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/*=========================================================================
*
* Copyright Insight Software Consortium
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#include "vtkVersion.h"
#include "vtkSmartPointer.h"
#include "vtkImageData.h"
#include "vtkImageActor.h"
#include "vtkImageMapper3D.h"
#include "vtkRenderer.h"
#include "vtkRenderWindow.h"
#include "vtkRenderWindowInteractor.h"
#include "itkImage.h"
#include "itkImageToRGBVTKImageFilter.h"
#include "itkImageRegionIterator.h"
template< typename TImage >
void GenerateImage( typename TImage::Pointer ioImage )
{
typename TImage::IndexType index;
index.Fill( 0 );
typename TImage::SizeType size;
size.Fill( 50 );
typename TImage::RegionType region;
region.SetIndex( index );
region.SetSize( size );
typedef typename TImage::PixelType PixelType;
ioImage->SetRegions( region );
ioImage->Allocate();
ioImage->FillBuffer( itk::NumericTraits< PixelType >::ZeroValue() );
index.Fill( 10 );
region.SetIndex( index );
size.Fill( 30 );
region.SetSize( size );
typename itk::ImageRegionIterator< TImage > it( ioImage, region );
it.GoToBegin();
while( !it.IsAtEnd() )
{
it.Set( itk::NumericTraits< PixelType >::max() );
++it;
}
}
int itkImageToRGBVTKImageFilterTest( int argc, char* argv[] )
{
(void) argc;
(void) argv;
typedef unsigned char PixelType;
const unsigned int Dimension = 2;
typedef itk::Image< PixelType, Dimension > ImageType;
ImageType::Pointer image = ImageType::New();
GenerateImage< ImageType >( image );
typedef itk::ImageToRGBVTKImageFilter< ImageType > RGBConvertType;
RGBConvertType::Pointer converter = RGBConvertType::New();
converter->SetInput( image );
converter->Update();
vtkSmartPointer< vtkImageData > VTKImage = converter->GetOutput();
for( int i = 0; i < 50; i++ )
{
PixelType* vtkpixel =
static_cast< PixelType* >( VTKImage->GetScalarPointer( i, i, 0 ) );
vtkpixel[0] = 255;
vtkpixel[1] = 0;
vtkpixel[2] = 0;
vtkpixel =
static_cast< PixelType* >( VTKImage->GetScalarPointer( i, 49-i, 0 ) );
vtkpixel[0] = 0;
vtkpixel[1] = 0;
vtkpixel[2] = 255;
}
vtkSmartPointer< vtkImageActor > input_Actor =
vtkSmartPointer< vtkImageActor >::New();
#if VTK_MAJOR_VERSION <= 5
input_Actor->SetInput( VTKImage );
#else
input_Actor->GetMapper()->SetInputData( VTKImage );
#endif
vtkSmartPointer< vtkRenderer > ren =
vtkSmartPointer< vtkRenderer >::New();
ren->SetBackground( 0.5, 0.5, 0.5 );
vtkSmartPointer< vtkRenderWindowInteractor > iren =
vtkSmartPointer< vtkRenderWindowInteractor >::New();
vtkSmartPointer< vtkRenderWindow > renWin =
vtkSmartPointer< vtkRenderWindow >::New();
ren->AddActor ( input_Actor );
iren->SetRenderWindow( renWin );
renWin->AddRenderer( ren );
renWin->Render();
return EXIT_SUCCESS;
}
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