///////////////////////////////////////////////////////////////////////////////
// ImageSourceFileQuartz
ImageSourceFileQuartzRef ImageSourceFileQuartz::createFileQuartzRef( DataSourceRef dataSourceRef, ImageSource::Options options )
{
std::shared_ptr<CGImageSource> sourceRef;
std::shared_ptr<CGImage> imageRef;
::CFStringRef keys[1] = { kCGImageSourceShouldAllowFloat };
::CFBooleanRef values[1] = { kCFBooleanTrue };
const std::shared_ptr<__CFDictionary> optionsDict( (__CFDictionary*)CFDictionaryCreate( kCFAllocatorDefault, (const void **)&keys, (const void **)&values, 1, NULL, NULL ), cocoa::safeCfRelease );
if( dataSourceRef->isFilePath() ) {
::CFStringRef pathString = cocoa::createCfString( dataSourceRef->getFilePath().string() );
::CFURLRef urlRef = ::CFURLCreateWithFileSystemPath( kCFAllocatorDefault, pathString, kCFURLPOSIXPathStyle, false );
sourceRef = std::shared_ptr<CGImageSource>( ::CGImageSourceCreateWithURL( urlRef, optionsDict.get() ), cocoa::safeCfRelease );
::CFRelease( pathString );
::CFRelease( urlRef );
}
else if( dataSourceRef->isUrl() ) {
::CFURLRef urlRef = cocoa::createCfUrl( dataSourceRef->getUrl() );
if( ! urlRef )
throw ImageIoExceptionFailedLoad();
sourceRef = std::shared_ptr<CGImageSource>( ::CGImageSourceCreateWithURL( urlRef, optionsDict.get() ), cocoa::safeCfRelease );
::CFRelease( urlRef );
}
else { // last ditch, we'll use a dataref from the buffer
::CFDataRef dataRef = cocoa::createCfDataRef( dataSourceRef->getBuffer() );
if( ! dataRef )
throw ImageIoExceptionFailedLoad();
sourceRef = std::shared_ptr<CGImageSource>( ::CGImageSourceCreateWithData( dataRef, optionsDict.get() ), cocoa::safeCfRelease );
::CFRelease( dataRef );
}
if( sourceRef ) {
imageRef = std::shared_ptr<CGImage>( ::CGImageSourceCreateImageAtIndex( sourceRef.get(), options.getIndex(), optionsDict.get() ), CGImageRelease );
if( ! imageRef )
throw ImageIoExceptionFailedLoad();
}
else
throw ImageIoExceptionFailedLoad();
const std::shared_ptr<__CFDictionary> imageProperties( (__CFDictionary*)::CGImageSourceCopyProperties( sourceRef.get(), NULL ), ::CFRelease );
const std::shared_ptr<__CFDictionary> imageIndexProperties( (__CFDictionary*)::CGImageSourceCopyPropertiesAtIndex( sourceRef.get(), options.getIndex(), NULL ), ::CFRelease );
return ImageSourceFileQuartzRef( new ImageSourceFileQuartz( imageRef.get(), options, imageProperties, imageIndexProperties ) );
}
///////////////////////////////////////////////////////////////////////////////
// ImageSourceFileQuartz
ImageSourceFileQuartzRef ImageSourceFileQuartz::createFileQuartzRef( DataSourceRef dataSourceRef )
{
::CGImageSourceRef sourceRef = NULL;
::CGImageRef imageRef = NULL;
::CFStringRef keys[1] = { kCGImageSourceShouldAllowFloat };
::CFBooleanRef values[1] = { kCFBooleanTrue };
::CFDictionaryRef optionsDict = ::CFDictionaryCreate( kCFAllocatorDefault, (const void **)&keys, (const void **)&values, 1, NULL, NULL );
if( dataSourceRef->isFilePath() ) {
::CFStringRef pathString = cocoa::createCfString( dataSourceRef->getFilePath() );
::CFURLRef urlRef = ::CFURLCreateWithFileSystemPath( kCFAllocatorDefault, pathString, kCFURLPOSIXPathStyle, false );
sourceRef = ::CGImageSourceCreateWithURL( urlRef, optionsDict );
::CFRelease( pathString );
::CFRelease( urlRef );
}
else if( dataSourceRef->isUrl() ) {
::CFURLRef urlRef = cocoa::createCfUrl( dataSourceRef->getUrl() );
if( ! urlRef )
throw ImageIoExceptionFailedLoad();
sourceRef = ::CGImageSourceCreateWithURL( urlRef, optionsDict );
::CFRelease( urlRef );
}
else { // last ditch, we'll use a dataref from the buffer
::CFDataRef dataRef = cocoa::createCfDataRef( dataSourceRef->getBuffer() );
if( ! dataRef )
throw ImageIoExceptionFailedLoad();
sourceRef = ::CGImageSourceCreateWithData( dataRef, optionsDict );
::CFRelease( dataRef );
}
if( sourceRef ) {
imageRef = ::CGImageSourceCreateImageAtIndex( sourceRef, 0, optionsDict );
::CFRelease( sourceRef );
if( ! imageRef )
throw ImageIoExceptionFailedLoad();
}
else
throw ImageIoExceptionFailedLoad();
return ImageSourceFileQuartzRef( new ImageSourceFileQuartz( imageRef ) );
}
