vtkLineWidget2.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkLineWidget2.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.
 
=========================================================================*/
#ifndef vtkLineWidget2_h
#define vtkLineWidget2_h
 
#include "vtkInteractionWidgetsModule.h" // For export macro
#include "vtkAbstractWidget.h"
 
class vtkLineRepresentation;
class vtkHandleWidget;
 
 
class VTKINTERACTIONWIDGETS_EXPORT vtkLineWidget2 : public vtkAbstractWidget
{
public:
  static vtkLineWidget2 *New();
 
 
  vtkTypeMacro(vtkLineWidget2,vtkAbstractWidget);
  void PrintSelf(ostream& os, vtkIndent indent);
 
  virtual void SetEnabled(int enabling);
 
 
  void SetRepresentation(vtkLineRepresentation *r)
    {this->Superclass::SetWidgetRepresentation(reinterpret_cast<vtkWidgetRepresentation*>(r));}
 
 
  vtkLineRepresentation *GetLineRepresentation()
    {return reinterpret_cast<vtkLineRepresentation*>(this->WidgetRep);}
 
  void CreateDefaultRepresentation();
 
  virtual void SetProcessEvents(int);
 
protected:
  vtkLineWidget2();
  ~vtkLineWidget2();
 
//BTX - manage the state of the widget
  int WidgetState;
  enum _WidgetState {Start=0,Active};
//ETX
  int CurrentHandle;
 
  // These methods handle events
  static void SelectAction(vtkAbstractWidget*);
  static void TranslateAction(vtkAbstractWidget*);
  static void ScaleAction(vtkAbstractWidget*);
  static void EndSelectAction(vtkAbstractWidget*);
  static void MoveAction(vtkAbstractWidget*);
 
  // The positioning handle widgets
  vtkHandleWidget *Point1Widget; //first end point
  vtkHandleWidget *Point2Widget; //second end point
  vtkHandleWidget *LineHandle; //used when selecting the line
 
private:
  vtkLineWidget2(const vtkLineWidget2&);  //Not implemented
  void operator=(const vtkLineWidget2&);  //Not implemented
};
 
#endif