libopenraw
arwfile.hpp
1 /* -*- Mode: C++ -*- */
2 /*
3  * libopenraw - arwfile.h
4  *
5  * Copyright (C) 2006-2016 Hubert Figuiere
6  *
7  * This library is free software: you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public License
9  * as published by the Free Software Foundation, either version 3 of
10  * the License, or (at your option) any later version.
11  *
12  * This library is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with this library. If not, see
19  * <http://www.gnu.org/licenses/>.
20  */
21 
22 #ifndef OR_INTERNALS_ARWFILE_H_
23 #define OR_INTERNALS_ARWFILE_H_
24 
25 #include <libopenraw/cameraids.h>
26 #include <libopenraw/consts.h>
27 
28 #include "rawfile.hpp"
29 #include "io/stream.hpp"
30 #include "ifddir.hpp"
31 #include "ifdfile.hpp"
32 #include "tiffepfile.hpp"
33 
34 namespace OpenRaw {
35 
36 class RawData;
37 
38 namespace Internals {
39 
40 class ArwFile
41  : public TiffEpFile
42 {
43 public:
44  static RawFile *factory(const IO::Stream::Ptr & s);
45  ArwFile(const IO::Stream::Ptr & s);
46  virtual ~ArwFile();
47 
48  ArwFile(const ArwFile&) = delete;
49  ArwFile & operator=(const ArwFile&) = delete;
50 
51  // this is the value for "compression" for ARW
52  enum {
53  ARW_RAW_COMPRESSION = 32767
54  };
55 
56 protected:
57  virtual IfdDir::Ref _locateCfaIfd() override;
58  virtual IfdDir::Ref _locateMainIfd() override;
59 
60  virtual ::or_error _getRawData(RawData & data, uint32_t options) override;
61 private:
62  // first version of ARW. Different from the rest.
63  bool isA100()
64  {
65  return typeId() == OR_MAKE_FILE_TYPEID(OR_TYPEID_VENDOR_SONY,
66  OR_TYPEID_SONY_A100);
67  }
68 
69  static const IfdFile::camera_ids_t s_def[];
70 };
71 
72 }
73 }
74 
75 #endif
CIFF is the container for CRW files. It is an attempt from Canon to make this a standard. I guess it failed.
Definition: arwfile.cpp:30
virtual ::or_error _getRawData(RawData &data, uint32_t options) override
Definition: arwfile.cpp:228
TypeId typeId()
Definition: rawfile.cpp:332