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2014/10/15 ¤U¤È 10:04:35
iphone Programming Glossary: bitmapbytesperrowkCGColorSpaceGenericRGB is deprecated on iPhone? http://stackoverflow.com/questions/560254/kcgcolorspacegenericrgb-is-deprecated-on-iphone pixelsWide int pixelsHigh CGContextRef context NULL CGColorSpaceRef colorSpace void bitmapData int bitmapByteCount int bitmapBytesPerRow bitmapBytesPerRow pixelsWide 4 1 bitmapByteCount bitmapBytesPerRow pixelsHigh colorSpace CGColorSpaceCreateWithName kCGColorSpaceGenericRGB.. CGContextRef context NULL CGColorSpaceRef colorSpace void bitmapData int bitmapByteCount int bitmapBytesPerRow bitmapBytesPerRow pixelsWide 4 1 bitmapByteCount bitmapBytesPerRow pixelsHigh colorSpace CGColorSpaceCreateWithName kCGColorSpaceGenericRGB.. colorSpace void bitmapData int bitmapByteCount int bitmapBytesPerRow bitmapBytesPerRow pixelsWide 4 1 bitmapByteCount bitmapBytesPerRow pixelsHigh colorSpace CGColorSpaceCreateWithName kCGColorSpaceGenericRGB 2 bitmapData malloc bitmapByteCount 3 if bitmapData..
How to pull out the ARGB component from BitmapContext on iPhone? http://stackoverflow.com/questions/561663/how-to-pull-out-the-argb-component-from-bitmapcontext-on-iphone and use 'pixelData' as the pointer CGContextRef context NULL CGColorSpaceRef colorSpace int bitmapByteCount int bitmapBytesPerRow bitmapBytesPerRow image.size.width 4 bitmapByteCount bitmapBytesPerRow image.size.height colorSpace CGColorSpaceCreateDeviceRGB.. as the pointer CGContextRef context NULL CGColorSpaceRef colorSpace int bitmapByteCount int bitmapBytesPerRow bitmapBytesPerRow image.size.width 4 bitmapByteCount bitmapBytesPerRow image.size.height colorSpace CGColorSpaceCreateDeviceRGB pixelData.. colorSpace int bitmapByteCount int bitmapBytesPerRow bitmapBytesPerRow image.size.width 4 bitmapByteCount bitmapBytesPerRow image.size.height colorSpace CGColorSpaceCreateDeviceRGB pixelData malloc bitmapByteCount unsigned char pixelData is defined..
OpenGL ES 2.0 / MonoTouch: Texture is colorized red http://stackoverflow.com/questions/7986153/opengl-es-2-0-monotouch-texture-is-colorized-red CGBitmapContext CreateARGBBitmapContext CGImage inImage var pixelsWide inImage.Width var pixelsHigh inImage.Height var bitmapBytesPerRow pixelsWide 4 var bitmapByteCount bitmapBytesPerRow pixelsHigh Note implicit colorSpace.Dispose using var colorSpace CGColorSpace.CreateDeviceRGB.. var pixelsWide inImage.Width var pixelsHigh inImage.Height var bitmapBytesPerRow pixelsWide 4 var bitmapByteCount bitmapBytesPerRow pixelsHigh Note implicit colorSpace.Dispose using var colorSpace CGColorSpace.CreateDeviceRGB Allocate the bitmap and create.. throw new Exception Memory not allocated. var context new CGBitmapContext bitmapData pixelsWide pixelsHigh 8 bitmapBytesPerRow colorSpace CGImageAlphaInfo.PremultipliedFirst if context null throw new Exception Context not created return context..
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