OpenMesh
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Modules Pages
PLYReader.hh
1 /*===========================================================================*\
2  * *
3  * OpenMesh *
4  * Copyright (C) 2001-2015 by Computer Graphics Group, RWTH Aachen *
5  * www.openmesh.org *
6  * *
7  *---------------------------------------------------------------------------*
8  * This file is part of OpenMesh. *
9  * *
10  * OpenMesh is free software: you can redistribute it and/or modify *
11  * it under the terms of the GNU Lesser General Public License as *
12  * published by the Free Software Foundation, either version 3 of *
13  * the License, or (at your option) any later version with the *
14  * following exceptions: *
15  * *
16  * If other files instantiate templates or use macros *
17  * or inline functions from this file, or you compile this file and *
18  * link it with other files to produce an executable, this file does *
19  * not by itself cause the resulting executable to be covered by the *
20  * GNU Lesser General Public License. This exception does not however *
21  * invalidate any other reasons why the executable file might be *
22  * covered by the GNU Lesser General Public License. *
23  * *
24  * OpenMesh is distributed in the hope that it will be useful, *
25  * but WITHOUT ANY WARRANTY; without even the implied warranty of *
26  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
27  * GNU Lesser General Public License for more details. *
28  * *
29  * You should have received a copy of the GNU LesserGeneral Public *
30  * License along with OpenMesh. If not, *
31  * see <http://www.gnu.org/licenses/>. *
32  * *
33 \*===========================================================================*/
34 
35 /*===========================================================================*\
36  * *
37  * $Revision: 1188 $ *
38  * $Date: 2015-01-05 16:34:10 +0100 (Mo, 05 Jan 2015) $ *
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  void readCustomProperty(std::istream& _in, BaseImporter& _bi, VertexHandle _vh, const std::string& _propName, const ValueType _valueType) const;
133 
134  void readValue(ValueType _type , std::istream& _in, float& _value) const;
135  void readValue(ValueType _type, std::istream& _in, double& _value) const;
136  void readValue(ValueType _type , std::istream& _in, unsigned int& _value) const;
137  void readValue(ValueType _type , std::istream& _in, int& _value) const;
138 
139  void readInteger(ValueType _type, std::istream& _in, int& _value) const;
140  void readInteger(ValueType _type, std::istream& _in, unsigned int& _value) const;
141 
143  void consume_input(std::istream& _in, int _count) const {
144  _in.read(reinterpret_cast<char*>(&buff[0]), _count);
145  }
146 
147  mutable unsigned char buff[8];
148 
150  mutable Options options_;
151 
153  mutable Options userOptions_;
154 
155  mutable unsigned int vertexCount_;
156  mutable unsigned int faceCount_;
157 
158  mutable ValueType vertexType_;
159  mutable uint vertexDimension_;
160 
161  mutable ValueType faceIndexType_;
162  mutable ValueType faceEntryType_;
163 
164  enum VertexProperty {
165  XCOORD,YCOORD,ZCOORD,
166  TEXX,TEXY,
167  COLORRED,COLORGREEN,COLORBLUE,COLORALPHA,
168  XNORM,YNORM,ZNORM, CUSTOM_PROP,
169  UNSUPPORTED
170  };
171 
173  mutable std::map<ValueType, int> scalar_size_;
174 
175  // Number of vertex properties
176  mutable unsigned int vertexPropertyCount_;
177  struct VertexPropertyInfo
178  {
179  VertexProperty property;
180  ValueType value;
181  std::string name;//for custom properties
182  VertexPropertyInfo():property(UNSUPPORTED),value(Unsupported),name(""){}
183  VertexPropertyInfo(VertexProperty _p, ValueType _v):property(_p),value(_v),name(""){}
184  VertexPropertyInfo(VertexProperty _p, ValueType _v, const std::string& _n):property(_p),value(_v),name(_n){}
185  };
186  mutable std::map< int , VertexPropertyInfo > vertexPropertyMap_;
187 
188 };
189 
190 
191 //== TYPE DEFINITION ==========================================================
192 
193 
195 extern _PLYReader_ __PLYReaderInstance;
196 OPENMESHDLLEXPORT _PLYReader_& PLYReader();
197 
198 
199 //=============================================================================
200 } // namespace IO
201 } // namespace OpenMesh
202 //=============================================================================
203 #endif
204 //=============================================================================
Implementation of the PLY format reader.
Definition: PLYReader.hh:92
std::string get_magic() const
Return magic bits used to determine file format.
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:99
Handle for a vertex entity.
Definition: Handles.hh:114
_PLYReader_ __PLYReaderInstance
Declare the single entity of the PLY reader.
Definition: PLYReader.cc:74
std::string get_description() const
Returns a brief description of the file type that can be parsed.
Definition: PLYReader.hh:98
Set options for reader/writer modules.
Definition: Options.hh:88
Base class for importer modules.
Definition: BaseImporter.hh:81
Base class for reader modules.
Definition: BaseReader.hh:86
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:56

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