VTK  9.0.1
vtkLineWidget2.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkLineWidget2.h
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 =========================================================================*/
82 #ifndef vtkLineWidget2_h
83 #define vtkLineWidget2_h
84 
85 #include "vtkAbstractWidget.h"
86 #include "vtkInteractionWidgetsModule.h" // For export macro
87 
89 class vtkHandleWidget;
90 
91 class VTKINTERACTIONWIDGETS_EXPORT vtkLineWidget2 : public vtkAbstractWidget
92 {
93 public:
97  static vtkLineWidget2* New();
98 
100 
104  void PrintSelf(ostream& os, vtkIndent indent) override;
106 
111  void SetEnabled(int enabling) override;
112 
119  {
120  this->Superclass::SetWidgetRepresentation(reinterpret_cast<vtkWidgetRepresentation*>(r));
121  }
122 
127  {
128  return reinterpret_cast<vtkLineRepresentation*>(this->WidgetRep);
129  }
130 
135 
141 
142 protected:
144  ~vtkLineWidget2() override;
145 
146  // Manage the state of the widget
149  {
150  Start = 0,
151  Active
152  };
154 
155  // These methods handle events
161 
162  // The positioning handle widgets
163  vtkHandleWidget* Point1Widget; // first end point
164  vtkHandleWidget* Point2Widget; // second end point
165  vtkHandleWidget* LineHandle; // used when selecting the line
166 
168  static void ProcessKeyEvents(vtkObject*, unsigned long, void*, void*);
169 
170 private:
171  vtkLineWidget2(const vtkLineWidget2&) = delete;
172  void operator=(const vtkLineWidget2&) = delete;
173 };
174 
175 #endif
define the API for widget / widget representation
vtkWidgetRepresentation * WidgetRep
supports function callbacks
a general widget for moving handles
a simple class to control print indentation
Definition: vtkIndent.h:34
a class defining the representation for a vtkLineWidget2
3D widget for manipulating a finite, straight line
~vtkLineWidget2() override
vtkHandleWidget * Point1Widget
static void ProcessKeyEvents(vtkObject *, unsigned long, void *, void *)
vtkHandleWidget * Point2Widget
void SetRepresentation(vtkLineRepresentation *r)
Specify an instance of vtkWidgetRepresentation used to represent this widget in the scene.
vtkCallbackCommand * KeyEventCallbackCommand
static void EndSelectAction(vtkAbstractWidget *)
void CreateDefaultRepresentation() override
Create the default widget representation if one is not set.
static vtkLineWidget2 * New()
Instantiate the object.
static void MoveAction(vtkAbstractWidget *)
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
static void ScaleAction(vtkAbstractWidget *)
void SetEnabled(int enabling) override
Override superclasses' SetEnabled() method because the line widget must enable its internal handle wi...
static void TranslateAction(vtkAbstractWidget *)
vtkLineRepresentation * GetLineRepresentation()
Return the representation as a vtkLineRepresentation.
vtkHandleWidget * LineHandle
static void SelectAction(vtkAbstractWidget *)
void SetProcessEvents(vtkTypeBool) override
Methods to change the whether the widget responds to interaction.
abstract base class for most VTK objects
Definition: vtkObject.h:54
abstract class defines interface between the widget and widget representation classes
int vtkTypeBool
Definition: vtkABI.h:69