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2014/10/15 ¤U¤È 10:14:04
iphone Programming Glossary: shadowedcgimageCreate new UIImage by adding shadow to existing UIImage http://stackoverflow.com/questions/2936443/create-new-uiimage-by-adding-shadow-to-existing-uiimage 0 1 1 CGContextDrawImage shadowContext CGRectMake 0 0 self.size.width self.size.height self.CGImage CGImageRef shadowedCGImage CGBitmapContextCreateImage shadowContext CGContextRelease shadowContext UIImage shadowedImage UIImage imageWithCGImage shadowedCGImage.. CGBitmapContextCreateImage shadowContext CGContextRelease shadowContext UIImage shadowedImage UIImage imageWithCGImage shadowedCGImage CGImageRelease shadowedCGImage return shadowedImage The result is that I get exactly the same image as before I put it through.. CGContextRelease shadowContext UIImage shadowedImage UIImage imageWithCGImage shadowedCGImage CGImageRelease shadowedCGImage return shadowedImage The result is that I get exactly the same image as before I put it through this method. I am doing..
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