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133 lines
4.3 KiB
133 lines
4.3 KiB
/**************************************************************************** |
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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) 2004-2016 \/)\/ * |
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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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****************************************************************************/ |
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#ifndef __VCGLIB_IMPORTER_SMF |
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#define __VCGLIB_IMPORTER_SMF |
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#include <stdio.h> |
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#include <vcg/space/point3.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 OpenMeshType> |
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/** |
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This class encapsulate a filter for opening smf meshes. |
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*/ |
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class ImporterSMF |
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{ |
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public: |
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typedef typename OpenMeshType::VertexPointer VertexPointer; |
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typedef typename OpenMeshType::ScalarType ScalarType; |
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typedef typename OpenMeshType::VertexType VertexType; |
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typedef typename OpenMeshType::FaceType FaceType; |
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typedef typename OpenMeshType::VertexIterator VertexIterator; |
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typedef typename OpenMeshType::FaceIterator FaceIterator; |
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// if it is binary there are 80 char of comment, the number fn of faces and then exactly fn*4*3 bytes. |
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enum {SMF_LABEL_SIZE=80}; |
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class SMFFacet |
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{ |
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public: |
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vcg::Point3f n; |
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vcg::Point3f v[3]; |
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}; |
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enum SMFError { |
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E_NOERROR, // 0 |
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// Errori di open |
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E_CANTOPEN, // 1 |
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E_UNESPECTEDEOF // 2 |
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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 const char * smf_error_msg[] = |
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{ |
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"No errors", |
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"Can't open file", |
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"Premature End of file", |
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}; |
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if(error>2 || error<0) return "Unknown error"; |
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else return smf_error_msg[error]; |
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}; |
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///Standard call for reading a mesh |
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static int Open(OpenMeshType &m, const char * filename ) |
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{ |
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VertexType v; |
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FaceType f; |
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FILE *fp; |
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float x,y,z; |
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bool one = true; |
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std::map<int,VertexPointer> mv; |
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fp = fopen(filename,"r"); |
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if(!fp) return -1; |
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char buf[1024]; |
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while( fgets(buf,1024,fp) ) |
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{ |
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char *vf, *comm_pt; |
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if((comm_pt = strstr(buf,"#")) != NULL) |
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*comm_pt = '\0'; |
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if( (vf = strstr(buf,"v")) != NULL ) |
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{ |
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sscanf(vf+1,"%f %f %f", &x, &y, &z); |
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v.P()[0] = x; |
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v.P()[1] = y; |
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v.P()[2] = z; |
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m.vert.push_back(v); |
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} |
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else if( (vf = strstr(buf,"f")) != NULL) |
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{ |
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if(one) |
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{ |
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VertexIterator vi; |
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int ind; |
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for(ind=1,vi=m.vert.begin(); vi!=m.vert.end(); ++vi,++ind) |
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mv[ind]=&*vi; |
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one = false; |
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} |
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int v1,v2,v3; |
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sscanf(vf+1,"%d %d %d", &v1, &v2, &v3); |
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f.V(0) = mv[v1]; |
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f.V(1) = mv[v2]; |
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f.V(2) = mv[v3]; |
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m.face.push_back(f); |
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} |
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} |
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m.vn = m.vert.size(); |
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m.fn = m.face.size(); |
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return 0; |
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} |
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}; |
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}// end of io |
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}// end of tri |
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}// end of vcg |
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#endif |
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