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 
155 OPENMESHDLLEXPORT _OFFReader_& OFFReader();
156 
157 
158 //=============================================================================
159 } // namespace IO
160 } // namespace OpenMesh
161 //=============================================================================
_OFFReader_ __OFFReaderInstance
Declare the single entity of the OFF reader.
Definition: OFFReader.cc:88
std::string get_magic() const override
Return magic bits used to determine file format.
Definition: OFFReader.hh:120
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
Implementation of the OFF format reader.
Definition: OFFReader.hh:109
virtual ~_OFFReader_()
Destructor.
Definition: OFFReader.hh:116
Set options for reader/writer modules.
Definition: Options.hh:90
Base class for importer modules.
Definition: BaseImporter.hh:83
std::string get_description() const override
Returns a brief description of the file type that can be parsed.
Definition: OFFReader.hh:118
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:59
Base class for reader modules.
Definition: BaseReader.hh:86

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