336 lines
9.2 KiB
C++
336 lines
9.2 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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Revision 1.4 2006/11/21 19:22:53 e_cerisoli
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Added Comments for documentation
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****************************************************************************/
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#ifndef __VCGLIB_EXPORT_WRL
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#define __VCGLIB_EXPORT_WRL
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#include <stdio.h>
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#include <wrap/io_trimesh/io_mask.h>
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#include "io_material.h"
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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 vrml meshes.
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*/
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class ExporterWRL
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{
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public:
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typedef typename SaveMeshType::VertexPointer VertexPointer;
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typedef typename SaveMeshType::ScalarType ScalarType;
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typedef typename SaveMeshType::VertexType VertexType;
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typedef typename SaveMeshType::FaceType FaceType;
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typedef typename SaveMeshType::VertexIterator VertexIterator;
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typedef typename SaveMeshType::FaceIterator FaceIterator;
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///Standard call for saving a mesh
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static int Save(SaveMeshType &m, const char * filename, const int &mask, CallBackPos *cb=0)
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{
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FILE *fp;
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fp = fopen(filename,"wb");
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if(fp==NULL)
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return 1;
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// Header
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fprintf(fp,
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"#VRML V2.0 utf8\n"
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"\n"
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"# Generated by VCGLIB, (C)Copyright 1999-2001 VCG, IEI-CNR\n"
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"\n"
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"NavigationInfo {\n"
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" type [ \"EXAMINE\", \"ANY\" ]\n"
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"}\n"
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);
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// Tranche principale
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double ss = 8.0/m.bbox.Diag();
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m.bbox.Diag();
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fprintf(fp,
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"Transform {\n"
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" scale %g %g %g\n"
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" translation %g %g %g\n"
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" children\n"
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" [\n"
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,ss
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,ss
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,ss
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, -m.bbox.Center()[0]*ss
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, -m.bbox.Center()[1]*ss
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,-3-m.bbox.Center()[2]*ss
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);
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// Start Shape
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fprintf(fp,
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" Shape\n"
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" {\n"
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" geometry IndexedFaceSet\n"
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" {\n"
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" creaseAngle .5\n"
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" solid FALSE\n"
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" coord Coordinate\n"
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" {\n"
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" point\n"
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" ["
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);
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FaceIterator fi;
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VertexIterator vi;
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std::map<VertexPointer,int> index;
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int ind;
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// Vertici
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for(ind=0,vi=m.vert.begin(); vi!=m.vert.end(); ++vi, ++ind)
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{
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if(ind%4==0)
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fprintf(fp,
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"\n "
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);
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fprintf(fp,
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"%g %g %g, "
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,(*vi).P()[0]
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,(*vi).P()[1]
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,(*vi).P()[2]
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);
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index[&*vi] = ind;
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}
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fprintf(fp,"\n"
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" ]\n"
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" }\n"
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);
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if( m.HasPerVertexColor() && (mask & vcg::tri::io::Mask::IOM_VERTCOLOR))
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{
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fprintf(fp,
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" color Color\n"
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" {\n"
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" color\n"
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" ["
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);
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for(ind=0,vi=m.vert.begin();vi!=m.vert.end();++vi,++ind)
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{
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float r = float(vi->C()[0])/255;
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float g = float(vi->C()[1])/255;
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float b = float(vi->C()[2])/255;
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if(ind%4==0)
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fprintf(fp,"\n ");
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fprintf(fp,"%g %g %g,",r,g,b);
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}
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fprintf(fp,
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"\n"
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" ]\n"
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" }\n"
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" colorIndex\n"
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" ["
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);
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for(ind=0,fi=m.face.begin(); fi!=m.face.end(); ++fi,++ind)
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{
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if(ind%4==0)
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fprintf(fp,"\n ");
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for (int j = 0; j < 3; j++)
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fprintf(fp,"%i,",index[(*fi).V(j)]);
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fprintf(fp,"-1,");
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}
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fprintf(fp,
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"\n"
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" ]\n"
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);
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}
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else if( m.HasPerWedgeColor() && (mask & vcg::tri::io::Mask::IOM_WEDGCOLOR ))
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{
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fprintf(fp,
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" color Color\n"
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" {\n"
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" color\n"
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" [" );
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for(ind=0,fi=m.face.begin();fi!=m.face.end();++fi,++ind)
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{
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for(int z=0;z<3;++z)
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{
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float r = float(fi->WC(z)[0])/255;
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float g = float(fi->WC(z)[1])/255;
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float b = float(fi->WC(z)[2])/255;
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if(ind%4==0)
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fprintf(fp,"\n ");
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fprintf(fp,"%g %g %g,",r,g,b);
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}
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}
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fprintf(fp,
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"\n"
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" ]\n"
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" }\n"
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" colorIndex\n"
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" [" );
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int nn = 0;
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for(ind=0,fi=m.face.begin(); fi!=m.face.end(); ++fi,++ind)
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{
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if(ind%4==0)
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fprintf(fp,"\n ");
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for (int j = 0; j < 3; j++)
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{
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fprintf(fp,"%i,",nn);
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++nn;
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}
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fprintf(fp,"-1,");
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}
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fprintf(fp,
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"\n"
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" ]\n"
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);
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}
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else if (HasPerWedgeTexCoord(m) &&(mask & vcg::tri::io::Mask::IOM_WEDGTEXCOORD))
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{
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fprintf(fp,
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"\n"
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" texCoord TextureCoordinate\n"
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" {\n"
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" point\n"
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" [\n"
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);
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for(ind=0,fi=m.face.begin(); fi!=m.face.end(); ++fi,++ind)
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{
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if(ind%4==0)
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fprintf(fp,"\n ");
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for (int j = 0; j < 3; j++)
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{
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fprintf(fp,"%g %g, ",fi->WT(j).u(),fi->WT(j).v());
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}
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}
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fprintf(fp,
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"\n"
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" ]\n"
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" }\n"
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" texCoordIndex\n"
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" [\n"
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);
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int nn = 0;
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for(ind=0,fi=m.face.begin(); fi!=m.face.end(); ++fi,++ind)
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{
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if(ind%4==0)
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fprintf(fp,"\n ");
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for (int j = 0; j < 3; j++)
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{
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fprintf(fp,"%d,",nn);
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++nn;
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}
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fprintf(fp,"-1,");
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}
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fprintf(fp,
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"\n"
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" ]\n"
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);
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}
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fprintf(fp,
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" coordIndex\n"
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" ["
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);
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// Facce
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for(ind=0,fi=m.face.begin(); fi!=m.face.end(); ++fi,++ind)
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{
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if(ind%6==0)
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{
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fprintf(fp,"\n ");
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}
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for (int j = 0; j < 3; j++)
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fprintf(fp,"%i,",index[(*fi).V(j)]);
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fprintf(fp,"-1,");
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}
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fprintf(fp,
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"\n"
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" ]\n"
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" }\n"
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" appearance Appearance\n"
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" {\n"
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" material Material\n"
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" {\n"
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" ambientIntensity 0.2\n"
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" diffuseColor 0.9 0.9 0.9\n"
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" specularColor .1 .1 .1\n"
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" shininess .5\n"
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" }\n"
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);
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if(m.textures.size())
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{
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fprintf(fp,
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" texture ImageTexture { url \" %s \" }\n"
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,m.textures[0].c_str()
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);
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}
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fprintf(fp,
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" }\n"
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" }\n"
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" ]\n"
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"}\n"
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);
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fclose(fp);
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return 0;
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}
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///Returns mask of capability one define with what are the saveable information of the format.
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static int GetExportMaskCapability()
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{
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int capability = 0;
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//vert
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capability |= MeshModel::IOM_VERTCOLOR;
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//wedg
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capability |= MeshModel::IOM_WEDGTEXCOORD;
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capability |= MeshModel::IOM_WEDGCOLOR;
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return capability;
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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> wrl_error_msg;
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if(wrl_error_msg.empty())
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{
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wrl_error_msg.resize(2 );
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wrl_error_msg[0]="No errors";
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wrl_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 wrl_error_msg[error].c_str();
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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 |