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ImageKnife
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ImageKnife版本v1.0.0提交 

Signed-off-by: zhoulisheng1 <zhoulisheng1@huawei.com>
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zhoulisheng1 2022-03-16 21:57:35 +08:00
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*.iml
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/.idea/modules.xml
/.idea/workspace.xml
/.idea/navEditor.xml
/.idea/assetWizardSettings.xml
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# ImageKnife
#### Description
{**When you're done, you can delete the content in this README and update the file with details for others getting started with your repository**}
#### Software Architecture
Software architecture description
#### Installation
1. xxxx
2. xxxx
3. xxxx
#### Instructions
1. xxxx
2. xxxx
3. xxxx
#### Contribution
1. Fork the repository
2. Create Feat_xxx branch
3. Commit your code
4. Create Pull Request
#### Gitee Feature
1. You can use Readme\_XXX.md to support different languages, such as Readme\_en.md, Readme\_zh.md
2. Gitee blog [blog.gitee.com](https://blog.gitee.com)
3. Explore open source project [https://gitee.com/explore](https://gitee.com/explore)
4. The most valuable open source project [GVP](https://gitee.com/gvp)
5. The manual of Gitee [https://gitee.com/help](https://gitee.com/help)
6. The most popular members [https://gitee.com/gitee-stars/](https://gitee.com/gitee-stars/)

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# ImageKnife
# GlideJS
#### 介绍
{**以下是 Gitee 平台说明，您可以替换此简介**
Gitee 是 OSCHINA 推出的基于 Git 的代码托管平台（同时支持 SVN）。专为开发者提供稳定、高效、安全的云端软件开发协作平台
无论是个人、团队、或是企业，都能够用 Gitee 实现代码托管、项目管理、协作开发。企业项目请看 [https://gitee.com/enterprises](https://gitee.com/enterprises)}
**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**
#### 软件架构
软件架构说明
## 简介
- 支持内存缓存，使用LRUCache算法，对图片数据进行内存缓存
- 支持磁盘缓存，对于下载图片会保存一份至磁盘当中。
- 支持进行图片变换。
- 支持用户配置参数使用:(例如：配置是否开启第一级内存缓存，配置磁盘缓存策略，配置仅使用缓存加载数据，配置图片变换效果，配置占位图，配置加载失败占位图等)。
- 推荐使用GlideImage组件配合GlideOption参数来实现功能
- 支持用户自定义配置实现能力参考GlideImage组件中对于入参GlideOption的处理
## 目录
```
/entry/src/
- main/ets/default
- cache # 缓存相关内容
- diskstrategy # 缓存策略
- key # 缓存key生成策略
- Base64.ets # Base64算法
- CustomMap.ets # 自定义Map封装
- DiskCacheEntry.ets# 磁盘缓存entry
- DiskLruCache.ets # 磁盘LRU缓存策略
- FileReader.ets # 文件读取相关
- FileUtils.ets # 文件工具类
- LruCache.ets # 内存LRU缓存策略
- Md5.ets # MD5算法
- glide # glide主要内容
- compress # 压缩相关
- constants # 常量相关
- entry # 部分数据结构
- holder # 占位图相关解析
- interface # 接口相关
- networkmanage # 网络相关
- pngj # pngj相关
- requestmanage # Glide请求相关
- resourcemanage # 本地资源解析相关
- transform # 图片变换相关
- utils # 工具类相关
- Glide.ets # Glide门面，app持久化类
- GlideData.ets # 数据封装
- GlideImage.ets # 自定义控件封装
- GlideOption.ets # 用户传参数封装
- PixelMapPack.ets # PixelMap封装
- RequestOption.ets # 用户设置参数封装
- pages # 测试page页面列表
- basicTestFeatureAbilityPage.ets # 测试元能力
- basicTestFileIOPage.ets # 测试fileio
- basicTestMediaImage.ets # 测试媒体image
- basicTestResourceManagerPage.ets # 测试本地资源解析
- CompressPage.ets # 压缩页面
- frescoImageTestCasePage.ets # 测试属性动画组件切换
- frescoLayerTestCasePage.ets # 测试GlideImage组件切换配合属性动画
- frescoRetryTestCasePage.ets # 测试GlideImage加载失败重试
- index.ets # 测试页面入口
- indexFresco.ets # 二级测试页面入口
- loadNetworkTestCasePage.ets # 网络加载测试
- loadResourceTestCasePage.ets # 本地加载测试
- showErrorholderTestCasePage.ets # 加载失败占位图测试
- storageTestDiskLruCache.ets # 磁盘缓存测试
- storageTestLruCache.ets # 内存缓存测试
- testAllCacheInfoPage.ets # 所有缓存信息获取测试
- testAllTypeGlideImagePage.ets # 所有类型图片加载测试
- testAllTypeNativeImagePage.ets # 所有类型本地图片加载测试
- testGifDontAnimatePage.ets # gif加载静态图片测试
- testGlideOptionChangedPage.ets # GlideOption数据切换测试
- testGlideOptionChangedPage2.ets # GlideOption数据切换测试
- testMultiThreadWorkerPage2.ets # 多线程测试
- testPlaceholderPage.ets # 加载占位图测试
- testPreloadPage.ets # 预加载测试
- testResourceManagerPage.ets # 解析本地资源测试
- TransformPixelMapPage.ets # 所有类型变换测试
- transformTestCasePage.ets # 所有类型变换配合GlideImage测试
- workers # 测试worker多线程
- worker1.js # worker多线程测试
```
## 接口说明
### RequestOpton 用户配置参数
| 方法名 | 入参 | 接口描述 |
| ------------------------------------------------------------ | ------------------------------------------------------------ | ------------------------------------------------------------ |
| load(src: string \| PixelMap \| Resource) | string \| PixelMap \| Resource | 待加载图片的资源 |
| setImageViewSize(imageSize: { width: number, height: number }) | { width: number, height: number } | 传入显示图片组件的大小，变换的时候需要作为参考 |
| diskCacheStrategy(strategy: DiskStrategy) | DiskStrategy | 配置磁盘缓存策略 NONE SOURCE RESULT ALL AUTOMATIC |
| placeholder(src: PixelMap \| Resource, func?: AsyncSuccess<PixelMap>) | src: PixelMap \| Resource, func?: AsyncSuccess<PixelMap> | 配置占位图，其中func为数据回调函数 |
| errorholder(src: PixelMap \| Resource, func?: AsyncSuccess<PixelMap>) | src: PixelMap \| Resource, func?: AsyncSuccess<PixelMap> | 配置加载失败占位图，其中func为数据回调函数 |
| addListener(func: AsyncCallback<PixelMap>) | func: AsyncCallback<PixelMap> | 配置整个监听回调，数据正常加载返回，加载失败返回错误信息 |
| thumbnail(sizeMultiplier:number, func?: AsyncSuccess<GlideData>) | sizeMultiplier:number, func?: AsyncSuccess<GlideData> | 设置缩略图比例，缩略图返回后，加载并展示缩略图 |
| addProgressListener(func?: AsyncSuccess<string>){ this.progressFunc = func; return this; } | func?: AsyncSuccess<string> | 设置网络下载百分比监听，返回数据加载百分比数值 |
| addRetryListener(func?: AsyncSuccess<any>){ this.retryFunc = func; return this; } | func?: AsyncSuccess<any> | 设置重试监听 |
| addAllCacheInfoCallback(func: IAllCacheInfoCallback) | func: IAllCacheInfoCallback | 设置获取所有缓存信息监听 |
| skipMemoryCache(skip: boolean) | skip: boolean | 配置是否跳过内存缓存 |
| retrieveDataFromCache(flag: boolean) | flag: boolean | 配置仅从缓存中加载数据 |
| transform(transform: BaseTransform<PixelMap>) | transform: BaseTransform<PixelMap> | 配置自定义变换类型 |
| centerCrop(fd: number, out_width: number, out_height: number, callback?: AsyncTransform<Promise<PixelMap>>) | fd: number, out_width: number, out_height: number, callback?: AsyncTransform<Promise<PixelMap>> | 静态方法可以根据图片文件，目标显示大小，进行对应centerCrop |
| rotateImage(fd: number, degreesToRotate: number) | fd: number, degreesToRotate: number | 静态方法可以根据图片文件，和旋转角度，进行对应rotateImaroge |
| centerInside(fd: number, out_width: number, out_height: number, callback?: AsyncTransform<Promise<PixelMap>>) | fd: number, out_width: number, out_height: number, callback?: AsyncTransform<Promise<PixelMap>> | 静态方法可以根据图片文件，目标显示大小，进行对应centerInside |
| fitCenter(fd: number, out_width: number, out_height: number , callback?: AsyncTransform<Promise<PixelMap>>) | fd: number, out_width: number, out_height: number , callback?: AsyncTransform<Promise<PixelMap>> | 静态方法可以根据图片文件，目标显示大小，进行对应fitCenter |
### Glide 启动器/门面类
| 方法名 | 入参 | 接口描述 |
| ------------------------------- | ---------------------- | ---------------------------------- |
| call(request: RequestOption) | request: RequestOption | 根据用户配置参数具体执行加载流程 |
| preload(request: RequestOption) | request: RequestOption | 根据用户配置参数具体执行预加载流程 |
### 缓存策略相关
| 使用方法 | 类型 | 策略描述 |
| ------------------------------------------ | --------- | ---------------------------------------- |
| request.diskCacheStrategy(new ALL()) | ALL | 表示既缓存原始图片，也缓存转换过后的图片 |
| request.diskCacheStrategy(new AUTOMATIC()) | AUTOMATIC | 表示尝试对本地和远程图片使用最佳的策略 |
| request.diskCacheStrategy(new DATA()) | DATA | 表示只缓存原始图片 |
| request.diskCacheStrategy(new NONE()) | NONE | 表示不缓存任何内容 |
| request.diskCacheStrategy(new RESOURCE()) | RESOURCE | 表示只缓存转换过后的图片 |
### 图片变换相关
| 使用方法 | 类型 | 相关描述 |
| ------------------------------------------------------------ | ---------------------------------- | -------------- |
| request.transforms(new BlurTransformation()) | BlurTransformation | 模糊处理 |
| request.transforms(new BrightnessFilterTransformation()) | BrightnessFilterTransformation | 亮度滤波器 |
| request.transforms(new ContrastFilterTransformation()) | ContrastFilterTransformation | 对比度滤波器 |
| request.transforms(new CropCircleTransformation()) | CropCircleTransformation | 圆形剪裁显示 |
| request.transforms(new CropCircleWithBorderTransformation()) | CropCircleWithBorderTransformation | 圆环展示 |
| request.transforms(new CropSquareTransformation()) | CropSquareTransformation | 正方形剪裁 |
| request.transforms(new CropTransformation()) | CropTransformation | 自定义矩形剪裁 |
| request.transforms(new GrayscaleTransformation()) | GrayscaleTransformation | 灰度级转换 |
| request.transforms(new InvertFilterTransformation()) | InvertFilterTransformation | 反转滤波器 |
| request.transforms(new PixelationFilterTransformation()) | PixelationFilterTransformation | 像素化滤波器 |
| request.transforms(new RotateImageTransformation()) | RotateImageTransformation | 图片旋转 |
| request.transforms(new RoundedCornersTransformation()) | RoundedCornersTransformation | 圆角剪裁 |
| request.transforms(new SepiaFilterTransformation()) | SepiaFilterTransformation | 乌墨色滤波器 |
| request.transforms(new SketchFilterTransformation()) | SketchFilterTransformation | 素描滤波器 |
#### 安装教程
1. xxxx
2. xxxx
3. xxxx
## 代码示例
#### 使用说明
1.首先初始化全局Glide实例，在app.ets中调用Glide.with()进行初始化
1. xxxx
2. xxxx
3. xxxx
```
import {Glide} from './glide/Glide.ets'
export default {
data: {
glide: {} // Glide全局占位符
},
onCreate() {
this.data.glide = Glide.with();// Glide占位符全局初始化赋值
}
}
```
#### 参与贡献
2.在页面index.ets中使用Glide
1. Fork 本仓库
2. 新建 Feat_xxx 分支
3. 提交代码
4. 新建 Pull Request
```
@Entry
@Component
struct Index {
build() {
}
// 页面初始化完成，生命周期回调函数中 进行调用Glide
aboutToAppear() {
let requestOption = new RequestOption();
requestOptin.load($r('app.media.IceCream'))
.addListener((err,data) => {
//加载成功/失败回调监听
})
...
Glide.call(requestOption)
}
}
var Glide;
var defaultTemp = globalThis.exports.default
if (defaultTemp != undefined) {
Glide = defaultTemp.data.glide;
}
```
#### 特技
1. 使用 Readme\_XXX.md 来支持不同的语言，例如 Readme\_en.md, Readme\_zh.md
2. Gitee 官方博客 [blog.gitee.com](https://blog.gitee.com)
3. 你可以 [https://gitee.com/explore](https://gitee.com/explore) 这个地址来了解 Gitee 上的优秀开源项目
4. [GVP](https://gitee.com/gvp) 全称是 Gitee 最有价值开源项目，是综合评定出的优秀开源项目
5. Gitee 官方提供的使用手册 [https://gitee.com/help](https://gitee.com/help)
6. Gitee 封面人物是一档用来展示 Gitee 会员风采的栏目 [https://gitee.com/gitee-stars/](https://gitee.com/gitee-stars/)
#### 推荐使用：
使用GlideOption作为入参，配合自定义组件GlideImage使用。
```typescript
@Entry
@Component
struct Index {
@State glideOption1: GlideOption =
{
loadSrc: "https://thirdwx.qlogo.cn/mmopen/vi_32/DYAIOgq83ericA1Mv66TwicuYOtbDMBcUhv1aa9RJBeAn9uURfcZD0AUGrJebAn1g2AjN0vb2E1XTET7fTuLBNmA/132",
size: { width: 300, height: 300 },
placeholderSrc: $r('app.media.icon_loading'),
errorholderSrc: $r('app.media.icon_failed'),
};
build() {
Scroll() {
Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
GlideImage({ glideOption: $glideOption1 })
}
}
.width('100%')
.height('100%')
}
}
```
#### 自定义实现：
使用原生Image组件，配合用户配置参数实现。
##### 步骤1：
定义一个入参 PixelMap
```typescript
@State tomatoPixelMap:PixelMap = new PixelMap();
width:number = 200;
height:number = 200;
```
##### 步骤2：
在你的component组件中，写下一个Image组件，将基础参数（入参PixelMap，组件的宽、高）配置好
```
Image(this.tomatoPixelMap)
.backgroundColor(Color.Grey)
.objectFit(ImageFit.Contain)
.width(this.width)
.height(this.height)
```
##### 步骤3：
在aboutToAppear() 函数中调用加载流程
```typescript
//配置参数
let requestOptin = new RequestOption();
//加载本地图片
requestOptin.load($r('app.media.IceCream'))
.addListener((err,data) => {
//加载成功/失败回调监听
})
.placeholder( $r('app.media.icon_loading'), (data)=>{
// 占位图回调监听
})
.errorholder(this.glideOption.errorholderSrc, (data)=>{
// 失败占位图回调监听
})
.thumbnail(this.glideOption.thumbSizeMultiplier, (data) => {
// 缩略图加载成功回调
})
// 一定要把控件大小传给RequestOption,图片变换必须
.setImageViewSize({width:this.width, height:this.height})
// 设置缓存策略
.diskCacheStrategy(new Strategy())
.addProgressListener((percentValue: string) => {
// 图片网络加载进度条百分比回调
})
.addRetryListener((error: any) => {
// 加载失败重试监听 图片加载失败时优先展示重试图层，点击重试图层，会重新进行一次加载流程
})
.transforms(new RoundedCornersTransformation({top:10}))
// 启动加载流程，执行结果将会返回到上面的回调接口中
Glide.call(requestOptin);
```
##### 步骤4：
更多细节设置请参考自定义Component的GlideImage实现
## 演示
<img src="screenshot/g3.gif" width="50%"/>
<img src="screenshot/g1.gif" width="50%"/><img src="screenshot/g2.gif" width="50%"/>

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// Top-level build file where you can add configuration options common to all sub-projects/modules.
apply plugin: 'com.huawei.ohos.app'
//For instructions on signature configuration, see https://developer.harmonyos.com/cn/docs/documentation/doc-guides/ide_debug_device-0000001053822404#section1112183053510
ohos {
compileSdkVersion 8
supportSystem "standard"
}
buildscript {
repositories {
maven {
url 'https://repo.huaweicloud.com/repository/maven/'
}
maven {
url 'https://developer.huawei.com/repo/'
}
}
dependencies {
classpath 'com.huawei.ohos:hap:3.0.5.2'
classpath 'com.huawei.ohos:decctest:1.2.7.2'
}
}
allprojects {
repositories {
maven {
url 'https://repo.huaweicloud.com/repository/maven/'
}
maven {
url 'https://developer.huawei.com/repo/'
}
}
}

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/build
/node_modules

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entry/build.gradle Normal file
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apply plugin: 'com.huawei.ohos.hap'
//For instructions on signature configuration, see https://developer.harmonyos.com/cn/docs/documentation/doc-guides/ide_debug_device-0000001053822404#section1112183053510
ohos {
compileSdkVersion 8
defaultConfig {
compatibleSdkVersion 8
}
buildTypes {
release {
proguardOpt {
proguardEnabled false
rulesFiles 'proguard-rules.pro'
}
}
}
}
dependencies {
implementation fileTree(dir: 'libs', include: ['*.jar', '*.har'])
testImplementation 'junit:junit:4.13.1'
}

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# config module specific ProGuard rules here.

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{
"app": {
"bundleName": "com.huawei.mydemoall",
"vendor": "huawei",
"version": {
"code": 1000000,
"name": "1.0.0"
}
},
"deviceConfig": {
"default": {
"network": {
"cleartextTraffic": true
}
}
},
"module": {
"package": "com.bumptech.glidejs_ohos",
"name": ".MyApplication",
"mainAbility": ".MainAbility",
"srcPath": "",
"deviceType": [
"phone",
"tablet",
"default"
],
"distro": {
"deliveryWithInstall": true,
"moduleName": "entry",
"moduleType": "entry",
"installationFree": false
},
"abilities": [
{
"skills": [
{
"entities": [
"entity.system.home"
],
"actions": [
"action.system.home"
]
}
],
"orientation": "unspecified",
"visible": true,
"srcPath": "MainAbility",
"name": ".MainAbility",
"srcLanguage": "ets",
"icon": "$media:icon",
"description": "$string:mainability_description",
"formsEnabled": false,
"label": "$string:GlideJS_OHOS",
"type": "page",
"launchType": "standard"
}
],
"reqPermissions": [
{
"name": "ohos.permission.READ_USER_STORAGE"
},
{
"name": "ohos.permission.INTERNET",
"reason": "Api call",
"usedScene": {
"ability": [
"com.zls.glidejscache.MainAbility"
],
"when": "always"
}
},
{
"name": "ohos.permission.KEEP_BACKGROUND_RUNNING"
},
{
"name": "ohos.permission.READ_MEDIA",
"reason": "location background",
"usedScene": {
"when": "always",
"ability": [
"com.zls.glidejscache.MainAbility"
]
}
},
{
"name": "ohos.permission.WRITE_MEDIA",
"reason": "location background",
"usedScene": {
"when": "always",
"ability": [
"com.zls.glidejscache.MainAbility"
]
}
}
],
"js": [
{
"mode": {
"syntax": "ets",
"type": "pageAbility"
},
"pages": [
"pages/index",
"pages/indexFresco",
"pages/frescoLayerTestCasePage",
"pages/frescoImageTestCasePage",
"pages/frescoRetryTestCasePage",
"pages/basicTestFeatureAbilityPage",
"pages/basicTestFileIOPage",
"pages/basicTestMediaImage",
"pages/basicTestResourceManagerPage",
"pages/storageTestLruCache",
"pages/storageTestDiskLruCache",
"pages/testMemoryCachePage",
"pages/transformTestCasePage",
"pages/pngjTestCasePage",
"pages/testAllTypeGlideImagePage",
"pages/testAllTypeNativeImagePage",
"pages/loadResourceTestCasePage",
"pages/loadNetworkTestCasePage",
"pages/showErrorholderTestCasePage",
"pages/TransformPixelMapPage",
"pages/testGifDontAnimatePage",
"pages/testPreloadPage",
"pages/testGlideOptionChangedPage",
"pages/testGlideOptionChangedPage2",
"pages/CompressPage",
"pages/testAllCacheInfoPage",
"pages/testResourceManagerPage",
"pages/testMultiThreadWorkerPage2",
"pages/testGlideOptionChangedPage",
"pages/CropImagePage",
"pages/networkTestCasePage",
"pages/jpegProgressTestCasePage"
],
"name": ".MainAbility",
"window": {
"designWidth": 720,
"autoDesignWidth": false
}
}
]
}
}

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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 app from '@system.app';
import {Glide} from './glide/Glide.ets'
export default {
data: {
glide: {} // Glide
},
onCreate() {
this.data.glide = Glide.with();
app.setImageCacheCount(100);
app.setImageRawDataCacheSize(104857600)
app.setImageFileCacheSize(209715200)
},
onDestroy() {
},
}

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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.
*/
export class Base64 {
lookup: Uint8Array = new Uint8Array(256)
chars: string = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'
private static sInstance: Base64;
public static getInstance(): Base64{
if (!this.sInstance) {
this.sInstance = new Base64();
}
return this.sInstance;
}
private constructor() {
console.log("Base64 - constructor init!")
for (var index = 0; index < this.chars.length; index++) {
this.lookup[this.chars.charCodeAt(index)] = index;
}
}
encode(arraybuffer: ArrayBuffer): string {
let bytes = new Uint8Array(arraybuffer),
i,
len = bytes.length,
base64 = '';
for (i = 0; i < len; i += 3) {
base64 += this.chars[bytes[i] >> 2];
base64 += this.chars[((bytes[i] & 3) << 4) | (bytes[i + 1] >> 4)];
base64 += this.chars[((bytes[i + 1] & 15) << 2) | (bytes[i + 2] >> 6)];
base64 += this.chars[bytes[i + 2] & 63];
}
if (len % 3 === 2) {
base64 = base64.substring(0, base64.length - 1) + '=';
} else if (len % 3 === 1) {
base64 = base64.substring(0, base64.length - 2) + '==';
}
return base64;
}
decode(base64: string): ArrayBuffer{
let bufferLength = base64.length * 0.75,
len = base64.length,
i,
p = 0,
encoded1,
encoded2,
encoded3,
encoded4;
if (base64[base64.length - 1] === '=') {
bufferLength--;
if (base64[base64.length - 2] === '=') {
bufferLength--;
}
}
const arraybuffer = new ArrayBuffer(bufferLength),
bytes = new Uint8Array(arraybuffer);
for (i = 0; i < len; i += 4) {
encoded1 = this.lookup[base64.charCodeAt(i)];
encoded2 = this.lookup[base64.charCodeAt(i + 1)];
encoded3 = this.lookup[base64.charCodeAt(i + 2)];
encoded4 = this.lookup[base64.charCodeAt(i + 3)];
bytes[p++] = (encoded1 << 2) | (encoded2 >> 4);
bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2);
bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63);
}
return arraybuffer;
}
}

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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.
*/
export class CustomMap <K, V> {
map: Map<K, V> = new Map<K, V>()
// 获取键对应的值
get(key: K): V | undefined{
if (key == null) {
throw new Error('key is null,checking the parameter');
}
return this.map.get(key)
}
/**
* 是否含有key的缓存
*/
hasKey(key: K) {
if (key == null) {
throw new Error('key is null,checking the parameter');
}
return this.map.has(key)
}
// 添加键值对
put(key: K, value: V): V | undefined{
if (key == null || value == null) {
throw new Error('key or value is invalid,checking the parameter');
}
var pre = this.map.get(key)
if (this.hasKey(key)) {
this.map.delete(key)
}
this.map.set(key, value);
return pre
}
// 去除键值，(去除键数据中的键名及对应的值)
remove(key: K): boolean {
if (key == null) {
throw new Error('key is null,checking the parameter');
}
return this.map.delete(key)
}
/**
* 获取最先存储的数据的key
*/
getFirstKey(): K{ // keys()可以遍历后需要优化put()方法，暂时仅获取index=0的key
return this.map.keys().next().value
}
// 判断键值元素是否为空
isEmpty(): boolean{
return this.map.size == 0;
}
// 获取键值元素大小
size(): number{
return this.map.size;
}
// 遍历Map,执行处理函数. 回调函数 function(key,value,index){..}
each(fn) {
this.map.forEach(fn)
}
// 清除键值对
clear() {
this.map.clear()
}
// 遍历key
keys(): IterableIterator<K>{
return this.map.keys()
}
}

47
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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.
*/
export class DiskCacheEntry {
// 缓存的key
key: string= ''
// 缓存文件大小
length: number= 0
constructor(key: string, length?: number) {
this.key = key
this.length = length
}
setKey(key: string) {
this.key = key
}
getkey(): string{
return this.key
}
setLength(length: number) {
this.length = length
}
getLength(): number{
return this.length
}
toString(): string{
return this.key + ' - ' + this.length
}
}

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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 {CustomMap} from './CustomMap'
import {FileUtils} from './FileUtils'
import {FileReader} from './FileReader'
import {DiskCacheEntry} from './DiskCacheEntry'
import fileio from '@ohos.fileio';
import featureability from '@ohos.ability.featureAbility'
import {Md5} from './Md5.ets'
export class DiskLruCache {
// 缓存数据集合
cacheMap: CustomMap<string, DiskCacheEntry> = new CustomMap<string, DiskCacheEntry>()
fileUtils: FileUtils = FileUtils.getInstance()
diskCacheFolder: string = 'GlideDiskCache'
// 缓存文件路劲地址
dirPath: string= ''
// 缓存数据最大值
maxSize: number = 30 * 1024 * 1024
// 当前缓存数据值
size: number = 0
// 缓存journal文件名称
journal: string = 'journal'
// 缓存journal备份文件名称
journalTemp: string = 'journal_temp'
// 缓存journal文件路径
journalPath: string = ''
// 缓存journal备份文件路径
journalPathTemp: string = ''
constructor(maxSize: number, direction?: string) {
if (maxSize > 0) {
this.maxSize = maxSize
}
if (!this.isNull(direction)) {
if (direction.endsWith('/')) {
this.dirPath = direction
} else {
this.dirPath = direction + '/'
}
} else {
featureability.getContext()
.getFilesDir()
.then((data) => {
console.log('DiskLruCache - FileDir= ' + data)
let dirPathFolder = data + '/' + this.diskCacheFolder
this.dirPath = dirPathFolder;
FileUtils.getInstance()
.createFolder(dirPathFolder)
this.init()
})
.catch((error) => {
console.log('DiskLruCache FileDir Error Cause:' + error.message);
})
}
}
/**
* 初始化缓存文件
*/
private init() {
if (this.dirPath.endsWith('/')) {
this.dirPath = this.dirPath
} else {
this.dirPath = this.dirPath + '/'
}
this.journalPath = this.dirPath + this.journal
this.journalPathTemp = this.dirPath + this.journalTemp
try {
var stat = fileio.statSync(this.journalPath)
if (stat.isFile() && stat.size > 0) {
this.fileUtils.createFile(this.journalPathTemp)
this.fileUtils.copyFile(this.journalPath, this.journalPathTemp)
this.readJournal(this.journalPathTemp)
this.resetJournalFile()
} else {
this.fileUtils.createFile(this.journalPath)
}
} catch (e) {
console.log('DiskLruCache - init e ' + e)
this.fileUtils.createFile(this.journalPath)
}
}
/**
* 重置journal文件数据
*/
resetJournalFile(){
this.fileUtils.clearFile(this.journalPath)
for(let key of this.cacheMap.keys()){
this.fileUtils.writeData(this.journalPath, 'save ' + key + '\n')
}
}
/**
* 读取journal文件的缓存数据
*/
readJournal(path: string) {
var fileReader = new FileReader(path)
var line: string = ''
while (!fileReader.isEnd()) {
line = fileReader.readLine()
line = line.replace('\n', '').replace('\r', '')
this.dealwithJournal(line)
}
this.fileUtils.deleteFile(this.journalPathTemp)
this.trimToSize()
}
/**
* 处理journal文件数据
*/
dealwithJournal(line: string) {
var picPath = ''
try {
var datas = line.split(' ')
if (datas.length > 1) {
if (datas[0] != 'remove') {
picPath = this.dirPath + datas[1]
var picstat = fileio.statSync(picPath)
if (picstat.isFile() && picstat.size > 0) {
this.size = this.size + picstat.size
this.fileUtils.writeData(this.journalPath, line + '\n')
this.putCacheMap(datas[1], picstat.size)
}
} else {
if (this.cacheMap.hasKey(datas[1])) {
var cacheEntry: DiskCacheEntry = this.cacheMap.get(datas[1])
this.size = this.size - cacheEntry.getLength()
this.cacheMap.remove(datas[1])
}
}
}
} catch (e) {
console.log('DiskLruCache - dealwithJournal e = ' + e)
}
}
/**
* 设置disk缓存最大数据值
*/
setMaxSize(max: number) {
this.maxSize = max
}
/**
* 缓存数据map集合
*/
private putCacheMap(key: string, length?: number) {
if (this.cacheMap.hasKey(key)) {
this.cacheMap.remove(key)
}
if (length > 0) {
this.cacheMap.put(key, new DiskCacheEntry(key, length))
} else {
this.cacheMap.put(key, new DiskCacheEntry(key))
}
}
/**
* 存储disk缓存数据
*/
putCacheData(key: string, content?: ArrayBuffer, path?: string) {
if (key == null) {
throw new Error('key is null,checking the parameter');
}
var fileSize = 0
var isvalid: boolean = false
key = Md5.hashStr(key)
if (content != null && content.byteLength > 0) {
isvalid = true
var tempPath = this.dirPath + key
fileSize = content.byteLength
this.fileUtils.writePic(tempPath, content)
}
if (!this.isNull(path) && this.fileUtils.exist(path)) {
isvalid = true
fileSize = this.fileUtils.getFileSize(path)
this.fileUtils.copyFile(path, this.dirPath + key)
}
if (isvalid) {
this.size = this.size + fileSize
this.putCacheMap(key, fileSize)
this.fileUtils.writeData(this.journalPath, 'save ' + key + '\n')
this.trimToSize()
} else {
throw ('putCacheData() key or content or path is invalid')
}
}
/**
* 根据LRU算法删除多余缓存数据
*/
private trimToSize() {
while (this.size > this.maxSize) {
var tempkey: string = this.cacheMap.getFirstKey()
var fileSize = this.fileUtils.getFileSize(this.dirPath + tempkey)
if (fileSize > 0) {
this.size = this.size - fileSize
}
this.fileUtils.deleteFile(this.dirPath + tempkey)
this.cacheMap.remove(tempkey)
this.fileUtils.writeData(this.journalPath, 'remove ' + tempkey + '\n')
}
}
/**
* 获取key缓存数据
*/
getCacheDataByKey(key: string): ArrayBuffer{
if (key == null) {
throw new Error('key is null,checking the parameter');
}
key = Md5.hashStr(key)
var path = this.dirPath + key;
if (this.fileUtils.exist(path)) {
var ab: ArrayBuffer = this.fileUtils.readFilePic(path)
this.putCacheMap(key, ab.byteLength)
this.fileUtils.writeData(path, 'read ' + key + '\n')
return ab
} else {
return null;
}
}
/**
* 获取key缓存数据绝对路径
*/
getCacheFileByKey(key: string): string{
if (key == null) {
throw new Error('key is null,checking the parameter');
}
key = Md5.hashStr(key)
if (this.dirPath.endsWith('/')) {
this.dirPath = this.dirPath
} else {
this.dirPath = this.dirPath + '/'
}
var path = this.dirPath + key;
if (this.fileUtils.exist(path)) {
this.fileUtils.writeData(path, 'read ' + key + '\n')
return path
} else {
return null
}
}
/**
* 删除key缓存数据
*/
deleteCacheDataBykey(key: string): DiskCacheEntry{
if (key == null) {
throw new Error('key is null,checking the parameter');
}
key = Md5.hashStr(key)
var path = this.dirPath + key;
if (this.fileUtils.exist(path)) {
var ab = this.fileUtils.readFilePic(path)
this.size = this.size - ab.byteLength
this.cacheMap.remove(key)
this.fileUtils.writeData(this.journalPath, 'remove ' + key + '\n')
this.fileUtils.deleteFile(path)
}
return this.cacheMap.get(key)
}
/**
* 清除所有disk缓存数据
*/
cleanCacheData() {
var length = this.cacheMap.size()
for (var index = 0; index < length; index++) {
this.fileUtils.deleteFile(this.dirPath + this.cacheMap[index])
}
this.fileUtils.deleteFile(this.journalPath)
this.cacheMap.clear()
this.size = 0
}
/**
* 空字符串判断
*/
private isNull(str: string): boolean{
if (!str || Object.keys(str).length == 0) {
return true
} else {
return false
}
}
foreachDiskLruCache(fn){
this.cacheMap.each(fn)
}
}

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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 fileio from '@ohos.fileio';
export class FileReader {
// 文件大小
fileLength: number = 0
// 读取的长度
length: number = 0
// 读写stream
stream: any = null
// 缓存buf
buf: ArrayBuffer = new ArrayBuffer(1)
constructor(path: string) {
if (!path || Object.keys(path).length == 0) {
return
}
try {
this.stream = fileio.createStreamSync(path, 'r+');
var stat = fileio.statSync(path)
this.fileLength = stat.size
} catch (e) {
}
}
/**
* 循环读取文件数据
*/
readLine(): string{
var line = ''
while (this.length <= this.fileLength) {
this.stream.readSync(this.buf, { position: this.length })
this.length++
var temp = String.fromCharCode.apply(null, new Uint8Array(this.buf));
line = line + temp
if (temp == '\n' || temp == '\r') {
return line
}
}
return line
}
/**
* 判断文件是否结束
*/
isEnd() {
return this.fileLength <= 0 || this.length == this.fileLength
}
/**
* 关闭stream
*/
close() {
this.stream.closeSync()
}
}

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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 resmgr from '@ohos.resourceManager'
import fileio from '@ohos.fileio';
export class FileUtils {
base64Str: string= ''
private static sInstance: FileUtils;
public static getInstance(): FileUtils{
if (!this.sInstance) {
this.sInstance = new FileUtils();
}
return this.sInstance;
}
private constructor() {
console.error("FileUtils - FileUtils constructor")
}
/**
* 新建文件
* @param path 文件绝对路径及文件名
* @return number 文件句柄id
*/
createFile(path: string): number{
return fileio.openSync(path, 0o100, 0o666)
}
/**
* 删除文件
* @param path 文件绝对路径及文件名
*/
deleteFile(path: string):void {
fileio.unlinkSync(path);
}
/**
* 同步删除文件目录 必须保证文件夹里面没有文件
* @param path 待删除目录的绝对路径
*/
deleteFolderSync(path: string):void {
if (this.existFolder(path)) {
fileio.rmdirSync(path);
}
}
/**
* 异步删除文件目录 必须保证文件夹里面没有文件
* @param path 待删除目录的绝对路径
*/
deleteFolderAsync(path: string, deleteComplete, deleteError) {
if (this.existFolder(path)) {
fileio.rmdir(path)
.then(deleteComplete).catch(deleteError);
}
}
/**
* 拷贝文件
* @param path 文件绝对路径及文件名
*/
copyFile(oriPath: string, newPath: string) {
fileio.copyFileSync(oriPath, newPath);
}
/**
* 清空已有文件数据
*/
clearFile(path: string):number {
return fileio.openSync(path, 0o1000)
}
/**
* 向path写入content数据，覆盖旧数据
*/
writeFile(path: string, content: ArrayBuffer | string) {
try {
let fd = fileio.openSync(path, 0o102, 0o666)
fileio.ftruncateSync(fd)
fileio.writeSync(fd, content)
fileio.fsyncSync(fd)
fileio.closeSync(fd)
} catch (e) {
console.log("FileUtils - Failed to writeFile for " + e)
}
}
/**
* 向path写入数据
*/
writeData(path: string, content: ArrayBuffer | string) {
try {
console.info("FileUtils - writeData size 1= " + path)
let fd = fileio.openSync(path, 0o102, 0o666)
console.info("FileUtils - writeData size 2= ")
let stat = fileio.statSync(path)
console.info("FileUtils - writeData size = " + stat.size)
fileio.writeSync(fd, content, { position: stat.size })
let length = 0
if (content instanceof ArrayBuffer) {
length = content.byteLength
} else {
length = content.length
}
fileio.closeSync(fd)
} catch (e) {
console.log("FileUtils - Failed to writeData for " + e)
}
}
/**
* 判断path文件是否存在
*/
exist(path: string): boolean{
try {
let stat = fileio.statSync(path)
return stat.isFile()
} catch (e) {
console.debug("FileUtils - fileutils exsit e" + e)
console.log("path=>" + path)
return false
}
}
/**
* 向path写入数据
*/
writePic(path: string, picData: ArrayBuffer) {
console.info("FileUtils - writepic 1")
this.createFile(path)
this.writeFile(path, picData)
console.info("FileUtils - writepic 3")
}
/**
* 获取path的文件大小
*/
getFileSize(path: string): number{
try {
let stat = fileio.statSync(path)
return stat.size
} catch (e) {
console.error("FileUtils - FileUtils getFileSize e " + e)
return -1
}
}
/**
* 读取路径path的文件
*/
readFilePic(path: string): ArrayBuffer {
try {
let stat = fileio.statSync(path)
console.info("FileUtils - readFilePic 1")
let fd = fileio.openSync(path, 0o2);
let length = fileio.statSync(path).size
console.info("FileUtils - readFilePic 2 length = " + length)
let buf = new ArrayBuffer(length);
console.info("FileUtils - readFilePic 3")
fileio.readSync(fd, buf)
return buf
} catch (e) {
console.log("FileUtils - readFilePic " + e)
return new ArrayBuffer(0)
}
}
/**
* 读取media的资源文件
*/
readMediaPic() {
resmgr.getResourceManager()
.then(result => {
result.getMediaBase64($r('app.media.icon')
.id)
.then(data => {
console.error("FileUtils - readPic data = " + data)
data = data.replace("data:image/png;base64,", "")
console.error("FileUtils - readPic this.data = " + data)
this.base64Str = data
console.error("FileUtils - readPic this.base64Str = " + this.base64Str)
})
.catch(err => {
console.log("FileUtils - readPic err" + JSON.stringify(err));
})
})
}
/**
* stream式读取
*/
readStream(path: string): string {
try {
let stat = fileio.statSync(path)
let length = stat.size
let buf = new ArrayBuffer(length);
let ss = fileio.createStreamSync(path, "r+");
ss.readSync(buf)
ss.closeSync();
return String.fromCharCode.apply(null, new Uint8Array(buf))
} catch (e) {
console.log("FileUtils - readFilePic " + e)
return ""
}
}
/**
* stream式写入
*/
writeStream(path: string, tempArray: ArrayBuffer) {
try {
console.error("FileUtils - writeStream =1 ")
this.createFile(path)
console.error("FileUtils - writeStream 2 ")
let ss = fileio.createStreamSync(path, "r+");
console.error("FileUtils - writeStream 3 " + tempArray.byteLength)
let num = ss.writeSync(tempArray, {
encoding: 'utf-8'
});
console.error("FileUtils - write num = " + num)
ss.flushSync();
ss.closeSync();
} catch (e) {
console.log("FileUtils - Failed to writeStream for " + e)
}
}
/**
* 创建文件夹
* @param 文件夹绝对路径
*/
createFolder(path: string) {
//创建文件夹
if (!this.existFolder(path)) {
fileio.mkdirSync(path)
}
}
/**
* 判断文件夹是否存在
* @param 文件夹绝对路径
*/
existFolder(path: string): boolean{
try {
let stat = fileio.statSync(path)
return stat.isDirectory()
} catch (e) {
console.debug("fileutils folder exsit error=" + e)
return false
}
}
/**
* 如果文件夹不存在则创建一个文件夹 然后在其中创建文件 并且将数据写入进文件
* @param folder 文件夹绝对路径
* @param file 文件绝对路径
* @param content 文件内容数据
*/
createFileProcess(folder: string, file: string, content: ArrayBuffer | string) {
//创建文件夹
this.createFolder(folder);
//创建文件
this.createFile(file);
//写入数据
this.writeFile(file, content)
}
/**
* string 转 Uint8Array
* @param str 输入String
*/
stringToUint8Array(str): Uint8Array{
var arr = [];
for (var i = 0, j = str.length; i < j; ++i) {
arr.push(str.charCodeAt(i));
}
var tmpUint8Array = new Uint8Array(arr);
return tmpUint8Array
}
/**
* int 转 byte[]
* @param n 输入int
*/
intTobytes2(n) {
var bytes = [];
for (var i = 0; i < 2; i++) {
bytes[i] = n >> (8 - i * 8);
}
return bytes;
}
uint8ArrayToBuffer(array: Uint8Array): ArrayBuffer {
return array.buffer.slice(array.byteOffset, array.byteLength + array.byteOffset)
}
}
export interface AsyncCallback<T> {
(err: string, data: T): void;
}

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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 {CustomMap} from './CustomMap'
export class LruCache <K, V> {
maxsize: number = 0
size: number = 0;
map: CustomMap<K, V> = new CustomMap<K, V>();
constructor(maxsize: number) {
this.trimToSize(-1)
this.maxsize = maxsize
this.size = 0;
}
// 添加缓存键值对
put(key: K, value: V) {
if (key == null || value == null) {
throw new Error('key or value is invalid ');
}
var pre = this.map.get(key)
if (pre == null) {
this.size++
}
this.entryRemoved(key, pre, value)
this.trimToSize(this.maxsize)
}
// 移除键为key的缓存
remove(key: K): V | undefined{
if (key == null) {
throw new Error('key is null,checking the parameter');
}
var preValue = this.map.get(key)
if (this.map.remove(key)) {
this.size--
}
return preValue
}
// 获取键为key的value
get(key: K): V {
if (key == null) {
throw new Error('key is null,checking the parameter');
}
var preValue = this.map.get(key)
if (preValue != null) {
this.entryRemoved(key, preValue, preValue)
}
return preValue
}
/*
* 替换或删除对应key键的数据
* evicted：是否删除
* key：对应的键值key
* preValue 对应key键的旧value值
* value 对应key键的新value值
*/
entryRemoved(key: K, preValue: V, value: V) {
if (preValue != null) {
this.map.remove(key)
}
if (value != null) {
this.map.put(key, value)
}
}
// 移除较少使用的缓存数据
trimToSize(tempsize: number) {
while (true) {
if (tempsize < 0) {
this.map.clear()
this.size = 0
break
}
if (this.size <= tempsize || this.map.isEmpty()) {
break
}
var delkey = this.map.getFirstKey()
this.map.remove(delkey)
this.size--
}
}
// 缓存数据数量
sizeLength(): number{
return this.size
}
// 缓存数据最大值
maxSize(): number{
return this.maxsize
}
// 设置缓存数据量最大值
resize(maxsize: number) {
if (maxsize < 0) {
throw new Error('maxsize <0 & maxsize invalid');
}
this.maxsize = maxsize
this.trimToSize(maxsize)
}
// 清除缓存
evicAll() {
this.trimToSize(-1)
}
print():string {
let printResult = '';
if (this.map.isEmpty()) {
return printResult;
}
this.map.each(function (value, key, index) {
printResult +='LruCache:key=' + key + 'value= ' + value;
})
return printResult;
}
foreachLruCache(fn){
this.map.each(fn);
}
}

392
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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.
*/
export class Md5 {
// One time hashing functions
public static hashStr(str: string, raw?: false): string
public static hashStr(str: string, raw: true): Int32Array
public static hashStr(str: string, raw: boolean = false) {
return this.onePassHasher
.start()
.appendStr(str)
.end(raw);
}
public static hashAsciiStr(str: string, raw?: false): string
public static hashAsciiStr(str: string, raw: true): Int32Array
public static hashAsciiStr(str: string, raw: boolean = false) {
return this.onePassHasher
.start()
.appendAsciiStr(str)
.end(raw);
}
// Private Static Variables
private static stateIdentity = new Int32Array([1732584193, -271733879, -1732584194, 271733878]);
private static buffer32Identity = new Int32Array([0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]);
private static hexChars = '0123456789abcdef';
private static hexOut: string[] = [];
// Permanent instance is to use for one-call hashing
private static onePassHasher = new Md5();
private static _hex(x: any): string {
const hc = Md5.hexChars;
const ho = Md5.hexOut;
let n;
let offset;
let j;
let i;
for (i = 0; i < 4; i += 1) {
offset = i * 8;
n = x[i];
for (j = 0; j < 8; j += 2) {
ho[offset + 1 + j] = hc.charAt(n & 0x0F);
n >>>= 4;
ho[offset + 0 + j] = hc.charAt(n & 0x0F);
n >>>= 4;
}
}
return ho.join('');
}
private static _md5cycle(x: Int32Array | Uint32Array, k: Int32Array | Uint32Array) {
let a = x[0];
let b = x[1];
let c = x[2];
let d = x[3];
// ff()
a += (b & c | ~b & d) + k[0] - 680876936 | 0;
a = (a << 7 | a >>> 25) + b | 0;
d += (a & b | ~a & c) + k[1] - 389564586 | 0;
d = (d << 12 | d >>> 20) + a | 0;
c += (d & a | ~d & b) + k[2] + 606105819 | 0;
c = (c << 17 | c >>> 15) + d | 0;
b += (c & d | ~c & a) + k[3] - 1044525330 | 0;
b = (b << 22 | b >>> 10) + c | 0;
a += (b & c | ~b & d) + k[4] - 176418897 | 0;
a = (a << 7 | a >>> 25) + b | 0;
d += (a & b | ~a & c) + k[5] + 1200080426 | 0;
d = (d << 12 | d >>> 20) + a | 0;
c += (d & a | ~d & b) + k[6] - 1473231341 | 0;
c = (c << 17 | c >>> 15) + d | 0;
b += (c & d | ~c & a) + k[7] - 45705983 | 0;
b = (b << 22 | b >>> 10) + c | 0;
a += (b & c | ~b & d) + k[8] + 1770035416 | 0;
a = (a << 7 | a >>> 25) + b | 0;
d += (a & b | ~a & c) + k[9] - 1958414417 | 0;
d = (d << 12 | d >>> 20) + a | 0;
c += (d & a | ~d & b) + k[10] - 42063 | 0;
c = (c << 17 | c >>> 15) + d | 0;
b += (c & d | ~c & a) + k[11] - 1990404162 | 0;
b = (b << 22 | b >>> 10) + c | 0;
a += (b & c | ~b & d) + k[12] + 1804603682 | 0;
a = (a << 7 | a >>> 25) + b | 0;
d += (a & b | ~a & c) + k[13] - 40341101 | 0;
d = (d << 12 | d >>> 20) + a | 0;
c += (d & a | ~d & b) + k[14] - 1502002290 | 0;
c = (c << 17 | c >>> 15) + d | 0;
b += (c & d | ~c & a) + k[15] + 1236535329 | 0;
b = (b << 22 | b >>> 10) + c | 0;
// gg()
a += (b & d | c & ~d) + k[1] - 165796510 | 0;
a = (a << 5 | a >>> 27) + b | 0;
d += (a & c | b & ~c) + k[6] - 1069501632 | 0;
d = (d << 9 | d >>> 23) + a | 0;
c += (d & b | a & ~b) + k[11] + 643717713 | 0;
c = (c << 14 | c >>> 18) + d | 0;
b += (c & a | d & ~a) + k[0] - 373897302 | 0;
b = (b << 20 | b >>> 12) + c | 0;
a += (b & d | c & ~d) + k[5] - 701558691 | 0;
a = (a << 5 | a >>> 27) + b | 0;
d += (a & c | b & ~c) + k[10] + 38016083 | 0;
d = (d << 9 | d >>> 23) + a | 0;
c += (d & b | a & ~b) + k[15] - 660478335 | 0;
c = (c << 14 | c >>> 18) + d | 0;
b += (c & a | d & ~a) + k[4] - 405537848 | 0;
b = (b << 20 | b >>> 12) + c | 0;
a += (b & d | c & ~d) + k[9] + 568446438 | 0;
a = (a << 5 | a >>> 27) + b | 0;
d += (a & c | b & ~c) + k[14] - 1019803690 | 0;
d = (d << 9 | d >>> 23) + a | 0;
c += (d & b | a & ~b) + k[3] - 187363961 | 0;
c = (c << 14 | c >>> 18) + d | 0;
b += (c & a | d & ~a) + k[8] + 1163531501 | 0;
b = (b << 20 | b >>> 12) + c | 0;
a += (b & d | c & ~d) + k[13] - 1444681467 | 0;
a = (a << 5 | a >>> 27) + b | 0;
d += (a & c | b & ~c) + k[2] - 51403784 | 0;
d = (d << 9 | d >>> 23) + a | 0;
c += (d & b | a & ~b) + k[7] + 1735328473 | 0;
c = (c << 14 | c >>> 18) + d | 0;
b += (c & a | d & ~a) + k[12] - 1926607734 | 0;
b = (b << 20 | b >>> 12) + c | 0;
// hh()
a += (b ^ c ^ d) + k[5] - 378558 | 0;
a = (a << 4 | a >>> 28) + b | 0;
d += (a ^ b ^ c) + k[8] - 2022574463 | 0;
d = (d << 11 | d >>> 21) + a | 0;
c += (d ^ a ^ b) + k[11] + 1839030562 | 0;
c = (c << 16 | c >>> 16) + d | 0;
b += (c ^ d ^ a) + k[14] - 35309556 | 0;
b = (b << 23 | b >>> 9) + c | 0;
a += (b ^ c ^ d) + k[1] - 1530992060 | 0;
a = (a << 4 | a >>> 28) + b | 0;
d += (a ^ b ^ c) + k[4] + 1272893353 | 0;
d = (d << 11 | d >>> 21) + a | 0;
c += (d ^ a ^ b) + k[7] - 155497632 | 0;
c = (c << 16 | c >>> 16) + d | 0;
b += (c ^ d ^ a) + k[10] - 1094730640 | 0;
b = (b << 23 | b >>> 9) + c | 0;
a += (b ^ c ^ d) + k[13] + 681279174 | 0;
a = (a << 4 | a >>> 28) + b | 0;
d += (a ^ b ^ c) + k[0] - 358537222 | 0;
d = (d << 11 | d >>> 21) + a | 0;
c += (d ^ a ^ b) + k[3] - 722521979 | 0;
c = (c << 16 | c >>> 16) + d | 0;
b += (c ^ d ^ a) + k[6] + 76029189 | 0;
b = (b << 23 | b >>> 9) + c | 0;
a += (b ^ c ^ d) + k[9] - 640364487 | 0;
a = (a << 4 | a >>> 28) + b | 0;
d += (a ^ b ^ c) + k[12] - 421815835 | 0;
d = (d << 11 | d >>> 21) + a | 0;
c += (d ^ a ^ b) + k[15] + 530742520 | 0;
c = (c << 16 | c >>> 16) + d | 0;
b += (c ^ d ^ a) + k[2] - 995338651 | 0;
b = (b << 23 | b >>> 9) + c | 0;
// ii()
a += (c ^ (b | ~d)) + k[0] - 198630844 | 0;
a = (a << 6 | a >>> 26) + b | 0;
d += (b ^ (a | ~c)) + k[7] + 1126891415 | 0;
d = (d << 10 | d >>> 22) + a | 0;
c += (a ^ (d | ~b)) + k[14] - 1416354905 | 0;
c = (c << 15 | c >>> 17) + d | 0;
b += (d ^ (c | ~a)) + k[5] - 57434055 | 0;
b = (b << 21 | b >>> 11) + c | 0;
a += (c ^ (b | ~d)) + k[12] + 1700485571 | 0;
a = (a << 6 | a >>> 26) + b | 0;
d += (b ^ (a | ~c)) + k[3] - 1894986606 | 0;
d = (d << 10 | d >>> 22) + a | 0;
c += (a ^ (d | ~b)) + k[10] - 1051523 | 0;
c = (c << 15 | c >>> 17) + d | 0;
b += (d ^ (c | ~a)) + k[1] - 2054922799 | 0;
b = (b << 21 | b >>> 11) + c | 0;
a += (c ^ (b | ~d)) + k[8] + 1873313359 | 0;
a = (a << 6 | a >>> 26) + b | 0;
d += (b ^ (a | ~c)) + k[15] - 30611744 | 0;
d = (d << 10 | d >>> 22) + a | 0;
c += (a ^ (d | ~b)) + k[6] - 1560198380 | 0;
c = (c << 15 | c >>> 17) + d | 0;
b += (d ^ (c | ~a)) + k[13] + 1309151649 | 0;
b = (b << 21 | b >>> 11) + c | 0;
a += (c ^ (b | ~d)) + k[4] - 145523070 | 0;
a = (a << 6 | a >>> 26) + b | 0;
d += (b ^ (a | ~c)) + k[11] - 1120210379 | 0;
d = (d << 10 | d >>> 22) + a | 0;
c += (a ^ (d | ~b)) + k[2] + 718787259 | 0;
c = (c << 15 | c >>> 17) + d | 0;
b += (d ^ (c | ~a)) + k[9] - 343485551 | 0;
b = (b << 21 | b >>> 11) + c | 0;
x[0] = a + x[0] | 0;
x[1] = b + x[1] | 0;
x[2] = c + x[2] | 0;
x[3] = d + x[3] | 0;
}
private _dataLength: number;
private _bufferLength: number;
private _state: Int32Array = new Int32Array(4);
private _buffer: ArrayBuffer = new ArrayBuffer(68);
private _buffer8: Uint8Array;
private _buffer32: Uint32Array;
constructor() {
this._buffer8 = new Uint8Array(this._buffer, 0, 68);
this._buffer32 = new Uint32Array(this._buffer, 0, 17);
this.start();
}
public start() {
this._dataLength = 0;
this._bufferLength = 0;
this._state.set(Md5.stateIdentity);
return this;
}
// Char to code point to to array conversion:
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt
// #Example.3A_Fixing_charCodeAt_to_handle_non-Basic-Multilingual-Plane_characters_if_their_presence_earlier_in_the_string_is_unknown
public appendStr(str: string) {
const buf8 = this._buffer8;
const buf32 = this._buffer32;
let bufLen = this._bufferLength;
let code;
let i;
for (i = 0; i < str.length; i += 1) {
code = str.charCodeAt(i);
if (code < 128) {
buf8[bufLen++] = code;
} else if (code < 0x800) {
buf8[bufLen++] = (code >>> 6) + 0xC0;
buf8[bufLen++] = code & 0x3F | 0x80;
} else if (code < 0xD800 || code > 0xDBFF) {
buf8[bufLen++] = (code >>> 12) + 0xE0;
buf8[bufLen++] = (code >>> 6 & 0x3F) | 0x80;
buf8[bufLen++] = (code & 0x3F) | 0x80;
} else {
code = ((code - 0xD800) * 0x400) + (str.charCodeAt(++i) - 0xDC00) + 0x10000;
if (code > 0x10FFFF) {
throw new Error('Unicode standard supports code points up to U+10FFFF');
}
buf8[bufLen++] = (code >>> 18) + 0xF0;
buf8[bufLen++] = (code >>> 12 & 0x3F) | 0x80;
buf8[bufLen++] = (code >>> 6 & 0x3F) | 0x80;
buf8[bufLen++] = (code & 0x3F) | 0x80;
}
if (bufLen >= 64) {
this._dataLength += 64;
Md5._md5cycle(this._state, buf32);
bufLen -= 64;
buf32[0] = buf32[16];
}
}
this._bufferLength = bufLen;
return this;
}
public appendAsciiStr(str: string) {
const buf8 = this._buffer8;
const buf32 = this._buffer32;
let bufLen = this._bufferLength;
let i;
let j = 0;
for (;; ) {
i = Math.min(str.length - j, 64 - bufLen);
while (i--) {
buf8[bufLen++] = str.charCodeAt(j++);
}
if (bufLen < 64) {
break;
}
this._dataLength += 64;
Md5._md5cycle(this._state, buf32);
bufLen = 0;
}
this._bufferLength = bufLen;
return this;
}
public appendByteArray(input: Uint8Array) {
const buf8 = this._buffer8;
const buf32 = this._buffer32;
let bufLen = this._bufferLength;
let i;
let j = 0;
for (;; ) {
i = Math.min(input.length - j, 64 - bufLen);
while (i--) {
buf8[bufLen++] = input[j++];
}
if (bufLen < 64) {
break;
}
this._dataLength += 64;
Md5._md5cycle(this._state, buf32);
bufLen = 0;
}
this._bufferLength = bufLen;
return this;
}
public getState() {
const self = this;
const s = self._state;
return {
buffer: String.fromCharCode.apply(null, self._buffer8),
buflen: self._bufferLength,
length: self._dataLength,
state: [s[0], s[1], s[2], s[3]]
};
}
public setState(state: any) {
const buf = state.buffer;
const x = state.state;
const s = this._state;
let i;
this._dataLength = state.length;
this._bufferLength = state.buflen;
s[0] = x[0];
s[1] = x[1];
s[2] = x[2];
s[3] = x[3];
for (i = 0; i < buf.length; i += 1) {
this._buffer8[i] = buf.charCodeAt(i);
}
}
public end(raw: boolean = false) {
const bufLen = this._bufferLength;
const buf8 = this._buffer8;
const buf32 = this._buffer32;
const i = (bufLen >> 2) + 1;
let dataBitsLen;
this._dataLength += bufLen;
buf8[bufLen] = 0x80;
buf8[bufLen + 1] = buf8[bufLen + 2] = buf8[bufLen + 3] = 0;
buf32.set(Md5.buffer32Identity.subarray(i), i);
if (bufLen > 55) {
Md5._md5cycle(this._state, buf32);
buf32.set(Md5.buffer32Identity);
}
// Do the final computation based on the tail and length
// Beware that the final length may not fit in 32 bits so we take care of that
dataBitsLen = this._dataLength * 8;
if (dataBitsLen <= 0xFFFFFFFF) {
buf32[14] = dataBitsLen;
} else {
const matches = dataBitsLen.toString(16).match(/(.*?)(.{0,8})$/);
if (matches === null) {
return;
}
const lo = parseInt(matches[2], 16);
const hi = parseInt(matches[1], 16) || 0;
buf32[14] = lo;
buf32[15] = hi;
}
Md5._md5cycle(this._state, buf32);
return raw ? this._state : Md5._hex(this._state);
}
}

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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.
*/
/** Indicates the origin of some retrieved data. */
export enum DataSrc {
/**
* Indicates data was probably retrieved locally from the device, although it may have been
* obtained through a content provider that may have obtained the data from a remote source.
*/
LOCAL,
/** Indicates data was retrieved from a remote source other than the device. */
REMOTE,
/** Indicates data was retrieved unmodified from the on device cache. */
DATA_DISK_CACHE,
/** Indicates data was retrieved from modified content in the on device cache. */
RESOURCE_DISK_CACHE,
/** Indicates data was retrieved from the in memory cache. */
MEMORY_CACHE,
}

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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{DataSrc} from "../diskstrategy/DataSrc"
import{EncodeStrategy} from "../diskstrategy/EncodeStrategy"
export interface DiskStrategy {
/**
* Returns true if this request should cache the original unmodified data.
*
* @param dataSource Indicates where the data was originally retrieved.
* @return boolean
*/
isDataCacheable(dataSource: DataSrc): boolean
/**
* Returns true if this request should cache the final transformed resource.
*
* @param isFromAlternateCacheKey {@code true} if the resource we've decoded was loaded using an
* alternative, rather than the primary, cache key.
* @param dataSource Indicates where the data used to decode the resource was originally
* retrieved.
* @param encodeStrategy The {@link EncodeStrategy} the {@link
* com.bumptech.glide.load.ResourceEncoder} will use to encode the resource.
* @return boolean
*/
isResourceCacheable(isFromAlternateCacheKey: boolean, dataSource: DataSrc, encodeStrategy: EncodeStrategy): boolean;
/** Returns true if this request should attempt to decode cached resource data.
* @return boolean
*/
decodeCachedResource(): boolean;
/** Returns true if this request should attempt to decode cached source data.
* @return boolean
*/
decodeCachedData(): boolean;
getName(): string;
}

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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.
*/
export enum EncodeStrategy {
/**
* Writes the original unmodified data for the resource to disk, not include downsampling or
* transformations.
*/
SOURCE,
/** Writes the decoded, downsampled and transformed data for the resource to disk. */
TRANSFORMED,
/** Will write no data. */
NONE,
}

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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{DiskStrategy} from '../../diskstrategy/DiskStrategy'
import{DataSrc} from '../../diskstrategy/DataSrc'
import{EncodeStrategy} from '../../diskstrategy/EncodeStrategy'
export class ALL implements DiskStrategy {
getName(): string{
return 'ALL';
}
isDataCacheable(dataSource: DataSrc): boolean {
return dataSource == DataSrc.REMOTE;
}
isResourceCacheable(
isFromAlternateCacheKey: boolean, dataSource: DataSrc, encodeStrategy: EncodeStrategy): boolean {
return ((isFromAlternateCacheKey && dataSource == DataSrc.DATA_DISK_CACHE)
|| dataSource == DataSrc.LOCAL)
&& encodeStrategy == EncodeStrategy.TRANSFORMED;
}
decodeCachedResource(): boolean {
return true;
}
decodeCachedData(): boolean{
return true;
}
}

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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{DiskStrategy} from '../../diskstrategy/DiskStrategy'
import{DataSrc} from '../../diskstrategy/DataSrc'
import{EncodeStrategy} from '../../diskstrategy/EncodeStrategy'
export class AUTOMATIC implements DiskStrategy {
getName(): string{
return 'AUTOMATIC';
}
isDataCacheable(dataSource: DataSrc): boolean {
return dataSource == DataSrc.REMOTE;
}
isResourceCacheable(
isFromAlternateCacheKey: boolean, dataSource: DataSrc, encodeStrategy: EncodeStrategy): boolean {
return ((isFromAlternateCacheKey && dataSource == DataSrc.DATA_DISK_CACHE)
|| dataSource == DataSrc.LOCAL)
&& encodeStrategy == EncodeStrategy.TRANSFORMED;
}
decodeCachedResource(): boolean {
return true;
}
decodeCachedData(): boolean{
return true;
}
}

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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{DiskStrategy} from '../../diskstrategy/DiskStrategy'
import{DataSrc} from '../../diskstrategy/DataSrc'
import{EncodeStrategy} from '../../diskstrategy/EncodeStrategy'
export class DATA implements DiskStrategy {
getName(): string{
return 'DATA';
}
isDataCacheable(dataSource: DataSrc): boolean {
return dataSource != DataSrc.DATA_DISK_CACHE && dataSource != DataSrc.MEMORY_CACHE;
}
isResourceCacheable(
isFromAlternateCacheKey: boolean, dataSource: DataSrc, encodeStrategy: EncodeStrategy): boolean {
return false;
}
decodeCachedResource(): boolean {
return false;
}
decodeCachedData(): boolean{
return true;
}
}

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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{DiskStrategy} from '../../diskstrategy/DiskStrategy'
import{DataSrc} from '../../diskstrategy/DataSrc'
import{EncodeStrategy} from '../../diskstrategy/EncodeStrategy'
export class NONE implements DiskStrategy {
getName(): string{
return 'NONE';
}
isDataCacheable(dataSource: DataSrc): boolean {
return false;
}
isResourceCacheable(
isFromAlternateCacheKey: boolean, dataSource: DataSrc, encodeStrategy: EncodeStrategy): boolean {
return false;
}
decodeCachedResource(): boolean {
return false;
}
decodeCachedData(): boolean{
return false;
}
}

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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{DiskStrategy} from '../../diskstrategy/DiskStrategy'
import{DataSrc} from '../../diskstrategy/DataSrc'
import{EncodeStrategy} from '../../diskstrategy/EncodeStrategy'
export class RESOURCE implements DiskStrategy {
getName(): string{
return 'RESOURCE';
}
isDataCacheable(dataSource: DataSrc): boolean {
return false;
}
isResourceCacheable(
isFromAlternateCacheKey: boolean, dataSource: DataSrc, encodeStrategy: EncodeStrategy): boolean {
return dataSource != DataSrc.RESOURCE_DISK_CACHE
&& dataSource != DataSrc.MEMORY_CACHE;
}
decodeCachedResource(): boolean {
return true;
}
decodeCachedData(): boolean{
return false;
}
}

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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 {Key} from "../key/Key"
import {RequestOption} from '../../glide/RequestOption.ets'
export class EngineKey implements Key {
private request: RequestOption;
constructor(
request
) {
this.request = request;
}
// 内存缓存 缓存生成规则:是否会影响图片内容，不影响则通用(strategy onlyRetrieveFromCache isCacheable)为通用项目
// 生成规则 加载数据原 各类参数(排除监听 排除 占位图 失败占位图)
generateCacheKey(): string{
let loadSrc = JSON.stringify(this.request.loadSrc);
let size = JSON.stringify(this.request.size);
let transformations;
for (let i = 0; i < this.request.transformtions.length; i++) {
if (i == 0) {
transformations = this.request.transformtions[i].getName() + ",";
} else if (i == this.request.transformtions.length - 1) {
transformations += this.request.transformtions[i].getName() + "";
} else {
transformations += this.request.transformtions[i].getName() + ",";
}
}
let dontAnimateFlag = JSON.stringify(this.request.dontAnimateFlag);
let key = "loadSrc=" + loadSrc + ";" +
"size=" + size + ";" +
"transformations=" + transformations + ";" +
"dontAnimateFlag=" + dontAnimateFlag + ";"
return key;
}
// 磁盘缓存 缓存生成规则:是否会影响图片内容，不影响则通用(strategy onlyRetrieveFromCache isCacheable)为通用项目
// 生成规则 加载数据原 各类参数(排除监听 排除 占位图 失败占位图)
generateResourceKey(): string{
let loadSrc = JSON.stringify(this.request.loadSrc);
let size = JSON.stringify(this.request.size);
let transformations;
for (let i = 0; i < this.request.transformtions.length; i++) {
if (i == this.request.transformtions.length - 1) {
transformations += this.request.transformtions[i].getName() + "";
} else {
transformations += this.request.transformtions[i].getName() + ",";
}
}
let dontAnimateFlag = JSON.stringify(this.request.dontAnimateFlag);
let key = "loadSrc=" + loadSrc + ";" +
"size=" + size + ";" +
"transformations=" + transformations + ";" +
"dontAnimateFlag=" + dontAnimateFlag + ";"
return key;
}
// 磁盘缓存
// 生成网络加载数据 原始数据存于磁盘的key
generateDataKey(): string{
let loadSrc = JSON.stringify(this.request.loadSrc);
let key = "loadSrc=" + loadSrc + ";"
return key;
}
updateDiskCacheKey(info: Object) {
}
}

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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 {EngineKey} from '../key/EngineKey'
export class EngineKeyFactories {
buildCacheKey(
request) {
return new EngineKey(
request).generateCacheKey();
}
buildDataKey(
request
) {
return new EngineKey(request).generateDataKey()
}
buildResourceKey(
request
) {
return new EngineKey(request).generateResourceKey()
}
}

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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.
*/
export interface Key {
/**
* Adds all uniquely identifying information to the given digest.
*
* <p>Note - Using {@link MessageDigest#reset()} inside of this method will result
* in undefined behavior.
* @param messageDigest
*/
updateDiskCacheKey(info: Object);
}

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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 {DiskLruCache} from "../cache/DiskLruCache"
import {LruCache} from "../cache/LruCache"
import {EngineKey} from "../cache/key/EngineKey"
import {EngineKeyFactories} from "../cache/key/EngineKeyFactories"
import {DiskStrategy} from "../cache/diskstrategy/DiskStrategy"
import {ResourceTypeEts} from "../glide/constants/ResourceTypeEts.ets"
import {RequestOption} from "../glide/RequestOption.ets"
import {AsyncCallback} from "../glide/interface/asynccallback.ets"
import {PlaceHolderManager} from "../glide/holder/PlaceHolderManager.ets"
import {ErrorHolderManager} from "../glide/holder/ErrorHolderManager.ets"
import {RequestManager} from "../glide/requestmanage/RequstManager.ets"
import {NONE} from "../cache/diskstrategy/enum/NONE"
import {FileTypeUtil} from '../glide/utils/FileTypeUtil.ets'
import {DownloadClient} from '../glide/networkmanage/DownloadClient.ets'
import {IDataFetch} from '../glide/networkmanage/IDataFetch.ets'
import {ParseResClient} from '../glide/resourcemanage/ParseResClient.ets'
import {IResourceFetch} from '../glide/resourcemanage/IResourceFetch.ets'
import {GlideData} from '../glide/GlideData.ets'
import {FileUtils} from '../cache/FileUtils.ets'
import {FileReader} from '../cache/FileReader.ets'
import {GlideOption} from '../glide/GlideOption.ets'
import image from "@ohos.multimedia.image"
import featureAbility from '@ohos.ability.featureAbility';
import {CompressBuilder} from "../glide/compress/CompressBuilder.ets"
export class Glide {
private memoryCache: LruCache<string, any>;
private diskMemoryCache: DiskLruCache;
private dataFetch: IDataFetch;
private resourceFetch: IResourceFetch;
private filesPath: string = ""; // data/data/包名/files目录
private placeholderCache: string = "placeholderCache"
private runningRequest: Array<RequestOption>;
private pendingRequest: Array<RequestOption>;
private fileTypeUtil: FileTypeUtil; // 通用文件格式辨别
private svgAndGifFolder: string = "svgAndGifFolder"; // svg和gif的文件路径地址
private svgAndGifCommitFile: string = "svgAndGifCommitFile" // svg和gif提交记录
private defaultListener:AsyncCallback<GlideData>; // 全局监听器
getMemoryCache(): LruCache<string, any>{
return this.memoryCache;
}
setMemoryCache(lrucache: LruCache<string, any>){
this.memoryCache = lrucache;
}
getDiskMemoryCache(): DiskLruCache{
return this.diskMemoryCache;
};
setDiskMemoryCache(diskLruCache: DiskLruCache) {
this.diskMemoryCache = diskLruCache;
};
getFileTypeUtil(): FileTypeUtil{
return this.fileTypeUtil;
}
getSvgAndGifFolder(): string{
return this.svgAndGifFolder;
}
setSvgAndGifFolder(folderPath: string){
this.svgAndGifFolder = folderPath;
}
getDefaultListener(){
return this.defaultListener;
}
setDefaultListener(newDefaultListener:AsyncCallback<GlideData>){
this.defaultListener = newDefaultListener;
}
private constructor() {
// 构造方法传入size 为保存文件个数
this.memoryCache = new LruCache<string, any>(100);
// 创建disk缓存 传入的size 为多少比特 比如20KB 传入20*1024
this.diskMemoryCache = new DiskLruCache(30 * 1024 * 1024);
// 创建网络下载能力
this.dataFetch = new DownloadClient();
// 创建本地数据解析能力
this.resourceFetch = new ParseResClient();
// 初始化本地 文件保存
featureAbility.getContext()
.getFilesDir()
.then((data) => {
this.filesPath = data
this.initSvgAndGifEnvironment();
})
.catch((error) => {
console.error('Glide Failed to obtain the filesPath directory. Cause:' + error.message);
})
this.runningRequest = new Array();
this.pendingRequest = new Array();
// 通用文件格式识别初始化
this.fileTypeUtil = new FileTypeUtil();
}
private initSvgAndGifEnvironment() {
let folderExist = FileUtils.getInstance().existFolder(this.filesPath + "/" + this.svgAndGifFolder)
let fileExist =
FileUtils.getInstance()
.exist(this.filesPath + "/" + this.svgAndGifFolder + "/" + this.svgAndGifCommitFile)
if (folderExist && fileExist) {
// 创建完成,需要删除上次使用的文件
var fileReader = new FileReader(this.filesPath + "/" + this.svgAndGifFolder + "/" + this.svgAndGifCommitFile)
var line: string = ''
while (!fileReader.isEnd()) {
line = fileReader.readLine()
line = line.replace('\n', "").replace('\r', "")
FileUtils.getInstance().deleteFile(this.filesPath + "/" + this.svgAndGifFolder + "/" + line)
}
FileUtils.getInstance().clearFile(this.filesPath + "/" + this.svgAndGifFolder + "/" + this.svgAndGifCommitFile)
} else {
if (!folderExist) {
FileUtils.getInstance().createFolder(this.filesPath + "/" + this.svgAndGifFolder);
}
if (!fileExist) {
FileUtils.getInstance().createFile(this.filesPath + "/" + this.svgAndGifFolder + "/" + this.svgAndGifCommitFile)
}
}
}
private static sInstance: Glide;
public static with(): Glide{
if (!this.sInstance) {
this.sInstance = new Glide();
}
return this.sInstance;
}
public compressBuilder(): CompressBuilder{
return new CompressBuilder();
}
// 替代原来的LruCache
public replaceLruCache(size:number){
if(this.memoryCache.map.size() <= 0) {
this.memoryCache = new LruCache<string, any>(size);
}else{
let newLruCache = new LruCache<string, any>(size);
this.memoryCache.foreachLruCache(function (value, key, map) {
newLruCache.put(key, value);
})
this.memoryCache = newLruCache;
}
}
public replaceDataFetch(fetch:IDataFetch){
this.dataFetch = fetch;
}
// 替代原来的DiskLruCache
public replaceDiskLruCache(size:number){
this.diskMemoryCache = new DiskLruCache(size);
if(this.diskMemoryCache.cacheMap.size() <= 0) {
this.diskMemoryCache = new DiskLruCache(size);
}else{
let newDiskLruCache = new DiskLruCache(size);
this.diskMemoryCache.foreachDiskLruCache(function (value, key, map) {
newDiskLruCache.putCacheData(key, value, null);
})
this.diskMemoryCache = newDiskLruCache;
}
}
// 预加载 resource资源一级缓存，string资源实现二级缓存
preload(request: RequestOption) {
// 每个request 公共信息补充
request.setFilesPath(this.filesPath);
// svg特殊处理
request._svgAndGifFolder = this.svgAndGifFolder;
request._svgAndGifCommitFile = this.svgAndGifCommitFile;
return this.parseSource(request);
}
// 正常加载
call(request: RequestOption) {
console.log("Glide call")
// 添加全局监听
if(this.defaultListener) {
request.addListener(this.defaultListener)
}
// 每个request 公共信息补充
request.setFilesPath(this.filesPath);
// svg特殊处理
request._svgAndGifFolder = this.svgAndGifFolder;
request._svgAndGifCommitFile = this.svgAndGifCommitFile;
// 首先执行占位图 解析任务
if (request.placeholderSrc) {
PlaceHolderManager.execute(request)
}
// 其次解析错误占位图
if (request.errorholderSrc) {
ErrorHolderManager.execute(request)
}
return this.parseSource(request);
}
loadResources(request: RequestOption) {
console.log("Glide loadResources")
let factories = new EngineKeyFactories();
// 生成内存缓存key 内存 变换后磁盘
let cacheKey = factories.buildCacheKey(request);
// 生成磁盘缓存变换后数据key 变换后数据保存在磁盘
let transfromKey = factories.buildResourceKey(request);
// 生成磁盘缓存源数据key 原始数据保存在磁盘
let dataKey = factories.buildDataKey(request);
request.generateCacheKey = cacheKey;
request.generateResourceKey = transfromKey;
request.generateDataKey = dataKey;
this.loadCacheManager(request);
}
// 删除执行结束的running
removeRunning(request: RequestOption) {
let index = -1;
for (let i = 0; i < this.runningRequest.length; i++) {
let tempRunning = this.runningRequest[i];
if (this.keyEqual(request, tempRunning)) {
// 如果key相同 说明目前有任务正在执行，我们记录下当前request 放入pendingRunning
index = i;
break;
}
}
if (index >= 0) {
let request = this.runningRequest.splice(index, 1)[0];
this.loadNextPennding(request);
}
}
keyEqualPendingToRun(index:number){
let nextPending = this.pendingRequest.splice(index, 1)[0];
this.runningRequest.push(nextPending)
RequestManager.execute((nextPending as RequestOption), this.memoryCache, this.diskMemoryCache, this.dataFetch, this.resourceFetch)
}
searchNextKeyToRun(){
// 其次则寻找pending中第一个和running不重复的key
let index2 = -1;
for (let i = 0; i < this.pendingRequest.length; i++) {
let temppending = this.pendingRequest[i];
let hasKeyEqual = false;
for (let j = 0; j < this.runningRequest.length; j++) {
let temprunning = this.runningRequest[j];
if (this.keyEqual(temppending, temprunning)) {
hasKeyEqual = true;
break;
}
}
if (!hasKeyEqual) {
index2 = i;
}
}
if (index2 >= 0) {
let nextPending = this.pendingRequest.splice(index2, 1)[0];
this.runningRequest.push(nextPending)
RequestManager.execute((nextPending as RequestOption), this.memoryCache, this.diskMemoryCache, this.dataFetch, this.resourceFetch)
} else {
// 不执行
}
}
// 加载下一个key的请求
loadNextPennding(request) {
// 首先寻找被移除key相同的request
let index = -1;
for (let i = 0; i < this.pendingRequest.length; i++) {
let temppending = this.pendingRequest[i];
if (this.keyEqual(request, temppending)) {
// 如果key相同 说明目前有任务正在执行，我们记录下当前request 放入pendingRunning
index = i;
break;
}
}
if (index >= 0) {
this.keyEqualPendingToRun(index);
} else {
this.searchNextKeyToRun();
}
}
// 启动新线程 去磁盘取 去网络取
loadCacheManager(request: RequestOption) {
console.log("Glide loadCacheManager")
if (this.keyNotEmpty(request)) {
let hasRunningRequest = false;
for (let i = 0; i < this.runningRequest.length; i++) {
let tempRunning = this.runningRequest[i];
if (this.keyEqual(request, tempRunning)) {
// 如果key相同 说明目前有任务正在执行，我们记录下当前request 放入pendingRunning
hasRunningRequest = true;
break;
}
}
if (hasRunningRequest) {
this.pendingRequest.push(request);
} else {
this.runningRequest.push(request);
// 不存在相同key的 任务可以并行
RequestManager.execute(request, this.memoryCache, this.diskMemoryCache, this.dataFetch, this.resourceFetch)
}
}
else {
console.log("key没有生成无法进入存取！")
}
}
private keyNotEmpty(request: RequestOption): boolean{
if (
request.generateCacheKey != null && request.generateCacheKey.length > 0 &&
request.generateDataKey != null && request.generateDataKey.length > 0 &&
request.generateResourceKey != null && request.generateResourceKey.length > 0
) {
return true;
}
return false;
}
private keyEqual(request1: RequestOption, request2: RequestOption): boolean{
if (
request1.generateCacheKey == request2.generateCacheKey &&
request1.generateResourceKey == request2.generateResourceKey &&
request1.generateDataKey == request2.generateDataKey
) {
return true;
}
return false;
}
parseSource(request: RequestOption) {
console.log("Glide parseSource")
console.log("Glide request ="+JSON.stringify(request))
if (request.loadSrc instanceof image.PixelMap) {
console.log("Glide parseSource PixelMap")
let glidedata = new GlideData();
glidedata.glideType = GlideData.PIXELMAP
glidedata.glideValue = request.loadSrc as PixelMap
request.loadComplete(glidedata);
} else
if (typeof request.loadSrc == 'string') {
// 进入三级缓存模型
console.log("Glide parseSource string")
return this.loadResources(request);
} else {
console.log("Glide parseSource Resource")
let res = request.loadSrc as Resource;
console.log("Glide parseSource res="+JSON.stringify(res))
if (typeof res.id != 'undefined' && typeof res.type != 'undefined') {
//进入三级缓存模型 本地资源不参与磁盘缓存
let none = new NONE();
request.diskCacheStrategy(none);
this.loadResources(request);
} else {
console.error("输入参数有问题！")
}
}
}
}

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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.
*/
export class GlideData {
static PIXELMAP = 'PixelMap'
static STRING = 'string'
static RESOURCE ='Resource'
static SVG = 'svg';
static GIF = 'gif';
static JPG = 'jpg';
static PNG = 'png';
static BMP = 'bmp';
static WEBP = 'webp';
glideType:string = '';
glideValue:PixelMap|string|Resource;
glideSourceType:string = ''
isSvg():boolean{
return GlideData.SVG == this.glideSourceType;
}
isGif():boolean{
return GlideData.GIF == this.glideSourceType;
}
isJpg():boolean{
return GlideData.JPG == this.glideSourceType;
}
isPng():boolean{
return GlideData.PNG == this.glideSourceType;
}
isBmp():boolean{
return GlideData.BMP == this.glideSourceType;
}
isWebp():boolean{
return GlideData.WEBP == this.glideSourceType;
}
isString():boolean{
return GlideData.STRING == this.glideType;
}
isPixelMap():boolean{
return GlideData.PIXELMAP == this.glideType;
}
isResource():boolean{
return GlideData.RESOURCE == this.glideType;
}
can2PixelMap(){ // 可以转换为PixelMap的数据源
return this.isPixelMap() || this.isBmp() || this.isJpg() || this.isWebp() || this.isPng();
}
}

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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 {GlideOption} from '../glide/GlideOption.ets'
import {RequestOption} from '../glide/RequestOption.ets'
import {GlideData} from '../glide/GlideData.ets'
import {PixelMapPack} from '../glide/PixelMapPack.ets'
import {Base64} from '../cache/Base64.ets'
import resourceManager from '@ohos.resourceManager';
import image from '@ohos.multimedia.image';
@Component
export struct GlideImage {
@Watch('watchGlideOption') @Link glideOption: GlideOption;
@State glidePixelMapPack: PixelMapPack = new PixelMapPack();
@State glideResource: Resource = $r('app.media.icon_loading')
@State glideString: string = ''
@State normalPixelMap: boolean = true;
@State normalResource: boolean = true;
previousData: GlideData = null;
nowData: GlideData = null;
@State percentVisible: Visibility = Visibility.Visible
@State retryVisible: Visibility = Visibility.Visible
@State imageVisible: Visibility = Visibility.Visible
@State percent: string = '0%'
@State percentWidth: string = '0%';
@State percentHeight: string = '0%';
@State retryWidth: string = '0%';
@State retryHeight: string = '0%';
@State imageWidth: string = '100%';
@State imageHeight: string = '100%';
hasRetry:boolean = false;
build() {
Stack() {
Text(this.percent)
.fontSize(this.glideOption.size ? Math.min(this.glideOption.size.height, this.glideOption.size.width) / 2 : 24)
.fontWeight(FontWeight.Bold)
.visibility(this.retryVisible)
.width(this.percentWidth)
.height(this.percentHeight)
Image($r('app.media.icon_retry'))
.onClick(()=>{
this.retryClick();
})
.visibility(this.retryVisible)
.width(this.retryWidth)
.height(this.retryHeight)
Image(this.normalPixelMap ? this.glidePixelMapPack.pixelMap : (this.normalResource ? this.glideResource : this.glideString))
.objectFit(this.glideOption.imageFit ? this.glideOption.imageFit : ImageFit.Fill)
.visibility(this.imageVisible)
.width(this.imageWidth)
.height(this.imageHeight)
}
.width(this.glideOption.size ? this.glideOption.size.width : '100%')
.height(this.glideOption.size ? this.glideOption.size.height : '100%')
.backgroundColor(this.glideOption.backgroundColor ? this.glideOption.backgroundColor : Color.White)
.margin(this.glideOption.margin ? this.glideOption.margin : { left: 0, top: 0, right: 0, bottom: 0 })
}
watchGlideOption() {
this.glideExecute();
}
retryClick(){
this.hasRetry = true;
this.glideExecute();
}
aboutToAppear() {
console.log('glideImage aboutToAppear happened!')
this.glideExecute();
}
configNecessary(request: RequestOption){
// 为了测试重试加载 串讲完成后删除
if(this.glideOption.loadSrc == 'https://hbimg.huabanimg.com/testRetryxxxx' && this.hasRetry){
request.load('https://hbimg.huabanimg.com/95a6d37a39aa0b70d48fa18dc7df8309e2e0e8e85571e-x4hhks_fw658/format/webp')
.addListener((err, data) => {
this.glideChangeSource(data)
this.animateTo('image');
return false;
})
}else {
request.load(this.glideOption.loadSrc)
.addListener((err, data) => {
this.glideChangeSource(data)
this.animateTo('image');
return false;
})
}
if (this.glideOption.size) {
request.setImageViewSize(this.glideOption.size)
}
}
configCacheStrategy(request: RequestOption){
if (this.glideOption.onlyRetrieveFromCache) {
request.retrieveDataFromCache(this.glideOption.onlyRetrieveFromCache)
}
if (this.glideOption.isCacheable) {
request.skipMemoryCache(!this.glideOption.isCacheable)
}
if (this.glideOption.strategy) {
request.diskCacheStrategy(this.glideOption.strategy)
}
if (this.glideOption.allCacheInfoCallback) {
request.addAllCacheInfoCallback(this.glideOption.allCacheInfoCallback)
}
}
configDisplay(request: RequestOption){
if(this.glideOption.animateDuration >= 0){
request.animateDuraction = this.glideOption.animateDuration;
}
if (this.glideOption.placeholderSrc) {
request.placeholder(this.glideOption.placeholderSrc, (data) => {
this.glideChangeSource(data)
this.animateTo('image');
})
}
if (this.glideOption.thumbSizeMultiplier) {
request.thumbnail(this.glideOption.thumbSizeMultiplier, (data) => {
this.glideChangeSource(data)
this.animateTo('image');
})
}
if (this.glideOption.errorholderSrc) {
request.errorholder(this.glideOption.errorholderSrc, (data) => {
this.glideChangeSource(data)
this.animateTo('image');
})
}
if (this.glideOption.transformtions) {
request.transforms(this.glideOption.transformtions)
}
if (this.glideOption.dontAnimateFlag) {
request.dontAnimate()
}
if (this.glideOption.displayProgress) {
request.addProgressListener((percentValue: string) => {
// 如果进度条百分比 未展示大小,展示其动画
this.percent = percentValue;
if(this.glideOption.displayProgressListener){
this.glideOption.displayProgressListener(percentValue);
}
this.animateTo('progress');
})
}
if(this.glideOption.retryLoad){
request.addRetryListener((error: any) => {
console.log("RetryListener callback!")
this.animateTo('retry');
})
}
}
// glide 第一次启动和数据刷新后重新发送请求
glideExecute() {
let request = new RequestOption();
this.configNecessary(request);
this.configCacheStrategy(request);
this.configDisplay(request);
let svgGif = Glide.getSvgAndGifFolder();
console.log("输出SVG和gif的缓存地址="+svgGif)
console.log("GlideImage Ready to 'call' method! Glide is null="+(Glide == null || Glide == undefined))
Glide.call(request);
}
glideChangeSource(data:GlideData) {
this.glideSpecialFixed(data);
}
displayPixelMap(data:GlideData){
this.normalPixelMap = true;
this.normalResource = true;
let pack = new PixelMapPack();
this.glidePixelMapPack = pack;
setTimeout(() => {
let pixelMapPack2 = new PixelMapPack();
pixelMapPack2.pixelMap = data.glideValue as PixelMap;
this.glidePixelMapPack = pixelMapPack2;
},100)
}
displayResource(data:GlideData){
this.normalPixelMap = false;
this.normalResource = true;
this.glideResource = data.glideValue as Resource;
}
displayString(data:GlideData){
this.normalPixelMap = false;
this.normalResource = false;
let firstIndex = (data.glideValue as string).indexOf(Glide.getSvgAndGifFolder());
let suffix = (data.glideValue as string).substring(firstIndex, (data.glideValue as string).length)
// let glideNeedStr = 'internal://app/' + suffix;
let glideNeedStr = 'file://' + data.glideValue;
this.glideString = glideNeedStr;
}
glideSpecialFixed(data:GlideData) {
if (data.isPixelMap()) {
this.displayPixelMap(data);
}
else if (data.isString()) {
this.displayString(data);
} else if (data.isResource()) {
this.displayResource(data);
} else {
}
}
animateTo(name: string) {
if (name == 'progress') {
this.percentVisible = Visibility.Visible;
this.imageVisible = Visibility.Hidden;
this.retryVisible = Visibility.Hidden;
if (this.percentWidth == '0%' || this.percentHeight == '0%') {
animateTo({ duration: this.glideOption.animateDuration , curve: Curve.Linear }, () => {
this.percentWidth = '100%';
this.percentHeight = '100%';
this.imageWidth = '0%';
this.imageHeight = '0%';
this.retryWidth = '0%';
this.retryHeight = '0%';
})
}
} else if (name == 'image') {
this.imageVisible = Visibility.Visible;
this.percentVisible = Visibility.Hidden;
this.retryVisible = Visibility.Hidden;
if (this.imageWidth == '0%' || this.imageHeight == '0%') {
animateTo({ duration: this.glideOption.animateDuration, curve: Curve.Linear }, () => {
this.imageWidth = '100%';
this.imageHeight = '100%';
this.percentWidth = '0%';
this.percentHeight = '0%';
this.retryWidth = '0%';
this.retryHeight = '0%';
})
}
} else if (name == 'retry') {
this.retryVisible = Visibility.Visible;
this.imageVisible = Visibility.Hidden;
this.percentVisible = Visibility.Hidden;
if (this.retryWidth == '0%' || this.retryHeight == '0%') {
animateTo({ duration: this.glideOption.animateDuration, curve: Curve.Linear }, () => {
this.imageWidth = '0%';
this.imageHeight = '0%';
this.percentWidth = '0%';
this.percentHeight = '0%';
this.retryWidth = '100%';
this.retryHeight = '100%';
})
}
}
}
aboutToDisappear() {
}
onPageShow() {
}
onPageHide() {
}
onBackPress() {
}
}
var Glide;
var defaultTemp = globalThis.exports.default
if (defaultTemp != undefined) {
Glide = defaultTemp.data.glide;
}

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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 {AUTOMATIC} from "../cache/diskstrategy/enum/AUTOMATIC.ets"
import {DiskStrategy} from "../cache/diskstrategy/DiskStrategy.ets"
import {BaseTransform} from "../glide/transform/BaseTransform.ets"
import {AllCacheInfo, IAllCacheInfoCallback} from "../glide/interface/iallcacheinfocallback.ets"
export class GlideOption {
// 主图资源
loadSrc: string | PixelMap | Resource;
// 磁盘缓存策略
strategy?: DiskStrategy = new AUTOMATIC();
// gif加载展示一帧
dontAnimateFlag? = false;
// 占位图
placeholderSrc?: PixelMap | Resource;
// 失败占位图
errorholderSrc?: PixelMap | Resource;
// 缩略图,范围(0,1)
thumbSizeMultiplier?: number;
// 进度条
displayProgress?: boolean;
// 进度条回调
displayProgressListener?;
// 重试图层
retryLoad?: boolean;
// 动画时长
animateDuration?: number = 500;
// 仅使用缓存加载数据
onlyRetrieveFromCache?: boolean = false;
// 是否开启第一级内存缓存
isCacheable?: boolean = true;
// 变换相关
transformtions?: Array<BaseTransform<PixelMap>> = new Array();
// 输出缓存相关内容和信息
allCacheInfoCallback?: IAllCacheInfoCallback;
size: {
width: number,
height: number
};
imageFit?: ImageFit;
backgroundColor?: Color | number | string | Resource;
margin?: {
top?: number | string | Resource,
right?: number | string | Resource,
bottom?: number | string | Resource,
left?: number | string | Resource
} | number | string | Resource
constructor() {
}
}

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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.
*/
export class PixelMapPack {
pixelMap:PixelMap
}

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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 {DiskStrategy} from "../cache/diskstrategy/DiskStrategy"
import {AsyncCallback} from "../glide/interface/asynccallback.ets"
import {AsyncSuccess} from "../glide/interface/AsyncSuccess.ets"
import {AllCacheInfo, IAllCacheInfoCallback} from "../glide/interface/iallcacheinfocallback.ets"
import {AUTOMATIC} from "../cache/diskstrategy/enum/AUTOMATIC"
import {BaseTransform} from "../glide/transform/BaseTransform.ets"
import {RotateImageTransformation} from "../glide/transform/RotateImageTransformation.ets"
import {GlideData} from "../glide/GlideData.ets"
import fileio from '@ohos.fileio';
import image from '@ohos.multimedia.image';
import {CenterCrop} from '../glide/transform/pixelmap/CenterCrop.ets'
import {CenterInside} from '../glide/transform/pixelmap/CenterInside.ets'
import {FitCenter} from '../glide/transform/pixelmap/FitCenter.ets'
export class RequestOption {
loadSrc: string | PixelMap | Resource;
strategy: DiskStrategy = new AUTOMATIC();
dontAnimateFlag = false;
placeholderSrc: PixelMap | Resource;
placeholderFunc: AsyncSuccess<GlideData>;
errorholderSrc: PixelMap | Resource;
errorholderFunc: AsyncSuccess<GlideData>;
errorholderData: GlideData;
thumbSizeMultiplier: number;
// 如果存在缩略图，则主图延时3000ms加载
thumbDelayTime: number = 3000
thumbholderFunc: AsyncSuccess<GlideData>;
requestListeners: Array<AsyncCallback<GlideData>>;
// 进度条
progressFunc: AsyncSuccess<string>;
// 重试图层
retryFunc: AsyncSuccess<GlideData>
// 图层切换时长
animateDuraction: number = 500;
size: {
width: number,
height: number
} = { width: -1, height: -1 };
// 网络下载数据回调
allCacheInfoCallback: IAllCacheInfoCallback;
onlyRetrieveFromCache: boolean = false;
isCacheable: boolean = true;
// 变换相关
transformtions: Array<BaseTransform<PixelMap>> = new Array();
generateCacheKey: string = "";
generateResourceKey: string = "";
generateDataKey: string = "";
private filesPath: string = ""; // data/data/包名/files目录
private cachesPath: string = ""; // 网络下载默认存储在data/data/包名/cache/GlideNetworkFolder/目标md5.img下面
// 下载原始文件地址
downloadFilePath: string = "";
// 网络文件下载统一存放
networkCacheFolder: string = "GlideNetworkFolder"
// 主线图片 状态变化 是否加载完成
// 主图未加载成功 显示占位图 主图加载成功不展示占位图
loadMainReady = false;
// 失败占位图展示状态 当true 表示主图加载失败需要展示失败占位图
loadErrorReady = false
// 缩略图展示
loadThumbnailReady = false;
_svgAndGifFolder: string = "svgAndGifFolder"; // svg和gif的文件路径地址
_svgAndGifCommitFile: string = "svgAndGifCommitFile"; // svg和gif提交记录
constructor() {
// 初始化全局监听
this.requestListeners = new Array();
}
/**
* set image Component size
*/
setImageViewSize(imageSize: {
width: number,
height: number
}) {
this.size.width = imageSize.width;
this.size.height = imageSize.height;
return this;
}
getFilesPath() {
return this.filesPath;
}
setFilesPath(path: string) {
this.filesPath = path;
}
getCachesPath() {
return this.cachesPath;
}
setCachesPath(path: string) {
this.cachesPath = path;
}
load(src: string | PixelMap | Resource) {
this.loadSrc = src;
return this;
}
diskCacheStrategy(strategy: DiskStrategy) {
this.strategy = strategy;
return this;
}
dontAnimate() {
this.dontAnimateFlag = true;
return this;
}
// 仅支持 本地图片
placeholder(src: PixelMap | Resource, func?: AsyncSuccess<GlideData>) {
this.placeholderSrc = src;
this.placeholderFunc = func;
return this;
}
errorholder(src: PixelMap | Resource, func?: AsyncSuccess<GlideData>) {
this.errorholderSrc = src;
this.errorholderFunc = func;
return this;
}
thumbnail(sizeMultiplier: number, func?: AsyncSuccess<GlideData>) {
this.thumbSizeMultiplier = sizeMultiplier;
this.thumbholderFunc = func;
return this;
}
addProgressListener(func?: AsyncSuccess<string>) {
this.progressFunc = func;
return this;
}
addRetryListener(func?: AsyncSuccess<any>) {
this.retryFunc = func;
return this;
}
addListener(func: AsyncCallback<GlideData>) {
this.requestListeners.push(func);
return this;
}
addAllCacheInfoCallback(func: IAllCacheInfoCallback) {
this.allCacheInfoCallback = func;
return this;
}
skipMemoryCache(skip: boolean) {
this.isCacheable = !skip;
return this;
}
retrieveDataFromCache(flag: boolean) {
this.onlyRetrieveFromCache = flag;
}
rotateImage(degreesToRotate: number) {
let rotateImage = new RotateImageTransformation(degreesToRotate);
this.transformtions.push(rotateImage);
return this;
}
centerCrop() {
this.transformtions.push(new CenterCrop());
return this;
}
centerInside() {
this.transformtions.push(new CenterInside());
return this;
}
fitCenter() {
this.transformtions.push(new FitCenter());
return this;
}
transform(transform: BaseTransform<PixelMap>) {
this.transformtions.push(transform);
return this;
}
transforms(transforms: BaseTransform<PixelMap>[]) {
this.transformtions = transforms;
return this;
}
// 占位图解析成功
placeholderOnComplete(glidedata: GlideData) {
console.log("placeholderOnComplete has called!");
console.log("Main Image is Ready:" + this.loadMainReady);
if (!this.loadMainReady && !this.loadErrorReady && !this.loadThumbnailReady) {
// 主图未加载成功,并且未加载失败 显示占位图 主图加载成功或者加载失败后=>不展示占位图
this.placeholderFunc(glidedata)
}
}
// 占位图解析失败
placeholderOnError(error) {
console.log("占位图解析失败 error =" + error)
}
// 缩略图解析成功
thumbholderOnComplete(glidedata: GlideData) {
if (!this.loadMainReady && !this.loadErrorReady) {
//主图未加载成功,并且未加载失败 显示占位图 主图加载成功或者加载失败后=>不展示占位图
this.thumbholderFunc(glidedata)
}
}
// 缩略图解析失败
thumbholderOnError(error) {
console.log("缩略图解析失败 error =" + error)
}
// 加载失败 占位图解析成功
errorholderOnComplete(glidedata: GlideData) {
// 如果有错误占位图 先解析并保存在RequestOption中 等到加载失败时候进行调用
this.errorholderData = glidedata;
if (this.loadErrorReady) {
this.errorholderFunc(glidedata)
}
}
//加载失败 占位图解析失败
errorholderOnError(error) {
console.log("失败占位图解析失败 error =" + error)
}
loadComplete(glidedata: GlideData) {
this.loadMainReady = true;
// 三级缓存数据加载成功
for (let requestListener of this.requestListeners) {
var ret = requestListener("", glidedata);
if (ret) {
break;
}
}
// 加载成功之后
Glide.removeRunning(this);
}
loadError(err) {
console.log("loadError:"+err);
//失败占位图展示规则
this.loadErrorReady = true;
if (this.retryFunc) {
// 重试图层优先于加载失败展示
this.retryFunc(err)
} else {
if (this.errorholderData != null) {
this.errorholderFunc(this.errorholderData)
}
}
// 加载失败之后
Glide.removeRunning(this);
}
}
var Glide;
var defaultTemp = globalThis.exports.default
if (defaultTemp != undefined) {
Glide = defaultTemp.data.glide;
}

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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 {OnRenameListener} from '../compress/listener/OnRenameListener.ets'
import {OnCompressListener} from '../compress/listener/OnCompressListener.ets'
import {CompressionPredicate} from '../compress/listener/CompressionPredicate.ets'
import fileio from '@ohos.fileio';
import {CompressAdapter} from '../compress/provider/CompressAdapter.ets'
import {DataStringPathProvider} from '../compress/provider/DataStringPathProvider.ets'
import {RecourseProvider} from '../compress/provider/RecourseProvider.ets'
import featureability from '@ohos.ability.featureAbility'
import {Engine} from '../compress/Engine.ets'
export class CompressBuilder {
private _mTargetDir: string;
private _mLeastCompressSize: number= 100; //KB
private _mRenameListener: OnRenameListener;
private _mCompressListener: OnCompressListener;
private _mCompressionPredicate: CompressionPredicate
private _mStreamProviders: Array<CompressAdapter>;
private _mFocusAlpha: boolean;
private _outFilePath: string;
constructor() {
this._mStreamProviders = new Array();
}
public setRenameListener(listener: OnRenameListener): CompressBuilder {
this._mRenameListener = listener;
return this;
}
public setCompressListener(listener: OnCompressListener): CompressBuilder {
this._mCompressListener = listener;
return this;
}
public filter(compressionPredicate: CompressionPredicate): CompressBuilder {
this._mCompressionPredicate = compressionPredicate;
return this;
}
public setTargetDir(targetDir: string): CompressBuilder {
this._mTargetDir = targetDir;
if (this._mTargetDir) {
var timestamp = (new Date()).valueOf();
this._outFilePath = this._mTargetDir + "/" + timestamp + (Math.random() * 100).toFixed(0) + ".jpg";
}
return this;
}
public load(list: Array<string | Resource>): CompressBuilder {
for (var i = 0; i < list.length; i++) {
let element = list[i];
if (typeof element === "string") {
this.loadString(element);
} else {
this.loadRecourse(element)
}
}
return this;
}
/**
* load string file path;
*/
private loadString(path: string) {
this._mStreamProviders.push(new DataStringPathProvider(path));
}
/**
* load resource;
*/
private loadRecourse(data: Resource) {
this._mStreamProviders.push(new RecourseProvider(data));
}
public setFocusAlpha(focusAlpha: boolean): CompressBuilder {
this._mFocusAlpha = focusAlpha;
return this;
}
public ignoreBy(size: number): CompressBuilder {
this._mLeastCompressSize = size;
return this;
}
public launch() {
if (!this._mTargetDir) {
this.getImageCacheFile();
} else {
this.startCompress();
}
}
public async get():Promise<string> {
if (!this._mTargetDir) {
let path = await featureability.getContext().getFilesDir();
var timestamp = (new Date()).valueOf();
this._outFilePath = path + "/compress/" + timestamp + (Math.random() * 100).toFixed(0) + ".jpg";
let result =await this.startAsyncCompress();
return result;
} else {
let result =await this.startAsyncCompress();
return result;
}
}
private async startAsyncCompress():Promise<string> {
let compressPromise = new Promise((resolve, reject) => {
let compressListener: OnCompressListener = {
start() {
},
onScuccess(p: PixelMap, path: string) {
resolve(path);
},
onError(s: string) {
}
}
compressListener.start();
if (this._mStreamProviders == null || this._mStreamProviders.length == 0) {
compressListener.onError("this compress path is empty");
return;
}
for (var i = 0; i < this._mStreamProviders.length; i++) {
let element = this._mStreamProviders[i];
let isOpenfilter = false;
if (this._mCompressionPredicate) {
isOpenfilter = this._mCompressionPredicate.apply(element.getRecoursePath());
}
if (!isOpenfilter) {
new Engine(element, this._outFilePath, this._mFocusAlpha, this._mLeastCompressSize,
compressListener, this._mCompressionPredicate).compress();
} else {
resolve(element.getRecoursePath());
}
}
})
let result = await compressPromise
return (result as string)
}
/**
* start compress
*/
private startCompress() {
if (this._mStreamProviders == null || this._mStreamProviders.length == 0) {
if (this._mCompressListener) {
this._mCompressListener.onError("this compress path is empty");
}
return;
}
if (this._mRenameListener) {
var name = this._mRenameListener.reName();
if (this._outFilePath && name) {
var start = this._outFilePath.lastIndexOf("/") + 1
var end = this._outFilePath.length;
var replaceStr = this._outFilePath.substring(start, end);
this._outFilePath = this._outFilePath.replace(replaceStr, name);
}
}
if (this._mCompressListener) {
this._mCompressListener.start();
}
for (var i = 0; i < this._mStreamProviders.length; i++) {
let element = this._mStreamProviders[i];
let isOpenfilter = false;
if (this._mCompressionPredicate) {
isOpenfilter = this._mCompressionPredicate.apply(element.getRecoursePath());
}
if (!isOpenfilter) {
new Engine(element, this._outFilePath, this._mFocusAlpha, this._mLeastCompressSize,
this._mCompressListener, this._mCompressionPredicate).compress();
} else {
if (this._mCompressListener) {
this._mCompressListener.onScuccess(null, element.getRecoursePath());
}
}
}
}
private getImageCacheFile() {
featureability.getContext()
.getFilesDir()
.then(path => {
var timestamp = (new Date()).valueOf();
this._outFilePath = path + "/compress/" + timestamp + (Math.random() * 100).toFixed(0) + ".jpg";
this.startCompress();
})
.catch(error => {
throw new Error("getImageCacheFile happened error:" + JSON.stringify(error));
})
}
}

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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 {OnCompressListener} from '../compress/listener/OnCompressListener.ets'
import {CompressionPredicate} from '../compress/listener/CompressionPredicate.ets'
import {CompressAdapter} from "../compress/provider/CompressAdapter.ets"
import {DataStringPathProvider} from '../compress/provider/DataStringPathProvider.ets'
import {RecourseProvider} from '../compress/provider/RecourseProvider.ets'
import {FileUtils} from '../../cache/FileUtils'
import image from "@ohos.multimedia.image"
import fileio from '@ohos.fileio';
export class Engine {
private mFocusAlpha: boolean;
private mCompressListener: OnCompressListener
private mPredicate: CompressionPredicate
private mCompressAdapter: CompressAdapter
private mPath: string
private _mLeastCompressSize: number; //KB
constructor(compressAdapter: CompressAdapter,
outPath: string,
focusAlpha: boolean,
leastSize: number,
compressListener: OnCompressListener,
predicate: CompressionPredicate) {
this.mCompressAdapter = compressAdapter;
this.mPath = outPath;
this.mFocusAlpha = focusAlpha;
this.mCompressListener = compressListener;
this.mPredicate = predicate;
this._mLeastCompressSize = leastSize;
}
private computeSize(srcWidth: number, srcHeight: number): number {
srcWidth = srcWidth % 2 == 1 ? srcWidth + 1 : srcWidth;
srcHeight = srcHeight % 2 == 1 ? srcHeight + 1 : srcHeight;
var longSide = Math.max(srcWidth, srcHeight);
var shortSide = Math.min(srcWidth, srcHeight);
var scale = shortSide / longSide;
if (scale <= 1 && scale > 0.5625) {
if (longSide < 1664) {
return 1;
} else if (longSide < 4990) {
return 2;
} else if (longSide > 4990 && longSide < 10240) {
return 4;
} else {
return longSide / 1280 == 0 ? 1 : longSide / 1280;
}
} else if (scale <= 0.5625 && scale > 0.5) {
return longSide / 1280 == 0 ? 1 : longSide / 1280;
} else {
return Math.ceil(longSide / (1280.0 / scale));
}
}
compress() {
console.info("asasd compress()")
if (this.mCompressAdapter instanceof DataStringPathProvider) {
// file
this.mCompressAdapter.openInternal((buffer) => {
if (!buffer) {
if (this.mCompressListener) {
this.mCompressListener.onError("file read fail,and date is empty")
}
return;
}
if (!this.checkNeedCompress(buffer)) {
return;
}
var imageResource = image.createImageSource(buffer);
imageResource.getImageInfo()
.then(info => {
var height = info.size.height;
var width = info.size.width;
var computeSize = this.computeSize(width, height);
console.info("asasd compress computeSize:" + computeSize);
let options = {
editable: true,
sampleSize: computeSize,
desiredPixelFormat: image.PixelMapFormat.RGB_565,
}
imageResource.createPixelMap(options)
.then(bitmap => {
})
.catch(error => {
this.mCompressListener.onError("ptah createPixelMap fail,because error:" + JSON.stringify(error))
})
})
.catch(error => {
this.mCompressListener.onError("ptah getImageInfo fail,because error:" + JSON.stringify(error))
})
})
} else if (this.mCompressAdapter instanceof RecourseProvider) {
// resource
this.mCompressAdapter.openInternal((buffer) => {
if (!buffer) {
if (this.mCompressListener) {
this.mCompressListener.onError("resource read fail,and date is empty")
}
return;
}
if (!this.checkNeedCompress(buffer)) {
return;
}
var imageResource = image.createImageSource(buffer);
imageResource.getImageInfo()
.then(info => {
var height = info.size.height;
var width = info.size.width;
var computeSize = this.computeSize(width, height);
let packer = {
format: ["image/jpeg"],
quality: computeSize,
}
var imagePacker = image.createImagePacker();
imagePacker.packing(imageResource, packer, (err,compressBuffer)=>{
if(err){
this.mCompressListener.onError("resource packing fail,because error:" + err);
}
console.log("compressBuffer is null ="+ (compressBuffer==null));
console.log("compressBuffer is undefined ="+ (compressBuffer == undefined) );
let dirPath = this.mPath.substring(0, this.mPath.lastIndexOf("/") + 1);
var isDirectory = this.checkDirExist(dirPath);
if (isDirectory) {
this.saveFile(this.mPath, compressBuffer);
this.handResult(compressBuffer, this.mPath);
} else {
fileio.mkdir(dirPath)
.then(() => {
this.saveFile(this.mPath, compressBuffer);
this.handResult(compressBuffer, this.mPath);
});
}
})
})
})
}
}
private handResult(buffer: ArrayBuffer, path: string) {
var imageRes = image.createImageSource(buffer);
let a={
editable: true,
}
imageRes.createPixelMap(a)
.then(bitmap => {
if (this.mCompressListener) {
this.mCompressListener.onScuccess(bitmap, path);
}
})
.catch(error => {
if (this.mCompressListener) {
this.mCompressListener.onError("buffer generated pixelMap fail,because error:" + JSON.stringify(error))
}
})
}
private checkNeedCompress(buf: ArrayBuffer): boolean{
if (!buf) {
return false;
}
var length = buf.byteLength / 1024;
return length > this._mLeastCompressSize;
}
private saveFile(path: string, content: ArrayBuffer) {
FileUtils.getInstance().writeFile(path,content);
}
private checkDirExist(dirPath: string): boolean{
var isExist;
try {
fileio.accessSync(dirPath, 0)
isExist = true;
} catch (e) {
//不符合条件则进入
isExist = false;
}
return isExist;
}
}

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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.
*/
export interface CompressDataListener<T> {
(t: T);
}

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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.
*/
/**
* filter out unsupported
*/
export interface CompressionPredicate {
apply(path: string): boolean;
}

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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.
*/
/**
* compress listener
*/
export interface OnCompressListener {
/**
* compress start
*/
start();
/**
* compress success
*/
onScuccess(p: PixelMap, path: string);
/**
* compress fail
*/
onError(s: string);
}

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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.
*/
/**
* rename listener
*/
export interface OnRenameListener {
reName():string;
}

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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 {CompressProvider} from "../provider/CompressProvider.ets"
import {CompressDataListener} from "../listener/CompressDataListener.ets"
export abstract class CompressAdapter implements CompressProvider {
mData: ArrayBuffer;
mPath: string;
close() {
}
openData(): ArrayBuffer{
return this.mData;
}
getPath(): string{
return this.mPath;
};
abstract openInternal(callback: CompressDataListener<ArrayBuffer>);
abstract getRecoursePath(): string;
abstract getPixelMapFormat(): PixelMapFormat;
getFormat(s: string): PixelMapFormat{
if (!s) {
return undefined;
}
if (s == "jpg" || s == "JPG") {
return PixelMapFormat.JPG;
} else if (s == "png" || s == "PNG") {
return PixelMapFormat.PNG;
} else if (s == "jpeg" || s == "JPEG") {
return PixelMapFormat.JPEG;
} else if (s == "gif" || s == "GIF") {
return PixelMapFormat.GIF;
} else if (s == "webp" || s == "WEBP" || s == "WebP") {
return PixelMapFormat.WEBP;
} else if (s == "bmg" || s == "BMG") {
return PixelMapFormat.BMG;
} else {
return PixelMapFormat.NONE;
}
}
}
export enum PixelMapFormat {
JPG,
PNG,
JPEG,
WEBP,
BMG,
GIF,
NONE
}

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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.
*/
export interface CompressProvider {
close();
openData():ArrayBuffer;
getPath(): string;
}

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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 {CompressAdapter, PixelMapFormat} from '../provider/CompressAdapter.ets'
import {CompressDataListener} from '../listener/CompressDataListener.ets'
import {FileUtils} from '../../../cache/FileUtils.ets'
export class DataStringPathProvider extends CompressAdapter {
constructor(s: string) {
super()
this.mPath = s;
}
getRecoursePath(): string{
return this.mPath;
}
openInternal(callback: CompressDataListener<ArrayBuffer>) {
if (!this.mPath) {
throw new Error('DataStringPathProvider error path is empty');
}
var buffer = FileUtils.getInstance().readFilePic(this.mPath);
this.mData = buffer;
if (callback) {
callback(buffer);
}
}
getPixelMapFormat(): PixelMapFormat{
if (!this.mPath) {
return PixelMapFormat.NONE;
}
let lastIndex = this.mPath.lastIndexOf('/')
let s = this.mPath.substring(lastIndex + 1, this.mPath.length);
return this.getFormat(s);
}
}

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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 {CompressAdapter, PixelMapFormat} from "../provider/CompressAdapter.ets"
import resmgr from '@ohos.resourceManager'
import {CompressDataListener} from "../listener/CompressDataListener.ets"
import {FileTypeUtil} from '../../../glide/utils/FileTypeUtil.ets'
export class RecourseProvider extends CompressAdapter {
private static CHARS: string = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
private static DEFAULT_RESOURCE_PATH: string= "Resource"
private _mLookup: Uint8Array = new Uint8Array(256);
private _mResourceData: Resource;
private _mPixelMapHeader: string;
constructor(s: Resource) {
super()
this._mResourceData = s;
this.mPath = RecourseProvider.DEFAULT_RESOURCE_PATH;
for (var index = 0; index < RecourseProvider.CHARS.length; index++) {
this._mLookup[RecourseProvider.CHARS.charCodeAt(index)] = index;
}
}
getRecoursePath(): string{
return this.mPath;
}
openInternal(callback: CompressDataListener<ArrayBuffer>) {
console.info("asasd compress openInternal _mData");
if (!this._mResourceData) {
throw Error("compress resource is empty");
}
resmgr.getResourceManager()
.then(result => {
result.getMedia(this._mResourceData
.id)
.then(data => {
let buffer = this.uint8ArrayToBuffer(data);
let fileTypeUtil = new FileTypeUtil()
this._mPixelMapHeader = fileTypeUtil.getFileType(buffer);
callback(buffer);
})
.catch(err => {
console.log("RecourseProvider openInternal err" + JSON.stringify(err));
})
})
}
getPixelMapFormat(): PixelMapFormat{
if (!this._mPixelMapHeader) {
return PixelMapFormat.NONE;
}
return this.getFormat(this._mPixelMapHeader);
}
/**
* data decode
*/
decode(base64: string, callback: CompressDataListener<ArrayBuffer>) {
let bufferLength = base64.length,
len = base64.length,
i,
p = 0,
encoded1,
encoded2,
encoded3,
encoded4;
if (base64[base64.length - 1] === '=') {
bufferLength--;
if (base64[base64.length - 2] === '=') {
bufferLength--;
}
}
const arraybuffer = new ArrayBuffer(bufferLength),
bytes = new Uint8Array(arraybuffer);
for (i = 0; i < len; i += 4) {
encoded1 = this._mLookup[base64.charCodeAt(i)];
encoded2 = this._mLookup[base64.charCodeAt(i + 1)];
encoded3 = this._mLookup[base64.charCodeAt(i + 2)];
encoded4 = this._mLookup[base64.charCodeAt(i + 3)];
bytes[p++] = (encoded1 << 2) | (encoded2 >> 4);
bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2);
bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63);
}
this.mData = arraybuffer;
if (callback) {
callback(arraybuffer);
}
}
uint8ArrayToBuffer(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.
*/
export class Constants {
public static PROJECT_TAG: string= "Glide_js"
}

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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.
*/
export enum ResourceTypeEts {
COLOR = 10001,
FLOAT,
STRING,
PLURAL,
BOOLEAN,
INTARRAY,
INTEGER,
PATTERN,
STRARRAY,
MEDIA = 20000,
RAWFILE = 30000
}

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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 {AsyncTransform} from "../transform/AsyncTransform.ets"
import image from "@ohos.multimedia.image"
import {TransformUtils} from "../transform/TransformUtils.ets"
export namespace Crop {
export function crop(buf: ArrayBuffer, x: number, y: number, cropWidth: number, cropHeight: number, func?: AsyncTransform<PixelMap>, colorRatio?: number) {
if (!buf || buf.byteLength <= 0) {
console.log("Crop buf is empty");
if (func) {
func("Crop buf is empty", null);
}
return;
}
var imageSource = image.createImageSource(buf);
TransformUtils.getPixelMapSize(imageSource, (error, size: {
width: number,
height: number
}) => {
if (!size) {
func(error, null)
return;
}
var pixelMapWidth = size.width;
var pixelMapHeight = size.height;
if (x < 0 || x > pixelMapWidth) {
func("Crop error x must be less than pixelMapWidth ", null)
return;
}
if (y < 0 || y > pixelMapHeight) {
func("Crop error x must be less than pixelMapHeight ", null)
return;
}
var options = {
editable: true,
rotate: 0,
desiredSize: {
width: pixelMapWidth,
height: pixelMapHeight
},
desiredRegion: { size: { width: cropWidth, height: cropHeight },
x: x,
y: y,
},
}
imageSource.createPixelMap(options)
.then((data) => {
if (colorRatio && colorRatio <= 1) {
colorRatioPixelMap(data, pixelMapWidth, pixelMapHeight, colorRatio, func);
} else {
func("", data);
}
})
.catch((e) => {
func(e, null);
})
})
}
async function colorRatioPixelMap(data: any, width: number, height: number, colorRatio: number, func?: AsyncTransform<PixelMap>) {
if (!data) {
func("colorRatio pixelMap is null", null);
return;
}
if (colorRatio > 1) {
throw new Error("the colorRatio must be <= 1");
}
var buffer = new ArrayBuffer(width * height * 5);
var bytes = new Uint8Array(buffer);
var buffer1B = new ArrayBuffer(width * height * 5);
var bytes1B = new Uint8Array(buffer1B);
let readPromise = data.readPixelsToBuffer(buffer)
await readPromise;
for (let i = 0;i < bytes.length; i++) {
bytes1B[i] = bytes[i] * colorRatio;
}
let writePromise = data.writeBufferToPixels(buffer1B)
await writePromise;
func("", data);
}
}

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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 {CropOptions} from "../crop/CropOptions.ets";
@Component
export struct CropImage {
@Link _mOptions: CropOptions;
@State _rotate: number= 0;
@State _scale: number= 1;
build() {
Stack() {
Image(this._mOptions.src)
.width(this._mOptions.size.width)
.height(this._mOptions.size.height)
.objectFit(ImageFit.None)
.rotate({
z: 1,
centerX: this._mOptions.size.width / 2,
centerY: this._mOptions.size.height / 2,
angle: this._rotate
})
.scale({ x: this._scale, y: this._scale, z: 1.0 })
.gesture(GestureGroup(GestureMode.Parallel,
RotationGesture({ fingers: 1 }).onActionUpdate(event => {
this._rotate = event.angle;
}), PinchGesture({ fingers: 2 }).onActionUpdate(event => {
this._scale = event.scale;
})
).onCancel(() => {
console.log("CropImage gesture cancel");
})
)
}.width(this._mOptions.size.width).height(this._mOptions.size.height);
}
}

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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.
*/
export class CropOptions {
src: string | PixelMap | Resource;
size: {
width: number,
height: number;
}
}

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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.
*/
export class ArcPoint {
private x: number;
private y: number;
constructor(x: number, y: number) {
this.y = y;
this.x = x;
}
getX(): number{
return this.x;
}
getY(): number{
return this.y
}
}

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export class PixelEntry {
a: number;
b: number;
r: number;
g: number;
f: number;
pixel: number;
public toString(): string {
return "PixelEntry a:" + this.a + ";b:" + this.b + ";r:" + this.r + ";g:" + this.g + ";f:" + this.f;
}
}

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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 "../../glide/RequestOption.ets"
import {FileTypeUtil} from "../../glide/utils/FileTypeUtil.ets"
import {GlideData} from "../GlideData.ets"
import {ParseImageUtil} from '../utils/ParseImageUtil.ets'
import {ParseResClient} from '../resourcemanage/ParseResClient.ets'
import image from "@ohos.multimedia.image"
export class ErrorHolderManager {
private options: RequestOption;
constructor(option: RequestOption) {
this.options = option;
}
static execute(option: RequestOption) {
let manager = new ErrorHolderManager(option);
return new Promise(manager.process.bind(manager))
.then(option.errorholderOnComplete.bind(option)).catch(option.errorholderOnError.bind(option));
}
process(onComplete, onError) {
this.displayErrorholder(onComplete, onError);
}
private displayErrorholder(onComplete, onError) {
console.log("displayErrorholder")
if (this.options.errorholderSrc instanceof image.PixelMap) {
let glidedata = new GlideData();
glidedata.glideType = GlideData.PIXELMAP
glidedata.glideValue = this.options.placeholderSrc as PixelMap
onComplete(glidedata);
} else if (typeof this.options.errorholderSrc == 'string') {
} else {
let res = this.options.errorholderSrc as Resource;
if (typeof res.id != 'undefined' && typeof res.id != 'undefined') {
let resourceFetch = new ParseResClient();
let suc = (arraybuffer) => {
let fileTypeUtil = new FileTypeUtil();
let typeValue = fileTypeUtil.getFileType(arraybuffer);
if ("gif" == typeValue || "svg" == typeValue) {
let glidedata = new GlideData();
glidedata.glideType = "Resource"
glidedata.glideValue = this.options.errorholderSrc as Resource
glidedata.glideSourceType = typeValue;
onComplete(glidedata);
} else {
let parseImageUtils = new ParseImageUtil();
let success = (value: PixelMap) => {
let glidedata = new GlideData();
glidedata.glideType = "PixelMap"
glidedata.glideValue = value
glidedata.glideSourceType = typeValue;
onComplete(glidedata);
}
parseImageUtils.parseImage(arraybuffer, success, onError)
}
}
resourceFetch.loadResource(res, suc, onError)
} else {
onError("ErrorHolderManager 输入参数有问题!")
}
}
}
}

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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 "../../glide/RequestOption.ets"
import {ResourceTypeEts} from "../../glide/constants/ResourceTypeEts.ets"
import {Base64} from "../../cache/Base64.ets"
import {FileTypeUtil} from "../../glide/utils/FileTypeUtil.ets"
import {GlideData} from "../GlideData.ets"
import {ParseImageUtil} from '../utils/ParseImageUtil.ets'
import {ParseResClient} from '../resourcemanage/ParseResClient.ets'
import resourceManager from '@ohos.resourceManager';
import image from "@ohos.multimedia.image"
export class PlaceHolderManager {
private options: RequestOption;
constructor(option: RequestOption) {
this.options = option;
}
static execute(option: RequestOption) {
let manager = new PlaceHolderManager(option);
return new Promise(manager.process.bind(manager))
.then(option.placeholderOnComplete.bind(option)).catch(option.placeholderOnError.bind(option));
}
process(onComplete, onError) {
this.displayPlaceholder(onComplete, onError);
}
private displayPlaceholder(onComplete, onError) {
console.log("displayPlaceholder")
if (this.options.placeholderSrc instanceof image.PixelMap) {
let glidedata = new GlideData();
glidedata.glideType = GlideData.PIXELMAP
glidedata.glideValue = this.options.placeholderSrc as PixelMap
onComplete(glidedata);
} else if (typeof this.options.placeholderSrc == 'string') {
} else {
let res = this.options.placeholderSrc as Resource;
if (typeof res.id != 'undefined' && typeof res.id != 'undefined') {
let resourceFetch = new ParseResClient();
let suc = (arraybuffer) => {
let fileTypeUtil = new FileTypeUtil();
let typeValue = fileTypeUtil.getFileType(arraybuffer);
if ("gif" == typeValue || "svg" == typeValue) {
let glidedata = this.createGlideData("Resource", this.options.placeholderSrc as Resource, typeValue);
onComplete(glidedata);
} else {
let parseImageUtils = new ParseImageUtil();
let success = (value: PixelMap) => {
let glidedata = this.createGlideData('PixelMap', value, typeValue);
onComplete(glidedata);
}
parseImageUtils.parseImage(arraybuffer, success, onError)
}
}
resourceFetch.loadResource(res, suc, onError)
} else {
onError("PlaceHolderManager 输入参数有问题!")
}
}
}
private createGlideData(glideType:string, glideValue:PixelMap|string|Resource, glideSourceType:string):GlideData{
let glidedata = new GlideData();
glidedata.glideType = glideType;
glidedata.glideValue = glideValue;
glidedata.glideSourceType = glideSourceType;
return glidedata;
}
}

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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.
*/
export interface AsyncCallback<T> {
(err: string, data: T): boolean;
}

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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.
*/
export interface AsyncSuccess<T> {
(data: T);
}

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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.
*/
export interface DataCallBack<T> {
callback(data: T);
}

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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 {GlideData} from "../../glide/glidedata.ets"
export class AllCacheInfo {
memoryCacheInfo: {
key: string,
data: GlideData
}
resourceCacheInfo: {
path: string,
key: string
}
dataCacheInfo: {
path: string,
key: string
}
}
export interface IAllCacheInfoCallback {
(cacheInfo: AllCacheInfo);
}

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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.
*/
export interface IParseImage {
parseImage(imageinfo:ArrayBuffer, onCompleteFunction, onErrorFunction);
parseImageThumbnail(scale:number, imageinfo:ArrayBuffer, onCompleteFunction, onErrorFunction);
}

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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 {IDataFetch} from "../networkmanage/IDataFetch.ets"
import {RequestOption} from "../RequestOption.ets"
import {Md5} from "../../cache/Md5.ets"
import{FileUtils} from "../../cache/FileUtils.ets"
import httpRequest from '@ohos.request';
export class DownloadClient implements IDataFetch {
loadData(request: RequestOption, onCompleteFunction, onErrorFunction) {
let requestUrl = request.loadSrc as string;
if (requestUrl.startsWith("http") || requestUrl.startsWith("https")) {
let filename = Md5.hashStr(request.generateDataKey);
let allpath = request.networkCacheFolder + "/" + filename + ".img";
var downloadConfig = {
url: (request.loadSrc as string),
filePath: allpath
};
httpRequest.download(downloadConfig)
.then((downloadTask) => {
downloadTask.query((err, data) => {
if (err) {
onErrorFunction(err)
return;
}
downloadTask.on('progress', (uploadedSize, totalSize)=>{
let percent = Math.round(((uploadedSize*1.0)/(totalSize*1.0))*100)+"%"
if(request.progressFunc) {
request.progressFunc(percent);
}
});
downloadTask.on('complete', () => {
let downloadPath = request.getCachesPath() + "/" + allpath;
request.downloadFilePath = downloadPath;
let arraybuffer = FileUtils.getInstance()
.readFilePic(downloadPath)
onCompleteFunction(arraybuffer);
FileUtils.getInstance()
.deleteFile(downloadPath);
})
downloadTask.on('fail', (err) => {
onErrorFunction("DownloadClient Download task fail. err =" + err)
})
})
})
.catch((err) => {
onErrorFunction(err)
})
} else {
onErrorFunction("DownloadClient 暂不支持除http之外的uri加载")
}
}
}

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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 "../RequestOption.ets"
// 网络接口
export interface IDataFetch {
loadData(request: RequestOption, onCompleteFunction, onErrorFunction);
}

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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 {IDataFetch} from "../networkmanage/IDataFetch.ets"
import {RequestOption} from "../RequestOption.ets"
import {Md5} from "../../cache/Md5.ets"
import {FileUtils} from "../../cache/FileUtils.ets"
import {ParseResClient} from "../../glide/resourcemanage/ParseResClient"
import resourceManager from '@ohos.resourceManager';
export class SimulatedDownloadClient implements IDataFetch {
loadData(request: RequestOption, onCompleteFunction, onErrorFunction) {
console.log("SimulatedDownloadClient loadData");
let requestUrl = request.loadSrc as string;
let resource;
//jpg
if('https://hbimg.huabanimg.com/cc6af25f8d782d3cf3122bef4e61571378271145735e9-vEVggB' == requestUrl){
console.log("SimulatedDownloadClient jpg");
resource = $r('app.media.jpgNet')
}
//png
else if('https://img-blog.csdnimg.cn/20191215043500229.png' == requestUrl){
console.log("SimulatedDownloadClient png");
resource = $r('app.media.pngNet')
}
//bmp
else if('https://img-blog.csdn.net/20140514114029140' == requestUrl){
console.log("SimulatedDownloadClient bmp");
resource = $r('app.media.bmpNet')
}
//webp
else if('https://hbimg.huabanimg.com/95a6d37a39aa0b70d48fa18dc7df8309e2e0e8e85571e-x4hhks_fw658/format/webp' == requestUrl){
console.log("SimulatedDownloadClient webp");
resource = $r('app.media.webpNet')
}
//svg
else if('http://design-svc.fat.lunz.cn/StaticFiles/BP9999999772/BV9999999422/SA9999998420/30df266a-485e-411e-b178-b9fb1d8e0748.svg' == requestUrl){
console.log("SimulatedDownloadClient svg");
resource = $r('app.media.svgNet')
}
//gif
else if('https://pic.ibaotu.com/gif/18/17/16/51u888piCtqj.gif!fwpaa70/fw/700'== requestUrl){
console.log("SimulatedDownloadClient gif");
resource = $r('app.media.gifNet')
}else{
new Error("SimulatedDownloadClient not support otherUrl")
}
let resClient = new ParseResClient();
resClient.loadResource(resource,(arraybuffer)=>{
console.log("SimulatedDownloadClient loadResource callback! ok")
if(request.progressFunc) {
request.progressFunc("100%")
}
onCompleteFunction(arraybuffer)
},onErrorFunction)
}
}

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import {Closeable} from "/glide/pngj/io/Closeable.ets"
import {ImageInfo} from "/glide/pngj/entry/ImageInfo.ets"
export class PngReader implements Closeable {
private static LOG_TAG: string= "PngReader";
private static MAX_TOTAL_BYTES_READ_DEFAULT: number= 901001001;
private static MAX_BYTES_METADATA_DEFAULT: number= 5024024;
private static MAX_CHUNK_SIZE_SKIP: number= 2024024;
public imgInfo: ImageInfo;
public interlaced: boolean;
constructor(shouldCloseStream: boolean) {
}
close(): void {
}
}

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import {UPNG} from '../pngj/UPNG.js';
import image from '@ohos.multimedia.image';
import resourceManager from '@ohos.resourceManager';
import featureability from '@ohos.ability.featureAbility'
export class Pngj {
readPngImageInfo(arraybuffer: ArrayBuffer, callback) {
let imageSource = image.createImageSource(arraybuffer);
imageSource.getImageInfo((err, value) => {
if (err) {
return;
}
callback(value);
});
}
/**
*
* @param pngBuffer ArrayBuffer containing the PNG file
* @param callback
* returns an image object with following properties:
* width: the width of the image
* height: the height of the image
* depth: number of bits per channel
* ctype: color type of the file (Truecolor, Grayscale, Palette ...)
* frames: additional info about frames (frame delays etc.)
* tabs: additional chunks of the PNG file
* data: pixel data of the image
*/
readPngImage(pngBuffer: ArrayBuffer, callback) {
var png = UPNG.decode(pngBuffer);
callback(png)
}
writePngWithString(addInfo:string, pngBuffer: ArrayBuffer,callback) {
var pngDecode = UPNG.decode(pngBuffer);
var newPng = UPNG.encodeWithString(addInfo, UPNG.toRGBA8(pngDecode), pngDecode.width, pngDecode.height, 0)
callback(newPng);
}
writePng(pngBuffer: ArrayBuffer,callback) {
var pngDecode = UPNG.decode(pngBuffer);
var newPng = UPNG.encode(UPNG.toRGBA8(pngDecode), pngDecode.width, pngDecode.height, 0)
callback(newPng);
}
}

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export class PngjException extends Error {
constructor(s: string) {
super(s)
}
}

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import {PngjException} from "../PngjException.ets"
export class ImageInfo {
private static MAX_COLS_ROW: number= 16777216;
private cols: number;
private rows: number;
private bitDepth: number;
private channels: number;
private alpha: boolean;
private greyscale: boolean;
private indexed: boolean;
private packed: boolean;
private bitspPixel: number;
private bytesPixel: number;
private bytesPerRow: number;
private samplesPerRow: number;
private samplesPerRowPacked: number ;
private totalPixels: number= -1;
private totalRawBytes: number= -1;
/**
* Full constructor
*
* @param cols
* Width in pixels
* @param rows
* Height in pixels
* @param bitdepth
* Bits per sample, in the buffer : 8-16 for RGB true color and
* greyscale
* @param alpha
* Flag: has an alpha channel (RGBA or GA)
* @param grayscale
* Flag: is gray scale (any bitdepth, with or without alpha)
* @param indexed
* Flag: has palette
*/
constructor(cols: number, rows: number, bitdepth: number
, alpha: boolean, grayscale: boolean, indexed: boolean) {
this.cols = cols;
this.rows = rows;
this.alpha = alpha;
this.indexed = indexed;
this.greyscale = grayscale;
if (grayscale && indexed) {
throw new PngjException("palette and greyscale are mutually exclusive");
}
this.channels = (grayscale || indexed) ? (alpha ? 2 : 1) : (alpha ? 4 : 3);
this.bitDepth = bitdepth;
this.packed = bitdepth < 8;
this.bitspPixel = (this.channels * this.bitDepth);
this.bytesPixel = (this.bitspPixel + 7) / 8;
this.bytesPerRow = (this.bitspPixel * cols + 7) / 8;
this.samplesPerRow = this.channels * this.cols;
this.samplesPerRowPacked = this.packed ? this.bytesPerRow : this.samplesPerRow;
switch (this.bitDepth) {
case 1:
case 2:
case 4:
if (!(this.indexed || this.greyscale))
throw new PngjException("only indexed or grayscale can have bitdepth=" + this.bitDepth);
break;
case 8:
break;
case 16:
if (this.indexed) {
throw new PngjException("indexed can't have bitdepth=" + this.bitDepth);
}
break;
default:
throw new PngjException("invalid bitdepth=" + this.bitDepth);
}
if (cols < 1 || cols > ImageInfo.MAX_COLS_ROW) {
throw new PngjException("invalid cols=" + cols + " ???");
}
if (rows < 1 || rows > ImageInfo.MAX_COLS_ROW) {
throw new PngjException("invalid rows=" + rows + " ???");
}
if (this.samplesPerRow < 1) {
throw new PngjException("invalid image parameters (overflow?)");
}
}
/**
* returns a copy with different size
*
* @param cols
* if non-positive, the original is used
* @param rows
* if non-positive, the original is used
* @return a new copy with the specified size and same properties
*/
public withSize(cols: number, rows: number): ImageInfo {
return new ImageInfo(cols > 0 ? cols : this.cols, rows > 0 ? rows : this.rows, this.bitDepth, this.alpha,
this.greyscale, this.indexed);
}
public getTotalPixels(): number {
if (this.totalPixels < 0)
this.totalPixels = this.cols * this.rows;
return this.totalPixels;
}
public getTotalRawBytes(): number {
if (this.totalRawBytes < 0)
this.totalRawBytes = (this.bytesPerRow + 1) * this.rows;
return this.totalRawBytes;
}
public toString(): string{
return "ImageInfo [cols=" + this.cols + ", rows=" + this.rows + ", bitDepth="
+ this.bitDepth + ", channels=" + this.channels
+ ", alpha=" + this.alpha + ", greyscale="
+ this.greyscale + ", indexed=" + this.indexed + "]";
}
public toStringBrief(): string{
return this.cols + "x" + this.rows + (this.bitDepth != 8 ? ("d" + this.bitDepth) : "") + (this.alpha ? "a" : "")
+ (this.indexed ? "p" : "") + (this.greyscale ? "g" : "");
}
public toStringDetail(): string{
return "ImageInfo [cols=" + this.cols + ", rows=" + this.rows + ", bitDepth="
+ this.bitDepth + ", channels=" + this.channels + ", bitspPixel=" + this.bitspPixel
+ ", bytesPixel=" + this.bytesPixel + ", bytesPerRow=" + this.bytesPerRow
+ ", samplesPerRow=" + this.samplesPerRow + ", samplesPerRowP=" + this.samplesPerRowPacked
+ ", alpha=" + this.alpha + ", greyscale=" + this.greyscale + ", indexed=" + this.indexed
+ ", packed=" + this.packed + "]";
}
public hashCode(): number {
const prime: number = 31;
let result: number = 1;
result = prime * result + (this.alpha ? 1231 : 1237);
result = prime * result + this.bitDepth;
result = prime * result + this.cols;
result = prime * result + (this.greyscale ? 1231 : 1237);
result = prime * result + (this.indexed ? 1231 : 1237);
result = prime * result + this.rows;
return result;
}
public equals(obj: ImageInfo): boolean {
if (this == obj)
return true;
if (obj == null)
return false;
var other = obj;
if (this.alpha != other.alpha)
return false;
if (this.bitDepth != other.bitDepth)
return false;
if (this.cols != other.cols)
return false;
if (this.greyscale != other.greyscale)
return false;
if (this.indexed != other.indexed)
return false;
if (this.rows != other.rows)
return false;
return true;
}
}

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export interface IBytesConsumer {
isDone(): boolean;
consume(buf: ArrayBuffer, offset: number, len: number): number;
}

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export interface Closeable {
close(): void;
}

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export class Sandbox {
public static convert(origFileName: string, destFileName: string) {
}
}

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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 {ICache} from "../requestmanage/ICache.ets"
import {DiskLruCache} from "../../cache/DiskLruCache.ets"
export class DiskCacheProxy implements ICache<string, ArrayBuffer> {
private mDiskLruCache: DiskLruCache;
constructor(diskLruCache: DiskLruCache) {
this.mDiskLruCache = diskLruCache;
}
// 缓存类型
getName(): string{
return "Level2DiskCache";
}
getCachePath():string{
let folderPath = this.mDiskLruCache.dirPath
if (folderPath.endsWith('/')) {
return folderPath;
} else {
return folderPath + '/'
}
}
getValue(key: string): ArrayBuffer{
return this.mDiskLruCache.getCacheDataByKey(key);
}
putValue(key: string, value: ArrayBuffer) {
this.mDiskLruCache.putCacheData(key, value, null)
}
removeValue(key: string): ArrayBuffer{
// Disk暂无实现
return;
}
clear() {
this.mDiskLruCache.cleanCacheData();
}
}

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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.
*/
export interface ICache<K, V> {
// 缓存类型
getName(): string
getValue(key: K): V;
putValue(key: K, value: V);
removeValue(key: K): V;
clear();
}

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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 {ICache} from "../requestmanage/ICache.ets"
import {LruCache} from "../../cache/LruCache"
export class MemoryCacheProxy <K, V> implements ICache<K, V> {
private mLruCache: LruCache<K, V>;
constructor(lruCache: LruCache<K, V>) {
this.mLruCache = lruCache;
}
// 缓存类型
getName() {
return "Level1MemoryCache"
}
getValue(key: K): V{
console.log("Level1MemoryCache getValue come in!");
return this.mLruCache.get(key);
}
putValue(key: K, value: V) {
this.mLruCache.put(key, value);
}
removeValue(key: K): V{
return this.mLruCache.remove(key);
}
clear() {
this.mLruCache.evicAll();
}
// 外界调用
loadMemoryCache(key: K, isMemoryCacheable: boolean): V{
// 是否开启内存缓存
if (!isMemoryCacheable) {
return null;
}
let cached = this.getValue(key)
if (cached != null) {
return cached;
}
return null;
}
}

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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 "../../glide/RequestOption.ets"
import {DiskLruCache} from "../../cache/DiskLruCache.ets"
import {LruCache} from "../../cache/LruCache"
import {FileUtils} from "../../cache/FileUtils.ets"
import {Md5} from "../../cache/Md5.ets"
import{MemoryCacheProxy} from "../requestmanage/MemoryCacheProxy.ets"
import{DiskCacheProxy} from "../requestmanage/DiskCacheProxy.ets"
import{FileTypeUtil} from "../utils/FileTypeUtil.ets"
import{IDataFetch} from "../../glide/networkmanage/IDataFetch.ets"
import{IResourceFetch} from "../../glide/resourcemanage/IResourceFetch.ets"
import{GlideData} from "../GlideData.ets"
import {AllCacheInfo, IAllCacheInfoCallback} from "../../glide/interface/iallcacheinfocallback.ets"
import{ParseImageUtil} from '../utils/ParseImageUtil'
import{IParseImage} from '../interface/IParseImage.ets'
import image from "@ohos.multimedia.image"
export interface AsyncString {
(data: string): void;
}
export enum Stage {
INITIALIZE,
RESOURCE_CACHE,
DATA_CACHE,
SOURCE,
ENCODE,
FINISHED,
}
export enum RunReason {
INITIALIZE,
SWITCH_TO_SOURCE_SERVICE,
DECODE_DATA,
}
export class RequestManager {
private TAG: string = "RequestManager";
private options: RequestOption;
private mMemoryCacheProxy: MemoryCacheProxy<string, any>;
private mDiskCacheProxy: DiskCacheProxy;
private mIDataFetch: IDataFetch;
private mIResourceFetch: IResourceFetch;
private mParseImageUtil: IParseImage;
constructor(option: RequestOption, memoryCache1: LruCache<string, any>, diskMemoryCache1: DiskLruCache, dataFetch: IDataFetch, resourceFetch: IResourceFetch) {
this.options = option;
// 缓存部分
this.mMemoryCacheProxy = new MemoryCacheProxy(memoryCache1);
this.mDiskCacheProxy = new DiskCacheProxy(diskMemoryCache1);
// 网络下载能力
this.mIDataFetch = dataFetch;
// 本地数据解析能力
this.mIResourceFetch = resourceFetch;
// 解析image能力
this.mParseImageUtil = new ParseImageUtil();
}
static execute(option: RequestOption, memoryCache1: LruCache<string, any>, diskMemoryCache1: DiskLruCache, dataFetch: IDataFetch, resourceFetch: IResourceFetch) {
console.log("RequestManager execute")
let manager = new RequestManager(option, memoryCache1, diskMemoryCache1, dataFetch, resourceFetch);
return new Promise<PixelMap>(manager.process.bind(manager))
.then(option.loadComplete.bind(option))
.then(manager.loadCompleteAfter.bind(manager))
.catch(option.loadError.bind(option));
}
loadCompleteAfter() {
try { // 内部消化问题
console.log("loadCompleteAfter!")
if (this.options.allCacheInfoCallback) {
console.log("RequestOption =" + JSON.stringify(this.options));
// 内存缓存
let allCacheInfo = new AllCacheInfo();
let memoryCache = this.mMemoryCacheProxy.getValue(this.options.generateCacheKey);
allCacheInfo.memoryCacheInfo = {
key: this.options.generateCacheKey,
data: memoryCache
}
// 变换后缓存
allCacheInfo.resourceCacheInfo = {
key: Md5.hashStr(this.options.generateResourceKey),
path: (this.mDiskCacheProxy.getCachePath() + Md5.hashStr(this.options.generateResourceKey))
};
// 原图缓存
allCacheInfo.dataCacheInfo = {
key: Md5.hashStr(this.options.generateDataKey),
path: this.mDiskCacheProxy.getCachePath() + Md5.hashStr(this.options.generateDataKey)
}
this.options.allCacheInfoCallback(allCacheInfo)
}
} catch (err) {
console.log("after err =" + err)
}
}
// DecodeJob work
private mStage: Stage = Stage.INITIALIZE;
private mRunReason: RunReason = RunReason.INITIALIZE;
process(onComplete, onError) {
console.log("RequestManager process !");
this.loadLeve1MemoryCache(onComplete, onError)
}
private runWrapped(request: RequestOption, runReason: RunReason, onComplete, onError) {
console.log("RequestManager runWrapped")
if (runReason == RunReason.INITIALIZE) {
this.mStage = this.getNextStage(request, this.mStage);
this.searchLoadFrom(this.options, this.mStage, onComplete, onError);
} else {
throw new Error("Unrecognized run reason: " + runReason)
}
}
private getNextStage(request: RequestOption, current: Stage): Stage{
if (current == Stage.INITIALIZE) {
return request.strategy.decodeCachedResource()
? Stage.RESOURCE_CACHE
: this.getNextStage(request, Stage.RESOURCE_CACHE);
} else if (current == Stage.RESOURCE_CACHE) {
return request.strategy.decodeCachedData()
? Stage.DATA_CACHE
: this.getNextStage(request, Stage.DATA_CACHE);
} else if (current == Stage.DATA_CACHE) {
return request.onlyRetrieveFromCache ? Stage.FINISHED : Stage.SOURCE;
} else if (current == Stage.SOURCE) {
return Stage.FINISHED;
} else if (current == Stage.FINISHED) {
return Stage.FINISHED;
} else {
throw new Error("Unrecognized stage: " + current);
}
}
//究竟从哪里加载数据
private searchLoadFrom(request: RequestOption, current: Stage, onComplete, onError) {
console.log("RequestManager searchLoadFrom")
if (current == Stage.RESOURCE_CACHE) {
this.loadDiskFromTransform(request, onComplete, onError);
} else if (current == Stage.DATA_CACHE) {
this.loadDiskFromSource(request, onComplete, onError);
} else if (current == Stage.SOURCE) {
this.parseSource(request, onComplete, onError)
} else if (current == Stage.FINISHED) {
onError("在仅从缓存获取数据中，未获取到数据！")
} else {
throw new Error("Unrecognized stage: " + current);
}
}
// 加载网络资源
private loadSourceFromNetwork(request: RequestOption, onComplete, onError) {
let success = (arraybuffer) => {
this.downloadSuccess(arraybuffer, onComplete, onError)
}
this.mIDataFetch.loadData(request, success, onError);
}
// 加载本地资源
private loadSourceFormNative(request: RequestOption, onComplete, onError) {
console.log("RequestManager loadSourceFormNative")
// 本地解析后进行一级缓存
let success = (arrayBuffer) => {
// 使用媒体子系统 ImageSource解析文件 获取PixelMap
let fileTypeUtil = new FileTypeUtil();
let typeValue = fileTypeUtil.getFileType(arrayBuffer)
console.log("RequstManager - 文件类型为= " + typeValue)
if ((GlideData.GIF == typeValue && !request.dontAnimateFlag) || GlideData.SVG == typeValue) {
// 将图片资源 转换为文件地址
let folderPath = this.options.getFilesPath() + "/" + this.options._svgAndGifFolder;
let filePath = this.options.getFilesPath() + "/" + this.options._svgAndGifFolder + "/"
+ Md5.hashStr(this.options.generateDataKey) + "." + typeValue;
let filename = Md5.hashStr(this.options.generateDataKey) + "." + typeValue;
new Promise((resolve, reject) => {
// 存文件至svg目录，并且记录文件名
resolve("svg gif 文件开始本地保存！");
})
.then((res) => {
// 创建文件
FileUtils.getInstance()
.createFileProcess(folderPath, filePath, arrayBuffer);
// 写入记录
FileUtils.getInstance()
.writeData(this.options.getFilesPath() +
"/" + this.options._svgAndGifFolder + "/" + this.options._svgAndGifCommitFile, filename + "\n");
console.log("svg gif 本地保存成功 输出！");
let glidedata = this.createGlideData(GlideData.STRING, filePath, typeValue);
this.mMemoryCacheProxy.putValue(this.options.generateCacheKey, glidedata);
onComplete(glidedata);
})
.catch((err) => {
onError(err)
})
}
else {
if (request.transformtions[0]) {
request.transformtions[0].transform(arrayBuffer, request, (error, pixelMap: PixelMap) => {
// 输出给Image
if (pixelMap) {
let glidedata = this.createGlideData(GlideData.PIXELMAP, pixelMap, typeValue);
this.mMemoryCacheProxy.putValue(request.generateCacheKey, glidedata);
onComplete(glidedata);
} else {
onError(error);
}
})
}
else {
let success = (value: PixelMap) => {
let glidedata = this.createGlideData(GlideData.PIXELMAP, value, typeValue);
this.mMemoryCacheProxy.putValue(request.generateCacheKey, glidedata);
onComplete(glidedata);
}
this.mParseImageUtil.parseImage(arrayBuffer, success, onError)
}
}
}
this.mIResourceFetch.loadResource(request.loadSrc as Resource, success, onError);
}
// 加载磁盘缓存 原图
private loadDiskFromSource(request: RequestOption, onComplete, onError) {
console.log("RequestManager loadDiskFromSource")
let cached = this.mDiskCacheProxy.getValue(request.generateDataKey)
if (cached != null) {
this.parseDiskFile2PixelMap(request, cached, onComplete, onError)
} else {
this.mStage = Stage.SOURCE;
this.searchLoadFrom(this.options, this.mStage, onComplete, onError);
}
}
// 加载磁盘缓存 变换后图片
private loadDiskFromTransform(request: RequestOption, onComplete, onError) {
console.log("RequestManager loadDiskFromTransform")
let cached = this.mDiskCacheProxy.getValue(request.generateResourceKey)
if (cached != null) {
this.parseDiskTransformFile2PixelMap(request, cached, onComplete, onError)
} else {
this.mStage = Stage.DATA_CACHE;
this.searchLoadFrom(this.options, this.mStage, onComplete, onError);
}
}
parseSource(request: RequestOption, onComplete, onError) {
console.log("RequestManager parseSource")
if (request.loadSrc instanceof image.PixelMap) {
// PixelMap 外层捕获效率更高，不会进入这里
} else if (typeof request.loadSrc == 'string') {
this.loadSourceFromNetwork(request, onComplete, onError);
} else {
let res = request.loadSrc as Resource;
if (typeof res.id != 'undefined' && typeof res.id != 'undefined') {
this.loadSourceFormNative(request, onComplete, onError)
} else {
console.log("输入参数有问题！")
}
}
}
private loadLeve1MemoryCache(onComplete, onError) {
console.log("RequestManager loadLeve1MemoryCache")
// 一级缓存 内存获取
let cache = this.mMemoryCacheProxy.loadMemoryCache(this.options.generateCacheKey, this.options.isCacheable);
if (cache == null || typeof cache == 'undefined') {
// 处理磁盘加载 网络加载
this.runWrapped(this.options, this.mRunReason, onComplete, onError)
} else {
onComplete(cache);
return
}
}
// 解析磁盘文件变成PixeMap
private parseDiskFile2PixelMap(request: RequestOption, source: ArrayBuffer, onComplete, onError) {
// 步骤一：文件转为pixelMap 然后变换 给Image组件
let fileTypeUtil = new FileTypeUtil();
let typeValue = fileTypeUtil.getFileType(source);
if (((GlideData.GIF == typeValue && !request.dontAnimateFlag) || GlideData.SVG == typeValue)) {
// 将图片资源 转换为文件地址
let folderPath = this.options.getFilesPath() + "/" + this.options._svgAndGifFolder;
let filePath = this.options.getFilesPath() + "/" + this.options._svgAndGifFolder + "/"
+ Md5.hashStr(this.options.generateDataKey) + "." + typeValue;
let filename = Md5.hashStr(this.options.generateDataKey) + "." + typeValue;
new Promise((resolve, reject) => {
// 存文件至svg目录，并且记录文件名
resolve("svg gif 文件开始本地保存！");
}).then((res) => {
FileUtils.getInstance()
.createFileProcess(folderPath, filePath, source);
FileUtils.getInstance()
.writeData(this.options.getFilesPath() +
"/" + this.options._svgAndGifFolder + "/" + this.options._svgAndGifCommitFile, filename + "\n");
let glidedata = this.createGlideData(GlideData.STRING, filePath, typeValue)
this.mMemoryCacheProxy.putValue(this.options.generateCacheKey, glidedata);
onComplete(glidedata);
})
.catch((err) => {
onError(err)
})
} else {
if (this.options.transformtions[0]) {
if (this.options.thumbSizeMultiplier) {
let thumbOption = new RequestOption();
thumbOption.setImageViewSize({
width: Math.round(this.options.thumbSizeMultiplier * this.options.size.width),
height: Math.round(this.options.thumbSizeMultiplier * this.options.size.height)
})
let thumbCallback = this.options.thumbholderOnComplete.bind(this.options);
let thumbError = this.options.thumbholderOnError.bind(this.options);
this.options.transformtions[0].transform(source, thumbOption, (error, pixelMap: PixelMap) => {
if (pixelMap) {
let glidedata = this.createGlideData(GlideData.PIXELMAP, pixelMap, typeValue);
thumbCallback(glidedata);
} else {
thumbError(error);
}
})
setTimeout(()=>{
this.options.transformtions[0].transform(source, request, (error, pixelMap: PixelMap) => {
if (pixelMap) {
// 保存一份变换后的图片PixelMap到MemoryCache
let glidedata = this.createGlideData(GlideData.PIXELMAP, pixelMap, typeValue);
this.mMemoryCacheProxy.putValue(this.options.generateCacheKey, glidedata);
onComplete(glidedata);
} else {
onError(error);
}
})
},this.options.thumbDelayTime);
}
else {
this.options.transformtions[0].transform(source, request, (error, pixelMap: PixelMap) => {
if (pixelMap) {
// 保存一份变换后的图片PixelMap到MemoryCache
let glidedata = this.createGlideData(GlideData.PIXELMAP, pixelMap, typeValue);
this.mMemoryCacheProxy.putValue(this.options.generateCacheKey, glidedata);
onComplete(glidedata);
} else {
onError(error);
}
})
}
} else {
// thumbnail 缩略图部分
if (request.thumbSizeMultiplier) {
let thumbCallback = this.options.thumbholderOnComplete.bind(this.options);
let thumbError = this.options.thumbholderOnError.bind(this.options);
let thumbSuccess = (value: PixelMap) => {
let glidedata = this.createGlideData(GlideData.PIXELMAP, value, typeValue);
thumbCallback(glidedata);
}
this.mParseImageUtil.parseImageThumbnail(request.thumbSizeMultiplier, source, thumbSuccess, thumbError);
setTimeout(()=>{
let success = (value: PixelMap) => {
let glidedata = this.createGlideData(GlideData.PIXELMAP, value, typeValue);
this.mMemoryCacheProxy.putValue(this.options.generateCacheKey, glidedata);
onComplete(glidedata);
}
this.mParseImageUtil.parseImage(source, success, onError)
},this.options.thumbDelayTime)
}
else {
let success = (value: PixelMap) => {
let glidedata = this.createGlideData(GlideData.PIXELMAP, value, typeValue);
this.mMemoryCacheProxy.putValue(this.options.generateCacheKey, glidedata);
onComplete(glidedata);
}
this.mParseImageUtil.parseImage(source, success, onError)
}
}
}
}
// 解析磁盘变换后文件变成PixeMap
private parseDiskTransformFile2PixelMap(request: RequestOption, source: ArrayBuffer, onComplete, onError) {
let fileTypeUtil = new FileTypeUtil();
let typeValue = fileTypeUtil.getFileType(source);
// thumbnail 缩略图部分
if (request.thumbSizeMultiplier) {
let thumbCallback = this.options.thumbholderOnComplete.bind(this.options);
let thumbError = this.options.thumbholderOnError.bind(this.options);
let thumbSuccess = (value: PixelMap) => {
let glidedata = this.createGlideData(GlideData.PIXELMAP, value, typeValue);
thumbCallback(glidedata);
}
this.mParseImageUtil.parseImageThumbnail(request.thumbSizeMultiplier, source, thumbSuccess, thumbError);
setTimeout(()=>{
let success = (value: PixelMap) => {
let glidedata = this.createGlideData(GlideData.PIXELMAP, value, typeValue);
this.mMemoryCacheProxy.putValue(this.options.generateCacheKey, glidedata);
onComplete(glidedata);
}
this.mParseImageUtil.parseImage(source, success, onError)
},this.options.thumbDelayTime)
}else{
let success = (value: PixelMap) => {
let glidedata = this.createGlideData(GlideData.PIXELMAP, value, typeValue)
this.mMemoryCacheProxy.putValue(this.options.generateCacheKey, glidedata);
onComplete(glidedata);
}
this.mParseImageUtil.parseImage(source, success, onError)
}
}
private downloadSuccess(source: ArrayBuffer, onComplete, onError) {
console.info('Download task completed.');
// 下载成功之后 去data/data/包名/唯一路径/文件名 读取数据
// 步骤一：文件转为pixelMap 然后变换 给Image组件
// 步骤二: 文件名保存一份全局
// 步骤三:查看文件是否支持 非支持类型直接返回
let fileTypeUtil = new FileTypeUtil();
let filetype = fileTypeUtil.getFileType(source);
if (!fileTypeUtil.isImage(source)) {
onError("暂不支持 下载文件类型！类型=" + filetype);
return;
}
if ((GlideData.GIF == filetype && !this.options.dontAnimateFlag) || GlideData.SVG == filetype) {
// 将图片资源 转换为文件地址
let folderPath = this.options.getFilesPath() + "/" + this.options._svgAndGifFolder;
let filePath = this.options.getFilesPath() + "/" + this.options._svgAndGifFolder + "/"
+ Md5.hashStr(this.options.generateDataKey) + "." + filetype;
let filename = Md5.hashStr(this.options.generateDataKey) + "." + filetype;
// 1.文件保存 2.内存缓存 3.输出结果
new Promise((resolve, reject) => {
// 存文件至svg目录，并且记录文件名
resolve("svg gif 文件开始本地保存！");
})
.then((res) => {
FileUtils.getInstance()
.createFileProcess(folderPath, filePath, source);
FileUtils.getInstance()
.writeData(this.options.getFilesPath() +
"/" + this.options._svgAndGifFolder + "/" + this.options._svgAndGifCommitFile, filename + "\n");
let glidedata = this.createGlideData(GlideData.STRING, filePath, filetype);
this.mMemoryCacheProxy.putValue(this.options.generateCacheKey, glidedata);
onComplete(glidedata);
})
.catch((err) => {
onError(err)
})
// 保存二级磁盘缓存
new Promise((resolve, reject) => {
resolve(source)
})
.then((arraybuffer: ArrayBuffer) => {
this.mDiskCacheProxy.putValue(this.options.generateDataKey, arraybuffer)
})
.catch((err) => {
console.log("err=" + err);
})
} else {
// 进行变换
if (this.options.transformtions[0]) {
// thumbnail 缩略图部分
if (this.options.thumbSizeMultiplier) {
this.thumbnailProcess(source, filetype, onComplete, onError);
} else {
this.options.transformtions[0].transform(source, this.options, (error, pixelMap: PixelMap) => {
if (pixelMap) {
this.saveCacheAndDisk(pixelMap, filetype, onComplete, source);
} else {
onError(error);
}
})
}
} else {
// thumbnail 缩略图部分
if (this.options.thumbSizeMultiplier) {
let thumbCallback = this.options.thumbholderOnComplete.bind(this.options);
let thumbError = this.options.thumbholderOnError.bind(this.options);
let thumbSuccess = (value: PixelMap) => {
let glidedata = this.createGlideData(GlideData.PIXELMAP, value, filetype);
thumbCallback(glidedata);
}
this.mParseImageUtil.parseImageThumbnail(this.options.thumbSizeMultiplier, source, thumbSuccess, thumbError);
setTimeout(() => {
let success = (value: PixelMap) => {
this.saveCacheAndDisk(value, filetype, onComplete, source);
}
this.mParseImageUtil.parseImage(source, success, onError)
}, this.options.thumbDelayTime)
} else {
let success = (value: PixelMap) => {
this.saveCacheAndDisk(value, filetype, onComplete, source);
}
this.mParseImageUtil.parseImage(source, success, onError)
}
}
}
}
createGlideData(glideType:string, glideValue:PixelMap|string|Resource, glideSourceType:string):GlideData{
let glidedata = new GlideData();
glidedata.glideType = glideType;
glidedata.glideValue = glideValue;
glidedata.glideSourceType = glideSourceType;
return glidedata;
}
private saveCacheAndDisk(value: PixelMap, filetype:string, onComplete, source:ArrayBuffer){
let glidedata = this.createGlideData(GlideData.PIXELMAP, value, filetype);
this.mMemoryCacheProxy.putValue(this.options.generateCacheKey, glidedata);
let save2DiskCache = (arraybuffer) => {
this.mDiskCacheProxy.putValue(this.options.generateDataKey, arraybuffer)
}
let runSave2Disk = (resolve, reject) => {
resolve(source);
}
let promise = new Promise(runSave2Disk);
promise.then(save2DiskCache);
onComplete(glidedata);
}
thumbnailProcess(source:ArrayBuffer, filetype:string, onComplete, onError){
let thumbOption = new RequestOption();
thumbOption.setImageViewSize({
width: Math.round(this.options.thumbSizeMultiplier * this.options.size.width),
height: Math.round(this.options.thumbSizeMultiplier * this.options.size.height)
})
let thumbCallback = this.options.thumbholderOnComplete.bind(this.options);
let thumbError = this.options.thumbholderOnError.bind(this.options);
this.options.transformtions[0].transform(source, thumbOption, (error, pixelMap: PixelMap) => {
if (pixelMap) {
let glidedata = this.createGlideData(GlideData.PIXELMAP, pixelMap, filetype);
thumbCallback(glidedata);
} else {
thumbError(error);
}
})
setTimeout(() => {
this.options.transformtions[0].transform(source, this.options, (error, pixelMap: PixelMap) => {
if (pixelMap) {
this.saveCacheAndDisk(pixelMap, filetype, onComplete, source);
} else {
onError(error);
}
})
}, this.options.thumbDelayTime)
}
}

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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 "../RequestOption.ets"
// 本地资源解析抽象接口
export interface IResourceFetch {
loadResource(res: Resource, onCompleteFunction, onErrorFunction);
}

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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 {IResourceFetch} from '../resourcemanage/IResourceFetch.ets'
import {ResourceTypeEts} from '../../glide/constants/ResourceTypeEts.ets'
import resourceManager from '@ohos.resourceManager';
export class ParseResClient implements IResourceFetch {
loadResource(res: Resource, onCompleteFunction, onErrorFunction) {
let resId = res.id;
let resType = res.type;
if (resType == ResourceTypeEts.MEDIA) {
resourceManager.getResourceManager()
.then(result => {
result.getMedia(resId)
.then(data => {
let arrayBuffer = this.typedArrayToBuffer(data);
onCompleteFunction(arrayBuffer)
})
.catch(err => {
onErrorFunction(err)
})
})
}
else if (resType == ResourceTypeEts.RAWFILE) {
onErrorFunction('ParseResClient 本地资源是rawfile暂时无法解析出错')
} else {
onErrorFunction('ParseResClient 本地资源不是media也不是rawfile无法解析出错')
}
}
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 {IResourceFetch} from '../resourcemanage/IResourceFetch.ets'
import {ResourceTypeEts} from '../../glide/constants/ResourceTypeEts.ets'
import {Base64} from '../../cache/Base64.ets'
import resourceManager from '@ohos.resourceManager';
export class ParseResClientBase64 implements IResourceFetch {
loadResource(res: Resource, onCompleteFunction, onErrorFunction) {
let resId = res.id;
let resType = res.type;
if (resType == ResourceTypeEts.MEDIA) {
resourceManager.getResourceManager()
.then(result => {
result.getMediaBase64(resId)
.then(data => {
let matchReg = ';base64,';
var firstIndex = data.indexOf(matchReg)
data = data.substring(firstIndex + matchReg.length, data.length)
let arrayBuffer = Base64.getInstance()
.decode(data);
onCompleteFunction(arrayBuffer)
})
.catch(err => {
onErrorFunction(err)
})
})
}
else if (resType == ResourceTypeEts.RAWFILE) {
onErrorFunction('ParseResClientBase64 本地资源是rawfile暂时无法解析出错')
} else {
onErrorFunction('ParseResClientBase64 本地资源不是media也不是rawfile无法解析出错')
}
}
}

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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.
*/
export interface AsyncTransform<T> {
(err, data: T)
}

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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 {AsyncTransform} from "../transform/AsyncTransform.ets"
import {RequestOption} from "../../glide/RequestOption.ets"
export interface BaseTransform<T> {
//实现类 返回作为key生成的一部分
getName(): string;
transform(value: ArrayBuffer, request: RequestOption, func: AsyncTransform<T>);
}

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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 {BaseTransform} from "../transform/BaseTransform.ets"
import {AsyncTransform} from "../transform/AsyncTransform.ets"
import {Constants} from "../constants/Constants.ets"
import {RequestOption} from "../../glide/RequestOption.ets"
import {TransformUtils} from "../transform/TransformUtils.ets"
import image from "@ohos.multimedia.image"
import {fastBlur} from "../utils/FastBlur"
export class BlurTransformation implements BaseTransform<PixelMap> {
private _mRadius: number;
constructor(radius: number) {
this._mRadius = radius;
}
getName() {
return "BlurTransformation _mRadius:" + this._mRadius;
}
transform(buf: ArrayBuffer, request: RequestOption, func?: AsyncTransform<PixelMap>) {
if (!buf || buf.byteLength <= 0) {
console.log(Constants.PROJECT_TAG + ";BlurTransformation buf is empty");
if (func) {
func(Constants.PROJECT_TAG + ";BlurTransformation buf is empty", null);
}
return;
}
var imageSource = image.createImageSource(buf);
TransformUtils.getPixelMapSize(imageSource, (error, size: {
width: number,
height: number
}) => {
if (!size) {
func(error, null)
return;
}
var pixelMapWidth = size.width;
var pixelMapHeight = size.height;
var targetWidth = request.size.width;
var targetHeight = request.size.height;
if (pixelMapWidth < targetWidth) {
targetWidth = pixelMapWidth;
}
if (pixelMapHeight < targetHeight) {
targetHeight = pixelMapHeight;
}
var options = {
editable: true,
desiredSize: {
width: targetWidth,
height: targetHeight
}
}
imageSource.createPixelMap(options)
.then((data) => {
fastBlur.blur(data, this._mRadius, true, func);
})
.catch((e) => {
console.log(Constants.PROJECT_TAG + ";error:" + e);
func(e, null);
})
})
}
}

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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 {BaseTransform} from "../transform/BaseTransform.ets"
import {AsyncTransform} from "../transform/AsyncTransform.ets"
import {Constants} from "../constants/Constants.ets"
import {RequestOption} from "../../glide/RequestOption.ets"
import {TransformUtils} from "../transform/TransformUtils.ets"
import image from "@ohos.multimedia.image"
/**
* brightness value ranges from -1.0 to 1.0, with 0.0 as the normal level
*/
export class BrightnessFilterTransformation implements BaseTransform<PixelMap> {
private _mBrightness: number= 0.0;
constructor(brightness: number) {
this._mBrightness = brightness;
}
getName() {
return "BrightnessFilterTransformation:" + this._mBrightness;
}
async transform(buf: ArrayBuffer, request: RequestOption, func?: AsyncTransform<PixelMap>) {
if (!buf || buf.byteLength <= 0) {
console.log(Constants.PROJECT_TAG + ";GrayscaleTransformation buf is empty");
if (func) {
func(Constants.PROJECT_TAG + ";GrayscaleTransformation buf is empty", null);
}
return;
}
var imageSource = image.createImageSource(buf);
let imageInfo = await imageSource.getImageInfo();
let size = {
width: imageInfo.size.width,
height: imageInfo.size.height
}
if (!size) {
func(new Error("GrayscaleTransformation The image size does not exist."), null)
return;
}
var pixelMapWidth = size.width;
var pixelMapHeight = size.height;
var targetWidth = request.size.width;
var targetHeight = request.size.height;
if (pixelMapWidth < targetWidth) {
targetWidth = pixelMapWidth;
}
if (pixelMapHeight < targetHeight) {
targetHeight = pixelMapHeight;
}
var options = {
editable: true,
desiredSize: {
width: targetWidth,
height: targetHeight
}
}
let data = await imageSource.createPixelMap(options);
let readPromise;
let writePromise;
for (let w = 0;w <= targetWidth; w++) {
for (let h = 0;h <= targetHeight; h++) {
var buffer = new ArrayBuffer(5);
readPromise = new Promise<void>((resolve, reject) => {
var positionRen = {
pixels: buffer,
offset: 1,
stride: 1024,
region: { size: { width: 1, height: 1 },
x: w,
y: h
}
}
data.readPixels(positionRen, () => {
resolve();
});
});
await readPromise;
writePromise = new Promise<void>((resolve, reject) => {
var bytes = new Uint8Array(buffer);
var buffer1B = new ArrayBuffer(5);
var bytes1B = new Uint8Array(buffer1B);
var writePositionRenB = {
pixels: buffer1B,
offset: 1,
stride: 1024,
region: { size: { width: 1, height: 1 },
x: w,
y: h
}
}
bytes1B[0] = bytes[0];
bytes1B[1] = this.checkVisAble(bytes[1] * this._mBrightness + bytes[1]);
bytes1B[2] = this.checkVisAble(bytes[2] * this._mBrightness + bytes[2]);
bytes1B[3] = this.checkVisAble(bytes[3] * this._mBrightness + bytes[3]);
bytes1B[4] = bytes[4];
data.writePixels(writePositionRenB, () => {
resolve();
});
})
await writePromise;
}
}
func("", data);
}
private checkVisAble(input: number) {
if (input > 255) {
input = 255;
}
if (input <= 0) {
input = 0;
}
return input;
}
}

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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 {BaseTransform} from "../transform/BaseTransform.ets"
import {AsyncTransform} from "../transform/AsyncTransform.ets"
import {Constants} from "../constants/Constants.ets"
import {RequestOption} from "../../glide/RequestOption.ets"
import image from "@ohos.multimedia.image"
/**
* 以24位色图像为例子，每种色彩都可以用0-255，
* 一共256种深度来表示。如果我们把它画在一个二维坐标上，
* 正好是一条直线。比如我们将像素的色深作为横坐标，输出色深作为纵坐标的画，正好是一条经过原点(0，0)的45度斜线
* 那么很容易就可以写出它的直线方程：Out = In * 1 ，系数1就是对比度的概念.如果把条直线加上一个偏移量变成B，那么它的直线方程就成为：
* Out = In * 1 + (ab)偏移量(ab)就是亮度的增量。
*只要有初中的代数知识就很容易看出它满足一条直线方程：Y= A * X + B。但是，我们这里要处理的情况稍微有些不同，在图像处理中，对比度和亮度要分别对待。不能因为改变而改变亮度，因为我们习惯上把灰色(127，127)这一点作为中心点。
*
*直线公式修改成：Y=( X - 127 ) * A + B。A表示对比度，B表示亮度增量。
* 只要亮度增量 B＝0，无论怎么改变对比度 A，该直线始终通过中心点(127,127),也就是说改变对比度的同时，亮度没有改变
*
*_mContrast value ranges from 0.0 to 4.0, with 1.0 as the normal level
*
*
*/
export class ContrastFilterTransformation implements BaseTransform<PixelMap> {
private _mContrast: number;
constructor(contrast: number) {
this._mContrast = contrast;
}
getName() {
return "ContrastFilterTransformation:" + this._mContrast;
}
async transform(buf: ArrayBuffer, request: RequestOption, func?: AsyncTransform<PixelMap>) {
if (!buf || buf.byteLength <= 0) {
console.log(Constants.PROJECT_TAG + ";ContrastFilterTransformation buf is empty");
if (func) {
func(Constants.PROJECT_TAG + ";ContrastFilterTransformation buf is empty", null);
}
return;
}
var imageSource = image.createImageSource(buf);
let imageInfo = await imageSource.getImageInfo();
let size = {
width: imageInfo.size.width,
height: imageInfo.size.height
}
if (!size) {
func(new Error("ContrastFilterTransformation The image size does not exist."), null)
return;
}
var pixelMapWidth = size.width;
var pixelMapHeight = size.height;
var targetWidth = request.size.width;
var targetHeight = request.size.height;
if (pixelMapWidth < targetWidth) {
targetWidth = pixelMapWidth;
}
if (pixelMapHeight < targetHeight) {
targetHeight = pixelMapHeight;
}
var options = {
editable: true,
desiredSize: {
width: targetWidth,
height: targetHeight
}
}
let data = await imageSource.createPixelMap(options);
let readPromise;
let writePromise;
for (let w = 0;w <= targetWidth; w++) {
for (let h = 0;h <= targetHeight; h++) {
var buffer = new ArrayBuffer(5);
readPromise = new Promise<void>((resolve, reject) => {
var positionRen = {
pixels: buffer,
offset: 1,
stride: 1024,
region: { size: { width: 1, height: 1 },
x: w,
y: h
}
}
data.readPixels(positionRen, () => {
resolve();
});
});
await readPromise;
writePromise = new Promise<void>((resolve, reject) => {
var bytes = new Uint8Array(buffer);
var buffer1B = new ArrayBuffer(5);
var bytes1B = new Uint8Array(buffer1B);
var writePositionRenB = {
pixels: buffer1B,
offset: 1,
stride: 1024,
region: { size: { width: 1, height: 1 },
x: w,
y: h
}
}
let brightness = 0; //亮度的偏移量，可以默认0
bytes1B[0] = bytes[0];
bytes1B[1] = this.checkVisAble((bytes[1] - 127) * this._mContrast + brightness + 127);
bytes1B[2] = this.checkVisAble((bytes[2] - 127) * this._mContrast + brightness + 127);
bytes1B[3] = this.checkVisAble((bytes[3] - 127) * this._mContrast + brightness + 127);
bytes1B[4] = bytes[4];
data.writePixels(writePositionRenB, () => {
resolve();
});
})
await writePromise;
}
}
func("", data);
}
private checkVisAble(input: number) {
if (input > 255) {
input = 255;
}
if (input <= 0) {
input = 0;
}
return input;
}
}

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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 {BaseTransform} from "../transform/BaseTransform.ets"
import {AsyncTransform} from "../transform/AsyncTransform.ets"
import {Constants} from "../constants/Constants.ets"
import {RequestOption} from "../../glide/RequestOption.ets"
import {TransformUtils} from "../transform/TransformUtils.ets"
import image from "@ohos.multimedia.image"
export class CropCircleTransformation implements BaseTransform<PixelMap> {
private static TAG: string= "CropCircleTransformation";
private mCenterX: number= 0;
private mCenterY: number= 0;
private mRadius: number= 0;
private mTransform_pixelMap: any;
getName() {
return CropCircleTransformation.TAG + ";mCenterX:" + this.mCenterX
+ ";mCenterY:" + this.mCenterY
+ ";mRadius:" + this.mRadius;
}
transform(buf: ArrayBuffer, request: RequestOption, func?: AsyncTransform<PixelMap>) {
if (!buf || buf.byteLength <= 0) {
console.error(Constants.PROJECT_TAG + CropCircleTransformation.TAG + " buf is empty");
if (func) {
func(Constants.PROJECT_TAG + CropCircleTransformation.TAG + " buf is empty", null);
}
return;
}
var imageSource = image.createImageSource(buf);
var that = this;
TransformUtils.getPixelMapSize(imageSource, (error, size: {
width: number,
height: number
}) => {
if (!size) {
func(error, null)
return;
}
var pixelMapWidth = size.width;
var pixelMapHeight = size.height;
var targetWidth = request.size.width;
var targetHeight = request.size.height;
if (pixelMapWidth < targetWidth) {
targetWidth = pixelMapWidth;
}
if (pixelMapHeight < targetHeight) {
targetHeight = pixelMapHeight;
}
that.updatePixelMapSize(imageSource, targetWidth, targetHeight, func);
})
}
private updatePixelMapSize(imageSource: any, outWith: number, outHeight: number, func?: AsyncTransform<PixelMap>) {
var options = {
editable: true,
desiredSize: {
width: outWith,
height: outHeight
}
}
imageSource.createPixelMap(options)
.then(p => {
this.transformCircle(p, func);
})
.catch(e => {
console.error(Constants.PROJECT_TAG + CropCircleTransformation.TAG + " transform e:" + e);
if (func) {
func(Constants.PROJECT_TAG + CropCircleTransformation.TAG + "e" + e, null);
}
})
}
private async transformCircle(p: PixelMap, func?: AsyncTransform<PixelMap>) {
this.mTransform_pixelMap = p;
let imageInfo = await this.mTransform_pixelMap.getImageInfo();
let size = {
width: imageInfo.size.width,
height: imageInfo.size.height
}
if (!size) {
func(new Error("CropCircleTransformation The image size does not exist."), null)
return;
}
var height = size.height;
var width = size.width;
this.mRadius = 0;
if (width > height) {
this.mRadius = height / 2;
} else {
this.mRadius = width / 2;
}
this.mCenterX = width / 2;
this.mCenterY = height / 2;
let writePromise;
for (var h = 0;h <= height; h++) {
for (var w = 0;w <= width; w++) {
if (this.isContainsCircle(w, h)) {
continue;
}
writePromise = new Promise<void>((resolve, reject) => {
var buffer1 = new ArrayBuffer(5);
var bytes1 = new Uint8Array(buffer1);
var writePositionRenB = {
pixels: buffer1,
offset: 1,
stride: 1024,
region: { size: { width: 1, height: 1 },
x: w,
y: h
}
}
for (let j = 0;j < 5; j++) {
bytes1[j] = 0;
}
this.mTransform_pixelMap.writePixels(writePositionRenB, () => {
resolve();
});
})
await writePromise;
}
}
if (func) {
func("", this.mTransform_pixelMap);
}
}
isContainsCircle(x: number, y: number): boolean {
var a = Math.pow((this.mCenterX - x), 2);
var b = Math.pow((this.mCenterY - y), 2);
var c = Math.sqrt((a + b));
return c <= this.mRadius;
}
}

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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 {BaseTransform} from "../transform/BaseTransform.ets"
import {AsyncTransform} from "../transform/AsyncTransform.ets"
import {Constants} from "../constants/Constants.ets"
import {RequestOption} from "../../glide/RequestOption.ets"
import {TransformUtils} from "../transform/TransformUtils.ets"
import image from "@ohos.multimedia.image"
export class CropCircleWithBorderTransformation implements BaseTransform<PixelMap> {
private static TAG: string= "CropCircleTransformation";
private mTransform_pixelMap: any;
private mBorderSize: number= 5;
private mCenterX: number= 0;
private mCenterY: number= 0;
private mRadius: number= 0;
private mRColor: number= 0;
private mGColor: number= 0;
private mBColor: number= 0;
constructor(border_size: number, value: {
r_color?: number,
g_color?: number,
b_color?: number,
}) {
this.mRColor = value.g_color;
this.mGColor = value.g_color;
this.mBColor = value.b_color;
this.mBorderSize = border_size;
}
getName() {
return CropCircleWithBorderTransformation.TAG + ";mBorderSize:" + this.mBorderSize
+ ";mCenterX:" + this.mCenterX
+ ";mCenterY:" + this.mCenterY
+ ";mRadius:" + this.mRadius
+ ";mRColor:" + this.mRColor
+ ";mGColor:" + this.mGColor
+ ";mBColor:" + this.mBColor;
}
transform(buf: ArrayBuffer, request: RequestOption, func?: AsyncTransform<PixelMap>) {
if (!buf || buf.byteLength <= 0) {
console.log(Constants.PROJECT_TAG + ";CropCircleWithBorderTransformation buf is empty");
if (func) {
func(Constants.PROJECT_TAG + ";CropCircleWithBorderTransformation buf is empty", null);
}
return;
}
var imageSource = image.createImageSource(buf);
var that = this;
TransformUtils.getPixelMapSize(imageSource, (error, size: {
width: number,
height: number
}) => {
if (!size) {
func(error, null)
return;
}
var pixelMapWidth = size.width;
var pixelMapHeight = size.height;
var targetWidth = request.size.width;
var targetHeight = request.size.height;
if (pixelMapWidth < targetWidth) {
targetWidth = pixelMapWidth;
}
if (pixelMapHeight < targetHeight) {
targetHeight = pixelMapHeight;
}
that.updatePixelMapSize(imageSource, targetWidth, targetHeight, func);
})
}
private updatePixelMapSize(imageSource: any, outWith: number, outHeight: number, func?: AsyncTransform<PixelMap>) {
var options = {
editable: true,
desiredSize: {
width: outWith,
height: outHeight
}
}
imageSource.createPixelMap(options)
.then((pixelMap) => {
this.transformPixelMap(pixelMap, outWith, outHeight, func);
})
.catch(e => {
console.log(Constants.PROJECT_TAG + ";CropCircleWithBorderTransformation e:" + e);
if (func) {
func(Constants.PROJECT_TAG + ";CropCircleWithBorderTransformation e:" + e, null);
}
})
}
private async transformPixelMap(pixelMap: PixelMap, width: number, height: number, func?: AsyncTransform<PixelMap>) {
this.mTransform_pixelMap = pixelMap;
this.mRadius = 0;
if (width > height) {
this.mRadius = height / 2;
} else {
this.mRadius = width / 2;
}
this.mCenterX = width / 2;
this.mCenterY = height / 2;
let readPromise;
let writePromise;
for (let h = 0;h <= height; h++) {
for (let w = 0;w <= width; w++) {
//不在大圆之内的设置透明
//在大圆与小圆之间的 设置rgb值
//小圆之内的不变
let isSmallCircle: boolean = this.isContainsSmallCircle(w, h);
let isBigCircle: boolean = this.isContainsCircle(w, h);
if (isSmallCircle) {
continue;
}
if (!isBigCircle) {
//设置透明
writePromise = new Promise<void>((resolve, reject) => {
var buffer1B = new ArrayBuffer(5);
var bytes1B = new Uint8Array(buffer1B);
var writePositionRenB = {
pixels: buffer1B,
offset: 1,
stride: 1024,
region: { size: { width: 1, height: 1 },
x: w,
y: h
}
}
for (let j = 0;j < 5; j++) {
bytes1B[j] = 0;
}
this.mTransform_pixelMap.writePixels(writePositionRenB, () => {
resolve();
});
})
await writePromise;
} else {
//设置broke
var buffer = new ArrayBuffer(5);
readPromise = new Promise<void>((resolve, reject) => {
var positionRen = {
pixels: buffer,
offset: 1,
stride: 1024,
region: { size: { width: 1, height: 1 },
x: w,
y: h
}
}
this.mTransform_pixelMap.readPixels(positionRen, () => {
resolve();
});
});
await readPromise;
writePromise = new Promise<void>((resolve, reject) => {
var bytes = new Uint8Array(buffer);
var buffer1 = new ArrayBuffer(5);
var bytes1 = new Uint8Array(buffer1);
var writePositionRen = {
pixels: buffer1,
offset: 1,
stride: 1024,
region: { size: { width: 1, height: 1 },
x: w,
y: h
}
}
for (let j = 0;j < 5; j++) {
if (j == 1 && this.mBColor > 0) {
bytes1[j] = this.mBColor;
} else if (j == 2 && this.mGColor > 0) {
bytes1[j] = this.mGColor;
} else if (j == 3 && this.mRColor > 0) {
bytes1[j] = this.mRColor;
} else {
bytes1[j] = bytes[j];
}
}
this.mTransform_pixelMap.writePixels(writePositionRen, () => {
resolve();
});
})
await writePromise;
}
}
}
if (func) {
func("", this.mTransform_pixelMap);
}
}
isContainsCircle(x: number, y: number): boolean {
var a = Math.pow((this.mCenterX - x), 2);
var b = Math.pow((this.mCenterY - y), 2);
var c = Math.sqrt((a + b));
return c <= this.mRadius;
}
isContainsSmallCircle(x: number, y: number): boolean {
var a = Math.pow((this.mCenterX - x), 2);
var b = Math.pow((this.mCenterY - y), 2);
var c = Math.sqrt((a + b));
return c <= (this.mRadius - this.mBorderSize);
}
}

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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 {BaseTransform} from "../transform/BaseTransform.ets"
import {AsyncTransform} from "../transform/AsyncTransform.ets"
import {Constants} from "../constants/Constants.ets"
import {RequestOption} from "../../glide/RequestOption.ets"
import image from "@ohos.multimedia.image"
export class CropSquareTransformation implements BaseTransform<PixelMap> {
private static TAG: string= "CropSquareTransformation";
getName() {
return CropSquareTransformation.TAG + ";CropSquareTransformation:" + this;
}
transform(buf: ArrayBuffer, request: RequestOption, func?: AsyncTransform<PixelMap>) {
if (!buf || buf.byteLength <= 0) {
console.log(Constants.PROJECT_TAG + ";CropSquareTransformation buf is empty");
if (func) {
func(Constants.PROJECT_TAG + ";CropSquareTransformation buf is empty", null);
}
return;
}
this.squareCrop(buf, request, func);
}
squareCrop(buf: ArrayBuffer, request: RequestOption, func?: AsyncTransform<PixelMap>) {
var imageSource = image.createImageSource(buf);
imageSource.getImageInfo()
.then((p) => {
var pw = p.size.width;
var ph = p.size.height;
var outWidth = request.size.width;
var outHeight = request.size.height;
if (pw < outWidth) {
outWidth = pw;
}
if (ph < outHeight) {
outHeight = ph;
}
var targetSize = outWidth > outHeight ? outHeight : outWidth;
var options = {
editable: true,
rotate: 0,
desiredSize: {
width: outWidth,
height: outHeight
},
desiredRegion: { size: { width: targetSize, height: targetSize },
x: pw / 2 - targetSize / 2,
y: ph / 2 - targetSize / 2,
},
}
imageSource.createPixelMap(options)
.then(data => {
if (func) {
func("", data);
}
})
.catch(e => {
if (func) {
func(Constants.PROJECT_TAG + ";CropSquareTransformation e:" + e, null);
}
})
})
.catch((error) => {
if (func) {
func(Constants.PROJECT_TAG + ";CropSquareTransformation error:" + error, null);
}
})
}
}

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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 {BaseTransform} from "../transform/BaseTransform.ets"
import {AsyncTransform} from "../transform/AsyncTransform.ets"
import {Constants} from "../constants/Constants.ets"
import {RequestOption} from "../../glide/RequestOption.ets"
import {TransformUtils} from "../transform/TransformUtils.ets"
import image from "@ohos.multimedia.image"
export class CropTransformation implements BaseTransform<PixelMap> {
private static TAG: string= "CropCircleTransformation";
private mWidth: number;
private mHeight: number;
private mCropType: CropType= CropType.CENTER;
constructor(width: number, height: number, cropType?: CropType) {
this.mWidth = width;
this.mHeight = height;
this.mCropType = cropType;
}
getName() {
return CropTransformation.TAG + ";mWidth:" + this.mWidth
+ ";mHeight:" + this.mHeight
+ ";mCropType:" + this.mCropType;
}
transform(buf: ArrayBuffer, request: RequestOption, func?: AsyncTransform<PixelMap>) {
if (!buf || buf.byteLength <= 0) {
console.log(Constants.PROJECT_TAG + ";CropTransformation buf is empty");
if (func) {
func(Constants.PROJECT_TAG + ";CropTransformation buf is empty", null);
}
return;
}
var imageSource = image.createImageSource(buf);
TransformUtils.getPixelMapSize(imageSource, (error, size: {
width: number,
height: number
}) => {
if (!size) {
func(error, null)
return;
}
var pixelMapWidth = size.width;
var pixelMapHeight = size.height;
this.mWidth = this.mWidth == 0 ? pixelMapWidth : this.mWidth;
this.mHeight = this.mHeight == 0 ? pixelMapHeight : this.mHeight;
var scaleX = this.mWidth / pixelMapWidth;
var scaleY = this.mHeight / pixelMapHeight;
var scale = Math.max(scaleX, scaleY);
var scaledWidth = scale * pixelMapWidth;
var scaledHeight = scale * pixelMapHeight;
var xx = (this.mWidth - scaledWidth) / 2;
var yy = Math.abs(this.getTop(pixelMapHeight));
var options = {
editable: true,
desiredRegion: { size: { width: this.mWidth, height: this.mHeight },
x: xx,
y: yy,
},
}
imageSource.createPixelMap(options)
.then((data) => {
func("", data);
})
.catch((e) => {
console.log(Constants.PROJECT_TAG + ";error:" + e);
func(e, null);
})
})
}
private getTop(scaledHeight: number): number{
switch (this.mCropType.valueOf()) {
case CropType.TOP.valueOf():
return 0;
case CropType.CENTER.valueOf():
return (this.mHeight - scaledHeight) / 2;
case CropType.BOTTOM.valueOf():
return this.mHeight - scaledHeight;
default:
return 0;
}
}
}
export enum CropType {
TOP,
CENTER,
BOTTOM
}

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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 {BaseTransform} from "../transform/BaseTransform.ets"
import {AsyncTransform} from "../transform/AsyncTransform.ets"
import {Constants} from "../constants/Constants.ets"
import {RequestOption} from "../../glide/RequestOption.ets"
import {TransformUtils} from "../transform/TransformUtils.ets"
import image from "@ohos.multimedia.image"
export class GrayscaleTransformation implements BaseTransform<PixelMap> {
getName() {
return "GrayscaleTransformation:" + this;
}
async transform(buf: ArrayBuffer, request: RequestOption, func?: AsyncTransform<PixelMap>) {
if (!buf || buf.byteLength <= 0) {
console.log(Constants.PROJECT_TAG + ";GrayscaleTransformation buf is empty");
if (func) {
func(Constants.PROJECT_TAG + ";GrayscaleTransformation buf is empty", null);
}
return;
}
var imageSource = image.createImageSource(buf);
let imageInfo = await imageSource.getImageInfo();
let size = {
width: imageInfo.size.width,
height: imageInfo.size.height
}
if (!size) {
func(new Error("GrayscaleTransformation The image size does not exist."), null)
return;
}
var pixelMapWidth = size.width;
var pixelMapHeight = size.height;
var targetWidth = request.size.width;
var targetHeight = request.size.height;
if (pixelMapWidth < targetWidth) {
targetWidth = pixelMapWidth;
}
if (pixelMapHeight < targetHeight) {
targetHeight = pixelMapHeight;
}
var options = {
editable: true,
desiredSize: {
width: targetWidth,
height: targetHeight
}
}
let data = await imageSource.createPixelMap(options);
let readPromise;
let writePromise;
for (let w = 0;w <= targetWidth; w++) {
for (let h = 0;h <= targetHeight; h++) {
var buffer = new ArrayBuffer(5);
readPromise = new Promise<void>((resolve, reject) => {
var positionRen = {
pixels: buffer,
offset: 1,
stride: 1024,
region: { size: { width: 1, height: 1 },
x: w,
y: h
}
}
data.readPixels(positionRen, () => {
resolve();
});
});
await readPromise;
writePromise = new Promise<void>((resolve, reject) => {
var bytes = new Uint8Array(buffer);
var buffer1B = new ArrayBuffer(5);
var bytes1B = new Uint8Array(buffer1B);
var writePositionRenB = {
pixels: buffer1B,
offset: 1,
stride: 1024,
region: { size: { width: 1, height: 1 },
x: w,
y: h
}
}
bytes1B[0] = bytes[0];
bytes1B[1] = this.grayscale(bytes[3], bytes[2], bytes[1]);
bytes1B[2] = this.grayscale(bytes[3], bytes[2], bytes[1]);
bytes1B[3] = this.grayscale(bytes[3], bytes[2], bytes[1]);
bytes1B[4] = bytes[4];
data.writePixels(writePositionRenB, () => {
resolve();
});
})
await writePromise;
}
}
func('',data);
}
/**
* 将读取的像素点的rgb值，全部灰度化，得到灰度图片（黑白图片）加权平均法
*/
private grayscale(r: number, g: number, b: number): number{
return (r * 28 + g * 151 + b * 77) >> 8;
}
}

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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 {BaseTransform} from "../transform/BaseTransform.ets"
import {AsyncTransform} from "../transform/AsyncTransform.ets"
import {Constants} from "../constants/Constants.ets"
import {RequestOption} from "../../glide/RequestOption.ets"
import image from "@ohos.multimedia.image"
/**
** Image inversion is particularly useful for enhancing white or gray detail in
* dark areas of an embedded image, especially when black areas dominate in size.The formula for image inversion is as follows:
* Reverse Formula
* s=L-l-r;
* Where, s is the gray level value of a point in the inverted target image, r is the gray level value of the corresponding point in the original image, and L is the number of gray levels.
*/
export class InvertFilterTransformation implements BaseTransform<PixelMap> {
getName() {
return "InvertFilterTransformation";
}
async transform(buf: ArrayBuffer, request: RequestOption, func?: AsyncTransform<PixelMap>) {
if (!buf || buf.byteLength <= 0) {
console.log(Constants.PROJECT_TAG + ";InvertFilterTransformation buf is empty");
if (func) {
func(Constants.PROJECT_TAG + ";InvertFilterTransformation buf is empty", null);
}
return;
}
var imageSource = image.createImageSource(buf);
let imageInfo = await imageSource.getImageInfo();
let size = {
width: imageInfo.size.width,
height: imageInfo.size.height
}
if (!size) {
func(new Error("InvertFilterTransformation The image size does not exist."), null)
return;
}
var pixelMapWidth = size.width;
var pixelMapHeight = size.height;
var targetWidth = request.size.width;
var targetHeight = request.size.height;
if (pixelMapWidth < targetWidth) {
targetWidth = pixelMapWidth;
}
if (pixelMapHeight < targetHeight) {
targetHeight = pixelMapHeight;
}
var options = {
editable: true,
desiredSize: {
width: targetWidth,
height: targetHeight
}
}
let data = await imageSource.createPixelMap(options);
let readPromise;
let writePromise;
for (let w = 0;w <= targetWidth; w++) {
for (let h = 0;h <= targetHeight; h++) {
var buffer = new ArrayBuffer(5);
readPromise = new Promise<void>((resolve, reject) => {
var positionRen = {
pixels: buffer,
offset: 1,
stride: 1024,
region: { size: { width: 1, height: 1 },
x: w,
y: h
}
}
data.readPixels(positionRen, () => {
resolve();
});
});
await readPromise;
writePromise = new Promise<void>((resolve, reject) => {
var bytes = new Uint8Array(buffer);
var buffer1B = new ArrayBuffer(5);
var bytes1B = new Uint8Array(buffer1B);
var writePositionRenB = {
pixels: buffer1B,
offset: 1,
stride: 1024,
region: { size: { width: 1, height: 1 },
x: w,
y: h
}
}
bytes1B[0] = bytes[0];
bytes1B[1] = this.checkVisAble(255 - bytes[1]);
bytes1B[2] = this.checkVisAble(255 - bytes[2]);
bytes1B[3] = this.checkVisAble(255 - bytes[3]);
bytes1B[4] = bytes[4];
data.writePixels(writePositionRenB, () => {
resolve();
});
})
await writePromise;
}
}
func("", data);
}
private checkVisAble(input: number) {
if (input > 255) {
input = 255;
}
if (input <= 0) {
input = 0;
}
return input;
}
}

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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 {BaseTransform} from "../transform/BaseTransform.ets"
import {AsyncTransform} from "../transform/AsyncTransform.ets"
import {Constants} from "../constants/Constants.ets"
import {RequestOption} from "../../glide/RequestOption.ets"
import {TransformUtils} from "../transform/TransformUtils.ets"
import image from "@ohos.multimedia.image"
import {pixelUtils} from "../utils/PixelUtils"
/**
* Applies a Pixelation effect to the image.
* The pixel with a default of 10.0.
*/
export class PixelationFilterTransformation implements BaseTransform<PixelMap> {
private _mPixel: number= 10.0;
constructor(pixel?: number) {
if (pixel) {
this._mPixel = pixel;
}
}
getName() {
return "PixelationFilterTransformation" + this._mPixel;
}
transform(buf: ArrayBuffer, request: RequestOption, func?: AsyncTransform<PixelMap>) {
if (!buf || buf.byteLength <= 0) {
console.log(Constants.PROJECT_TAG + ";PixelationFilterTransformation buf is empty");
if (func) {
func(Constants.PROJECT_TAG + ";PixelationFilterTransformation buf is empty", null);
}
return;
}
var imageSource = image.createImageSource(buf);
TransformUtils.getPixelMapSize(imageSource, (error, size: {
width: number,
height: number
}) => {
if (!size) {
func(error, null)
return;
}
var pixelMapWidth = size.width;
var pixelMapHeight = size.height;
var targetWidth = request.size.width;
var targetHeight = request.size.height;
if (pixelMapWidth < targetWidth) {
targetWidth = pixelMapWidth;
}
if (pixelMapHeight < targetHeight) {
targetHeight = pixelMapHeight;
}
var options = {
editable: true,
desiredSize: {
width: targetWidth,
height: targetHeight
}
}
imageSource.createPixelMap(options)
.then((data) => {
pixelUtils.pixel(data, this._mPixel, func);
})
.catch((e) => {
console.log(Constants.PROJECT_TAG + ";error:" + e);
func(e, null);
})
})
}
}

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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 {BaseTransform} from "../transform/BaseTransform.ets"
import {AsyncTransform} from "../transform/AsyncTransform.ets"
import {Constants} from "../constants/Constants.ets"
import {RequestOption} from "../../glide/RequestOption.ets"
import {TransformUtils} from "../transform/TransformUtils.ets"
import image from "@ohos.multimedia.image"
export class RotateImageTransformation implements BaseTransform<PixelMap> {
private mDegreesToRotate: number;
constructor(degreesToRotate: number) {
this.mDegreesToRotate = degreesToRotate;
}
getName() {
return "RotateImageTransformation" + ";degreesToRotate:" + this.mDegreesToRotate;
}
transform(buf: ArrayBuffer, request: RequestOption, func?: AsyncTransform<PixelMap>) {
if (!buf || buf.byteLength <= 0) {
console.log(Constants.PROJECT_TAG + ";RotateImageTransformation buf is empty");
if (func) {
func(Constants.PROJECT_TAG + ";RotateImageTransformation buf is empty", null);
}
return;
}
var imageSource = image.createImageSource(buf);
TransformUtils.getPixelMapSize(imageSource, (error, size: {
width: number,
height: number
}) => {
if (!size) {
func(error, null)
return;
}
var pixelMapWidth = size.width;
var pixelMapHeight = size.height;
var targetWidth = request.size.width;
var targetHeight = request.size.height;
if (pixelMapWidth < targetWidth) {
targetWidth = pixelMapWidth;
}
if (pixelMapHeight < targetHeight) {
targetHeight = pixelMapHeight;
}
var options = {
editable: true,
rotate: this.mDegreesToRotate%360,
desiredSize: {
width: targetWidth,
height: targetHeight
}
}
imageSource.createPixelMap(options)
.then((data) => {
func("", data);
})
.catch((e) => {
console.log(Constants.PROJECT_TAG + ";error:" + e);
func(e, null);
})
})
}
}

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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 {BaseTransform} from "../transform/BaseTransform.ets"
import {AsyncTransform} from "../transform/AsyncTransform.ets"
import {ArcPoint} from "../entry/ArcPoint.ets"
import {Constants} from "../constants/Constants.ets"
import {RequestOption} from "../../glide/RequestOption.ets"
import {TransformUtils} from "../transform/TransformUtils.ets"
import image from "@ohos.multimedia.image"
export class RoundedCornersTransformation implements BaseTransform<PixelMap> {
private mTop_left: number= 0;
private mTop_right: number= 0;
private mBottom_left: number= 0;
private mBottom_right: number= 0;
private mTransform_pixelMap: any;
private mPoint: ArcPoint[];
constructor(value: {
top_left?: number,
top_right?: number,
bottom_left?: number,
bottom_right?: number
}) {
this.mTop_left = value.top_left;
this.mTop_right = value.top_right;
this.mBottom_left = value.bottom_left;
this.mBottom_right = value.bottom_right;
}
getName() {
return "RoundedCornersTransformation" + ";mTop_left:" + this.mTop_left
+ ";mTop_right:" + this.mTop_right
+ ";mBottom_left:" + this.mBottom_left
+ ";mBottom_right:" + this.mBottom_right
}
transform(buf: ArrayBuffer, request: RequestOption, func?: AsyncTransform<PixelMap>) {
if (!buf || buf.byteLength <= 0) {
console.log(Constants.PROJECT_TAG + ";RoundedCornersTransformation buf is empty");
if (func) {
func(Constants.PROJECT_TAG + ";RoundedCornersTransformation buf is empty", null);
}
return;
}
var imageSource = image.createImageSource(buf);
var that = this;
TransformUtils.getPixelMapSize(imageSource, (error, size: {
width: number,
height: number
}) => {
if (!size) {
func(error, null)
return;
}
var pixelMapWidth = size.width;
var pixelMapHeight = size.height;
var targetWidth = request.size.width;
var targetHeight = request.size.height;
if (pixelMapWidth < targetWidth) {
targetWidth = pixelMapWidth;
}
if (pixelMapHeight < targetHeight) {
targetHeight = pixelMapHeight;
}
that.transformPixelMap(imageSource, targetWidth, targetHeight, func);
})
}
private transformPixelMap(imageSource: any, outWith: number, outHeight: number, func?: AsyncTransform<PixelMap>) {
var options = {
editable: true,
desiredSize: {
width: outWith,
height: outHeight
}
}
imageSource.createPixelMap(options)
.then((pixelMap) => {
this.mTransform_pixelMap = pixelMap;
this.mTransform_pixelMap.getImageInfo()
.then((data) => {
let width = data.size.width;
let height = data.size.height;
if (this.mTop_left > 0) {
this.top_left_corners();
}
if (this.mTop_right > 0) {
this.top_right_corners(width);
}
if (this.mBottom_left > 0) {
this.bottom_left_corners(width, height);
}
if (this.mBottom_right > 0) {
this.bottom_right_corners(width, height);
}
if (func) {
func("", this.mTransform_pixelMap);
}
})
.catch((error) => {
console.log(Constants.PROJECT_TAG + "RoundedCornersTransformation error:" + error);
});
})
.catch((e) => {
console.log(Constants.PROJECT_TAG + ";error:" + e);
if (func) {
func(e, null);
}
})
}
private top_left_corners() {
this.mPoint = new Array<ArcPoint>();
for (var time = 180; time < 270; time++) {
var hudu = (2 * Math.PI / 360) * time;
var x = this.mTop_left + Math.sin(hudu) * this.mTop_left;
var y = this.mTop_left + Math.cos(hudu) * this.mTop_left;
this.mPoint.push(new ArcPoint(x, y));
}
this.hand_pixel_point(this.mPoint);
}
private top_right_corners(width: number) {
this.mPoint = new Array<ArcPoint>();
for (var time = 0; time < 90; time++) {
var hudu = (2 * Math.PI / 360) * time;
var x = (width - this.mTop_right) + Math.cos(hudu) * this.mTop_right;
var y = this.mTop_right - Math.sin(hudu) * this.mTop_right;
this.mPoint.push(new ArcPoint(x, y));
}
this.hand_right_pixel_point(this.mPoint, width);
}
private bottom_left_corners(width: number, height: number) {
this.mPoint = new Array<ArcPoint>();
for (var time = 90; time < 180; time++) {
var hudu = (2 * Math.PI / 360) * time;
var x = this.mBottom_left + Math.cos(hudu) * this.mBottom_left;
var y = height - this.mBottom_left + Math.sin(hudu) * this.mBottom_left;
this.mPoint.push(new ArcPoint(x, y));
}
this.hand_pixel_point(this.mPoint);
}
private bottom_right_corners(width: number, height: number) {
this.mPoint = new Array<ArcPoint>();
for (var time = 0; time < 90; time++) {
var hudu = (2 * Math.PI / 360) * time;
var x = width - this.mBottom_right + Math.cos(hudu) * this.mBottom_right;
var y = height - this.mBottom_right + Math.sin(hudu) * this.mBottom_right;
this.mPoint.push(new ArcPoint(x, y));
}
this.hand_right_pixel_point(this.mPoint, width);
}
private hand_pixel_point(points: ArcPoint[]) {
for (var index = 0; index < points.length; index++) {
const element = points[index];
let x = element.getX();
let y = element.getY();
for (var i = 0; i <= x; i++) {
var buffer1 = new ArrayBuffer(5);
var bytes1 = new Uint8Array(buffer1);
var writePositionRen = {
pixels: buffer1,
offset: 1,
stride: 1024,
region: { size: { width: 1, height: 1 },
x: i,
y: y
}
}
for (let j = 0;j < 5; j++) {
bytes1[j] = 0;
}
this.mTransform_pixelMap.writePixels(writePositionRen);
}
}
}
private hand_right_pixel_point(points: ArcPoint[], width: number) {
for (var index = 0; index < points.length; index++) {
const element = points[index];
let x = element.getX();
let y = element.getY();
for (var i = x; i <= width; i++) {
var buffer1 = new ArrayBuffer(5);
var bytes1 = new Uint8Array(buffer1);
var writePositionRen = {
pixels: buffer1,
offset: 0,
stride: 4,
region: { size: { width: 1, height: 1 },
x: i,
y: y
}
}
for (let j = 0;j < 5; j++) {
bytes1[j] = 0;
}
this.mTransform_pixelMap.writePixels(writePositionRen);
}
}
}
}

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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 {BaseTransform} from "../transform/BaseTransform.ets"
import {AsyncTransform} from "../transform/AsyncTransform.ets"
import {Constants} from "../constants/Constants.ets"
import {RequestOption} from "../../glide/RequestOption.ets"
import image from "@ohos.multimedia.image"
/**
* Applies a simple sepia effect.
* <p>
* The intensity with a default of 1.0.
*/
export class SepiaFilterTransformation implements BaseTransform<PixelMap> {
getName() {
return "SepiaFilterTransformation";
}
async transform(buf: ArrayBuffer, request: RequestOption, func?: AsyncTransform<PixelMap>) {
if (!buf || buf.byteLength <= 0) {
console.log(Constants.PROJECT_TAG + ";SepiaFilterTransformation buf is empty");
if (func) {
func(Constants.PROJECT_TAG + ";SepiaFilterTransformation buf is empty", null);
}
return;
}
var imageSource = image.createImageSource(buf);
let imageInfo = await imageSource.getImageInfo();
let size = {
width: imageInfo.size.width,
height: imageInfo.size.height
}
if (!size) {
func(new Error("SepiaFilterTransformation The image size does not exist."), null)
return;
}
var pixelMapWidth = size.width;
var pixelMapHeight = size.height;
var targetWidth = request.size.width;
var targetHeight = request.size.height;
if (pixelMapWidth < targetWidth) {
targetWidth = pixelMapWidth;
}
if (pixelMapHeight < targetHeight) {
targetHeight = pixelMapHeight;
}
var options = {
editable: true,
desiredSize: {
width: targetWidth,
height: targetHeight
}
}
let data = await imageSource.createPixelMap(options);
let readPromise;
let writePromise;
for (let w = 0;w <= targetWidth; w++) {
for (let h = 0;h <= targetHeight; h++) {
var buffer = new ArrayBuffer(5);
readPromise = new Promise<void>((resolve, reject) => {
var positionRen = {
pixels: buffer,
offset: 1,
stride: 1024,
region: { size: { width: 1, height: 1 },
x: w,
y: h
}
}
data.readPixels(positionRen, () => {
resolve();
});
});
await readPromise;
writePromise = new Promise<void>((resolve, reject) => {
var bytes = new Uint8Array(buffer);
var buffer1B = new ArrayBuffer(5);
var bytes1B = new Uint8Array(buffer1B);
var writePositionRenB = {
pixels: buffer1B,
offset: 1,
stride: 1024,
region: { size: { width: 1, height: 1 },
x: w,
y: h
}
}
bytes1B[0] = bytes[0];
bytes1B[1] = this.checkVisAble(this.colorBlend(this.noise()
, (bytes[3] * 0.272) + (bytes[2] * 0.534) + (bytes[1] * 0.131)
, bytes[1]));
bytes1B[2] = this.checkVisAble(this.colorBlend(this.noise()
, (bytes[3] * 0.349) + (bytes[2] * 0.686) + (bytes[1] * 0.168)
, bytes[2]));
bytes1B[3] = this.checkVisAble(this.colorBlend(this.noise()
, (bytes[3] * 0.393) + (bytes[2] * 0.769) + (bytes[1] * 0.189)
, bytes[3]));
bytes1B[4] = bytes[4];
data.writePixels(writePositionRenB, () => {
resolve();
});
})
await writePromise;
}
}
func("", data);
}
private checkVisAble(input: number) {
if (input > 255) {
input = 255;
}
if (input <= 0) {
input = 0;
}
return input;
}
private colorBlend(scale: number, dest: number, src: number): number {
return (scale * dest + (1.0 - scale) * src);
}
private noise(): number {
return Math.random() * 0.5 + 0.5;
}
}

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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 {BaseTransform} from '../transform/BaseTransform.ets'
import {AsyncTransform} from '../transform/AsyncTransform.ets'
import {Constants} from '../constants/Constants.ets'
import {RequestOption} from '../../glide/RequestOption.ets'
import {TransformUtils} from '../transform/TransformUtils.ets'
import image from '@ohos.multimedia.image'
import {CalculatePixelUtils} from '../utils/CalculatePixelUtils'
export class SketchFilterTransformation implements BaseTransform<PixelMap> {
getName() {
return 'SketchFilterTransformation';
}
transform(buf: ArrayBuffer, request: RequestOption, func?: AsyncTransform<PixelMap>) {
if (!buf || buf.byteLength <= 0) {
throw new Error(Constants.PROJECT_TAG + ';SketchFilterTransformation buf is empty');
if (func) {
func(Constants.PROJECT_TAG + ';SketchFilterTransformation buf is empty', null);
}
return;
}
var imageSource = image.createImageSource(buf);
TransformUtils.getPixelMapSize(imageSource, (error, size: {
width: number,
height: number
}) => {
if (!size) {
func(error, null)
return;
}
var pixelMapWidth = size.width;
var pixelMapHeight = size.height;
var targetWidth = request.size.width;
var targetHeight = request.size.height;
if (pixelMapWidth < targetWidth) {
targetWidth = pixelMapWidth;
}
if (pixelMapHeight < targetHeight) {
targetHeight = pixelMapHeight;
}
var options = {
editable: true,
desiredSize: {
width: targetWidth,
height: targetHeight
}
}
imageSource.createPixelMap(options)
.then((data) => {
CalculatePixelUtils.sketch(data, func);
})
.catch((e) => {
func(e, null);
})
})
}
}

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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 {AsyncTransform} from '../transform/AsyncTransform.ets'
import image from '@ohos.multimedia.image'
export class TransformUtils {
static centerCrop(buf: ArrayBuffer, outWidth: number, outHeihgt: number,
callback?: AsyncTransform<Promise<PixelMap>>) {
var imageSource = image.createImageSource(buf);
imageSource.getImageInfo()
.then((p) => {
var sw;
var sh;
var scale;
var pw = p.size.width;
var ph = p.size.height;
if (pw == outWidth && ph == outHeihgt) {
sw = outWidth;
sh = outHeihgt;
} else {
if (pw * outHeihgt > outWidth * ph) {
scale = outHeihgt / ph;
} else {
scale = outWidth / pw;
}
sw = pw * scale;
sh = ph * scale;
}
var options = {
editable: true,
rotate: 0,
desiredRegion: { size: { width: sw, height: sh },
x: pw / 2 - sw / 2,
y: ph / 2 - sh / 2,
},
}
if (callback) {
callback('', imageSource.createPixelMap(options));
}
})
.catch((error) => {
callback(error, null);
})
}
static rotateImage(buf: ArrayBuffer, degreesToRotate: number): Promise<PixelMap>{
var imageSource = image.createImageSource(buf);
var options = {
editable: true,
rotate: degreesToRotate
}
return imageSource.createPixelMap(options);
}
static centerInside(buf: ArrayBuffer, outWidth: number, outHeihgt: number,
callback?: AsyncTransform<Promise<PixelMap>>) {
var imageSource = image.createImageSource(buf);
imageSource.getImageInfo()
.then((p) => {
var pw = p.size.width;
var ph = p.size.height;
if (pw <= outWidth && ph <= outHeihgt) {
callback('', imageSource.createPixelMap());
} else {
this.fitCenter(buf, outWidth, outHeihgt, callback);
}
})
.catch((error) => {
callback(error, null);
})
}
static fitCenter(buf: ArrayBuffer, outWidth: number, outHeihgt: number
, callback?: AsyncTransform<Promise<PixelMap>>) {
var imageSource = image.createImageSource(buf);
imageSource.getImageInfo()
.then((p) => {
var pw = p.size.width;
var ph = p.size.height;
var widthPercentage = outWidth / pw;
var heightPercentage = outHeihgt / ph;
var minPercentage = Math.min(widthPercentage, heightPercentage);
var targetWidth = Math.round(minPercentage * pw);
var targetHeight = Math.round(minPercentage * ph);
if (pw == targetWidth && ph == targetHeight) {
targetWidth = pw;
targetHeight = ph;
} else {
targetWidth = minPercentage * pw;
targetHeight = minPercentage * ph;
}
var options = {
editable: true,
rotate: 0,
desiredSize: { width: targetWidth, height: targetHeight }
}
if (callback) {
callback('', imageSource.createPixelMap(options));
}
})
.catch(e => {
if (callback) {
callback(e, null);
}
})
}
static getPixelMapSize(imageSource: any, func: AsyncTransform<{
width: number,
height: number
}>) {
if (!imageSource) {
return;
}
imageSource.getImageInfo((err, value) => {
if (err) {
func(err, null)
return;
}
var pWidth = value.size.width;
var pHeight = value.size.height;
func('', { width: pWidth, height: pHeight });
})
}
}

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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 {BaseTransform} from '../BaseTransform.ets'
import {AsyncTransform} from '../AsyncTransform.ets'
import {Constants} from '../../constants/Constants.ets'
import {TransformUtils} from '../TransformUtils.ets'
import {RequestOption} from '../../../glide/RequestOption.ets'
export class CenterCrop implements BaseTransform<PixelMap> {
getName() {
return 'CenterCrop:' + this;
}
transform(buf: ArrayBuffer, request: RequestOption, func?: AsyncTransform<PixelMap>) {
if (!buf || buf.byteLength <= 0) {
throw new Error(Constants.PROJECT_TAG + ';CenterCrop buf is empty');
if (func) {
func(Constants.PROJECT_TAG + ';CenterCrop buf is empty', null);
}
return;
}
TransformUtils.centerCrop(buf, request.size.width, request.size.height, (error, data) => {
data.then(p => {
func('', p);
}).catch(e => {
func(Constants.PROJECT_TAG + ';CenterCrop error:' + e, null);
})
})
}
}

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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 {BaseTransform} from '../BaseTransform.ets'
import {AsyncTransform} from '../AsyncTransform.ets'
import {Constants} from '../../constants/Constants.ets'
import {TransformUtils} from '../TransformUtils.ets'
import {RequestOption} from '../../../glide/RequestOption.ets'
export class CenterInside implements BaseTransform<PixelMap> {
getName() {
return 'CenterInside:' + this;
}
transform(buf: ArrayBuffer, request: RequestOption, func?: AsyncTransform<PixelMap>) {
if (!buf || buf.byteLength <= 0) {
throw new Error(Constants.PROJECT_TAG + ';CenterInside buf is empty');
if (func) {
func(Constants.PROJECT_TAG + ';CenterInside buf is empty', null);
}
return;
}
TransformUtils.centerInside(buf, request.size.width, request.size.height, (error, data) => {
data.then(p => {
func('', p);
}).catch(e => {
func(Constants.PROJECT_TAG + ';CenterInside error:' + e, null);
})
})
}
}

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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 {BaseTransform} from '../BaseTransform.ets'
import {AsyncTransform} from '../AsyncTransform.ets'
import {Constants} from '../../constants/Constants.ets'
import {TransformUtils} from '../TransformUtils.ets'
import {RequestOption} from '../../../glide/RequestOption.ets'
export class FitCenter implements BaseTransform<PixelMap> {
getName() {
return 'FitCenter:' + this;
}
transform(buf: ArrayBuffer, request: RequestOption, func?: AsyncTransform<PixelMap>) {
if (!buf || buf.byteLength <= 0) {
throw new Error(Constants.PROJECT_TAG + ';FitCenter buf is empty');
if (func) {
func(Constants.PROJECT_TAG + ';FitCenter buf is empty', null);
}
return;
}
TransformUtils.fitCenter(buf, request.size.width, request.size.height, (error, data) => {
data.then(p => {
func('', p);
}).catch(e => {
func(Constants.PROJECT_TAG + ';FitCenter error:' + e, null);
})
})
}
}

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import {PixelEntry} from "../entry/PixelEntry"
import {AsyncTransform} from "../transform/AsyncTransform"
import {ColorUtils} from "./ColorUtils"
export namespace CalculatePixelUtils {
export async function sketch(p: any, func: AsyncTransform<PixelMap>) {
let imageInfo = await p.getImageInfo();
let size = {
width: imageInfo.size.width,
height: imageInfo.size.height
}
if (!size) {
func(new Error("sketch The image size does not exist."), null)
return;
}
let pos, row, col, clr: number;
let width = size.width;
let height = size.height;
var pixEntry: Array<PixelEntry> = new Array()
var pixSrc: Array<number> = new Array()
var pixNvt: Array<number> = new Array()
let readPromise;
let writePromise;
for (let h = 0; h < height; h++) {
for (let w = 0; w < width; w++) {
let buffer = new ArrayBuffer(5);
readPromise = new Promise<void>((resolve, reject) => {
var positionRen = {
pixels: buffer,
offset: 1,
stride: 1024,
region: { size: { width: 1, height: 1 },
x: w,
y: h
}
}
p.readPixels(positionRen, () => {
resolve();
});
});
await readPromise;
let bytes = new Uint8Array(buffer);
let entry = new PixelEntry();
entry.a = bytes[0];
entry.b = bytes[1];
entry.g = bytes[2];
entry.r = bytes[3];
entry.f = bytes[4];
entry.pixel = ColorUtils.rgb(entry.r, entry.g, entry.b);
pixEntry.push(entry);
pixSrc.push(ColorUtils.rgb(entry.r, entry.g, entry.b));
pixNvt.push(0);
}
}
for (row = 0; row < height; row++) {
for (col = 0; col < width; col++) {
pos = row * width + col;
pixSrc[pos] = (pixEntry[pos].r + pixEntry[pos].g + pixEntry[pos].b) / 3;
pixNvt[pos] = 255 - pixSrc[pos];
}
}
// 对取反的像素进行高斯模糊, 强度可以设置，暂定为5.0
gaussGray(pixNvt, 5.0, 5.0, width, height);
// 灰度颜色和模糊后像素进行差值运算
for (row = 0; row < height; row++) {
for (col = 0; col < width; col++) {
pos = row * width + col;
clr = pixSrc[pos] << 8;
clr /= 256 - pixNvt[pos];
clr = Math.min(clr, 255);
pixSrc[pos] = ColorUtils.rgb(clr, clr, clr);
}
}
for (let m = 0;m < height; m++) { //y
for (let n = 0;n < width; n++) { //x
writePromise = new Promise<void>((resolve, reject) => {
let buffer1B = new ArrayBuffer(5);
let bytes1B = new Uint8Array(buffer1B);
var writePositionRenB = {
pixels: buffer1B,
offset: 1,
stride: 1024,
region: { size: { width: 1, height: 1 },
x: n,
y: m
}
}
let index = m * width + n;
bytes1B[0] = pixEntry[m * width + n].a;
bytes1B[1] = ColorUtils.blue(pixSrc[index]);
bytes1B[2] = ColorUtils.green(pixSrc[index]);
bytes1B[3] = ColorUtils.red(pixSrc[index]);
bytes1B[4] = pixEntry[m * width + n].f;
p.writePixels(writePositionRenB, () => {
resolve();
});
})
await writePromise;
}
}
func("success", p);
}
function gaussGray(psrc: Array<number>, horz: number, vert: number,
width: number, height: number): number {
let dst, src, n_p, n_m, d_p, d_m, bd_p, bd_m, val_p, val_m, initial_p, initial_m: Array<number>;
let i, j, t, k, row, col, terms, std_dev, sp_p_idx, sp_m_idx, vp_idx, vm_idx: number;
let row_stride = width;
let max_len = Math.max(width, height);
val_p = createIntArray(max_len);
val_m = createIntArray(max_len);
n_p = createIntArray(5);
n_m = createIntArray(5);
d_p = createIntArray(5);
d_m = createIntArray(5);
bd_p = createIntArray(5);
bd_m = createIntArray(5);
src = createIntArray(max_len);
dst = createIntArray(max_len);
initial_p = createIntArray(4);
initial_m = createIntArray(4);
// 垂直方向
if (vert > 0.0) {
vert = Math.abs(vert) + 1.0;
std_dev = Math.sqrt(-(vert * vert) / (2 * Math.log(1.0 / 255.0)));
// 初试化常量
findConstants(n_p, n_m, d_p, d_m, bd_p, bd_m, std_dev);
for (col = 0; col < width; col++) {
for (k = 0; k < max_len; k++) {
val_m[k] = val_p[k] = 0;
}
for (t = 0; t < height; t++) {
src[t] = psrc[t * row_stride + col];
}
sp_p_idx = 0;
sp_m_idx = height - 1;
vp_idx = 0;
vm_idx = height - 1;
initial_p[0] = src[0];
initial_m[0] = src[height - 1];
for (row = 0; row < height; row++) {
terms = (row < 4) ? row : 4;
for (i = 0; i <= terms; i++) {
val_p[vp_idx] += n_p[i] * src[sp_p_idx - i] - d_p[i]
* val_p[vp_idx - i];
val_m[vm_idx] += n_m[i] * src[sp_m_idx + i] - d_m[i]
* val_m[vm_idx + i];
}
for (j = i; j <= 4; j++) {
val_p[vp_idx] += (n_p[j] - bd_p[j]) * initial_p[0];
val_m[vm_idx] += (n_m[j] - bd_m[j]) * initial_m[0];
}
sp_p_idx++;
sp_m_idx--;
vp_idx++;
vm_idx--;
}
transferGaussPixels(val_p, val_m, dst, 1, height);
for (t = 0; t < height; t++) {
psrc[t * row_stride + col] = dst[t];
}
}
}
// 水平方向
if (horz > 0.0) {
horz = Math.abs(horz) + 1.0;
if (horz != vert) {
std_dev = Math.sqrt(-(horz * horz)
/ (2 * Math.log(1.0 / 255.0)));
// 初试化常量
findConstants(n_p, n_m, d_p, d_m, bd_p, bd_m, std_dev);
}
for (row = 0; row < height; row++) {
for (k = 0; k < max_len; k++) {
val_m[k] = val_p[k] = 0;
}
for (t = 0; t < width; t++) {
src[t] = psrc[row * row_stride + t];
}
sp_p_idx = 0;
sp_m_idx = width - 1;
vp_idx = 0;
vm_idx = width - 1;
initial_p[0] = src[0];
initial_m[0] = src[width - 1];
for (col = 0; col < width; col++) {
terms = (col < 4) ? col : 4;
for (i = 0; i <= terms; i++) {
val_p[vp_idx] += n_p[i] * src[sp_p_idx - i] - d_p[i]
* val_p[vp_idx - i];
val_m[vm_idx] += n_m[i] * src[sp_m_idx + i] - d_m[i]
* val_m[vm_idx + i];
}
for (j = i; j <= 4; j++) {
val_p[vp_idx] += (n_p[j] - bd_p[j]) * initial_p[0];
val_m[vm_idx] += (n_m[j] - bd_m[j]) * initial_m[0];
}
sp_p_idx++;
sp_m_idx--;
vp_idx++;
vm_idx--;
}
transferGaussPixels(val_p, val_m, dst, 1, width);
for (t = 0; t < width; t++) {
psrc[row * row_stride + t] = dst[t];
}
}
}
return 0;
}
function findConstants(n_p: Array<number>, n_m: Array<number>, d_p: Array<number>,
d_m: Array<number>, bd_p: Array<number>
, bd_m: Array<number>, std_dev: number) {
let div = Math.sqrt(2 * 3.141593) * std_dev;
let x0 = -1.783 / std_dev;
let x1 = -1.723 / std_dev;
let x2 = 0.6318 / std_dev;
let x3 = 1.997 / std_dev;
let x4 = 1.6803 / div;
let x5 = 3.735 / div;
let x6 = -0.6803 / div;
let x7 = -0.2598 / div;
let i;
n_p[0] = x4 + x6;
n_p[1] = (Math.exp(x1)
* (x7 * Math.sin(x3) - (x6 + 2 * x4) * Math.cos(x3)) + Math
.exp(x0) * (x5 * Math.sin(x2) - (2 * x6 + x4) * Math.cos(x2)));
n_p[2] = (2
* Math.exp(x0 + x1)
* ((x4 + x6) * Math.cos(x3) * Math.cos(x2) - x5 * Math.cos(x3)
* Math.sin(x2) - x7 * Math.cos(x2) * Math.sin(x3)) + x6
* Math.exp(2 * x0) + x4 * Math.exp(2 * x1));
n_p[3] = (Math.exp(x1 + 2 * x0)
* (x7 * Math.sin(x3) - x6 * Math.cos(x3)) + Math.exp(x0 + 2
* x1)
* (x5 * Math.sin(x2) - x4 * Math.cos(x2)));
n_p[4] = 0.0;
d_p[0] = 0.0;
d_p[1] = -2 * Math.exp(x1) * Math.cos(x3) - 2 * Math.exp(x0)
* Math.cos(x2);
d_p[2] = 4 * Math.cos(x3) * Math.cos(x2) * Math.exp(x0 + x1)
+ Math.exp(2 * x1) + Math.exp(2 * x0);
d_p[3] = -2 * Math.cos(x2) * Math.exp(x0 + 2 * x1) - 2 * Math.cos(x3)
* Math.exp(x1 + 2 * x0);
d_p[4] = Math.exp(2 * x0 + 2 * x1);
for (i = 0; i <= 4; i++) {
d_m[i] = d_p[i];
}
n_m[0] = 0.0;
for (i = 1; i <= 4; i++) {
n_m[i] = n_p[i] - d_p[i] * n_p[0];
}
let sum_n_p, sum_n_m, sum_d, a, b: number;
sum_n_p = 0.0;
sum_n_m = 0.0;
sum_d = 0.0;
for (i = 0; i <= 4; i++) {
sum_n_p += n_p[i];
sum_n_m += n_m[i];
sum_d += d_p[i];
}
a = sum_n_p / (1.0 + sum_d);
b = sum_n_m / (1.0 + sum_d);
for (i = 0; i <= 4; i++) {
bd_p[i] = d_p[i] * a;
bd_m[i] = d_m[i] * b;
}
}
function transferGaussPixels(src1: Array<number>, src2: Array<number>,
dest: Array<number>, bytes: number, width: number) {
let i, j, k, b, sum: number;
let bend = bytes * width;
i = j = k = 0;
for (b = 0; b < bend; b++) {
sum = src1[i++] + src2[j++];
if (sum > 255)
sum = 255;
else if (sum < 0)
sum = 0;
dest[k++] = sum;
}
}
export function createIntArray(len: number): Array<number> {
let array = new Array<number>();
for (var index = 0; index < len; index++) {
array.push(0);
}
return array;
}
export function createInt2DArray(first_len: number, second_len: number): Array<Array<number>> {
let array = new Array<Array<number>>();
for (let f = 0; f < first_len; f++) {
let s1 = new Array<number>();
for (let s = 0; s < second_len; s++) {
s1.push(0);
}
array.push(s1);
}
return array;
}
}

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import resmgr from '@ohos.resourceManager'
import {DataCallBack} from "../interface/DataCallBack"
export namespace ColorUtils {
/**
* 本地颜色值解析
* ColorUtils.parseColor("color_name",callback)
*/
export function parseColor(c: string, callback: DataCallBack<string>) {
resmgr.getResourceManager()
.then(result => {
var reColor = 'sys.color.' + c;
result.getString($r(reColor)
.id, (err, color) => {
if (!err) {
var cos = JSON.stringify(color);
callback.callback(cos)
} else {
callback.callback(err.message)
}
});
})
.catch((error) => {
callback.callback(error.message)
})
}
export function red(color: number): number {
return (color >> 16) & 0xFF;
}
export function green(color: number): number {
return (color >> 8) & 0xFF;
}
export function blue(color: number): number {
return color & 0xFF;
}
export function alpha(color: number): number {
return color >>> 24;
}
export function rgb(red: number, green: number, blue: number): number {
return 0xff000000 | (red << 16) | (green << 8) | blue;
}
}

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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 image from "@ohos.multimedia.image"
import {CalculatePixelUtils} from "./CalculatePixelUtils"
import {PixelEntry} from "../entry/PixelEntry"
import {AsyncTransform} from "../transform/AsyncTransform"
import {ColorUtils} from "./ColorUtils"
export namespace fastBlur {
export async function blur(bitmap: any, radius: number, canReuseInBitmap: boolean, func: AsyncTransform<PixelMap>) {
// Stack Blur v1.0 from
// http://www.quasimondo.com/StackBlurForCanvas/StackBlurDemo.html
//
// Java Author: Mario Klingemann <mario at quasimondo.com>
// http://incubator.quasimondo.com
// created Feburary 29, 2004
// Android port : Yahel Bouaziz <yahel at kayenko.com>
// http://www.kayenko.com
// ported april 5th, 2012
// This is a compromise between Gaussian Blur and Box blur
// It creates much better looking blurs than Box Blur, but is
// 7x faster than my Gaussian Blur implementation.
//
// I called it Stack Blur because this describes best how this
// filter works internally: it creates a kind of moving stack
// of colors whilst scanning through the image. Thereby it
// just has to add one new block of color to the right side
// of the stack and remove the leftmost color. The remaining
// colors on the topmost layer of the stack are either added on
// or reduced by one, depending on if they are on the right or
// on the left side of the stack.
//
// If you are using this algorithm in your code please add
// the following line:
//
// Stack Blur Algorithm by Mario Klingemann <mario@quasimondo.com>
if (radius < 1) {
func("error,radius must be greater than 1 ", null);
return;
}
let imageInfo = await bitmap.getImageInfo();
let size = {
width: imageInfo.size.width,
height: imageInfo.size.height
}
if (!size) {
func(new Error("fastBlur The image size does not exist."), null)
return;
}
let w = size.width;
let h = size.height;
var pixEntry: Array<PixelEntry> = new Array()
var pix: Array<number> = new Array()
let readPromise;
let writePromise;
for (let ph = 0; ph < h; ph++) {
for (let pw = 0; pw < w; pw++) {
let buffer = new ArrayBuffer(5);
readPromise = new Promise<void>((resolve, reject) => {
var positionRen = {
pixels: buffer,
offset: 1,
stride: 1024,
region: { size: { width: 1, height: 1 },
x: pw,
y: ph
}
}
bitmap.readPixels(positionRen, () => {
resolve();
});
});
await readPromise;
let bytes = new Uint8Array(buffer);
let entry = new PixelEntry();
entry.a = bytes[0];
entry.b = bytes[1];
entry.g = bytes[2];
entry.r = bytes[3];
entry.f = bytes[4];
entry.pixel = ColorUtils.rgb(entry.r, entry.g, entry.b);
pixEntry.push(entry);
pix.push(ColorUtils.rgb(entry.r, entry.g, entry.b));
}
}
let wm = w - 1;
let hm = h - 1;
let wh = w * h;
let div = radius + radius + 1;
let r = CalculatePixelUtils.createIntArray(wh);
let g = CalculatePixelUtils.createIntArray(wh);
let b = CalculatePixelUtils.createIntArray(wh);
let rsum, gsum, bsum, x, y, i, p, yp, yi, yw: number;
let vmin = CalculatePixelUtils.createIntArray(Math.max(w, h));
let divsum = (div + 1) >> 1;
divsum *= divsum;
let dv = CalculatePixelUtils.createIntArray(256 * divsum);
for (i = 0; i < 256 * divsum; i++) {
dv[i] = (i / divsum);
}
yw = yi = 0;
let stack = CalculatePixelUtils.createInt2DArray(div, 3);
let stackpointer, stackstart, rbs, routsum, goutsum, boutsum, rinsum, ginsum, binsum: number;
let sir: Array<number>;
let r1 = radius + 1;
for (y = 0; y < h; y++) {
rinsum = ginsum = binsum = routsum = goutsum = boutsum = rsum = gsum = bsum = 0;
for (i = -radius; i <= radius; i++) {
p = pix[yi + Math.min(wm, Math.max(i, 0))];
sir = stack[i + radius];
sir[0] = (p & 0xff0000) >> 16;
sir[1] = (p & 0x00ff00) >> 8;
sir[2] = (p & 0x0000ff);
rbs = r1 - Math.abs(i);
rsum += sir[0] * rbs;
gsum += sir[1] * rbs;
bsum += sir[2] * rbs;
if (i > 0) {
rinsum += sir[0];
ginsum += sir[1];
binsum += sir[2];
} else {
routsum += sir[0];
goutsum += sir[1];
boutsum += sir[2];
}
}
stackpointer = radius;
for (x = 0; x < w; x++) {
r[yi] = dv[rsum];
g[yi] = dv[gsum];
b[yi] = dv[bsum];
rsum -= routsum;
gsum -= goutsum;
bsum -= boutsum;
stackstart = stackpointer - radius + div;
sir = stack[stackstart % div];
routsum -= sir[0];
goutsum -= sir[1];
boutsum -= sir[2];
if (y == 0) {
vmin[x] = Math.min(x + radius + 1, wm);
}
p = pix[yw + vmin[x]];
sir[0] = (p & 0xff0000) >> 16;
sir[1] = (p & 0x00ff00) >> 8;
sir[2] = (p & 0x0000ff);
rinsum += sir[0];
ginsum += sir[1];
binsum += sir[2];
rsum += rinsum;
gsum += ginsum;
bsum += binsum;
stackpointer = (stackpointer + 1) % div;
sir = stack[(stackpointer) % div];
routsum += sir[0];
goutsum += sir[1];
boutsum += sir[2];
rinsum -= sir[0];
ginsum -= sir[1];
binsum -= sir[2];
yi++;
}
yw += w;
}
for (x = 0; x < w; x++) {
rinsum = ginsum = binsum = routsum = goutsum = boutsum = rsum = gsum = bsum = 0;
yp = -radius * w;
for (i = -radius; i <= radius; i++) {
yi = Math.max(0, yp) + x;
sir = stack[i + radius];
sir[0] = r[yi];
sir[1] = g[yi];
sir[2] = b[yi];
rbs = r1 - Math.abs(i);
rsum += r[yi] * rbs;
gsum += g[yi] * rbs;
bsum += b[yi] * rbs;
if (i > 0) {
rinsum += sir[0];
ginsum += sir[1];
binsum += sir[2];
} else {
routsum += sir[0];
goutsum += sir[1];
boutsum += sir[2];
}
if (i < hm) {
yp += w;
}
}
yi = x;
stackpointer = radius;
for (y = 0; y < h; y++) {
// Preserve alpha channel: ( 0xff000000 & pix[yi] )
pix[yi] = (0xff000000 & pix[Math.round(yi)]) | (dv[Math.round(rsum)] << 16) | (dv[
Math.round(gsum)] << 8) | dv[Math.round(bsum)];
rsum -= routsum;
gsum -= goutsum;
bsum -= boutsum;
stackstart = stackpointer - radius + div;
sir = stack[stackstart % div];
routsum -= sir[0];
goutsum -= sir[1];
boutsum -= sir[2];
if (x == 0) {
vmin[y] = Math.min(y + r1, hm) * w;
}
p = x + vmin[y];
sir[0] = r[p];
sir[1] = g[p];
sir[2] = b[p];
rinsum += sir[0];
ginsum += sir[1];
binsum += sir[2];
rsum += rinsum;
gsum += ginsum;
bsum += binsum;
stackpointer = (stackpointer + 1) % div;
sir = stack[stackpointer];
routsum += sir[0];
goutsum += sir[1];
boutsum += sir[2];
rinsum -= sir[0];
ginsum -= sir[1];
binsum -= sir[2];
yi += w;
}
}
for (let m = 0;m < h; m++) { //y
for (let n = 0;n < w; n++) { //x
writePromise = new Promise<void>((resolve, reject) => {
let buffer1B = new ArrayBuffer(5);
let bytes1B = new Uint8Array(buffer1B);
var writePositionRenB = {
pixels: buffer1B,
offset: 1,
stride: 1024,
region: { size: { width: 1, height: 1 },
x: n,
y: m
}
}
let index = m * w + n;
bytes1B[0] = pixEntry[m * w + n].a;
bytes1B[1] = ColorUtils.blue(pix[index]);
bytes1B[2] = ColorUtils.green(pix[index]);
bytes1B[3] = ColorUtils.red(pix[index]);
bytes1B[4] = pixEntry[m * w + n].f;
bitmap.writePixels(writePositionRenB, () => {
resolve();
});
})
await writePromise;
}
}
func("success", bitmap);
}
}

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