VTK  9.3.0
vtkCheckerboardWidget.h
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1 // SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2 // SPDX-License-Identifier: BSD-3-Clause
40 #ifndef vtkCheckerboardWidget_h
41 #define vtkCheckerboardWidget_h
42 
43 #include "vtkAbstractWidget.h"
44 #include "vtkInteractionWidgetsModule.h" // For export macro
45 
46 VTK_ABI_NAMESPACE_BEGIN
48 class vtkSliderWidget;
49 
50 class VTKINTERACTIONWIDGETS_EXPORT vtkCheckerboardWidget : public vtkAbstractWidget
51 {
52 public:
57 
59 
63  void PrintSelf(ostream& os, vtkIndent indent) override;
65 
71  void SetEnabled(int) override;
72 
79  {
80  this->Superclass::SetWidgetRepresentation(reinterpret_cast<vtkWidgetRepresentation*>(r));
81  }
82 
87  {
88  return reinterpret_cast<vtkCheckerboardRepresentation*>(this->WidgetRep);
89  }
90 
94  void CreateDefaultRepresentation() override;
95 
96 protected:
99 
100  // The four slider widgets
105 
106  // Callback interface
108  void CheckerboardInteraction(int sliderNum);
110 
111  friend class vtkCWCallback;
112 
113 private:
115  void operator=(const vtkCheckerboardWidget&) = delete;
116 };
117 
118 VTK_ABI_NAMESPACE_END
119 #endif
define the API for widget / widget representation
vtkWidgetRepresentation * WidgetRep
represent the vtkCheckerboardWidget
interactively set the number of divisions in 2D image checkerboard
void SetRepresentation(vtkCheckerboardRepresentation *r)
Specify an instance of vtkWidgetRepresentation used to represent this widget in the scene.
~vtkCheckerboardWidget() override
void EndCheckerboardInteraction()
void CheckerboardInteraction(int sliderNum)
vtkSliderWidget * BottomSlider
void PrintSelf(ostream &os, vtkIndent indent) override
Standard methods for a VTK class.
vtkSliderWidget * LeftSlider
void CreateDefaultRepresentation() override
Create the default widget representation if one is not set.
void StartCheckerboardInteraction()
void SetEnabled(int) override
The method for activating and deactivating this widget.
vtkCheckerboardRepresentation * GetCheckerboardRepresentation()
Return the representation as a vtkCheckerboardRepresentation.
static vtkCheckerboardWidget * New()
Instantiate this class.
vtkSliderWidget * RightSlider
a simple class to control print indentation
Definition: vtkIndent.h:29
set a value by manipulating a slider
abstract class defines interface between the widget and widget representation classes