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diff --git a/include/vcl/animate/Animation.hxx b/include/vcl/animate/Animation.hxx
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+++ b/include/vcl/animate/Animation.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 INCLUDED_VCL_ANIMATE_ANIMATION_HXX
+#define INCLUDED_VCL_ANIMATE_ANIMATION_HXX
+
+#include <tools/solar.h>
+#include <vcl/dllapi.h>
+#include <vcl/timer.hxx>
+#include <vcl/animate/AnimationBitmap.hxx>
+
+#define ANIMATION_TIMEOUT_ON_CLICK 2147483647L
+
+class ImplAnimView;
+
+class VCL_DLLPUBLIC Animation
+{
+public:
+    Animation();
+    Animation(const Animation& rAnimation);
+    ~Animation();
+
+    Animation& operator=(const Animation& rAnimation);
+    bool operator==(const Animation& rAnimation) const;
+    bool operator!=(const Animation& rAnimation) const { return !(*this == rAnimation); }
+
+    void Clear();
+
+    bool Start(OutputDevice& rOutDev, const Point& rDestPt, const Size& rDestSz,
+               tools::Long nExtraData, OutputDevice* pFirstFrameOutDev);
+
+    void Stop(const OutputDevice* pOutDev = nullptr, tools::Long nExtraData = 0);
+
+    void Draw(OutputDevice& rOutDev, const Point& rDestPt) const;
+    void Draw(OutputDevice& rOutDev, const Point& rDestPt, const Size& rDestSz) const;
+
+    bool IsInAnimation() const { return mbIsInAnimation; }
+    bool IsTransparent() const;
+
+    const Size& GetDisplaySizePixel() const { return maGlobalSize; }
+    void SetDisplaySizePixel(const Size& rSize) { maGlobalSize = rSize; }
+
+    const BitmapEx& GetBitmapEx() const { return maBitmapEx; }
+    void SetBitmapEx(const BitmapEx& rBmpEx) { maBitmapEx = rBmpEx; }
+
+    sal_uInt32 GetLoopCount() const { return mnLoopCount; }
+    void SetLoopCount(const sal_uInt32 nLoopCount);
+    void ResetLoopCount();
+
+    void SetNotifyHdl(const Link<Animation*, void>& rLink) { maNotifyLink = rLink; }
+    const Link<Animation*, void>& GetNotifyHdl() const { return maNotifyLink; }
+
+    std::vector<std::unique_ptr<AnimationBitmap>>& GetAnimationFrames() { return maList; }
+    size_t Count() const { return maList.size(); }
+    bool Insert(const AnimationBitmap& rAnimationBitmap);
+    const AnimationBitmap& Get(sal_uInt16 nAnimation) const;
+    void Replace(const AnimationBitmap& rNewAnimationBmp, sal_uInt16 nAnimation);
+
+    sal_uLong GetSizeBytes() const;
+    BitmapChecksum GetChecksum() const;
+
+public:
+    void Convert(BmpConversion eConversion);
+    bool ReduceColors(sal_uInt16 nNewColorCount);
+
+    bool Invert();
+    void Mirror(BmpMirrorFlags nMirrorFlags);
+    void Adjust(short nLuminancePercent, short nContrastPercent, short nChannelRPercent,
+                short nChannelGPercent, short nChannelBPercent, double fGamma = 1.0,
+                bool bInvert = false);
+
+    friend SvStream& ReadAnimation(SvStream& rIStream, Animation& rAnimation);
+    friend SvStream& WriteAnimation(SvStream& rOStream, const Animation& rAnimation);
+
+public:
+    SAL_DLLPRIVATE static void ImplIncAnimCount() { mnAnimCount++; }
+    SAL_DLLPRIVATE static void ImplDecAnimCount() { mnAnimCount--; }
+    SAL_DLLPRIVATE sal_uLong ImplGetCurPos() const { return mnPos; }
+
+private:
+    SAL_DLLPRIVATE static sal_uLong mnAnimCount;
+
+    std::vector<std::unique_ptr<AnimationBitmap>> maList;
+    std::vector<std::unique_ptr<ImplAnimView>> maViewList;
+
+    Link<Animation*, void> maNotifyLink;
+    BitmapEx maBitmapEx;
+    Timer maTimer;
+    Size maGlobalSize;
+    sal_uInt32 mnLoopCount;
+    sal_uInt32 mnLoops;
+    size_t mnPos;
+    bool mbIsInAnimation;
+    bool mbLoopTerminated;
+
+    SAL_DLLPRIVATE void ImplRestartTimer(sal_uLong nTimeout);
+    DECL_DLLPRIVATE_LINK(ImplTimeoutHdl, Timer*, void);
+};
+
+#endif // INCLUDED_VCL_ANIMATE_ANIMATION_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */