#import <UIKit/UIKit.h>
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#import "GPUImageContext.h"
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typedef enum {
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kGPUImageFillModeStretch, // Stretch to fill the full view, which may distort the image outside of its normal aspect ratio
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kGPUImageFillModePreserveAspectRatio, // Maintains the aspect ratio of the source image, adding bars of the specified background color
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kGPUImageFillModePreserveAspectRatioAndFill // Maintains the aspect ratio of the source image, zooming in on its center to fill the view
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} GPUImageFillModeType;
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/**
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UIView subclass to use as an endpoint for displaying GPUImage outputs
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*/
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@interface GPUImageView : UIView <GPUImageInput>
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{
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GPUImageRotationMode inputRotation;
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}
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/** The fill mode dictates how images are fit in the view, with the default being kGPUImageFillModePreserveAspectRatio
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*/
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@property(readwrite, nonatomic) GPUImageFillModeType fillMode;
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/** This calculates the current display size, in pixels, taking into account Retina scaling factors
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*/
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@property(readonly, nonatomic) CGSize sizeInPixels;
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@property(nonatomic) BOOL enabled;
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/** Handling fill mode
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@param redComponent Red component for background color
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@param greenComponent Green component for background color
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@param blueComponent Blue component for background color
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@param alphaComponent Alpha component for background color
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*/
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- (void)setBackgroundColorRed:(GLfloat)redComponent green:(GLfloat)greenComponent blue:(GLfloat)blueComponent alpha:(GLfloat)alphaComponent;
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- (void)setCurrentlyReceivingMonochromeInput:(BOOL)newValue;
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@end
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