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2014/10/15 ¤U¤È 10:11:37
iphone Programming Glossary: mwidthmemory leak when using CGImageCreateWithJPEGDataProvider http://stackoverflow.com/questions/12211158/memory-leak-when-using-cgimagecreatewithjpegdataprovider image if self super init CGImageRetain image sometimes memory leak in this line. mBitmap CGImageCreateCopy image mWidth CGImageGetWidth image mHeight CGImageGetHeight image CGImageRelease image return self void dealloc if mBitmap NULL CGImageRelease..
How to make one color transparent on a UIImage? http://stackoverflow.com/questions/633722/how-to-make-one-color-transparent-on-a-uiimage UIImage resultedimage UIImage imageWithCGImage New CGImageRef createMask UIImage temp CGImageRef ref temp.CGImage int mWidth CGImageGetWidth ref int mHeight CGImageGetHeight ref int count mWidth mHeight 4 void bufferdata malloc count CGColorSpaceRef.. UIImage temp CGImageRef ref temp.CGImage int mWidth CGImageGetWidth ref int mHeight CGImageGetHeight ref int count mWidth mHeight 4 void bufferdata malloc count CGColorSpaceRef colorSpaceRef CGColorSpaceCreateDeviceRGB CGBitmapInfo bitmapInfo.. CGColorRenderingIntent renderingIntent kCGRenderingIntentDefault CGContextRef cgctx CGBitmapContextCreate bufferdata mWidth mHeight 8 mWidth 4 colorSpaceRef kCGImageAlphaPremultipliedFirst CGRect rect 0 0 mWidth mHeight CGContextDrawImage cgctx..
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