iphone Programming Glossary: bmcontext
Rotate image in UIImageView http://stackoverflow.com/questions/7191492/rotate-image-in-uiimageview CGRectApplyAffineTransform imgRect transform CGColorSpaceRef colorSpace CGColorSpaceCreateDeviceRGB CGContextRef bmContext CGBitmapContextCreate NULL rotatedRect.size.width rotatedRect.size.height 8 0 colorSpace kCGImageAlphaPremultipliedFirst.. rotatedRect.size.height 8 0 colorSpace kCGImageAlphaPremultipliedFirst CGContextSetAllowsAntialiasing bmContext YES CGContextSetShouldAntialias bmContext YES CGContextSetInterpolationQuality bmContext kCGInterpolationHigh CGColorSpaceRelease.. colorSpace kCGImageAlphaPremultipliedFirst CGContextSetAllowsAntialiasing bmContext YES CGContextSetShouldAntialias bmContext YES CGContextSetInterpolationQuality bmContext kCGInterpolationHigh CGColorSpaceRelease colorSpace CGContextTranslateCTM..
Blur an UIImage on change of slider http://stackoverflow.com/questions/8758433/blur-an-uiimage-on-change-of-slider CGColorSpaceCreateDeviceRGB Create the bitmap context we want pre multiplied ARGB 8 bits per component CGContextRef bmContext CGBitmapContextCreate NULL width height 8 Bits per component bytesPerRow colorSpace kCGBitmapByteOrderDefault kCGImageAlphaPremultipliedFirst.. bytesPerRow colorSpace kCGBitmapByteOrderDefault kCGImageAlphaPremultipliedFirst CGColorSpaceRelease colorSpace return bmContext UIImage blurredImageUsingGaussFactor NSUInteger gaussFactor andPixelRadius NSUInteger pixelRadius CGImageRef cgImage self.CGImage..
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