gldlist.cpp
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- /*
- * ===========================================================================
- * PRODUCTION $Log: gldlist.cpp,v $
- * PRODUCTION Revision 1000.2 2004/06/01 20:50:44 gouriano
- * PRODUCTION PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.9
- * PRODUCTION
- * ===========================================================================
- */
- /* $Id: gldlist.cpp,v 1000.2 2004/06/01 20:50:44 gouriano Exp $
- * ===========================================================================
- *
- * PUBLIC DOMAIN NOTICE
- * National Center for Biotechnology Information
- *
- * This software/database is a "United States Government Work" under the
- * terms of the United States Copyright Act. It was written as part of
- * the author's official duties as a United States Government employee and
- * thus cannot be copyrighted. This software/database is freely available
- * to the public for use. The National Library of Medicine and the U.S.
- * Government have not placed any restriction on its use or reproduction.
- *
- * Although all reasonable efforts have been taken to ensure the accuracy
- * and reliability of the software and data, the NLM and the U.S.
- * Government do not and cannot warrant the performance or results that
- * may be obtained by using this software or data. The NLM and the U.S.
- * Government disclaim all warranties, express or implied, including
- * warranties of performance, merchantability or fitness for any particular
- * purpose.
- *
- * Please cite the author in any work or product based on this material.
- *
- * ===========================================================================
- *
- * Authors: Mike DiCuccio
- *
- * File Description:
- * CGlDisplayList - manager for a single display list
- * CGlDisplayListCompile - utility class to permit scoped creation of
- * display lists.
- */
- #include <ncbi_pch.hpp>
- #include <gui/opengl/gldlist.hpp>
- BEGIN_NCBI_SCOPE
- CGlDisplayList::CGlDisplayList()
- : m_DList(0), m_IsValid(false)
- {
- }
- CGlDisplayList::~CGlDisplayList()
- {
- Delete();
- }
- void CGlDisplayList::x_Init()
- {
- if (glIsList(m_DList)) {
- glDeleteLists(m_DList, 1);
- }
- m_DList = glGenLists(1);
- }
- void CGlDisplayList::Begin(GLenum mode)
- {
- if (!glIsList(m_DList)) {
- x_Init();
- }
- glNewList(m_DList, mode);
- m_IsValid = true;
- }
- void CGlDisplayList::End()
- {
- glEndList();
- }
- void CGlDisplayList::Call() const
- {
- glCallList(m_DList);
- }
- void CGlDisplayList::Delete()
- {
- // this may fail if we don't have a valid OpenGL context made current, but
- // we have to risk it.
- if (glIsList(m_DList)) {
- glDeleteLists(m_DList, 1);
- m_DList = 0;
- }
- m_IsValid = false;
- }
- CGlDisplayListCompile::CGlDisplayListCompile(CGlDisplayList& dlist,
- GLenum mode)
- : m_DList(dlist)
- {
- m_DList.Begin(mode);
- }
- CGlDisplayListCompile::~CGlDisplayListCompile()
- {
- m_DList.End();
- }
- END_NCBI_SCOPE
- /*
- * ===========================================================================
- * $Log: gldlist.cpp,v $
- * Revision 1000.2 2004/06/01 20:50:44 gouriano
- * PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.9
- *
- * Revision 1.9 2004/05/21 22:27:45 gorelenk
- * Added PCH ncbi_pch.hpp
- *
- * Revision 1.8 2004/03/11 17:38:00 dicuccio
- * Invalid display list is 0, not -1
- *
- * Revision 1.7 2004/02/17 15:15:39 yazhuk
- * Added Delete()
- *
- * Revision 1.6 2003/09/29 15:02:13 johnson
- * isValid set to false upon construction
- *
- * Revision 1.5 2003/08/19 16:34:46 johnson
- * isvalid set to true *whenever* Begin is called
- *
- * Revision 1.4 2003/06/09 19:24:51 dicuccio
- * Changed ctor to take GLenum instead of internal typedef
- *
- * Revision 1.3 2003/01/13 13:10:11 dicuccio
- * Namespace clean-up. Retired namespace gui -> converted all to namespace ncbi.
- * Moved all FLUID-generated code into namespace ncbi.
- *
- * Revision 1.2 2002/12/06 13:59:45 dicuccio
- * Made Call() a const function.
- *
- * Revision 1.1 2002/11/22 18:06:28 dicuccio
- * Initial revision.
- *
- * ===========================================================================
- */