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: */