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/*=========================================================================
Program: Visualization Toolkit
Module: TestTilingCxx.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.
=========================================================================*/
#include "vtkTestUtilities.h"
#include "vtkRegressionTestImage.h"
#include "vtksys/SystemTools.hxx"
#include "vtkRenderWindowInteractor.h"
#include "vtkRenderWindow.h"
#include "vtkRenderer.h"
#include "vtkActor.h"
#include "vtkActor2D.h"
#include "vtkCellData.h"
#include "vtkDataObject.h"
#include "vtkFloatArray.h"
#include "vtkImageMapper.h"
#include "vtkMath.h"
#include "vtkPolyData.h"
#include "vtkPolyDataMapper.h"
#include "vtkProgrammableAttributeDataFilter.h"
#include "vtkScalarBarActor.h"
#include "vtkScalarsToColors.h"
#include "vtkSphereSource.h"
#include "vtkWindowToImageFilter.h"
#include "vtkSmartPointer.h"
#define VTK_CREATE(type, var) \
vtkSmartPointer<type> var = vtkSmartPointer<type>::New()
void colorCells(void *arg)
{
VTK_CREATE(vtkMath, randomColorGenerator);
vtkProgrammableAttributeDataFilter * randomColors =
static_cast<vtkProgrammableAttributeDataFilter *>(arg);
vtkPolyData * input =
vtkPolyData::SafeDownCast(randomColors->GetInput());
vtkPolyData * output = randomColors->GetPolyDataOutput();
int numCells = input->GetNumberOfCells();
VTK_CREATE(vtkFloatArray, colors);
colors->SetNumberOfTuples(numCells);
for(int i = 0; i < numCells; i++)
{
colors->SetValue(i, randomColorGenerator->Random(0 ,1));
}
output->GetCellData()->CopyScalarsOff();
output->GetCellData()->PassData(input->GetCellData());
output->GetCellData()->SetScalars(colors);
}
int TestTilingCxx(int argc, char* argv[])
{
VTK_CREATE(vtkSphereSource, sphere);
sphere->SetThetaResolution(20);
sphere->SetPhiResolution(40);
// Compute random scalars (colors) for each cell
VTK_CREATE(vtkProgrammableAttributeDataFilter, randomColors);
randomColors->SetInputConnection(sphere->GetOutputPort());
randomColors->SetExecuteMethod(colorCells, randomColors);
// mapper and actor
VTK_CREATE(vtkPolyDataMapper, mapper);
mapper->SetInputConnection(randomColors->GetOutputPort());
mapper->SetScalarRange(randomColors->GetPolyDataOutput()->GetScalarRange());
VTK_CREATE(vtkActor, sphereActor);
sphereActor->SetMapper(mapper);
// Create a scalar bar
VTK_CREATE(vtkScalarBarActor, scalarBar);
scalarBar->SetLookupTable(mapper->GetLookupTable());
scalarBar->SetTitle("Temperature");
scalarBar->GetPositionCoordinate()->SetCoordinateSystemToNormalizedViewport();
scalarBar->GetPositionCoordinate()->SetValue(0.1, 0.05);
scalarBar->SetOrientationToVertical();
scalarBar->SetWidth(0.8);
scalarBar->SetHeight(0.9);
scalarBar->SetLabelFormat("%-#6.3f");
// Test the Get/Set Position
scalarBar->SetPosition(scalarBar->GetPosition());
// Create graphics stuff
// Create the RenderWindow, Renderer and both Actors
VTK_CREATE(vtkRenderer, ren1);
VTK_CREATE(vtkRenderer, ren2);
VTK_CREATE(vtkRenderWindow, renWin);
renWin->SetMultiSamples(0);
renWin->AddRenderer(ren1);
renWin->AddRenderer(ren2);
VTK_CREATE(vtkRenderWindowInteractor, iren);
iren->SetRenderWindow(renWin);
ren1->AddActor(sphereActor);
ren2->AddActor2D(scalarBar);
renWin->SetSize(160, 160);
ren1->SetViewport(0, 0, 0.75, 1.0);
ren2->SetViewport(0.75, 0, 1.0, 1.0);
ren2->SetBackground(0.3, 0.3, 0.3);
// render the image
scalarBar->SetNumberOfLabels(8);
renWin->Render();
renWin->Render(); // perform an extra render before capturing window
vtksys::SystemTools::Delay(1000);
VTK_CREATE(vtkWindowToImageFilter, w2i);
w2i->SetInput(renWin);
w2i->SetMagnification(2);
w2i->Update();
// copy the output
vtkImageData * outputData = w2i->GetOutput()->NewInstance();
outputData->DeepCopy(w2i->GetOutput());
VTK_CREATE(vtkImageMapper, ia);
ia->SetInputData(outputData);
scalarBar->ReleaseGraphicsResources(renWin);
sphereActor->ReleaseGraphicsResources(renWin);
ia->SetColorWindow(255);
ia->SetColorLevel(127.5);
VTK_CREATE(vtkActor2D, ia2);
ia2->SetMapper(ia);
renWin->SetSize(320, 320);
renWin->SetPosition(320,320);
ren2->RemoveViewProp(scalarBar);
ren1->RemoveViewProp(sphereActor);
ren1->AddActor(ia2);
renWin->RemoveRenderer(ren2);
ren1->SetViewport(0, 0, 1, 1);
renWin->Render();
renWin->Render();
vtksys::SystemTools::Delay(1000);
int retVal = vtkRegressionTestImage( renWin );
if ( retVal == vtkRegressionTester::DO_INTERACTOR)
{
iren->Start();
}
outputData->Delete();
return !retVal;
}
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