OpenMesh
PLYReader.hh
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42 /*===========================================================================*\
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44  * $Revision: 1278 $ *
45  * $Date: 2015-06-09 10:58:41 +0200 (Di, 09 Jun 2015) $ *
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47 \*===========================================================================*/
48 
49 
50 //=============================================================================
51 //
52 // Implements a reader module for OFF files
53 //
54 //=============================================================================
55 
56 
57 #ifndef __PLYREADER_HH__
58 #define __PLYREADER_HH__
59 
60 
61 //=== INCLUDES ================================================================
62 
63 
64 
65 #include <iosfwd>
66 #include <string>
67 #include <cstdio>
68 #include <vector>
69 
70 #include <OpenMesh/Core/System/config.h>
71 #include <OpenMesh/Core/Utils/SingletonT.hh>
72 #include <OpenMesh/Core/IO/reader/BaseReader.hh>
73 
74 #ifndef WIN32
75 #include <string.h>
76 #endif
77 
78 //== NAMESPACES ===============================================================
79 
80 
81 namespace OpenMesh {
82 namespace IO {
83 
84 
85 //== FORWARDS =================================================================
86 
87 
88 class BaseImporter;
89 
90 
91 //== IMPLEMENTATION ===========================================================
92 
93 
101 class OPENMESHDLLEXPORT _PLYReader_ : public BaseReader
102 {
103 public:
104 
105  _PLYReader_();
106 
107  std::string get_description() const { return "PLY polygon file format"; }
108  std::string get_extensions() const { return "ply"; }
109  std::string get_magic() const { return "PLY"; }
110 
111  bool read(const std::string& _filename,
112  BaseImporter& _bi,
113  Options& _opt);
114 
115  bool read(std::istream& _is,
116  BaseImporter& _bi,
117  Options& _opt);
118 
119  bool can_u_read(const std::string& _filename) const;
120 
121  enum ValueType {
122  Unsupported,
123  ValueTypeINT8, ValueTypeCHAR,
124  ValueTypeUINT8, ValueTypeUCHAR,
125  ValueTypeINT16, ValueTypeSHORT,
126  ValueTypeUINT16, ValueTypeUSHORT,
127  ValueTypeINT32, ValueTypeINT,
128  ValueTypeUINT32, ValueTypeUINT,
129  ValueTypeFLOAT32, ValueTypeFLOAT,
130  ValueTypeFLOAT64, ValueTypeDOUBLE
131  };
132 
133 private:
134 
135  bool can_u_read(std::istream& _is) const;
136 
137  bool read_ascii(std::istream& _in, BaseImporter& _bi, const Options& _opt) const;
138  bool read_binary(std::istream& _in, BaseImporter& _bi, bool swap, const Options& _opt) const;
139 
140  float readToFloatValue(ValueType _type , std::fstream& _in) const;
141  template<typename Handle>
142  void readCustomProperty(std::istream& _in, BaseImporter& _bi, Handle _h, const std::string& _propName, const ValueType _valueType, const ValueType _listIndexType) const;
143 
144  void readValue(ValueType _type , std::istream& _in, float& _value) const;
145  void readValue(ValueType _type, std::istream& _in, double& _value) const;
146  void readValue(ValueType _type , std::istream& _in, unsigned int& _value) const;
147  void readValue(ValueType _type , std::istream& _in, int& _value) const;
148 
149  void readInteger(ValueType _type, std::istream& _in, int& _value) const;
150  void readInteger(ValueType _type, std::istream& _in, unsigned int& _value) const;
151 
153  void consume_input(std::istream& _in, int _count) const {
154  _in.read(reinterpret_cast<char*>(&buff[0]), _count);
155  }
156 
157  mutable unsigned char buff[8];
158 
160  mutable Options options_;
161 
163  mutable Options userOptions_;
164 
165  mutable unsigned int vertexCount_;
166  mutable unsigned int faceCount_;
167 
168  mutable ValueType vertexType_;
169  mutable uint vertexDimension_;
170 
171  enum Property {
172  XCOORD,YCOORD,ZCOORD,
173  TEXX,TEXY,
174  COLORRED,COLORGREEN,COLORBLUE,COLORALPHA,
175  XNORM,YNORM,ZNORM, CUSTOM_PROP, VERTEX_INDICES,
176  UNSUPPORTED
177  };
178 
180  mutable std::map<ValueType, int> scalar_size_;
181 
182  // Number of vertex properties
183  struct PropertyInfo
184  {
185  Property property;
186  ValueType value;
187  std::string name;//for custom properties
188  ValueType listIndexType;//if type is unsupported, the poerty is not a list. otherwise, it the index type
189  PropertyInfo():property(UNSUPPORTED),value(Unsupported),name(""),listIndexType(Unsupported){}
190  PropertyInfo(Property _p, ValueType _v):property(_p),value(_v),name(""),listIndexType(Unsupported){}
191  PropertyInfo(Property _p, ValueType _v, const std::string& _n):property(_p),value(_v),name(_n),listIndexType(Unsupported){}
192  };
193  mutable std::vector< PropertyInfo > vertexProperties_;
194  mutable std::vector< PropertyInfo > faceProperties_;
195 
196 };
197 
198 
199 //== TYPE DEFINITION ==========================================================
200 
201 
204 OPENMESHDLLEXPORT _PLYReader_& PLYReader();
205 
206 
207 //=============================================================================
208 } // namespace IO
209 } // namespace OpenMesh
210 //=============================================================================
211 #endif
212 //=============================================================================
Base class for reader modules.
Definition: BaseReader.hh:94
std::string get_description() const
Returns a brief description of the file type that can be parsed.
Definition: PLYReader.hh:107
Implementation of the PLY format reader.
Definition: PLYReader.hh:101
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:64
std::string get_extensions() const
Returns a string with the accepted file extensions separated by a whitespace and in small caps...
Definition: PLYReader.hh:108
Set options for reader/writer modules.
Definition: Options.hh:95
Base class for importer modules.
Definition: BaseImporter.hh:88
std::string get_magic() const
Return magic bits used to determine file format.
Definition: PLYReader.hh:109
_PLYReader_ __PLYReaderInstance
Declare the single entity of the PLY reader.
Definition: PLYReader.cc:82

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