Jetpack Compose 中的 X 和 Y 偏移、模糊、不透明度和阴影颜色?
X and Y offset, blur, opacity and colour of shadow in Jetpack Compose?
由于 Jetpack Compose this limitation 我正在寻找解决此问题的方法?
也许 Canvas 可以解决这个问题?如果有人可以提供代码片段,说明如何在 Jetpack Compose 中使用 X 和 Y 偏移等附加参数为 Card
、Box
、Column
、Row
等渲染阴影,自定义实现的模糊和不透明度(Canvas 或其他)?
多亏了这个code snippets
,我设法找到了解决方案
fun Modifier.advancedShadow(
color: Color = Color.Black,
alpha: Float = 0f,
cornersRadius: Dp = 0.dp,
shadowBlurRadius: Dp = 0.dp,
offsetY: Dp = 0.dp,
offsetX: Dp = 0.dp
) = drawBehind {
val shadowColor = color.copy(alpha = alpha).toArgb()
val transparentColor = color.copy(alpha = 0f).toArgb()
drawIntoCanvas {
val paint = Paint()
val frameworkPaint = paint.asFrameworkPaint()
frameworkPaint.color = transparentColor
frameworkPaint.setShadowLayer(
shadowBlurRadius.toPx(),
offsetX.toPx(),
offsetY.toPx(),
shadowColor
)
it.drawRoundRect(
0f,
0f,
this.size.width,
this.size.height,
cornersRadius.toPx(),
cornersRadius.toPx(),
paint
)
}
}
由于 Jetpack Compose this limitation 我正在寻找解决此问题的方法?
也许 Canvas 可以解决这个问题?如果有人可以提供代码片段,说明如何在 Jetpack Compose 中使用 X 和 Y 偏移等附加参数为 Card
、Box
、Column
、Row
等渲染阴影,自定义实现的模糊和不透明度(Canvas 或其他)?
多亏了这个code snippets
,我设法找到了解决方案fun Modifier.advancedShadow(
color: Color = Color.Black,
alpha: Float = 0f,
cornersRadius: Dp = 0.dp,
shadowBlurRadius: Dp = 0.dp,
offsetY: Dp = 0.dp,
offsetX: Dp = 0.dp
) = drawBehind {
val shadowColor = color.copy(alpha = alpha).toArgb()
val transparentColor = color.copy(alpha = 0f).toArgb()
drawIntoCanvas {
val paint = Paint()
val frameworkPaint = paint.asFrameworkPaint()
frameworkPaint.color = transparentColor
frameworkPaint.setShadowLayer(
shadowBlurRadius.toPx(),
offsetX.toPx(),
offsetY.toPx(),
shadowColor
)
it.drawRoundRect(
0f,
0f,
this.size.width,
this.size.height,
cornersRadius.toPx(),
cornersRadius.toPx(),
paint
)
}
}