26 

    26 

    27 CGFloat getScreenScale(void);

    27 CGFloat getScreenScale(void);

    28 

    28 

    29 -(UIImage *)scaleToSize:(CGSize) size;

    29 -(UIImage *)scaleToSize:(CGSize) size;

    30 -(UIImage *)mergeWith:(UIImage *)secondImage atPoint:(CGPoint) secondImagePoint;

    30 -(UIImage *)mergeWith:(UIImage *)secondImage atPoint:(CGPoint) secondImagePoint;

    32 -(id) initWithContentsOfFile:(NSString *)path andCutAt:(CGRect) rect;

    31 -(id) initWithContentsOfFile:(NSString *)path andCutAt:(CGRect) rect;

    33 -(UIImage *)cutAt:(CGRect) rect;

    32 -(UIImage *)cutAt:(CGRect) rect;

    34 -(UIImage *)convertToGrayScale;

    33 -(UIImage *)convertToGrayScale;

    35 -(UIImage *)convertToNegative;

    34 -(UIImage *)convertToNegative;

    36 -(UIImage *)maskImageWith:(UIImage *)maskImage;

    35 -(UIImage *)maskImageWith:(UIImage *)maskImage;