VTK
vtk3DWidget.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtk3DWidget.h
5 
6  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
7  All rights reserved.
8  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
9 
10  This software is distributed WITHOUT ANY WARRANTY; without even
11  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
12  PURPOSE. See the above copyright notice for more information.
13 
14 =========================================================================*/
58 #ifndef __vtk3DWidget_h
59 #define __vtk3DWidget_h
60 
61 #include "vtkInteractorObserver.h"
62 
63 class vtkDataSet;
64 class vtkProp3D;
65 
67 {
68 public:
70  void PrintSelf(ostream& os, vtkIndent indent);
71 
73 
80  virtual void PlaceWidget(double bounds[6]) = 0;
81  virtual void PlaceWidget();
82  virtual void PlaceWidget(double xmin, double xmax, double ymin, double ymax,
83  double zmin, double zmax);
85 
87 
90  virtual void SetProp3D(vtkProp3D*);
91  vtkGetObjectMacro(Prop3D,vtkProp3D);
93 
95 
98  virtual void SetInput(vtkDataSet*);
99  vtkGetObjectMacro(Input,vtkDataSet);
101 
103 
109  vtkSetClampMacro(PlaceFactor,double,0.01,VTK_DOUBLE_MAX);
110  vtkGetMacro(PlaceFactor,double);
112 
114 
118  vtkSetClampMacro(HandleSize,double,0.001,0.5);
119  vtkGetMacro(HandleSize,double);
121 
122 protected:
123  vtk3DWidget();
124  ~vtk3DWidget();
125 
126  // Used to position and scale the widget initially
129 
130  //has the widget ever been placed
131  double PlaceFactor;
132  int Placed;
133  void AdjustBounds(double bounds[6], double newBounds[6], double center[3]);
134 
135  //control the size of handles (if there are any)
136  double InitialBounds[6];
138  double HandleSize;
139  double SizeHandles(double factor);
140  virtual void SizeHandles() {}//subclass in turn invokes parent's SizeHandles()
141 
142  //used to track the depth of the last pick; also interacts with handle sizing
144  double LastPickPosition[3];
145 
146 private:
147  vtk3DWidget(const vtk3DWidget&); // Not implemented.
148  void operator=(const vtk3DWidget&); // Not implemented.
149 
150 };
151 
152 #endif