/****************************************************************************
* 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 1.11 2006/03/29 09:27:07 cignoni
Added managemnt of non critical errors
Revision 1.10 2006/03/29 08:16:31 corsini
Minor change in LoadMask
Revision 1.9 2006/03/27 07:17:49 cignoni
Added generic LoadMask
Revision 1.8 2006/03/07 13:19:29 cignoni
First Release with OBJ import support
Revision 1.7 2006/02/28 14:50:00 corsini
Fix comments
Revision 1.6 2006/02/10 16:14:53 corsini
Fix typo
Revision 1.5 2006/02/10 08:14:32 cignoni
Refactored import. No more duplicated code
Revision 1.4 2006/02/09 16:04:45 corsini
Expose load mask
Revision 1.3 2006/01/11 10:37:45 cignoni
Added use of Callback
Revision 1.2 2005/01/26 22:43:19 cignoni
Add std:: to stl containers
Revision 1.1 2004/11/29 08:12:10 cignoni
Initial Update
****************************************************************************/
#ifndef __VCGLIB_IMPORT
#define __VCGLIB_IMPORT
#include <wrap/io_trimesh/import_obj.h>
#include <wrap/io_trimesh/import_ply.h>
#include <wrap/io_trimesh/import_stl.h>
#include <wrap/io_trimesh/import_off.h>
#include <wrap/io_trimesh/import_vmi.h>
#include <locale>
namespace vcg {
namespace tri {
namespace io {
/**
This class encapsulate a filter for automatically importing meshes by guessing
the right filter according to the extension
*/
template <class OpenMeshType>
class Importer
{
private:
enum KnownTypes { KT_UNKNOWN, KT_PLY, KT_STL, KT_OFF, KT_OBJ, KT_VMI };
static int &LastType()
{
static int lastType= KT_UNKNOWN;
return lastType;
}
public:
// simple aux function that returns true if a given file has a given extesnion
static bool FileExtension(std::string filename, std::string extension)
{
std::locale loc1 ;
std::use_facet<std::ctype<char> > ( loc1 ).tolower(&*filename.begin(),&*filename.rbegin());
std::use_facet<std::ctype<char> > ( loc1 ).tolower(&*extension.begin(),&*extension.rbegin());
std::string end=filename.substr(filename.length()-extension.length(),extension.length());
return end==extension;
}
// Open Mesh, returns 0 on success.
static int Open(OpenMeshType &m, const char *filename, CallBackPos *cb=0)
{
int dummymask = 0;
return Open(m,filename,dummymask,cb);
}
/// Open Mesh and fills the load mask (the load mask must be initialized first); returns 0 on success.
static int Open(OpenMeshType &m, const char *filename, int &loadmask, CallBackPos *cb=0)
{
int err;
if(FileExtension(filename,"ply"))
{
err = ImporterPLY<OpenMeshType>::Open(m, filename, loadmask, cb);
LastType()=KT_PLY;
}
else if(FileExtension(filename,"stl"))
{
err = ImporterSTL<OpenMeshType>::Open(m, filename, loadmask, cb);
LastType()=KT_STL;
}
else if(FileExtension(filename,"off"))
{
err = ImporterOFF<OpenMeshType>::Open(m, filename, loadmask, cb);
LastType()=KT_OFF;
}
else if(FileExtension(filename,"obj"))
{
err = ImporterOBJ<OpenMeshType>::Open(m, filename, loadmask, cb);
LastType()=KT_OBJ;
}
else if(FileExtension(filename,"vmi"))
{
err = ImporterVMI<OpenMeshType>::Open(m, filename, loadmask, cb);
LastType()=KT_VMI;
}
else {
err=1;
LastType()=KT_UNKNOWN;
}
return err;
}
static bool ErrorCritical(int error)
{
switch(LastType())
{
case KT_PLY : return (error>0); break;
case KT_STL : return (error>0); break;
case KT_OFF : return (error>0); break;
case KT_OBJ : return ImporterOBJ<OpenMeshType>::ErrorCritical(error); break;
}
return true;
}
static const char *ErrorMsg(int error)
{
switch(LastType())
{
case KT_PLY : return ImporterPLY<OpenMeshType>::ErrorMsg(error); break;
case KT_STL : return ImporterSTL<OpenMeshType>::ErrorMsg(error); break;
case KT_OFF : return ImporterOFF<OpenMeshType>::ErrorMsg(error); break;
case KT_OBJ : return ImporterOBJ<OpenMeshType>::ErrorMsg(error); break;
case KT_VMI : return ImporterVMI<OpenMeshType>::ErrorMsg(error); break;
}
return "Unknown type";
}
static bool LoadMask(const char * filename, int &mask)
{
bool err;
if(FileExtension(filename,"ply"))
{
err = ImporterPLY<OpenMeshType>::LoadMask(filename, mask);
LastType()=KT_PLY;
}
else if(FileExtension(filename,"stl"))
{
mask = Mask::IOM_VERTCOORD | Mask::IOM_FACEINDEX;
err = true;
LastType()=KT_STL;
}
else if(FileExtension(filename,"off"))
{
mask = Mask::IOM_VERTCOORD | Mask::IOM_FACEINDEX;
err = ImporterOFF<OpenMeshType>::LoadMask(filename, mask);
LastType()=KT_OFF;
}
else if(FileExtension(filename,"obj"))
{
err = ImporterOBJ<OpenMeshType>::LoadMask(filename, mask);
LastType()=KT_OBJ;
}
else
{
err = false;
LastType()=KT_UNKNOWN;
}
return err;
}
}; // end class
} // end Namespace tri
} // end Namespace io
} // end Namespace vcg
#endif