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PLYReader.hh
1 /*===========================================================================*\
2 * *
3 * OpenMesh *
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33 \*===========================================================================*/
34
35 /*===========================================================================*\
36 * *
37 * $Revision: 741 $ *
38 * $Date: 2012-10-08 13:44:29 +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 __PLYREADER_HH__
51 #define __PLYREADER_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
92 class OPENMESHDLLEXPORT _PLYReader_ : public BaseReader
93 {
94 public:
95
96 _PLYReader_();
97
98 std::string get_description() const { return "PLY polygon file format"; }
99 std::string get_extensions() const { return "ply"; }
100 std::string get_magic() const { return "PLY"; }
101
102 bool read(const std::string& _filename,
103 BaseImporter& _bi,
104 Options& _opt);
105
106 bool read(std::istream& _is,
107 BaseImporter& _bi,
108 Options& _opt);
109
110 bool can_u_read(const std::string& _filename) const;
111
112 enum ValueType {
113 Unsupported,
114 ValueTypeINT8, ValueTypeCHAR,
115 ValueTypeUINT8, ValueTypeUCHAR,
116 ValueTypeINT16, ValueTypeSHORT,
117 ValueTypeUINT16, ValueTypeUSHORT,
118 ValueTypeINT32, ValueTypeINT,
119 ValueTypeUINT32, ValueTypeUINT,
120 ValueTypeFLOAT32, ValueTypeFLOAT,
121 ValueTypeFLOAT64, ValueTypeDOUBLE
122 };
123
124 private:
125
126 bool can_u_read(std::istream& _is) const;
127
128 bool read_ascii(std::istream& _in, BaseImporter& _bi, const Options& _opt) const;
129 bool read_binary(std::istream& _in, BaseImporter& _bi, bool swap, const Options& _opt) const;
130
131 float readToFloatValue(ValueType _type , std::fstream& _in) const;
132
133 void readValue(ValueType _type , std::istream& _in, float& _value) const;
134 void readValue(ValueType _type, std::istream& _in, double& _value) const;
135 void readValue(ValueType _type , std::istream& _in, unsigned int& _value) const;
136 void readValue(ValueType _type , std::istream& _in, int& _value) const;
137
138 void readInteger(ValueType _type, std::istream& _in, int& _value) const;
139 void readInteger(ValueType _type, std::istream& _in, unsigned int& _value) const;
140
142 void consume_input(std::istream& _in, int _count) const {
143 _in.read(reinterpret_cast<char*>(&buff[0]), _count);
144 }
145
146 mutable unsigned char buff[8];
147
149 mutable Options options_;
150
152 mutable Options userOptions_;
153
154 mutable unsigned int vertexCount_;
155 mutable unsigned int faceCount_;
156
157 mutable ValueType vertexType_;
158 mutable uint vertexDimension_;
159
160 mutable ValueType faceIndexType_;
161 mutable ValueType faceEntryType_;
162
163 enum VertexProperty {
164 XCOORD,YCOORD,ZCOORD,
165 TEXX,TEXY,
166 COLORRED,COLORGREEN,COLORBLUE,COLORALPHA,
167 XNORM,YNORM,ZNORM,
168 UNSUPPORTED
169 };
170
172 mutable std::map<ValueType, int> scalar_size_;
173
174 // Number of vertex properties
175 mutable unsigned int vertexPropertyCount_;
176 mutable std::map< int , std::pair< VertexProperty, ValueType> > vertexPropertyMap_;
177
178 };
179
180
181 //== TYPE DEFINITION ==========================================================
182
183
185 extern _PLYReader_ __PLYReaderInstance;
186 OPENMESHDLLEXPORT _PLYReader_& PLYReader();
187
188
189 //=============================================================================
190 } // namespace IO
191 } // namespace OpenMesh
192 //=============================================================================
193 #endif
194 //=============================================================================