/*=========================================================================
 *
 *  Copyright NumFOCUS
 *
 *  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
 *
 *         https://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.
 *
 *=========================================================================*/

/**
 *
 *  This program illustrates the use of rasterization algorithm
 *  using a sphere of center (50,50,50) and radius 10 and
 *  creates a binary image of size (100,100,100)
 *
 */

#include "itkRegularSphereMeshSource.h"
#include "itkDefaultDynamicMeshTraits.h"
#include "itkImageFileWriter.h"
#include "itkTriangleMeshToBinaryImageFilter.h"
#include "itkTestingMacros.h"

int
itkTriangleMeshToBinaryImageFilterTest(int argc, char * argv[])
{
  // Declare the type of the input and output mesh
  using TriangleMeshTraits = itk::DefaultDynamicMeshTraits<double, 3, 3>;
  using TriangleMeshType = itk::Mesh<double, 3, TriangleMeshTraits>;

  // declare triangle mesh source
  using SphereMeshSourceType = itk::RegularSphereMeshSource<TriangleMeshType>;
  using PointType = SphereMeshSourceType::PointType;
  using VectorType = SphereMeshSourceType::VectorType;

  auto      mySphereMeshSource = SphereMeshSourceType::New();
  PointType center;
  center[0] = 50;
  center[1] = 50;
  center[2] = 50;
  PointType::ValueType scaleInit[3] = { 10, 10, 10 };
  const VectorType     scale = scaleInit;

  mySphereMeshSource->SetCenter(center);
  mySphereMeshSource->SetResolution(3);
  mySphereMeshSource->SetScale(scale);
  mySphereMeshSource->Update();

  std::cout << "Triangle mesh created. " << std::endl;
  std::cout << "with " << mySphereMeshSource->GetOutput()->GetNumberOfPoints() << " points";
  std::cout << "and " << mySphereMeshSource->GetOutput()->GetNumberOfCells() << " cells." << std::endl;

  std::cout << "Sending triangle mesh to rasterization algorithm. " << std::endl;
  using ImageType = itk::Image<unsigned char, 3>;

  using TriangleMeshToBinaryImageFilterType = itk::TriangleMeshToBinaryImageFilter<TriangleMeshType, ImageType>;
  auto imageFilter = TriangleMeshToBinaryImageFilterType::New();

  ITK_EXERCISE_BASIC_OBJECT_METHODS(imageFilter, TriangleMeshToBinaryImageFilter, ImageSource);


  ITK_TRY_EXPECT_EXCEPTION(imageFilter->Update());


  imageFilter->SetInput(mySphereMeshSource->GetOutput());
  auto size = ImageType::SizeType::Filled(100);
  imageFilter->SetSize(size);

  constexpr double dspacing[3]{ 2.0, 2.0, 2.0 };
  constexpr float  fspacing[3]{ 3.0, 3.0, 3.0 };
  constexpr double defaultSpacing[3]{ 1.0, 1.0, 1.0 };
  imageFilter->SetSpacing(dspacing);
  imageFilter->SetSpacing(fspacing);
  imageFilter->SetSpacing(defaultSpacing);

  constexpr double dorigin[3]{ 2.0, 2.0, 2.0 };
  constexpr float  forigin[3]{ 3.0, 3.0, 3.0 };
  constexpr double defaultOrigin[3]{ 0.0, 0.0, 0.0 };
  imageFilter->SetOrigin(dorigin);
  imageFilter->SetOrigin(forigin);
  imageFilter->SetOrigin(defaultOrigin);

  imageFilter->Update();

  auto                im = ImageType::New();
  ImageType::SizeType imSize;
  imSize[0] = imSize[1] = imSize[2] = 100;
  im->SetRegions(imSize);
  im->Allocate();

  imageFilter->SetInfoImage(im);
  imageFilter->Update();

  std::cout << "[PASSED]" << std::endl;


  if (argc > 1)
  {
    itk::WriteImage(imageFilter->GetOutput(), argv[1]);
  }

  std::cout << "Test [DONE]" << std::endl;

  return EXIT_SUCCESS;
}
