#import "GPUImageFilterGroup.h"
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@class GPUImageSaturationFilter;
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@class GPUImageGaussianBlurFilter;
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@class GPUImageLuminanceRangeFilter;
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@interface GPUImageiOSBlurFilter : GPUImageFilterGroup
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{
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GPUImageSaturationFilter *saturationFilter;
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GPUImageGaussianBlurFilter *blurFilter;
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GPUImageLuminanceRangeFilter *luminanceRangeFilter;
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}
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/** A radius in pixels to use for the blur, with a default of 12.0. This adjusts the sigma variable in the Gaussian distribution function.
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*/
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@property (readwrite, nonatomic) CGFloat blurRadiusInPixels;
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/** Saturation ranges from 0.0 (fully desaturated) to 2.0 (max saturation), with 0.8 as the normal level
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*/
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@property (readwrite, nonatomic) CGFloat saturation;
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/** The degree to which to downsample, then upsample the incoming image to minimize computations within the Gaussian blur, default of 4.0
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*/
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@property (readwrite, nonatomic) CGFloat downsampling;
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/** The degree to reduce the luminance range, from 0.0 to 1.0. Default is 0.6.
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*/
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@property (readwrite, nonatomic) CGFloat rangeReductionFactor;
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@end
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