| OpenMesh

OFFReader.hh
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41
42
43
44
45 //=============================================================================
46 //
47 // Implements a reader module for OFF files
48 //
49 //=============================================================================
50
51 #pragma once
52
53 //=== INCLUDES ================================================================
54
55
56 #include <iosfwd>
57 #include <string>
58 #include <cstdio>
59
60 #include <OpenMesh/Core/System/config.h>
61 #include <OpenMesh/Core/Utils/SingletonT.hh>
62 #include <OpenMesh/Core/IO/reader/BaseReader.hh>
63
64
65 //== NAMESPACES ===============================================================
66
67
68 namespace OpenMesh {
69 namespace IO {
70
71
72 //== FORWARDS =================================================================
73
74
75 class BaseImporter;
76
77
78 //== IMPLEMENTATION ===========================================================
79
80
109 class OPENMESHDLLEXPORT _OFFReader_ : public BaseReader
110 {
111 public:
112
113 _OFFReader_();
114
116 virtual ~_OFFReader_() {};
117
118 std::string get_description() const override { return "Object File Format"; }
119 std::string get_extensions() const override { return "off"; }
120 std::string get_magic() const override { return "OFF"; }
121
122 bool read(const std::string& _filename,
123 BaseImporter& _bi,
124 Options& _opt) override;
125
126 bool can_u_read(const std::string& _filename) const override;
127
128 bool read(std::istream& _in, BaseImporter& _bi, Options& _opt ) override;
129
130 private:
131
132 bool can_u_read(std::istream& _is) const;
133
134 bool read_ascii(std::istream& _in, BaseImporter& _bi, Options& _opt) const;
135 bool read_binary(std::istream& _in, BaseImporter& _bi, Options& _opt, bool swap) const;
136
137 void readValue(std::istream& _in, float& _value) const;
138 void readValue(std::istream& _in, int& _value) const;
139 void readValue(std::istream& _in, unsigned int& _value) const;
140
141 int getColorType(std::string & _line, bool _texCoordsAvailable) const;
142
143 //available options for reading
144 mutable Options options_;
145 //options that the user wants to read
146 mutable Options userOptions_;
147 };
148
149
150 //== TYPE DEFINITION ==========================================================
151
152
154 extern _OFFReader_ __OFFReaderInstance;
155 OPENMESHDLLEXPORT _OFFReader_& OFFReader();
156
157
158 //=============================================================================
159 } // namespace IO
160 } // namespace OpenMesh
161 //=============================================================================
OpenMesh::IO::__OFFReaderInstance
_OFFReader_ __OFFReaderInstance
Declare the single entity of the OFF reader.
Definition: OFFReader.cc:88
OpenMesh::IO::_OFFReader_::get_magic
std::string get_magic() const override
Return magic bits used to determine file format.
Definition: OFFReader.hh:120
OpenMesh::IO::_OFFReader_::get_extensions
std::string get_extensions() const override
Returns a string with the accepted file extensions separated by a whitespace and in small caps...
Definition: OFFReader.hh:119
OpenMesh::IO::_OFFReader_
Implementation of the OFF format reader.
Definition: OFFReader.hh:109
OpenMesh::IO::_OFFReader_::~_OFFReader_
virtual ~_OFFReader_()
Destructor.
Definition: OFFReader.hh:116
OpenMesh::IO::Options
Set options for reader/writer modules.
Definition: Options.hh:90
OpenMesh::IO::BaseImporter
Base class for importer modules.
Definition: BaseImporter.hh:83
OpenMesh::IO::_OFFReader_::get_description
std::string get_description() const override
Returns a brief description of the file type that can be parsed.
Definition: OFFReader.hh:118
OpenMesh
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:59
OpenMesh::IO::BaseReader
Base class for reader modules.
Definition: BaseReader.hh:86