00001 00003 00004 // 00005 // Copyright (c) 2002-2004 California Institute of Technology 00006 // Copyright (c) 2004-2007 University of Southern California 00007 // Rob Peters <rjpeters at usc dot edu> 00008 // 00009 // created: Thu Nov 14 16:59:04 2002 00010 // commit: $Id: gxemptynode.h 10065 2007-04-12 05:54:56Z rjpeters $ 00011 // $HeadURL: file:///lab/rjpeters/svnrepo/code/trunk/groovx/src/gfx/gxemptynode.h $ 00012 // 00013 // -------------------------------------------------------------------- 00014 // 00015 // This file is part of GroovX. 00016 // [http://ilab.usc.edu/rjpeters/groovx/] 00017 // 00018 // GroovX is free software; you can redistribute it and/or modify it 00019 // under the terms of the GNU General Public License as published by 00020 // the Free Software Foundation; either version 2 of the License, or 00021 // (at your option) any later version. 00022 // 00023 // GroovX is distributed in the hope that it will be useful, but 00024 // WITHOUT ANY WARRANTY; without even the implied warranty of 00025 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00026 // General Public License for more details. 00027 // 00028 // You should have received a copy of the GNU General Public License 00029 // along with GroovX; if not, write to the Free Software Foundation, 00030 // Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. 00031 // 00033 00034 #ifndef GROOVX_GFX_GXEMPTYNODE_H_UTC20050626084023_DEFINED 00035 #define GROOVX_GFX_GXEMPTYNODE_H_UTC20050626084023_DEFINED 00036 00037 #include "gfx/gxnode.h" 00038 00039 // ####################################################### 00040 // ======================================================= 00041 00043 00044 class GxEmptyNode : public GxNode 00045 { 00046 private: 00047 GxEmptyNode(); 00048 public: 00049 virtual ~GxEmptyNode() throw(); 00050 00051 virtual void read_from(io::reader&); 00052 virtual void write_to(io::writer&) const; 00053 00054 virtual void getBoundingCube(Gfx::Bbox&) const; 00055 00056 virtual void draw(Gfx::Canvas&) const; 00057 00059 static GxEmptyNode* make(); 00060 }; 00061 00062 static const char __attribute__((used)) vcid_groovx_gfx_gxemptynode_h_utc20050626084023[] = "$Id: gxemptynode.h 10065 2007-04-12 05:54:56Z rjpeters $ $HeadURL: file: 00063 #endif // !GROOVX_GFX_GXEMPTYNODE_H_UTC20050626084023_DEFINED