/*
 * 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 "itkMacro.h"

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

int otbImageListToVectorImageFilter(int itkNotUsed(argc), char* argv[])
{
  const unsigned int    Dimension = 2;
  typedef unsigned char PixelType;

  char* infname1 = argv[1];
  char* infname2 = argv[2];
  char* infname3 = argv[3];
  char* outfname = argv[4];

  typedef otb::Image<PixelType, Dimension>       ImageType;
  typedef otb::VectorImage<PixelType, Dimension> VectorImageType;
  typedef otb::ImageList<ImageType> ImageListType;

  // IO
  typedef otb::ImageFileReader<ImageType>       ReaderType;
  typedef otb::ImageFileWriter<VectorImageType> WriterType;

  typedef otb::ImageListToVectorImageFilter<ImageListType, VectorImageType> ImageListToVectorImageFilterType;

  // Instantiating object
  ImageListToVectorImageFilterType::Pointer filter = ImageListToVectorImageFilterType::New();

  // Building image list

  ReaderType::Pointer reader1, reader2, reader3;

  reader1 = ReaderType::New();
  reader1->SetFileName(infname1);

  reader2 = ReaderType::New();
  reader2->SetFileName(infname2);

  reader3 = ReaderType::New();
  reader3->SetFileName(infname3);

  ImageListType::Pointer imageList = ImageListType::New();
  imageList->PushBack(reader1->GetOutput());
  imageList->PushBack(reader2->GetOutput());
  imageList->PushBack(reader3->GetOutput());

  filter->SetInput(imageList);

  WriterType::Pointer writer = WriterType::New();
  writer->SetInput(filter->GetOutput());
  writer->SetFileName(outfname);
  writer->Update();

  return EXIT_SUCCESS;
}
