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OMReader.hh
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3 * OpenMesh *
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41
42/*===========================================================================*\
43 * *
44 * $Revision$ *
45 * $Date$ *
46 * *
47\*===========================================================================*/
48
49
50//=============================================================================
51//
52// Implements a reader module for OFF files
53//
54//=============================================================================
55
56
57#ifndef __OMREADER_HH__
58#define __OMREADER_HH__
59
60
61//=== INCLUDES ================================================================
62
63// OpenMesh
64#include <OpenMesh/Core/System/config.h>
65#include <OpenMesh/Core/Utils/SingletonT.hh>
66#include <OpenMesh/Core/IO/OMFormat.hh>
67#include <OpenMesh/Core/IO/IOManager.hh>
68#include <OpenMesh/Core/IO/importer/BaseImporter.hh>
69#include <OpenMesh/Core/IO/reader/BaseReader.hh>
70
71// STD C++
72#include <iosfwd>
73#include <string>
74
75
76//== NAMESPACES ===============================================================
77
78
79namespace OpenMesh {
80namespace IO {
81
82
83//== IMPLEMENTATION ===========================================================
84
85
90class OPENMESHDLLEXPORT _OMReader_ : public BaseReader
91{
92public:
93
94 _OMReader_();
95 virtual ~_OMReader_() { }
96
97 std::string get_description() const { return "OpenMesh File Format"; }
98 std::string get_extensions() const { return "om"; }
99 std::string get_magic() const { return "OM"; }
100
101 bool read(const std::string& _filename,
102 BaseImporter& _bi,
103 Options& _opt );
104
106 bool read(std::istream& _is,
107 BaseImporter& _bi,
108 Options& _opt );
109
110 virtual bool can_u_read(const std::string& _filename) const;
111 virtual bool can_u_read(std::istream& _is) const;
112
113
114private:
115
116 bool supports( const OMFormat::uint8 version ) const;
117
118 bool read_ascii(std::istream& _is, BaseImporter& _bi, Options& _opt) const;
119 bool read_binary(std::istream& _is, BaseImporter& _bi, Options& _opt) const;
120
121 typedef OMFormat::Header Header;
122 typedef OMFormat::Chunk::Header ChunkHeader;
123 typedef OMFormat::Chunk::PropertyName PropertyName;
124
125 // initialized/updated by read_binary*/read_ascii*
126 mutable size_t bytes_;
127 mutable Options fileOptions_;
128 mutable Header header_;
129 mutable ChunkHeader chunk_header_;
130 mutable PropertyName property_name_;
131
132 bool read_binary_vertex_chunk( std::istream &_is,
133 BaseImporter &_bi,
134 Options &_opt,
135 bool _swap) const;
136
137 bool read_binary_face_chunk( std::istream &_is,
138 BaseImporter &_bi,
139 Options &_opt,
140 bool _swap) const;
141
142 bool read_binary_edge_chunk( std::istream &_is,
143 BaseImporter &_bi,
144 Options &_opt,
145 bool _swap) const;
146
147 bool read_binary_halfedge_chunk( std::istream &_is,
148 BaseImporter &_bi,
149 Options &_opt,
150 bool _swap) const;
151
152 bool read_binary_mesh_chunk( std::istream &_is,
153 BaseImporter &_bi,
154 Options &_opt,
155 bool _swap) const;
156
157 size_t restore_binary_custom_data( std::istream& _is,
158 BaseProperty* _bp,
159 size_t _n_elem,
160 bool _swap) const;
161
162};
163
164
165//== TYPE DEFINITION ==========================================================
166
167
169extern _OMReader_ __OMReaderInstance;
170OPENMESHDLLEXPORT _OMReader_& OMReader();
171
172
173//=============================================================================
174} // namespace IO
175} // namespace OpenMesh
176//=============================================================================
177#endif
178//=============================================================================
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:64
_OMReader_ __OMReaderInstance
Declare the single entity of the OM reader.
Definition: OMReader.cc:77
Base class for importer modules.
Definition: BaseImporter.hh:89
Set options for reader/writer modules.
Definition: Options.hh:96
Base class for reader modules.
Definition: BaseReader.hh:95
Implementation of the OM format reader.
Definition: OMReader.hh:91
std::string get_description() const
Returns a brief description of the file type that can be parsed.
Definition: OMReader.hh:97
std::string get_magic() const
Return magic bits used to determine file format.
Definition: OMReader.hh:99
std::string get_extensions() const
Returns a string with the accepted file extensions separated by a whitespace and in small caps.
Definition: OMReader.hh:98
Abstract class defining the basic interface of a dynamic property.
Definition: BaseProperty.hh:66

Project OpenMesh, ©  Computer Graphics Group, RWTH Aachen. Documentation generated using doxygen .