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             : #include <vcl/GraphicNativeMetadata.hxx>
      21             : 
      22             : #include <vcl/gfxlink.hxx>
      23             : 
      24             : #include "jpeg/Exif.hxx"
      25             : 
      26           0 : GraphicNativeMetadata::GraphicNativeMetadata() :
      27           0 :     mRotation(0)
      28           0 : {}
      29             : 
      30           0 : GraphicNativeMetadata::~GraphicNativeMetadata()
      31           0 : {}
      32             : 
      33           0 : sal_uInt16 GraphicNativeMetadata::getRotation()
      34             : {
      35           0 :     return mRotation;
      36             : }
      37             : 
      38           0 : bool GraphicNativeMetadata::read(Graphic& rGraphic)
      39             : {
      40           0 :     GfxLink aLink = rGraphic.GetLink();
      41           0 :     if ( aLink.GetType() != GFX_LINK_TYPE_NATIVE_JPG )
      42           0 :         return false;
      43           0 :     sal_uInt32 aDataSize = aLink.GetDataSize();
      44           0 :     sal_uInt8* aBuffer = new sal_uInt8[aDataSize];
      45             : 
      46           0 :     memcpy(aBuffer, aLink.GetData(), aDataSize);
      47           0 :     SvMemoryStream aMemoryStream(aBuffer, aDataSize, STREAM_READ);
      48             : 
      49           0 :     Exif aExif;
      50           0 :     aExif.read(aMemoryStream);
      51           0 :     mRotation = aExif.getRotation();
      52             : 
      53           0 :     delete[] aBuffer;
      54           0 :     return true;
      55         465 : }
      56             : 
      57             : 
      58             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */