vtkInteractorStyleRubberBand2D.h

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

  Program:   Visualization Toolkit
  Module:    vtkInteractorStyleRubberBand2D.h

  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.

=========================================================================*/
/*-------------------------------------------------------------------------
  Copyright 2008 Sandia Corporation.
  Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
  the U.S. Government retains certain rights in this software.
-------------------------------------------------------------------------*/
#ifndef vtkInteractorStyleRubberBand2D_h
#define vtkInteractorStyleRubberBand2D_h

#include "vtkInteractionStyleModule.h" // For export macro
#include "vtkInteractorStyle.h"

class vtkUnsignedCharArray;

class VTKINTERACTIONSTYLE_EXPORT vtkInteractorStyleRubberBand2D : public vtkInteractorStyle
{
public:
  static vtkInteractorStyleRubberBand2D *New();
  vtkTypeMacro(vtkInteractorStyleRubberBand2D, vtkInteractorStyle);
  void PrintSelf(ostream& os, vtkIndent indent);

  virtual void OnLeftButtonDown();
  virtual void OnLeftButtonUp();
  virtual void OnMiddleButtonDown();
  virtual void OnMiddleButtonUp();
  virtual void OnRightButtonDown();
  virtual void OnRightButtonUp();
  virtual void OnMouseMove();
  virtual void OnMouseWheelForward();
  virtual void OnMouseWheelBackward();


  vtkSetMacro(RenderOnMouseMove, bool);
  vtkGetMacro(RenderOnMouseMove, bool);
  vtkBooleanMacro(RenderOnMouseMove, bool);

  enum
  {
    SELECT_NORMAL = 0,
    SELECT_UNION = 1
  };


  vtkGetMacro(Interaction, int);

  enum
  {
    NONE,
    PANNING,
    ZOOMING,
    SELECTING
  };


  vtkGetVector2Macro(StartPosition,int);
  vtkGetVector2Macro(EndPosition,int);

protected:
  vtkInteractorStyleRubberBand2D();
  ~vtkInteractorStyleRubberBand2D();

  // The interaction mode
  int Interaction;

  // Draws the selection rubber band
  void RedrawRubberBand();

  // The end position of the selection
  int StartPosition[2];

  // The start position of the selection
  int EndPosition[2];

  // The pixel array for the rubber band
  vtkUnsignedCharArray* PixelArray;

  // Whether to render when the mouse moves
  bool RenderOnMouseMove;

private:
  vtkInteractorStyleRubberBand2D(const vtkInteractorStyleRubberBand2D&) VTK_DELETE_FUNCTION;
  void operator=(const vtkInteractorStyleRubberBand2D&) VTK_DELETE_FUNCTION;
};

#endif