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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #ifndef INCLUDED_VCL_SOURCE_FILTER_JPEG_EXIF_HXX
21 : #define INCLUDED_VCL_SOURCE_FILTER_JPEG_EXIF_HXX
22 :
23 : #include <osl/endian.h>
24 : #include <vcl/graph.hxx>
25 : #include <vcl/fltcall.hxx>
26 : #include <com/sun/star/uno/Sequence.h>
27 : #include <com/sun/star/beans/PropertyValue.hpp>
28 : #include <com/sun/star/task/XStatusIndicator.hpp>
29 :
30 : enum Orientation {
31 : TOP_LEFT = 1,
32 : TOP_RIGHT = 2,
33 : BOTTOM_RIGHT = 3,
34 : BOTTOM_LEFT = 4,
35 : LEFT_TOP = 5,
36 : RIGHT_TOP = 6,
37 : RIGHT_BOTTOM = 7,
38 : LEFT_BOTTOM = 8
39 : };
40 :
41 : enum Tag {
42 : ORIENTATION = 0x0112,
43 : X_RESOLUTION = 0x011a,
44 : Y_RESOLUTION = 0x011b,
45 : EXIF_OFFSET = 0x8769,
46 : INTEROP_OFFSET = 0xa005
47 : };
48 :
49 : class Exif
50 : {
51 : private:
52 : Orientation maOrientation;
53 : bool mbExifPresent;
54 :
55 : bool processJpeg(SvStream& rStream, bool bSetValue);
56 : bool processExif(SvStream& rStream, sal_uInt16 aLength, bool bSetValue);
57 : bool processIFD(sal_uInt8* pExifData, sal_uInt16 aLength, sal_uInt16 aOffset, sal_uInt16 aNumberOfTags, bool bSetValue, bool bMoto);
58 :
59 : struct ExifIFD {
60 : sal_uInt16 tag;
61 : sal_uInt16 type;
62 : sal_uInt32 count;
63 : sal_uInt32 offset;
64 : };
65 :
66 : struct TiffHeader {
67 : sal_uInt16 byteOrder;
68 : sal_uInt16 tagAlign;
69 : sal_uInt32 offset;
70 : };
71 :
72 : static Orientation convertToOrientation(sal_Int32 value);
73 :
74 : public :
75 : Exif();
76 : virtual ~Exif();
77 :
78 0 : bool hasExif() { return mbExifPresent;}
79 :
80 0 : Orientation getOrientation() { return maOrientation;}
81 : sal_Int32 getRotation();
82 :
83 : void setOrientation(Orientation orientation);
84 :
85 : bool read(SvStream& rStream);
86 : bool write(SvStream& rStream);
87 :
88 : };
89 :
90 : #endif // INCLUDED_VCL_SOURCE_FILTER_JPEG_EXIF_HXX
91 :
92 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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