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: 463 $ * 00038 * $Date: 2011-11-25 16:08:38 +0100 (Fr, 25 Nov 2011) $ * 00039 * * 00040 \*===========================================================================*/ 00041 00042 00043 //============================================================================= 00044 // 00045 // Implements a reader module for OFF files 00046 // 00047 //============================================================================= 00048 00049 00050 #ifndef __PLYREADER_HH__ 00051 #define __PLYREADER_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 00092 class _PLYReader_ : public BaseReader 00093 { 00094 public: 00095 00096 _PLYReader_(); 00097 00098 std::string get_description() const { return "PLY polygon file format"; } 00099 std::string get_extensions() const { return "ply"; } 00100 std::string get_magic() const { return "PLY"; } 00101 00102 bool read(const std::string& _filename, 00103 BaseImporter& _bi, 00104 Options& _opt); 00105 00106 bool read(std::istream& _is, 00107 BaseImporter& _bi, 00108 Options& _opt); 00109 00110 bool can_u_read(const std::string& _filename) const; 00111 00112 enum ValueType { 00113 Unsupported, 00114 ValueTypeINT8, ValueTypeCHAR, 00115 ValueTypeUINT8, ValueTypeUCHAR, 00116 ValueTypeINT16, ValueTypeSHORT, 00117 ValueTypeUINT16, ValueTypeUSHORT, 00118 ValueTypeINT32, ValueTypeINT, 00119 ValueTypeUINT32, ValueTypeUINT, 00120 ValueTypeFLOAT32, ValueTypeFLOAT, 00121 ValueTypeFLOAT64, ValueTypeDOUBLE 00122 }; 00123 00124 private: 00125 00126 bool can_u_read(std::istream& _is) const; 00127 00128 bool read_ascii(std::istream& _in, BaseImporter& _bi) const; 00129 bool read_binary(std::istream& _in, BaseImporter& _bi, bool swap) const; 00130 00131 float readToFloatValue(ValueType _type , std::fstream& _in) const; 00132 00133 void readValue(ValueType _type , std::istream& _in, float& _value) const; 00134 void readValue(ValueType _type, std::istream& _in, double& _value) const; 00135 void readValue(ValueType _type , std::istream& _in, unsigned int& _value) const; 00136 void readValue(ValueType _type , std::istream& _in, int& _value) const; 00137 00138 void readInteger(ValueType _type, std::istream& _in, int& _value) const; 00139 void readInteger(ValueType _type, std::istream& _in, unsigned int& _value) const; 00140 00142 void consume_input(std::istream& _in, int _count) const { 00143 _in.read(reinterpret_cast<char*>(&buff[0]), _count); 00144 } 00145 00146 mutable unsigned char buff[8]; 00147 00149 mutable Options options_; 00150 00152 mutable Options userOptions_; 00153 00154 mutable unsigned int vertexCount_; 00155 mutable unsigned int faceCount_; 00156 00157 mutable ValueType vertexType_; 00158 mutable uint vertexDimension_; 00159 00160 mutable ValueType faceIndexType_; 00161 mutable ValueType faceEntryType_; 00162 00163 enum VertexProperty { 00164 XCOORD,YCOORD,ZCOORD, 00165 TEXX,TEXY, 00166 COLORRED,COLORGREEN,COLORBLUE,COLORALPHA, 00167 XNORM,YNORM,ZNORM, 00168 UNSUPPORTED 00169 }; 00170 00172 mutable std::map<ValueType, int> scalar_size_; 00173 00174 // Number of vertex properties 00175 mutable unsigned int vertexPropertyCount_; 00176 mutable std::map< int , std::pair< VertexProperty, ValueType> > vertexPropertyMap_; 00177 00178 }; 00179 00180 00181 //== TYPE DEFINITION ========================================================== 00182 00183 00185 extern _PLYReader_ __PLYReaderInstance; 00186 _PLYReader_& PLYReader(); 00187 00188 00189 //============================================================================= 00190 } // namespace IO 00191 } // namespace OpenMesh 00192 //============================================================================= 00193 #endif 00194 //=============================================================================