00001 /*========================================================================= 00002 00003 Program: Visualization Toolkit 00004 Module: $RCSfile: vtkPointHandleRepresentation2D.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 =========================================================================*/ 00029 #ifndef __vtkPointHandleRepresentation2D_h 00030 #define __vtkPointHandleRepresentation2D_h 00031 00032 #include "vtkHandleRepresentation.h" 00033 00034 class vtkProperty2D; 00035 class vtkActor2D; 00036 class vtkPolyDataMapper2D; 00037 class vtkPolyData; 00038 class vtkGlyph2D; 00039 class vtkPoints; 00040 class vtkPolyDataAlgorithm; 00041 class vtkPointPlacer; 00042 00043 class VTK_WIDGETS_EXPORT vtkPointHandleRepresentation2D : public vtkHandleRepresentation 00044 { 00045 public: 00047 static vtkPointHandleRepresentation2D *New(); 00048 00050 00051 vtkTypeRevisionMacro(vtkPointHandleRepresentation2D,vtkHandleRepresentation); 00052 void PrintSelf(ostream& os, vtkIndent indent); 00054 00056 00059 void SetCursorShape(vtkPolyData *cursorShape); 00060 vtkPolyData *GetCursorShape(); 00062 00066 virtual void SetDisplayPosition(double xyz[3]); 00067 00069 00070 void SetProperty(vtkProperty2D*); 00071 void SetSelectedProperty(vtkProperty2D*); 00072 vtkGetObjectMacro(Property,vtkProperty2D); 00073 vtkGetObjectMacro(SelectedProperty,vtkProperty2D); 00075 00077 00080 virtual double *GetBounds(); 00081 virtual void BuildRepresentation(); 00082 virtual void StartWidgetInteraction(double eventPos[2]); 00083 virtual void WidgetInteraction(double eventPos[2]); 00084 virtual int ComputeInteractionState(int X, int Y, int modify=0); 00086 00088 00089 virtual void ShallowCopy(vtkProp *prop); 00090 virtual void GetActors2D(vtkPropCollection *); 00091 virtual void ReleaseGraphicsResources(vtkWindow *); 00092 virtual int RenderOverlay(vtkViewport *viewport); 00094 00095 protected: 00096 vtkPointHandleRepresentation2D(); 00097 ~vtkPointHandleRepresentation2D(); 00098 00099 // Render the cursor 00100 vtkActor2D *Actor; 00101 vtkPolyDataMapper2D *Mapper; 00102 vtkGlyph2D *Glypher; 00103 vtkPolyData *CursorShape; 00104 vtkPolyData *FocalData; 00105 vtkPoints *FocalPoint; 00106 00107 // Support picking 00108 double LastPickPosition[3]; 00109 double LastEventPosition[2]; 00110 00111 // Methods to manipulate the cursor 00112 int ConstraintAxis; 00113 void Translate(double eventPos[2]); 00114 void Scale(double eventPos[2]); 00115 void Highlight(int highlight); 00116 00122 virtual void SetPointPlacer( vtkPointPlacer * ); 00123 00124 // Properties used to control the appearance of selected objects and 00125 // the manipulator in general. 00126 vtkProperty2D *Property; 00127 vtkProperty2D *SelectedProperty; 00128 void CreateDefaultProperties(); 00129 00130 // The size of the hot spot. 00131 int DetermineConstraintAxis(int constraint, double eventPos[2]); 00132 int WaitingForMotion; 00133 int WaitCount; 00134 00135 private: 00136 vtkPointHandleRepresentation2D(const vtkPointHandleRepresentation2D&); //Not implemented 00137 void operator=(const vtkPointHandleRepresentation2D&); //Not implemented 00138 }; 00139 00140 #endif
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