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CIImage.CreateBySettingAlphaOne(CGRect) Method

Definition

Namespace:
CoreImage
Assembly:
Microsoft.iOS.dll
Assembly:
Microsoft.MacCatalyst.dll
Assembly:
Microsoft.macOS.dll
Assembly:
Microsoft.tvOS.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.BindingImpl(ObjCRuntime.BindingImplOptions.GeneratedCode | ObjCRuntime.BindingImplOptions.Optimizable)]
public virtual CoreImage.CIImage CreateBySettingAlphaOne(CoreGraphics.CGRect extent);
[<Foundation.Export("imageBySettingAlphaOneInExtent:")>]
[<ObjCRuntime.BindingImpl(ObjCRuntime.BindingImplOptions.GeneratedCode | ObjCRuntime.BindingImplOptions.Optimizable)>]
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 BindingImplAttribute

Applies to