[ << 回到上层 ] Image:SetAlpha 设置图像Alpha通道的值 image:SetAlpha(alpha) 参数: image [userdata-Image]:图像对象 alpha [number]:图像Alpha通道的值,取值范围0-255 返回值: 无 示例 Graphic = UsingModule("EtherGraphic") local image = Graphic.LoadImageFromFile("test.png") image:SetAlpha(114)