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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkComposeRGBImageFilterTest.cxx,v $
Language: C++
Date: $Date: 2006-01-15 04:28:36 $
Version: $Revision: 1.9 $
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm 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 notices for more information.
=========================================================================*/
#if defined(_MSC_VER)
#pragma warning ( disable : 4786 )
#endif
#include <iostream>
#include "itkImage.h"
#include "itkComposeRGBImageFilter.h"
#include "itkImageRegionIterator.h"
int itkComposeRGBImageFilterTest(int , char * [])
{
typedef unsigned char PixelType;
typedef itk::Image< PixelType, 3 > InputImageType;
typedef itk::ComposeRGBImageFilter< InputImageType > FilterType;
typedef InputImageType::RegionType RegionType;
typedef InputImageType::SizeType SizeType;
typedef InputImageType::IndexType IndexType;
FilterType::Pointer filter = FilterType::New();
InputImageType::Pointer redImage = InputImageType::New();
InputImageType::Pointer greenImage = InputImageType::New();
InputImageType::Pointer blueImage = InputImageType::New();
SizeType size;
size[0] = 2;
size[1] = 2;
size[2] = 2;
IndexType start;
start.Fill( 0 );
RegionType region;
region.SetIndex( start );
region.SetSize( size );
redImage->SetRegions( region );
greenImage->SetRegions( region );
blueImage->SetRegions( region );
redImage->Allocate();
greenImage->Allocate();
blueImage->Allocate();
redImage->FillBuffer( 29 );
greenImage->FillBuffer( 51 );
blueImage->FillBuffer( 83 );
filter->SetInput1( redImage );
filter->SetInput2( greenImage );
filter->SetInput3( blueImage );
try
{
filter->Update();
filter->SetFunctor(filter->GetFunctor());
}
catch( itk::ExceptionObject & excp )
{
std::cerr << "Exception caught !" << std::endl;
std::cerr << excp << std::endl;
return EXIT_FAILURE;
}
typedef FilterType::OutputImageType OutputImageType;
OutputImageType::Pointer rgbImage = filter->GetOutput();
typedef itk::ImageRegionIterator<OutputImageType> OutputIterator;
typedef itk::ImageRegionIterator<InputImageType> InputIterator;
InputIterator ir( redImage, region );
InputIterator ig( greenImage, region );
InputIterator ib( blueImage, region );
OutputIterator ot( rgbImage, region );
ir.GoToBegin();
ig.GoToBegin();
ib.GoToBegin();
ot.GoToBegin();
typedef OutputImageType::PixelType OutputPixelType;
while( !ot.IsAtEnd() )
{
OutputPixelType outp = ot.Get();
if( ir.Get() != outp.GetRed() )
{
std::cerr << "Error in red component" << std::endl;
return EXIT_FAILURE;
}
if( ig.Get() != outp.GetGreen() )
{
std::cerr << "Error in green component" << std::endl;
return EXIT_FAILURE;
}
if( ib.Get() != outp.GetBlue() )
{
std::cerr << "Error in blue component" << std::endl;
return EXIT_FAILURE;
}
++ot;
++ir;
++ig;
++ib;
}
std::cout << "Test Passed !" << std::endl;
return EXIT_SUCCESS;
}
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