#import "GPUImageFilter.h"
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@interface GPUImageDirectionalNonMaximumSuppressionFilter : GPUImageFilter
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{
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GLint texelWidthUniform, texelHeightUniform;
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GLint upperThresholdUniform, lowerThresholdUniform;
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BOOL hasOverriddenImageSizeFactor;
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}
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// The texel width and height determines how far out to sample from this texel. By default, this is the normalized width of a pixel, but this can be overridden for different effects.
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@property(readwrite, nonatomic) CGFloat texelWidth;
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@property(readwrite, nonatomic) CGFloat texelHeight;
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// These thresholds set cutoffs for the intensities that definitely get registered (upper threshold) and those that definitely don't (lower threshold)
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@property(readwrite, nonatomic) CGFloat upperThreshold;
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@property(readwrite, nonatomic) CGFloat lowerThreshold;
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@end
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