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UIImageEffects.h
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/*
File: UIImageEffects.h
Abstract: This class contains methods to apply blur and tint effects to an image.
This is the code you’ll want to look out to find out how to use vImage to
efficiently calculate a blur.
Version: 1.1
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*/
#import <Foundation/Foundation.h>
#import <UIKit/UIKit.h>
@interface UIImageEffects : NSObject
+ (UIImage*)imageByApplyingLightEffectToImage:(UIImage*)inputImage;
+ (UIImage*)imageByApplyingExtraLightEffectToImage:(UIImage*)inputImage;
+ (UIImage*)imageByApplyingDarkEffectToImage:(UIImage*)inputImage;
+ (UIImage*)imageByApplyingTintEffectWithColor:(UIColor *)tintColor toImage:(UIImage*)inputImage;
//| ----------------------------------------------------------------------------
//! Applies a blur, tint color, and saturation adjustment to @a inputImage,
//! optionally within the area specified by @a maskImage.
//!
//! @param inputImage
//! The source image. A modified copy of this image will be returned.
//! @param blurRadius
//! The radius of the blur in points.
//! @param tintColor
//! An optional UIColor object that is uniformly blended with the
//! result of the blur and saturation operations. The alpha channel
//! of this color determines how strong the tint is.
//! @param saturationDeltaFactor
//! A value of 1.0 produces no change in the resulting image. Values
//! less than 1.0 will desaturation the resulting image while values
//! greater than 1.0 will have the opposite effect.
//! @param maskImage
//! If specified, @a inputImage is only modified in the area(s) defined
//! by this mask. This must be an image mask or it must meet the
//! requirements of the mask parameter of CGContextClipToMask.
+ (UIImage*)imageByApplyingBlurToImage:(UIImage*)inputImage withRadius:(CGFloat)blurRadius tintColor:(UIColor *)tintColor saturationDeltaFactor:(CGFloat)saturationDeltaFactor maskImage:(UIImage *)maskImage;
@end