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PLYReader.hh
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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 //=============================================================================

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