/usr/include/vtk-6.3/vtkInteractorStyleRubberBand2D.h is in libvtk6-dev 6.3.0+dfsg1-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 | /*=========================================================================
  Program:   Visualization Toolkit
  Module:    vtkInteractorStyleRubberBand2D.h
  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.
=========================================================================*/
/*-------------------------------------------------------------------------
  Copyright 2008 Sandia Corporation.
  Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
  the U.S. Government retains certain rights in this software.
-------------------------------------------------------------------------*/
// .NAME vtkInteractorStyleRubberBand2D - A rubber band interactor for a 2D view
//
// .SECTION Description
// vtkInteractorStyleRubberBand2D manages interaction in a 2D view.
// Camera rotation is not allowed with this interactor style.
// Zooming affects the camera's parallel scale only, and assumes
// that the camera is in parallel projection mode.
// The style also allows draws a rubber band using the left button.
// All camera changes invoke InteractionBeginEvent when the button
// is pressed, InteractionEvent when the mouse (or wheel) is moved,
// and InteractionEndEvent when the button is released.  The bindings
// are as follows:
// Left mouse - Select (invokes a SelectionChangedEvent).
// Right mouse - Zoom.
// Middle mouse - Pan.
// Scroll wheel - Zoom.
#ifndef vtkInteractorStyleRubberBand2D_h
#define vtkInteractorStyleRubberBand2D_h
#include "vtkInteractionStyleModule.h" // For export macro
#include "vtkInteractorStyle.h"
class vtkUnsignedCharArray;
class VTKINTERACTIONSTYLE_EXPORT vtkInteractorStyleRubberBand2D : public vtkInteractorStyle
{
public:
  static vtkInteractorStyleRubberBand2D *New();
  vtkTypeMacro(vtkInteractorStyleRubberBand2D, vtkInteractorStyle);
  void PrintSelf(ostream& os, vtkIndent indent);
  virtual void OnLeftButtonDown();
  virtual void OnLeftButtonUp();
  virtual void OnMiddleButtonDown();
  virtual void OnMiddleButtonUp();
  virtual void OnRightButtonDown();
  virtual void OnRightButtonUp();
  virtual void OnMouseMove();
  virtual void OnMouseWheelForward();
  virtual void OnMouseWheelBackward();
  // Description:
  // Whether to invoke a render when the mouse moves.
  vtkSetMacro(RenderOnMouseMove, bool);
  vtkGetMacro(RenderOnMouseMove, bool);
  vtkBooleanMacro(RenderOnMouseMove, bool);
  //BTX
  // Description:
  // Selection types
  enum
    {
    SELECT_NORMAL = 0,
    SELECT_UNION = 1
    };
  //ETX
  // Description:
  // Current interaction state
  vtkGetMacro(Interaction, int);
  //BTX
  enum
    {
    NONE,
    PANNING,
    ZOOMING,
    SELECTING
    };
  //ETX
  // Description:
  // Access to the start and end positions (display coordinates) of the rubber
  // band pick area. This is a convenience method for the wrapped languages
  // since the event callData is lost when using those wrappings.
  vtkGetVector2Macro(StartPosition,int);
  vtkGetVector2Macro(EndPosition,int);
protected:
  vtkInteractorStyleRubberBand2D();
  ~vtkInteractorStyleRubberBand2D();
  // The interaction mode
  int Interaction;
  // Draws the selection rubber band
  void RedrawRubberBand();
  // The end position of the selection
  int StartPosition[2];
  // The start position of the selection
  int EndPosition[2];
  // The pixel array for the rubber band
  vtkUnsignedCharArray* PixelArray;
  // Whether to render when the mouse moves
  bool RenderOnMouseMove;
private:
  vtkInteractorStyleRubberBand2D(const vtkInteractorStyleRubberBand2D&); // Not implemented
  void operator=(const vtkInteractorStyleRubberBand2D&); // Not implemented
};
#endif
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