/usr/include/qgis/Line3D.h is in libqgis-dev 2.0.1-2build2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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Line3D.h - description
-------------------
copyright : (C) 2004 by Marco Hugentobler
email : mhugent@geo.unizh.ch
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#ifndef LINE3D_H
#define LINE3D_H
#include "Point3D.h"
#include "Node.h"
/**This class represents a line. It is implemented as a single directed linked list of nodes (with related Point3D objects). Attention: the points inserted in a line are not deleted from Line3D*/
class ANALYSIS_EXPORT Line3D
{
private:
/**copy constructor, declared privat to not use it*/
Line3D( const Line3D& );
/**assignment operator, declared privat to not use it*/
Line3D& operator=( const Line3D& );
protected:
Node* head;
Node* z;
Node* currentNode;
unsigned int size;
unsigned int current;
public:
Line3D();
~Line3D();
/**returns true, if the Line contains no Point3D, otherwise false*/
bool empty() const;
/**inserts a node behind the current position and sets the current position to this new node*/
void insertPoint( Point3D* p );
/**removes the point behind the current position*/
void removePoint();
/**gets the point at the current position*/
Point3D* getPoint() const;
/**returns the current position*/
unsigned int getCurrent() const;
/**returns the size of the line (the numbero of inserted Nodes without 'head' and 'z'*/
unsigned int getSize() const;
/**sets the current Node to head*/
void goToBegin();
/**goes to the next Node*/
void goToNext();
};
inline Line3D::Line3D( const Line3D& )
{
}
inline Line3D& Line3D::operator=( const Line3D& )
{
return ( *this );
}
inline unsigned int Line3D::getCurrent() const
{
return current;
}
inline Point3D* Line3D::getPoint() const
{
return ( currentNode->getPoint() );
}
inline unsigned int Line3D::getSize() const
{
return size;
}
#endif
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