GLHelper.h

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/****************************************************************************/
// Some methods which help to draw certain geometrical objects in openGL
/****************************************************************************/
// SUMO, Simulation of Urban MObility; see http://sumo.sourceforge.net/
// Copyright 2001-2010 DLR (http://www.dlr.de/) and contributors
/****************************************************************************/
//
//   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 GLHelper_h
#define GLHelper_h


// ===========================================================================
// included modules
// ===========================================================================
#ifdef _MSC_VER
#include <windows_config.h>
#else
#include <config.h>
#endif

#include <vector>
#include <utility>
#include <utils/geom/Position2DVector.h>
#include <utils/geom/Line2D.h>


// ===========================================================================
// class definitions
// ===========================================================================
class GLHelper {
public:
    static void drawFilledPoly(const Position2DVector &v, bool close) throw();


    static void drawBoxLine(const Position2D &beg, SUMOReal rot,
                            SUMOReal visLength, SUMOReal width) throw();


    static void drawBoxLine(const Position2D &beg1, const Position2D &beg2,
                            SUMOReal rot, SUMOReal visLength, SUMOReal width) throw();


    static void drawBoxLines(const Position2DVector &geom,
                             const std::vector<SUMOReal> &rots, const std::vector<SUMOReal> &lengths,
                             SUMOReal width) throw();


    static void drawBoxLines(const Position2DVector &geom1,
                             const Position2DVector &geom2,
                             const std::vector<SUMOReal> &rots, const std::vector<SUMOReal> &lengths,
                             SUMOReal width) throw();


    static void drawBoxLines(const Position2DVector &geom, SUMOReal width) throw();


    static void drawLine(const Position2D &beg, SUMOReal rot,
                         SUMOReal visLength) throw();


    static void drawLine(const Position2D &beg1, const Position2D &beg2,
                         SUMOReal rot, SUMOReal visLength) throw();


    static void drawLine(const Position2DVector &v) throw();


    static void drawLine(const Position2D &beg, const Position2D &end) throw();


    static void drawFilledCircle(SUMOReal width, int steps=8) throw();


    static void drawFilledCircle(SUMOReal width, int steps,
                                 SUMOReal beg, SUMOReal end) throw();


    static void drawOutlineCircle(SUMOReal width, SUMOReal iwidth,
                                  int steps=8) throw();


    static void drawOutlineCircle(SUMOReal width, SUMOReal iwidth,
                                  int steps, SUMOReal beg, SUMOReal end) throw();


    static void drawTriangleAtEnd(const Line2D &l, SUMOReal tLength,
                                  SUMOReal tWidth) throw();

private:
    static std::vector<std::pair<SUMOReal, SUMOReal> > myCircleCoords;

};


#endif

/****************************************************************************/