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PLYReader.hh
1 /* ========================================================================= *
2 * *
3 * OpenMesh *
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5 * Department of Computer Graphics and Multimedia *
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7 * www.openmesh.org *
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40 * ========================================================================= */
41
42 /*===========================================================================*\
43 * *
44 * $Revision: 1278 $ *
45 * $Date: 2015-06-09 10:58:41 +0200 (Di, 09 Jun 2015) $ *
46 * *
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
203 extern _PLYReader_ __PLYReaderInstance;
204 OPENMESHDLLEXPORT _PLYReader_& PLYReader();
205
206
207 //=============================================================================
208 } // namespace IO
209 } // namespace OpenMesh
210 //=============================================================================
211 #endif
212 //=============================================================================
OpenMesh::IO::BaseImporter
Base class for importer modules.
Definition: BaseImporter.hh:88
OpenMesh
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:64
OpenMesh::IO::_PLYReader_
Implementation of the PLY format reader.
Definition: PLYReader.hh:101
OpenMesh::IO::BaseReader
Base class for reader modules.
Definition: BaseReader.hh:94
OpenMesh::IO::_PLYReader_::get_magic
std::string get_magic() const
Return magic bits used to determine file format.
Definition: PLYReader.hh:109
OpenMesh::IO::_PLYReader_::get_extensions
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
OpenMesh::IO::__PLYReaderInstance
_PLYReader_ __PLYReaderInstance
Declare the single entity of the PLY reader.
Definition: PLYReader.cc:82
OpenMesh::IO::Options
Set options for reader/writer modules.
Definition: Options.hh:95
OpenMesh::IO::_PLYReader_::get_description
std::string get_description() const
Returns a brief description of the file type that can be parsed.
Definition: PLYReader.hh:107