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STLReader.hh

00001 /*===========================================================================*\
00002  *                                                                           *
00003  *                               OpenMesh                                    *
00004  *      Copyright (C) 2001-2005 by Computer Graphics Group, RWTH Aachen      *
00005  *                           www.openmesh.org                                *
00006  *                                                                           *
00007  *---------------------------------------------------------------------------* 
00008  *                                                                           *
00009  *                                License                                    *
00010  *                                                                           *
00011  *  This library is free software; you can redistribute it and/or modify it  *
00012  *  under the terms of the GNU Library General Public License as published   *
00013  *  by the Free Software Foundation, version 2.                              *
00014  *                                                                           *
00015  *  This library is distributed in the hope that it will be useful, but      *
00016  *  WITHOUT ANY WARRANTY; without even the implied warranty of               *
00017  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU        *
00018  *  Library General Public License for more details.                         *
00019  *                                                                           *
00020  *  You should have received a copy of the GNU Library General Public        *
00021  *  License along with this library; if not, write to the Free Software      *
00022  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.                *
00023  *                                                                           *
00024 \*===========================================================================*/
00025 
00026 
00027 //=============================================================================
00028 //
00029 //  Implements an reader module for STL files
00030 //
00031 //=============================================================================
00032 
00033 
00034 #ifndef __STLREADER_HH__
00035 #define __STLREADER_HH__
00036 
00037 
00038 //=== INCLUDES ================================================================
00039 
00040 
00041 #include <stdio.h>
00042 #include <string>
00043 
00044 #include <OpenMesh/Core/System/config.hh>
00045 #include <OpenMesh/Core/Utils/SingletonT.hh>
00046 #include <OpenMesh/Core/IO/reader/BaseReader.hh>
00047 
00048 
00049 //== NAMESPACES ===============================================================
00050 
00051 
00052 namespace OpenMesh {
00053 namespace IO {
00054 
00055 //== FORWARDS =================================================================
00056 
00057 class BaseImporter;
00058 
00059 //== IMPLEMENTATION ===========================================================
00060 
00061 
00066 class _STLReader_ : public BaseReader
00067 {
00068 public:
00069 
00070   // constructor
00071   _STLReader_();
00072 
00073 
00074   std::string get_description() const 
00075   { return "Stereolithography Interface Format"; }
00076   std::string get_extensions() const { return "stl stla stlb"; }
00077 
00078   bool read(const std::string& _filename, 
00079             BaseImporter& _bi,
00080             Options& _opt);
00081 
00082 
00085   void set_epsilon(float _eps) { eps_=_eps; }
00086 
00088   float epsilon() const { return eps_; }
00089 
00090 
00091   
00092 private:
00093 
00094   enum STL_Type { STLA, STLB, NONE };
00095   STL_Type check_stl_type(const std::string& _filename) const;
00096 
00097   bool read_stla(const std::string& _filename, BaseImporter& _bi) const;
00098   bool read_stlb(const std::string& _filename, BaseImporter& _bi) const;
00099 
00100 
00101 private:
00102 
00103   float eps_;
00104 };
00105 
00106 
00107 //== TYPE DEFINITION ==========================================================
00108 
00109 
00111 extern _STLReader_  __STLReaderInstance;
00112 _STLReader_&  STLReader();
00113 
00114 
00115 //=============================================================================
00116 } // namespace IO
00117 } // namespace OpenMesh
00118 //=============================================================================
00119 #endif
00120 //=============================================================================

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