vcglib/wrap/io_edgemesh/export_dxf.h

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/****************************************************************************
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* VCGLib o o *
* Visual and Computer Graphics Library o o *
* _ O _ *
* Copyright(C) 2004 \/)\/ *
* Visual Computing Lab /\/| *
* ISTI - Italian National Research Council | *
* \ *
* All rights reserved. *
* *
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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 *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program 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 General Public License (http://www.gnu.org/licenses/gpl.txt) *
* for more details. *
* *
****************************************************************************/
/****************************************************************************
History
$Log: not supported by cvs2svn $
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Revision 1.2 2004/06/10 15:15:16 ganovelli
changes to comply dxf specs
2004-06-10 17:15:16 +02:00
Revision 1.1 2004/05/27 13:24:08 ganovelli
export_dxf created
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****************************************************************************/
#ifndef __VCG_LIB_EXPORTER_DXF
#define __VCG_LIB_EXPORTER_DXF
#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.
*/
namespace vcg {
namespace edge {
namespace io {
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template <class EdgeMeshType>
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class ExporterDXF{
public:
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typedef typename EdgeMeshType::VertexPointer VertexPointer;
static bool Save( EdgeMeshType &em, const char * filename){
FILE * o = fopen(filename,"w");
if(o==NULL)
return false;
// print header
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");
vcg::edge::Pos<typename EdgeMeshType::EdgeType> et;
typename EdgeMeshType::EdgePointer ep = &*em.edges.begin(),start;
typename EdgeMeshType::EdgeIterator ei;
int i=0,maxc=0,n_=0;
for(ei = em.edges.begin(); ei != em.edges.end();++ei){(*ei).ClearS();}
for(ei = em.edges.begin(); ei != em.edges.end();++ei)
{i=1;
start = &*ei;
et.Set(&*ei,(*ei).V(0));
if(!et.e->IsS())
{// nuovo contorno: trova il bordo se c'e' e posiziona li' l'hal edge
n_++;
do{
ep = et.e;
if(et.e->EEp(et.Z()) == et.e)
break;
et.NextE();
}while (et.e != start);
fprintf(o,"0\nPOLYLINE\n10\n0\n70\n0\n8\nthelayer\n");
start = et.e;
i=0;
do{
if(i++>maxc)
maxc=i;
et.e->SetS();
ep = et.e;
OutVertex(et.e->V(et.Z()), o);
et.NextE();
}while((et.e != ep)&&(et.e !=start)&&(i<em.en));
fprintf(o,"0\nSEQEND\n");
}
}
fprintf(o,"0\nENDSEC\n0\nEOF\n");
fclose(o);
return 0;
}
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private:
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static void OutVertex(const VertexPointer & v, FILE* o){
fprintf(o,"0\nVERTEX\n100\nAcDb3dPolylineVertex\n70\n32\n");
int i;
for(i = 0 ; i < 3; ++i)
fprintf(o,"%d\n%f\n",(i+1)*10,v->P()[i]);
}
};
};//vcg
};//edge
};//io
#endif