64 lines
2.2 KiB
Plaintext
64 lines
2.2 KiB
Plaintext
/*
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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, ImageKnife, ImageKnifeOption } from '@ohos/libraryimageknife'
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@Entry
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@ComponentV2
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struct TestSetCustomImagePage {
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@Local imageKnifeOption: ImageKnifeOption = new ImageKnifeOption({
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loadSrc: $r('app.media.startIcon'),
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placeholderSrc: $r('app.media.loading')
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})
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aboutToAppear(): void {
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ImageKnife.getInstance().setCustomGetImage(custom)
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}
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aboutToDisappear(): void {
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ImageKnife.getInstance().setCustomGetImage()
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}
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build() {
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Column() {
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Button("自定义下载a").onClick(()=>{
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this.imageKnifeOption = new ImageKnifeOption({
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loadSrc: "aaa",
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placeholderSrc: $r('app.media.loading')
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})
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})
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Button("自定义下载b").onClick(()=>{
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this.imageKnifeOption = new ImageKnifeOption({
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loadSrc: "bbb",
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placeholderSrc: $r('app.media.loading')
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})
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})
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Button("自定义下载c").onClick(()=>{
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this.imageKnifeOption = new ImageKnifeOption({
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loadSrc: "ccc",
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placeholderSrc: $r('app.media.loading')
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})
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})
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ImageKnifeComponent({
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imageKnifeOption: this.imageKnifeOption
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}).width(300)
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.height(300)
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}
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.width("100%")
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.height("100%")
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}
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}
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@Concurrent
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async function custom(context: Context, src: string | PixelMap | Resource): Promise<ArrayBuffer | undefined> {
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console.info("ImageKnife:: custom download：" + src)
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// 举例写死从本地文件读取，也可以自己请求网络图片
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return context.resourceManager.getMediaContentSync($r("app.media.pngSample").id).buffer as ArrayBuffer
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} |