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/*=========================================================================
Program: Visualization Toolkit
Module: GraphItem.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 "vtkRenderer.h"
#include "vtkRenderWindow.h"
#include "vtkRenderWindowInteractor.h"
#include "vtkSmartPointer.h"
#include "vtkContextView.h"
#include "vtkContextScene.h"
#include "vtkPiecewiseFunctionItem.h"
#include "vtkPiecewiseControlPointsItem.h"
#include "vtkPiecewiseFunction.h"
//----------------------------------------------------------------------------
int main(int, char *[])
{
// Set up a 2D context view, context test object and add it to the scene
vtkSmartPointer<vtkContextView> view = vtkSmartPointer<vtkContextView>::New();
view->GetRenderer()->SetBackground(1.0, 1.0, 1.0);
view->GetRenderWindow()->SetSize(800, 600);
view->GetRenderWindow()->SetMultiSamples(0);
vtkSmartPointer<vtkPiecewiseFunction> source = vtkSmartPointer<vtkPiecewiseFunction>::New();
source->AddPoint(0,0);
source->AddPoint(200,200);
source->AddPoint(400,500);
source->AddPoint(700,500);
// source->Update();
vtkSmartPointer<vtkPiecewiseControlPointsItem> item = vtkSmartPointer<vtkPiecewiseControlPointsItem>::New();
item->SetPiecewiseFunction(source);
view->GetScene()->AddItem(item);
// NOT WORKING...
//vtkSmartPointer<vtkPiecewiseFunctionItem> item2 = vtkSmartPointer<vtkPiecewiseFunctionItem>::New();
//item2->SetPiecewiseFunction(source);
//view->GetScene()->AddItem(item2);
view->GetRenderWindow()->GetInteractor()->Initialize();
view->GetRenderWindow()->GetInteractor()->CreateOneShotTimer(10);
view->GetRenderWindow()->GetInteractor()->Start();
}
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