VTK  9.2.6
vtkInteractorStyleRubberBandZoom.h
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1/*=========================================================================
2
3 Program: Visualization Toolkit
4 Module: vtkInteractorStyleRubberBandZoom.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=========================================================================*/
28#ifndef vtkInteractorStyleRubberBandZoom_h
29#define vtkInteractorStyleRubberBandZoom_h
30
31#include "vtkInteractionStyleModule.h" // For export macro
32#include "vtkInteractorStyle.h"
33#include "vtkRect.h" // for vtkRecti
34
36
37class VTKINTERACTIONSTYLE_EXPORT vtkInteractorStyleRubberBandZoom : public vtkInteractorStyle
38{
39public:
42 void PrintSelf(ostream& os, vtkIndent indent) override;
43
45
49 vtkSetMacro(LockAspectToViewport, bool);
50 vtkGetMacro(LockAspectToViewport, bool);
51 vtkBooleanMacro(LockAspectToViewport, bool);
53
55
65 vtkSetMacro(CenterAtStartPosition, bool);
66 vtkGetMacro(CenterAtStartPosition, bool);
67 vtkBooleanMacro(CenterAtStartPosition, bool);
69
71
80 vtkSetMacro(UseDollyForPerspectiveProjection, bool);
81 vtkGetMacro(UseDollyForPerspectiveProjection, bool);
82 vtkBooleanMacro(UseDollyForPerspectiveProjection, bool);
84
86
89 void OnMouseMove() override;
90 void OnLeftButtonDown() override;
91 void OnLeftButtonUp() override;
93
94protected:
97
98 void Zoom() override;
99
100 virtual void ZoomTraditional(const vtkRecti& box);
101
107
108 int StartPosition[2];
109 int EndPosition[2];
115
116private:
118 void operator=(const vtkInteractorStyleRubberBandZoom&) = delete;
119
125 void AdjustBox(int startPosition[2], int endPosition[2]) const;
126};
127
128#endif
a simple class to control print indentation
Definition vtkIndent.h:40
zoom in by amount indicated by rubber band box
void OnLeftButtonDown() override
Event bindings.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
virtual void ZoomTraditional(const vtkRecti &box)
virtual vtkVector3d CalculatePerspectiveZoomFocalPoint(const vtkRecti &box) const
Calculates the focal point to be used when zooming on perspective projection using the view angle bas...
void OnLeftButtonUp() override
Event bindings.
void OnMouseMove() override
Event bindings.
static vtkInteractorStyleRubberBandZoom * New()
provide event-driven interface to the rendering window (defines trackball mode)
dynamic, self-adjusting array of unsigned char