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/*=========================================================================
Program: Visualization Toolkit
Module: TestInteractorStyleImagePropertyMultiplePropSliceFirst.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 "vtkActor2D.h"
#include "vtkInteractorStyleImage.h"
#include "vtkImageProperty.h"
#include "vtkImageData.h"
#include "vtkImageSliceMapper.h"
#include "vtkImageSlice.h"
#include "vtkPNGReader.h"
#include "vtkRenderWindow.h"
#include "vtkRenderWindowInteractor.h"
#include "vtkRenderer.h"
#include "vtkSmartPointer.h"
#include "vtkTestUtilities.h"
#include "vtkTextMapper.h"
int TestInteractorStyleImageProperty(int argc, char *argv[])
{
vtkSmartPointer<vtkPNGReader> reader =
vtkSmartPointer<vtkPNGReader>::New();
char *fileName = vtkTestUtilities::ExpandDataFileName(
argc, argv, "Data/GreenCircle.png");
reader->SetFileName(fileName);
delete[] fileName;
vtkSmartPointer<vtkImageSliceMapper> mapper =
vtkSmartPointer<vtkImageSliceMapper>::New();
mapper->SetInputConnection(reader->GetOutputPort());
vtkSmartPointer<vtkImageSlice> imageSlice =
vtkSmartPointer<vtkImageSlice>::New();
imageSlice->SetMapper(mapper);
vtkSmartPointer<vtkImageProperty> property =
vtkSmartPointer<vtkImageProperty>::New();
property->SetColorWindow(4000);
property->SetColorLevel(2000);
imageSlice->SetProperty(property);
vtkSmartPointer<vtkRenderer> renderer =
vtkSmartPointer<vtkRenderer>::New();
renderer->ResetCamera();
vtkSmartPointer<vtkRenderWindow> renderWindow =
vtkSmartPointer<vtkRenderWindow>::New();
renderWindow->AddRenderer(renderer);
vtkSmartPointer<vtkRenderWindowInteractor> renderWindowInteractor =
vtkSmartPointer<vtkRenderWindowInteractor>::New();
vtkSmartPointer<vtkTextMapper> text =
vtkSmartPointer<vtkTextMapper>::New();
text->SetInput("Text");
vtkSmartPointer<vtkActor2D> textActor =
vtkSmartPointer<vtkActor2D>::New();
textActor->SetMapper(text);
textActor->PickableOff();
renderer->AddViewProp(imageSlice);
renderer->AddViewProp(textActor);
vtkSmartPointer<vtkInteractorStyleImage> style =
vtkSmartPointer<vtkInteractorStyleImage>::New();
style->SetCurrentRenderer(renderer);
renderWindowInteractor->SetInteractorStyle(style);
renderWindowInteractor->SetRenderWindow(renderWindow);
renderWindowInteractor->Initialize();
for (int sliceOrder = 0; sliceOrder < 4; sliceOrder++)
{
renderer->RemoveAllViewProps();
switch(sliceOrder)
{
case 0:
//Adding the slice to the renderer before the other prop.
renderer->AddViewProp(imageSlice);
renderer->AddViewProp(textActor);
break;
case 1:
//Only add the slice if there should not be a prop.
renderer->AddViewProp(imageSlice);
break;
case 2:
//Adding the slice to the renderer after the other prop.
renderer->AddViewProp(textActor);
renderer->AddViewProp(imageSlice);
break;
case 3:
//No slice, so no image property should be found.
renderer->AddViewProp(textActor);
break;
}
renderWindowInteractor->Render();
//The StartWindowLevel event is not activated until the function
//OnLeftButtonDown is called. Call it to force the event to trigger
//the chain of methods to set the ImageProperty.
style->OnLeftButtonDown();
bool foundProperty = (style->GetCurrentImageProperty() == property);
style->OnLeftButtonUp();
if (!foundProperty ^ (sliceOrder == 3))
{
cerr << "TestInteractorStyleImagePropertyInternal failed with sliceOrder parameter " << sliceOrder << "." << std::endl;
return EXIT_FAILURE;
}
}
return EXIT_SUCCESS;
}
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