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benilovj / UIImage+Alpha.h

Created March 9, 2012 22:22

Trevor Harmon's UIImage categories (http://vocaro.com/trevor/blog/2009/10/12/resize-a-uiimage-the-right-way/) with iOS5 fixes (https://gist.github.com/1344380)

	// 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;