export_smf.h

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* VCGLib                                                            o o     *
* Visual and Computer Graphics Library                            o     o   *
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* Copyright(C) 2004                                                \/)\/    *
* Visual Computing Lab                                            /\/|      *
* ISTI - Italian National Research Council                           |      *
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$Log: not supported by cvs2svn $
Revision 1.3  2006/11/21 19:23:50  e_cerisoli
Added comments for documentation

Revision 1.2  2006/11/16 11:24:44 
****************************************************************************/

#ifndef __VCGLIB_EXPORT_SMF
#define __VCGLIB_EXPORT_SMF

#include <stdio.h>

namespace vcg {
namespace tri {
namespace io {
        
        template <class SaveMeshType>
        class ExporterSMF
        {
        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;
                
                static int Save(SaveMeshType &m, const char * filename, const int &mask, CallBackPos *cb=0)
                {
                        VertexIterator vi;
                        FaceIterator fi;
                        FILE *fp;
                        fp = fopen(filename,"wb");
                        fprintf(fp,"#SMF \n" );
                        
                        std::map<VertexPointer,int> index;
                        int ind;
        
                        for(ind=1,vi=m.vert.begin(); vi!=m.vert.end(); ++vi,++ind)
                        {
                                fprintf(fp,"v " );
                                fprintf(fp,"%f%s",(*vi).P()[0]," " );
                                fprintf(fp,"%f%s",(*vi).P()[1]," " );
                                fprintf(fp,"%f%s",(*vi).P()[2],"\n");
        
                                index[&*vi] = ind;
                        }
                        for (fi=m.face.begin(); fi!=m.face.end(); ++fi)
                        {
                                fprintf(fp,"%s","f ");
                                for (int j = 0; j < 3; j++)
                                        fprintf(fp,"%i%s",index[(*fi).V(j)]," ");
                                fprintf(fp,"%s","\n");
                        }
                        fclose(fp);
                        return 0;
                }

                static const char *ErrorMsg(int error)
                {
                        static std::vector<std::string> smf_error_msg;
                        if(smf_error_msg.empty())
                        {
                                smf_error_msg.resize(2 );
                                smf_error_msg[0]="No errors";
                                smf_error_msg[1]="Can't open file";
                        }

                        if(error>1 || error<0) return "Unknown error";
                        else return smf_error_msg[error].c_str();
                }
        }; // end class
} // end Namespace tri
} // end Namespace io
} // end Namespace vcg

#endif