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
49 #ifndef vtkCheckerboardWidget_h
50 #define vtkCheckerboardWidget_h
51 
52 #include "vtkAbstractWidget.h"
53 #include "vtkInteractionWidgetsModule.h" // For export macro
54 
55 VTK_ABI_NAMESPACE_BEGIN
57 class vtkSliderWidget;
58 
59 class VTKINTERACTIONWIDGETS_EXPORT vtkCheckerboardWidget : public vtkAbstractWidget
60 {
61 public:
66 
68 
72  void PrintSelf(ostream& os, vtkIndent indent) override;
74 
80  void SetEnabled(int) override;
81 
88  {
89  this->Superclass::SetWidgetRepresentation(reinterpret_cast<vtkWidgetRepresentation*>(r));
90  }
91 
96  {
97  return reinterpret_cast<vtkCheckerboardRepresentation*>(this->WidgetRep);
98  }
99 
104 
105 protected:
108 
109  // The four slider widgets
114 
115  // Callback interface
117  void CheckerboardInteraction(int sliderNum);
119 
120  friend class vtkCWCallback;
121 
122 private:
124  void operator=(const vtkCheckerboardWidget&) = delete;
125 };
126 
127 VTK_ABI_NAMESPACE_END
128 #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:38
set a value by manipulating a slider
abstract class defines interface between the widget and widget representation classes