CTK/Libs/Visualization/VTK/Widgets/Testing/Cpp/ctkTransferFunctionWidgetTest1.cpp

/*=========================================================================

  Library:   qCTK

  Copyright (c) Kitware Inc. 
  All rights reserved.
  Distributed under a BSD License. See LICENSE.txt file.

  This software is distributed "AS IS" WITHOUT ANY WARRANTY; without even
  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  See the above copyright notice for more information.

=========================================================================*/

// Qt includes
#include <QApplication>
#include <QSharedPointer>
#include <QTimer>

// CTK includes
#include "ctkTransferFunction.h"
#include "ctkTransferFunctionWidget.h"
#include "ctkVTKColorTransferFunction.h"

// VTK includes
#include <vtkColorTransferFunction.h>
#include <vtkSmartPointer.h>

// STD includes
#include <iostream>

//-----------------------------------------------------------------------------
int ctkTransferFunctionWidgetTest1(int argc, char * argv [] )
{
  QApplication app(argc, argv);
  
  vtkSmartPointer<vtkColorTransferFunction> ctf = 
    vtkSmartPointer<vtkColorTransferFunction>::New();
  //
  ctf->AddRGBPoint(0., 1.,0.,0., 0.5, 0.);
  //ctf->AddRGBPoint(0.5, 0.,0.,1.);
  ctf->AddRGBPoint(1., 0.,1.,0.);
  //ctf->AddHSVPoint(0., 0.,1.,1.);
  //ctf->AddHSVPoint(1., 0.66666,1.,1.);

  QSharedPointer<ctkTransferFunction> transferFunction = 
    QSharedPointer<ctkTransferFunction>(new ctkVTKColorTransferFunction(ctf));
  ctkTransferFunctionWidget transferFunctionWidget(transferFunction.data(), 0);
  // the widget is not really shown here, only when app.exec() is called
  transferFunctionWidget.show();

  //ctf->AddRGBPoint(0.7, 0.0,0.0,0.0);
  //ctkTransferFunctionWidget* toto = new ctkTransferFunctionWidget();
  QTimer autoExit;
  QObject::connect(&autoExit, SIGNAL(timeout()), &app, SLOT(quit()));
  //autoExit.start(1000);
  return app.exec();
}