vtkSeedWidget.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkSeedWidget.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 vtkSeedWidget_h
#define vtkSeedWidget_h
 
#include "vtkInteractionWidgetsModule.h" // For export macro
#include "vtkAbstractWidget.h"
 
class vtkHandleRepresentation;
class vtkHandleWidget;
class vtkSeedList;
class vtkSeedRepresentation;
 
 
class VTKINTERACTIONWIDGETS_EXPORT vtkSeedWidget : public vtkAbstractWidget
{
public:
  static vtkSeedWidget *New();
 
 
  vtkTypeMacro(vtkSeedWidget,vtkAbstractWidget);
  void PrintSelf(ostream& os, vtkIndent indent);
 
  virtual void SetEnabled(int);
 
  virtual void SetCurrentRenderer( vtkRenderer * );
 
  virtual void SetInteractor( vtkRenderWindowInteractor * );
 
 
  void SetRepresentation( vtkSeedRepresentation *rep )
    {
    this->Superclass::SetWidgetRepresentation(
      reinterpret_cast<vtkWidgetRepresentation*>(rep) );
    }
 
 
  vtkSeedRepresentation *GetSeedRepresentation()
    {return reinterpret_cast<vtkSeedRepresentation*>(this->WidgetRep);}
 
  void CreateDefaultRepresentation();
 
  virtual void SetProcessEvents(int);
 
  virtual void CompleteInteraction();
 
  virtual void RestartInteraction();
 
  virtual vtkHandleWidget * CreateNewHandle();
 
  void DeleteSeed(int n);
 
  vtkHandleWidget * GetSeed( int n );
 
 
  vtkGetMacro( WidgetState, int );
 
  // The state of the widget
  //BTX
  enum
    {
    Start = 1,
    PlacingSeeds = 2,
    PlacedSeeds = 4,
    MovingSeed = 8
    };
  //ETX
 
protected:
  vtkSeedWidget();
  ~vtkSeedWidget();
 
 
  int WidgetState;
 
  // Callback interface to capture events when
  // placing the widget.
  static void AddPointAction( vtkAbstractWidget* );
  static void CompletedAction( vtkAbstractWidget* );
  static void MoveAction( vtkAbstractWidget* );
  static void EndSelectAction( vtkAbstractWidget* );
  static void DeleteAction( vtkAbstractWidget* );
 
  // The positioning handle widgets
  vtkSeedList *Seeds;
 
  // Manipulating or defining ?
  int Defining;
 
private:
  vtkSeedWidget(const vtkSeedWidget&);  //Not implemented
  void operator=(const vtkSeedWidget&);  //Not implemented
};
 
#endif