vtkContourWidget.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkContourWidget.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 vtkContourWidget_h
#define vtkContourWidget_h
 
#include "vtkInteractionWidgetsModule.h" // For export macro
#include "vtkAbstractWidget.h"
 
class vtkContourRepresentation;
class vtkPolyData;
class vtkIdList;
 
class VTKINTERACTIONWIDGETS_EXPORT vtkContourWidget : public vtkAbstractWidget
{
public:
  static vtkContourWidget *New();
 
 
  vtkTypeMacro(vtkContourWidget,vtkAbstractWidget);
  void PrintSelf(ostream& os, vtkIndent indent);
 
  virtual void SetEnabled(int);
 
 
  void SetRepresentation(vtkContourRepresentation *r)
    {this->Superclass::SetWidgetRepresentation(reinterpret_cast<vtkWidgetRepresentation*>(r));}
 
 
  vtkContourRepresentation *GetContourRepresentation()
    {return reinterpret_cast<vtkContourRepresentation*>(this->WidgetRep);}
 
  void CreateDefaultRepresentation();
 
  void CloseLoop();
 
 
  vtkSetMacro(WidgetState,int);
 
 
  vtkGetMacro(WidgetState,int);
 
 
  void SetAllowNodePicking(int );
  vtkGetMacro( AllowNodePicking, int );
  vtkBooleanMacro( AllowNodePicking, int );
 
 
  vtkSetMacro( FollowCursor, int );
  vtkGetMacro( FollowCursor, int );
  vtkBooleanMacro( FollowCursor, int );
 
 
  vtkSetMacro( ContinuousDraw, int );
  vtkGetMacro( ContinuousDraw, int );
  vtkBooleanMacro( ContinuousDraw, int );
 
 
  virtual void Initialize( vtkPolyData * poly, int state = 1, vtkIdList *idList = NULL );
  virtual void Initialize()
    {this->Initialize(NULL);}
 
  // The state of the widget
  //BTX
  enum {Start,Define,Manipulate};
  //ETX
 
protected:
  vtkContourWidget();
  ~vtkContourWidget();
 
  int WidgetState;
  int CurrentHandle;
  int AllowNodePicking;
  int FollowCursor;
  int ContinuousDraw;
  int ContinuousActive;
 
  // Callback interface to capture events when
  // placing the widget.
  static void SelectAction(vtkAbstractWidget*);
  static void AddFinalPointAction(vtkAbstractWidget*);
  static void MoveAction(vtkAbstractWidget*);
  static void EndSelectAction(vtkAbstractWidget*);
  static void DeleteAction(vtkAbstractWidget*);
  static void TranslateContourAction(vtkAbstractWidget*);
  static void ScaleContourAction(vtkAbstractWidget*);
  static void ResetAction(vtkAbstractWidget*);
 
  // Internal helper methods
  void SelectNode();
  void AddNode();
 
private:
  vtkContourWidget(const vtkContourWidget&);  //Not implemented
  void operator=(const vtkContourWidget&);  //Not implemented
};
 
#endif