CIFilter.FromName(String) 方法

定义

命名空间:

CoreImage

程序集:

Xamarin.iOS.dll

返回特定效果的 CIFilter。

[Foundation.Export("filterWithName:")]
public static CoreImage.CIFilter FromName (string name);

static member FromName : string -> CoreImage.CIFilter

参数

name

String

要实例化的 CoreImage 筛选器的名称。

返回

CIFilter

属性

ExportAttribute

注解

在 iOS 5.0 上，下面是内置筛选器：Blur、、ColorEffect、CIAdditionCompositing、 CIMaximumCompositingCIColorBlendModeCIColorControlsCIColorBurnBlendModeCIColorCubeCIColorDodgeBlendModeCIColorInvertCIColorMatrixCIColorMonochromeCICheckerboardGeneratorCICropCIConstantColorGeneratorCIDarkenBlendModeCIDifferenceBlendModeCIExclusionBlendModeCIExposureAdjustCIFalseColorCIAffineTransformCIMinimumCompositingCILuminosityBlendModeCILinearGradientCILightenBlendModeCIMultiplyBlendModeCIHueBlendModeCIHueAdjustCIHighlightShadowAdjustCIMultiplyCompositingCIHardLightBlendModeCIGaussianGradientCIGammaAdjustCIOverlayBlendModeCIRadialGradientCISourceInCompositingCISourceAtopCompositingCISourceOutCompositingCISoftLightBlendModeCISourceOverCompositingCISepiaToneCIStraightenFilterCIStripesGeneratorCIScreenBlendModeCISaturationBlendModeCIToneCurveCIVibranceCITemperatureAndTintCIVignette 和 。CIWhitePointAdjust

若要创建指定类型的筛选器，请实例化上述类型之一的实例，为其属性赋值，并使用 OutputImage 属性提取结果。

var sepiaFilter = new CISepiaTone () {
Image = mySourceImage,
Intensity = 0.8f
};