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/*=========================================================================
Program: GDCM (Grassroots DICOM). A DICOM library
Copyright (c) 2006-2011 Mathieu Malaterre
All rights reserved.
See Copyright.txt or http://gdcm.sourceforge.net/Copyright.html for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
/*
*/
using System;
using gdcm;
public class BasicImageAnonymizer
{
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;
}
}
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