sonson@Picture&Software - [iPhone SDK] UIImageã§ãƒ”クセルを扱ã†Quartz 2Dã¾ã‚ã‚Šã®APIを使ã„，UIImageã‹ã‚‰CGImageRefを経由ã—ã¦ãƒ”クセルã®å€¤ã‚’å–å¾—ã™ã‚‹ã“ã¨ãŒã§ãる． UIImage* source = [UIImage imageNamed:@"image.png"]; CGImageRef inputImage = [source CGImage]; ã“ã‚Œã§CGImageã®ãƒã‚¤ãƒ³ã‚¿ã‚’å–å¾—ã§ãる．CGImageã‹ã‚‰ã¯ï¼ŒCGImageGetDataProviderã¨CFDataGetBytePtrを使ã„，ピクセルã®å€¤ã‚„ピクセルã®ãƒ‡ãƒ¼ã‚¿ã‚µã‚¤ã‚ºï¼Œ1è¡Œã”ã¨ã®ãƒã‚¤ãƒˆã‚µã‚¤ã‚ºãªã©ã‚’å–å¾—ã§ãる． CFDataRef inputData = CGDataProviderCopyData(CGImageGetDataProvider(inputImageRef)); unsigned char *pixelData = (unsigned char
sonson@Picture&Software - [iPhone SDK] UIImage，CGImageã®å°æŠ€
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