HarmonyOS/OpenHarmony应用开发-ArkTS画布组件(七)

鸿蒙时代
发布于 2023-3-28 10:10
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shadowColor
代码

// xxx.ets
@Entry
@Component
struct ShadowColor {
  private settings: RenderingContextSettings = new RenderingContextSettings(true)
  private context: CanvasRenderingContext2D = new CanvasRenderingContext2D(this.settings)
  
  build() {
    Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
      Canvas(this.context)
        .width('100%')
        .height('100%')
        .backgroundColor('#ffff00')
        .onReady(() =>{
          this.context.shadowBlur = 30
          this.context.shadowColor = 'rgb(0,0,255)'
          this.context.fillStyle = 'rgb(255,0,0)'
          this.context.fillRect(30, 30, 100, 100)
      })
    }
    .width('100%')
    .height('100%')
  }
}

效果
HarmonyOS/OpenHarmony应用开发-ArkTS画布组件(七)-鸿蒙开发者社区
shadowOffsetX
代码

@Entry
@Component
struct ShadowOffsetX {
  private settings: RenderingContextSettings = new RenderingContextSettings(true)
  private context: CanvasRenderingContext2D = new CanvasRenderingContext2D(this.settings)
  
  build() {
    Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
      Canvas(this.context)
        .width('100%')
        .height('100%')
        .backgroundColor('#ffff00')
        .onReady(() =>{
          this.context.shadowBlur = 10
          this.context.shadowOffsetX = 20
          this.context.shadowColor = 'rgb(0,0,0)'
          this.context.fillStyle = 'rgb(255,0,0)'
          this.context.fillRect(20, 20, 100, 80)
      })
    }
    .width('100%')
    .height('100%')
  }
}

效果
HarmonyOS/OpenHarmony应用开发-ArkTS画布组件(七)-鸿蒙开发者社区

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