/****************************************************************************
* 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. *
* *
* This program is free software; you can redistribute it and/or modify *
* 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 $
Revision 1.5 2007/03/20 16:47:49 cignoni
Update to the new texture syntax
Revision 1.4 2006/11/21 19:22:53 e_cerisoli
Added Comments for documentation
****************************************************************************/
#ifndef __VCGLIB_EXPORT_WRL
#define __VCGLIB_EXPORT_WRL
#include <stdio.h>
#include <wrap/io_trimesh/io_mask.h>
#include "io_material.h"
namespace vcg {
namespace tri {
namespace io {
template <class SaveMeshType>
/**
This class encapsulate a filter for save vrml meshes.
*/
class ExporterWRL
{
public:
typedef typename SaveMeshType::VertexPointer VertexPointer;
typedef typename SaveMeshType::ScalarType ScalarType;
typedef typename SaveMeshType::VertexType VertexType;
typedef typename SaveMeshType::FaceType FaceType;
typedef typename SaveMeshType::VertexIterator VertexIterator;
typedef typename SaveMeshType::FaceIterator FaceIterator;
///Standard call for saving a mesh
static int Save(SaveMeshType &m, const char * filename, const int &mask, CallBackPos *cb=0)
{
FILE *fp;
fp = fopen(filename,"wb");
if(fp==NULL)
return 1;
// Header
fprintf(fp,
"#VRML V2.0 utf8\n"
"\n"
"# Generated by VCGLIB, (C)Copyright 1999-2001 VCG, IEI-CNR\n"
"\n"
"NavigationInfo {\n"
" type [ \"EXAMINE\", \"ANY\" ]\n"
"}\n"
);
// Tranche principale
double ss = 8.0/m.bbox.Diag();
fprintf(fp,
"Transform {\n"
" scale %g %g %g\n"
" translation %g %g %g\n"
" children\n"
" [\n"
,1.0,1.0,1.0,
0.0,0.0,0.0);
// ,ss,ss,ss
// , -m.bbox.Center()[0]*ss, -m.bbox.Center()[1]*ss,-3-m.bbox.Center()[2]*ss );
// Start Shape
fprintf(fp,
" Shape\n"
" {\n"
" geometry IndexedFaceSet\n"
" {\n"
" creaseAngle .5\n"
" solid FALSE\n"
" coord Coordinate\n"
" {\n"
" point\n"
" ["
);
FaceIterator fi;
VertexIterator vi;
std::map<VertexPointer,int> index;
int ind;
// Vertici
for(ind=0,vi=m.vert.begin(); vi!=m.vert.end(); ++vi, ++ind)
{
if(ind%4==0)
fprintf(fp,
"\n "
);
fprintf(fp,
"%g %g %g, "
,(*vi).P()[0]
,(*vi).P()[1]
,(*vi).P()[2]
);
index[&*vi] = ind;
}
fprintf(fp,"\n"
" ]\n"
" }\n"
);
if( m.HasPerVertexColor() && (mask & vcg::tri::io::Mask::IOM_VERTCOLOR))
{
fprintf(fp,
" color Color\n"
" {\n"
" color\n"
" ["
);
for(ind=0,vi=m.vert.begin();vi!=m.vert.end();++vi,++ind)
{
float r = float(vi->C()[0])/255;
float g = float(vi->C()[1])/255;
float b = float(vi->C()[2])/255;
if(ind%4==0)
fprintf(fp,"\n ");
fprintf(fp,"%g %g %g,",r,g,b);
}
fprintf(fp,
"\n"
" ]\n"
" }\n"
" colorIndex\n"
" ["
);
for(ind=0,fi=m.face.begin(); fi!=m.face.end(); ++fi,++ind)
{
if(ind%4==0)
fprintf(fp,"\n ");
for (int j = 0; j < 3; j++)
fprintf(fp,"%i,",index[(*fi).V(j)]);
fprintf(fp,"-1,");
}
fprintf(fp,
"\n"
" ]\n"
);
}
else if( m.HasPerWedgeColor() && (mask & vcg::tri::io::Mask::IOM_WEDGCOLOR ))
{
fprintf(fp,
" color Color\n"
" {\n"
" color\n"
" [" );
for(ind=0,fi=m.face.begin();fi!=m.face.end();++fi,++ind)
{
for(int z=0;z<3;++z)
{
float r = float(fi->WC(z)[0])/255;
float g = float(fi->WC(z)[1])/255;
float b = float(fi->WC(z)[2])/255;
if(ind%4==0)
fprintf(fp,"\n ");
fprintf(fp,"%g %g %g,",r,g,b);
}
}
fprintf(fp,
"\n"
" ]\n"
" }\n"
" colorIndex\n"
" [" );
int nn = 0;
for(ind=0,fi=m.face.begin(); fi!=m.face.end(); ++fi,++ind)
{
if(ind%4==0)
fprintf(fp,"\n ");
for (int j = 0; j < 3; j++)
{
fprintf(fp,"%i,",nn);
++nn;
}
fprintf(fp,"-1,");
}
fprintf(fp,
"\n"
" ]\n"
);
}
else if (HasPerWedgeTexCoord(m) &&(mask & vcg::tri::io::Mask::IOM_WEDGTEXCOORD))
{
fprintf(fp,
"\n"
" texCoord TextureCoordinate\n"
" {\n"
" point\n"
" [\n"
);
for(ind=0,fi=m.face.begin(); fi!=m.face.end(); ++fi,++ind)
{
if(ind%4==0)
fprintf(fp,"\n ");
for (int j = 0; j < 3; j++)
{
fprintf(fp,"%g %g, ",fi->WT(j).u(),fi->WT(j).v());
}
}
fprintf(fp,
"\n"
" ]\n"
" }\n"
" texCoordIndex\n"
" [\n"
);
int nn = 0;
for(ind=0,fi=m.face.begin(); fi!=m.face.end(); ++fi,++ind)
{
if(ind%4==0)
fprintf(fp,"\n ");
for (int j = 0; j < 3; j++)
{
fprintf(fp,"%d,",nn);
++nn;
}
fprintf(fp,"-1,");
}
fprintf(fp,
"\n"
" ]\n"
);
}
fprintf(fp,
" coordIndex\n"
" ["
);
// Facce
for(ind=0,fi=m.face.begin(); fi!=m.face.end(); ++fi,++ind)
{
if(ind%6==0)
{
fprintf(fp,"\n ");
}
for (int j = 0; j < 3; j++)
fprintf(fp,"%i,",index[(*fi).V(j)]);
fprintf(fp,"-1,");
}
fprintf(fp,
"\n"
" ]\n"
" }\n"
" appearance Appearance\n"
" {\n"
" material Material\n"
" {\n"
" ambientIntensity 0.2\n"
" diffuseColor 0.9 0.9 0.9\n"
" specularColor .1 .1 .1\n"
" shininess .5\n"
" }\n"
);
if(m.textures.size())
{
fprintf(fp,
" texture ImageTexture { url \" %s \" }\n"
,m.textures[0].c_str()
);
}
fprintf(fp,
" }\n"
" }\n"
" ]\n"
"}\n"
);
fclose(fp);
return 0;
}
///Returns mask of capability one define with what are the saveable information of the format.
static int GetExportMaskCapability()
{
int capability = 0;
//vert
capability |= MeshModel::IOM_VERTCOLOR;
//wedg
capability |= MeshModel::IOM_WEDGTEXCOORD;
capability |= MeshModel::IOM_WEDGCOLOR;
return capability;
}
/// Standard call for knowing the meaning of an error code
static const char *ErrorMsg(int error)
{
static std::vector<std::string> wrl_error_msg;
if(wrl_error_msg.empty())
{
wrl_error_msg.resize(2 );
wrl_error_msg[0]="No errors";
wrl_error_msg[1]="Can't open file";
}
if(error>1 || error<0) return "Unknown error";
else return wrl_error_msg[error].c_str();
}
}; // end class
} // end Namespace io
} // end Namespace tri
} // end Namespace vcg
#endif