using System;
using gdcm;
public class CompressLossyJPEG
{
public static int Main(string[] args)
{
if( args.Length < 2 )
{
System.Console.WriteLine( " input.dcm output.dcm" );
return 1;
}
string filename = args[0];
string outfilename = args[1];
ImageReader reader = new ImageReader();
reader.SetFileName( filename );
if( !reader.Read() )
{
System.Console.WriteLine( "Could not read: " + filename );
return 1;
}
File file = reader.GetFile();
DataSet ds = file.GetDataSet();
Image image = reader.GetImage();
ImageChangeTransferSyntax change = new ImageChangeTransferSyntax();
TransferSyntax targetts = new TransferSyntax( TransferSyntax.TSType.JPEGBaselineProcess1 );
change.SetTransferSyntax( targetts );
JPEGCodec jpegcodec = new JPEGCodec();
if( !jpegcodec.CanCode( targetts ) )
{
System.Console.WriteLine( "Something went really wrong, JPEGCodec cannot handle JPEGBaselineProcess1" );
return 1;
}
jpegcodec.SetLossless( false );
jpegcodec.SetQuality( 50 );
change.SetUserCodec( jpegcodec );
change.SetInput( image );
bool b = change.Change();
if( !b )
{
System.Console.WriteLine( "Could not change the Transfer Syntax" );
return 1;
}
ImageWriter writer = new ImageWriter();
writer.SetImage( change.GetOutput() );
writer.SetFile( reader.GetFile() );
writer.SetFileName( outfilename );
if( !writer.Write() )
{
System.Console.WriteLine( "Could not write: " + outfilename );
return 1;
}
return 0;
}
}