Image

@Entry
@Component
struct ImageExample1 {
  build() {
    Column() {
      Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Start }) {
        Row() {
          // 加载png格式图片
          Image($r('app.media.ic_camera_master_ai_leaf'))
            .width(110).height(110).margin(15)
            .overlay('png', { align: Alignment.Bottom, offset: { x: 0, y: 20 } })
          // 加载gif格式图片
          Image($r('app.media.loading'))
            .width(110).height(110).margin(15)
            .overlay('gif', { align: Alignment.Bottom, offset: { x: 0, y: 20 } })
        }
        Row() {
          // 加载svg格式图片
          Image($r('app.media.ic_camera_master_ai_clouded'))
            .width(110).height(110).margin(15)
            .overlay('svg', { align: Alignment.Bottom, offset: { x: 0, y: 20 } })
          // 加载jpg格式图片
          Image($r('app.media.ic_public_favor_filled'))
            .width(110).height(110).margin(15)
            .overlay('jpg', { align: Alignment.Bottom, offset: { x: 0, y: 20 } })
        }
      }
    }.height(320).width(360).padding({ right: 10, top: 10 })
  }
}

@Entry
@Component
struct ImageExample2 {
  build() {
    Column({ space: 10 }) {
      Image("https://www.example.com/xxx.png")// 直接加载网络地址，请填写一个具体的网络图片地址
        .alt($r('app.media.icon'))// 使用alt，在网络图片加载成功前使用占位图
        .width(100)
        .height(100)
    }
  }
}

@Entry
@Component
struct ImageExample3 {
  private imageOne: Resource = $r('app.media.earth');
  private imageTwo: Resource = $r('app.media.star');
  private imageThree: Resource = $r('app.media.moveStar');
  @State src: Resource = this.imageOne
  @State src2: Resource = this.imageThree
  build(){
    Column(){
      //为图片添加点击事件，点击完成后加载特定图片
      Image(this.src)
        .width(100)
        .height(100)
        .onClick(() => {
          this.src = this.imageTwo
        })

      //当加载图片为SVG格式时
      Image(this.src2)
        .width(100)
        .height(100)
        .onClick(() => {
          //SVG动效播放完成时加载另一张图片
          this.src2 = this.imageOne
        })
    }.width('100%').height('100%')
  }
}

import image from '@ohos.multimedia.image'
@Entry
@Component
struct ImageExample4 {
  @State imagePixelMap: image.PixelMap | undefined = undefined

  async aboutToAppear() {
    this.imagePixelMap = await this.getPixmapFromMedia($r('app.media.app_icon'))
  }

  build() {
    Column() {
      Image(this.imagePixelMap)
        .enableAnalyzer(true)
        .width(200)
        .height(200)
    }
  }
  private async getPixmapFromMedia(resource: Resource) {
    let unit8Array = await getContext(this)?.resourceManager?.getMediaContent({
      bundleName: resource.bundleName,
      moduleName: resource.moduleName,
      id: resource.id
    })
    let imageSource = image.createImageSource(unit8Array.buffer.slice(0, unit8Array.buffer.byteLength))
    let createPixelMap: image.PixelMap = await imageSource.createPixelMap({
      desiredPixelFormat: image.PixelMapFormat.RGBA_8888
    })
    await imageSource.release()
    return createPixelMap
  }
}