共用方式為

CIImage.CreateByPremultiplyingAlpha 方法

  • 參考

定義

命名空間:
CoreImage
組件:
Xamarin.iOS.dll
組件:
Xamarin.Mac.dll

建立新的影像，其 RGB 值會藉由將此影像的 RGB 值乘以此影像的 Alpha 值來建立。

[Foundation.Export("imageByPremultiplyingAlpha")]
[ObjCRuntime.Introduced(ObjCRuntime.PlatformName.iOS, 10, 0, ObjCRuntime.PlatformArchitecture.All, null)]
[ObjCRuntime.Introduced(ObjCRuntime.PlatformName.MacOSX, 10, 12, ObjCRuntime.PlatformArchitecture.All, null)]
[ObjCRuntime.Introduced(ObjCRuntime.PlatformName.TvOS, 10, 0, ObjCRuntime.PlatformArchitecture.All, null)]
public virtual CoreImage.CIImage CreateByPremultiplyingAlpha ();
abstract member CreateByPremultiplyingAlpha : unit -> CoreImage.CIImage
override this.CreateByPremultiplyingAlpha : unit -> CoreImage.CIImage

傳回

CIImage
屬性
ExportAttribute IntroducedAttribute

適用於