IvfFog.h

//
// Copyright 1999-2006 by Structural Mechanics, Lund University.
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 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
// Library General Public License for more details.
//
// You should have received a copy of the GNU Library 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.
//
// Please report all bugs and problems to "ivf@byggmek.lth.se".
//
//
// Written by Jonas Lindemann
//

#ifndef _CIvfFog_h_
#define _CIvfFog_h_

#include <ivf/IvfBase.h>
#include <ivfdef/IvfSingletonDestroyer.h>

IvfStdPointer(CIvfFog);

class IVF_API CIvfFog : public CIvfBase {
public:
        enum TFogType {
                FT_LINEAR,
                FT_EXP,
                FT_EXP2
        };      
private:
        static CIvfFog* m_instance;
        static CIvfSingletonDestroyer<CIvfFog> m_destroyer;
        float m_fogColor[4];
        double m_fogStart;
        double m_fogEnd;
        TFogType m_type;
public:
        static CIvfFog* getInstance();

        IvfClassInfo("CIvfFog",CIvfBase);

        void enable();

        void disable();

        bool isEnabled();

        void setType(TFogType type);

        TFogType getType();

        void setLimits(double start, double end);

        void setStart(double start);

        void setEnd(double end);

        void getLimits(double &start, double &end);

        double getStart();

        double getEnd();

        void setDensity(double density);

        double getDensity();

        void setColor(float red, float green, float blue, float alpha);

        void getColor(float &red, float &green, float &blue, float &alpha);
protected:
        CIvfFog();
        friend class CIvfSingletonDestroyer<CIvfFog>;
};

#endif 

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