CIImage.CreateBySettingAlphaOne(CGRect) Method
Definition
Important
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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.CIImageParameters
- extent
- CGRect
The area within the image to have alpha 1.0.
Returns
- Attributes