VTK
vtkAngleWidget.h
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1/*=========================================================================
2
3 Program: Visualization Toolkit
4 Module: vtkAngleWidget.h,v
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=========================================================================*/
77#ifndef vtkAngleWidget_h
78#define vtkAngleWidget_h
79
80#include "vtkInteractionWidgetsModule.h" // For export macro
81#include "vtkAbstractWidget.h"
82
84class vtkHandleWidget;
85class vtkAngleWidgetCallback;
86
87
88class VTKINTERACTIONWIDGETS_EXPORT vtkAngleWidget : public vtkAbstractWidget
89{
90public:
95
97
101 void PrintSelf(ostream& os, vtkIndent indent);
103
109 virtual void SetEnabled(int);
110
117 {this->Superclass::SetWidgetRepresentation(reinterpret_cast<vtkWidgetRepresentation*>(r));}
118
123
128 {return reinterpret_cast<vtkAngleRepresentation*>(this->WidgetRep);}
129
135
140 virtual void SetProcessEvents(int);
141
148 enum {Start=0,Define,Manipulate};
149
151
161 virtual void SetWidgetStateToStart();
164
168 virtual int GetWidgetState()
169 {return this->WidgetState;}
170
171protected:
174
175 // The state of the widget
178
179 // Callback interface to capture events when
180 // placing the widget.
184
185 // The positioning handle widgets
189 vtkAngleWidgetCallback *AngleWidgetCallback1;
190 vtkAngleWidgetCallback *AngleWidgetCenterCallback;
191 vtkAngleWidgetCallback *AngleWidgetCallback2;
192
193 // Methods invoked when the handles at the
194 // end points of the widget are manipulated
195 void StartAngleInteraction(int handleNum);
196 void AngleInteraction(int handleNum);
197 void EndAngleInteraction(int handleNum);
198
199 friend class vtkAngleWidgetCallback;
200
201private:
202 vtkAngleWidget(const vtkAngleWidget&) VTK_DELETE_FUNCTION;
203 void operator=(const vtkAngleWidget&) VTK_DELETE_FUNCTION;
204};
205
206#endif
define the API for widget / widget representation
vtkWidgetRepresentation * WidgetRep
represent the vtkAngleWidget
measure the angle between two rays (defined by three points)
vtkAngleWidgetCallback * AngleWidgetCallback2
int IsAngleValid()
A flag indicates whether the angle is valid.
vtkAngleWidgetCallback * AngleWidgetCallback1
vtkHandleWidget * Point2Widget
vtkAngleRepresentation * GetAngleRepresentation()
Return the representation as a vtkAngleRepresentation.
virtual void SetEnabled(int)
The method for activating and deactivating this widget.
vtkAngleWidgetCallback * AngleWidgetCenterCallback
virtual void SetWidgetStateToStart()
Set the state of the widget.
virtual int GetWidgetState()
Return the current widget state.
vtkHandleWidget * CenterWidget
static void EndSelectAction(vtkAbstractWidget *)
virtual void SetProcessEvents(int)
Methods to change the whether the widget responds to interaction.
void PrintSelf(ostream &os, vtkIndent indent)
Methods invoked by print to print information about the object including superclasses.
static void AddPointAction(vtkAbstractWidget *)
static vtkAngleWidget * New()
Instantiate this class.
void AngleInteraction(int handleNum)
void SetRepresentation(vtkAngleRepresentation *r)
Specify an instance of vtkWidgetRepresentation used to represent this widget in the scene.
static void MoveAction(vtkAbstractWidget *)
void StartAngleInteraction(int handleNum)
void CreateDefaultRepresentation()
Create the default widget representation if one is not set.
virtual void SetWidgetStateToManipulate()
vtkHandleWidget * Point1Widget
void EndAngleInteraction(int handleNum)
a general widget for moving handles
a simple class to control print indentation
Definition: vtkIndent.h:40
abstract class defines interface between the widget and widget representation classes