VRS - The Virtual Rendering System

version 3.3

shapematerialgl.h

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 /**********************************************************************
 VRS - The Virtual Rendering System
 Copyright (C) 2001 Computer Graphics Systems Group at the 
 Hasso-Plattner-Institute, Potsdam, Germany.
 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 FreeSoftware 
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA, 02111-1307, USA.
 **********************************************************************/
// $Id: shapematerialgl.h 6297 2008-04-18 15:28:35Z Konstantin_Baumann $
// $Date: 2008-04-18 17:28:35 +0200 (Fri, 18 Apr 2008) $
// $Revision: 6297 $
// $State$
// $Author: Konstantin_Baumann $
//
// $Log$
// Revision 1.16  2005/06/15 16:30:02  baumann
// added methods SharedObj::isEqual() and SharedObj::IsEqual() (define operator==() in derived classes for a real implementaton)
//
// Revision 1.15  2005/01/03 01:43:09  klimetschek
// - modified win32 project layout, splitted vrs.vcproj into vrs_container, vrs_core, vrs_sg, vrs_image, vrs_opengl and vrs_io
// - removed vrs.vcproj
// minor things:
// - added all glutexamples to vrs4glut.sln
// - fixed some problems in glutexamples
// - removed all project references from all VS projects (using solution wide project dependencies instead)
//
// Revision 1.14  2004/03/17 16:19:44  kirsch
// ensure that shininess is in [0.0, 128.0]
//
// Revision 1.13  2004/03/12 16:28:40  baumann
// macros VRS_NAMESPACE_BEGIN/_END expanded and removed
//
// Revision 1.12  2004/01/19 11:43:58  baumann
// serialization mechanism improved
//
// Revision 1.11  2004/01/19 07:28:02  baumann
// serialization mechanism improved
//
// Revision 1.10  2003/11/07 14:19:25  kirsch
// removed leading underscore from include guards
//
// Revision 1.9  2002/10/29 10:32:52  baumann
// macros VRS_CLASSNAME_* and VRS_IMPL_TYPEINFO_* removed
//
// Revision 1.8  2002/03/05 14:05:02  kosta
// PolygonSet merged with IndexedPolygonSet
//
// Revision 1.7  2002/03/03 21:44:26  kosta
// VRS_TYPEINFO-macro rewritten
//
// Revision 1.6  2002/02/21 08:53:05  kirsch
// added test for transparency
//
// Revision 1.5  2002/02/19 11:05:02  kosta
// VRS_CLASSNAME() and VRS_IMPL_TYPEINFO() added
//
// Revision 1.4  2002/02/19 10:43:59  kosta
// re-added new classes since 2002-02-15
//
// Revision 1.3  2002/02/18 18:13:31  kirsch
// added perVertexColor
//

#ifndef VRS_OPENGL_SHAPEMATERIALGL_H
#define VRS_OPENGL_SHAPEMATERIALGL_H

#include <vrs/color.h>
#include <vrs/monoattribute.h>

namespace VRS {

class VRS_CORE_API ShapeMaterialGL : public MonoAttribute {
public:
    enum Side { Front = 0, Back = 1 };
    VRS_SERIALIZABLE_CLASS_ENUM(Side);

    enum MaterialComponent { Emission = 0, Ambient = 1, Diffuse = 2, AmbientAndDiffuse = 3, Specular = 4 };
    VRS_SERIALIZABLE_CLASS_ENUM(MaterialComponent);

    ShapeMaterialGL(
        const Color& perVertexColor = Color(0.5), 
        const Color& specular = Color(0.5), 
        double shininess = 115.0,
        MaterialComponent perVertexColorMapping = ShapeMaterialGL::AmbientAndDiffuse,
        const Color& ambient = Color(0.2), 
        const Color& diffuse = Color(0.5), 
        const Color& emission = Color(0.0),
        bool distinguishSides = false,
        bool enablePerVertexMaterial = true
    );
    bool operator==(const ShapeMaterialGL& other) const;

    void setPerVertexColor(const Color&, Side = ShapeMaterialGL::Front);
    Color getPerVertexColor(Side = ShapeMaterialGL::Front) const;
    void setAmbient(const Color&, Side = ShapeMaterialGL::Front);
    Color getAmbient(Side = ShapeMaterialGL::Front) const;

    void setDiffuse(const Color&, Side = ShapeMaterialGL::Front);
    Color getDiffuse(Side = ShapeMaterialGL::Front) const;

    void setSpecular(const Color&, Side = ShapeMaterialGL::Front);
    Color getSpecular(Side = ShapeMaterialGL::Front) const;

    void setShininess(double, Side = ShapeMaterialGL::Front);
    double getShininess(Side = ShapeMaterialGL::Front) const;

    void setEmission(const Color&, Side = ShapeMaterialGL::Front);
    Color getEmission(Side = ShapeMaterialGL::Front) const;

    void setVertexColorMapping(MaterialComponent, Side = ShapeMaterialGL::Front);
    MaterialComponent getVertexColorMapping(Side = ShapeMaterialGL::Front) const;
    void setDistinguishSides(bool onOff);
    bool getDistinguishSides() const;
    bool isTransparent() const;
        void enablePerVertexColoring(bool enable=true);
        bool isPerVertexColoringEnabled () const;
    VRS_TYPEINFO(ShapeMaterialGL, MonoAttribute);
    VRS_SERIALIZABLE(ShapeMaterialGL);

private:
    Color m_perVertexColor[2];

    Color m_ambient[2];
    Color m_diffuse[2];
    Color m_specular[2];
    double m_shininess[2];
    Color m_emission[2];

    MaterialComponent m_colorMapping[2];

    bool m_distinguishSides;
    bool m_enablePerVertexColoring;
};

inline Color ShapeMaterialGL::getPerVertexColor(ShapeMaterialGL::Side side) const {
    return m_perVertexColor[m_distinguishSides ? side : Front];
}

inline Color ShapeMaterialGL::getAmbient(ShapeMaterialGL::Side side) const {
    return m_ambient[m_distinguishSides ? side : Front];
}

inline Color ShapeMaterialGL::getDiffuse(ShapeMaterialGL::Side side) const {
    return m_diffuse[m_distinguishSides ? side : Front];
}

inline Color ShapeMaterialGL::getSpecular(ShapeMaterialGL::Side side) const {
    return m_specular[m_distinguishSides ? side : Front];
}

inline double ShapeMaterialGL::getShininess(ShapeMaterialGL::Side side) const {
    return m_shininess[m_distinguishSides ? side : Front];
}

inline Color ShapeMaterialGL::getEmission(ShapeMaterialGL::Side side) const {
    return m_emission[m_distinguishSides ? side : Front];
}

inline ShapeMaterialGL::MaterialComponent ShapeMaterialGL::getVertexColorMapping(ShapeMaterialGL::Side side) const {
    return m_colorMapping[m_distinguishSides ? side : Front];
}

inline bool ShapeMaterialGL::getDistinguishSides() const {
    return m_distinguishSides;
}

inline bool ShapeMaterialGL::isPerVertexColoringEnabled () const {
        return m_enablePerVertexColoring;
}


} // namespace VRS

#endif // VRS_OPENGL_SHAPEMATERIALGL_H

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