/*
 * 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 "otbScalarBufferToImageFileWriter.h"


int otbScalarBufferToImageFileWriterTest(int itkNotUsed(argc), char* argv[])
{
  unsigned int nbCh  = atoi(argv[1]);
  unsigned int sizeX = atoi(argv[2]);
  unsigned int sizeY = atoi(argv[3]);

  typedef otb::ScalarBufferToImageFileWriter<float, unsigned int> FilterType;
  FilterType::Pointer filter = FilterType::New();

  float* tab = new float[nbCh * sizeX * sizeY];

  int    cpt = 0;
  double val = 0.;
  for (unsigned int sx = 0; sx < sizeX; sx++)
  {
    for (unsigned int sy = 0; sy < sizeY; sy++)
    {
      for (unsigned int i = 0; i < nbCh; ++i)
      {
        tab[cpt++] = val;
        val++;
      }
    }
  }

  FilterType::SizeType size;
  size[0] = sizeX;
  size[1] = sizeY;
  filter->SetImageSize(size);
  filter->SetNumberOfChannels(nbCh);
  filter->SetBuffer(tab);
  filter->SetFileName(argv[4]);
  filter->SetInverseXSpacing(true);
  filter->Update();

  delete[] tab;
  tab = nullptr;

  return EXIT_SUCCESS;
}
