public static bool ProcessOneFile(string filename, string outfilename)
{
PixmapReader reader = new PixmapReader();
reader.SetFileName(filename);
if (!reader.Read())
{
System.Console.WriteLine("Could not read: " + filename);
return(false);
}
ImageChangeTransferSyntax change = new ImageChangeTransferSyntax();
change.SetForce(false); // do we really want to recompress when input is alread compressed in same alg ?
change.SetCompressIconImage(false); // Keep it simple
change.SetTransferSyntax(new TransferSyntax(TransferSyntax.TSType.JPEG2000Lossless));
change.SetInput(reader.GetPixmap());
if (!change.Change())
{
System.Console.WriteLine("Could not change: " + filename);
return(false);
}
gdcm.FileMetaInformation fmi = reader.GetFile().GetHeader();
// The following three lines make sure to regenerate any value:
fmi.Remove(new gdcm.Tag(0x0002, 0x0012));
fmi.Remove(new gdcm.Tag(0x0002, 0x0013));
fmi.Remove(new gdcm.Tag(0x0002, 0x0016));
PixmapWriter writer = new PixmapWriter();
writer.SetFileName(outfilename);
writer.SetFile(reader.GetFile());
gdcm.Bitmap bitout = change.GetOutput();
gdcm.Pixmap pixout = (gdcm.Pixmap)bitout;
//System.Console.WriteLine( "Debug: " + pixout.toString() );
writer.SetPixmap(pixout);
if (!writer.Write())
{
System.Console.WriteLine("Could not write: " + outfilename);
return(false);
}
return(true);
}
public static bool ProcessOneFile( string filename, string outfilename )
{
PixmapReader reader = new PixmapReader();
reader.SetFileName( filename );
if( !reader.Read() )
{
System.Console.WriteLine( "Could not read: " + filename );
return false;
}
ImageChangeTransferSyntax change = new ImageChangeTransferSyntax();
change.SetForce( false ); // do we really want to recompress when input is alread compressed in same alg ?
change.SetCompressIconImage( false ); // Keep it simple
change.SetTransferSyntax( new TransferSyntax( TransferSyntax.TSType.JPEG2000Lossless ) );
change.SetInput( reader.GetPixmap() );
if( !change.Change() )
{
System.Console.WriteLine( "Could not change: " + filename );
return false;
}
gdcm.FileMetaInformation fmi = reader.GetFile().GetHeader();
// The following three lines make sure to regenerate any value:
fmi.Remove( new gdcm.Tag(0x0002,0x0012) );
fmi.Remove( new gdcm.Tag(0x0002,0x0013) );
fmi.Remove( new gdcm.Tag(0x0002,0x0016) );
PixmapWriter writer = new PixmapWriter();
writer.SetFileName( outfilename );
writer.SetFile( reader.GetFile() );
gdcm.Pixmap pixout = ((PixmapToPixmapFilter)change).GetOutput();
writer.SetPixmap( pixout );
if( !writer.Write() )
{
System.Console.WriteLine( "Could not write: " + outfilename );
return false;
}
return true;
}
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);
}
// The output of gdcm::Reader is a gdcm::File
File file = reader.GetFile();
// the dataset is the the set of element we are interested in:
DataSet ds = file.GetDataSet();
Image image = reader.GetImage();
//image.Print( cout );
ImageChangeTransferSyntax change = new ImageChangeTransferSyntax();
TransferSyntax targetts = new TransferSyntax(TransferSyntax.TSType.JPEGBaselineProcess1);
change.SetTransferSyntax(targetts);
// Setup our JPEGCodec, warning it should be compatible with JPEGBaselineProcess1
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); // poor quality !
change.SetUserCodec(jpegcodec); // specify the codec to use to the ImageChangeTransferSyntax
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((gdcm.Image)change.GetOutput());
writer.SetFile(reader.GetFile());
writer.SetFileName(outfilename);
if (!writer.Write())
{
System.Console.WriteLine("Could not write: " + outfilename);
return(1);
}
return(0);
}
public static int Main(string[] args)
{
string filename = args[0];
// instanciate the reader:
gdcm.ImageReader reader = new gdcm.ImageReader();
reader.SetFileName( filename );
if (!reader.Read()) return 1;
Image ir = reader.GetImage();
uint[] dims = {0, 0, 0};
dims[0] = ir.GetDimension(0);
dims[1] = ir.GetDimension(1);
dims[2] = ir.GetDimension(2);
System.Console.WriteLine( "Dim:" + dims[0] );
System.Console.WriteLine( "Dim:" + dims[1] );
System.Console.WriteLine( "Dim:" + dims[2] );
// buffer to get the pixels
byte[] buffer = new byte[ ir.GetBufferLength()];
System.Console.WriteLine( "Dim:" + ir.GetBufferLength() );
ir.GetBuffer( buffer );
for (uint z = 0; z < dims[2]; z++)
{
for (uint y = 0; y < dims[1] / 2; y++) // only half Y
{
for (uint x = 0; x < dims[0] / 2; x++) // only half X
{
buffer[ (z * dims[1] + y) * dims[0] + x ] = 0; // works when pixel type == UINT8
}
}
}
DataElement pixeldata = new DataElement( new Tag(0x7fe0,0x0010) );
pixeldata.SetByteValue( buffer, new VL( (uint)buffer.Length ) );
ir.SetDataElement( pixeldata );
ir.SetTransferSyntax( new TransferSyntax( TransferSyntax.TSType.ExplicitVRLittleEndian ) );
ImageChangeTransferSyntax change = new ImageChangeTransferSyntax();
change.SetTransferSyntax( new TransferSyntax( TransferSyntax.TSType.JPEGLSLossless ) );
change.SetInput( ir );
if( !change.Change() )
{
System.Console.WriteLine( "Could not change: " + filename );
return 1;
}
ImageWriter writer = new ImageWriter();
writer.SetFileName( "out.dcm" );
writer.SetFile( reader.GetFile() );
writer.SetImage( change.GetOutput() );
bool ret = writer.Write();
if( !ret )
{
return 1;
}
return 0;
}
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;
}
// The output of gdcm::Reader is a gdcm::File
File file = reader.GetFile();
// the dataset is the the set of element we are interested in:
DataSet ds = file.GetDataSet();
Image image = reader.GetImage();
//image.Print( cout );
ImageChangeTransferSyntax change = new ImageChangeTransferSyntax();
TransferSyntax targetts = new TransferSyntax( TransferSyntax.TSType.JPEGBaselineProcess1 );
change.SetTransferSyntax( targetts );
// Setup our JPEGCodec, warning it should be compatible with JPEGBaselineProcess1
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 ); // poor quality !
change.SetUserCodec( jpegcodec ); // specify the codec to use to the ImageChangeTransferSyntax
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;
}
public static int Main(string[] args)
{
string filename = args[0];
// instanciate the reader:
gdcm.ImageReader reader = new gdcm.ImageReader();
reader.SetFileName(filename);
if (!reader.Read())
{
return(1);
}
Image ir = reader.GetImage();
uint[] dims = { 0, 0, 0 };
dims[0] = ir.GetDimension(0);
dims[1] = ir.GetDimension(1);
dims[2] = ir.GetDimension(2);
System.Console.WriteLine("Dim:" + dims[0]);
System.Console.WriteLine("Dim:" + dims[1]);
System.Console.WriteLine("Dim:" + dims[2]);
// buffer to get the pixels
byte[] buffer = new byte[ir.GetBufferLength()];
System.Console.WriteLine("Dim:" + ir.GetBufferLength());
ir.GetBuffer(buffer);
for (uint z = 0; z < dims[2]; z++)
{
for (uint y = 0; y < dims[1] / 2; y++) // only half Y
{
for (uint x = 0; x < dims[0] / 2; x++) // only half X
{
buffer[(z * dims[1] + y) * dims[0] + x] = 0; // works when pixel type == UINT8
}
}
}
DataElement pixeldata = new DataElement(new Tag(0x7fe0, 0x0010));
pixeldata.SetByteValue(buffer, new VL((uint)buffer.Length));
ir.SetDataElement(pixeldata);
ir.SetTransferSyntax(new TransferSyntax(TransferSyntax.TSType.ExplicitVRLittleEndian));
ImageChangeTransferSyntax change = new ImageChangeTransferSyntax();
change.SetTransferSyntax(new TransferSyntax(TransferSyntax.TSType.JPEGLSLossless));
change.SetInput(ir);
if (!change.Change())
{
System.Console.WriteLine("Could not change: " + filename);
return(1);
}
ImageWriter writer = new ImageWriter();
writer.SetFileName("out.dcm");
writer.SetFile(reader.GetFile());
writer.SetImage(change.GetOutput());
bool ret = writer.Write();
if (!ret)
{
return(1);
}
return(0);
}
