/usr/include/vtk-5.8/vtkContextBufferId.h is in libvtk5-dev 5.8.0-5.
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 | /*=========================================================================
Program: Visualization Toolkit
Module: vtkContextBufferId.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.
=========================================================================*/
// .NAME vtkContextBufferId - 2D array of ids, used for picking.
//
// .SECTION Description
// An 2D array where each element is the id of an entity drawn at the given
// pixel.
#ifndef __vtkContextBufferId_h
#define __vtkContextBufferId_h
#include "vtkAbstractContextBufferId.h"
class vtkIntArray;
class VTK_CHARTS_EXPORT vtkContextBufferId : public vtkAbstractContextBufferId
{
public:
vtkTypeMacro(vtkContextBufferId, vtkAbstractContextBufferId);
virtual void PrintSelf(ostream &os, vtkIndent indent);
// Description:
// Creates a 2D Painter object.
static vtkContextBufferId *New();
// Description:
// Allocate the memory for at least Width*Height elements.
// \pre positive_width: GetWidth()>0
// \pre positive_height: GetHeight()>0
virtual void Allocate();
// Description:
// Tell if the buffer has been allocated.
virtual bool IsAllocated() const;
// Description:
// Copy the contents of the current read buffer to the internal array
// starting at lower left corner of the framebuffer (srcXmin,srcYmin).
// \pre is_allocated: this->IsAllocated()
virtual void SetValues(int srcXmin,
int srcYmin);
// Description:
// Return item under abscissa x and ordinate y.
// Abscissa go from left to right.
// Ordinate go from bottom to top.
// The return value is -1 if there is no item.
// \pre is_allocated: IsAllocated()
// \post valid_result: result>=-1
virtual vtkIdType GetPickedItem(int x, int y);
protected:
vtkContextBufferId();
virtual ~vtkContextBufferId();
// Description:
// Set the value at index `i'.
// \pre is_allocated: this->IsAllocated()
// \pre valid_i: i>=0 i<this->GetWidth()*this->GetHeight()
// \post is_set: this->GetValue(i)==value
void SetValue(vtkIdType i,
int value);
// Description:
// Get the value at index `i'.
// \pre is_allocated: this->IsAllocated()
// \pre valid_i: i>=0 i<this->GetWidth()*this->GetHeight()
int GetValue(vtkIdType i);
vtkIntArray *IdArray;
private:
vtkContextBufferId(const vtkContextBufferId &); // Not implemented.
void operator=(const vtkContextBufferId &); // Not implemented.
};
#endif // #ifndef __vtkContextBufferId_h
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