map2.h

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/*
    toxic - A Global Illumination Renderer
    Copyright (C) 2003-2004 Francois Beaune
    Contact: http://toxicengine.sourceforge.net/

    This file is part of toxic.

    toxic 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.

    toxic 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 General Public License for more details.

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

#ifndef TOXIC_RENDERER_MAP2_H
#define TOXIC_RENDERER_MAP2_H

#include "common/math/real.h"
#include "color3.h"
#include "globals.h"

#include <cassert>
#include <string>
#include <vector>

namespace toxic {

    class Map2 {
    public:
        struct FileNotFoundException {
            FileNotFoundException(const std::string &filename) :
                m_filename(filename) {}

            std::string m_filename; //!< The name of the image file which could not be opened.
        };

        Map2(const std::string &filename);  //!\todo Remove this constructor.
        Map2(int w, int h, const unsigned char *texels);    //!< 24-bit RGB format.
        Map2(const Map2 &m);

        Color3 Evaluate(sheep::Real u, sheep::Real v) const;

    protected:
        int m_width, m_height;          //!< Dimensions of the map, in texels.
        std::vector<Color3> m_texels;   //!< 2D array (row major) of texels.
    };

#include "map2.inl"

}

#endif  // !TOXIC_RENDERER_MAP2_H

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