/*=========================================================================

  Program:   Visualization Toolkit
  Module:    TestHyperTreeGridBinaryClipPlanes.cxx

  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/
// .SECTION Thanks
// This test was written by Philippe Pebay, NexGen Analytics 2017

#include "vtkHyperTreeGrid.h"
#include "vtkHyperTreeGridAxisClip.h"
#include "vtkHyperTreeGridGeometry.h"
#include "vtkHyperTreeGridSource.h"
#include "vtkHyperTreeGridToUnstructuredGrid.h"

#include "vtkCamera.h"
#include "vtkCellData.h"
#include "vtkClipDataSet.h"
#include "vtkClipPolyData.h"
#include "vtkDataSetMapper.h"
#include "vtkNew.h"
#include "vtkPlane.h"
#include "vtkPointData.h"
#include "vtkPolyData.h"
#include "vtkPolyDataMapper.h"
#include "vtkProperty.h"
#include "vtkQuadric.h"
#include "vtkRegressionTestImage.h"
#include "vtkRenderer.h"
#include "vtkRenderWindow.h"
#include "vtkRenderWindowInteractor.h"
#include "vtkUnstructuredGrid.h"

int TestHyperTreeGridBinaryClipPlanes(int argc, char* argv[])
{
  // Hyper tree grids with arrays of quadric values
  double xc = 1.;
  double yc = 1.;
  double zc = 0.;
  double q[10];
  q[0] = - 1.;
  q[1] = - 1.;
  q[2] = - 1.;
  q[3] = 0.;
  q[4] = 0.;
  q[5] = 0.;
  q[6] = 2. * xc;
  q[7] = 2. * yc;
  q[8] = 2. * zc;
  q[9] = 1.- ( xc * xc + yc * yc + zc * zc );
  vtkNew<vtkQuadric> quadric;
  quadric->SetCoefficients( q );
  vtkIdType res = 20;
  vtkNew<vtkHyperTreeGridSource> htg1;
  htg1->SetMaxDepth(0);
  htg1->SetDimensions( res + 1, 1, 1 ); //Dimension 1 suivant x GridCell res, 1, 1
  htg1->SetGridScale( 2. / res, 0., 0. );
  htg1->SetBranchFactor( 2 );
  htg1->UseDescriptorOff();
  htg1->SetQuadric( quadric );
  vtkNew<vtkHyperTreeGridSource> htg2;
  htg2->SetMaxDepth(0);
  htg2->SetDimensions( res + 1, res + 1, 1 ); //Dimension 2 suivant xy plane GridCell res, res, 1
  htg2->SetGridScale( 2. / res, 3. / res, 0. );
  htg2->SetBranchFactor( 2 );
  htg2->UseDescriptorOff();
  htg2->SetQuadric( quadric );
  vtkNew<vtkHyperTreeGridSource> htg3;
  htg3->SetMaxDepth(0);
  htg3->SetDimensions( res + 1, res + 1, res + 1 ); //GridCell res, res, res
  htg3->SetGridScale( 2. / res, 3. / res, 4. / res );
  htg3->SetBranchFactor( 2 );
  htg3->UseDescriptorOff();
  htg3->SetQuadric( quadric );

  // Geometries
  vtkNew<vtkHyperTreeGridGeometry> geometry1;
  geometry1->SetInputConnection( htg1->GetOutputPort() );
  vtkNew<vtkHyperTreeGridGeometry> geometry2;
  geometry2->SetInputConnection( htg2->GetOutputPort() );

  // Conversion unstructured grid
  vtkNew<vtkHyperTreeGridToUnstructuredGrid> htg2ug;
  htg2ug->SetInputConnection( htg3->GetOutputPort() );

  // Plane
  vtkNew<vtkPlane> plane;
  plane->SetOrigin( .4, .4, .4 );
  plane->SetNormal( 1., 1., 1. );

  // Planar clips
  vtkNew<vtkClipPolyData> clip1;
  clip1->SetInputConnection( geometry1->GetOutputPort() );
  clip1->SetClipFunction( plane );
  clip1->Update();
  clip1->GetOutput()->GetCellData()->SetActiveScalars( "Quadric" );
  vtkNew<vtkClipPolyData> clip2;
  clip2->SetInputConnection( geometry2->GetOutputPort() );
  clip2->SetClipFunction( plane );
  clip2->Update();
  clip2->GetOutput()->GetCellData()->SetActiveScalars( "Quadric" );
  vtkNew<vtkClipDataSet> clip3;
  clip3->SetInputConnection( htg2ug->GetOutputPort() );
  clip3->SetClipFunction( plane );
  clip3->Update();
  clip3->GetOutput()->GetCellData()->SetActiveScalars( "Quadric" );

  // Mappers
  vtkMapper::SetResolveCoincidentTopologyToPolygonOffset();
  vtkNew<vtkPolyDataMapper> mapper1;
  mapper1->SetInputConnection( clip1->GetOutputPort() );
  mapper1->SetScalarRange( clip1->GetOutput()->GetCellData()->GetScalars()->GetRange() );
  vtkNew<vtkPolyDataMapper> mapper2;
  mapper2->SetInputConnection( clip2->GetOutputPort() );
  mapper2->SetScalarRange( clip2->GetOutput()->GetCellData()->GetScalars()->GetRange() );
  vtkNew<vtkDataSetMapper> mapper3;
  mapper3->SetInputConnection( clip3->GetOutputPort() );
  mapper3->SetScalarRange( clip3->GetOutput()->GetCellData()->GetScalars()->GetRange() );

  // Actors
  vtkNew<vtkActor> actor1;
  actor1->SetMapper( mapper1 );
  actor1->SetPosition( 1.5, 0., 0. );
  actor1->GetProperty()->SetLineWidth( 2 );
  vtkNew<vtkActor> actor2;
  actor2->SetMapper( mapper2 );
  vtkNew<vtkActor> actor3;
  actor3->SetMapper( mapper3 );
  actor3->SetPosition( -2.5, 0., 0. );

  // Camera
  vtkNew<vtkCamera> camera;
  camera->SetClippingRange( 1., 100. );
  camera->SetViewUp( 0., 1., 0. );
  camera->SetFocalPoint( .5, 1.5, 0. );
  camera->SetPosition( .5, 1.5, -7. );

  // Renderer
  vtkNew<vtkRenderer> renderer;
  renderer->SetActiveCamera( camera );
  renderer->SetBackground( 1., 1., 1. );
  renderer->AddActor( actor1 );
  renderer->AddActor( actor2 );
  renderer->AddActor( actor3 );

  // Render window
  vtkNew<vtkRenderWindow> renWin;
  renWin->AddRenderer( renderer );
  renWin->SetSize( 600, 350 );
  renWin->SetMultiSamples( 0 );

  // Interactor
  vtkNew<vtkRenderWindowInteractor> iren;
  iren->SetRenderWindow( renWin );

  // Render and test
  renWin->Render();

  int retVal = vtkRegressionTestImageThreshold( renWin, 80 );
  if ( retVal == vtkRegressionTester::DO_INTERACTOR )
  {
    iren->Start();
  }

  return !retVal;
}
