VTK  9.3.0
vtkAngleWidget.h
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1// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2// SPDX-License-Identifier: BSD-3-Clause
71#ifndef vtkAngleWidget_h
72#define vtkAngleWidget_h
73
74#include "vtkAbstractWidget.h"
75#include "vtkInteractionWidgetsModule.h" // For export macro
76
77VTK_ABI_NAMESPACE_BEGIN
79class vtkHandleWidget;
80class vtkAngleWidgetCallback;
81
82class VTKINTERACTIONWIDGETS_EXPORT vtkAngleWidget : public vtkAbstractWidget
83{
84public:
89
91
95 void PrintSelf(ostream& os, vtkIndent indent) override;
97
103 void SetEnabled(int) override;
104
111 {
112 this->Superclass::SetWidgetRepresentation(reinterpret_cast<vtkWidgetRepresentation*>(r));
113 }
114
119
124 {
125 return reinterpret_cast<vtkAngleRepresentation*>(this->WidgetRep);
126 }
127
133
139
146 enum
147 {
148 Start = 0,
150 Manipulate
151 };
152
154
164 virtual void SetWidgetStateToStart();
167
171 virtual int GetWidgetState() { return this->WidgetState; }
172
173protected:
175 ~vtkAngleWidget() override;
176
177 // The state of the widget
180
181 // Callback interface to capture events when
182 // placing the widget.
186
187 // The positioning handle widgets
191 vtkAngleWidgetCallback* AngleWidgetCallback1;
192 vtkAngleWidgetCallback* AngleWidgetCenterCallback;
193 vtkAngleWidgetCallback* AngleWidgetCallback2;
194
195 // Methods invoked when the handles at the
196 // end points of the widget are manipulated
197 void StartAngleInteraction(int handleNum);
198 void AngleInteraction(int handleNum);
199 void EndAngleInteraction(int handleNum);
200
201 friend class vtkAngleWidgetCallback;
202
203private:
204 vtkAngleWidget(const vtkAngleWidget&) = delete;
205 void operator=(const vtkAngleWidget&) = delete;
206};
207
208VTK_ABI_NAMESPACE_END
209#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:38
abstract class defines interface between the widget and widget representation classes
int vtkTypeBool
Definition vtkABI.h:64