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Diffstat (limited to 'vcl/source/filter/GraphicNativeMetadata.cxx')
-rw-r--r-- | vcl/source/filter/GraphicNativeMetadata.cxx | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/vcl/source/filter/GraphicNativeMetadata.cxx b/vcl/source/filter/GraphicNativeMetadata.cxx new file mode 100644 index 000000000..5b11fcc78 --- /dev/null +++ b/vcl/source/filter/GraphicNativeMetadata.cxx @@ -0,0 +1,59 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <vcl/GraphicNativeMetadata.hxx> +#include <vcl/gfxlink.hxx> +#include "jpeg/Exif.hxx" +#include <memory> + +GraphicNativeMetadata::GraphicNativeMetadata() + : mRotation(0) +{ +} + +bool GraphicNativeMetadata::read(Graphic const& rGraphic) +{ + GfxLink aLink = rGraphic.GetGfxLink(); + if (aLink.GetType() != GfxLinkType::NativeJpg) + return false; + + sal_uInt32 aDataSize = aLink.GetDataSize(); + if (!aDataSize) + return false; + + std::unique_ptr<sal_uInt8[]> aBuffer(new sal_uInt8[aDataSize]); + + memcpy(aBuffer.get(), aLink.GetData(), aDataSize); + SvMemoryStream aMemoryStream(aBuffer.get(), aDataSize, StreamMode::READ); + + read(aMemoryStream); + + return true; +} + +bool GraphicNativeMetadata::read(SvStream& rStream) +{ + Exif aExif; + aExif.read(rStream); + mRotation = aExif.getRotation(); + + return true; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |