117 lines
4.5 KiB
C++
117 lines
4.5 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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Revision 1.2 2004/06/10 15:15:16 ganovelli
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changes to comply dxf specs
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Revision 1.1 2004/05/27 13:24:08 ganovelli
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export_dxf created
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****************************************************************************/
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#ifndef __VCG_LIB_EXPORTER_DXF
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#define __VCG_LIB_EXPORTER_DXF
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#include <stdio.h>
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/**
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This class encapsulate a filter for saving edge meshes ad polyline in DXF format.
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*/
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namespace vcg {
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namespace edge {
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namespace io {
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template <class EdgeMeshType>
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class ExporterDXF{
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public:
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typedef typename EdgeMeshType::VertexPointer VertexPointer;
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static bool Save( EdgeMeshType &em, const char * filename){
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FILE * o = fopen(filename,"w");
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if(o==NULL)
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return false;
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// print header
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fprintf(o,"999\nVCGLibraryDXF\n0\nSECTION\n2\nTABLES\n0\nTABLE\n2\nLAYER\n70\n153\n0\nLAYER\n2\nthelayer\n70\n0\n62\n15\n0\nENDTAB\n0\nENDSEC\n0\nSECTION\n2\nENTITIES\n");
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vcg::edge::Pos<typename EdgeMeshType::EdgeType> et;
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typename EdgeMeshType::EdgePointer ep = &*em.edges.begin(),start;
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typename EdgeMeshType::EdgeIterator ei;
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int i=0,maxc=0,n_=0;
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for(ei = em.edges.begin(); ei != em.edges.end();++ei){(*ei).ClearS();}
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for(ei = em.edges.begin(); ei != em.edges.end();++ei)
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{i=1;
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start = &*ei;
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et.Set(&*ei,(*ei).V(0));
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if(!et.e->IsS())
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{// nuovo contorno: trova il bordo se c'e' e posiziona li' l'hal edge
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n_++;
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do{
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ep = et.e;
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if(et.e->EEp(et.Z()) == et.e)
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break;
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et.NextE();
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}while (et.e != start);
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fprintf(o,"0\nPOLYLINE\n10\n0\n70\n0\n8\nthelayer\n");
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start = et.e;
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i=0;
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do{
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if(i++>maxc)
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maxc=i;
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et.e->SetS();
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ep = et.e;
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OutVertex(et.e->V(et.Z()), o);
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et.NextE();
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}while((et.e != ep)&&(et.e !=start)&&(i<em.en));
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fprintf(o,"0\nSEQEND\n");
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}
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}
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fprintf(o,"0\nENDSEC\n0\nEOF\n");
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fclose(o);
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return 0;
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}
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private:
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static void OutVertex(const VertexPointer & v, FILE* o){
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fprintf(o,"0\nVERTEX\n100\nAcDb3dPolylineVertex\n70\n32\n");
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int i;
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for(i = 0 ; i < 3; ++i)
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fprintf(o,"%d\n%f\n",(i+1)*10,v->P()[i]);
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}
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};
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};//vcg
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};//edge
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};//io
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#endif
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