OpenMesh
OpenMesh/Core/IO/reader/STLReader.hh
00001 /*===========================================================================*\
00002  *                                                                           *
00003  *                               OpenMesh                                    *
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00005  *                           www.openmesh.org                                *
00006  *                                                                           *
00007  *---------------------------------------------------------------------------*
00008  *  This file is part of OpenMesh.                                           *
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00010  *  OpenMesh is free software: you can redistribute it and/or modify         *
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00016  *  If other files instantiate templates or use macros                       *
00017  *  or inline functions from this file, or you compile this file and         *
00018  *  link it with other files to produce an executable, this file does        *
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00020  *  GNU Lesser General Public License. This exception does not however       *
00021  *  invalidate any other reasons why the executable file might be            *
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00023  *                                                                           *
00024  *  OpenMesh is distributed in the hope that it will be useful,              *
00025  *  but WITHOUT ANY WARRANTY; without even the implied warranty of           *
00026  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the            *
00027  *  GNU Lesser General Public License for more details.                      *
00028  *                                                                           *
00029  *  You should have received a copy of the GNU LesserGeneral Public          *
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00032  *                                                                           *
00033 \*===========================================================================*/
00034 
00035 /*===========================================================================*\
00036  *                                                                           *
00037  *   $Revision: 362 $                                                         *
00038  *   $Date: 2011-01-26 10:21:12 +0100 (Mi, 26 Jan 2011) $                   *
00039  *                                                                           *
00040 \*===========================================================================*/
00041 
00042 
00043 //=============================================================================
00044 //
00045 //  Implements an reader module for STL files
00046 //
00047 //=============================================================================
00048 
00049 
00050 #ifndef __STLREADER_HH__
00051 #define __STLREADER_HH__
00052 
00053 
00054 //=== INCLUDES ================================================================
00055 
00056 
00057 #include <stdio.h>
00058 #include <string>
00059 
00060 #include <OpenMesh/Core/System/config.h>
00061 #include <OpenMesh/Core/Utils/SingletonT.hh>
00062 #include <OpenMesh/Core/IO/reader/BaseReader.hh>
00063 
00064 #ifndef WIN32
00065 #include <string.h>
00066 #endif
00067 
00068 
00069 //== NAMESPACES ===============================================================
00070 
00071 
00072 namespace OpenMesh {
00073 namespace IO {
00074 
00075 //== FORWARDS =================================================================
00076 
00077 class BaseImporter;
00078 
00079 //== IMPLEMENTATION ===========================================================
00080 
00081 
00086 class _STLReader_ : public BaseReader
00087 {
00088 public:
00089 
00090   // constructor
00091   _STLReader_();
00092 
00094   virtual ~_STLReader_() {};
00095 
00096 
00097   std::string get_description() const
00098   { return "Stereolithography Interface Format"; }
00099   std::string get_extensions() const { return "stl stla stlb"; }
00100 
00101   bool read(const std::string& _filename,
00102             BaseImporter& _bi,
00103             Options& _opt);
00104 
00105   bool read(std::istream& _in,
00106                     BaseImporter& _bi,
00107             Options& _opt);
00108 
00111   void set_epsilon(float _eps) { eps_=_eps; }
00112 
00114   float epsilon() const { return eps_; }
00115 
00116 
00117 
00118 private:
00119 
00120   enum STL_Type { STLA, STLB, NONE };
00121   STL_Type check_stl_type(const std::string& _filename) const;
00122 
00123   bool read_stla(const std::string& _filename, BaseImporter& _bi) const;
00124   bool read_stlb(const std::string& _filename, BaseImporter& _bi) const;
00125 
00126 
00127 private:
00128 
00129   float eps_;
00130 };
00131 
00132 
00133 //== TYPE DEFINITION ==========================================================
00134 
00135 
00137 extern _STLReader_  __STLReaderInstance;
00138 _STLReader_&  STLReader();
00139 
00140 
00141 //=============================================================================
00142 } // namespace IO
00143 } // namespace OpenMesh
00144 //=============================================================================
00145 #endif
00146 //=============================================================================