VTK  9.0.3
vtkInteractiveArea.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkInteractiveArea.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 =========================================================================*/
15 
23 #ifndef vtkInteractiveArea_h
24 #define vtkInteractiveArea_h
25 
26 #include "vtkChartsCoreModule.h" // For export macro
27 #include "vtkContextArea.h"
28 #include "vtkNew.h" // For vtkNew
29 
31 class vtkRectd;
32 
33 class VTKCHARTSCORE_EXPORT vtkInteractiveArea : public vtkContextArea
34 {
35 public:
37 
39  void PrintSelf(ostream& os, vtkIndent indent) override;
40 
42 
45  bool Paint(vtkContext2D* painter) override;
46  bool Hit(const vtkContextMouseEvent& mouse) override;
47  bool MouseWheelEvent(const vtkContextMouseEvent& mouse, int delta) override;
48  bool MouseMoveEvent(const vtkContextMouseEvent& mouse) override;
49  bool MouseButtonPressEvent(const vtkContextMouseEvent& mouse) override;
51 
52 protected:
54  ~vtkInteractiveArea() override;
55 
57 
60  void SetAxisRange(vtkRectd const& data) override;
61 
62 private:
66  void RecalculateTickSpacing(vtkAxis* axis, int const numClicks);
67 
71  void ComputeViewTransform() override;
72 
73  void ComputeZoom(
74  vtkVector2d const& origin, vtkVector2d& scale, vtkVector2d& shift, vtkVector2d& factor);
75 
76  class MouseActions;
77  MouseActions* Actions;
78 
79  vtkInteractiveArea(const vtkInteractiveArea&) = delete;
80  void operator=(const vtkInteractiveArea&) = delete;
81 };
82 
83 #endif // vtkInteractiveArea_h
takes care of drawing 2D axes
Definition: vtkAxis.h:69
Class for drawing 2D primitives to a graphical context.
Definition: vtkContext2D.h:53
Clipped, transformed area with axes for context items.
virtual void ComputeViewTransform()
data structure to represent mouse events.
all children of this item are transformed by the vtkTransform2D of this item.
a simple class to control print indentation
Definition: vtkIndent.h:34
Implements zooming and panning in a vtkContextArea.
bool MouseWheelEvent(const vtkContextMouseEvent &mouse, int delta) override
vtkAbstractContextItem API
bool Hit(const vtkContextMouseEvent &mouse) override
vtkAbstractContextItem API
~vtkInteractiveArea() override
bool MouseButtonPressEvent(const vtkContextMouseEvent &mouse) override
vtkAbstractContextItem API
bool MouseMoveEvent(const vtkContextMouseEvent &mouse) override
vtkAbstractContextItem API
static vtkInteractiveArea * New()
void SetAxisRange(vtkRectd const &data) override
vtkContextArea API
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
bool Paint(vtkContext2D *painter) override
vtkAbstractContextItem API
@ scale
Definition: vtkX3D.h:235
@ data
Definition: vtkX3D.h:321