// Create a 256 x 256 Secondary Capture Image Storage
static private void CreateSmallDICOM(string fileName)
{
using (var writer = new gdcm.PixmapWriter())
{
gdcm.Pixmap img = writer.GetImage();
img.SetNumberOfDimensions(3);
img.SetDimension(0, 512);
img.SetDimension(1, 512);
img.SetDimension(2, 2); // fake a 3d volume
PhotometricInterpretation pi = new PhotometricInterpretation(PhotometricInterpretation.PIType.MONOCHROME2);
img.SetPhotometricInterpretation(pi);
gdcm.DataElement pixeldata = new gdcm.DataElement(new gdcm.Tag(0x7fe0, 0x0010));
byte[] buffer = new byte[512 * 512 * 2];
pixeldata.SetByteValue(buffer, new gdcm.VL((uint)buffer.Length));
img.SetDataElement(pixeldata);
gdcm.File file = writer.GetFile();
gdcm.DataSet ds = file.GetDataSet();
gdcm.DataElement ms = new gdcm.DataElement(new gdcm.Tag(0x0008, 0x0016));
string mediastorage = "1.2.840.10008.5.1.4.1.1.7.2"; // Multi-frame Grayscale Byte Secondary Capture Image Storage
byte[] val = StrToByteArray(mediastorage);
ms.SetByteValue(val, new gdcm.VL((uint)val.Length));
ds.Insert(ms);
writer.SetFileName(fileName);
writer.Write();
}
}
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);
}
