OpenMesh
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00001 /*===========================================================================*\ 00002 * * 00003 * OpenMesh * 00004 * Copyright (C) 2001-2011 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: 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 OBJ files 00046 // 00047 //============================================================================= 00048 00049 00050 #ifndef __OBJREADER_HH__ 00051 #define __OBJREADER_HH__ 00052 00053 00054 //=== INCLUDES ================================================================ 00055 00056 00057 #include <iostream> 00058 #include <string> 00059 #include <vector> 00060 #include <map> 00061 #include <fstream> 00062 00063 #include <OpenMesh/Core/System/config.h> 00064 #include <OpenMesh/Core/Utils/SingletonT.hh> 00065 #include <OpenMesh/Core/IO/importer/BaseImporter.hh> 00066 #include <OpenMesh/Core/IO/reader/BaseReader.hh> 00067 00068 00069 //== NAMESPACES =============================================================== 00070 00071 00072 namespace OpenMesh { 00073 namespace IO { 00074 00075 00076 //== IMPLEMENTATION =========================================================== 00077 00078 00082 class _OBJReader_ : public BaseReader 00083 { 00084 public: 00085 00086 _OBJReader_(); 00087 00088 virtual ~_OBJReader_() { } 00089 00090 std::string get_description() const { return "Alias/Wavefront"; } 00091 std::string get_extensions() const { return "obj"; } 00092 00093 bool read(const std::string& _filename, 00094 BaseImporter& _bi, 00095 Options& _opt); 00096 00097 bool read(std::istream& _in, 00098 BaseImporter& _bi, 00099 Options& _opt); 00100 00101 private: 00102 00103 #ifndef DOXY_IGNORE_THIS 00104 class Material 00105 { 00106 public: 00107 00108 Material() { cleanup(); } 00109 00110 void cleanup() 00111 { 00112 Kd_is_set_ = false; 00113 Ka_is_set_ = false; 00114 Ks_is_set_ = false; 00115 Tr_is_set_ = false; 00116 map_Kd_is_set_ = false; 00117 } 00118 00119 bool is_valid(void) const 00120 { return Kd_is_set_ || Ka_is_set_ || Ks_is_set_ || Tr_is_set_; } 00121 00122 bool has_Kd(void) { return Kd_is_set_; } 00123 bool has_Ka(void) { return Ka_is_set_; } 00124 bool has_Ks(void) { return Ks_is_set_; } 00125 bool has_Tr(void) { return Tr_is_set_; } 00126 bool has_map_Kd(void) { return map_Kd_is_set_; } 00127 00128 void set_Kd( float r, float g, float b ) 00129 { Kd_=Vec3f(r,g,b); Kd_is_set_=true; } 00130 00131 void set_Ka( float r, float g, float b ) 00132 { Ka_=Vec3f(r,g,b); Ka_is_set_=true; } 00133 00134 void set_Ks( float r, float g, float b ) 00135 { Ks_=Vec3f(r,g,b); Ks_is_set_=true; } 00136 00137 void set_Tr( float t ) 00138 { Tr_=t; Tr_is_set_=true; } 00139 00140 void set_map_Kd( std::string _name, int _index_Kd ) 00141 { map_Kd_ = _name, index_Kd_ = _index_Kd; map_Kd_is_set_ = true; }; 00142 00143 const Vec3f& Kd( void ) const { return Kd_; } 00144 const Vec3f& Ka( void ) const { return Ka_; } 00145 const Vec3f& Ks( void ) const { return Ks_; } 00146 float Tr( void ) const { return Tr_; } 00147 const std::string& map_Kd( void ) { return map_Kd_ ; } 00148 const int& map_Kd_index( void ) { return index_Kd_ ; } 00149 00150 private: 00151 00152 Vec3f Kd_; bool Kd_is_set_; // diffuse 00153 Vec3f Ka_; bool Ka_is_set_; // ambient 00154 Vec3f Ks_; bool Ks_is_set_; // specular 00155 float Tr_; bool Tr_is_set_; // transperency 00156 00157 std::string map_Kd_; int index_Kd_; bool map_Kd_is_set_; // Texture 00158 00159 }; 00160 #endif 00161 00162 typedef std::map<std::string, Material> MaterialList; 00163 00164 MaterialList materials_; 00165 00166 bool read_material( std::fstream& _in ); 00167 00168 private: 00169 00170 std::string path_; 00171 00172 }; 00173 00174 00175 //== TYPE DEFINITION ========================================================== 00176 00177 00178 extern _OBJReader_ __OBJReaderInstance; 00179 _OBJReader_& OBJReader(); 00180 00181 00182 //============================================================================= 00183 } // namespace IO 00184 } // namespace OpenMesh 00185 //============================================================================= 00186 #endif 00187 //=============================================================================