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/*=========================================================================
Program: Visualization Toolkit
Module: TestPieChartActor.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.
=========================================================================*/
// This tests the spider plot capabilities in VTK.
#include "vtkPieChartActor.h"
#include "vtkFloatArray.h"
#include "vtkDataObject.h"
#include "vtkFieldData.h"
#include "vtkMath.h"
#include "vtkTextProperty.h"
#include "vtkRenderer.h"
#include "vtkRenderWindow.h"
#include "vtkRenderWindowInteractor.h"
#include "vtkPolyData.h"
#include "vtkPoints.h"
#include "vtkIdList.h"
#include "vtkProperty2D.h"
#include "vtkLegendBoxActor.h"
#include "vtkTestUtilities.h"
#include "vtkRegressionTestImage.h"
//----------------------------------------------------------------------------
int TestPieChartActor( int argc, char * argv [] )
{
int numTuples = 6;
vtkFloatArray *bitter = vtkFloatArray::New();
bitter->SetNumberOfTuples(numTuples);
for (int i=0; i<numTuples; i++)
{
bitter->SetTuple1(i, vtkMath::Random(1,100));
}
vtkDataObject *dobj = vtkDataObject::New();
dobj->GetFieldData()->AddArray(bitter);
vtkPieChartActor *actor = vtkPieChartActor::New();
actor->SetInputData(dobj);
actor->SetTitle("Pie Chart");
actor->GetPositionCoordinate()->SetValue(0.05,0.1,0.0);
actor->GetPosition2Coordinate()->SetValue(0.95,0.85,0.0);
actor->GetProperty()->SetColor(0.1,0.1,0.1);
actor->GetLegendActor()->SetNumberOfEntries(numTuples);
for (int i=0; i<numTuples; i++)
{
double red=vtkMath::Random(0,1);
double green=vtkMath::Random(0,1);
double blue=vtkMath::Random(0,1);
actor->SetPieceColor(i,red,green,blue);
}
actor->SetPieceLabel(0,"oil");
actor->SetPieceLabel(1,"gas");
actor->SetPieceLabel(2,"water");
actor->SetPieceLabel(3,"snake oil");
actor->SetPieceLabel(4,"tequila");
actor->SetPieceLabel(5,"beer");
actor->LegendVisibilityOn();
// Set text colors (same as actor for backward compat with test)
actor->GetTitleTextProperty()->SetColor(1,1,0);
actor->GetLabelTextProperty()->SetColor(1,0,0);
// Create the RenderWindow, Renderer and both Actors
vtkRenderer *ren1 = vtkRenderer::New();
vtkRenderWindow *renWin = vtkRenderWindow::New();
renWin->AddRenderer(ren1);
vtkRenderWindowInteractor *iren = vtkRenderWindowInteractor::New();
iren->SetRenderWindow(renWin);
ren1->AddActor(actor);
ren1->SetBackground(0,0,0);
renWin->SetSize(500,200);
// render the image
renWin->Render();
int retVal = vtkRegressionTestImage( renWin );
if ( retVal == vtkRegressionTester::DO_INTERACTOR)
{
iren->Start();
}
bitter->Delete();
dobj->Delete();
actor->Delete();
ren1->Delete();
renWin->Delete();
iren->Delete();
return !retVal;
}
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