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2014/10/15 ¤U¤È 10:05:00

iphone Programming Glossary: cgcolorspace

Extracting images from a PDF

http://stackoverflow.com/questions/2475450/extracting-images-from-a-pdf

filename return NULL return document CGFloat decodeValuesFromImageDictionary CGPDFDictionaryRef dict CGColorSpaceRef cgColorSpace NSInteger bitsPerComponent CGFloat decodeValues NULL CGPDFArrayRef decodeArray NULL if CGPDFDictionaryGetArray dict Decode.. i CGPDFArrayGetNumber decodeArray i realValue decodeValues i realValue else size_t n switch CGColorSpaceGetModel cgColorSpace case kCGColorSpaceModelMonochrome decodeValues malloc sizeof CGFloat 2 decodeValues 0 0.0 decodeValues 1 1.0 break.. 1.0 break case kCGColorSpaceModelLab break case kCGColorSpaceModelDeviceN n CGColorSpaceGetNumberOfComponents cgColorSpace 2 decodeValues malloc sizeof CGFloat n 2 for int i 0 i n i decodeValues i i 2 0 0.0 1.0 break case kCGColorSpaceModelIndexed..