25f8d782d3cf3122bef4e61571378271145735e9-vEVggB';
@State urlBmp: string = 'https://img-blog.csdn.net/20140514114029140';
@State urlWebp: string = 'https://hbimg.huabanimg.com/95a6d37a39aa0b70d48fa18dc7df8309e2e0e8e85571e-x4hhks_fw658/format/webp';
@State imagePixelMap: PixelMap | undefined = undefined;
@State imagePixelMap_: PixelMap | undefined = undefined;
private index_: number = -1;
private tempSize: number = 200;
private timeId = -1;
private comSize: Size = {
width: this.tempSize,
height: this.tempSize,
}
@State imageKnifeOption: ImageKnifeOption =
{
loadSrc: $r('app.media.icon'),
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed')
};
loadSuccess = (data: ImageKnifeData) => {
clearTimeout(this.timeId);
if (data.isPixelMap()) {
if (data.drawPixelMap) {
let pixelmap = data.drawPixelMap.imagePixelMap
if (pixelmap) {
if (this.index_ == 1) {
this.imagePixelMap = pixelmap;
} else if (this.index_ == 2) {
this.imagePixelMap_ = pixelmap;
}
}
}
}
if (data.isGIFFrame()) {
let index: number = 0
if (data.drawGIFFrame) {
if (data.drawGIFFrame.imageGIFFrames) {
let renderGif = () => {
if (data.drawGIFFrame) {
if (data.drawGIFFrame.imageGIFFrames) {
let pixelmap = data.drawGIFFrame.imageGIFFrames[index].drawPixelMap
let delay = data.drawGIFFrame.imageGIFFrames[index].delay
if (pixelmap) {
if (this.index_ == 1) {
this.imagePixelMap = pixelmap;
} else if (this.index_ == 2) {
this.imagePixelMap_ = pixelmap;
}
}
index++;
if (index == data.drawGIFFrame.imageGIFFrames.length - 1) {
index = 0
}
this.timeId = setTimeout(renderGif, data!.drawGIFFrame!.imageGIFFrames![index].delay)
}
}
}
renderGif()
}
}
}
}
loadError = (err: BusinessError) => {
}
build() {
Scroll() {
Column() {
Text('图片内存和磁盘读取').fontSize(30);
Text('加载的缓存时候关闭掉网络').fontSize(15);
Row() {
Button('png')
.onClick(() => {
this.index_ = 0;
this.url = this.urlPng;
this.imageKnifeOption =
{
loadSrc: this.url,
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed')
}
})
Button('bmp')
.onClick(() => {
this.index_ = 0;
this.url = this.urlBmp;
this.imageKnifeOption =
{
loadSrc: this.url,
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed')
}
})
Button('webp')
.onClick(() => {
this.index_ = 0;
this.url = this.urlWebp;
this.imageKnifeOption =
{
loadSrc: this.url,
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed')
}
})
Button('jpg')
.onClick(() => {
this.index_ = 0;
this.url = this.urlJpg;
this.imageKnifeOption =
{
loadSrc: this.url,
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed')
}
})
Button('gif')
.onClick(() => {
this.index_ = 0;
this.url = this.urlGif;
this.imageKnifeOption =
{
loadSrc: this.url,
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed')
}
})
}
Row() {
Button('缓存图片')
.onClick(() => {
this.index_ = 1;
imageKnife?.isUrlExist(this.url, CacheType.Cache, this.comSize).then(this.loadSuccess)
.catch(this.loadError);
})
Button('磁盘图片')
.onClick(() => {
this.index_ = 2;
imageKnife?.isUrlExist(this.url, CacheType.Disk, this.comSize).then(this.loadSuccess)
.catch(this.loadError);
})
Button('默认')
.onClick(() => {
this.index_ = 2;
imageKnife?.isUrlExist(this.url, CacheType.Default, this.comSize).then(this.loadSuccess)
.catch(this.loadError);
})
}
Text('网络图').fontSize(15);
ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption })
.width(200)
.height(200)
.backgroundColor(Color.Orange)
Text('缓存图').fontSize(15);
ImageKnifeComponent({
imageKnifeOption: {
loadSrc: this.imagePixelMap as image.PixelMap
}
})
.width(200)
.height(200)
.backgroundColor(Color.Orange)
Text('磁盘图').fontSize(15);
ImageKnifeComponent({
imageKnifeOption: {
loadSrc: this.imagePixelMap_ as image.PixelMap
}
})
.width(200)
.height(200)
.backgroundColor(Color.Orange)
}
.alignItems(HorizontalAlign.Center)
.width('100%')
}
.width('100%')
.height('100%')
}
aboutToAppear() {
}
aboutToDisappear() {
}
onBackPress() {
}
}

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/*
* Copyright (C) 2023 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import {
Base64,
IDataFetch,
ImageKnife,
ImageKnifeComponent,
ImageKnifeGlobal,
ImageKnifeOption,
DataFetchResult,
RequestOption} from '@ohos/libraryimageknife'
import common from '@ohos.app.ability.common';
import resourceManager from '@ohos.resourceManager';
import { BusinessError } from '@ohos.base'
@Entry
@Component
struct TestImageKnifeDataFetch {
@State imageKnifeOption1: ImageKnifeOption =
{
loadSrc: $r('app.media.icon'),
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
};
build() {
Column(){
Text("简单示例1加载一张本地png图片").fontSize(15)
Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Button("加载PNG")
.onClick(() => {
let dataFetch:MyDataFetch = new MyDataFetch();
let imageKnife:ImageKnife|undefined = ImageKnifeGlobal.getInstance().getImageKnife()
if(imageKnife != undefined) {
imageKnife.replaceDataFetch(dataFetch)
}
this.imageKnifeOption1 = {
loadSrc: "",
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
isCacheable: false,
}
}).margin({ top: 5, left: 3 })
ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption1 }).width(300).height(300)
}.width('100%').backgroundColor(Color.Pink)
}
}
}
@Sendable
class MyDataFetch implements IDataFetch{
loadData(option: RequestOption) {
let result:DataFetchResult = new DataFetchResult();
((ImageKnifeGlobal.getInstance().getHapContext() as common.UIAbilityContext).resourceManager as resourceManager.ResourceManager)
.getMediaContentBase64($r('app.media.pngSample').id)
.then(data => {
let matchReg = ';base64,';
let firstIndex = data.indexOf(matchReg);
data = data.substring(firstIndex + matchReg.length, data.length)
console.log('MyDataFetch - 本地加载资源 解析后数据剔除非必要数据后data= ' + data)
let arrayBuffer = Base64.getInstance()
.decode(data);
result.data = arrayBuffer;
}).catch((err:BusinessError) => {
result.error = 'MyDataFetch - 本地加载资源err' + JSON.stringify(err);
})
return result;
}
}

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/*
* Copyright (C) 2022 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { ImageKnifeComponent, ImageKnifeOption } from '@ohos/libraryimageknife'
@Entry
@Component
struct testImageKnifeHeic {
@State imageKnifeOption1: ImageKnifeOption =
{
loadSrc: $r('app.media.yunHeic'),
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
};
@State flag: boolean = true;
build() {
Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Center }) {
Button("heic图片测试")
.onClick(() => {
this.flag = !this.flag
}).margin({ top: 15 })
if(this.flag) {
ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption1 }).width(300).height(300)
}
}.width('100%').height(400).backgroundColor(Color.Pink)
}
}

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/*
* Copyright (C) 2024 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import {
HeaderOptions,ImageKnife,ImageKnifeComponent,ImageKnifeData,ImageKnifeGlobal,RequestOption,ImageKnifeOption,ObjectKey
} from '@ohos/libraryimageknife'
import image from '@ohos.multimedia.image'
import { BusinessError } from '@ohos.base'
const TAG = "TEST-"
let timeId = -1
@Entry
@Component
struct testImageKnifeHttpRequestHeader {
@State pixelMap: PixelMap | undefined = undefined;
@State pixelMap1: PixelMap | undefined = undefined;
@State pixelMap2: PixelMap | undefined = undefined;
@State pixelMap3: PixelMap | undefined = undefined;
@State domeType1: boolean = false;
@State domeType2: boolean = false;
@State domeType3: boolean = false;
@State domeType4: boolean = false;
@State domeType5: boolean = false;
@State domeType6: boolean = false;
@State successHeader: string = "requestOption调用成功";
@State errorHeader: string = "requestOption调用失败";
@State successHeader1: string = "全局调用imageKnife成功";
@State errorHeader1: string = "全局调用imageKnife失败";
@State successHeader2: string = "单个imageKnife组件调用成功";
@State errorHeader2: string = "单个imageKnife组件调用失败";
@State message: string = "图片header属性测试";
@State headerOptions1: HeaderOptions = {
key: "refer",
value: "http://1.94.37.200:7070/AntiTheftChain/downloadImage"
};
@State headerOptions2: HeaderOptions = {
key: "xx",
value: "http://1.94.37.200:7070/AntiTheftChain/downloadImage"
};
@State imageKnifeOption1: ImageKnifeOption =
{
loadSrc: 'http://1.94.37.200:7070/AntiTheftChain/downloadImage',
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
signature: new ObjectKey('refer11'),
headerOption: [this.headerOptions1]
};
@State imageKnifeOption2: ImageKnifeOption =
{
loadSrc: 'http://1.94.37.200:7070/AntiTheftChain/downloadImage',
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
signature: new ObjectKey('xx22'),
headerOption: [this.headerOptions2]
};
// RequestOption调用
load(src: string | image.PixelMap | Resource, type: string, num: number) {
clearTimeout(timeId)
let request = new RequestOption()
let key: string | null = ''
if (type == 'error') {
key = 'xx'
} else {
key = 'refer'
}
request.addHeader(key, src)
//清理缓存
request.signature = new ObjectKey(key + num)
key = null
request.load(src)
.addListener({ callback: (err: BusinessError | string, data: ImageKnifeData) => {
if (data.isPixelMap()) {
if (data.drawPixelMap) {
let pixelmap = data.drawPixelMap.imagePixelMap
if (pixelmap) {
if (num == 1) {
this.pixelMap = pixelmap
} else if (num == 2) {
this.pixelMap1 = pixelmap
} else if (num == 3) {
this.pixelMap2 = pixelmap
} else if (num == 4) {
this.pixelMap3 = pixelmap
}
}
}
}
if (data.isGIFFrame()) {
let index: number = 0
if (data.drawGIFFrame) {
if (data.drawGIFFrame.imageGIFFrames) {
let renderGif = () => {
if (data.drawGIFFrame) {
if (data.drawGIFFrame.imageGIFFrames) {
let pixelmap = data.drawGIFFrame.imageGIFFrames[index].drawPixelMap
let delay = data.drawGIFFrame.imageGIFFrames[index].delay
if (pixelmap) {
if (num == 1) {
this.pixelMap = pixelmap
} else if (num == 2) {
this.pixelMap1 = pixelmap
} else if (num == 3) {
this.pixelMap2 = pixelmap
} else if (num == 4) {
this.pixelMap3 = pixelmap
}
}
index++;
if (index == data.drawGIFFrame.imageGIFFrames.length - 1) {
index = 0
}
timeId = setTimeout(renderGif, data!.drawGIFFrame!.imageGIFFrames![index].delay)
}
}
}
renderGif()
}
}
}
if (err) {
console.log(TAG + "error:" + JSON.stringify(err));
}
return false
}
})
let imageknife: ImageKnife | undefined = ImageKnifeGlobal.getInstance().getImageKnife()
if (imageknife != undefined) {
imageknife.call(request)
}
}
@Builder
setHeader() {
ImageKnifeComponent({
imageKnifeOption: {
loadSrc: this.pixelMap as image.PixelMap
}
}).width(200).height(200).borderWidth(1)
}
@Builder
setHeader3() {
ImageKnifeComponent({
imageKnifeOption: {
loadSrc: this.pixelMap1 as image.PixelMap
}
}).width(200).height(200).borderWidth(1)
}
@Builder
setHeader1() {
ImageKnifeComponent({
imageKnifeOption: {
loadSrc: this.pixelMap2 as image.PixelMap
}
}).width(200).height(200).borderWidth(1)
}
@Builder
setHeader4() {
ImageKnifeComponent({
imageKnifeOption: {
loadSrc: this.pixelMap3 as image.PixelMap
}
}).width(200).height(200).borderWidth(1)
}
@Builder
setHeader2() {
ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption1 })
.margin(16)
.width(200)
.height(200)
}
@Builder
setHeader5() {
ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption2 })
.margin(16)
.width(200)
.height(200)
}
build() {
Scroll() {
Column() {
Text(`${this.message}`)
.width("300vp")
.height("60vp")
.textAlign(TextAlign.Center)
.fontSize("30fp")
.fontWeight(FontWeight.Bold)
Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Start }) {
Button(this.successHeader)
.margin(16)
.onClick(() => {
this.domeType1 = !this.domeType1
this.load('http://1.94.37.200:7070/AntiTheftChain/downloadImage', 'success', 1)
})
if (this.domeType1) {
this.setHeader()
}
Button(this.errorHeader)
.margin(16)
.onClick(() => {
this.domeType2 = !this.domeType2
this.load('http://1.94.37.200:7070/AntiTheftChain/downloadImage', 'error', 2)
})
if (this.domeType2) {
this.setHeader3()
}
Button(this.successHeader1)
.margin(16)
.onClick(() => {
this.domeType3 = !this.domeType3
this.load('http://1.94.37.200:7070/AntiTheftChain/downloadImage', 'success', 3)
})
if (this.domeType3) {
this.setHeader1()
}
Button(this.errorHeader1)
.margin(16)
.onClick(() => {
this.domeType4 = !this.domeType4
this.load('http://1.94.37.200:7070/AntiTheftChain/downloadImage', 'error', 4)
})
if (this.domeType4) {
this.setHeader4()
}
Button(this.successHeader2)
.margin(16)
.onClick(() => {
this.domeType5 = !this.domeType5
})
if (this.domeType5) {
this.setHeader2()
}
Button(this.errorHeader2)
.margin(16)
.onClick(() => {
this.domeType6 = !this.domeType6
})
if (this.domeType6) {
this.setHeader5()
}
}
}.width("100%")
.justifyContent(FlexAlign.Start)
}
}
}

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/*
* Copyright (C) 2022 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import {
HeaderOptions,ImageKnife,ImageKnifeComponent,ImageKnifeData,ImageKnifeGlobal,RequestOption,ImageKnifeOption,ObjectKey
} from '@ohos/libraryimageknife'
import image from '@ohos.multimedia.image'
import { BusinessError } from '@ohos.base'
const TAG = "TEST-"
let timeId = -1
@Entry
@Component
struct testImageKnifeHttpRequestHeader1 {
@State pixelMap: PixelMap | undefined = undefined;
@State pixelMap1: PixelMap | undefined = undefined;
@State domeType1: boolean = false;
@State domeType2: boolean = false;
@State successHeader: string = "requestOption调用成功";
@State errorHeader: string = "requestOption调用失败";
@State allKeySame: string = "全局添加header和request成功的键相同值不同";
@State allKeyNoSame: string = "全局添加header和request成功的键不同";
@State clearnAllHeader: string = "清空全局header";
@State message: string = "图片header属性测试";
imageKnife: ImageKnife | undefined = ImageKnifeGlobal.getInstance().getImageKnife()
// RequestOption调用
load(src: string | image.PixelMap | Resource, type: string, num: number) {
clearTimeout(timeId)
let request = new RequestOption()
if (type == 'error') {
request.addHeader('xx', src)
} else {
request.addHeader('refer', src)
}
//清理缓存
request.signature = new ObjectKey(new Date().getTime().toString())
request.load(src)
.addListener({ callback: (err: BusinessError | string, data: ImageKnifeData) => {
if (data.isPixelMap()) {
if (data.drawPixelMap) {
let pixelmap = data.drawPixelMap.imagePixelMap
if (pixelmap) {
if (num == 1) {
this.pixelMap = pixelmap
} else if (num == 2) {
this.pixelMap1 = pixelmap
}
}
}
}
if (data.isGIFFrame()) {
let index: number = 0
if (data.drawGIFFrame) {
if (data.drawGIFFrame.imageGIFFrames) {
let renderGif = () => {
if (data.drawGIFFrame) {
if (data.drawGIFFrame.imageGIFFrames) {
let pixelmap = data.drawGIFFrame.imageGIFFrames[index].drawPixelMap
let delay = data.drawGIFFrame.imageGIFFrames[index].delay
if (pixelmap) {
if (num == 1) {
this.pixelMap = pixelmap
} else if (num == 2) {
this.pixelMap1 = pixelmap
}
}
index++;
if (index == data.drawGIFFrame.imageGIFFrames.length - 1) {
index = 0
}
timeId = setTimeout(renderGif, data!.drawGIFFrame!.imageGIFFrames![index].delay)
}
}
}
renderGif()
}
}
}
if (err) {
console.log(TAG + "error:" + JSON.stringify(err));
}
return false
}
})
let imageknife: ImageKnife | undefined = ImageKnifeGlobal.getInstance().getImageKnife()
if (imageknife != undefined) {
imageknife.call(request)
}
}
@Builder
setHeader() {
ImageKnifeComponent({
imageKnifeOption: {
loadSrc: this.pixelMap as image.PixelMap
}
}).width(200).height(200).borderWidth(1)
}
@Builder
setHeader1() {
ImageKnifeComponent({
imageKnifeOption: {
loadSrc: this.pixelMap1 as image.PixelMap
}
}).width(200).height(200).borderWidth(1)
}
build() {
Scroll() {
Column() {
Text(`${this.message}`)
.width("300vp")
.height("60vp")
.textAlign(TextAlign.Center)
.fontSize("30fp")
.fontWeight(FontWeight.Bold)
Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Start }) {
Button(this.successHeader)
.margin(16)
.onClick(() => {
this.domeType1 = !this.domeType1
this.load('http://1.94.37.200:7070/AntiTheftChain/downloadImage', 'success', 1)
})
if (this.domeType1) {
this.setHeader()
}
Button(this.errorHeader)
.margin(16)
.onClick(() => {
this.domeType2 = !this.domeType2
this.load('http://1.94.37.200:7070/AntiTheftChain/downloadImage', 'error', 2)
})
if (this.domeType2) {
this.setHeader1()
}
Button(this.allKeySame)
.margin(16)
.onClick(() => {
this.imageKnife?.addHeader('refer','test')
})
Button(this.allKeyNoSame)
.margin(16)
.onClick(() => {
this.imageKnife?.addHeader('ceshi','http://1.94.37.200:7070/AntiTheftChain/downloadImage')
})
Button(this.clearnAllHeader)
.margin(16)
.onClick(() => {
this.imageKnife?.deleteHeader('refer');
this.imageKnife?.deleteHeader('ceshi');
})
}
}.width("100%")
.justifyContent(FlexAlign.Start)
}
}
}

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/*
* Copyright (C) 2024 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { ImageKnifeComponent, ImageKnifeOption } from '@ohos/libraryimageknife'
@Entry
@Component
struct testImageKnifeCache {
@State imageKnifeOption: ImageKnifeOption =
{
loadSrc: $r('app.media.icon'),
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
};
build() {
Scroll() {
Column() {
Text('测试失败场景时关闭掉网络').fontSize(15);
Row() {
Button('测试加载成功/失败监听')
.onClick(() => {
this.imageKnifeOption =
{
loadSrc: 'https://gd-hbimg.huaban.com/e0a25a7cab0d7c2431978726971d61720732728a315ae-57EskW_fw658',
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
onLoadListener: {
onLoadSuccess: (data) => {
console.log('Load Successful: ' + data);
return data;
},
onLoadFailed: (err) => {
console.error('Load Failed Reason: ' + err);
}
}
}
})
}
Text('网络图').fontSize(15);
ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption })
.width(200)
.height(200)
.backgroundColor(Color.Orange)
}
.alignItems(HorizontalAlign.Center)
.width('100%')
}
.width('100%')
.height('100%')
}
aboutToAppear() {
}
aboutToDisappear() {
}
onBackPress() {
}
}

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/*
* Copyright (C) 2024 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { ImageKnifeComponent, ImageKnifeOption } from '@ohos/libraryimageknife'
@Entry
@Component
struct testImageKnifeNetPlaceholder {
@State imageKnifeOption: ImageKnifeOption =
{
loadSrc: $r('app.media.icon'),
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
};
@State imageKnifeOption1: ImageKnifeOption =
{
loadSrc: $r('app.media.icon'),
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
};
@State imageKnifeOption2: ImageKnifeOption =
{
loadSrc: $r('app.media.icon'),
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
};
build() {
Scroll() {
Column() {
Text('string类型占位图支持内存和磁盘读取').fontSize(30);
Text('验证磁盘有无图片可以先主图缓存一张图片,再退出应用').fontSize(15);
Text('仅第一次打开应用加载主图可以看到效果,因主图第二次加载速度很快').fontSize(15);
Row() {
Button('缓存一张图片作为占位图 图一')
.onClick(() => {
this.imageKnifeOption =
{
loadSrc: 'https://img-blog.csdn.net/20140514114029140',
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
}
})
}
Text('当图一没有展示,会从磁盘中拿占位图').fontSize(15);
Text('当图一展示时,会从内存中拿占位图,不会走磁盘逻辑').fontSize(15);
Text('下图展示的为后备回调符的图片').fontSize(15);
ImageKnifeComponent({ imageKnifeOption: {loadSrc:$r('app.media.mask_starfish')} })
.width(200)
.height(200)
.backgroundColor(Color.Orange)
Text('下图展示的主图为图二string类型的占位图').fontSize(15);
Text('图一:').fontSize(20);
ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption })
.width(200)
.height(200)
.backgroundColor(Color.Orange)
Row() {
Button('展示已缓存的占位图')
.onClick(() => {
this.imageKnifeOption1 =
{
loadSrc : $r('app.media.pngSample'),
placeholderSrc: 'https://img-blog.csdn.net/20140514114029140',
fallbackSrc: $r('app.media.mask_starfish'),
errorholderSrc: $r('app.media.icon_failed'),
}
})
Button('当占位图未缓存时展示后备回调符')
.onClick(() => {
this.imageKnifeOption2 =
{
loadSrc : $r('app.media.gifSample'),
placeholderSrc: 'https://img0.baidu.com/it/u=2794536113,2700219306&fm=253&fmt=auto&app=120&f=JPEG?w=500&h=500',
fallbackSrc: $r('app.media.mask_starfish'),
errorholderSrc: $r('app.media.icon_failed'),
}
})
}
Text('展示已缓存的占位图,如图一未加载过则会显示后备回调符').fontSize(15);
Text('图二:').fontSize(20);
ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption1 })
.width(200)
.height(200)
.backgroundColor(Color.Orange)
Text('占位图未缓存展示后备回调符,如图三').fontSize(15);
Text('图三:').fontSize(20);
ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption2 })
.width(200)
.height(200)
.backgroundColor(Color.Orange)
}
.alignItems(HorizontalAlign.Center)
.width('100%')
}
.width('100%')
.height('100%')
}
aboutToAppear() {
}
aboutToDisappear() {
}
onBackPress() {
}
}

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/*
* Copyright (C) 2021 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the 'License');
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an 'AS IS' BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import {ImageKnifeComponent} from '@ohos/libraryimageknife'
import {ImageKnifeOption} from '@ohos/libraryimageknife'
import {ImageKnifeGlobal} from '@ohos/libraryimageknife'
import {ImageKnife} from '@ohos/libraryimageknife'
import {RotateImageTransformation} from '@ohos/libraryimageknife'
import ArkWorker from '@ohos.worker'
import worker from '@ohos.worker'
@Entry
@Component
struct TestImageKnifeOptionChangedPage {
svgUrl:string = ''
@State imageKnifeOption1: ImageKnifeOption =
{
loadSrc: $r('app.media.jpgSample'),
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
};
build() {
Scroll() {
Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Flex({direction:FlexDirection.Row}){
Button('本地jpg')
.onClick(()=>{
this.imageKnifeOption1 = {
loadSrc: $r('app.media.jpgSample'),
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
};
}).margin({left:5}).backgroundColor(Color.Blue)
Button('png')
.onClick(()=>{
this.imageKnifeOption1 = {
loadSrc: $r('app.media.pngSample'),
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
};
}).margin({left:5}).backgroundColor(Color.Blue)
Button('bmp')
.onClick(()=>{
this.imageKnifeOption1 = {
loadSrc: $r('app.media.bmpSample'),
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
};
}).margin({left:5}).backgroundColor(Color.Blue)
Button('webp')
.onClick(()=>{
this.imageKnifeOption1 = {
loadSrc: $r('app.media.jpgSample'),
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed')
};
}).margin({left:5}).backgroundColor(Color.Blue)
Button('svg')
.onClick(()=>{
this.imageKnifeOption1 = {
loadSrc: $r('app.media.svgSample'),
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed')
};
}).margin({left:5}).backgroundColor(Color.Blue)
Button('gif')
.onClick(()=>{
this.imageKnifeOption1 = {
loadSrc: $r('app.media.gifSample'),
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed')
};
}).margin({left:5}).backgroundColor(Color.Blue)
}
.margin({top:15})
Flex({direction:FlexDirection.Row}){
Button('网络jpg')
.onClick(()=>{
this.imageKnifeOption1 = {
loadSrc: 'https://hbimg.huabanimg.com/cc6af25f8d782d3cf3122bef4e61571378271145735e9-vEVggB',
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed')
};
}).margin({left:5}).backgroundColor(Color.Blue)
Button('png')
.onClick(()=>{
this.imageKnifeOption1 = {
loadSrc: 'https://img-blog.csdnimg.cn/20191215043500229.png',
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed')
};
}).margin({left:5}).backgroundColor(Color.Blue)
Button('bmp')
.onClick(()=>{
this.imageKnifeOption1 = {
loadSrc: 'https://img-blog.csdn.net/20140514114029140',
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed')
};
}).margin({left:5}).backgroundColor(Color.Blue)
Button('webp')
.onClick(()=>{
this.imageKnifeOption1 = {
loadSrc: 'https://hbimg.huabanimg.com/95a6d37a39aa0b70d48fa18dc7df8309e2e0e8e85571e-x4hhks_fw658/format/webp',
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed')
};
}).margin({left:5}).backgroundColor(Color.Blue)
Text("请先设置SVG图片的url地址")
TextArea({ placeholder: '请输入SVG图片的url地址' })
.placeholderColor("rgb(0,0,35)")
.placeholderFont({ size: 20, weight: 100, family: 'cursive', style: FontStyle.Italic })
.textAlign(TextAlign.Center)
.caretColor(Color.Blue)
.height(40)
.width(400)
.fontSize(20)
.fontWeight(FontWeight.Bold)
.fontFamily("sans-serif")
.fontStyle(FontStyle.Normal)
.fontColor(Color.Red)
.onChange((value: string) => {
this.svgUrl = value
})
Button('svg')
.onClick(()=>{
this.imageKnifeOption1 = {
loadSrc: this.svgUrl,
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed')
};
}).margin({left:5}).backgroundColor(Color.Blue)
Button('gif')
.onClick(()=>{
this.imageKnifeOption1 = {
loadSrc: 'https://gd-hbimg.huaban.com/e0a25a7cab0d7c2431978726971d61720732728a315ae-57EskW_fw658',
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed')
};
}).margin({left:5}).backgroundColor(Color.Blue)
Button("dpg")
.onClick(()=>{
this.imageKnifeOption1 = {
loadSrc: "https://img13.360buyimg.com/n1/jfs/t1/220646/38/10395/30916/61d6e061E1a6d91c8/c0a9a67e726dd7a4.jpg.dpg",
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed')
};
}).margin({left:5}).backgroundColor(Color.Blue)
}
.margin({top:15})
Text('下面为展示图片区域').margin({top:5})
Flex({direction: FlexDirection.Column, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }){
ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption1 })
.width(300)
.height(300)
}.width(400).height(400).margin({top:10}).backgroundColor(Color.Pink)
}
}
.width('100%')
.height('100%')
}
aboutToAppear() {
}
aboutToDisappear(){
}
}

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/*
* Copyright (C) 2021 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import {ImageKnifeComponent} from '@ohos/libraryimageknife'
import {ImageKnifeOption} from '@ohos/libraryimageknife'
import {BaseTransform} from '@ohos/libraryimageknife'
import {RotateImageTransformation} from '@ohos/libraryimageknife'
import {GrayscaleTransformation} from '@ohos/libraryimageknife'
import {SketchFilterTransformation} from '@ohos/libraryimageknife'
import image from '@ohos.multimedia.image'
@Entry
@Component
struct TestImageKnifeOptionChangedPage2 {
@State imageKnifeOption1: ImageKnifeOption =
{
loadSrc: $r('app.media.jpgSample'),
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
thumbSizeMultiplier:0.1
};
build() {
Scroll() {
Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Flex({direction:FlexDirection.Row}){
Button("网络jpg")
.onClick(()=>{
let rotateTrans:BaseTransform<image.PixelMap> = new RotateImageTransformation(180)
this.imageKnifeOption1 = {
loadSrc: "https://hbimg.huabanimg.com/cc6af25f8d782d3cf3122bef4e61571378271145735e9-vEVggB",
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
thumbSizeMultiplier:0.1,
transformation:rotateTrans
};
}).margin({left:5}).backgroundColor(Color.Blue)
Button("png")
.onClick(()=>{
this.imageKnifeOption1 = {
loadSrc: "https://img-blog.csdnimg.cn/20191215043500229.png",
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
thumbSizeMultiplier:0.1,
transformations:[new RotateImageTransformation(180)]
};
}).margin({left:5}).backgroundColor(Color.Blue)
Button("bmp")
.onClick(()=>{
this.imageKnifeOption1 = {
loadSrc: "https://img-blog.csdn.net/20140514114029140",
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
thumbSizeMultiplier:0.1,
transformations:[new GrayscaleTransformation()]
};
}).margin({left:5}).backgroundColor(Color.Blue)
Button("webp")
.onClick(()=>{
this.imageKnifeOption1 = {
loadSrc: "https://hbimg.huabanimg.com/95a6d37a39aa0b70d48fa18dc7df8309e2e0e8e85571e-x4hhks_fw658/format/webp",
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
thumbSizeMultiplier:0.1,
transformations:[new SketchFilterTransformation()]
};
}).margin({left:5}).backgroundColor(Color.Blue)
}
.margin({top:15})
Text("下面为展示图片区域").margin({top:5})
Flex({direction: FlexDirection.Column, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }){
ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption1 }).width(300).height(300)
}.width(400).height(400).margin({top:10}).backgroundColor(Color.Pink)
}
}
.width('100%')
.height('100%')
}
aboutToAppear() {
console.log("aboutToAppear()")
}
}

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/*
* Copyright (C) 2021 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import {ImageKnifeComponent} from '@ohos/libraryimageknife'
import {ImageKnifeOption} from '@ohos/libraryimageknife'
import {ImageKnifeGlobal} from '@ohos/libraryimageknife'
import {ImageKnife} from '@ohos/libraryimageknife'
import {ScaleType} from '@ohos/libraryimageknife'
import {RotateImageTransformation} from '@ohos/libraryimageknife'
import {GrayscaleTransformation} from '@ohos/libraryimageknife'
import {SketchFilterTransformation} from '@ohos/libraryimageknife'
import ArkWorker from '@ohos.worker'
import worker from '@ohos.worker'
import {BaseTransform} from '@ohos/libraryimageknife'
import image from '@ohos.multimedia.image'
@Entry
@Component
struct TestImageKnifeOptionChangedPage3 {
@State imageKnifeOption1: ImageKnifeOption =
{
loadSrc: $r('app.media.jpgSample'),
mainScaleType: ScaleType.FIT_CENTER,
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
};
@State compWidht:number = 300
@State compHeight:number = 300
build() {
Scroll() {
Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Flex({direction:FlexDirection.Row}){
Button("本地jpg")
.onClick(()=>{
let rotateTrans:BaseTransform<image.PixelMap> = new RotateImageTransformation(180)
this.imageKnifeOption1 = {
loadSrc: $r('app.media.jpgSample'),
mainScaleType: ScaleType.FIT_CENTER,
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
thumbSizeMultiplier:0.1,
transformation:rotateTrans,
};
}).margin({left:5}).backgroundColor(Color.Blue)
Button("本地png")
.onClick(()=>{
let rotateTrans:BaseTransform<image.PixelMap> = new RotateImageTransformation(180)
this.imageKnifeOption1 = {
loadSrc: $r('app.media.pngSample'),
mainScaleType: ScaleType.FIT_CENTER,
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
thumbSizeMultiplier:0.1,
transformation:rotateTrans,
};
}).margin({left:5}).backgroundColor(Color.Blue)
}.margin({top:15})
Flex({direction:FlexDirection.Row}){
Button("本地bmp")
.onClick(()=>{
this.imageKnifeOption1 = {
loadSrc: $r('app.media.bmpSample'),
mainScaleType: ScaleType.FIT_CENTER,
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
thumbSizeMultiplier:0.1,
transformations:[new GrayscaleTransformation()],
};
}).margin({left:5}).backgroundColor(Color.Blue)
Button("本地webp")
.onClick(()=>{
this.imageKnifeOption1 = {
loadSrc: $r('app.media.webpSample'),
mainScaleType: ScaleType.FIT_CENTER,
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
thumbSizeMultiplier:0.1,
transformations:[new SketchFilterTransformation()],
};
}).margin({left:5}).backgroundColor(Color.Blue)
}.margin({top:15})
Flex({direction:FlexDirection.Row}){
Button("网络jpg")
.onClick(()=>{
let rotateTrans:BaseTransform<image.PixelMap> = new RotateImageTransformation(180)
this.imageKnifeOption1 = {
loadSrc: "https://hbimg.huabanimg.com/cc6af25f8d782d3cf3122bef4e61571378271145735e9-vEVggB",
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
displayProgress:true,
thumbSizeMultiplier:0.1,
transformation:rotateTrans
};
}).margin({left:5}).backgroundColor(Color.Blue)
Button("网络png")
.onClick(()=>{
this.imageKnifeOption1 = {
loadSrc: "https://img-blog.csdnimg.cn/20191215043500229.png",
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
displayProgress:true,
thumbSizeMultiplier:0.1,
transformations:[new RotateImageTransformation(180)]
};
}).margin({left:5}).backgroundColor(Color.Blue)
}.margin({top:15})
Flex({direction:FlexDirection.Row}){
Button("网络bmp")
.onClick(()=>{
this.imageKnifeOption1 = {
loadSrc: "https://img-blog.csdn.net/20140514114029140",
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
displayProgress:true,
thumbSizeMultiplier:0.1,
transformations:[new GrayscaleTransformation()]
};
}).margin({left:5}).backgroundColor(Color.Blue)
Button("网络webp")
.onClick(()=>{
this.imageKnifeOption1 = {
loadSrc: "https://hbimg.huabanimg.com/95a6d37a39aa0b70d48fa18dc7df8309e2e0e8e85571e-x4hhks_fw658/format/webp",
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
displayProgress:true,
thumbSizeMultiplier:0.1,
};
}).margin({left:5}).backgroundColor(Color.Blue)
}.margin({top:15})
Text("下面为展示图片区域").margin({top:5})
Flex({direction: FlexDirection.Column, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }){
ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption1 }).width(this.compWidht).height(this.compHeight)
}.width(400).height(400).margin({top:10}).backgroundColor(Color.Pink)
}
}
.width('100%')
.height('100%')
}
aboutToAppear() {
}
aboutToDisappear(){
}
}

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/*
* Copyright (C) 2021 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import {
GrayscaleTransformation,
ImageKnifeComponent,
ImageKnifeData,
ImageKnifeOption,
RotateImageTransformation,
SketchFilterTransformation,
ScaleTypeHelper,
IDrawLifeCycle,
ScaleType,
ImageKnifeGlobal,
BaseTransform
} from '@ohos/libraryimageknife'
import ArkWorker from '@ohos.worker'
import worker from '@ohos.worker';
import image from '@ohos.multimedia.image';
@Entry
@Component
struct TestImageKnifeOptionChangedPage4 {
@State imageKnifeOption1: ImageKnifeOption =
{
loadSrc: $r('app.media.jpgSample'),
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
thumbSizeMultiplier: 0.1,
drawLifeCycle: this.createViewLifeCycle()
};
private mTimerId: number = 0
build() {
Scroll() {
Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Flex({ direction: FlexDirection.Row }) {
Button("网络jpg")
.onClick(() => {
let rotateTrans: BaseTransform<image.PixelMap> = new RotateImageTransformation(180)
this.imageKnifeOption1 = {
loadSrc: "https://hbimg.huabanimg.com/cc6af25f8d782d3cf3122bef4e61571378271145735e9-vEVggB",
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
thumbSizeMultiplier: 0.1,
transformation: rotateTrans,
drawLifeCycle: this.createViewLifeCycle()
};
}).margin({ left: 5 }).backgroundColor(Color.Blue)
Button("网络png")
.onClick(() => {
this.imageKnifeOption1 = {
loadSrc: "https://img-blog.csdnimg.cn/20191215043500229.png",
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
thumbSizeMultiplier: 0.1,
transformations: [new RotateImageTransformation(180)],
drawLifeCycle: this.createViewLifeCycle()
};
}).margin({ left: 5 }).backgroundColor(Color.Blue)
}.margin({ top: 15 })
Flex({ direction: FlexDirection.Row }) {
Button("网络bmp")
.onClick(() => {
this.imageKnifeOption1 = {
loadSrc: "https://img-blog.csdn.net/20140514114029140",
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
thumbSizeMultiplier: 0.1,
transformations: [new GrayscaleTransformation()],
drawLifeCycle: this.createViewLifeCycle()
};
}).margin({ left: 5 }).backgroundColor(Color.Blue)
Button("网络webp")
.onClick(() => {
this.imageKnifeOption1 = {
loadSrc: "https://hbimg.huabanimg.com/95a6d37a39aa0b70d48fa18dc7df8309e2e0e8e85571e-x4hhks_fw658/format/webp",
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
thumbSizeMultiplier: 0.1,
transformations: [new SketchFilterTransformation()],
drawLifeCycle: this.createViewLifeCycle()
};
}).margin({ left: 5 }).backgroundColor(Color.Blue)
}.margin({ top: 15 })
Text("下面为展示图片区域").margin({ top: 5 })
Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption1 }).width(300).height(300)
}.width(400).height(400).margin({ top: 10 }).backgroundColor(Color.Pink)
}
}
.width('100%')
.height('100%')
}
aboutToAppear() {
}
aboutToDisappear() {
}
drawMainAnimate_index: number = 0;
drawMainAnimate_context?: CanvasRenderingContext2D = undefined;
drawMainAnimate_scaleType: ScaleType = ScaleType.FIT_CENTER;
drawMainAnimate_imagePixelMap?: PixelMap = undefined;
drawMainAnimate_widthPixel: number = 0;
drawMainAnimate_heightPixel: number = 0;
drawMainAnimate_compWidth: number = 0;
drawMainAnimate_compHeight: number = 0;
drawMainAnimate = () => {
console.log('drawMainAnimate index = ' + this.drawMainAnimate_index)
let clipScale = (this.drawMainAnimate_index / 30.0)
this.drawMainAnimate_context?.save()
this.drawMainAnimate_context?.beginPath();
let path2d = new Path2D()
let maxRadius = Math.sqrt(this.drawMainAnimate_compWidth / 2 * this.drawMainAnimate_compWidth / 2 + this.drawMainAnimate_compHeight / 2 * this.drawMainAnimate_compHeight / 2)
path2d.arc(this.drawMainAnimate_compWidth / 2, this.drawMainAnimate_compHeight / 2, maxRadius * clipScale, 0, Math.PI * 2)
this.drawMainAnimate_context?.clip(path2d)
this.drawMainAnimate_context?.save()
ScaleTypeHelper.drawImageWithScaleType(this.drawMainAnimate_context!, this.drawMainAnimate_scaleType, this.drawMainAnimate_imagePixelMap, px2vp(this.drawMainAnimate_widthPixel), px2vp(this.drawMainAnimate_heightPixel), this.drawMainAnimate_compWidth, this.drawMainAnimate_compHeight, 0, 0)
this.drawMainAnimate_context?.restore();
this.drawMainAnimate_context?.restore();
if (this.drawMainAnimate_index < 30) {
this.drawMainAnimate_index++
let nextFunc = this.drawMainAnimate
this.mTimerId = setTimeout(nextFunc, 1000 / 30.0)
} else {
// 不做处理
}
}
private stopAnimate() {
if (this.mTimerId > 0) {
clearTimeout(this.mTimerId)
this.mTimerId = 0
} else {
}
}
private createViewLifeCycle(): IDrawLifeCycle {
let viewLifeCycle: IDrawLifeCycle = {
// 展示占位图
displayPlaceholder: (context: CanvasRenderingContext2D, data: ImageKnifeData, imageKnifeOption: ImageKnifeOption, compWidth: number, compHeight: number, setGifTimeId?: (timeId: number) => void) => {
this.stopAnimate()
return false;
},
// 展示加载进度
displayProgress: (context: CanvasRenderingContext2D, progress: number, imageKnifeOption: ImageKnifeOption, compWidth: number, compHeight: number, setGifTimeId?: (timeId: number) => void) => {
this.stopAnimate()
context.save();
context.clearRect(0, 0, compWidth, compHeight)
let pi = Math.PI * 2 / 100; //pi 讲圆的周长划分为100份
let rate = progress - 25;
let diameter = compWidth > compHeight ? compHeight : compWidth
context.lineWidth = Math.floor(diameter * 0.03)
context.lineCap = "round"
context.fillStyle = "white"
context.font = Math.floor(diameter * 0.5) + 'px'
let x0 = (compWidth - diameter) / 2.0 + Math.floor(diameter * 0.5)
let y0 = (compHeight - diameter) / 2.0 + Math.floor(diameter * 0.1)
let x1 = (compWidth - diameter) / 2.0 + Math.floor(diameter * 0.5)
let y1 = (compHeight - diameter) / 2.0 + Math.floor(diameter * 0.8)
let gradient = context.createLinearGradient(x0, y0, x1, y1)
gradient.addColorStop(0, "#11ffe4")
gradient.addColorStop(0.5, "#03c6fd")
gradient.addColorStop(1, "#10a5ff")
context.clearRect(0, 0, compWidth, compHeight)
context.shadowBlur = 0
context.beginPath()
context.strokeStyle = "#15222d"
let radius = Math.floor(diameter * 0.3)
let arcX = compWidth / 2.0
let arcY = compHeight / 2.0
context.arc(arcX, arcY, radius, 0, Math.PI * 2, true)
context.stroke()
context.beginPath()
let showText = rate + 25 + '%'
let metrics = context.measureText(showText)
let textX = (compWidth / 2.0) - metrics.width / 2.0
let textY = (compHeight / 2.0) + metrics.height * 0.3
context.fillText(showText, textX, textY)
context.stroke()
context.beginPath()
context.strokeStyle = gradient
context.arc(arcX, arcY, radius, pi * -25, pi * rate)
context.stroke();
context.restore();
return true;
},
// 展示缩略图
displayThumbSizeMultiplier: (context: CanvasRenderingContext2D, data: ImageKnifeData, imageKnifeOption: ImageKnifeOption, compWidth: number, compHeight: number, setGifTimeId?: (timeId: number) => void) => {
this.stopAnimate()
return false;
},
// 展示主图
displayMainSource: (context: CanvasRenderingContext2D, data: ImageKnifeData, imageKnifeOption: ImageKnifeOption, compWidth: number, compHeight: number, setGifTimeId?: (timeId: number) => void) => {
this.stopAnimate()
if (data.isPixelMap()) {
data.drawPixelMap?.imagePixelMap?.getImageInfo().then((imageInfo) => {
let scaleType = (typeof imageKnifeOption.mainScaleType == 'number') ? imageKnifeOption.mainScaleType : ScaleType.FIT_CENTER
console.log('imageinfo width =' + imageInfo.size.width + ' height=' + imageInfo.size.height + 'scaleType=' + scaleType)
this.drawMainAnimate_index = 0;
this.drawMainAnimate_context = context;
this.drawMainAnimate_scaleType = scaleType
this.drawMainAnimate_imagePixelMap = data.drawPixelMap?.imagePixelMap
this.drawMainAnimate_widthPixel = imageInfo.size.width
this.drawMainAnimate_heightPixel = imageInfo.size.height
this.drawMainAnimate_compWidth = compWidth
this.drawMainAnimate_compHeight = compHeight
let func = this.drawMainAnimate
this.mTimerId = setTimeout(func, 1000 / 30.0)
console.log('TestImageKnifeOptionChangedPage4 drawMainSource end!')
})
return true;
}
return false;
},
// 展示重试图层
displayRetryholder: (context: CanvasRenderingContext2D, data: ImageKnifeData, imageKnifeOption: ImageKnifeOption, compWidth: number, compHeight: number, setGifTimeId?: (timeId: number) => void) => {
this.stopAnimate()
return false;
},
// 展示失败占位图
displayErrorholder: (context: CanvasRenderingContext2D, data: ImageKnifeData, imageKnifeOption: ImageKnifeOption, compWidth: number, compHeight: number, setGifTimeId?: (timeId: number) => void) => {
this.stopAnimate()
return false;
}
}
return viewLifeCycle;
}
}

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/*
* Copyright (C) 2021 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import {
GrayscaleTransformation,
ImageKnifeComponent,
ImageKnifeData,
ImageKnifeGlobal,
ImageKnifeOption,
ImageKnife,
RotateImageTransformation,
SketchFilterTransformation,
ScaleTypeHelper,
IDrawLifeCycle,
ScaleType,
ImageKnifeDrawFactory
} from '@ohos/libraryimageknife'
import worker from '@ohos.worker';
let gifUrl: string = 'https://gd-hbimg.huaban.com/e0a25a7cab0d7c2431978726971d61720732728a315ae-57EskW_fw658';
@Entry
@Component
struct TestImageKnifeOptionChangedPage5 {
@State imageKnifeOption1: ImageKnifeOption =
{
loadSrc: $r('app.media.jpgSample'),
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
drawLifeCycle:this.choiceViewLifeCycle(DrawType.Oval)
};
build() {
Scroll() {
Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
Flex({ direction: FlexDirection.Row }) {
Button("网络jpg")
.onClick(() => {
this.imageKnifeOption1 = {
loadSrc: "https://hbimg.huabanimg.com/cc6af25f8d782d3cf3122bef4e61571378271145735e9-vEVggB",
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
drawLifeCycle:this.choiceViewLifeCycle(DrawType.Oval)
};
}).margin({ left: 5 }).backgroundColor(Color.Blue)
Button("网络png")
.onClick(() => {
this.imageKnifeOption1 = {
loadSrc: "https://img-blog.csdnimg.cn/20191215043500229.png",
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
drawLifeCycle:this.choiceViewLifeCycle(DrawType.Oval)
};
}).margin({ left: 5 }).backgroundColor(Color.Blue)
}.margin({ top: 15 })
Flex({ direction: FlexDirection.Row }) {
Button("网络bmp")
.onClick(() => {
this.imageKnifeOption1 = {
loadSrc: "https://img-blog.csdn.net/20140514114029140",
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
drawLifeCycle:this.choiceViewLifeCycle(DrawType.Oval)
};
}).margin({ left: 5 }).backgroundColor(Color.Blue)
Button("网络webp")
.onClick(() => {
this.imageKnifeOption1 = {
loadSrc: "https://hbimg.huabanimg.com/95a6d37a39aa0b70d48fa18dc7df8309e2e0e8e85571e-x4hhks_fw658/format/webp",
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
drawLifeCycle:this.choiceViewLifeCycle(DrawType.Oval)
};
}).margin({ left: 5 }).backgroundColor(Color.Blue)
}.margin({ top: 15 })
Flex({ direction: FlexDirection.Row }) {
Button("本地gif")
.onClick(() => {
this.imageKnifeOption1 = {
loadSrc: $r('app.media.gifSample'),
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
};
}).margin({ left: 5 }).backgroundColor(Color.Blue)
Button("网络gif")
.onClick(() => {
this.imageKnifeOption1 = {
loadSrc: gifUrl,
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
};
}).margin({ left: 5 }).backgroundColor(Color.Blue)
}.margin({ top: 15 })
Flex({ direction: FlexDirection.Row }) {
Button("网络gif - 圆角小")
.onClick(() => {
this.imageKnifeOption1 = {
loadSrc: gifUrl,
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
drawLifeCycle: ImageKnifeDrawFactory.createRoundLifeCycle(3, "#ff0000", 30)
};
}).margin({ left: 5 }).backgroundColor(Color.Blue)
Button("本地gif - 圆角大")
.onClick(() => {
this.imageKnifeOption1 = {
loadSrc: $r('app.media.gifSample'),
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
drawLifeCycle: ImageKnifeDrawFactory.createRoundLifeCycle(5, "#ffff00", 300)
};
}).margin({ left: 5 }).backgroundColor(Color.Blue)
}.margin({ top: 15 })
Flex({ direction: FlexDirection.Row }) {
Button("网络gif-椭圆长方形资源")
.onClick(() => {
this.imageKnifeOption1 = {
loadSrc: gifUrl,
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
drawLifeCycle: ImageKnifeDrawFactory.createOvalLifeCycle(8, "#88ee00")
};
}).margin({ left: 5 }).backgroundColor(Color.Blue)
Button("本地gif-椭圆正方形资源")
.onClick(() => {
this.imageKnifeOption1 = {
loadSrc: $r('app.media.gifSample'),
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
drawLifeCycle: ImageKnifeDrawFactory.createOvalLifeCycle(5, "#ff00ff")
};
}).margin({ left: 5 }).backgroundColor(Color.Blue)
}.margin({ top: 15 })
Text("下面为展示图片区域").margin({ top: 5 })
Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption1 }).width(300).height(300)
}.width(400).height(400).margin({ top: 10 }).backgroundColor(Color.Pink)
}
}
.width('100%')
.height('100%')
}
aboutToAppear() {
}
aboutToDisappear(){
}
private choiceViewLifeCycle(type:DrawType): IDrawLifeCycle {
let viewLifeCycle:IDrawLifeCycle|undefined = undefined;
switch(type){
case DrawType.Oval:
viewLifeCycle = ImageKnifeDrawFactory.createOvalLifeCycle(5,"#ff00ff")
break;
case DrawType.Round:
viewLifeCycle = ImageKnifeDrawFactory.createRoundLifeCycle(5,"#ff00ff",30)
break;
case DrawType.Normal:
default:
viewLifeCycle = {
// 展示占位图
displayPlaceholder: (context: CanvasRenderingContext2D, data: ImageKnifeData, imageKnifeOption: ImageKnifeOption, compWidth: number, compHeight: number, setGifTimeId?: (timeId: number) => void) => {
return false;
},
// 展示加载进度
displayProgress: (context: CanvasRenderingContext2D, progress: number, imageKnifeOption: ImageKnifeOption, compWidth: number, compHeight: number, setGifTimeId?: (timeId: number) => void) => {
return false;
},
// 展示缩略图
displayThumbSizeMultiplier: (context: CanvasRenderingContext2D, data: ImageKnifeData, imageKnifeOption: ImageKnifeOption, compWidth: number, compHeight: number, setGifTimeId?: (timeId: number) => void) => {
return false;
},
// 展示主图
displayMainSource: (context: CanvasRenderingContext2D, data: ImageKnifeData, imageKnifeOption: ImageKnifeOption, compWidth: number, compHeight: number, setGifTimeId?: (timeId: number) => void) => {
if (data.isPixelMap()) {
data.drawPixelMap?.imagePixelMap?.getImageInfo().then((imageInfo) => {
let scaleType = (typeof imageKnifeOption.mainScaleType == 'number') ? imageKnifeOption.mainScaleType : ScaleType.FIT_CENTER
console.log('imageinfo width =' + imageInfo.size.width + ' height=' + imageInfo.size.height + 'scaleType=' + scaleType)
context.save();
context.clearRect(0, 0, compWidth, compHeight)
ScaleTypeHelper.drawImageWithScaleType(context, scaleType, data.drawPixelMap?.imagePixelMap, px2vp(imageInfo.size.width), px2vp(imageInfo.size.height), compWidth, compHeight,0,0)
context.restore();
console.log('TestImageKnifeOptionChangedPage4 drawMainSource end!')
})
return true;
}
return false;
},
// 展示重试图层
displayRetryholder: (context: CanvasRenderingContext2D, data: ImageKnifeData, imageKnifeOption: ImageKnifeOption, compWidth: number, compHeight: number, setGifTimeId?: (timeId: number) => void) => {
return false;
},
// 展示失败占位图
displayErrorholder: (context: CanvasRenderingContext2D, data: ImageKnifeData, imageKnifeOption: ImageKnifeOption, compWidth: number, compHeight: number, setGifTimeId?: (timeId: number) => void) => {
return false;
}
}
break;
}
return viewLifeCycle;
}
}
export enum DrawType{
Normal = 0,
Oval = 1,
Round = 2
}

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/*
* Copyright (C) 2024 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import {
ImageKnifeComponent,
ImageKnifeOption,
ImageKnifeGlobal,
ImageKnife,
ImageKnifeData,
Size,
CacheType
} from '@ohos/libraryimageknife'
import image from '@ohos.multimedia.image';
import { BusinessError } from '@ohos.base';
let imageKnife: ImageKnife | undefined = ImageKnifeGlobal.getInstance().getImageKnife();
@Entry
@Component
struct testImageKnifeRemoveCache {
@State url: string = '';
@State urlGif: string = 'https://gd-hbimg.huaban.com/e0a25a7cab0d7c2431978726971d61720732728a315ae-57EskW_fw658';
@State urlPng: string = 'https://img-blog.csdnimg.cn/20191215043500229.png';
@State urlJpg: string = 'https://hbimg.huabanimg.com/cc6af25f8d782d3cf3122bef4e61571378271145735e9-vEVggB';
@State urlBmp: string = 'https://img-blog.csdn.net/20140514114029140';
@State urlWebp: string = 'https://hbimg.huabanimg.com/95a6d37a39aa0b70d48fa18dc7df8309e2e0e8e85571e-x4hhks_fw658/format/webp';
@State imagePixelMap: PixelMap | undefined = undefined;
@State imagePixelMap_: PixelMap | undefined = undefined;
private index_: number = -1;
private tempSize: number = 200;
private timeId = -1;
private comSize: Size = {
width: this.tempSize,
height: this.tempSize,
}
@State imageKnifeOption: ImageKnifeOption =
{
loadSrc: $r('app.media.icon'),
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed')
};
loadSuccess = (data: ImageKnifeData) => {
clearTimeout(this.timeId);
if (data.isPixelMap()) {
if (data.drawPixelMap) {
let pixelmap = data.drawPixelMap.imagePixelMap;
if (pixelmap) {
if (this.index_ == 1) {
this.imagePixelMap = pixelmap;
} else if (this.index_ == 2) {
this.imagePixelMap_ = pixelmap;
}
}
}
}
if (data.isGIFFrame()) {
let index: number = 0
if (data.drawGIFFrame) {
if (data.drawGIFFrame.imageGIFFrames) {
let renderGif = () => {
if (data.drawGIFFrame) {
if (data.drawGIFFrame.imageGIFFrames) {
let pixelmap = data.drawGIFFrame.imageGIFFrames[index].drawPixelMap;
let delay = data.drawGIFFrame.imageGIFFrames[index].delay;
if (pixelmap) {
if (this.index_ == 1) {
this.imagePixelMap = pixelmap;
} else if (this.index_ == 2) {
this.imagePixelMap_ = pixelmap;
}
}
index++;
if (index == data.drawGIFFrame.imageGIFFrames.length - 1) {
index = 0;
}
this.timeId = setTimeout(renderGif, data!.drawGIFFrame!.imageGIFFrames![index].delay);
}
}
}
renderGif();
}
}
}
}
loadError = (err: BusinessError) => {
}
build() {
Scroll() {
Column() {
Text('图片内存和磁盘缓存删除').fontSize(30);
Text('测试删除缓存时候关闭掉网络').fontSize(15);
Row() {
Button('png')
.margin({right:10})
.onClick(() => {
this.index_ = 0;
this.url = this.urlPng;
this.imageKnifeOption =
{
loadSrc: this.url,
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed')
}
})
Button('bmp')
.margin({right:10})
.onClick(() => {
this.index_ = 0;
this.url = this.urlBmp;
this.imageKnifeOption =
{
loadSrc: this.url,
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed')
}
})
Button('webp')
.margin({right:10})
.onClick(() => {
this.index_ = 0;
this.url = this.urlWebp;
this.imageKnifeOption =
{
loadSrc: this.url,
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed')
}
})
Button('jpg')
.margin({right:10})
.onClick(() => {
this.index_ = 0;
this.url = this.urlJpg;
this.imageKnifeOption =
{
loadSrc: this.url,
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed')
}
})
Button('gif')
.margin({right:10})
.onClick(() => {
this.index_ = 0;
this.url = this.urlGif;
this.imageKnifeOption =
{
loadSrc: this.url,
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed')
}
})
}.margin({top: 20})
Row() {
Button('缓存图片')
.margin({right:10})
.onClick(() => {
this.index_ = 1;
imageKnife?.isUrlExist(this.url, CacheType.Cache, this.comSize).then(this.loadSuccess)
.catch(this.loadError);
})
Button('磁盘图片')
.margin({right:10})
.onClick(() => {
this.index_ = 2;
imageKnife?.isUrlExist(this.url, CacheType.Disk, this.comSize).then(this.loadSuccess)
.catch(this.loadError);
})
}.margin({top: 20})
Row() {
Button('清除全部缓存')
.onClick(() => {
imageKnife?.removeAllMemoryCache();
imageKnife?.removeAllFileCache();
})
Button('清除全部内存缓存')
.onClick(() => {
imageKnife?.removeAllMemoryCache();
})
Button('清除全部磁盘缓存')
.onClick(() => {
imageKnife?.removeAllFileCache();
})
}.margin({top: 20})
Row() {
Button('清除指定内存缓存')
.margin({right:10})
.onClick(() => {
imageKnife?.removeMemoryCache(this.url);
})
Button('清除指定磁盘缓存')
.margin({right:10})
.onClick(() => {
imageKnife?.removeFileCache(this.url);
})
}.margin({top: 20})
Text('网络图').fontSize(15);
ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption })
.width(200)
.height(200)
.backgroundColor(Color.Orange)
Text('缓存图').fontSize(15);
ImageKnifeComponent({
imageKnifeOption: {
loadSrc: this.imagePixelMap as image.PixelMap
}
})
.width(200)
.height(200)
.backgroundColor(Color.Orange)
Text('磁盘图').fontSize(15);
ImageKnifeComponent({
imageKnifeOption: {
loadSrc: this.imagePixelMap_ as image.PixelMap
}
})
.width(200)
.height(200)
.backgroundColor(Color.Orange)
}
.alignItems(HorizontalAlign.Center)
.width('100%')
}
.width('100%')
.height('100%')
}
aboutToAppear() {
}
aboutToDisappear() {
}
onBackPress() {
}
}

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/*
* Copyright (C) 2023 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { ImageKnifeComponent } from '@ohos/libraryimageknife'
import router from '@ohos.router'
@Entry
@Component
struct TestImageKnifeRouter {
@State array: Array<string> = [
"https://hbimg.huabanimg.com/cc6af25f8d782d3cf3122bef4e61571378271145735e9-vEVggB",
'https://img-blog.csdnimg.cn/20191215043500229.png',
'https://img-blog.csdn.net/20140514114029140',
'https://hbimg.huabanimg.com/95a6d37a39aa0b70d48fa18dc7df8309e2e0e8e85571e-x4hhks_fw658/format/webp'
]
build() {
Column() {
Grid() {
ForEach(this.array, (item: string, index: number) => {
GridItem() {
ImageKnifeComponent({
imageKnifeOption: {
loadSrc: item,
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
onClick: () => {
router.pushUrl({ url: "pages/testImageKnifeRouter2", params: { url: this.array[index] } })
}
}
}).width(150).height(150)
.sharedTransition(this.array[index], {
duration: 500,
curve: Curve.Linear,
type: SharedTransitionEffectType.Exchange
})
}
})
}.columnsTemplate('1fr 1fr')
.rowsTemplate('1fr 1fr')
}.width("100%").height("100%")
}
pageTransition() {
PageTransitionEnter({ duration: 0 })
PageTransitionExit({ duration: 0 })
}
}

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/*
* Copyright (C) 2023 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { ImageKnifeComponent } from '@ohos/libraryimageknife'
import router from '@ohos.router'
interface ParamsType {
url: string
}
@Entry
@Component
struct TestImageKnifeRouter {
@State url: string = ""
aboutToAppear() {
this.url = (router.getParams() as ParamsType).url
}
build() {
Column() {
ImageKnifeComponent({
imageKnifeOption: {
loadSrc: this.url,
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
onClick: () => {
router.back()
}
}
}).width("100%").height(600)
.sharedTransition(this.url, {
duration: 500,
curve: Curve.Linear,
type: SharedTransitionEffectType.Exchange
})
}.width("100%").height("100%")
}
pageTransition() {
PageTransitionEnter({ duration: 0 })
PageTransitionExit({ duration: 0 })
}
}

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/*
* Copyright (C) 2023 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { ImageKnife, ImageKnifeComponent, ImageKnifeGlobal, ImageKnifeOption } from "@ohos/libraryimageknife"
import worker from '@ohos.worker';
let gifUrl = "https://gd-hbimg.huaban.com/e0a25a7cab0d7c2431978726971d61720732728a315ae-57EskW_fw658"
let data: string[] = [
'https://gd-hbimg.huaban.com/e0a25a7cab0d7c2431978726971d61720732728a315ae-57EskW_fw658',
'https://hbimg.huabanimg.com/cc6af25f8d782d3cf3122bef4e61571378271145735e9-vEVggB',
'https://pic.ibaotu.com/gif/18/17/16/51u888piCtqj.gif!fwpaa70/fw/700',
'https://img-blog.csdnimg.cn/20191215043500229.png',
'https://res.vmallres.com/cmscdn/CN/2023-03/7052a601ac3e428c84c9415ad9734735.gif',
'https://img-blog.csdn.net/20140514114029140'
]
@Entry
@Component
struct TestManyGifLoadWithPage {
@State p1: PixelMap | undefined = undefined
@State p2: PixelMap | undefined = undefined
@State workerOption: ImageKnifeOption = {
loadSrc: $r('app.media.icon'),
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed')
};
build() {
Column() {
Text('gif Demo').align(Alignment.Center).fontSize(25).margin(10).fontWeight(FontWeight.Bolder)
Row() {
Column() {
Button('use Origin Image').align(Alignment.Center).fontSize(10).margin(2)
Image(gifUrl).width('100%').height(100).backgroundColor(Color.Blue).objectFit(ImageFit.Contain)
}.width('50%').backgroundColor(Color.Orange)
Column() {
Button('use ImageKnifeComponent').align(Alignment.Center).fontSize(10).margin(2)
ImageKnifeComponent({ imageKnifeOption: { loadSrc: gifUrl } })
.width('100%')
.height(100)
.backgroundColor(Color.Orange)
}.width('50%').backgroundColor(Color.Blue)
}
Grid() {
ForEach(data, (url: string) => {
GridItem(){
ImageKnifeComponent({imageKnifeOption:{
loadSrc:url
}}).backgroundColor(0x38393D).width(150).height(100)
}
})
}.rowsGap(2)
.columnsGap(2)
}.width('100%').height('100%').backgroundColor(0xF1F3F5)
}
aboutToAppear(){
}
aboutToDisappear(){
}
}

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/*
* Copyright (C) 2023 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { ScaleType, ImageKnifeComponent } from "@ohos/libraryimageknife"
class CommonDataSource <T> implements IDataSource {
private dataArray: T[] = []
private listeners: DataChangeListener[] = []
constructor(element: []) {
this.dataArray = element
}
public getData(index: number) {
return this.dataArray[index]
}
public totalCount(): number {
return this.dataArray.length
}
public addData(index: number, data: T[]): void {
this.dataArray = this.dataArray.concat(data)
this.notifyDataAdd(index)
}
unregisterDataChangeListener(listener: DataChangeListener): void {
const pos = this.listeners.indexOf(listener);
if (pos >= 0) {
this.listeners.splice(pos, 1);
}
}
registerDataChangeListener(listener: DataChangeListener): void {
if (this.listeners.indexOf(listener) < 0) {
this.listeners.push(listener)
}
}
notifyDataAdd(index: number): void {
this.listeners.forEach((listener: DataChangeListener) => {
listener.onDataAdd(index)
})
}
}
@Entry
@Component
struct TestManyNetImageLoadWithPage {
@State hotCommendList:CommonDataSource<string> = new CommonDataSource<string>([])
private data:Array<string> = [
"http://e.hiphotos.baidu.com/image/pic/item/a1ec08fa513d2697e542494057fbb2fb4316d81e.jpg",
"http://c.hiphotos.baidu.com/image/pic/item/30adcbef76094b36de8a2fe5a1cc7cd98d109d99.jpg",
"http://h.hiphotos.baidu.com/image/pic/item/7c1ed21b0ef41bd5f2c2a9e953da81cb39db3d1d.jpg",
"http://g.hiphotos.baidu.com/image/pic/item/55e736d12f2eb938d5277fd5d0628535e5dd6f4a.jpg",
"http://e.hiphotos.baidu.com/image/pic/item/4e4a20a4462309f7e41f5cfe760e0cf3d6cad6ee.jpg",
"http://b.hiphotos.baidu.com/image/pic/item/9d82d158ccbf6c81b94575cfb93eb13533fa40a2.jpg",
"http://e.hiphotos.baidu.com/image/pic/item/4bed2e738bd4b31c1badd5a685d6277f9e2ff81e.jpg",
"http://g.hiphotos.baidu.com/image/pic/item/0d338744ebf81a4c87a3add4d52a6059252da61e.jpg",
"http://a.hiphotos.baidu.com/image/pic/item/f2deb48f8c5494ee5080c8142ff5e0fe99257e19.jpg",
"http://f.hiphotos.baidu.com/image/pic/item/4034970a304e251f503521f5a586c9177e3e53f9.jpg",
"http://b.hiphotos.baidu.com/image/pic/item/279759ee3d6d55fbb3586c0168224f4a20a4dd7e.jpg",
"http://img2.xkhouse.com/bbs/hfhouse/data/attachment/forum/corebbs/2009-11/2009113011534566298.jpg",
"http://a.hiphotos.baidu.com/image/pic/item/e824b899a9014c087eb617650e7b02087af4f464.jpg",
"http://c.hiphotos.baidu.com/image/pic/item/9c16fdfaaf51f3de1e296fa390eef01f3b29795a.jpg",
"http://d.hiphotos.baidu.com/image/pic/item/b58f8c5494eef01f119945cbe2fe9925bc317d2a.jpg",
"http://h.hiphotos.baidu.com/image/pic/item/902397dda144ad340668b847d4a20cf430ad851e.jpg",
"http://b.hiphotos.baidu.com/image/pic/item/359b033b5bb5c9ea5c0e3c23d139b6003bf3b374.jpg",
"http://a.hiphotos.baidu.com/image/pic/item/8d5494eef01f3a292d2472199d25bc315d607c7c.jpg",
"http://b.hiphotos.baidu.com/image/pic/item/e824b899a9014c08878b2c4c0e7b02087af4f4a3.jpg",
"http://g.hiphotos.baidu.com/image/pic/item/6d81800a19d8bc3e770bd00d868ba61ea9d345f2.jpg",
]
aboutToAppear() {
this.hotCommendList.addData(this.hotCommendList.totalCount(),this.data)
}
build() {
Scroll() {
Column() {
Grid() {
LazyForEach(this.hotCommendList, (item: string) => {
GridItem() {
ImageKnifeComponent({
imageKnifeOption: {
loadSrc: item,
placeholderSrc: $r('app.media.icon_loading'),
mainScaleType: ScaleType.CENTER_CROP,
placeholderScaleType: ScaleType.CENTER_CROP
}
}).width('100%').height('100%')
}.width('45%').height(200)
}, (item: string) => JSON.stringify(item))
}
.columnsTemplate('1fr 1fr')
.columnsGap(8)
.rowsGap(10)
.width('100%')
.hitTestBehavior(HitTestMode.None)
.maxCount(10)
}.margin({ top: 5 })
}
}
}

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/*
* Copyright (C) 2023 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { ScaleType, ImageKnifeComponent, NONE, DiskStrategy } from "@ohos/libraryimageknife"
import { Material } from './model/Material';
import { TestDataSource } from './model/TestDataSource';
@Entry
@Component
struct TestManyNetImageLoadWithPage2 {
private data: TestDataSource = new TestDataSource();
private setting: DiskStrategy = new NONE();
private scroller: Scroller = new Scroller()
build() {
Scroll() {
Column() {
Grid(this.scroller) {
LazyForEach(this.data, (item: Material, index) => {
GridItem() {
Stack({ alignContent: Alignment.BottomEnd }) {
ImageKnifeComponent({
imageKnifeOption: {
loadSrc: item.thumbnail,
placeholderSrc: $r('app.media.icon_loading'),
mainScaleType: ScaleType.CENTER_CROP,
placeholderScaleType: ScaleType.CENTER_CROP,
isCacheable: false,
strategy: this.setting
}
}).width('100%').height('100%')
Text(index + "." + item.name)
.fontSize(10)
.maxLines(1)
.fontColor(Color.White)
.textAlign(TextAlign.Center)
.layoutWeight(1)
.width('100%')
.backgroundColor(Color.Orange)
}
}.width('45%').height(200)
}, (item: Material,index:number) => item.material_id + index.toString())
}
.columnsTemplate('1fr 1fr')
.columnsGap(8)
.rowsGap(10)
.width('100%')
.cachedCount(3)
.height('100%')
}.margin({ top: 5 })
}
}
}

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/*
* Copyright (C) 2021 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the 'License');
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an 'AS IS' BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import {ImageKnifeComponent} from '@ohos/libraryimageknife'
import {ImageKnifeData} from '@ohos/libraryimageknife'
import {ImageKnifeOption} from '@ohos/libraryimageknife'
import {RequestOption} from '@ohos/libraryimageknife'
import {ImageKnifeGlobal } from '@ohos/libraryimageknife'
import worker from '@ohos.worker'
import { BusinessError } from '@ohos.base'
@Entry
@Component
struct TestPreloadPage {
svgUrl:string = ''
@State imageKnifeOption1: ImageKnifeOption =
{
loadSrc: $r('app.media.jpgSample'),
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
};
@State imageKnifeOption: ImageKnifeOption =
{
loadSrc: $r('app.media.jpgSample'),
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
};
@State imageKnifeOption3: ImageKnifeOption =
{
loadSrc: $r('app.media.jpgSample'),
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
};
@State imageKnifeOption4: ImageKnifeOption =
{
loadSrc: $r('app.media.jpgSample'),
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
};
@State imageKnifeOption5: ImageKnifeOption =
{
loadSrc: $r('app.media.jpgSample'),
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
};
@State imageKnifeOption6: ImageKnifeOption =
{
loadSrc: $r('app.media.jpgSample'),
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
};
build() {
Scroll() {
Column() {
Column() {
Flex({ direction: FlexDirection.Row }) {
Button('预加载本地资源gif')
.onClick(() => {
let request = new RequestOption();
request.load($r('app.media.gifSample'))
.setImageViewSize({ width: 300, height: 300 })
.addListener({callback:(err:BusinessError|string, data:ImageKnifeData) => {
if (err) {
console.log('预加载本地资源gif 出现错误! err=' + err)
} else {
console.log('预加载本地资源gif成功! imageKnifedata=' + JSON.stringify(data))
}
return false;
}})
ImageKnifeGlobal.getInstance().getImageKnife()?.preload(request);
})
.margin({ left: 15 })
.backgroundColor(Color.Grey)
Button('本地资源gif')
.onClick(() => {
this.imageKnifeOption1 = {
loadSrc: $r('app.media.gifSample'),
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
}
})
.margin({ left: 15 })
.backgroundColor(Color.Grey)
Button('预加载本地资源gif静态')
.onClick(() => {
let request = new RequestOption();
request.load($r('app.media.gifSample'))
.setImageViewSize({ width: 300, height: 300 })
.dontAnimate()
.addListener({callback:(err:BusinessError|string, data:ImageKnifeData) => {
if (err ) {
console.log('预加载本地资源gif静态 出现错误! err=' + err)
} else {
console.log('预加载本地资源gif静态成功! imageKnifedata=' + JSON.stringify(data))
}
return false;
}})
ImageKnifeGlobal.getInstance().getImageKnife()?.preload(request);
})
.margin({ left: 15 })
.backgroundColor(Color.Grey)
Button('本地资源gif静态')
.onClick(() => {
this.imageKnifeOption1 = {
loadSrc: $r('app.media.gifSample'),
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
dontAnimateFlag: true
}
})
.margin({ left: 15 })
.backgroundColor(Color.Grey)
}
.margin({ top: 15 })
Flex({ direction: FlexDirection.Row }) {
Button('预加载网络资源gif')
.onClick(() => {
let request = new RequestOption();
request.load('https://gd-hbimg.huaban.com/e0a25a7cab0d7c2431978726971d61720732728a315ae-57EskW_fw658')
.setImageViewSize({ width: 300, height: 300 })
.addListener({callback:(err:BusinessError|string, data:ImageKnifeData) => {
if (err) {
console.log('预加载网络资源gif 出现错误! err=' + err)
} else {
console.log('预加载网络资源gif成功! imageKnifedata=' + JSON.stringify(data))
}
return false;
}})
ImageKnifeGlobal.getInstance().getImageKnife()?.preload(request);
})
.margin({ left: 15 })
.backgroundColor(Color.Grey)
Button('网络资源gif')
.onClick(() => {
this.imageKnifeOption1 = {
loadSrc: 'https://gd-hbimg.huaban.com/e0a25a7cab0d7c2431978726971d61720732728a315ae-57EskW_fw658',
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
};
})
.margin({ left: 15 })
.backgroundColor(Color.Grey)
Button('预加载网络资源gif静态')
.onClick(() => {
let request = new RequestOption();
request.load('https://gd-hbimg.huaban.com/e0a25a7cab0d7c2431978726971d61720732728a315ae-57EskW_fw658')
.setImageViewSize({ width: 300, height: 300 })
.dontAnimate()
.addListener({callback:(err:BusinessError|string, data:ImageKnifeData) => {
if (err) {
console.log('预加载网络资源gif静态 出现错误! err=' + err)
} else {
console.log('预加载网络资源gif静态成功! imageKnifedata=' + JSON.stringify(data))
}
return false;
}})
ImageKnifeGlobal.getInstance().getImageKnife()?.preload(request);
})
.margin({ left: 15 })
.backgroundColor(Color.Grey)
Button('网络资源gif静态')
.onClick(() => {
this.imageKnifeOption1 = {
loadSrc: 'https://gd-hbimg.huaban.com/e0a25a7cab0d7c2431978726971d61720732728a315ae-57EskW_fw658',
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
dontAnimateFlag: true
};
})
.margin({ left: 15 })
.backgroundColor(Color.Grey)
}
.margin({ top: 15 })
ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption1 }).width(200).height(200)
}
Column() {
Flex({ direction: FlexDirection.Row }) {
Button('预加载本地资源svg')
.onClick(() => {
let request = new RequestOption();
request.load($r('app.media.svgSample'))
.setImageViewSize({ width: 300, height: 300 })
.addListener({callback:(err:BusinessError|string, data:ImageKnifeData) => {
if (err ) {
console.log('预加载本地资源svg 出现错误! err=' + err)
} else {
console.log('预加载本地资源svg成功! imageKnifedata=' + JSON.stringify(data))
}
return false;
}})
ImageKnifeGlobal.getInstance().getImageKnife()?.preload(request);
})
.margin({ left: 15 })
.backgroundColor(Color.Grey)
Button('本地资源svg')
.onClick(() => {
this.imageKnifeOption = {
loadSrc: $r('app.media.svgSample'),
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
}
})
.margin({ left: 15 })
.backgroundColor(Color.Grey)
}
.margin({ top: 15 })
Text("请先设置SVG图片的url地址")
TextArea({ placeholder: '请输入SVG图片的url地址' })
.placeholderColor("rgb(0,0,35)")
.placeholderFont({ size: 20, weight: 100, family: 'cursive', style: FontStyle.Italic })
.textAlign(TextAlign.Center)
.caretColor(Color.Blue)
.height(40)
.width(400)
.fontSize(20)
.fontWeight(FontWeight.Bold)
.fontFamily("sans-serif")
.fontStyle(FontStyle.Normal)
.fontColor(Color.Red)
.onChange((value: string) => {
this.svgUrl = value
})
Flex({ direction: FlexDirection.Row }) {
Button('预加载网络资源svg')
.onClick(() => {
let request = new RequestOption();
request.load(this.svgUrl)
.setImageViewSize({ width: 300, height: 300 })
.addListener({callback:(err:BusinessError|string, data:ImageKnifeData) => {
if (err) {
console.log('预加载网络资源gif 出现错误! err=' + err)
} else {
console.log('预加载网络资源gif成功! imageKnifedata=' + JSON.stringify(data))
}
return false;
}})
ImageKnifeGlobal.getInstance().getImageKnife()?.preload(request);
})
.margin({ left: 15 })
.backgroundColor(Color.Grey)
Button('网络资源svg')
.onClick(() => {
this.imageKnifeOption = {
loadSrc: this.svgUrl,
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
};
})
.margin({ left: 15 })
.backgroundColor(Color.Grey)
}
.margin({ top: 15 })
ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption }).width(200).height(200)
}
Column() {
Flex({ direction: FlexDirection.Row }) {
Button('预加载本地资源webp')
.onClick(() => {
let request = new RequestOption();
request.load($r('app.media.jpgSample'))
.setImageViewSize({ width: 300, height: 300 })
.addListener({callback:(err:BusinessError|string, data:ImageKnifeData) => {
if (err) {
console.log('预加载本地资源webp 出现错误! err=' + err)
} else {
console.log('预加载本地资源webp成功! imageKnifedata=' + JSON.stringify(data))
}
return false;
}})
ImageKnifeGlobal.getInstance().getImageKnife()?.preload(request);
})
.margin({ left: 15 })
.backgroundColor(Color.Grey)
Button('本地资源webp')
.onClick(() => {
this.imageKnifeOption3 = {
loadSrc: $r('app.media.jpgSample'),
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
}
})
.margin({ left: 15 })
.backgroundColor(Color.Grey)
}
.margin({ top: 15 })
Flex({ direction: FlexDirection.Row }) {
Button('预加载网络资源webp')
.onClick(() => {
let request = new RequestOption();
request.load('https://hbimg.huabanimg.com/95a6d37a39aa0b70d48fa18dc7df8309e2e0e8e85571e-x4hhks_fw658/format/webp')
.setImageViewSize({ width: 300, height: 300 })
.addListener({callback:(err:BusinessError|string, data:ImageKnifeData) => {
if (err) {
console.log('预加载网络资源webp 出现错误! err=' + err)
} else {
console.log('预加载网络资源webp成功! imageKnifedata=' + JSON.stringify(data))
}
return false;
}})
ImageKnifeGlobal.getInstance().getImageKnife()?.preload(request);
})
.margin({ left: 15 })
.backgroundColor(Color.Grey)
Button('网络资源webp')
.onClick(() => {
this.imageKnifeOption3 = {
loadSrc: 'https://hbimg.huabanimg.com/95a6d37a39aa0b70d48fa18dc7df8309e2e0e8e85571e-x4hhks_fw658/format/webp',
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
};
})
.margin({ left: 15 })
.backgroundColor(Color.Grey)
}
.margin({ top: 15 })
ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption3 }).width(200).height(200)
}
Column() {
Flex({ direction: FlexDirection.Row }) {
Button('预加载本地资源bmp')
.onClick(() => {
let request = new RequestOption();
request.load($r('app.media.bmpSample'))
.setImageViewSize({ width: 300, height: 300 })
.addListener({callback:(err:BusinessError|string, data:ImageKnifeData) => {
if (err) {
console.log('预加载本地资源bmp 出现错误! err=' + err)
} else {
console.log('预加载本地资源bmp成功! imageKnifedata=' + JSON.stringify(data))
}
return false;
}})
ImageKnifeGlobal.getInstance().getImageKnife()?.preload(request);
})
.margin({ left: 15 })
.backgroundColor(Color.Grey)
Button('本地资源bmp')
.onClick(() => {
this.imageKnifeOption4 = {
loadSrc: $r('app.media.bmpSample'),
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
}
})
.margin({ left: 15 })
.backgroundColor(Color.Grey)
}
.margin({ top: 15 })
Flex({ direction: FlexDirection.Row }) {
Button('预加载网络资源bmp')
.onClick(() => {
let request = new RequestOption();
request.load('https://img-blog.csdn.net/20140514114029140')
.setImageViewSize({ width: 300, height: 300 })
.addListener({callback:(err:BusinessError|string, data:ImageKnifeData) => {
if (err) {
console.log('预加载网络资源bmp 出现错误! err=' + err)
} else {
console.log('预加载网络资源bmp成功! imageKnifedata=' + JSON.stringify(data))
}
return false;
}})
ImageKnifeGlobal.getInstance().getImageKnife()?.preload(request);
})
.margin({ left: 15 })
.backgroundColor(Color.Grey)
Button('网络资源bmp')
.onClick(() => {
this.imageKnifeOption4 = {
loadSrc: 'https://img-blog.csdn.net/20140514114029140',
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
};
})
.margin({ left: 15 })
.backgroundColor(Color.Grey)
}
.margin({ top: 15 })
ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption4 }).width(200).height(200)
}
Column() {
Flex({ direction: FlexDirection.Row }) {
Button('预加载本地资源png')
.onClick(() => {
let request = new RequestOption();
request.load($r('app.media.pngSample'))
.setImageViewSize({ width: 300, height: 300 })
.addListener({callback:(err:BusinessError|string, data:ImageKnifeData) => {
if (err) {
console.log('预加载本地资源png 出现错误! err=' + err)
} else {
console.log('预加载本地资源png成功! imageKnifedata=' + JSON.stringify(data))
}
return false;
}})
ImageKnifeGlobal.getInstance().getImageKnife()?.preload(request);
})
.margin({ left: 15 })
.backgroundColor(Color.Grey)
Button('本地资源png')
.onClick(() => {
this.imageKnifeOption5 = {
loadSrc: $r('app.media.pngSample'),
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
}
})
.margin({ left: 15 })
.backgroundColor(Color.Grey)
}
.margin({ top: 15 })
Flex({ direction: FlexDirection.Row }) {
Button('预加载网络资源png')
.onClick(() => {
let request = new RequestOption();
request.load('https://img-blog.csdnimg.cn/20191215043500229.png')
.setImageViewSize({ width: 300, height: 300 })
.addListener({callback:(err:BusinessError|string, data:ImageKnifeData) => {
if (err) {
console.log('预加载网络资源bmp 出现错误! err=' + err)
} else {
console.log('预加载网络资源bmp成功! imageKnifedata=' + JSON.stringify(data))
}
return false;
}})
ImageKnifeGlobal.getInstance().getImageKnife()?.preload(request);
})
.margin({ left: 15 })
.backgroundColor(Color.Grey)
Button('网络资源png')
.onClick(() => {
this.imageKnifeOption5 = {
loadSrc: 'https://img-blog.csdnimg.cn/20191215043500229.png',
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
};
})
.margin({ left: 15 })
.backgroundColor(Color.Grey)
}
.margin({ top: 15 })
ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption5 }).width(200).height(200)
}
Column() {
Flex({ direction: FlexDirection.Row }) {
Button('预加载本地资源jpg')
.onClick(() => {
let request = new RequestOption();
request.load($r('app.media.jpgSample'))
.setImageViewSize({ width: 300, height: 300 })
.addListener({callback:(err:BusinessError|string, data:ImageKnifeData) => {
if (err) {
console.log('预加载本地资源jpg 出现错误! err=' + err)
} else {
console.log('预加载本地资源jpg成功! imageKnifedata=' + JSON.stringify(data))
}
return false;
}})
ImageKnifeGlobal.getInstance().getImageKnife()?.preload(request);
})
.margin({ left: 15 })
.backgroundColor(Color.Grey)
Button('本地资源jpg')
.onClick(() => {
this.imageKnifeOption6 = {
loadSrc: $r('app.media.jpgSample'),
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
}
})
.margin({ left: 15 })
.backgroundColor(Color.Grey)
}
.margin({ top: 15 })
Flex({ direction: FlexDirection.Row }) {
Button('预加载网络资源jpg')
.onClick(() => {
let request = new RequestOption();
request.load('https://hbimg.huabanimg.com/cc6af25f8d782d3cf3122bef4e61571378271145735e9-vEVggB')
.setImageViewSize({ width: 300, height: 300 })
.addListener({callback:(err:BusinessError|string, data:ImageKnifeData) => {
if (err) {
console.log('预加载网络资源jpg 出现错误! err=' + err)
} else {
console.log('预加载网络资源jpg成功! imageknifedata=' + JSON.stringify(data))
}
return false;
}})
ImageKnifeGlobal.getInstance().getImageKnife()?.preload(request);
})
.margin({ left: 15 })
.backgroundColor(Color.Grey)
Button('网络资源jpg')
.onClick(() => {
this.imageKnifeOption6 = {
loadSrc: 'https://hbimg.huabanimg.com/cc6af25f8d782d3cf3122bef4e61571378271145735e9-vEVggB',
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
};
})
.margin({ left: 15 })
.backgroundColor(Color.Grey)
}
.margin({ top: 15 })
ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption6 }).width(200).height(200)
}
}
}
.width('100%')
.height('100%')
}
aboutToAppear() {
}
aboutToDisappear(){
}
}

View File

@ -0,0 +1,190 @@
/*
* Copyright (C) 2024 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { ImageKnifeComponent, ImageKnifeOption, NONE, ImageKnifeGlobal } from '@ohos/libraryimageknife';
import { taskpool } from '@kit.ArkTS';
const dataBak: ImageKnifeOption[] = [
{
loadSrc: "http://b.hiphotos.baidu.com/image/pic/item/9d82d158ccbf6c81b94575cfb93eb13533fa40a2.jpg",
priority: taskpool.Priority.HIGH
},
{
loadSrc: "http://e.hiphotos.baidu.com/image/pic/item/4bed2e738bd4b31c1badd5a685d6277f9e2ff81e.jpg",
priority: taskpool.Priority.HIGH
},
{
loadSrc: "http://g.hiphotos.baidu.com/image/pic/item/0d338744ebf81a4c87a3add4d52a6059252da61e.jpg",
priority: taskpool.Priority.HIGH
},
{
loadSrc: "http://a.hiphotos.baidu.com/image/pic/item/f2deb48f8c5494ee5080c8142ff5e0fe99257e19.jpg",
priority: taskpool.Priority.HIGH
},
{
loadSrc: "http://f.hiphotos.baidu.com/image/pic/item/4034970a304e251f503521f5a586c9177e3e53f9.jpg",
priority: taskpool.Priority.HIGH
},
{
loadSrc: "https://gd-hbimg.huaban.com/e0a25a7cab0d7c2431978726971d61720732728a315ae-57EskW_fw658",
priority: taskpool.Priority.MEDIUM
},
{
loadSrc: "http://h.hiphotos.baidu.com/image/pic/item/7c1ed21b0ef41bd5f2c2a9e953da81cb39db3d1d.jpg",
priority: taskpool.Priority.MEDIUM
},
{
loadSrc: "http://a.hiphotos.baidu.com/image/pic/item/8d5494eef01f3a292d2472199d25bc315d607c7c.jpg",
priority: taskpool.Priority.MEDIUM
},
{
loadSrc: "https://img-blog.csdn.net/20140514114029140",
priority: taskpool.Priority.MEDIUM
},
{
loadSrc: "http://g.hiphotos.baidu.com/image/pic/item/6d81800a19d8bc3e770bd00d868ba61ea9d345f2.jpg",
priority: taskpool.Priority.MEDIUM
},
{
loadSrc: "http://b.hiphotos.baidu.com/image/pic/item/e824b899a9014c08878b2c4c0e7b02087af4f4a3.jpg",
priority: taskpool.Priority.LOW
},
{
loadSrc: "http://b.hiphotos.baidu.com/image/pic/item/359b033b5bb5c9ea5c0e3c23d139b6003bf3b374.jpg",
priority: taskpool.Priority.LOW
},
{
loadSrc: "http://h.hiphotos.baidu.com/image/pic/item/902397dda144ad340668b847d4a20cf430ad851e.jpg",
priority: taskpool.Priority.LOW
},
{
loadSrc: "http://d.hiphotos.baidu.com/image/pic/item/b58f8c5494eef01f119945cbe2fe9925bc317d2a.jpg",
priority: taskpool.Priority.LOW
},
{
loadSrc:"http://img2.xkhouse.com/bbs/hfhouse/data/attachment/forum/corebbs/2009-11/2009113011534566298.jpg",
priority: taskpool.Priority.LOW
}
];
@Entry
@Component
struct TestPriorityComponent {
@State data: ImageKnifeOption[] = [
{
loadSrc: "https://gd-hbimg.huaban.com/e0a25a7cab0d7c2431978726971d61720732728a315ae-57EskW_fw658",
priority: taskpool.Priority.HIGH
},
{
loadSrc: "http://c.hiphotos.baidu.com/image/pic/item/30adcbef76094b36de8a2fe5a1cc7cd98d109d99.jpg",
priority: taskpool.Priority.HIGH
},
{
loadSrc: "http://h.hiphotos.baidu.com/image/pic/item/7c1ed21b0ef41bd5f2c2a9e953da81cb39db3d1d.jpg",
priority: taskpool.Priority.HIGH
},
{
loadSrc: "http://g.hiphotos.baidu.com/image/pic/item/55e736d12f2eb938d5277fd5d0628535e5dd6f4a.jpg",
priority: taskpool.Priority.HIGH
},
{
loadSrc: "http://e.hiphotos.baidu.com/image/pic/item/4e4a20a4462309f7e41f5cfe760e0cf3d6cad6ee.jpg",
priority: taskpool.Priority.HIGH
},
{
loadSrc: "http://b.hiphotos.baidu.com/image/pic/item/279759ee3d6d55fbb3586c0168224f4a20a4dd7e.jpg",
priority: taskpool.Priority.MEDIUM
},
{
loadSrc: "http://img2.xkhouse.com/bbs/hfhouse/data/attachment/forum/corebbs/2009-11/2009113011534566298.jpg",
priority: taskpool.Priority.MEDIUM
},
{
loadSrc: "http://a.hiphotos.baidu.com/image/pic/item/e824b899a9014c087eb617650e7b02087af4f464.jpg",
priority: taskpool.Priority.MEDIUM
},
{
loadSrc: "http://c.hiphotos.baidu.com/image/pic/item/9c16fdfaaf51f3de1e296fa390eef01f3b29795a.jpg",
priority: taskpool.Priority.MEDIUM
},
{
loadSrc: "http://d.hiphotos.baidu.com/image/pic/item/b58f8c5494eef01f119945cbe2fe9925bc317d2a.jpg",
priority: taskpool.Priority.MEDIUM
},
{
loadSrc: "https://hbimg.huabanimg.com/cc6af25f8d782d3cf3122bef4e61571378271145735e9-vEVggB",
priority: taskpool.Priority.LOW
},
{
loadSrc: "https://img-blog.csdnimg.cn/20191215043500229.png",
priority: taskpool.Priority.LOW
},
{
loadSrc: "https://img-blog.csdn.net/20140514114029140",
priority: taskpool.Priority.LOW
},
{
loadSrc: "https://hbimg.huabanimg.com/95a6d37a39aa0b70d48fa18dc7df8309e2e0e8e85571e-x4hhks_fw658/format/webp",
priority: taskpool.Priority.LOW
},
{
loadSrc: "http://g.hiphotos.baidu.com/image/pic/item/6d81800a19d8bc3e770bd00d868ba61ea9d345f2.jpg",
priority: taskpool.Priority.LOW
}
];
@State maxRequests: number | undefined = ImageKnifeGlobal?.getInstance()?.getImageKnife()?.maxRequests;
build() {
Scroll() {
Column() {
Text('最大并发数: ' + this.maxRequests).width('50%').height(30)
Button('修改最大并发数为1').width('50%').height(30)
.onClick(() => {
if (ImageKnifeGlobal?.getInstance()?.getImageKnife()) {
ImageKnifeGlobal?.getInstance()?.getImageKnife()?.setMaxRequests(1);
this.maxRequests = ImageKnifeGlobal?.getInstance()?.getImageKnife()?.maxRequests;
this.data = [...dataBak, ...dataBak, ...dataBak];
}
})
Grid() {
ForEach(this.data, (item: ImageKnifeOption, index: number) => {
GridItem() {
Flex() {
Text(item?.priority?.toString() || '')
ImageKnifeComponent({
imageKnifeOption: {
loadSrc: item.loadSrc,
placeholderSrc: $r('app.media.icon_loading'),
strategy: new NONE(),
isCacheable: false,
priority: item.priority
}
})
}.height(60)
}
})
}
.width("100%")
.height("100%")
.columnsTemplate("1fr 1fr 1fr 1fr 1fr")
.columnsGap(10)
.rowsGap(10)
.backgroundColor(0xFAEEE0)
.maxCount(10)
}
.backgroundColor(Color.Pink)
.margin({ top: 5 })
}
}
}

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