evInteractorStyle2D.h

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/*
 *
 * EVITA: Efficient Visualization of Terascale Datasets
 * Copyright (C) 2000-2016  Team Evita
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 * 
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 675 Mass Ave, Cambridge,
 * MA 02139, USA.
 *
 */


#ifndef __evInteractorStyle2D_h
#define __evInteractorStyle2D_h


#include "vtkInteractorStyleImage.h"
#include "vtkPoints.h"
#include "vtkCellArray.h"        
#include "vtkFloatArray.h"        
#include "vtkPolyData.h"          
#include "vtkPolyDataMapper2D.h"  
#include "vtkActor2D.h"       
#include "vtkLookupTable.h"   

#include "evVisualizer.h"


class evInteractorStyle2D : public vtkInteractorStyleImage
{
public:
  static evInteractorStyle2D *New();
  vtkTypeMacro(evInteractorStyle2D, vtkInteractorStyleImage);
  void PrintSelf(ostream& os, vtkIndent indent);

  void SetVisualizer(evVisualizer *visualizer);
  evVisualizer *GetVisualizer(void) const;

  virtual void OnLeftButtonDown();
  virtual void OnLeftButtonUp();
  virtual void OnMiddleButtonUp();
  virtual void OnRightButtonUp();
  virtual void OnChar();
  virtual void OnMouseMove();

protected:
  evInteractorStyle2D();
  ~evInteractorStyle2D();
  virtual void ActivateRubberBand(void);
  virtual void DeactivateRubberBand(void);
  virtual void RubberBandZoom();
  virtual void DrawRubberBand(int start_x,
                              int start_y,
                              int end_x,
                              int end_y);

  evVisualizer *Visualizer;

  int StartPosition[2];
  int EndPosition[2];
  int RubberBandActive;
  vtkPoints *RubberBandPoints;  
  
 private:
  evInteractorStyle2D(const evInteractorStyle2D&) {};
  void operator=(const evInteractorStyle2D&) {};
};


inline evInteractorStyle2D* evInteractorStyle2D::New()
{
  return new evInteractorStyle2D;
}


inline void evInteractorStyle2D::PrintSelf(ostream& os, vtkIndent indent)
{
  vtkInteractorStyleImage::PrintSelf(os,indent);
}


inline void evInteractorStyle2D::SetVisualizer(evVisualizer *visualizer)
{
  this->Visualizer = visualizer;
}


inline evVisualizer *evInteractorStyle2D::GetVisualizer(void) const
{
  return(this->Visualizer);
}

#endif