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diff --git a/include/vcl/pngread.hxx b/include/vcl/pngread.hxx
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+/* -*- 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 .
+ */
+
+#ifndef _SV_PNGREAD_HXX
+#define _SV_PNGREAD_HXX
+
+#include <vcl/dllapi.h>
+#include <vcl/bitmapex.hxx>
+#include <vector>
+
+// -------------
+// - PNGReader -
+// -------------
+
+namespace vcl
+{
+    class PNGReaderImpl;
+
+    class VCL_DLLPUBLIC PNGReader
+    {
+        PNGReaderImpl*          mpImpl;
+
+    public:
+
+        /* the PNG chunks are read within the c'tor, so the stream will
+        be positioned at the end of the PNG */
+        PNGReader( SvStream& rStm );
+        ~PNGReader();
+
+        /* an empty preview size hint (=default) will read the whole image
+        */
+        BitmapEx                        Read( const Size& i_rPreviewHint = Size() );
+
+        // retrieve every chunk that resides inside the PNG
+        struct ChunkData
+        {
+            sal_uInt32                  nType;
+            std::vector< sal_uInt8 >    aData;
+        };
+        const std::vector< ChunkData >& GetChunks() const;
+
+        void SetIgnoreGammaChunk( sal_Bool b );
+    };
+}
+
+#endif // _SV_PNGREAD_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */