// UIImage+Alpha.h // Created by Trevor Harmon on 9/20/09. // Free for personal or commercial use, with or without modification. // No warranty is expressed or implied. // Helper methods for adding an alpha layer to an image @interface UIImage (Alpha) - (BOOL)hasAlpha; - (UIImage *)imageWithAlpha; - (UIImage *)transparentBorderImage:(NSUInteger)borderSize; @end