00001 /*===========================================================================*\ 00002 * * 00003 * OpenMesh * 00004 * Copyright (C) 2001-2010 by Computer Graphics Group, RWTH Aachen * 00005 * www.openmesh.org * 00006 * * 00007 *---------------------------------------------------------------------------* 00008 * This file is part of OpenMesh. * 00009 * * 00010 * OpenMesh is free software: you can redistribute it and/or modify * 00011 * it under the terms of the GNU Lesser General Public License as * 00012 * published by the Free Software Foundation, either version 3 of * 00013 * the License, or (at your option) any later version with the * 00014 * following exceptions: * 00015 * * 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 * 00019 * not by itself cause the resulting executable to be covered by the * 00020 * GNU Lesser General Public License. This exception does not however * 00021 * invalidate any other reasons why the executable file might be * 00022 * covered by the GNU Lesser General Public License. * 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 * 00030 * License along with OpenMesh. If not, * 00031 * see <http://www.gnu.org/licenses/>. * 00032 * * 00033 \*===========================================================================*/ 00034 00035 /*===========================================================================*\ 00036 * * 00037 * $Revision: 325 $ * 00038 * $Date: 2010-06-17 12:45:58 +0200 (Do, 17 Jun 2010) $ * 00039 * * 00040 \*===========================================================================*/ 00041 00042 00043 //============================================================================= 00044 // 00045 // Implements a reader module for OFF files 00046 // 00047 //============================================================================= 00048 00049 00050 #ifndef __OFFREADER_HH__ 00051 #define __OFFREADER_HH__ 00052 00053 00054 //=== INCLUDES ================================================================ 00055 00056 00057 #include <iostream> 00058 #include <string> 00059 #include <stdio.h> 00060 #include <fstream> 00061 00062 #include <OpenMesh/Core/System/config.h> 00063 #include <OpenMesh/Core/Utils/SingletonT.hh> 00064 #include <OpenMesh/Core/IO/reader/BaseReader.hh> 00065 00066 #ifndef WIN32 00067 #include <string.h> 00068 #endif 00069 00070 //== NAMESPACES =============================================================== 00071 00072 00073 namespace OpenMesh { 00074 namespace IO { 00075 00076 00077 //== FORWARDS ================================================================= 00078 00079 00080 class BaseImporter; 00081 00082 00083 //== IMPLEMENTATION =========================================================== 00084 00085 00114 class _OFFReader_ : public BaseReader 00115 { 00116 public: 00117 00118 _OFFReader_(); 00119 00121 virtual ~_OFFReader_() {}; 00122 00123 std::string get_description() const { return "Object File Format"; } 00124 std::string get_extensions() const { return "off"; } 00125 std::string get_magic() const { return "OFF"; } 00126 00127 bool read(const std::string& _filename, 00128 BaseImporter& _bi, 00129 Options& _opt); 00130 00131 bool can_u_read(const std::string& _filename) const; 00132 00133 bool read(std::istream& _in, BaseImporter& _bi, Options& _opt ); 00134 00135 private: 00136 00137 bool can_u_read(std::istream& _is) const; 00138 00139 bool read_ascii(std::istream& _in, BaseImporter& _bi) const; 00140 bool read_binary(std::istream& _in, BaseImporter& _bi, bool swap) const; 00141 00142 void readValue(std::istream& _in, float& _value) const; 00143 void readValue(std::istream& _in, int& _value) const; 00144 void readValue(std::istream& _in, unsigned int& _value) const; 00145 00146 int getColorType(std::string & _line, bool _texCoordsAvailable) const; 00147 00148 //available options for reading 00149 mutable Options options_; 00150 //options that the user wants to read 00151 mutable Options userOptions_; 00152 }; 00153 00154 00155 //== TYPE DEFINITION ========================================================== 00156 00157 00159 extern _OFFReader_ __OFFReaderInstance; 00160 _OFFReader_& OFFReader(); 00161 00162 00163 //============================================================================= 00164 } // namespace IO 00165 } // namespace OpenMesh 00166 //============================================================================= 00167 #endif 00168 //=============================================================================