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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 "itkAnalyzeImageIOTest.h"
int itkAnalyzeImageIORGBImageTest(int ac, char* av[])
{
//
// first argument is passing in the writable directory to do all testing
if(ac > 1)
{
char *testdir = *++av;
--ac;
itksys::SystemTools::ChangeDirectory(testdir);
}
const unsigned int Dimension = 3;
typedef itk::RGBPixel<unsigned char> RGBPixelType;
typedef itk::Image<RGBPixelType, Dimension> RGBImageType;
RGBImageType::Pointer im(NewRGBImage<RGBImageType>());
itk::ImageRegionIterator<RGBImageType> it(im,im->GetLargestPossibleRegion());
RGBImageType::DirectionType dir(CORDirCosines<RGBImageType>());
im->SetDirection(dir);
vnl_random randgen(8775070);
for(it.GoToBegin(); !it.IsAtEnd(); ++it)
{
RGBPixelType pixel;
pixel[0] = static_cast<RGBPixelType::ValueType>(randgen.lrand32(0,255));
pixel[1] = static_cast<RGBPixelType::ValueType>(randgen.lrand32(0,255));
pixel[2] = static_cast<RGBPixelType::ValueType>(randgen.lrand32(0,255));
it.Set(pixel);
}
int status(EXIT_SUCCESS);
const std::string filename("RGBImageTest.hdr");
try
{
itk::IOTestHelper::WriteImage<RGBImageType,itk::AnalyzeImageIO>(im,filename);
}
catch ( itk::ExceptionObject & ex )
{
std::string message;
message = "Problem found while writing ";
message += filename;
message += "\n";
message += ex.GetLocation();
message += "\n";
message += ex.GetDescription();
std::cerr << message << std::endl;
status = EXIT_FAILURE;
}
if(status == EXIT_SUCCESS)
{
RGBImageType::Pointer im2;
try
{
im2 = itk::IOTestHelper::ReadImage<RGBImageType>(filename);
}
catch ( itk::ExceptionObject & ex )
{
std::string message;
message = "Problem found while reading ";
message += filename;
message += "\n";
message += ex.GetLocation();
message += "\n";
message += ex.GetDescription();
std::cerr << message << std::endl;
status = EXIT_FAILURE;
}
if(status == EXIT_SUCCESS)
{
itk::ImageRegionIterator<RGBImageType> it2(im2,im2->GetLargestPossibleRegion());
for(it.GoToBegin(),it2.GoToBegin();
!it.IsAtEnd() && !it2.IsAtEnd();
++it,++it2)
{
if(it.Value() != it2.Value())
{
std::cout << "Pixel "
<< it2.Value() << " (from disk) != "
<< it.Value() << " (original image)"
<< std::endl;
status = EXIT_FAILURE;
}
}
}
}
itk::IOTestHelper::Remove(filename.c_str());
return status;
}
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