ImageKnife/entry/src/main/ets/pages/ObjectFitPage.ets

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import { ImageKnife, ImageKnifeComponent, ImageKnifeOption } from '@ohos/libraryimageknife'
@Entry
@Component
struct ObjectFitPage {
@State imageKnifeOption: ImageKnifeOption = {
loadSrc: $r("app.media.app_icon"),
placeholderSrc: $r("app.media.loading"),
errorholderSrc: $r("app.media.app_icon"),
objectFit: ImageFit.Fill
}
build() {
Column() {
Button("主图Fill拉伸填充").onClick(()=>{
this.imageKnifeOption = {
loadSrc: $r("app.media.app_icon"),
placeholderSrc: $r("app.media.loading"),
errorholderSrc: $r("app.media.app_icon"),
objectFit: ImageFit.Fill
}
})
Button("占位图Contain保持比例填充").margin({top:10}).onClick(async () => {
ImageKnife.getInstance().removeAllMemoryCache()
await ImageKnife.getInstance().removeAllFileCache()
this.imageKnifeOption = {
loadSrc: "https://wx2.sinaimg.cn/mw690/006HyQKGgy1hnqp08dw09j30u04twu0x.jpg",
placeholderSrc: $r("app.media.app_icon"),
errorholderSrc: $r("app.media.app_icon"),
objectFit: ImageFit.Fill,
placeholderObjectFit: ImageFit.Contain
}
})
Button("错误图None不变化").margin({top:10}).onClick(() => {
this.imageKnifeOption = {
loadSrc: "http://xxxxx",
placeholderSrc: $r("app.media.loading"),
errorholderSrc: $r("app.media.app_icon"),
objectFit: ImageFit.Fill,
errorholderObjectFit: ImageFit.None
}
})
ImageKnifeComponent({
imageKnifeOption: this.imageKnifeOption
}).width(300).height(200).border({width:1}).margin({top:50})
}
.height('100%')
.width('100%')
}
}