iOS 5支持模糊CoreImage安装程序吗？ [英] Does iOS 5 support blur CoreImage fiters?

问题描述

根据文档，它应该支持模糊，请注意在iOS 5.0及更高版本中可用：

According to the documentation it should support blurring, note the "Available in iOS 5.0 and later":

CIFilter类参考

但根据设备，它不会：

[CIFilter filterNamesInCategory:kCICategoryBlur];

不返回任何内容。

以下只有这些过滤器可用在我的iPhone和模拟器（都运行5.0）：

According to the following only these filters are available on my iPhone and Simulator (which are both running 5.0):

[CIFilter filterNamesInCategory:kCICategoryBuiltIn]

CIAdditionCompositing,
CIAffineTransform,
CICheckerboardGenerator,
CIColorBlendMode,
CIColorBurnBlendMode,
CIColorControls,
CIColorCube,
CIColorDodgeBlendMode,
CIColorInvert,
CIColorMatrix,
CIColorMonochrome,
CIConstantColorGenerator,
CICrop,
CIDarkenBlendMode,
CIDifferenceBlendMode,
CIExclusionBlendMode,
CIExposureAdjust,
CIFalseColor,
CIGammaAdjust,
CIGaussianGradient,
CIHardLightBlendMode,
CIHighlightShadowAdjust,
CIHueAdjust,
CIHueBlendMode,
CILightenBlendMode,
CILinearGradient,
CILuminosityBlendMode,
CIMaximumCompositing,
CIMinimumCompositing,
CIMultiplyBlendMode,
CIMultiplyCompositing,
CIOverlayBlendMode,
CIRadialGradient,
CISaturationBlendMode,
CIScreenBlendMode,
CISepiaTone,
CISoftLightBlendMode,
CISourceAtopCompositing,
CISourceInCompositing,
CISourceOutCompositing,
CISourceOverCompositing,
CIStraightenFilter,
CIStripesGenerator,
CITemperatureAndTint,
CIToneCurve,
CIVibrance,
CIVignette,
CIWhitePointAdjust

推荐答案

不幸的是，它不支持任何模糊。为此，你必须自己动手。

Unfortunately, it does not support any blurs. For that, you'll have to roll your own.

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