image/codec.h

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/***************************************************************************
 *   Copyright (C) 2004-2006 by Reality Rift Studios                       *
 *   http://www.realityrift.com  -  mattias@realityrift.com                *
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 *   This program 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 this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/

#ifndef neo_image_codec_h
#define neo_image_codec_h

#include "../core/platform.h"
#include "../core/array.h"
#include "../core/singleton.h"

#if NEO_ENABLE_IMAGE

namespace neo {
namespace file { class IStream; class OStream; }
namespace render { class TextureGenerator; }
namespace image {

class Image;

class Codec
{
    public:

    inline virtual                                         ~Codec();


    virtual Image*                                          load( neo::file::IStream* p_stream ) const = 0;


    virtual void                                            save( neo::file::OStream* p_stream, const Image& image ) const = 0;


    inline const core::Array< std::string >&                getExtensions() const;

    protected:

    core::Array< std::string >                              _extensions;
};

class CodecManager : public core::Singleton< CodecManager >
{
    public:


    void                                                    insertCodec( Codec* p_codec );


    void                                                    removeCodec( Codec* p_codec );


    const Codec*                                            getCodec( const std::string& ext ) const;


    inline const core::Array< Codec* >&                     getCodecs() const;

    private:

    core::Array< Codec* >                                   _codecs;


                                                            CodecManager();


    virtual                                                ~CodecManager();

    friend class core::Singleton< CodecManager >;
};

#include "codec.inl"

}
}

#endif

#endif

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