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194 lines
6.7 KiB
194 lines
6.7 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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Revision 1.8 2006/09/18 08:55:33 cignoni |
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Corrected return value of save function (zero is no error) |
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Revision 1.7 2006/01/30 13:43:59 cignoni |
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Added GetExportMaskCapability |
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Revision 1.6 2006/01/13 15:47:43 cignoni |
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Uniformed return type to the style of Open. Now every export function returns 0 in case of success. |
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Revision 1.5 2005/12/01 00:58:56 cignoni |
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Added and removed typenames for gcc compiling... |
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Revision 1.4 2004/10/28 00:52:45 cignoni |
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Better Doxygen documentation |
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Revision 1.3 2004/03/09 21:26:47 cignoni |
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cr lf mismatch |
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Revision 1.2 2004/03/03 15:35:53 cignoni |
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Yet another cr lf mismatch |
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Revision 1.3 2004/02/19 15:28:01 ponchio |
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*** empty log message *** |
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Revision 1.2 2004/02/13 02:18:57 cignoni |
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Edited Comments and GPL license |
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****************************************************************************/ |
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#ifndef __VCGLIB_EXPORT_STL |
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#define __VCGLIB_EXPORT_STL |
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#include <stdio.h> |
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namespace vcg { |
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namespace tri { |
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namespace io { |
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/** |
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This class encapsulate a filter for opening stl (sterolitograpy) meshes. |
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The stl format is quite simple and rather un-flexible. It just stores, in ascii or binary the, unindexed, geometry of the faces. |
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*/ |
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template <class SaveMeshType> |
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class ExporterSTL |
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{ |
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public: |
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typedef typename SaveMeshType::FaceType FaceType; |
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typedef unsigned short CallBackSTLFaceAttribute(const SaveMeshType &m, const FaceType &f); |
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static int Save(const SaveMeshType &m, const char * filename, const int &mask, CallBackPos *) |
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{ |
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return Save(m,filename,true,mask); |
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} |
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static int Save(const SaveMeshType &m, const char * filename , bool binary =true, int mask=0, const char *objectname=0, bool magicsMode=0) |
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{ |
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typedef typename SaveMeshType::ConstFaceIterator FaceIterator; |
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FILE *fp; |
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fp = fopen(filename,"wb"); |
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if(fp==0) |
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return 1; |
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if(binary) |
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{ |
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// Write Header |
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char header[128]="VCG "; |
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if(objectname) strncpy(header,objectname,80); |
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if(magicsMode) |
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{ |
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strncpy(header,"COLOR=XXX MATERIAL=AAA BBB CCC ",80); |
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for(int i=0;i<3;++i) |
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{ |
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header[0x06+i]=0x7f; |
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header[0x13+i]=0x7f; |
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header[0x17+i]=0x7f; |
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header[0x1b+i]=0x7f; |
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} |
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} |
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fwrite(header,80,1,fp); |
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// write number of facets |
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fwrite(&m.fn,1,sizeof(int),fp); |
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Point3f p; |
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unsigned short attributes=0; |
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for(FaceIterator fi=m.face.begin(); fi!=m.face.end(); ++fi) if( !(*fi).IsD() ) |
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{ |
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// For each triangle write the normal, the three coords and a short set to zero |
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p.Import(vcg::TriangleNormal(*fi).Normalize()); |
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fwrite(p.V(),3,sizeof(float),fp); |
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for(int k=0;k<3;++k){ |
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p.Import((*fi).V(k)->P()); |
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fwrite(p.V(),3,sizeof(float),fp); |
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} |
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if ((mask & Mask::IOM_FACECOLOR) && tri::HasPerFaceColor(m)) |
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{ |
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if(magicsMode) attributes = 32768 | vcg::Color4b::ToUnsignedR5G5B5(fi->C()); |
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else attributes = 32768 | vcg::Color4b::ToUnsignedB5G5R5(fi->C()); |
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} |
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fwrite(&attributes,1,sizeof(short),fp); |
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} |
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} |
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else |
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{ |
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if(objectname) fprintf(fp,"solid %s\n",objectname); |
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else fprintf(fp,"solid vcg\n"); |
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Point3f p; |
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FaceIterator fi; |
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for(fi=m.face.begin(); fi!=m.face.end(); ++fi) if( !(*fi).IsD() ) |
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{ |
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// For each triangle write the normal, the three coords and a short set to zero |
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p.Import(TriangleNormal(*fi).Normalize()); |
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fprintf(fp," facet normal %13e %13e %13e\n",p[0],p[1],p[2]); |
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fprintf(fp," outer loop\n"); |
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for(int k=0;k<3;++k){ |
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p.Import((*fi).V(k)->P()); |
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fprintf(fp," vertex %13e %13e %13e\n",p[0],p[1],p[2]); |
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} |
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fprintf(fp," endloop\n"); |
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fprintf(fp," endfacet\n"); |
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} |
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fprintf(fp,"endsolid vcg\n"); |
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} |
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int result = 0; |
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if (ferror(fp)) result = 2; |
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fclose(fp); |
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return result; |
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} |
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static const char *ErrorMsg(int error) |
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{ |
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static std::vector<std::string> stl_error_msg; |
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if (stl_error_msg.empty()) |
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{ |
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stl_error_msg.resize(3); |
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stl_error_msg[0] = "No errors"; |
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stl_error_msg[1] = "Can't open file"; |
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stl_error_msg[2] = "Output Stream error"; |
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} |
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if (error>2 || error<0) return "Unknown error"; |
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else return stl_error_msg[error].c_str(); |
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}; |
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/* |
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returns mask of capability one define with what are the saveable information of the format. |
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*/ |
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static int GetExportMaskCapability() |
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{ |
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int capability = 0; |
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capability |= vcg::tri::io::Mask::IOM_VERTCOORD; |
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capability |= vcg::tri::io::Mask::IOM_FACEINDEX; |
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capability |= vcg::tri::io::Mask::IOM_FACECOLOR; |
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return capability; |
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} |
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}; // end class |
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} // end Namespace tri |
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} // end Namespace io |
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} // end Namespace vcg |
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#endif
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