ParametricLine.h

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/***************************************************************************
                          ParametricLine.h  -  description
                             -------------------
    copyright            : (C) 2004 by Marco Hugentobler
    email                : [email protected]
 ***************************************************************************/
 
/***************************************************************************
 *                                                                         *
 *   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 "qgis_analysis.h"
#include "qgis_sip.h"
#include "qgspoint.h"
 
#include <QVector>
 
class Vector3D;
 
#define SIP_NO_FILE

class ANALYSIS_EXPORT ParametricLine
{
  protected:
    int mDegree = 0;
    ParametricLine *mParent = nullptr;
    QVector<QgsPoint *> *mControlPoly = nullptr;
 
  public:
    ParametricLine() = default;

    ParametricLine( ParametricLine *par SIP_TRANSFER, QVector<QgsPoint *> *controlpoly );
    virtual ~ParametricLine() = default;
    virtual void add( ParametricLine *pl SIP_TRANSFER ) = 0;
    virtual void calcFirstDer( float t, Vector3D *v SIP_OUT ) = 0;
    virtual void calcSecDer( float t, Vector3D *v SIP_OUT ) = 0;
    //virtual QgsPoint calcPoint(float t);
    virtual void calcPoint( float t, QgsPoint *p SIP_OUT ) = 0;
    virtual void changeDirection() = 0;
    //virtual void draw(QPainter* p);
    virtual const QgsPoint *getControlPoint( int number ) const = 0;
    virtual const QVector<QgsPoint *> *getControlPoly() const = 0;
    virtual int getDegree() const = 0;
    virtual ParametricLine *getParent() const = 0;
    //virtual bool intersects(ParametricLine* pal);
    virtual void remove( int i ) = 0;
    virtual void setControlPoly( QVector<QgsPoint *> *cp ) = 0;
    virtual void setParent( ParametricLine *paral ) = 0;
};
 
#ifndef SIP_RUN
 
//-----------------------------------------constructors and destructor----------------------
 
inline ParametricLine::ParametricLine( ParametricLine *par, QVector<QgsPoint *> *controlpoly )
  : mParent( par )
  , mControlPoly( controlpoly )
{
}
 
#endif
 
#endif