156 lines
5.2 KiB
C++
156 lines
5.2 KiB
C++
/****************************************************************************
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* VCGLib o o *
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* Visual and Computer Graphics Library o o *
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* _ O _ *
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* Copyright(C) 2004 \/)\/ *
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* Visual Computing Lab /\/| *
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* ISTI - Italian National Research Council | *
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* \ *
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* All rights reserved. *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License (http://www.gnu.org/licenses/gpl.txt) *
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* for more details. *
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* *
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****************************************************************************/
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/****************************************************************************
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History
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$Log: not supported by cvs2svn $
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****************************************************************************/
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#ifndef __VCGLIB_EXPORT_DXF
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#define __VCGLIB_EXPORT_DXF
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namespace vcg {
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namespace tri {
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namespace io {
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template <class SaveMeshType>
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/**
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This class encapsulate a filter for save dxf meshes.
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*/
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class ExporterDXF
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{
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typedef typename SaveMeshType::CoordType CoordType;
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public:
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///Standard call for saving a mesh
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static int Save(SaveMeshType &m, const char * filename)
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{
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if(m.fn==0 && m.en != 0) return SaveEdge(m,filename);
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FILE * o = fopen(filename,"w");
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if(o==NULL) return 1;
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fprintf(o,"0\n");
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fprintf(o,"SECTION\n");
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fprintf(o,"2\n");
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fprintf(o,"ENTITIES\n");
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typename SaveMeshType::FaceIterator fi;
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for(fi=m.face.begin(); fi!=m.face.end(); ++fi)
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{
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if (!fi->IsD())
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{
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typename SaveMeshType::CoordType v0 = (*fi).V(0)->P();
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typename SaveMeshType::CoordType v1 = (*fi).V(1)->P();
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typename SaveMeshType::CoordType v2 = (*fi).V(2)->P();
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fprintf(o,"0\n"); fprintf(o,"3DFACE\n"); fprintf(o,"8\n"); fprintf(o,"0\n");
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fprintf(o,"10\n"); fprintf(o,"%f\n", v0[0]); //X
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fprintf(o,"20\n"); fprintf(o,"%f\n", v0[1]); //Y
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fprintf(o,"30\n"); fprintf(o,"%f\n", v0[2]); //Z
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fprintf(o,"11\n"); fprintf(o,"%f\n", v1[0]); //X
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fprintf(o,"21\n"); fprintf(o,"%f\n", v1[1]); //Y
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fprintf(o,"31\n"); fprintf(o,"%f\n", v1[2]); //Z
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fprintf(o,"12\n"); fprintf(o,"%f\n", v2[0]); //X
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fprintf(o,"22\n"); fprintf(o,"%f\n", v2[1]); //Y
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fprintf(o,"32\n"); fprintf(o,"%f\n", v2[2]); //Z
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fprintf(o,"13\n"); fprintf(o,"%f\n", v2[0]); //X
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fprintf(o,"23\n"); fprintf(o,"%f\n", v2[1]); //Y
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fprintf(o,"33\n"); fprintf(o,"%f\n", v2[2]); //Z
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}
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}
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fprintf(o,"0\n");
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fprintf(o,"ENDSEC\n");
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fprintf(o,"0\n");
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fprintf(o,"EOF\n");
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fclose(o);
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return 0;
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}
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/// Standard call for knowing the meaning of an error code
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static const char *ErrorMsg(int error)
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{
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static std::vector<std::string> dxf_error_msg;
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if(dxf_error_msg.empty())
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{
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dxf_error_msg.resize(2 );
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dxf_error_msg[0]="No errors";
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dxf_error_msg[1]="Can't open file";
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}
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if(error>1 || error<0) return "Unknown error";
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else return dxf_error_msg[error].c_str();
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}
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static bool SaveEdge(SaveMeshType &mp, const char * filename)
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{
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FILE * o = fopen(filename,"w");
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if(o==NULL) return 1;
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fprintf(o,"0\n");
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fprintf(o,"SECTION\n");
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fprintf(o,"2\n");
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fprintf(o,"ENTITIES\n");
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typename SaveMeshType::EdgeIterator ei;
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for(ei=mp.edge.begin(); ei!=mp.edge.end();++ei)
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{
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CoordType p1 = (*ei).V(0)->P();
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CoordType p2 = (*ei).V(1)->P();
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fprintf(o,"0\n");
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fprintf(o,"LINE\n");
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fprintf(o,"8\n");
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fprintf(o,"0\n");
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fprintf(o,"10\n");
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fprintf(o,"%f\n", p1[0]); //X
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fprintf(o,"20\n");
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fprintf(o,"%f\n", p1[1]); //Y
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fprintf(o,"30\n");
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fprintf(o,"%f\n", p1[2]); //Z
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fprintf(o,"11\n");
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fprintf(o,"%f\n", p2[0]); //X
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fprintf(o,"21\n");
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fprintf(o,"%f\n", p2[1]); //Y
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fprintf(o,"31\n");
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fprintf(o,"%f\n", p2[2]); //Z
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}
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fprintf(o,"0\n");
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fprintf(o,"ENDSEC\n");
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fprintf(o,"0\n");
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fprintf(o,"EOF\n");
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fclose(o);
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return true;
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}
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}; // end class
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} // end Namespace io
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} // end Namespace tri
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} // end Namespace vcg
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#endif
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