/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
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#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/AnimationFrame.hxx>

#define ANIMATION_TIMEOUT_ON_CLICK 2147483647L

class AnimationRenderer;
struct AnimationData;

class VCL_DLLPUBLIC Animation
{
public:
    Animation();
    Animation(const Animation& rAnimation);
    ~Animation();

    SAL_DLLPRIVATE Animation& operator=(const Animation& rAnimation);
    SAL_DLLPRIVATE bool operator==(const Animation& rAnimation) const;
    bool operator!=(const Animation& rAnimation) const { return !(*this == rAnimation); }

    void Clear();

    SAL_DLLPRIVATE bool Start(OutputDevice& rOutDev, const Point& rDestPt, const Size& rDestSz,
                              tools::Long nRendererId, OutputDevice* pFirstFrameOutDev);

    SAL_DLLPRIVATE void Stop(const OutputDevice* pOutDev = nullptr, tools::Long nRendererId = 0);

    SAL_DLLPRIVATE void Draw(OutputDevice& rOutDev, const Point& rDestPt) const;
    SAL_DLLPRIVATE void Draw(OutputDevice& rOutDev, const Point& rDestPt,
                             const Size& rDestSz) const;

    bool IsInAnimation() const { return mbIsInAnimation; }
    SAL_DLLPRIVATE 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);
    SAL_DLLPRIVATE void ResetLoopCount();

    void SetNotifyHdl(const Link<Animation*, void>& rLink) { maNotifyLink = rLink; }
    const Link<Animation*, void>& GetNotifyHdl() const { return maNotifyLink; }

    std::vector<std::unique_ptr<AnimationFrame>>& GetAnimationFrames() { return maFrames; }
    size_t Count() const { return maFrames.size(); }
    bool Insert(const AnimationFrame& rAnimationFrame);
    const AnimationFrame& Get(sal_uInt16 nAnimation) const;
    void Replace(const AnimationFrame& rNewAnimationBmp, sal_uInt16 nAnimation);

    SAL_DLLPRIVATE sal_uLong GetSizeBytes() const;
    SAL_DLLPRIVATE BitmapChecksum GetChecksum() const;

public:
    SAL_DLLPRIVATE void Convert(BmpConversion eConversion);
    bool ReduceColors(sal_uInt16 nNewColorCount);

    bool Invert();
    SAL_DLLPRIVATE void Mirror(BmpMirrorFlags nMirrorFlags);
    SAL_DLLPRIVATE 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() { gAnimationRendererCount++; }
    SAL_DLLPRIVATE static void ImplDecAnimCount() { gAnimationRendererCount--; }
    SAL_DLLPRIVATE sal_uLong ImplGetCurPos() const { return mnFrameIndex; }

private:
    SAL_DLLPRIVATE static sal_uLong gAnimationRendererCount;

    std::vector<std::unique_ptr<AnimationFrame>> maFrames;
    std::vector<std::unique_ptr<AnimationRenderer>> maRenderers;

    Link<Animation*, void> maNotifyLink;
    BitmapEx maBitmapEx;
    Timer maTimer;
    Size maGlobalSize;
    sal_uInt32 mnLoopCount;
    sal_uInt32 mnLoops;
    size_t mnFrameIndex;
    bool mbIsInAnimation;
    bool mbLoopTerminated;

    SAL_DLLPRIVATE std::vector<std::unique_ptr<AnimationData>> CreateAnimationDataItems();
    SAL_DLLPRIVATE void PopulateRenderers();
    SAL_DLLPRIVATE void RenderNextFrameInAllRenderers();
    SAL_DLLPRIVATE void PruneMarkedRenderers();
    SAL_DLLPRIVATE bool IsAnyRendererActive();

    SAL_DLLPRIVATE void ImplRestartTimer(sal_uLong nTimeout);
    DECL_DLLPRIVATE_LINK(ImplTimeoutHdl, Timer*, void);
};

#endif // INCLUDED_VCL_ANIMATE_ANIMATION_HXX

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