Blendable.h

/***************************************************************************
 *   This file is part of OpenCAL: Open Computer Animation Library         *
 *   I created OpenCAL as my master's thesis Computer Science (multimedia) *
 *   at the tUL university in Diepenbeek, Belgium                          *
 *                                                                         *
 *   Copyright (C) 2003-2004 by Jeroen Dierckx                             *
 *   jeroen.dierckx@student.luc.ac.be                                      *
 *                                                                         *
 ***************************************************************************/

#ifndef OPENCAL_UTILS_BLENDABLE_H
#define OPENCAL_UTILS_BLENDABLE_H

// Includes
#include <OpenCAL/global.h>

namespace OpenCAL
{
//  namespace Utils
//  {
        template<class C>
        class OPENCAL_API Blendable
        {
        public:
            // Constructors and destructor
            virtual ~Blendable() {}

            virtual void blend(float u, const C &dest) = 0;

            virtual void blend(float u, const C &source, const C &dest) = 0;

            virtual C blended(float u, const C &dest) const = 0;

            virtual C blended(float u, const C &source, const C &dest) const = 0;
        };
//  }
}

#endif // OPENCAL_UTILS_BLENDABLE_H

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