/* -*- 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 .

 */

#pragma once

#include <memory>

#include <vcl/dllapi.h>

#include <tools/solar.h>

#include <tools/gen.hxx>

#include <tools/long.hxx>

#include <rtl/ustring.hxx>

#include <vcl/checksum.hxx>

enum class GraphicType

{

    NONE,

    Bitmap,

    GdiMetafile,

    Default

};

namespace com::sun::star::graphic { class XGraphic; }

namespace vcl { class Font; }

namespace basegfx { class B2DSize; }

namespace com::sun::star::uno { template <class interface_type> class Reference; }

template <typename Arg, typename Ret> class Link;

class Animation;

class Bitmap;

class GDIMetaFile;

class GfxLink;

class GraphicExternalLink;

class ImpGraphic;

class MapMode;

class OutputDevice;

class VectorGraphicData;

class SAL_WARN_UNUSED VCL_DLLPUBLIC GraphicConversionParameters

{

private:

    Size            maSizePixel;            // default is (0,0)

    bool            mbUnlimitedSize : 1;    // default is false

    bool            mbAntiAliase : 1;       // default is false

    bool            mbSnapHorVerLines : 1;  // default is false

public:

    GraphicConversionParameters(

        const Size& rSizePixel = Size(),

        bool bUnlimitedSize = false,

        bool bAntiAliase = false,

        bool bSnapHorVerLines = false)

    :   maSizePixel(rSizePixel),

        mbUnlimitedSize(bUnlimitedSize),

        mbAntiAliase(bAntiAliase),

        mbSnapHorVerLines(bSnapHorVerLines)

    {

    }

    // data read access

    const Size&     getSizePixel() const { return maSizePixel; }

    bool            getUnlimitedSize() const { return mbUnlimitedSize; }

    bool            getAntiAliase() const { return mbAntiAliase; }

    bool            getSnapHorVerLines() const { return mbSnapHorVerLines; }

};

class Image;

class VCL_DLLPUBLIC Graphic

{

private:

    std::shared_ptr<ImpGraphic> mxImpGraphic;

    SAL_DLLPRIVATE void ImplTestRefCount();

    basegfx::B2DSize GetPPUnit(const MapMode& unit) const;

public:

    SAL_DLLPRIVATE ImpGraphic* ImplGetImpGraphic() const { return mxImpGraphic.get(); }

    SAL_DLLPRIVATE std::shared_ptr<ImpGraphic> ImplGetSharedImpGraphic() const { return mxImpGraphic; }

                    Graphic();

    SAL_DLLPRIVATE  Graphic(std::shared_ptr<GfxLink> const & rGfxLink, sal_Int32 nPageIndex = 0);

                    Graphic( const GraphicExternalLink& rGraphicLink );

                    Graphic( const Graphic& rGraphic );

                    Graphic( Graphic&& rGraphic ) noexcept;

                    Graphic( const Image& rImage );

                    Graphic( const Bitmap& rBmp );

                    Graphic( const std::shared_ptr<VectorGraphicData>& rVectorGraphicDataPtr );

                    Graphic( const Animation& rAnimation );

                    Graphic( const GDIMetaFile& rMtf );

                    Graphic( const css::uno::Reference< css::graphic::XGraphic >& rxGraphic );

    Graphic&        operator=( const Graphic& rGraphic );

    Graphic&        operator=( Graphic&& rGraphic ) noexcept;

    bool            operator==( const Graphic& rGraphic ) const;

    bool            operator!=( const Graphic& rGraphic ) const;

    bool            IsNone() const;

    void            Clear();

    GraphicType     GetType() const;

    void            SetDefaultType();

    bool            IsSupportedGraphic() const;

    bool            IsTransparent() const;

    bool            IsAlpha() const;

    bool            IsAnimated() const;

    SAL_DLLPRIVATE bool IsEPS() const;

    bool isAvailable() const;

    bool makeAvailable();

    // #i102089# Access of Bitmap potentially will have to rasterconvert the Graphic

    // if it is a MetaFile. To be able to control this conversion it is necessary to

    // allow giving parameters which control AntiAliasing and LineSnapping of the

    // MetaFile when played. Defaults will use a no-AAed, not snapped conversion as

    // before.

    Bitmap          GetBitmap(const GraphicConversionParameters& rParameters = GraphicConversionParameters()) const;

    /// Gives direct access to the contained Bitmap.

    const Bitmap&   GetBitmapRef() const;

    Animation       GetAnimation() const;

    const GDIMetaFile& GetGDIMetaFile() const;

    css::uno::Reference< css::graphic::XGraphic > GetXGraphic() const;

    Size            GetPrefSize() const;

    void            SetPrefSize( const Size& rPrefSize );

    MapMode         GetPrefMapMode() const;

    void            SetPrefMapMode( const MapMode& rPrefMapMode );

    /** pixels per inch i.e. DPI */

    basegfx::B2DSize GetPPI() const;

    /** pixels per meter */

    basegfx::B2DSize GetPPM() const;

    Size            GetSizePixel( const OutputDevice* pRefDevice = nullptr ) const;

    sal_uLong       GetSizeBytes() const;

    void            Draw(OutputDevice& rOutDev, const Point& rDestPt,

                         const Size& rDestSize) const;

    static void     DrawEx(OutputDevice& rOutDev, const OUString& rText,

                           vcl::Font& rFont, const Bitmap& rBitmap,

                           const Point& rDestPt, const Size& rDestSize);

    void            StartAnimation(OutputDevice& rOutDev,

                                   const Point& rDestPt,

                                   const Size& rDestSize,

                                   tools::Long nExtraData = 0,

                                   OutputDevice* pFirstFrameOutDev = nullptr);

    void            StopAnimation( const OutputDevice* pOutputDevice,

                          tools::Long nExtraData );

    SAL_DLLPRIVATE void SetAnimationNotifyHdl( const Link<Animation*,void>& rLink );

    SAL_DLLPRIVATE Link<Animation*,void> GetAnimationNotifyHdl() const;

    SAL_DLLPRIVATE sal_uInt32 GetAnimationLoopCount() const;

    BitmapChecksum  GetChecksum() const;

    const OUString & getOriginURL() const;

    void setOriginURL(OUString const & rOriginURL);

    SAL_DLLPRIVATE OString getUniqueID() const;

    SAL_DLLPRIVATE void             SetDummyContext(bool value);

    SAL_DLLPRIVATE bool             IsDummyContext() const;

    void            SetGfxLink(const std::shared_ptr<GfxLink>& rGfxLink);

    const std::shared_ptr<GfxLink> & GetSharedGfxLink() const;

    GfxLink         GetGfxLink() const;

    bool            IsGfxLink() const;

    const std::shared_ptr<VectorGraphicData>& getVectorGraphicData() const;

    /// Get the page number of the multi-page source this Graphic is rendered from.

    sal_Int32 getPageNumber() const;

};

namespace std {

template <>

struct hash<Graphic>

{

    std::size_t operator()(Graphic const & rGraphic) const

    {

        return static_cast<std::size_t>(rGraphic.GetChecksum());

    }

};

} // end namespace std

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