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/*=========================================================================
Program: Visualization Toolkit
Module: TestTextureRGBA.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.
=========================================================================*/
// .NAME Test of an RGBA texture on a vtkActor.
// .SECTION Description
// this program tests the rendering of an vtkActor with a translucent texture
// with alpha blending.
#include "vtkPlaneSource.h"
#include "vtkPolyData.h"
#include "vtkPolyDataMapper.h"
#include "vtkActor.h"
#include "vtkProperty.h"
#include "vtkRenderer.h"
#include "vtkRenderWindow.h"
#include "vtkRenderWindowInteractor.h"
#include "vtkTexture.h"
#include "vtkImageData.h"
#include "vtkPNGReader.h"
#include "vtkTestUtilities.h"
#include "vtkRegressionTestImage.h"
int TestTextureRGBA(int argc, char *argv[])
{
char* fname = vtkTestUtilities::ExpandDataFileName(
argc, argv, "Data/textureRGBA.png");
vtkPNGReader *PNGReader = vtkPNGReader::New();
PNGReader->SetFileName(fname);
PNGReader->Update();
vtkTexture *texture = vtkTexture::New();
texture->SetInputConnection(PNGReader->GetOutputPort());
PNGReader->Delete();
texture->InterpolateOn();
vtkPlaneSource *planeSource = vtkPlaneSource::New();
planeSource->Update();
vtkPolyDataMapper *mapper = vtkPolyDataMapper::New();
mapper->SetInputConnection(planeSource->GetOutputPort());
planeSource->Delete();
vtkActor *actor = vtkActor::New();
actor->SetTexture(texture);
texture->Delete();
actor->SetMapper(mapper);
mapper->Delete();
vtkRenderer *renderer = vtkRenderer::New();
renderer->AddActor(actor);
actor->Delete();
renderer->SetBackground(0.5,0.7,0.7);
vtkRenderWindow *renWin = vtkRenderWindow::New();
renWin->AddRenderer(renderer);
vtkRenderWindowInteractor *interactor = vtkRenderWindowInteractor::New();
interactor->SetRenderWindow(renWin);
renWin->SetSize(400,400);
renWin->Render();
interactor->Initialize();
renWin->Render();
int retVal = vtkRegressionTestImage( renWin );
if( retVal == vtkRegressionTester::DO_INTERACTOR)
{
interactor->Start();
}
renderer->Delete();
renWin->Delete();
interactor->Delete();
delete [] fname;
return !retVal;
}
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