VTK  9.3.1
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 
71 VTK_ABI_NAMESPACE_BEGIN
73 class vtkHandleWidget;
74 class vtkAngleWidgetCallback;
75 
76 class VTKINTERACTIONWIDGETS_EXPORT vtkAngleWidget : public vtkAbstractWidget
77 {
78 public:
82  static vtkAngleWidget* New();
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 
112  void CreateDefaultRepresentation() override;
113 
118  {
119  return reinterpret_cast<vtkAngleRepresentation*>(this->WidgetRep);
120  }
121 
126  vtkTypeBool IsAngleValid();
127 
132  void SetProcessEvents(vtkTypeBool) override;
133 
140  enum
141  {
142  Start = 0,
144  Manipulate
145  };
146 
148 
158  virtual void SetWidgetStateToStart();
159  virtual void SetWidgetStateToManipulate();
161 
165  virtual int GetWidgetState() { return this->WidgetState; }
166 
167 protected:
168  vtkAngleWidget();
169  ~vtkAngleWidget() override;
170 
171  // The state of the widget
174 
175  // Callback interface to capture events when
176  // placing the widget.
177  static void AddPointAction(vtkAbstractWidget*);
178  static void MoveAction(vtkAbstractWidget*);
179  static void EndSelectAction(vtkAbstractWidget*);
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 
197 private:
198  vtkAngleWidget(const vtkAngleWidget&) = delete;
199  void operator=(const vtkAngleWidget&) = delete;
200 };
201 
202 VTK_ABI_NAMESPACE_END
203 #endif
vtkAngleWidgetCallback * AngleWidgetCenterCallback
void SetRepresentation(vtkAngleRepresentation *r)
Specify an instance of vtkWidgetRepresentation used to represent this widget in the scene...
vtkAngleRepresentation * GetAngleRepresentation()
Return the representation as a vtkAngleRepresentation.
void PrintSelf(ostream &os, vtkIndent indent) override
Standard macros implementing standard VTK methods.
a general widget for moving handles
vtkAngleWidgetCallback * AngleWidgetCallback2
virtual void CreateDefaultRepresentation()=0
Create the default widget representation if one is not set.
vtkWidgetRepresentation * WidgetRep
vtkHandleWidget * Point1Widget
int vtkTypeBool
Definition: vtkABI.h:64
vtkHandleWidget * CenterWidget
a simple class to control print indentation
Definition: vtkIndent.h:28
represent the vtkAngleWidget
measure the angle between two rays (defined by three points)
vtkAngleWidgetCallback * AngleWidgetCallback1
define the API for widget / widget representation
virtual void SetProcessEvents(vtkTypeBool)
Methods to change whether the widget responds to interaction.
vtkHandleWidget * Point2Widget
void SetEnabled(int) override
Methods for activating this widget.
static vtkObject * New()
Create an object with Debug turned off, modified time initialized to zero, and reference counting on...
virtual int GetWidgetState()
Return the current widget state.