VTK  9.1.0
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
113class vtkHandleWidget;
114class vtkAngleWidgetCallback;
115
116class VTKINTERACTIONWIDGETS_EXPORT vtkAngleWidget : public vtkAbstractWidget
117{
118public:
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
207protected:
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
237private:
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)
~vtkAngleWidget() override
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.
vtkAngleRepresentation * GetAngleRepresentation()
Return the representation as a vtkAngleRepresentation.
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 *)
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)
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:113
abstract class defines interface between the widget and widget representation classes
int vtkTypeBool
Definition: vtkABI.h:69