VRS - The Virtual Rendering System

version 3.3

stencilbitgl.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: stencilbitgl.h 6014 2007-08-09 07:51:16Z Konstantin_Baumann $
// $Date: 2007-08-09 09:51:16 +0200 (Thu, 09 Aug 2007) $
// $Revision: 6014 $
// $State$
// $Author: Konstantin_Baumann $
//
// $Log$
// 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  2004/11/03 14:45:07  saar
// Class comment changed (Doxygen style)
//
// 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  2003/07/23 17:04:49  baumann
// code cleanup (especially untabified)
//
// Revision 1.9  2002/05/16 12:52:36  kirsch
// StencilBitGL: cleaned up interface and implementation, added comments
//
// Revision 1.8  2002/02/19 10:34:19  kosta
// undone all changes since 2002-02-15
//
// Revision 1.6  2002/01/15 16:25:55  kosta
// macros rewritten for a better namespace support
//
// Revision 1.5  2001/11/13 16:36:31  kirsch
// changed line feed to unix style (removed control-M)
//
// Revision 1.4  2001/08/22 11:43:03  kirsch
// added header
//

#ifndef VRS_OPENGL_STENCILBITGL_H
#define VRS_OPENGL_STENCILBITGL_H

#include <vrs/sharedobj.h> 

namespace VRS {

class VRS_CORE_API StencilBitGL : public SharedObj {
 public: 
    enum StencilType { Free=-2, All=-1, Mirror=1, Halo=2 };
    VRS_SERIALIZABLE_CLASS_ENUM(StencilType);

    StencilBitGL(StencilType effect);
    virtual ~StencilBitGL();

    int getBit() const;
    static int getMask(StencilType effect);
    static void init();
    static void clearStencilBits(int clearMask);
    VRS_TYPEINFO(StencilBitGL, SharedObj);

private:
    void reserve(StencilType effect);
    void free(int mask=0);

    int bit_;
};

inline int StencilBitGL::getBit() const {
    return bit_;
}

} // namespace VRS

#endif // VRS_OPENGL_STENCILBITGL_H

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