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
65#ifndef vtkAngleWidget_h
66#define vtkAngleWidget_h
67
68#include "vtkAbstractWidget.h"
69#include "vtkInteractionWidgetsModule.h" // For export macro
70
71VTK_ABI_NAMESPACE_BEGIN
73class vtkHandleWidget;
74class vtkAngleWidgetCallback;
75
76class VTKINTERACTIONWIDGETS_EXPORT vtkAngleWidget : public vtkAbstractWidget
77{
78public:
83
85
89 void PrintSelf(ostream& os, vtkIndent indent) override;
91
97 void SetEnabled(int) override;
98
105 {
106 this->Superclass::SetWidgetRepresentation(reinterpret_cast<vtkWidgetRepresentation*>(r));
107 }
108
113
118 {
119 return reinterpret_cast<vtkAngleRepresentation*>(this->WidgetRep);
120 }
121
127
133
140 enum
141 {
142 Start = 0,
144 Manipulate
145 };
146
148
158 virtual void SetWidgetStateToStart();
161
165 virtual int GetWidgetState() { return this->WidgetState; }
166
167protected:
169 ~vtkAngleWidget() override;
170
171 // The state of the widget
174
175 // Callback interface to capture events when
176 // placing the widget.
180
181 // The positioning handle widgets
185 vtkAngleWidgetCallback* AngleWidgetCallback1;
186 vtkAngleWidgetCallback* AngleWidgetCenterCallback;
187 vtkAngleWidgetCallback* AngleWidgetCallback2;
188
189 // Methods invoked when the handles at the
190 // end points of the widget are manipulated
191 void StartAngleInteraction(int handleNum);
192 void AngleInteraction(int handleNum);
193 void EndAngleInteraction(int handleNum);
194
195 friend class vtkAngleWidgetCallback;
196
197private:
198 vtkAngleWidget(const vtkAngleWidget&) = delete;
199 void operator=(const vtkAngleWidget&) = delete;
200};
201
202VTK_ABI_NAMESPACE_END
203#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:29
abstract class defines interface between the widget and widget representation classes
int vtkTypeBool
Definition vtkABI.h:64