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CIImage.CreateBySettingAlphaOne(CGRect) Method

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Definition

Namespace:
CoreImage
Assembly:
Xamarin.iOS.dll
Assembly:
Xamarin.Mac.dll

Creates a new image by copying this, setting the alpha of pixels within extent to 1.0 and setting those outside to 0.0.

[Foundation.Export("imageBySettingAlphaOneInExtent:")]
[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 CreateBySettingAlphaOne (CoreGraphics.CGRect extent);
abstract member CreateBySettingAlphaOne : CoreGraphics.CGRect -> CoreImage.CIImage
override this.CreateBySettingAlphaOne : CoreGraphics.CGRect -> CoreImage.CIImage

Parameters

extent
CGRect

The area within the image to have alpha 1.0.

Returns

CIImage
Attributes
ExportAttribute IntroducedAttribute

Applies to