VTK  9.2.5
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 =========================================================================*/
106 #ifndef vtkAngleWidget_h
107 #define vtkAngleWidget_h
108 
109 #include "vtkAbstractWidget.h"
110 #include "vtkInteractionWidgetsModule.h" // For export macro
111 
113 class vtkHandleWidget;
114 class vtkAngleWidgetCallback;
115 
116 class VTKINTERACTIONWIDGETS_EXPORT vtkAngleWidget : public vtkAbstractWidget
117 {
118 public:
122  static vtkAngleWidget* New();
123 
125 
129  void PrintSelf(ostream& os, vtkIndent indent) override;
131 
137  void SetEnabled(int) override;
138 
145  {
146  this->Superclass::SetWidgetRepresentation(reinterpret_cast<vtkWidgetRepresentation*>(r));
147  }
148 
153 
158  {
159  return reinterpret_cast<vtkAngleRepresentation*>(this->WidgetRep);
160  }
161 
167 
173 
180  enum
181  {
182  Start = 0,
184  Manipulate
185  };
186 
188 
198  virtual void SetWidgetStateToStart();
201 
205  virtual int GetWidgetState() { return this->WidgetState; }
206 
207 protected:
209  ~vtkAngleWidget() override;
210 
211  // The state of the widget
214 
215  // Callback interface to capture events when
216  // placing the widget.
220 
221  // The positioning handle widgets
225  vtkAngleWidgetCallback* AngleWidgetCallback1;
226  vtkAngleWidgetCallback* AngleWidgetCenterCallback;
227  vtkAngleWidgetCallback* AngleWidgetCallback2;
228 
229  // Methods invoked when the handles at the
230  // end points of the widget are manipulated
231  void StartAngleInteraction(int handleNum);
232  void AngleInteraction(int handleNum);
233  void EndAngleInteraction(int handleNum);
234 
235  friend class vtkAngleWidgetCallback;
236 
237 private:
238  vtkAngleWidget(const vtkAngleWidget&) = delete;
239  void operator=(const vtkAngleWidget&) = delete;
240 };
241 
242 #endif
define the API for widget / widget representation
vtkWidgetRepresentation * WidgetRep
represent the vtkAngleWidget
measure the angle between two rays (defined by three points)
vtkAngleRepresentation * GetAngleRepresentation()
Return the representation as a vtkAngleRepresentation.
~vtkAngleWidget() override
static vtkAngleWidget * New()
Instantiate this class.
void CreateDefaultRepresentation() override
Create the default widget representation if one is not set.
vtkAngleWidgetCallback * AngleWidgetCallback2
vtkAngleWidgetCallback * AngleWidgetCallback1
vtkHandleWidget * Point2Widget
void PrintSelf(ostream &os, vtkIndent indent) override
Standard methods for a VTK class.
vtkTypeBool IsAngleValid()
A flag indicates whether the angle is valid.
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 *)
static void AddPointAction(vtkAbstractWidget *)
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)
virtual void SetWidgetStateToManipulate()
Set the state of the widget.
void SetProcessEvents(vtkTypeBool) override
Methods to change the whether the widget responds to interaction.
vtkHandleWidget * Point1Widget
void SetEnabled(int) override
The method for activating and deactivating this widget.
void EndAngleInteraction(int handleNum)
a general widget for moving handles
a simple class to control print indentation
Definition: vtkIndent.h:119
abstract class defines interface between the widget and widget representation classes
int vtkTypeBool
Definition: vtkABI.h:69