GDCM 2.2.1

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RescaleImage.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.
=========================================================================*/
/*
* Usage:
* $ export LD_LIBRARY_PATH=$HOME/Projects/gdcm/debug-gcc/bin
* $ mono bin/DecompressImage.exe gdcmData/012345.002.050.dcm rescaled.dcm
*/
using System;
using gdcm;
public class DecompressImage
{
public static int Main(string[] args)
{
string file1 = args[0];
ImageReader reader = new ImageReader();
reader.SetFileName( file1 );
bool ret = reader.Read();
if( !ret )
{
return 1;
}
Image image = reader.GetImage();
PixelFormat pixeltype = image.GetPixelFormat();
Rescaler r = new Rescaler();
r.SetIntercept( 0 );
r.SetSlope( 1.2 );
r.SetPixelFormat( pixeltype );
PixelFormat outputpt = new PixelFormat( r.ComputeInterceptSlopePixelType() );
System.Console.WriteLine( "pixeltype" );
System.Console.WriteLine( pixeltype.toString() );
System.Console.WriteLine( "outputpt" );
System.Console.WriteLine( outputpt.toString() );
uint len = image.GetBufferLength();
short[] input = new short[ len / 2 ]; // sizeof(short) == 2
image.GetArray( input );
double[] output = new double[ len / 2 ];
r.Rescale( output, input, len );
// First Pixel is:
System.Console.WriteLine( "Input:" );
System.Console.WriteLine( input[0] );
System.Console.WriteLine( "Output:" );
System.Console.WriteLine( output[0] );
return 0;
}
}