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 =========================================================================*/
47 #ifndef vtkInteractorStyleRubberBandZoom_h
48 #define vtkInteractorStyleRubberBandZoom_h
49 
50 #include "vtkInteractionStyleModule.h" // For export macro
51 #include "vtkInteractorStyle.h"
52 #include "vtkRect.h" // for vtkRecti
53 
55 
56 class VTKINTERACTIONSTYLE_EXPORT vtkInteractorStyleRubberBandZoom : public vtkInteractorStyle
57 {
58 public:
61  void PrintSelf(ostream& os, vtkIndent indent) override;
62 
64 
68  vtkSetMacro(LockAspectToViewport, bool);
69  vtkGetMacro(LockAspectToViewport, bool);
70  vtkBooleanMacro(LockAspectToViewport, bool);
72 
74 
84  vtkSetMacro(CenterAtStartPosition, bool);
85  vtkGetMacro(CenterAtStartPosition, bool);
86  vtkBooleanMacro(CenterAtStartPosition, bool);
88 
90 
99  vtkSetMacro(UseDollyForPerspectiveProjection, bool);
100  vtkGetMacro(UseDollyForPerspectiveProjection, bool);
101  vtkBooleanMacro(UseDollyForPerspectiveProjection, bool);
103 
105 
108  void OnMouseMove() override;
109  void OnLeftButtonDown() override;
110  void OnLeftButtonUp() override;
112 
113 protected:
116 
117  void Zoom() override;
118 
119  virtual void ZoomTraditional(const vtkRecti& box);
120 
126 
127  int StartPosition[2];
128  int EndPosition[2];
129  int Moving;
134 
135 private:
137  void operator=(const vtkInteractorStyleRubberBandZoom&) = delete;
138 
144  void AdjustBox(int startPosition[2], int endPosition[2]) const;
145 };
146 
147 #endif
a simple class to control print indentation
Definition: vtkIndent.h:119
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...
static vtkInteractorStyleRubberBandZoom * New()
void OnLeftButtonUp() override
Event bindings.
void OnMouseMove() override
Event bindings.
provide event-driven interface to the rendering window (defines trackball mode)
dynamic, self-adjusting array of unsigned char