134 lines
4.3 KiB
C++
134 lines
4.3 KiB
C++
/****************************************************************************
|
|
* 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 $
|
|
****************************************************************************/
|
|
|
|
#ifndef __VCGLIB_IMPORTER_SMF
|
|
#define __VCGLIB_IMPORTER_SMF
|
|
|
|
#include <stdio.h>
|
|
#include <vcg/space/point3.h>
|
|
|
|
namespace vcg {
|
|
namespace tri {
|
|
namespace io {
|
|
template<class OpenMeshType>
|
|
/**
|
|
This class encapsulate a filter for opening smf meshes.
|
|
*/
|
|
class ImporterSMF
|
|
{
|
|
public:
|
|
typedef typename OpenMeshType::VertexPointer VertexPointer;
|
|
typedef typename OpenMeshType::ScalarType ScalarType;
|
|
typedef typename OpenMeshType::VertexType VertexType;
|
|
typedef typename OpenMeshType::FaceType FaceType;
|
|
typedef typename OpenMeshType::VertexIterator VertexIterator;
|
|
typedef typename OpenMeshType::FaceIterator FaceIterator;
|
|
|
|
// if it is binary there are 80 char of comment, the number fn of faces and then exactly fn*4*3 bytes.
|
|
enum {SMF_LABEL_SIZE=80};
|
|
|
|
class SMFFacet
|
|
{
|
|
public:
|
|
vcg::Point3f n;
|
|
vcg::Point3f v[3];
|
|
};
|
|
|
|
enum SMFError {
|
|
E_NOERROR, // 0
|
|
// Errori di open
|
|
E_CANTOPEN, // 1
|
|
E_UNESPECTEDEOF // 2
|
|
};
|
|
|
|
/// Standard call for knowing the meaning of an error code
|
|
static const char *ErrorMsg(int error)
|
|
{
|
|
static const char * smf_error_msg[] =
|
|
{
|
|
"No errors",
|
|
"Can't open file",
|
|
"Premature End of file",
|
|
};
|
|
if(error>2 || error<0) return "Unknown error";
|
|
else return smf_error_msg[error];
|
|
};
|
|
///Standard call for reading a mesh
|
|
static int Open(OpenMeshType &m, const char * filename )
|
|
{
|
|
VertexType v;
|
|
FaceType f;
|
|
FILE *fp;
|
|
float x,y,z;
|
|
bool one = true;
|
|
std::map<int,VertexPointer> mv;
|
|
fp = fopen(filename,"r");
|
|
if(!fp) return -1;
|
|
char buf[1024];
|
|
while( fgets(buf,1024,fp) )
|
|
{
|
|
char *vf, *comm_pt;
|
|
if((comm_pt = strstr(buf,"#")) != NULL)
|
|
*comm_pt = '\0';
|
|
if( (vf = strstr(buf,"v")) != NULL )
|
|
{
|
|
sscanf(vf+1,"%f %f %f", &x, &y, &z);
|
|
v.P()[0] = x;
|
|
v.P()[1] = y;
|
|
v.P()[2] = z;
|
|
m.vert.push_back(v);
|
|
}
|
|
else if( (vf = strstr(buf,"f")) != NULL)
|
|
{
|
|
if(one)
|
|
{
|
|
VertexIterator vi;
|
|
int ind;
|
|
for(ind=1,vi=m.vert.begin(); vi!=m.vert.end(); ++vi,++ind)
|
|
mv[ind]=&*vi;
|
|
one = false;
|
|
}
|
|
int v1,v2,v3;
|
|
sscanf(vf+1,"%d %d %d", &v1, &v2, &v3);
|
|
f.V(0) = mv[v1];
|
|
f.V(1) = mv[v2];
|
|
f.V(2) = mv[v3];
|
|
m.face.push_back(f);
|
|
}
|
|
}
|
|
m.vn = m.vert.size();
|
|
m.fn = m.face.size();
|
|
return 0;
|
|
}
|
|
};
|
|
}// end of io
|
|
}// end of tri
|
|
}// end of vcg
|
|
|
|
#endif
|
|
|