OpenMesh: OpenMesh/Core/IO/reader/OFFReader.hh Source File

| OpenMesh

OFFReader.hh
1 /* ========================================================================= *
2 * *
3 * OpenMesh *
4 * Copyright (c) 2001-2015, RWTH-Aachen University *
5 * Department of Computer Graphics and Multimedia *
6 * All rights reserved. *
7 * www.openmesh.org *
8 * *
9 *---------------------------------------------------------------------------*
10 * This file is part of OpenMesh. *
11 *---------------------------------------------------------------------------*
12 * *
13 * Redistribution and use in source and binary forms, with or without *
14 * modification, are permitted provided that the following conditions *
15 * are met: *
16 * *
17 * 1. Redistributions of source code must retain the above copyright notice, *
18 * this list of conditions and the following disclaimer. *
19 * *
20 * 2. Redistributions in binary form must reproduce the above copyright *
21 * notice, this list of conditions and the following disclaimer in the *
22 * documentation and/or other materials provided with the distribution. *
23 * *
24 * 3. Neither the name of the copyright holder nor the names of its *
25 * contributors may be used to endorse or promote products derived from *
26 * this software without specific prior written permission. *
27 * *
28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS *
29 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED *
30 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *
31 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER *
32 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, *
33 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, *
34 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR *
35 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF *
36 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING *
37 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS *
38 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
39 * *
40 * ========================================================================= */
41
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 __OFFREADER_HH__
58 #define __OFFREADER_HH__
59
60
61 //=== INCLUDES ================================================================
62
63
64 #include <iosfwd>
65 #include <string>
66 #include <cstdio>
67
68 #include <OpenMesh/Core/System/config.h>
69 #include <OpenMesh/Core/Utils/SingletonT.hh>
70 #include <OpenMesh/Core/IO/reader/BaseReader.hh>
71
72
73 //== NAMESPACES ===============================================================
74
75
76 namespace OpenMesh {
77 namespace IO {
78
79
80 //== FORWARDS =================================================================
81
82
83 class BaseImporter;
84
85
86 //== IMPLEMENTATION ===========================================================
87
88
117 class OPENMESHDLLEXPORT _OFFReader_ : public BaseReader
118 {
119 public:
120
121 _OFFReader_();
122
124 virtual ~_OFFReader_() {};
125
126 std::string get_description() const { return "Object File Format"; }
127 std::string get_extensions() const { return "off"; }
128 std::string get_magic() const { return "OFF"; }
129
130 bool read(const std::string& _filename,
131 BaseImporter& _bi,
132 Options& _opt);
133
134 bool can_u_read(const std::string& _filename) const;
135
136 bool read(std::istream& _in, BaseImporter& _bi, Options& _opt );
137
138 private:
139
140 bool can_u_read(std::istream& _is) const;
141
142 bool read_ascii(std::istream& _in, BaseImporter& _bi, Options& _opt) const;
143 bool read_binary(std::istream& _in, BaseImporter& _bi, Options& _opt, bool swap) const;
144
145 void readValue(std::istream& _in, float& _value) const;
146 void readValue(std::istream& _in, int& _value) const;
147 void readValue(std::istream& _in, unsigned int& _value) const;
148
149 int getColorType(std::string & _line, bool _texCoordsAvailable) const;
150
151 //available options for reading
152 mutable Options options_;
153 //options that the user wants to read
154 mutable Options userOptions_;
155 };
156
157
158 //== TYPE DEFINITION ==========================================================
159
160
162 extern _OFFReader_ __OFFReaderInstance;
163 OPENMESHDLLEXPORT _OFFReader_& OFFReader();
164
165
166 //=============================================================================
167 } // namespace IO
168 } // namespace OpenMesh
169 //=============================================================================
170 #endif
171 //=============================================================================
OpenMesh::IO::BaseReader
Base class for reader modules.
Definition: BaseReader.hh:94
OpenMesh::IO::_OFFReader_::get_magic
std::string get_magic() const
Return magic bits used to determine file format.
Definition: OFFReader.hh:128
OpenMesh::IO::_OFFReader_::get_extensions
std::string get_extensions() const
Returns a string with the accepted file extensions separated by a whitespace and in small caps...
Definition: OFFReader.hh:127
OpenMesh::IO::_OFFReader_::~_OFFReader_
virtual ~_OFFReader_()
Destructor.
Definition: OFFReader.hh:124
OpenMesh
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:64
OpenMesh::IO::_OFFReader_::get_description
std::string get_description() const
Returns a brief description of the file type that can be parsed.
Definition: OFFReader.hh:126
OpenMesh::IO::__OFFReaderInstance
_OFFReader_ __OFFReaderInstance
Declare the single entity of the OFF reader.
Definition: OFFReader.cc:93
OpenMesh::IO::_OFFReader_
Implementation of the OFF format reader.
Definition: OFFReader.hh:117
OpenMesh::IO::Options
Set options for reader/writer modules.
Definition: Options.hh:95
OpenMesh::IO::BaseImporter
Base class for importer modules.
Definition: BaseImporter.hh:88