Line data    Source code

       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             :     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: */