/*
 * Copyright (C) 2005-2020 Centre National d'Etudes Spatiales (CNES)
 *
 * This file is part of Orfeo Toolbox
 *
 *     https://www.orfeo-toolbox.org/
 *
 * 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
 *
 * 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 "otbImageIOFactory.h"
#include "itkMacro.h"
#include <iostream>

#include "otbImageFileWriter.h"
#include "otbImageFileReader.h"
#include "otbImage.h"
#include "otbVectorImage.h"


int negativespacing(int itkNotUsed(argc), char* itkNotUsed(argv)[])
{
  typedef float      InputPixelType;
  const unsigned int Dimension = 2;

  typedef otb::Image<InputPixelType, Dimension> OTBInputImageType;

  typedef otb::ImageFileReader<OTBInputImageType> OTBReaderType;
  typedef otb::ImageFileWriter<OTBInputImageType> OTBWriterType;

  OTBReaderType::Pointer otbReader(OTBReaderType::New());
  OTBWriterType::Pointer otbWriter(OTBWriterType::New());
  otbReader->SetFileName("/home/antoine/dev/my_data/spacing/input_negat_spacing.tif");
  otbWriter->SetFileName("/home/antoine/dev/my_data/spacing/input_negat_spacing_result.tif");
  otbReader->UpdateOutputInformation();

  otbReader->Update();
  OTBInputImageType::Pointer otbinput = otbReader->GetOutput();

  std::cout << otbinput->GetSpacing() << std::endl;
  auto spacing = otbinput->GetSpacing();
  // spacing[0] = -spacing[0];
  otbinput->SetSignedSpacing(spacing);
  std::cout << otbinput->GetSpacing() << std::endl;
  std::cout << otbinput->GetSignedSpacing() << std::endl;
  otbWriter->SetInput(otbReader->GetOutput());
  otbWriter->Update();
  std::cout << "OTBWriter" << std::endl;

  return EXIT_SUCCESS;
}
