STLReader.hh 5.45 KB
Newer Older
Jan Möbius's avatar
Jan Möbius committed
1
2
3
/*===========================================================================*\
 *                                                                           *
 *                               OpenMesh                                    *
Jan Möbius's avatar
Jan Möbius committed
4
 *      Copyright (C) 2001-2011 by Computer Graphics Group, RWTH Aachen      *
Jan Möbius's avatar
Jan Möbius committed
5
6
 *                           www.openmesh.org                                *
 *                                                                           *
7
 *---------------------------------------------------------------------------*
8
 *  This file is part of OpenMesh.                                           *
Jan Möbius's avatar
Jan Möbius committed
9
 *                                                                           *
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/>.                                      *
 *                                                                           *
33
\*===========================================================================*/
34
35

/*===========================================================================*\
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
 *                                                                           *
\*===========================================================================*/


//=============================================================================
//
//  Implements an reader module for STL files
//
//=============================================================================


#ifndef __STLREADER_HH__
#define __STLREADER_HH__


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


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

#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 ===========================================================


82
83
/**
    Implementation of the STL format reader. This class is singleton'ed by
Jan Möbius's avatar
Jan Möbius committed
84
85
    SingletonT to STLReader.
*/
86
class OPENMESHDLLEXPORT _STLReader_ : public BaseReader
Jan Möbius's avatar
Jan Möbius committed
87
88
89
90
91
92
{
public:

  // constructor
  _STLReader_();

93
94
95
  /// Destructor
  virtual ~_STLReader_() {};

Jan Möbius's avatar
Jan Möbius committed
96

97
  std::string get_description() const
Jan Möbius's avatar
Jan Möbius committed
98
99
100
  { return "Stereolithography Interface Format"; }
  std::string get_extensions() const { return "stl stla stlb"; }

101
  bool read(const std::string& _filename,
Jan Möbius's avatar
Jan Möbius committed
102
103
104
	    BaseImporter& _bi,
            Options& _opt);

105
106
107
  bool read(std::istream& _in,
		    BaseImporter& _bi,
            Options& _opt);
Jan Möbius's avatar
Jan Möbius committed
108
109
110
111
112
113
114
115
116

  /** Set the threshold to be used for considering two point to be equal.
      Can be used to merge small gaps */
  void set_epsilon(float _eps) { eps_=_eps; }

  /// Returns the threshold to be used for considering two point to be equal.
  float epsilon() const { return eps_; }


117

Jan Möbius's avatar
Jan Möbius committed
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
private:

  enum STL_Type { STLA, STLB, NONE };
  STL_Type check_stl_type(const std::string& _filename) const;

  bool read_stla(const std::string& _filename, BaseImporter& _bi) const;
  bool read_stlb(const std::string& _filename, BaseImporter& _bi) const;


private:

  float eps_;
};


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


/// Declare the single entity of the STL reader
extern _STLReader_  __STLReaderInstance;
Mike Kremer's avatar
Mike Kremer committed
138
OPENMESHDLLEXPORT _STLReader_&  STLReader();
Jan Möbius's avatar
Jan Möbius committed
139
140
141
142
143
144
145
146


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