PLYReader.hh 6.17 KB
Newer Older
Jan Möbius's avatar
Jan Möbius committed
1
2
3
/*===========================================================================*\
 *                                                                           *
 *                               OpenMesh                                    *
4
 *      Copyright (C) 2001-2009 by Computer Graphics Group, RWTH Aachen      *
Jan Möbius's avatar
Jan Möbius committed
5
6
 *                           www.openmesh.org                                *
 *                                                                           *
Mike Kremer's avatar
Mike Kremer committed
7
 *---------------------------------------------------------------------------*
8
 *  This file is part of OpenMesh.                                           *
Jan Möbius's avatar
Jan Möbius committed
9
 *                                                                           *
Mike Kremer's avatar
Mike Kremer committed
10
 *  OpenMesh is free software: you can redistribute it and/or modify         *
11
12
13
14
 *  it under the terms of the GNU Lesser General Public License as           *
 *  published by the Free Software Foundation, either version 3 of           *
 *  the License, or (at your option) any later version with the              *
 *  following exceptions:                                                    *
Jan Möbius's avatar
Jan Möbius committed
15
 *                                                                           *
16
17
18
19
20
21
22
 *  If other files instantiate templates or use macros                       *
 *  or inline functions from this file, or you compile this file and         *
 *  link it with other files to produce an executable, this file does        *
 *  not by itself cause the resulting executable to be covered by the        *
 *  GNU Lesser General Public License. This exception does not however       *
 *  invalidate any other reasons why the executable file might be            *
 *  covered by the GNU Lesser General Public License.                        *
Jan Möbius's avatar
Jan Möbius committed
23
 *                                                                           *
24
25
26
27
 *  OpenMesh is distributed in the hope that it will be useful,              *
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of           *
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the            *
 *  GNU Lesser General Public License for more details.                      *
Jan Möbius's avatar
Jan Möbius committed
28
 *                                                                           *
29
30
31
32
 *  You should have received a copy of the GNU LesserGeneral Public          *
 *  License along with OpenMesh.  If not,                                    *
 *  see <http://www.gnu.org/licenses/>.                                      *
 *                                                                           *
Mike Kremer's avatar
Mike Kremer committed
33
\*===========================================================================*/
34
35

/*===========================================================================*\
Mike Kremer's avatar
Mike Kremer committed
36
 *                                                                           *
37
38
 *   $Revision$                                                         *
 *   $Date$                   *
Jan Möbius's avatar
Jan Möbius committed
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
 *                                                                           *
\*===========================================================================*/


//=============================================================================
//
//  Implements a reader module for OFF files
//
//=============================================================================


#ifndef __PLYREADER_HH__
#define __PLYREADER_HH__


//=== INCLUDES ================================================================


#include <iostream>
#include <string>
#include <stdio.h>
#include <fstream>

#include <OpenMesh/Core/System/config.h>
#include <OpenMesh/Core/Utils/SingletonT.hh>
#include <OpenMesh/Core/IO/reader/BaseReader.hh>

#ifndef WIN32
#include <string.h>
#endif

//== NAMESPACES ===============================================================


namespace OpenMesh {
namespace IO {


//== FORWARDS =================================================================


class BaseImporter;


//== IMPLEMENTATION ===========================================================


/**
    Implementation of the PLY format reader. This class is singleton'ed by
    SingletonT to OFFReader.

*/

class _PLYReader_ : public BaseReader
{
public:

  _PLYReader_();

  std::string get_description() const { return "PLY polygon file format"; }
  std::string get_extensions()  const { return "ply"; }
  std::string get_magic()       const { return "PLY"; }

  bool read(const std::string& _filename,
	    BaseImporter& _bi,
	    Options& _opt);

  bool can_u_read(const std::string& _filename) const;

  enum ValueType {
    Unsupported ,
    ValueTypeFLOAT32, ValueTypeFLOAT,
    ValueTypeUINT8, ValueTypeINT32, ValueTypeINT ,
    ValueTypeUCHAR
  };

private:

  bool can_u_read(std::istream& _is) const;

  bool read(std::fstream& _in, BaseImporter& _bi, Options& _opt ) const;
  bool read_ascii(std::fstream& _in, BaseImporter& _bi) const;
  bool read_binary(std::fstream& _in, BaseImporter& _bi, bool swap) const;

  float readToFloatValue(ValueType _type , std::fstream& _in) const;

  void readValue(ValueType _type , std::fstream& _in, float& _value) const;
  void readValue(ValueType _type , std::fstream& _in, unsigned int& _value) const;
  void readValue(ValueType _type , std::fstream& _in, int& _value) const;

  //available options for reading
  mutable Options options_;
  //options that the user wants to read
  mutable Options userOptions_;

  mutable unsigned int vertexCount_;
  mutable unsigned int faceCount_;

  mutable ValueType vertexType_;
  mutable uint vertexDimension_;

  mutable ValueType faceIndexType_;
  mutable ValueType faceEntryType_;

  enum VertexProperty {
    XCOORD,YCOORD,ZCOORD,
    TEXX,TEXY,
Mike Kremer's avatar
Mike Kremer committed
146
147
    COLORRED,COLORGREEN,COLORBLUE,COLORALPHA,
    UNSUPPORTED
Jan Möbius's avatar
Jan Möbius committed
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
  };


  // number of vertex properties
  mutable unsigned int vertexPropertyCount_;
  mutable std::map< int , std::pair< VertexProperty, ValueType> > vertexPropertyMap_;

};


//== TYPE DEFINITION ==========================================================


/// Declare the single entity of the PLY reader
extern _PLYReader_  __PLYReaderInstance;
_PLYReader_&  PLYReader();


//=============================================================================
} // namespace IO
} // namespace OpenMesh
//=============================================================================
#endif
//=============================================================================