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2014/10/15 ¤U¤È 10:10:06

iphone Programming Glossary: horizblurredimage

iPhone: Blur UIImage

http://stackoverflow.com/questions/1356250/iphone-blur-uiimage

drawInRect CGRectMake x 0 self.size.width self.size.height blendMode kCGBlendModePlusLighter alpha weight x UIImage horizBlurredImage UIGraphicsGetImageFromCurrentImageContext UIGraphicsEndImageContext Blur vertically UIGraphicsBeginImageContext self.size.. UIGraphicsEndImageContext Blur vertically UIGraphicsBeginImageContext self.size horizBlurredImage drawInRect CGRectMake 0 0 self.size.width self.size.height blendMode kCGBlendModePlusLighter alpha weight 0 for int y 1.. CGRectMake 0 0 self.size.width self.size.height blendMode kCGBlendModePlusLighter alpha weight 0 for int y 1 y 5 y horizBlurredImage drawInRect CGRectMake 0 y self.size.width self.size.height blendMode kCGBlendModePlusLighter alpha weight y horizBlurredImage..

Blur an image of specific part (rectangular, circular)?

http://stackoverflow.com/questions/14107979/blur-an-image-of-specific-part-rectangular-circular

x self drawInRect CGRectMake x 0 self.size.width self.size.height blendMode kCGBlendModeNormal alpha weight x UIImage horizBlurredImage UIGraphicsGetImageFromCurrentImageContext UIGraphicsEndImageContext Blur vertically UIGraphicsBeginImageContextWithOptions.. UIGraphicsEndImageContext Blur vertically UIGraphicsBeginImageContextWithOptions self.size NO self.scale horizBlurredImage drawInRect CGRectMake 0 0 self.size.width self.size.height blendMode kCGBlendModeNormal alpha weight 0 for int y 1 y 5 y.. CGRectMake 0 0 self.size.width self.size.height blendMode kCGBlendModeNormal alpha weight 0 for int y 1 y 5 y horizBlurredImage drawInRect CGRectMake 0 y self.size.width self.size.height blendMode kCGBlendModeNormal alpha weight y horizBlurredImage..