ImageTargetFileQuartz::ImageTargetFileQuartz( DataTargetRef dataTarget, ImageSourceRef imageSource, ImageTarget::Options options, const std::string &extensionData )
: cocoa::ImageTargetCgImage( imageSource, options )
{
cocoa::SafeCfString uti = cocoa::createSafeCfString( extensionData );
mImageDest = NULL;
if( dataTarget->providesFilePath() ) {
cocoa::SafeCfString pathString = cocoa::createSafeCfString( dataTarget->getFilePath().string() );
const std::shared_ptr<__CFURL> urlRef( (__CFURL*)::CFURLCreateWithFileSystemPath( kCFAllocatorDefault, pathString.get(), kCFURLPOSIXPathStyle, false ), cocoa::safeCfRelease );
mImageDest = ::CGImageDestinationCreateWithURL( urlRef.get(), uti.get(), 1, NULL );
}
else if( dataTarget->providesUrl() ) {
std::shared_ptr<__CFURL> urlRef( (__CFURL*)cocoa::createCfUrl( dataTarget->getUrl() ), cocoa::safeCfRelease );
mImageDest = ::CGImageDestinationCreateWithURL( urlRef.get(), uti.get(), 1, NULL );
}
else { // we'll wrap a cinder::OStream in a CGDataConsumer for output
OStreamRef *ostreamRef = new OStreamRef( dataTarget->getStream() );
::CGDataConsumerCallbacks callbacks;
callbacks.putBytes = cgDataConsumerPutBytes;
callbacks.releaseConsumer = cgDataConsumerRelease;
std::shared_ptr<CGDataConsumer> consumer( ::CGDataConsumerCreate( ostreamRef, &callbacks ), ::CGDataConsumerRelease );
mImageDest = ::CGImageDestinationCreateWithDataConsumer( consumer.get(), uti.get(), 1, NULL );
}
if( ! mImageDest )
throw ImageIoExceptionFailedWrite();
setupImageDestOptions( options );
}
ImageTargetFileTinyExr::ImageTargetFileTinyExr( DataTargetRef dataTarget, ImageSourceRef imageSource, ImageTarget::Options options, const std::string & /*extensionData*/ )
{
if( ! dataTarget->providesFilePath() ) {
throw ImageIoExceptionFailedWrite( "ImageTargetFileTinyExr only supports writing to files." );
}
mFilePath = dataTarget->getFilePath();
setSize( imageSource->getWidth(), imageSource->getHeight() );
ImageIo::ColorModel cm = options.isColorModelDefault() ? imageSource->getColorModel() : options.getColorModel();
switch( cm ) {
case ImageIo::ColorModel::CM_RGB:
mNumComponents = ( imageSource->hasAlpha() ) ? 4 : 3;
setColorModel( ImageIo::ColorModel::CM_RGB );
setChannelOrder( ( mNumComponents == 3 ) ? ImageIo::ChannelOrder::BGR : ImageIo::ChannelOrder::ABGR );
if( mNumComponents == 3 )
mChannelNames = { "G", "B", "R" };
else
mChannelNames = { "A", "G", "B", "R" };
break;
case ImageIo::ColorModel::CM_GRAY:
mNumComponents = ( imageSource->hasAlpha() ) ? 2 : 1;
setColorModel( ImageIo::ColorModel::CM_GRAY );
setChannelOrder( ( mNumComponents == 2 ) ? ImageIo::ChannelOrder::YA : ImageIo::ChannelOrder::Y );
if( mNumComponents == 2 )
mChannelNames = { "Y", "A" };
else
mChannelNames = { "Y" };
break;
default:
throw ImageIoExceptionIllegalColorModel();
}
// TODO: consider supporting half float and uint types as well
setDataType( ImageIo::DataType::FLOAT32 );
mData.resize( mHeight * imageSource->getWidth() * mNumComponents );
}
ImageTargetFileStbImage::ImageTargetFileStbImage( DataTargetRef dataTarget, ImageSourceRef imageSource, ImageTarget::Options options, const std::string &extensionData )
{
if( ! dataTarget->providesFilePath() ) {
throw ImageIoExceptionFailedWrite( "ImageTargetFileStbImage only supports writing to files." );
}
mFilePath = dataTarget->getFilePath();
setSize( imageSource->getWidth(), imageSource->getHeight() );
ImageIo::ColorModel cm = options.isColorModelDefault() ? imageSource->getColorModel() : options.getColorModel();
switch( cm ) {
case ImageIo::ColorModel::CM_RGB:
mNumComponents = ( imageSource->hasAlpha() ) ? 4 : 3;
setColorModel( ImageIo::ColorModel::CM_RGB );
setChannelOrder( ( mNumComponents == 4 ) ? ImageIo::ChannelOrder::RGBA : ImageIo::ChannelOrder::RGB );
break;
case ImageIo::ColorModel::CM_GRAY:
mNumComponents = ( imageSource->hasAlpha() ) ? 2 : 1;
setColorModel( ImageIo::ColorModel::CM_GRAY );
setChannelOrder( ( mNumComponents == 2 ) ? ImageIo::ChannelOrder::YA : ImageIo::ChannelOrder::Y );
break;
default:
throw ImageIoExceptionIllegalColorModel();
}
mExtension = extensionData;
if( mExtension == "hdr" ) { // Radiance files are always float*
setDataType( ImageIo::DataType::FLOAT32 );
mRowBytes = mNumComponents * imageSource->getWidth() * sizeof(float);
}
else {
setDataType( ImageIo::DataType::UINT8 );
mRowBytes = mNumComponents * imageSource->getWidth() * sizeof(float);
}
mData = std::unique_ptr<uint8_t[]>( new uint8_t[mWidth * mRowBytes] );
}
