/usr/include/qgis/ParametricLine.h is in libqgis-dev 2.4.0-1+b1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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ParametricLine.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 PARAMETRICLINE_H
#define PARAMETRICLINE_H
#include "Point3D.h"
#include "Vector3D.h"
#include <QVector>
class ANALYSIS_EXPORT ParametricLine
/**ParametricLine is an Interface for parametric lines. It is possible, that a parametric line is composed of several parametric lines (see the composite pattern in Gamma et al. 'Design Patterns'). Do not build instances of it since it is an abstract class.*/
{
protected:
/**Degree of the parametric Line*/
int mDegree;
/**Pointer to the parent object. If there isn't one, mParent is 0*/
ParametricLine* mParent;
/**mControlPoly stores the points of the control polygon*/
QVector<Point3D*>* mControlPoly;
public:
/**Default constructor*/
ParametricLine();
/**Constructor, par is a pointer to the parent object, controlpoly the controlpolygon
@note not available in python binding */
ParametricLine( ParametricLine* par, QVector<Point3D*>* controlpoly );
/**Destructor*/
virtual ~ParametricLine();
virtual void add( ParametricLine* pl ) = 0;
virtual void calcFirstDer( float t, Vector3D* v ) = 0;
virtual void calcSecDer( float t, Vector3D* v ) = 0;
//virtual Point3D calcPoint(float t);
virtual void calcPoint( float t, Point3D* ) = 0;
virtual void changeDirection() = 0;
//virtual void draw(QPainter* p);
virtual const Point3D* getControlPoint( int number ) const = 0;
//! @note not available in python binding
virtual const QVector<Point3D*>* getControlPoly() const = 0;
virtual int getDegree() const = 0;
virtual ParametricLine* getParent() const = 0;
//virtual bool intersects(ParametricLine* pal);
virtual void remove( int i ) = 0;
//! @note not available in python binding
virtual void setControlPoly( QVector<Point3D*>* cp ) = 0;
virtual void setParent( ParametricLine* paral ) = 0;
};
//-----------------------------------------constructors and destructor----------------------
inline ParametricLine::ParametricLine() : mParent( 0 ), mControlPoly( 0 )
{
}
inline ParametricLine::ParametricLine( ParametricLine* par, QVector<Point3D*>* controlpoly ) : mParent( par ), mControlPoly( controlpoly )
{
}
inline ParametricLine::~ParametricLine()
{
//delete mParent;
}
#endif
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