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dox/Widgets/vtkAffineWidget.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkAffineWidget.h,v $
00005 
00006   Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
00007   All rights reserved.
00008   See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
00009 
00010      This software is distributed WITHOUT ANY WARRANTY; without even
00011      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
00012      PURPOSE.  See the above copyright notice for more information.
00013 
00014 =========================================================================*/
00063 #ifndef __vtkAffineWidget_h
00064 #define __vtkAffineWidget_h
00065 
00066 #include "vtkAbstractWidget.h"
00067 
00068 class vtkAffineRepresentation;
00069 
00070 
00071 class VTK_WIDGETS_EXPORT vtkAffineWidget : public vtkAbstractWidget
00072 {
00073 public:
00075   static vtkAffineWidget *New();
00076 
00078 
00079   vtkTypeRevisionMacro(vtkAffineWidget,vtkAbstractWidget);
00080   void PrintSelf(ostream& os, vtkIndent indent);
00082 
00084 
00087   void SetRepresentation(vtkAffineRepresentation *r)
00088     {this->Superclass::SetWidgetRepresentation(reinterpret_cast<vtkWidgetRepresentation*>(r));}
00090   
00092   void CreateDefaultRepresentation();
00093 
00097   virtual void SetEnabled(int);
00098 
00099 protected:
00100   vtkAffineWidget();
00101   ~vtkAffineWidget();
00102 
00103   // These are the callbacks for this widget
00104   static void SelectAction(vtkAbstractWidget*);
00105   static void EndSelectAction(vtkAbstractWidget*);
00106   static void MoveAction(vtkAbstractWidget*);
00107   static void ModifyEventAction(vtkAbstractWidget*);
00108 
00109   // helper methods for cursor management
00110   void SetCursor(int state);
00111 
00112 //BTX - manage the state of the widget
00113   int WidgetState;
00114   enum _WidgetState
00115   {
00116     Start=0,
00117     Active
00118   };
00119 //ETX
00120   
00121   // Keep track whether key modifier key is pressed
00122   int ModifierActive;
00123 
00124 private:
00125   vtkAffineWidget(const vtkAffineWidget&);  //Not implemented
00126   void operator=(const vtkAffineWidget&);  //Not implemented
00127 };
00128 
00129 #endif

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