BasicImageAnonymizer.cs
/*=========================================================================
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];
// instantiate 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;
}
}
gdcm::BitmapToBitmapFilter::SetInput
void SetInput(const Bitmap &image)
Set input image.
gdcm::Bitmap::GetBufferLength
unsigned long GetBufferLength() const
gdcm::Bitmap::SetDataElement
void SetDataElement(DataElement const &de)
Definition gdcmBitmap.h:76
gdcm::Bitmap::SetTransferSyntax
void SetTransferSyntax(TransferSyntax const &ts)
Transfer syntax.
Definition gdcmBitmap.h:69
gdcm::Bitmap::GetBuffer
bool GetBuffer(char *buffer) const
Access the raw data.
gdcm::Bitmap::GetDimension
unsigned int GetDimension(unsigned int idx) const
gdcm::DataElement
Class to represent a Data Element either Implicit or Explicit.
Definition gdcmDataElement.h:59
gdcm::DataElement::SetByteValue
void SetByteValue(const char *array, VL length)
Definition gdcmDataElement.h:126
gdcm::ImageChangeTransferSyntax
ImageChangeTransferSyntax class.
Definition gdcmImageChangeTransferSyntax.h:40
gdcm::ImageChangeTransferSyntax::SetTransferSyntax
void SetTransferSyntax(const TransferSyntax &ts)
Set target Transfer Syntax.
Definition gdcmImageChangeTransferSyntax.h:46
gdcm::ImageChangeTransferSyntax::Change
bool Change()
Change.
gdcm::ImageReader
ImageReader.
Definition gdcmImageReader.h:34
gdcm::ImageReader::GetImage
const Image & GetImage() const
Return the read image.
gdcm::ImageReader::Read
bool Read() override
gdcm::ImageToImageFilter::GetOutput
const Image & GetOutput() const
Get Output image.
gdcm::ImageWriter
ImageWriter.
Definition gdcmImageWriter.h:33
gdcm::ImageWriter::Write
bool Write() override
Write.
gdcm::Image
Image.
Definition gdcmImage.h:47
gdcm::PixmapWriter::SetImage
virtual void SetImage(Pixmap const &img)
gdcm::Reader::GetFile
const File & GetFile() const
Set/Get File.
Definition gdcmReader.h:72
gdcm::Reader::SetFileName
void SetFileName(const char *filename_native)
gdcm::System
Class to do system operation.
Definition gdcmSystem.h:27
gdcm::Tag
Class to represent a DICOM Data Element (Attribute) Tag (Group, Element).
Definition gdcmTag.h:39
gdcm::TransferSyntax
Class to manipulate Transfer Syntax.
Definition gdcmTransferSyntax.h:40
gdcm::TransferSyntax::TSType
TSType
Definition gdcmTransferSyntax.h:61
gdcm::VL
Value Length.
Definition gdcmVL.h:30
gdcm::Writer::SetFile
void SetFile(const File &f)
Set/Get the DICOM file (DataSet + Header).
Definition gdcmWriter.h:66
gdcm::Writer::SetFileName
void SetFileName(const char *filename_native)
Set the filename of DICOM file to write:
gdcm
Definition gdcmASN1.h:21