组件设置背景图，图片无法铺满？

Question

text组件通过backgroundImage设置背景图片，通过backgroundImageSize分别设置了ImageSize.Cover、ImageSize.Contain、ImageSize.Auto，都无法使背景图随着文字的长短不同，始终铺满

Answer 1

@Entry
@Component
struct Index3 {
  @State message: string = 'AAAA';
  @Builder textBackground() {
  Column() {
  Image($r('app.media.textbg'))
  .objectFit(ImageFit.Fill)
  .width('100%')
  .height('100%')
}
}
build() {
Row() {
Stack() {
Text(this.message)
.fontSize(30)
.fontWeight(FontWeight.Bold)
.onClick(() => {
this.message = this.message + "B"
})
}
.padding({right:15})
.background(this.textBackground)
}
.height('100%')
}
}

通过background设置