Pre Merge pull request !210 from 任伟x/master
This commit is contained in:
任伟x
Gitee
commit
e5c7912157
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@ -396,6 +396,14 @@ struct IndexFunctionDemo {
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router.pushUrl({ url: 'pages/testImageKnifeHeic' });
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}).margin({ top: 5, left: 3 })
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}.width('100%').height(60).backgroundColor(Color.Pink)
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Text('测试string类型占位图').fontSize(15)
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Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
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Button('测试string类型占位图以及后备回调符')
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.onClick(() => {
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router.pushUrl({ url: 'pages/testImageKnifeNetPlaceholder' });
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}).margin({ top: 5, left: 3 })
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}.width('100%').height(60).backgroundColor(Color.Pink)
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}
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}
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.width('100%')
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@ -0,0 +1,133 @@
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/*
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* Copyright (C) 2024 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import { ImageKnifeComponent, ImageKnifeOption } from '@ohos/libraryimageknife'
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@Entry
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@Component
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struct testImageKnifeNetPlaceholder {
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@State imageKnifeOption: ImageKnifeOption =
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{
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loadSrc: $r('app.media.icon'),
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placeholderSrc: $r('app.media.icon_loading'),
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errorholderSrc: $r('app.media.icon_failed'),
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};
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@State imageKnifeOption1: ImageKnifeOption =
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{
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loadSrc: $r('app.media.icon'),
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placeholderSrc: $r('app.media.icon_loading'),
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errorholderSrc: $r('app.media.icon_failed'),
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};
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@State imageKnifeOption2: ImageKnifeOption =
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{
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loadSrc: $r('app.media.icon'),
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placeholderSrc: $r('app.media.icon_loading'),
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errorholderSrc: $r('app.media.icon_failed'),
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};
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build() {
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Scroll() {
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Column() {
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Text('string类型占位图支持内存和磁盘读取').fontSize(30);
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Text('验证磁盘有无图片可以先主图缓存一张图片，再退出应用').fontSize(15);
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Text('仅第一次打开应用加载主图可以看到效果，因主图第二次加载速度很快').fontSize(15);
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Row() {
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Button('缓存一张图片作为占位图 图一')
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.onClick(() => {
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this.imageKnifeOption =
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{
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loadSrc: 'https://img-blog.csdn.net/20140514114029140',
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placeholderSrc: $r('app.media.icon_loading'),
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errorholderSrc: $r('app.media.icon_failed'),
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}
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})
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}
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Text('当图一没有展示，会从磁盘中拿占位图').fontSize(15);
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Text('当图一展示时，会从内存中拿占位图，不会走磁盘逻辑').fontSize(15);
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Text('下图展示的为后备回调符的图片').fontSize(15);
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ImageKnifeComponent({ imageKnifeOption: {loadSrc:$r('app.media.mask_starfish')} })
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.width(200)
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.height(200)
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.backgroundColor(Color.Orange)
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Text('下图展示的主图为图二string类型的占位图').fontSize(15);
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Text('图一:').fontSize(20);
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ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption })
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.width(200)
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.height(200)
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.backgroundColor(Color.Orange)
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Row() {
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Button('展示已缓存的占位图')
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.onClick(() => {
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this.imageKnifeOption1 =
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{
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loadSrc : $r('app.media.pngSample'),
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placeholderSrc: 'https://img-blog.csdn.net/20140514114029140',
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fallbackSrc: $r('app.media.mask_starfish'),
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errorholderSrc: $r('app.media.icon_failed'),
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}
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})
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Button('当占位图未缓存时展示后备回调符')
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.onClick(() => {
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this.imageKnifeOption2 =
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{
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loadSrc : $r('app.media.gifSample'),
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placeholderSrc: 'https://img0.baidu.com/it/u=2794536113,2700219306&fm=253&fmt=auto&app=120&f=JPEG?w=500&h=500',
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fallbackSrc: $r('app.media.mask_starfish'),
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errorholderSrc: $r('app.media.icon_failed'),
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}
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})
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}
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Text('展示已缓存的占位图，如图一未加载过则会显示后备回调符').fontSize(15);
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Text('图二:').fontSize(20);
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ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption1 })
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.width(200)
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.height(200)
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.backgroundColor(Color.Orange)
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Text('占位图未缓存展示后备回调符，如图三').fontSize(15);
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Text('图三:').fontSize(20);
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ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption2 })
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.width(200)
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.height(200)
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.backgroundColor(Color.Orange)
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}
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.alignItems(HorizontalAlign.Center)
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.width('100%')
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}
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.width('100%')
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.height('100%')
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}
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aboutToAppear() {
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}
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aboutToDisappear() {
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}
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onBackPress() {
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}
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}
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@ -53,6 +53,7 @@
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"pages/webpImageTestPage",
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"pages/testStopPlayingGifPage",
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"pages/testImageKnifeDataFetch",
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"pages/testImageKnifeHeic"
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"pages/testImageKnifeHeic",
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"pages/testImageKnifeNetPlaceholder"
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]
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}
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@ -479,10 +479,14 @@ export class ImageKnife {
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let placeholderLoadKey = '';
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if (typeof request.placeholderSrc == 'string') {
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placeholderLoadKey = request.placeholderSrc;
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// string类型占位图生成内存缓存源数据key
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request.placeholderRegisterMemoryCacheKey = factories.generateMemoryCacheKey(placeholderLoadKey, size, transformed, dontAnimateFlag, signature);
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// string类型占位图生成磁盘缓存源数据key 原始数据保存在磁盘
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request.placeholderRegisterCacheKey = factories.generateOriginalDiskCacheKey(placeholderLoadKey, signature);
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} else {
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placeholderLoadKey = JSON.stringify(request.placeholderSrc);
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request.placeholderCacheKey = this.generateCacheKey(placeholderLoadKey, size, dontAnimateFlag, signature);
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}
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request.placeholderCacheKey = this.generateCacheKey(placeholderLoadKey, size, dontAnimateFlag, signature)
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}
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if (request.retryholderSrc) {
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let retryholderLoadKey = '';
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@ -660,6 +664,8 @@ export class ImageKnife {
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data.setDiskMemoryCache(this.diskMemoryCache)
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data.setDataFetch(this.dataFetch)
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data.setDiskMemoryCachePath(this.diskMemoryCache.getPath())
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data.setPlaceHolderRegisterCacheKey(request.placeholderRegisterCacheKey);
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data.setPlaceHolderRegisterMemoryCacheKey(request.placeholderRegisterMemoryCacheKey);
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return data;
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}
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@ -670,9 +676,10 @@ export class ImageKnife {
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priority: request.priority,
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size: request.size,
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loadSrc: this.transformResource(request.loadSrc) as string | PixelMap | MResource,
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placeholderSrc: this.transformResource(request.placeholderSrc) as PixelMap | MResource | undefined,
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placeholderSrc: this.transformResource(request.placeholderSrc) as string | PixelMap | MResource | undefined,
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errorholderSrc: this.transformResource(request.errorholderSrc) as PixelMap | MResource | undefined,
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retryholderSrc:this.transformResource(request.retryholderSrc) as PixelMap | MResource | undefined
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retryholderSrc:this.transformResource(request.retryholderSrc) as PixelMap | MResource | undefined,
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fallbackSrc: this.transformResource(request.fallbackSrc) as PixelMap | MResource | undefined,
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}
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return data;
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}
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@ -694,6 +701,10 @@ export class ImageKnife {
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//多线程请求加载资源
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private taskpoolLoadResource(request: RequestOption, usageType: string) {
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// string类型占位图实现从缓存中获取图片
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if (request.placeholderSrc == 'string') {
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request.placeholderCacheKey = request.placeholderRegisterMemoryCacheKey;
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}
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let mainCache = this.memoryCacheProxy.loadMemoryCache(request.generateCacheKey, request.isCacheable);
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let placeholderCache = this.memoryCacheProxy.loadMemoryCache(request.placeholderCacheKey, request.isCacheable);
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let retryholderCache = this.memoryCacheProxy.loadMemoryCache(request.retryholderCacheKey, request.isCacheable);
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@ -905,9 +916,14 @@ async function taskExecute(sendData:SendableData,taskData:TaskParams): Promise<P
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newRequestOption.thumbSizeMultiplier = sendData.getThumbSizeMultiplier();
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newRequestOption.thumbDelayTime = sendData.getThumbDelayTime();
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newRequestOption.size = taskData.size;
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newRequestOption.placeholderRegisterCacheKey = sendData.getPlaceHolderRegisterCacheKey();
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newRequestOption.placeholderRegisterMemoryCacheKey = sendData.getPlaceHolderRegisterMemoryCacheKey();
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if(taskData.loadSrc){
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newRequestOption.placeholderSrc = taskData.loadSrc as PixelMap | Resource | undefined;
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if(taskData.placeholderSrc){
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newRequestOption.placeholderSrc = taskData.placeholderSrc as string | PixelMap | Resource | undefined;
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}
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if(taskData.fallbackSrc){
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newRequestOption.fallbackSrc = taskData.fallbackSrc as PixelMap | Resource | undefined;
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}
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if(taskData.errorholderSrc){
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newRequestOption.errorholderSrc = taskData.errorholderSrc as PixelMap | Resource | undefined;
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@ -276,6 +276,12 @@ export struct ImageKnifeComponent {
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this.runNextFunction(this.displayErrorholder,data)
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}})
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}
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if (this.imageKnifeOption.fallbackSrc) {
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request.fallback(this.imageKnifeOption.fallbackSrc, {asyncSuccess:(data:ImageKnifeData) => {
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LogUtil.log('ImageKnife ImageKnifeComponent request.fallback callback');
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this.runNextFunction(this.displayPlaceholder,data);
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}})
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}
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if (this.imageKnifeOption.transform) {
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this.requestAddTransform(request)
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@ -87,9 +87,12 @@ export class ImageKnifeOption {
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dontAnimateFlag? = false;
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// 占位图
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placeholderSrc?: PixelMap | Resource;
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placeholderSrc?: string | PixelMap | Resource;
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placeholderScaleType?: ScaleType = ScaleType.FIT_CENTER
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// 后备回调符
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fallbackSrc?: PixelMap | Resource;
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// 失败占位图
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errorholderSrc?: PixelMap | Resource;
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errorholderSrcScaleType?: ScaleType = ScaleType.FIT_CENTER
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@ -106,7 +106,7 @@ export class RequestOption {
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loadSrc: string | PixelMap | Resource = '';
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strategy: DiskStrategy = new AUTOMATIC();
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dontAnimateFlag = false;
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placeholderSrc: PixelMap | Resource | undefined = undefined;
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placeholderSrc: string | PixelMap | Resource | undefined = undefined;
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placeholderFunc: AsyncSuccess<ImageKnifeData> | undefined = undefined;
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errorholderSrc: PixelMap | Resource | undefined = undefined;
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errorholderFunc: AsyncSuccess<ImageKnifeData> | undefined = undefined;
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@ -118,6 +118,10 @@ export class RequestOption {
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requestListeners: Array<AsyncCallback<ImageKnifeData>> | undefined = undefined;
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// 进度条
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progressFunc: AsyncSuccess<number> | undefined = undefined;
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// 后备回调符
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fallbackSrc: PixelMap | Resource | undefined = undefined;
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fallbackFunc: AsyncSuccess<ImageKnifeData> | undefined = undefined;
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fallbackData: ImageKnifeData | undefined = undefined;
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// 重试图层
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retryholderSrc: PixelMap | Resource | undefined = undefined;
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retryholderFunc: AsyncSuccess<ImageKnifeData> | undefined = undefined;
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@ -139,6 +143,10 @@ export class RequestOption {
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placeholderCacheKey: string = "";
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retryholderCacheKey: string = "";
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errorholderCacheKey: string = "";
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// string类型占位图相关缓存key值
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placeholderRegisterCacheKey: string = "";
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placeholderRegisterMemoryCacheKey: string = "";
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fallbackCacheKey: string = "";
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// 自定义缓存关键字
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signature?: ObjectKey;
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// 下载原始文件地址
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@ -154,6 +162,8 @@ export class RequestOption {
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loadErrorReady = false;
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// 重试占位图展示状态 当true 表示主图加载失败需要展示失败占位图
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loadRetryReady = false;
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// 后备回调符展示状态 当true 表占位图加载失败需要展示后备回调符
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loadFallBackReady = false;
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// 缩略图展示
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loadThumbnailReady = false;
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detachFromLayout: DetachFromLayout = {
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@ -245,7 +255,7 @@ export class RequestOption {
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}
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// 仅支持 本地图片
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placeholder(src: PixelMap | Resource, func?: AsyncSuccess<ImageKnifeData>) {
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placeholder(src: string | PixelMap | Resource, func?: AsyncSuccess<ImageKnifeData>) {
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this.placeholderSrc = src;
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this.placeholderFunc = func;
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return this;
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@ -257,6 +267,12 @@ export class RequestOption {
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return this;
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}
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fallback(src: PixelMap | Resource, func?: AsyncSuccess<ImageKnifeData>) {
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this.fallbackSrc = src;
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this.fallbackFunc = func;
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return this;
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}
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retryholder(src: PixelMap | Resource, func?: AsyncSuccess<ImageKnifeData>) {
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this.retryholderSrc = src;
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this.retryholderFunc = func;
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@ -551,6 +567,19 @@ export class RequestOption {
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retryholderOnError = (error: BusinessError | string) => {
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LogUtil.log("重试占位图解析失败 error =" + error)
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}
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//占位图加载失败 后备回调符解析成功
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fallbackOnComplete = (imageKnifeData:ImageKnifeData) => {
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this.fallbackData = imageKnifeData;
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if (this.loadFallBackReady) {
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if (this.fallbackFunc != undefined) {
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this.fallbackFunc?.asyncSuccess(imageKnifeData);
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}
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}
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}
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// 后备回调符解析失败
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fallbackOnError = (error: BusinessError | string) => {
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LogUtil.error("失败占位图解析失败 error =" + JSON.stringify(error));
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}
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loadComplete = (imageKnifeData: ImageKnifeData) => {
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this.loadMainReady = true;
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@ -618,6 +647,11 @@ export class RequestOption {
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if (this.retryholderData != null) {
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this.retryholderFunc.asyncSuccess(this.retryholderData)
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}
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} else if (!this.retryholderFunc && !this.placeholderFunc && this.fallbackFunc) {
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this.loadFallBackReady = true;
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if (this.fallbackData != null) {
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this.fallbackFunc.asyncSuccess(this.fallbackData);
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}
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} else {
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// 失败图层标记,如果已经有数据直接展示失败图层
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this.loadErrorReady = true;
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@ -39,6 +39,8 @@ export class SendableData{
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private diskMemoryCachePath: string = '';
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private diskMemoryCache?: DiskLruCache;
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private dataFetch: IDataFetch = new DownloadClient();
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private placeholderRegisterCacheKey: string = "";
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private placeholderRegisterMemoryCacheKey: string = "";
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public setDataFetch(value: IDataFetch) {
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this.dataFetch = value;
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@ -176,4 +178,20 @@ export class SendableData{
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public getUsageType(): string {
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return this.usageType;
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}
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public setPlaceHolderRegisterCacheKey(value: string) {
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this.placeholderRegisterCacheKey = value;
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}
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public getPlaceHolderRegisterCacheKey(): string {
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return this.placeholderRegisterCacheKey;
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}
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public setPlaceHolderRegisterMemoryCacheKey(value: string) {
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this.placeholderRegisterMemoryCacheKey = value;
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}
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public getPlaceHolderRegisterMemoryCacheKey(): string {
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return this.placeholderRegisterMemoryCacheKey;
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}
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}
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@ -23,7 +23,8 @@ export class TaskParams {
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priority: Priority = Priority.MEDIUM // 优先级
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size: Size = { width: -1, height: -1 };
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loadSrc: string | PixelMap | MResource = "";
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placeholderSrc: PixelMap | MResource | undefined = undefined;
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placeholderSrc: string | PixelMap | MResource | undefined = undefined;
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errorholderSrc: PixelMap | MResource | undefined = undefined;
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retryholderSrc: PixelMap | MResource | undefined = undefined;
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fallbackSrc: PixelMap | MResource | undefined = undefined;
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}
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@ -20,4 +20,5 @@ export class Constants {
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public static RETRY_HOLDER: string = "retryholder"
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public static ERROR_HOLDER: string = "errorholder"
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public static MAIN_HOLDER: string = "main"
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public static FALL_BACK: string = "fallback"
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}
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@ -26,6 +26,7 @@ import resourceManager from '@ohos.resourceManager';
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import image from "@ohos.multimedia.image"
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import { BusinessError } from '@ohos.base'
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import { GIFFrame } from '../utils/gif/GIFFrame'
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import { DiskLruCache } from '../../cache/DiskLruCache'
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export class PlaceHolderManager<T> {
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private options: RequestOption;
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@ -45,7 +46,73 @@ export class PlaceHolderManager<T> {
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let imageKnifeData = ImageKnifeData.createImagePixelMap(ImageKnifeType.PIXELMAP, this.options.placeholderSrc as PixelMap)
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onComplete(imageKnifeData?.drawPixelMap?.imagePixelMap as PixelMap);
|
||||
} else if (typeof this.options.placeholderSrc == 'string') {
|
||||
|
||||
if (typeof this.options.placeholderCacheKey == 'string' && this.options.placeholderCacheKey != '') {
|
||||
return;
|
||||
}
|
||||
let cached = DiskLruCache.getFileCacheByFile(this.options.diskMemoryCachePath,this.options.placeholderRegisterCacheKey);
|
||||
if (cached != null && cached.byteLength > 0) {
|
||||
let fileTypeUtil = new FileTypeUtil();
|
||||
let typeValue = fileTypeUtil.getFileType(cached);
|
||||
switch (typeValue) {
|
||||
case SupportFormat.svg:
|
||||
this.svgProcess(onComplete, onError, cached, typeValue);
|
||||
break;
|
||||
case SupportFormat.jpg:
|
||||
case SupportFormat.png:
|
||||
case SupportFormat.bmp:
|
||||
case SupportFormat.gif:
|
||||
case SupportFormat.tiff:
|
||||
case SupportFormat.webp:
|
||||
case SupportFormat.heic:
|
||||
this.mediaImageProcess(onComplete, onError, cached, typeValue);
|
||||
break;
|
||||
default:
|
||||
onError("PlaceHolderManager 文件类型不支持");
|
||||
break;
|
||||
}
|
||||
} else {
|
||||
if ((typeof (this.options.fallbackSrc as image.PixelMap).isEditable) == 'boolean') {
|
||||
let imageKnifeData = ImageKnifeData.createImagePixelMap(ImageKnifeType.PIXELMAP, this.options.fallbackSrc as PixelMap);
|
||||
onComplete(imageKnifeData?.drawPixelMap?.imagePixelMap as PixelMap);
|
||||
} else {
|
||||
let res = this.options.fallbackSrc as Resource;
|
||||
if (typeof res.id != 'undefined' && typeof res.id != 'undefined') {
|
||||
let resourceFetch = new ParseResClient();
|
||||
let suc = (arraybuffer:ArrayBuffer) => {
|
||||
let fileTypeUtil: FileTypeUtil = new FileTypeUtil();
|
||||
let typeValue: string | null = fileTypeUtil.getFileType(arraybuffer);
|
||||
if (typeValue != null) {
|
||||
switch (typeValue) {
|
||||
case SupportFormat.svg:
|
||||
this.svgProcess(onComplete, onError, arraybuffer, typeValue);
|
||||
break;
|
||||
case SupportFormat.jpg:
|
||||
case SupportFormat.png:
|
||||
case SupportFormat.bmp:
|
||||
case SupportFormat.gif:
|
||||
case SupportFormat.tiff:
|
||||
case SupportFormat.webp:
|
||||
this.mediaImageProcess(onComplete, onError, arraybuffer, typeValue);
|
||||
break;
|
||||
default:
|
||||
onError("FallBackManager 文件类型不支持");
|
||||
break;
|
||||
}
|
||||
}else{
|
||||
onError("FallBackManager 文件类型为null,请检查数据源arraybuffer");
|
||||
}
|
||||
}
|
||||
let ctx = this.options.getModuleContext();
|
||||
if(ctx != undefined){
|
||||
resourceFetch.loadResource(ctx,res, suc, onError);
|
||||
}else{
|
||||
onError("FallBackManager moduleContext is undefined,please check it!");
|
||||
}
|
||||
} else {
|
||||
onError("FallBackManager 输入参数有问题!");
|
||||
}
|
||||
}
|
||||
}
|
||||
} else {
|
||||
let res = this.options.placeholderSrc as Resource;
|
||||
if (typeof res.id != 'undefined' && typeof res.id != 'undefined') {
|
||||
|
|
|
|||
Loading…
Reference in New Issue