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OFFReader.hh
1 /*===========================================================================*\
2 * *
3 * OpenMesh *
4 * Copyright (C) 2001-2012 by Computer Graphics Group, RWTH Aachen *
5 * www.openmesh.org *
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33 \*===========================================================================*/
34
35 /*===========================================================================*\
36 * *
37 * $Revision: 736 $ *
38 * $Date: 2012-10-08 09:30:49 +0200 (Mo, 08 Okt 2012) $ *
39 * *
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 //=============================================================================