ImageDescriptionArray JPEGInstance::Open( const String& filePath, const IsoString& hints )
{
Close();
try
{
Exception::EnableConsoleOutput();
JPEGImageOptions jpegOptions = JPEGFormat::DefaultOptions();
IsoStringList theHints;
hints.Break( theHints, ' ', true/*trim*/ );
theHints.Remove( IsoString() );
for ( IsoStringList::const_iterator i = theHints.Begin(); i < theHints.End(); ++i )
if ( *i == "verbosity" )
{
if ( ++i == theHints.End() )
break;
int n;
if ( i->TryToInt( n ) )
jpegOptions.verbosity = Range( n, 0, 3 );
}
m_reader = new JPEGReader;
m_reader->SetJPEGOptions( jpegOptions );
m_reader->Open( filePath );
return ImageDescriptionArray() << ImageDescription( m_reader->Info(), m_reader->Options() );
}
catch ( ... )
{
Close();
throw;
}
}
void JPEGInstance::Create( const String& filePath, int numberOfImages, const IsoString& hints )
{
Close();
Exception::EnableConsoleOutput();
m_writer = new JPEGWriter;
m_writer->Create( filePath );
JPEGImageOptions jpegOptions = JPEGFormat::DefaultOptions();
IsoStringList theHints;
hints.Break( theHints, ' ', true/*trim*/ );
theHints.Remove( IsoString() );
for ( IsoStringList::const_iterator i = theHints.Begin(); i < theHints.End(); ++i )
{
if ( *i == "quality" )
{
if ( ++i == theHints.End() )
break;
int q = jpegOptions.quality;
if ( i->TryToInt( q ) )
jpegOptions.quality = Range( q, 0, 100 );
}
else if ( *i == "optimized" )
jpegOptions.optimizedCoding = true;
else if ( *i == "no-optimized" )
jpegOptions.optimizedCoding = false;
else if ( *i == "arithmetic" )
jpegOptions.arithmeticCoding = true;
else if ( *i == "huffman" )
jpegOptions.arithmeticCoding = false;
else if ( *i == "progressive" )
jpegOptions.progressive = true;
else if ( *i == "no-progressive" )
jpegOptions.progressive = false;
else if ( *i == "verbosity" )
{
if ( ++i == theHints.End() )
break;
int n;
if ( i->TryToInt( n ) )
jpegOptions.verbosity = Range( n, 0, 3 );
}
}
m_writer->SetJPEGOptions( jpegOptions );
}
void JPCInstance::Create( const String& filePath, int/*numberOfImages*/, const IsoString& hints )
{
Close();
Exception::EnableConsoleOutput();
m_path = filePath;
IsoStringList theHints;
hints.Break( theHints, ' ', true/*trim*/ );
theHints.Remove( IsoString() );
for ( IsoStringList::const_iterator i = theHints.Begin(); i < theHints.End(); ++i )
{
if ( *i == "lossy" )
m_jp2Options.lossyCompression = true;
else if ( *i == "lossless" )
m_jp2Options.lossyCompression = false;
else if ( *i == "compression-rate" )
{
if ( ++i == theHints.End() )
break;
if ( i->TryToFloat( m_jp2Options.compressionRate ) )
m_jp2Options.compressionRate = Range( m_jp2Options.compressionRate, 0.01F, 0.99F );
}
else if ( *i == "signed" )
m_jp2Options.signedSample = true;
else if ( *i == "unsigned" )
m_jp2Options.signedSample = false;
else if ( *i == "tiled" )
m_jp2Options.tiledImage = true;
else if ( *i == "untiled" )
m_jp2Options.tiledImage = true;
else if ( *i == "tile-width" )
{
if ( ++i == theHints.End() )
break;
if ( i->TryToInt( m_jp2Options.tileWidth ) )
m_jp2Options.tileWidth = Range( m_jp2Options.tileWidth, 16, 8192 );
}
else if ( *i == "tile-height" )
{
if ( ++i == theHints.End() )
break;
if ( i->TryToInt( m_jp2Options.tileHeight ) )
m_jp2Options.tileHeight = Range( m_jp2Options.tileHeight, 16, 8192 );
}
else if ( *i == "layers" )
{
if ( ++i == theHints.End() )
break;
if ( i->TryToInt( m_jp2Options.numberOfLayers ) )
m_jp2Options.numberOfLayers = Range( m_jp2Options.numberOfLayers, 1, 10 );
}
else if ( *i == "lrcp" )
m_jp2Options.progressionOrder = JPEG2000ProgressionOrder::LRCP;
else if ( *i == "rlcp" )
m_jp2Options.progressionOrder = JPEG2000ProgressionOrder::RLCP;
else if ( *i == "rpcl" )
m_jp2Options.progressionOrder = JPEG2000ProgressionOrder::RPCL;
else if ( *i == "pcrl" )
m_jp2Options.progressionOrder = JPEG2000ProgressionOrder::PCRL;
else if ( *i == "cprl" )
m_jp2Options.progressionOrder = JPEG2000ProgressionOrder::CPRL;
}
}
