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

  Program:   Visualization Toolkit
  Module:    TestGlyphSource2DResolution.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.

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

// Description
// This tests the circle resolution parameter for vtkGlyphSource2D

#include "vtkActor2D.h"
#include "vtkFloatArray.h"
#include "vtkGlyph2D.h"
#include "vtkGlyphSource2D.h"
#include "vtkMinimalStandardRandomSequence.h"
#include "vtkNew.h"
#include "vtkPointData.h"
#include "vtkPoints.h"
#include "vtkPolyData.h"
#include "vtkPolyDataMapper2D.h"
#include "vtkRegressionTestImage.h"
#include "vtkRenderer.h"
#include "vtkRenderWindow.h"
#include "vtkRenderWindowInteractor.h"
#include "vtkTestUtilities.h"

int TestGlyphSource2DResolution(int argc, char* argv[])
{
  cout << "CTEST_FULL_OUTPUT (Avoid ctest truncation of output)" << endl;

  vtkNew<vtkPolyData> pd;
  vtkNew<vtkPoints> pts;

  vtkNew<vtkFloatArray> scalars;
  vtkNew<vtkFloatArray> vectors;
  vectors->SetNumberOfComponents(3);

  pd->SetPoints(pts.GetPointer());
  pd->GetPointData()->SetScalars(scalars.GetPointer());
  pd->GetPointData()->SetVectors(vectors.GetPointer());

  vtkNew<vtkMinimalStandardRandomSequence> randomSequence;
  randomSequence->SetSeed(1);

  int size = 400;

  for (int i = 0; i < 100; ++i)
    {
    randomSequence->Next();
    double x = randomSequence->GetValue()*size;
    randomSequence->Next();
    double y = randomSequence->GetValue()*size;
    pts->InsertNextPoint(x,
                         y,
                         0.0);
    randomSequence->Next();
    scalars->InsertNextValue(5.0*randomSequence->GetValue());
    randomSequence->Next();
    double ihat = randomSequence->GetValue()*2-1;
    randomSequence->Next();
    double jhat = randomSequence->GetValue()*2-1;
    vectors->InsertNextTuple3(ihat,
                              jhat,
                              0.0);
    }

  vtkNew<vtkGlyphSource2D> gs;
  gs->SetGlyphTypeToCircle();
  gs->SetScale(20);
  gs->FilledOff();
  gs->CrossOn();

  vtkNew<vtkGlyphSource2D> gs1;
  gs1->SetGlyphTypeToCircle();
  gs1->SetResolution(24);
  gs1->SetScale(30);
  gs1->FilledOn();
  gs1->CrossOff();

  vtkNew<vtkGlyphSource2D> gs2;
  gs2->SetGlyphTypeToCircle();
  gs2->SetResolution(6);
  gs2->SetScale(20);
  gs2->FilledOn();
  gs2->CrossOff();

  vtkNew<vtkGlyphSource2D> gs3;
  gs3->SetGlyphTypeToCircle();
  gs3->SetResolution(5);
  gs3->SetScale(30);
  gs3->FilledOff();
  gs3->CrossOn();

  vtkNew<vtkGlyphSource2D> gs4;
  gs4->SetGlyphTypeToCircle();
  gs4->SetResolution(100);
  gs4->SetScale(50);
  gs4->FilledOff();
  gs4->CrossOff();

  vtkNew<vtkGlyph2D> glypher;
  glypher->SetInputData(pd.GetPointer());
  glypher->SetSourceConnection(0, gs->GetOutputPort());
  glypher->SetSourceConnection(1, gs1->GetOutputPort());
  glypher->SetSourceConnection(2, gs2->GetOutputPort());
  glypher->SetSourceConnection(3, gs3->GetOutputPort());
  glypher->SetSourceConnection(4, gs4->GetOutputPort());
  glypher->SetIndexModeToScalar();
  glypher->SetRange(0,5);
  glypher->SetScaleModeToScaleByVector();

  vtkNew<vtkPolyDataMapper2D> mapper;
  mapper->SetInputConnection(glypher->GetOutputPort());
  mapper->SetScalarRange(0, 5);

  vtkNew<vtkActor2D> glyphActor;
  glyphActor->SetMapper(mapper.GetPointer());

  // Create the RenderWindow, Renderer
  vtkNew<vtkRenderWindow> renWin;
  renWin->SetMultiSamples(0);
  vtkNew<vtkRenderWindowInteractor> iren;
  iren->SetRenderWindow(renWin.GetPointer());

  vtkNew<vtkRenderer> ren;
  ren->AddActor2D(glyphActor.GetPointer());
  ren->SetBackground(0.3, 0.3, 0.3);
  ren->ResetCamera();

  renWin->SetSize(size+1, size-1); //NPOT size
  renWin->AddRenderer(ren.GetPointer());
  renWin->Render();

  iren->Initialize();

  int retVal = vtkRegressionTestImage(renWin.GetPointer());
  if (retVal == vtkRegressionTester::DO_INTERACTOR)
    {
    iren->Start();
    }

  return !retVal;
}
