---

glt/colmap.h

Go to the documentation of this file.

#ifndef GLT_COLMAP_H
#define GLT_COLMAP_H

/*

  GLT OpenGL C++ Toolkit      
  Copyright (C) 2000-2002 Nigel Stewart
  Email: nigels.com@gmail.com   WWW: http://www.nigels.com/glt/

  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.

  This library is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public
  License along with this library; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

*/

#include <glt/color.h>

#include <list>

class GltColorMap
{
public:
    GltColorMap();
    ~GltColorMap();

    void addEntry(const real t,const GltColor &color);
    void addEntry(const real t,const GltColor &color,const real alpha);

    void clear();

    GltColor  lookup(const double t) const;
    double    lookup(const int i)    const;

    const int    size()     const;
    const real start()    const;
    const real end()      const;
    const real duration() const;

    GltColorMap &operator+=(const real x);
    GltColorMap &operator-=(const real x);
    GltColorMap &operator*=(const real x);
    GltColorMap &operator/=(const real x);

private:

    typedef std::list< std::pair<real,GltColor> >    map;
    typedef GltColorMap::map::iterator               iterator;
    typedef GltColorMap::map::const_iterator         const_iterator;

    map _map;
};

#endif

---