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OFFReader.hh
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34 
35 /*===========================================================================*\
36  * *
37  * $Revision: 736 $ *
38  * $Date: 2012-10-08 09:30:49 +0200 (Mo, 08 Okt 2012) $ *
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40 \*===========================================================================*/
41 
42 
43 //=============================================================================
44 //
45 // Implements a reader module for OFF files
46 //
47 //=============================================================================
48 
49 
50 #ifndef __OFFREADER_HH__
51 #define __OFFREADER_HH__
52 
53 
54 //=== INCLUDES ================================================================
55 
56 
57 #include <iostream>
58 #include <string>
59 #include <stdio.h>
60 #include <fstream>
61 
62 #include <OpenMesh/Core/System/config.h>
63 #include <OpenMesh/Core/Utils/SingletonT.hh>
64 #include <OpenMesh/Core/IO/reader/BaseReader.hh>
65 
66 #ifndef WIN32
67 #include <string.h>
68 #endif
69 
70 //== NAMESPACES ===============================================================
71 
72 
73 namespace OpenMesh {
74 namespace IO {
75 
76 
77 //== FORWARDS =================================================================
78 
79 
80 class BaseImporter;
81 
82 
83 //== IMPLEMENTATION ===========================================================
84 
85 
114 class OPENMESHDLLEXPORT _OFFReader_ : public BaseReader
115 {
116 public:
117 
118  _OFFReader_();
119 
121  virtual ~_OFFReader_() {};
122 
123  std::string get_description() const { return "Object File Format"; }
124  std::string get_extensions() const { return "off"; }
125  std::string get_magic() const { return "OFF"; }
126 
127  bool read(const std::string& _filename,
128  BaseImporter& _bi,
129  Options& _opt);
130 
131  bool can_u_read(const std::string& _filename) const;
132 
133  bool read(std::istream& _in, BaseImporter& _bi, Options& _opt );
134 
135 private:
136 
137  bool can_u_read(std::istream& _is) const;
138 
139  bool read_ascii(std::istream& _in, BaseImporter& _bi) const;
140  bool read_binary(std::istream& _in, BaseImporter& _bi, bool swap) const;
141 
142  void readValue(std::istream& _in, float& _value) const;
143  void readValue(std::istream& _in, int& _value) const;
144  void readValue(std::istream& _in, unsigned int& _value) const;
145 
146  int getColorType(std::string & _line, bool _texCoordsAvailable) const;
147 
148  //available options for reading
149  mutable Options options_;
150  //options that the user wants to read
151  mutable Options userOptions_;
152 };
153 
154 
155 //== TYPE DEFINITION ==========================================================
156 
157 
159 extern _OFFReader_ __OFFReaderInstance;
160 OPENMESHDLLEXPORT _OFFReader_& OFFReader();
161 
162 
163 //=============================================================================
164 } // namespace IO
165 } // namespace OpenMesh
166 //=============================================================================
167 #endif
168 //=============================================================================

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