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PLYReader.hh
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42/*===========================================================================*\
43 * *
44 * $Revision$ *
45 * $Date$ *
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#include <OpenMesh/Core/Utils/GenProg.hh>
74
75
76//== NAMESPACES ===============================================================
77
78
79namespace OpenMesh {
80namespace IO {
81
82
83//== FORWARDS =================================================================
84
85
86class BaseImporter;
87
88
89//== IMPLEMENTATION ===========================================================
90
91
99class OPENMESHDLLEXPORT _PLYReader_ : public BaseReader
100{
101public:
102
103 _PLYReader_();
104
105 std::string get_description() const { return "PLY polygon file format"; }
106 std::string get_extensions() const { return "ply"; }
107 std::string get_magic() const { return "PLY"; }
108
109 bool read(const std::string& _filename,
110 BaseImporter& _bi,
111 Options& _opt);
112
113 bool read(std::istream& _is,
114 BaseImporter& _bi,
115 Options& _opt);
116
117 bool can_u_read(const std::string& _filename) const;
118
119 enum ValueType {
120 Unsupported,
121 ValueTypeINT8, ValueTypeCHAR,
122 ValueTypeUINT8, ValueTypeUCHAR,
123 ValueTypeINT16, ValueTypeSHORT,
124 ValueTypeUINT16, ValueTypeUSHORT,
125 ValueTypeINT32, ValueTypeINT,
126 ValueTypeUINT32, ValueTypeUINT,
127 ValueTypeFLOAT32, ValueTypeFLOAT,
128 ValueTypeFLOAT64, ValueTypeDOUBLE
129 };
130
131private:
132
133 bool can_u_read(std::istream& _is) const;
134
135 bool read_ascii(std::istream& _in, BaseImporter& _bi, const Options& _opt) const;
136 bool read_binary(std::istream& _in, BaseImporter& _bi, bool swap, const Options& _opt) const;
137
138 float readToFloatValue(ValueType _type , std::fstream& _in) const;
139
140 void readValue(ValueType _type , std::istream& _in, float& _value) const;
141 void readValue(ValueType _type , std::istream& _in, double& _value) const;
142 void readValue(ValueType _type , std::istream& _in, unsigned int& _value) const;
143 void readValue(ValueType _type , std::istream& _in, unsigned short& _value) const;
144 void readValue(ValueType _type , std::istream& _in, unsigned char& _value) const;
145 void readValue(ValueType _type , std::istream& _in, int& _value) const;
146 void readValue(ValueType _type , std::istream& _in, short& _value) const;
147 void readValue(ValueType _type , std::istream& _in, signed char& _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 template<typename T>
197 inline void read(_PLYReader_::ValueType _type, std::istream& _in, T& _value, OpenMesh::GenProg::TrueType /*_binary*/) const
198 {
199 readValue(_type, _in, _value);
200 }
201
202 template<typename T>
203 inline void read(_PLYReader_::ValueType _type, std::istream& _in, T& _value, OpenMesh::GenProg::FalseType /*_binary*/) const
204 {
205 _in >> _value;
206 }
207
208 //read and assign custom properties with the given type. Also creates property, if not exist
209 template<bool binary, typename T, typename Handle>
210 void readCreateCustomProperty(std::istream& _in, BaseImporter& _bi, Handle _h, const std::string& _propName, const ValueType _valueType, const ValueType _listType) const;
211
212 template<bool binary, typename Handle>
213 void readCustomProperty(std::istream& _in, BaseImporter& _bi, Handle _h, const std::string& _propName, const _PLYReader_::ValueType _valueType, const _PLYReader_::ValueType _listIndexType) const;
214};
215
216
217//== TYPE DEFINITION ==========================================================
218
219
221extern _PLYReader_ __PLYReaderInstance;
222OPENMESHDLLEXPORT _PLYReader_& PLYReader();
223
224
225//=============================================================================
226} // namespace IO
227} // namespace OpenMesh
228//=============================================================================
229#endif
230//=============================================================================
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:64
_PLYReader_ __PLYReaderInstance
Declare the single entity of the PLY reader.
Definition: PLYReader.cc:79
Base class for importer modules.
Definition: BaseImporter.hh:89
Set options for reader/writer modules.
Definition: Options.hh:96
Base class for reader modules.
Definition: BaseReader.hh:95
Implementation of the PLY format reader.
Definition: PLYReader.hh:100
std::string get_extensions() const
Returns a string with the accepted file extensions separated by a whitespace and in small caps.
Definition: PLYReader.hh:106
std::string get_magic() const
Return magic bits used to determine file format.
Definition: PLYReader.hh:107
std::string get_description() const
Returns a brief description of the file type that can be parsed.
Definition: PLYReader.hh:105

Project OpenMesh, ©  Computer Graphics Group, RWTH Aachen. Documentation generated using doxygen .