libopenraw
ifdfilecontainer.hpp
1/*
2 * libopenraw - ifdfilecontainer.h
3 *
4 * Copyright (C) 2005-2016 Hubert Figuiere
5 *
6 * This library is free software: you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public License
8 * as published by the Free Software Foundation, either version 3 of
9 * the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library. If not, see
18 * <http://www.gnu.org/licenses/>.
19 */
20
27
28
29#ifndef OR_INTERNALS_IFDFILECONTAINER_H_
30#define OR_INTERNALS_IFDFILECONTAINER_H_
31
32#include <stddef.h>
33#include <stdint.h>
34#include <sys/types.h>
35#include <vector>
36
37#include <libopenraw/consts.h>
38
39#include "rawcontainer.hpp"
40#include "ifddir.hpp"
41#include "io/stream.hpp"
42
43namespace OpenRaw {
44namespace Internals {
45
46
48 : public RawContainer
49{
50public:
56 IfdFileContainer(const IO::Stream::Ptr &file,
57 off_t offset);
59 virtual ~IfdFileContainer();
60
65 enum {
66 IFD_NONE = -1,
67 IFD_EXIF = -2,
68 IFD_GPS = -3,
70 };
71
81 virtual EndianType isMagicHeader(const char *p, int len);
82
89 IfdDir::Ref setDirectory(int dir);
95 int countDirectories(void);
99 std::vector<IfdDir::Ref> & directories();
100
107
112 size_t getDirectoryDataSize();
113
114
119 int lastError() const
120 {
121 return m_error;
122 }
123
130 {
131 return m_exif_offset_correction;
132 }
133
136 {
137 m_exif_offset_correction = corr;
138 }
139
145 ::or_error locateImageData(const IfdDir::Ref& dir, uint32_t& x, uint32_t& y,
146 ::or_data_type& t);
147
148protected:
150 virtual bool locateDirsPreHook();
151private:
152 int m_error;
153 int m_exif_offset_correction;
154
155 IfdDir::Ref m_current_dir;
156 std::vector<IfdDir::Ref> m_dirs;
157
158 bool _locateDirs();
159};
160
161}
162}
163
164#endif
165/*
166 Local Variables:
167 mode:c++
168 c-file-style:"stroustrup"
169 c-file-offsets:((innamespace . 0))
170 tab-width:2
171 c-basic-offset:2
172 indent-tabs-mode:nil
173 fill-column:80
174 End:
175*/
std::vector< IfdDir::Ref > & directories()
virtual EndianType isMagicHeader(const char *p, int len)
IfdFileContainer(const IO::Stream::Ptr &file, off_t offset)
::or_error locateImageData(const IfdDir::Ref &dir, uint32_t &x, uint32_t &y, ::or_data_type &t)
RawContainer(const IO::Stream::Ptr &_file, off_t offset)
CIFF is the container for CRW files. It is an attempt from Canon to make this a standard....
Definition arwfile.cpp:30