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00050 #ifndef __OMREADER_HH__
00051 #define __OMREADER_HH__
00052
00053
00054
00055
00056
00057 #include <OpenMesh/Core/System/config.h>
00058 #include <OpenMesh/Core/Utils/SingletonT.hh>
00059 #include <OpenMesh/Core/IO/OMFormat.hh>
00060 #include <OpenMesh/Core/IO/IOManager.hh>
00061 #include <OpenMesh/Core/IO/importer/BaseImporter.hh>
00062 #include <OpenMesh/Core/IO/reader/BaseReader.hh>
00063
00064
00065 #include <iostream>
00066 #include <string>
00067
00068
00069
00070
00071
00072 namespace OpenMesh {
00073 namespace IO {
00074
00075
00076
00077
00078
00083 class _OMReader_ : public BaseReader
00084 {
00085 public:
00086
00087 _OMReader_();
00088 virtual ~_OMReader_() { }
00089
00090 std::string get_description() const { return "OpenMesh File Format"; }
00091 std::string get_extensions() const { return "om"; }
00092 std::string get_magic() const { return "OM"; }
00093
00094 bool read(const std::string& _filename,
00095 BaseImporter& _bi,
00096 Options& _opt );
00097
00099 bool read(std::istream& _is,
00100 BaseImporter& _bi,
00101 Options& _opt );
00102
00103 virtual bool can_u_read(const std::string& _filename) const;
00104 virtual bool can_u_read(std::istream& _is) const;
00105
00106
00107 private:
00108
00109 bool supports( const OMFormat::uint8 version ) const;
00110
00111 bool read_ascii(std::istream& _is, BaseImporter& _bi, Options& _opt) const;
00112 bool read_binary(std::istream& _is, BaseImporter& _bi, Options& _opt) const;
00113
00114 typedef OMFormat::Header Header;
00115 typedef OMFormat::Chunk::Header ChunkHeader;
00116 typedef OMFormat::Chunk::PropertyName PropertyName;
00117
00118
00119 mutable size_t bytes_;
00120 mutable Header header_;
00121 mutable ChunkHeader chunk_header_;
00122 mutable PropertyName property_name_;
00123
00124 bool read_binary_vertex_chunk( std::istream &_is,
00125 BaseImporter &_bi,
00126 Options &_opt,
00127 bool _swap) const;
00128
00129 bool read_binary_face_chunk( std::istream &_is,
00130 BaseImporter &_bi,
00131 Options &_opt,
00132 bool _swap) const;
00133
00134 bool read_binary_edge_chunk( std::istream &_is,
00135 BaseImporter &_bi,
00136 Options &_opt,
00137 bool _swap) const;
00138
00139 bool read_binary_halfedge_chunk( std::istream &_is,
00140 BaseImporter &_bi,
00141 Options &_opt,
00142 bool _swap) const;
00143
00144 bool read_binary_mesh_chunk( std::istream &_is,
00145 BaseImporter &_bi,
00146 Options &_opt,
00147 bool _swap) const;
00148
00149 size_t restore_binary_custom_data( std::istream& _is,
00150 BaseProperty* _bp,
00151 size_t _n_elem,
00152 bool _swap) const;
00153
00154 };
00155
00156
00157
00158
00159
00161 extern _OMReader_ __OMReaderInstance;
00162 _OMReader_& OMReader();
00163
00164
00165
00166 }
00167 }
00168
00169 #endif
00170