/***************************************************************************
 *   Copyright (c) 2008 Werner Mayer <wmayer[at]users.sourceforge.net>     *
 *                                                                         *
 *   This file is part of the FreeCAD CAx development system.              *
 *                                                                         *
 *   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; see the file COPYING.LIB. If not,    *
 *   write to the Free Software Foundation, Inc., 59 Temple Place,         *
 *   Suite 330, Boston, MA  02111-1307, USA                                *
 *                                                                         *
 ***************************************************************************/

#ifndef MESHGUI_SOPOLYGON_H
#define MESHGUI_SOPOLYGON_H

#include <Inventor/fields/SoSFUInt32.h>
#include <Inventor/fields/SoSFInt32.h>
#include <Inventor/fields/SoSFBool.h>
#include <Inventor/fields/SoSubField.h>
#include <Inventor/nodes/SoSubNode.h>
#include <Inventor/nodes/SoShape.h>
#include <Inventor/elements/SoReplacedElement.h>
#ifndef MESH_GLOBAL_H
#include <Mod/Mesh/MeshGlobal.h>
#endif

namespace MeshGui {

class MeshGuiExport SoPolygon : public SoShape {
    typedef SoShape inherited;

    SO_NODE_HEADER(SoPolygon);

public:
    static void initClass();
    SoPolygon();

    SoSFInt32 startIndex;
    SoSFInt32 numVertices;
    SoSFBool  highlight;
    SoSFBool  render;

protected:
    virtual ~SoPolygon() {}
    virtual void GLRender(SoGLRenderAction *action);
    virtual void computeBBox(SoAction *action, SbBox3f &box, SbVec3f &center);
    virtual void rayPick (SoRayPickAction *action);
    virtual void generatePrimitives(SoAction *action);

private:
    void drawPolygon(const SbVec3f *,int32_t) const;
};

} // namespace MeshGui


#endif // MESHGUI_SOPOLYGON_H