outdev.hxx

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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
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
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#ifndef INCLUDED_VCL_OUTDEV_HXX
#define INCLUDED_VCL_OUTDEV_HXX

#include <tools/gen.hxx>
#include <tools/ref.hxx>
#include <tools/solar.h>
#include <tools/color.hxx>
#include <tools/poly.hxx>
#include <o3tl/typed_flags_set.hxx>
#include <vcl/bitmap.hxx>
#include <vcl/cairo.hxx>
#include <vcl/devicecoordinate.hxx>
#include <vcl/dllapi.h>
#include <vcl/font.hxx>
#include <vcl/region.hxx>
#include <vcl/mapmod.hxx>
#include <vcl/wall.hxx>
#include <vcl/metaactiontypes.hxx>
#include <vcl/salnativewidgets.hxx>
#include <vcl/outdevstate.hxx>
#include <vcl/outdevmap.hxx>
#include <vcl/vclreferencebase.hxx>

#include <basegfx/numeric/ftools.hxx>
#include <basegfx/vector/b2enums.hxx>
#include <basegfx/polygon/b2dpolypolygon.hxx>

#include <unotools/fontdefs.hxx>

#include <com/sun/star/drawing/LineCap.hpp>
#include <com/sun/star/uno/Reference.h>

#include <memory>
#include <vector>

struct ImplOutDevData;
class LogicalFontInstance;
struct SystemGraphicsData;
struct SystemFontData;
struct SystemTextLayoutData;
class ImplFontCache;
class PhysicalFontCollection;
class ImplDeviceFontList;
class ImplDeviceFontSizeList;
class ImplMultiTextLineInfo;
class SalGraphics;
class Gradient;
class Hatch;
class AllSettings;
class BitmapReadAccess;
class BitmapEx;
class Image;
class TextRectInfo;
class FontMetric;
class GDIMetaFile;
class GfxLink;
namespace tools {
    class Line;
}
class LineInfo;
class AlphaMask;
class FontCharMap;
class SalLayout;
class ImplLayoutArgs;
class VirtualDevice;
struct SalTwoRect;
class Printer;
class VCLXGraphics;
class OutDevStateStack;
class SalLayoutGlyphs;

namespace vcl
{
    class ExtOutDevData;
    class ITextLayout;
    struct FontCapabilities;
    class TextLayoutCache;
    class Window;
    namespace font {
        struct Feature;
    }
}

namespace basegfx {
    class B2DHomMatrix;
    class B2DPolygon;
    class B2IVector;
    typedef B2IVector B2ISize;
}

namespace com { namespace sun { namespace star { namespace awt {
    class XGraphics;
} } } }

#if defined UNX
#define GLYPH_FONT_HEIGHT   128
#else
#define GLYPH_FONT_HEIGHT   256
#endif

// Text Layout options
enum class SalLayoutFlags
{
    NONE                    = 0x0000,
    BiDiRtl                 = 0x0001,
    BiDiStrong              = 0x0002,
    RightAlign              = 0x0004,
    DisableKerning          = 0x0010,
    KerningAsian            = 0x0020,
    Vertical                = 0x0040,
    KashidaJustification    = 0x0800,
    ForFallback             = 0x2000,
    GlyphItemsOnly          = 0x4000,
};
namespace o3tl
{
    template<> struct typed_flags<SalLayoutFlags> : is_typed_flags<SalLayoutFlags, 0x6877> {};
}

typedef std::vector< tools::Rectangle > MetricVector;

// OutputDevice-Types

// Flags for DrawText()
enum class DrawTextFlags
{
    NONE                  = 0x00000000,
    Disable               = 0x00000001,
    Mnemonic              = 0x00000002,
    Mono                  = 0x00000004,
    Clip                  = 0x00000008,
    Left                  = 0x00000010,
    Center                = 0x00000020,
    Right                 = 0x00000040,
    Top                   = 0x00000080,
    VCenter               = 0x00000100,
    Bottom                = 0x00000200,
    EndEllipsis           = 0x00000400,
    PathEllipsis          = 0x00000800,
    MultiLine             = 0x00001000,
    WordBreak             = 0x00002000,
    NewsEllipsis          = 0x00004000,
    WordBreakHyphenation  = 0x00008000 | WordBreak,
    CenterEllipsis        = 0x00010000,
    HideMnemonic          = 0x00020000,
};
namespace o3tl
{
    template<> struct typed_flags<DrawTextFlags> : is_typed_flags<DrawTextFlags, 0x3ffff> {};
}

// Flags for DrawImage(), these must match the definitions in css::awt::ImageDrawMode
enum class DrawImageFlags
{
    NONE                 = 0x0000,
    Disable              = 0x0001,
    Highlight            = 0x0002,
    Deactive             = 0x0004,
    ColorTransform       = 0x0008,
    SemiTransparent      = 0x0010,
};
namespace o3tl
{
    template<> struct typed_flags<DrawImageFlags> : is_typed_flags<DrawImageFlags, 0x001f> {};
}

// Flags for DrawGrid()
enum class DrawGridFlags
{
    NONE                 = 0x0000,
    Dots                 = 0x0001,
    HorzLines            = 0x0002,
    VertLines            = 0x0004
};
namespace o3tl
{
    template<> struct typed_flags<DrawGridFlags> : is_typed_flags<DrawGridFlags, 0x0007> {};
}

// DrawModes
enum class DrawModeFlags : sal_uInt32
{
    Default                = 0x00000000,
    BlackLine              = 0x00000001,
    BlackFill              = 0x00000002,
    BlackText              = 0x00000004,
    BlackBitmap            = 0x00000008,
    BlackGradient          = 0x00000010,
    GrayLine               = 0x00000020,
    GrayFill               = 0x00000040,
    GrayText               = 0x00000080,
    GrayBitmap             = 0x00000100,
    GrayGradient           = 0x00000200,
    NoFill                 = 0x00000400,
    WhiteLine              = 0x00000800,
    WhiteFill              = 0x00001000,
    WhiteText              = 0x00002000,
    WhiteBitmap            = 0x00004000,
    WhiteGradient          = 0x00008000,
    SettingsLine           = 0x00010000,
    SettingsFill           = 0x00020000,
    SettingsText           = 0x00040000,
    SettingsGradient       = 0x00080000,
    NoTransparency         = 0x00100000,
};
namespace o3tl
{
    template<> struct typed_flags<DrawModeFlags> : is_typed_flags<DrawModeFlags, 0x1fffff> {};
}

// Antialiasing
enum class AntialiasingFlags
{
    NONE                = 0x0000,
    DisableText         = 0x0001,
    EnableB2dDraw       = 0x0002,
    PixelSnapHairline  = 0x0004,
};
namespace o3tl
{
    template<> struct typed_flags<AntialiasingFlags> : is_typed_flags<AntialiasingFlags, 0x07> {};
}

// AddFontSubstitute() flags
enum class AddFontSubstituteFlags
{
    NONE            = 0x00,
    ALWAYS          = 0x01,
    ScreenOnly      = 0x02,
};
namespace o3tl
{
    template<> struct typed_flags<AddFontSubstituteFlags> : is_typed_flags<AddFontSubstituteFlags, 0x03> {};
}

// GetDefaultFont() flags
enum class GetDefaultFontFlags
{
    NONE          = 0x0000,
    OnlyOne       = 0x0001,
};
namespace o3tl
{
    template<> struct typed_flags<GetDefaultFontFlags> : is_typed_flags<GetDefaultFontFlags, 0x01> {};
}

// Flags for Invert()
enum class InvertFlags
{
    NONE                    = 0x0000,
    N50                     = 0x0001,
    TrackFrame              = 0x0002
};
namespace o3tl
{
    template<> struct typed_flags<InvertFlags> : is_typed_flags<InvertFlags, 0x0003> {};
}

enum OutDevType { OUTDEV_WINDOW, OUTDEV_PRINTER, OUTDEV_VIRDEV, OUTDEV_PDF };

enum class OutDevViewType { DontKnow, PrintPreview, SlideShow };

// OutputDevice

typedef tools::SvRef<FontCharMap> FontCharMapRef;

BmpMirrorFlags AdjustTwoRect( SalTwoRect& rTwoRect, const Size& rSizePix );
void AdjustTwoRect( SalTwoRect& rTwoRect, const tools::Rectangle& rValidSrcRect );

class OutputDevice;

namespace vcl {
    typedef OutputDevice RenderContext;
}

VCL_DLLPUBLIC void DrawFocusRect(vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect);

typedef struct _cairo_surface cairo_surface_t;

class SAL_WARN_UNUSED VCL_DLLPUBLIC OutputDevice : public virtual VclReferenceBase
{
    friend class Printer;
    friend class VirtualDevice;
    friend class vcl::Window;
    friend class WorkWindow;
    friend void ImplHandleResize( vcl::Window* pWindow, long nNewWidth, long nNewHeight );

private:
    OutputDevice(const OutputDevice&) = delete;
    OutputDevice& operator=(const OutputDevice&) = delete;

    mutable SalGraphics*            mpGraphics;         
    mutable VclPtr<OutputDevice>    mpPrevGraphics;     
    mutable VclPtr<OutputDevice>    mpNextGraphics;     
    GDIMetaFile*                    mpMetaFile;
    mutable rtl::Reference<LogicalFontInstance> mpFontInstance;
    mutable std::shared_ptr<ImplFontCache> mxFontCache;
    mutable std::shared_ptr<PhysicalFontCollection> mxFontCollection;
    mutable std::unique_ptr<ImplDeviceFontList>     mpDeviceFontList;
    mutable std::unique_ptr<ImplDeviceFontSizeList> mpDeviceFontSizeList;
    std::vector<OutDevState>        maOutDevStateStack;
    std::unique_ptr<ImplOutDevData> mpOutDevData;
    std::vector< VCLXGraphics* >*   mpUnoGraphicsList;
    vcl::ExtOutDevData*             mpExtOutDevData;

    // TEMP TEMP TEMP
    VclPtr<VirtualDevice>           mpAlphaVDev;

    long                            mnOutOffOrigX;
    long                            mnOutOffLogicX;
    long                            mnOutOffOrigY;
    long                            mnOutOffLogicY;
    long                            mnOutOffX;
    long                            mnOutOffY;
    long                            mnOutWidth;
    long                            mnOutHeight;
    sal_Int32                       mnDPIX;
    sal_Int32                       mnDPIY;
    sal_Int32                       mnDPIScalePercentage; 
    mutable long                    mnTextOffX;
    mutable long                    mnTextOffY;
    mutable long                    mnEmphasisAscent;
    mutable long                    mnEmphasisDescent;
    DrawModeFlags                   mnDrawMode;
    ComplexTextLayoutFlags           mnTextLayoutMode;
    ImplMapRes                      maMapRes;
    ImplThresholdRes                maThresRes;
    const OutDevType                meOutDevType;
    OutDevViewType                  meOutDevViewType;
    vcl::Region                     maRegion;           // contains the clip region, see SetClipRegion(...)
    Color                           maLineColor;
    Color                           maFillColor;
    vcl::Font                       maFont;
    Color                           maTextColor;
    Color                           maTextLineColor;
    Color                           maOverlineColor;
    RasterOp                        meRasterOp;
    Wallpaper                       maBackground;
    std::unique_ptr<AllSettings>    mxSettings;
    MapMode                         maMapMode;
    Point                           maRefPoint;
    AntialiasingFlags               mnAntialiasing;
    LanguageType                    meTextLanguage;

    mutable bool                    mbMap : 1;
    mutable bool                    mbClipRegion : 1;
    mutable bool                    mbBackground : 1;
    mutable bool                    mbOutput : 1;
    mutable bool                    mbDevOutput : 1;
    mutable bool                    mbOutputClipped : 1;
    mutable bool                    mbLineColor : 1;
    mutable bool                    mbFillColor : 1;
    mutable bool                    mbInitLineColor : 1;
    mutable bool                    mbInitFillColor : 1;
    mutable bool                    mbInitFont : 1;
    mutable bool                    mbInitTextColor : 1;
    mutable bool                    mbInitClipRegion : 1;
    mutable bool                    mbClipRegionSet : 1;
    mutable bool                    mbNewFont : 1;
    mutable bool                    mbTextLines : 1;
    mutable bool                    mbTextSpecial : 1;
    mutable bool                    mbRefPoint : 1;
    mutable bool                    mbEnableRTL : 1;


protected:
                                OutputDevice(OutDevType eOutDevType);
    virtual                     ~OutputDevice() override;
    virtual void                dispose() override;

public:

    SalGraphics const           *GetGraphics() const;
    SalGraphics*                GetGraphics();

    void                        SetConnectMetaFile( GDIMetaFile* pMtf );
    GDIMetaFile*                GetConnectMetaFile() const { return mpMetaFile; }

    virtual void                SetSettings( const AllSettings& rSettings );
    const AllSettings&          GetSettings() const { return *mxSettings; }

    SystemGraphicsData          GetSystemGfxData() const;
    bool                        SupportsCairo() const;
    cairo::SurfaceSharedPtr     CreateSurface(const cairo::CairoSurfaceSharedPtr& rSurface) const;
    cairo::SurfaceSharedPtr     CreateSurface(int x, int y, int width, int height) const;
    cairo::SurfaceSharedPtr     CreateBitmapSurface(const BitmapSystemData& rData, const Size& rSize) const;
    css::uno::Any               GetNativeSurfaceHandle(cairo::SurfaceSharedPtr& rSurface, const basegfx::B2ISize& rSize) const;
    css::uno::Any               GetSystemGfxDataAny() const;

    void                        SetRefPoint();
    void                        SetRefPoint( const Point& rRefPoint );
    const Point&                GetRefPoint() const { return maRefPoint; }
    bool                        IsRefPoint() const { return mbRefPoint; }

    virtual sal_uInt16          GetBitCount() const;

    Size                        GetOutputSizePixel() const
                                    { return Size( mnOutWidth, mnOutHeight ); }
    long                        GetOutputWidthPixel() const { return mnOutWidth; }
    long                        GetOutputHeightPixel() const { return mnOutHeight; }
    long                        GetOutOffXPixel() const { return mnOutOffX; }
    long                        GetOutOffYPixel() const { return mnOutOffY; }
    void                        SetOutOffXPixel(long nOutOffX);
    void                        SetOutOffYPixel(long nOutOffY);

    Size                        GetOutputSize() const
                                    { return PixelToLogic( GetOutputSizePixel() ); }

    css::uno::Reference< css::awt::XGraphics >
                                CreateUnoGraphics();
    std::vector< VCLXGraphics* > *GetUnoGraphicsList() const  { return mpUnoGraphicsList; }
    std::vector< VCLXGraphics* > *CreateUnoGraphicsList();

protected:

    virtual bool                AcquireGraphics() const = 0;

    virtual void                ReleaseGraphics( bool bRelease = true ) = 0;



public:

    SAL_DLLPRIVATE sal_Int32    GetDPIX() const { return mnDPIX; }

    SAL_DLLPRIVATE sal_Int32    GetDPIY() const { return mnDPIY; }

    SAL_DLLPRIVATE void         SetDPIX( sal_Int32 nDPIX ) { mnDPIX = nDPIX; }
    SAL_DLLPRIVATE void         SetDPIY( sal_Int32 nDPIY ) { mnDPIY = nDPIY; }

    float GetDPIScaleFactor() const
    {
        return mnDPIScalePercentage / 100.0f;
    }

    sal_Int32 GetDPIScalePercentage() const
    {
        return mnDPIScalePercentage;
    }

    OutDevType                  GetOutDevType() const { return meOutDevType; }
    virtual bool IsVirtual() const;

    bool                        SupportsOperation( OutDevSupportType ) const;

    void                        SetExtOutDevData( vcl::ExtOutDevData* pExtOutDevData ) { mpExtOutDevData = pExtOutDevData; }
    vcl::ExtOutDevData*         GetExtOutDevData() const { return mpExtOutDevData; }




public:
    virtual void                Flush() {}

    virtual void                DrawOutDev(
                                    const Point& rDestPt, const Size& rDestSize,
                                    const Point& rSrcPt,  const Size& rSrcSize );

    virtual void                DrawOutDev(
                                    const Point& rDestPt, const Size& rDestSize,
                                    const Point& rSrcPt,  const Size& rSrcSize,
                                    const OutputDevice& rOutDev );

    virtual void                CopyArea(
                                    const Point& rDestPt,
                                    const Point& rSrcPt,  const Size& rSrcSize,
                                    bool bWindowInvalidate = false );

protected:

    virtual void                CopyDeviceArea( SalTwoRect& aPosAry, bool bWindowInvalidate);

    virtual tools::Rectangle    SetBackgroundComponentBounds();

    virtual void                DrawOutDevDirectCheck( const OutputDevice* pSrcDev, SalGraphics*& pSrcGraphics );

    virtual void                DrawOutDevDirectProcess( const OutputDevice* pSrcDev, SalTwoRect& rPosAry, SalGraphics* pSrcGraphics );

    SAL_DLLPRIVATE void         drawOutDevDirect ( const OutputDevice* pSrcDev, SalTwoRect& rPosAry );

    SAL_DLLPRIVATE bool         is_double_buffered_window() const;

private:

    // not implemented; to detect misuses of DrawOutDev(...OutputDevice&);
    SAL_DLLPRIVATE void         DrawOutDev( const Point&, const Size&, const Point&,  const Size&, const Printer&) = delete;



public:

    void                        Push( PushFlags nFlags = PushFlags::ALL );
    void                        Pop();

    // returns the current stack depth; that is the number of Push() calls minus the number of Pop() calls
    // this should not normally be used since Push and Pop must always be used symmetrically
    // however this may be e.g. a help when debugging code in which this somehow is not the case
    sal_uInt32                  GetGCStackDepth() const;

    void                        EnableOutput( bool bEnable = true );
    bool                        IsOutputEnabled() const { return mbOutput; }
    bool                        IsDeviceOutputNecessary() const { return (mbOutput && mbDevOutput); }

    void                        SetAntialiasing( AntialiasingFlags nMode );
    AntialiasingFlags           GetAntialiasing() const { return mnAntialiasing; }

    void                        SetDrawMode( DrawModeFlags nDrawMode );
    DrawModeFlags               GetDrawMode() const { return mnDrawMode; }

    void                        SetLayoutMode( ComplexTextLayoutFlags nTextLayoutMode );
    ComplexTextLayoutFlags       GetLayoutMode() const { return mnTextLayoutMode; }

    void                        SetDigitLanguage( LanguageType );
    LanguageType                GetDigitLanguage() const { return meTextLanguage; }

    void                        SetRasterOp( RasterOp eRasterOp );
    RasterOp                    GetRasterOp() const { return meRasterOp; }

    void                        SetOutDevViewType( OutDevViewType eOutDevViewType ) { meOutDevViewType=eOutDevViewType; }
    OutDevViewType              GetOutDevViewType() const { return meOutDevViewType; }

    void                        SetLineColor();
    void                        SetLineColor( const Color& rColor );
    const Color&                GetLineColor() const { return maLineColor; }
    bool                        IsLineColor() const { return mbLineColor; }

    void                        SetFillColor();
    void                        SetFillColor( const Color& rColor );
    const Color&                GetFillColor() const { return maFillColor; }
    bool                        IsFillColor() const { return mbFillColor; }

    void                        SetBackground();
    void                        SetBackground( const Wallpaper& rBackground );
    virtual void                SaveBackground(VirtualDevice& rSaveDevice,
                                               const Point& rPos, const Size& rSize, const Size& rBackgroundSize) const;

    const Wallpaper&            GetBackground() const { return maBackground; }
    virtual Color               GetBackgroundColor() const;
    virtual Color               GetReadableFontColor(const Color& rFontColor, const Color& rBgColor) const;
    bool                        IsBackground() const { return mbBackground; }

    void                        SetFont( const vcl::Font& rNewFont );
    const vcl::Font&            GetFont() const { return maFont; }

protected:

    virtual void                ImplReleaseFonts();

private:

    SAL_DLLPRIVATE void         InitLineColor();

    SAL_DLLPRIVATE void         InitFillColor();




public:

    vcl::Region                 GetClipRegion() const;
    void                        SetClipRegion();
    void                        SetClipRegion( const vcl::Region& rRegion );
    bool                        SelectClipRegion( const vcl::Region&, SalGraphics* pGraphics = nullptr );

    bool                        IsClipRegion() const { return mbClipRegion; }

    void                        MoveClipRegion( long nHorzMove, long nVertMove );
    void                        IntersectClipRegion( const tools::Rectangle& rRect );
    void                        IntersectClipRegion( const vcl::Region& rRegion );

    virtual vcl::Region         GetActiveClipRegion() const;

protected:

    virtual void                InitClipRegion();

    virtual vcl::Region         ClipToDeviceBounds(vcl::Region aRegion) const;
    virtual void                ClipToPaintRegion    ( tools::Rectangle& rDstRect );

private:

    SAL_DLLPRIVATE void         SetDeviceClipRegion( const vcl::Region* pRegion );



public:

    void                        DrawPixel( const Point& rPt );
    void                        DrawPixel( const Point& rPt, const Color& rColor );

    Color                       GetPixel( const Point& rPt ) const;



public:

    void                        DrawRect( const tools::Rectangle& rRect );
    void                        DrawRect( const tools::Rectangle& rRect,
                                          sal_uLong nHorzRount, sal_uLong nVertRound );

    void                        DrawCheckered(
                                    const Point& rPos,
                                    const Size& rSize,
                                    sal_uInt32 nLen = 8,
                                    Color aStart = COL_WHITE,
                                    Color aEnd = COL_BLACK);

    void                        DrawGrid( const tools::Rectangle& rRect, const Size& rDist, DrawGridFlags nFlags );


public:
    void Invert( const tools::Rectangle& rRect, InvertFlags nFlags = InvertFlags::NONE );
    void Invert( const tools::Polygon& rPoly, InvertFlags nFlags = InvertFlags::NONE );


public:

    void                        DrawLine( const Point& rStartPt, const Point& rEndPt );

    void                        DrawLine( const Point& rStartPt, const Point& rEndPt,
                                          const LineInfo& rLineInfo );

protected:
    virtual void DrawHatchLine_DrawLine(const Point& rStartPoint, const Point& rEndPoint);

private:

    SAL_DLLPRIVATE void         drawLine( basegfx::B2DPolyPolygon aLinePolyPolygon, const LineInfo& rInfo );



public:

    void                        DrawPolyLine( const tools::Polygon& rPoly );

    void                        DrawPolyLine(
                                    const basegfx::B2DPolygon&,
                                    double fLineWidth = 0.0,
                                    basegfx::B2DLineJoin eLineJoin = basegfx::B2DLineJoin::Round,
                                    css::drawing::LineCap eLineCap = css::drawing::LineCap_BUTT,
                                    double fMiterMinimumAngle = basegfx::deg2rad(15.0));

    void                        DrawPolyLine( const tools::Polygon& rPoly,
                                              const LineInfo& rLineInfo );

    // #i101491#
    // Helper who tries to use SalGDI's DrawPolyLine direct and returns it's bool.
    bool                        DrawPolyLineDirect(
                                    const basegfx::B2DHomMatrix& rObjectTransform,
                                    const basegfx::B2DPolygon& rB2DPolygon,
                                    double fLineWidth = 0.0,
                                    double fTransparency = 0.0,
                                    const std::vector< double >* = nullptr, // MM01
                                    basegfx::B2DLineJoin eLineJoin = basegfx::B2DLineJoin::NONE,
                                    css::drawing::LineCap eLineCap = css::drawing::LineCap_BUTT,
                                    double fMiterMinimumAngle = basegfx::deg2rad(15.0),
                                    bool bBypassAACheck = false);

private:

    // #i101491#
    // Helper which holds the old line geometry creation and is extended to use AA when
    // switched on. Advantage is that line geometry is only temporarily used for paint
    SAL_DLLPRIVATE void         drawPolyLine(const tools::Polygon& rPoly, const LineInfo& rLineInfo);




public:

    void                        DrawPolygon( const tools::Polygon& rPoly );
    void                        DrawPolygon( const basegfx::B2DPolygon& );

    void                        DrawPolyPolygon( const tools::PolyPolygon& rPolyPoly );
    void                        DrawPolyPolygon( const basegfx::B2DPolyPolygon& );

private:

    SAL_DLLPRIVATE void         ImplDrawPolygon( const tools::Polygon& rPoly, const tools::PolyPolygon* pClipPolyPoly = nullptr );
    SAL_DLLPRIVATE void         ImplDrawPolyPolygon( const tools::PolyPolygon& rPolyPoly, const tools::PolyPolygon* pClipPolyPoly );
    SAL_DLLPRIVATE void         ImplDrawPolyPolygon( sal_uInt16 nPoly, const tools::PolyPolygon& rPolyPoly );
    // #i101491#
    // Helper who implements the DrawPolyPolygon functionality for basegfx::B2DPolyPolygon
    // without MetaFile processing
    SAL_DLLPRIVATE void         ImplDrawPolyPolygonWithB2DPolyPolygon(const basegfx::B2DPolyPolygon& rB2DPolyPoly);



public:

    void                        DrawEllipse( const tools::Rectangle& rRect );

    void                        DrawArc(
                                    const tools::Rectangle& rRect,
                                    const Point& rStartPt, const Point& rEndPt );

    void                        DrawPie(
                                    const tools::Rectangle& rRect,
                                    const Point& rStartPt, const Point& rEndPt );

    void                        DrawChord(
                                    const tools::Rectangle& rRect,
                                    const Point& rStartPt, const Point& rEndPt );




public:
    void                        DrawGradient( const tools::Rectangle& rRect, const Gradient& rGradient );
    void                        DrawGradient( const tools::PolyPolygon& rPolyPoly, const Gradient& rGradient );

    void                        AddGradientActions(
                                    const tools::Rectangle& rRect,
                                    const Gradient& rGradient,
                                    GDIMetaFile& rMtf );

protected:

    virtual bool                UsePolyPolygonForComplexGradient() = 0;

    virtual long                GetGradientStepCount( long nMinRect );

private:

    SAL_DLLPRIVATE void         DrawLinearGradient( const tools::Rectangle& rRect, const Gradient& rGradient, const tools::PolyPolygon* pClipPolyPoly );
    SAL_DLLPRIVATE void         DrawComplexGradient( const tools::Rectangle& rRect, const Gradient& rGradient, const tools::PolyPolygon* pClipPolyPoly );

    SAL_DLLPRIVATE void         DrawGradientToMetafile( const tools::PolyPolygon& rPolyPoly, const Gradient& rGradient );
    SAL_DLLPRIVATE void         DrawLinearGradientToMetafile( const tools::Rectangle& rRect, const Gradient& rGradient );
    SAL_DLLPRIVATE void         DrawComplexGradientToMetafile( const tools::Rectangle& rRect, const Gradient& rGradient );

    SAL_DLLPRIVATE long         GetGradientSteps( const Gradient& rGradient, const tools::Rectangle& rRect, bool bMtf, bool bComplex=false );

    SAL_DLLPRIVATE Color        GetSingleColorGradientFill();
    SAL_DLLPRIVATE void         SetGrayscaleColors( Gradient &rGradient );



public:

#ifdef _MSC_VER
    void                        DrawHatch( const tools::PolyPolygon& rPolyPoly, const ::Hatch& rHatch );
    void                        AddHatchActions( const tools::PolyPolygon& rPolyPoly,
                                                 const ::Hatch& rHatch,
                                                 GDIMetaFile& rMtf );
#else
    void                        DrawHatch( const tools::PolyPolygon& rPolyPoly, const Hatch& rHatch );
    void                        AddHatchActions( const tools::PolyPolygon& rPolyPoly,
                                                 const Hatch& rHatch,
                                                 GDIMetaFile& rMtf );
#endif

    void                        DrawHatch( const tools::PolyPolygon& rPolyPoly, const Hatch& rHatch, bool bMtf );

private:

    SAL_DLLPRIVATE void         CalcHatchValues( const tools::Rectangle& rRect, long nDist, sal_uInt16 nAngle10, Point& rPt1, Point& rPt2, Size& rInc, Point& rEndPt1 );
    SAL_DLLPRIVATE void         DrawHatchLine( const tools::Line& rLine, const tools::PolyPolygon& rPolyPoly, Point* pPtBuffer, bool bMtf );



public:
    void                        DrawWallpaper( const tools::Rectangle& rRect, const Wallpaper& rWallpaper );

    void                        Erase();
    void                        Erase( const tools::Rectangle& rRect ) { DrawWallpaper( rRect, GetBackground() ); }

protected:
    void                        DrawGradientWallpaper( long nX, long nY, long nWidth, long nHeight, const Wallpaper& rWallpaper );

private:
    SAL_DLLPRIVATE void         DrawWallpaper( long nX, long nY, long nWidth, long nHeight, const Wallpaper& rWallpaper );
    SAL_DLLPRIVATE void         DrawColorWallpaper( long nX, long nY, long nWidth, long nHeight, const Wallpaper& rWallpaper );
    SAL_DLLPRIVATE void         DrawBitmapWallpaper( long nX, long nY, long nWidth, long nHeight, const Wallpaper& rWallpaper );



public:

    void                        DrawText( const Point& rStartPt, const OUString& rStr,
                                          sal_Int32 nIndex = 0, sal_Int32 nLen = -1,
                                          MetricVector* pVector = nullptr, OUString* pDisplayText = nullptr,
                                          const SalLayoutGlyphs* pLayoutCache = nullptr );

    void                        DrawText( const tools::Rectangle& rRect,
                                          const OUString& rStr, DrawTextFlags nStyle = DrawTextFlags::NONE,
                                          MetricVector* pVector = nullptr, OUString* pDisplayText = nullptr,
                                          vcl::ITextLayout* _pTextLayout = nullptr );

    static void                 ImplDrawText( OutputDevice& rTargetDevice, const tools::Rectangle& rRect,
                                              const OUString& rOrigStr, DrawTextFlags nStyle,
                                              MetricVector* pVector, OUString* pDisplayText, vcl::ITextLayout& _rLayout );

    void                        ImplDrawText( SalLayout& );

    void                        ImplDrawTextBackground( const SalLayout& );

    void                        DrawCtrlText( const Point& rPos, const OUString& rStr,
                                              sal_Int32 nIndex = 0, sal_Int32 nLen = -1,
                                              DrawTextFlags nStyle = DrawTextFlags::Mnemonic, MetricVector* pVector = nullptr, OUString* pDisplayText = nullptr,
                                              const SalLayoutGlyphs* pGlyphs = nullptr);

    void                        DrawTextLine( const Point& rPos, long nWidth,
                                              FontStrikeout eStrikeout,
                                              FontLineStyle eUnderline,
                                              FontLineStyle eOverline,
                                              bool bUnderlineAbove = false );

    void                        ImplDrawTextLine( long nBaseX, long nX, long nY, DeviceCoordinate nWidth,
                                                  FontStrikeout eStrikeout, FontLineStyle eUnderline,
                                                  FontLineStyle eOverline, bool bUnderlineAbove );

    void                        ImplDrawTextLines( SalLayout&, FontStrikeout eStrikeout, FontLineStyle eUnderline,
                                                   FontLineStyle eOverline, bool bWordLine, bool bUnderlineAbove );

    void                        DrawWaveLine( const Point& rStartPos, const Point& rEndPos, long nLineWidth = 1 );

    bool                        ImplDrawRotateText( SalLayout& );

    tools::Rectangle                   GetTextRect( const tools::Rectangle& rRect,
                                             const OUString& rStr, DrawTextFlags nStyle = DrawTextFlags::WordBreak,
                                             TextRectInfo* pInfo = nullptr,
                                             const vcl::ITextLayout* _pTextLayout = nullptr ) const;

    bool                        GetTextBoundRect( tools::Rectangle& rRect,
                                                  const OUString& rStr, sal_Int32 nBase = 0, sal_Int32 nIndex = 0, sal_Int32 nLen = -1,
                                                  sal_uLong nLayoutWidth = 0, const long* pDXArray = nullptr,
                                                  const SalLayoutGlyphs* pGlyphs = nullptr ) const;

    tools::Rectangle                   ImplGetTextBoundRect( const SalLayout& );

    bool                        GetTextOutline( tools::PolyPolygon&,
                                                const OUString& rStr,
                                                sal_Int32 nLen = -1,
                                                sal_uLong nLayoutWidth = 0, const long* pDXArray = nullptr ) const;

    bool                        GetTextOutlines( PolyPolyVector&,
                                                 const OUString& rStr, sal_Int32 nBase = 0, sal_Int32 nIndex = 0,
                                                 sal_Int32 nLen = -1,
                                                 sal_uLong nLayoutWidth = 0, const long* pDXArray = nullptr ) const;

    bool                        GetTextOutlines( basegfx::B2DPolyPolygonVector &rVector,
                                                 const OUString& rStr, sal_Int32 nBase, sal_Int32 nIndex = 0,
                                                 sal_Int32 nLen = -1,
                                                 sal_uLong nLayoutWidth = 0, const long* pDXArray = nullptr ) const;


    OUString                    GetEllipsisString( const OUString& rStr, long nMaxWidth,
                                                   DrawTextFlags nStyle = DrawTextFlags::EndEllipsis ) const;

    long                        GetCtrlTextWidth( const OUString& rStr,
                                                  const SalLayoutGlyphs* pLayoutCache = nullptr ) const;

    static OUString             GetNonMnemonicString( const OUString& rStr, sal_Int32& rMnemonicPos );

    static OUString             GetNonMnemonicString( const OUString& rStr )
                                            { sal_Int32 nDummy; return GetNonMnemonicString( rStr, nDummy ); }

    void                        AddTextRectActions( const tools::Rectangle& rRect,
                                                    const OUString&  rOrigStr,
                                                    DrawTextFlags    nStyle,
                                                    GDIMetaFile&     rMtf );

    void                        SetTextColor( const Color& rColor );
    const Color&                GetTextColor() const { return maTextColor; }

    void                        SetTextFillColor();
    void                        SetTextFillColor( const Color& rColor );
    Color                       GetTextFillColor() const;
    bool                        IsTextFillColor() const { return !maFont.IsTransparent(); }

    void                        SetTextLineColor();
    void                        SetTextLineColor( const Color& rColor );
    const Color&                GetTextLineColor() const { return maTextLineColor; }
    bool                        IsTextLineColor() const { return (maTextLineColor.GetTransparency() == 0); }

    void                        SetOverlineColor();
    void                        SetOverlineColor( const Color& rColor );
    const Color&                GetOverlineColor() const { return maOverlineColor; }
    bool                        IsOverlineColor() const { return (maOverlineColor.GetTransparency() == 0); }

    void                        SetTextAlign( TextAlign eAlign );
    TextAlign                   GetTextAlign() const { return maFont.GetAlignment(); }

    long                        GetTextWidth( const OUString& rStr, sal_Int32 nIndex = 0, sal_Int32 nLen = -1,
                                  vcl::TextLayoutCache const* = nullptr,
                                  SalLayoutGlyphs const*const pLayoutCache = nullptr) const;

    long                        GetTextHeight() const;
    float                       approximate_digit_width() const;

    void                        DrawTextArray( const Point& rStartPt, const OUString& rStr,
                                               const long* pDXAry,
                                               sal_Int32 nIndex = 0,
                                               sal_Int32 nLen = -1,
                                               SalLayoutFlags flags = SalLayoutFlags::NONE,
                                               const SalLayoutGlyphs* pLayoutCache = nullptr);
    long                        GetTextArray( const OUString& rStr, long* pDXAry,
                                              sal_Int32 nIndex = 0, sal_Int32 nLen = -1,
                                              vcl::TextLayoutCache const* = nullptr,
                                              SalLayoutGlyphs const*const pLayoutCache = nullptr) const;

    void                        GetCaretPositions( const OUString&, long* pCaretXArray,
                                              sal_Int32 nIndex, sal_Int32 nLen,
                                              const SalLayoutGlyphs* pGlyphs = nullptr ) const;
    void                        DrawStretchText( const Point& rStartPt, sal_uLong nWidth,
                                                 const OUString& rStr,
                                                 sal_Int32 nIndex = 0, sal_Int32 nLen = -1);
    sal_Int32                   GetTextBreak( const OUString& rStr, long nTextWidth,
                                              sal_Int32 nIndex, sal_Int32 nLen = -1,
                                              long nCharExtra = 0,
                                              vcl::TextLayoutCache const* = nullptr,
                                              const SalLayoutGlyphs* pGlyphs = nullptr) const;
    sal_Int32                   GetTextBreak( const OUString& rStr, long nTextWidth,
                                              sal_Unicode nExtraChar, sal_Int32& rExtraCharPos,
                                              sal_Int32 nIndex, sal_Int32 nLen,
                                              long nCharExtra,
                                              vcl::TextLayoutCache const* = nullptr) const;
    static std::shared_ptr<vcl::TextLayoutCache> CreateTextLayoutCache(OUString const&);

protected:
    SAL_DLLPRIVATE void         ImplInitTextLineSize();
    SAL_DLLPRIVATE void         ImplInitAboveTextLineSize();
    static
    SAL_DLLPRIVATE long         ImplGetTextLines( ImplMultiTextLineInfo& rLineInfo, long nWidth, const OUString& rStr, DrawTextFlags nStyle, const vcl::ITextLayout& _rLayout );
    SAL_DLLPRIVATE float        approximate_char_width() const;
private:
    SAL_DLLPRIVATE void         ImplInitTextColor();

    SAL_DLLPRIVATE void         ImplDrawTextDirect( SalLayout&, bool bTextLines);
    SAL_DLLPRIVATE void         ImplDrawSpecialText( SalLayout& );
    SAL_DLLPRIVATE void         ImplDrawTextRect( long nBaseX, long nBaseY, long nX, long nY, long nWidth, long nHeight );

    SAL_DLLPRIVATE static void  ImplDrawWavePixel( long nOriginX, long nOriginY, long nCurX, long nCurY, short nOrientation, SalGraphics* pGraphics, OutputDevice const * pOutDev,
                                                   bool bDrawPixAsRect, long nPixWidth, long nPixHeight );
    SAL_DLLPRIVATE void         ImplDrawWaveLine( long nBaseX, long nBaseY, long nStartX, long nStartY, long nWidth, long nHeight, long nLineWidth, short nOrientation, const Color& rColor );
    SAL_DLLPRIVATE void         ImplDrawWaveTextLine( long nBaseX, long nBaseY, long nX, long nY, long nWidth, FontLineStyle eTextLine, Color aColor, bool bIsAbove );
    SAL_DLLPRIVATE void         ImplDrawStraightTextLine( long nBaseX, long nBaseY, long nX, long nY, long nWidth, FontLineStyle eTextLine, Color aColor, bool bIsAbove );
    SAL_DLLPRIVATE void         ImplDrawStrikeoutLine( long nBaseX, long nBaseY, long nX, long nY, long nWidth, FontStrikeout eStrikeout, Color aColor );
    SAL_DLLPRIVATE void         ImplDrawStrikeoutChar( long nBaseX, long nBaseY, long nX, long nY, long nWidth, FontStrikeout eStrikeout, Color aColor );
    SAL_DLLPRIVATE void         ImplDrawMnemonicLine( long nX, long nY, long nWidth );





public:

    FontMetric                  GetDevFont( int nDevFontIndex ) const;
    int                         GetDevFontCount() const;

    bool                        IsFontAvailable( const OUString& rFontName ) const;

    Size                        GetDevFontSize( const vcl::Font& rFont, int nSizeIndex ) const;
    int                         GetDevFontSizeCount( const vcl::Font& ) const;

    bool                        AddTempDevFont( const OUString& rFileURL, const OUString& rFontName );
    void                        RefreshFontData( const bool bNewFontLists );

    FontMetric                  GetFontMetric() const;
    FontMetric                  GetFontMetric( const vcl::Font& rFont ) const;

    bool                        GetFontCharMap( FontCharMapRef& rxFontCharMap ) const;
    bool                        GetFontCapabilities( vcl::FontCapabilities& rFontCapabilities ) const;

    bool GetFontFeatures(std::vector<vcl::font::Feature>& rFontFeatures) const;


    SystemFontData              GetSysFontData( int nFallbacklevel ) const;

    SAL_DLLPRIVATE void         ImplGetEmphasisMark( tools::PolyPolygon& rPolyPoly, bool& rPolyLine, tools::Rectangle& rRect1, tools::Rectangle& rRect2,
                                                     long& rYOff, long& rWidth, FontEmphasisMark eEmphasis, long nHeight );
    SAL_DLLPRIVATE static FontEmphasisMark
                                ImplGetEmphasisMarkStyle( const vcl::Font& rFont );

    bool                        GetGlyphBoundRects( const Point& rOrigin, const OUString& rStr, int nIndex,
                                                    int nLen, MetricVector& rVector );

    sal_Int32                   HasGlyphs( const vcl::Font& rFont, const OUString& rStr,
                                           sal_Int32 nIndex = 0, sal_Int32 nLen = -1 ) const;

    long                        GetMinKashida() const;

    // i60594
    // validate kashida positions against the current font
    // returns count of invalid kashida positions
    sal_Int32                   ValidateKashidas( const OUString& rTxt, sal_Int32 nIdx, sal_Int32 nLen,
                                                  sal_Int32 nKashCount, // number of suggested kashida positions (in)
                                                  const sal_Int32* pKashidaPos, // suggested kashida positions (in)
                                                  sal_Int32* pKashidaPosDropped // invalid kashida positions (out)
                                                ) const;

    static void                 BeginFontSubstitution();
    static void                 EndFontSubstitution();
    static void                 AddFontSubstitute( const OUString& rFontName,
                                                   const OUString& rReplaceFontName,
                                                   AddFontSubstituteFlags nFlags );
    static void                 RemoveFontsSubstitute();

    static vcl::Font            GetDefaultFont( DefaultFontType nType,
                                                LanguageType eLang,
                                                GetDefaultFontFlags nFlags,
                                                const OutputDevice* pOutDev = nullptr );

    SAL_DLLPRIVATE void         ImplInitFontList() const;
    SAL_DLLPRIVATE void         ImplUpdateFontData();

    //drop font data for all outputdevices.
    //If bNewFontLists is true then empty lists of system fonts
    SAL_DLLPRIVATE static void  ImplClearAllFontData( bool bNewFontLists );
    //fetch font data for all outputdevices
    //If bNewFontLists is true then fetch lists of system fonts
    SAL_DLLPRIVATE static void  ImplRefreshAllFontData( bool bNewFontLists );
    //drop and fetch font data for all outputdevices
    //If bNewFontLists is true then drop and refetch lists of system fonts
    SAL_DLLPRIVATE static void  ImplUpdateAllFontData( bool bNewFontLists );

    // Lock font updates for all output devices
    static void LockFontUpdates(bool bLock);

protected:
    SAL_DLLPRIVATE const LogicalFontInstance* GetFontInstance() const;
    SAL_DLLPRIVATE long GetEmphasisAscent() const { return mnEmphasisAscent; }
    SAL_DLLPRIVATE long GetEmphasisDescent() const { return mnEmphasisDescent; }

    SAL_DLLPRIVATE bool InitFont() const;
    virtual void                SetFontOrientation( LogicalFontInstance* const pFontInstance ) const;
    virtual long                GetFontExtLeading() const;

    virtual void ImplClearFontData(bool bNewFontLists);
    virtual void ImplRefreshFontData(bool bNewFontLists);
    void ReleaseFontCache();
    void ReleaseFontCollection();
    void SetFontCollectionFromSVData();
    void ResetNewFontCache();

private:

    typedef void ( OutputDevice::* FontUpdateHandler_t )( bool );

    SAL_DLLPRIVATE bool         ImplNewFont() const;

    SAL_DLLPRIVATE static void  ImplUpdateFontDataForAllFrames( FontUpdateHandler_t pHdl, bool bNewFontLists );

    static
    SAL_DLLPRIVATE OUString     ImplGetEllipsisString( const OutputDevice& rTargetDevice, const OUString& rStr,
                                                       long nMaxWidth, DrawTextFlags nStyle, const vcl::ITextLayout& _rLayout );

    SAL_DLLPRIVATE void         ImplDrawEmphasisMark( long nBaseX, long nX, long nY, const tools::PolyPolygon& rPolyPoly, bool bPolyLine, const tools::Rectangle& rRect1, const tools::Rectangle& rRect2 );
    SAL_DLLPRIVATE void         ImplDrawEmphasisMarks( SalLayout& );



public:

    SystemTextLayoutData        GetSysTextLayoutData( const Point& rStartPt, const OUString& rStr,
                                                      sal_Int32 nIndex, sal_Int32 nLen,
                                                      const long* pDXAry ) const;

    // tells whether this output device is RTL in an LTR UI or LTR in a RTL UI
    SAL_DLLPRIVATE bool         ImplIsAntiparallel() const ;
    SAL_DLLPRIVATE void         ReMirror( Point &rPoint ) const;
    SAL_DLLPRIVATE void         ReMirror( tools::Rectangle &rRect ) const;
    SAL_DLLPRIVATE void         ReMirror( vcl::Region &rRegion ) const;
    SAL_DLLPRIVATE bool         ImplIsRecordLayout() const;
    virtual bool                HasMirroredGraphics() const;
    std::unique_ptr<SalLayout>
                                ImplLayout( const OUString&, sal_Int32 nIndex, sal_Int32 nLen,
                                            const Point& rLogicPos = Point(0,0), long nLogicWidth=0,
                                            const long* pLogicDXArray=nullptr, SalLayoutFlags flags = SalLayoutFlags::NONE,
                                            vcl::TextLayoutCache const* = nullptr,
                                            const SalLayoutGlyphs* pGlyphs = nullptr) const;
    SAL_DLLPRIVATE ImplLayoutArgs ImplPrepareLayoutArgs( OUString&, const sal_Int32 nIndex, const sal_Int32 nLen,
                                                         DeviceCoordinate nPixelWidth, const DeviceCoordinate* pPixelDXArray,
                                                         SalLayoutFlags flags = SalLayoutFlags::NONE,
                                                         vcl::TextLayoutCache const* = nullptr) const;
    SAL_DLLPRIVATE std::unique_ptr<SalLayout>
                                ImplGlyphFallbackLayout( std::unique_ptr<SalLayout>, ImplLayoutArgs& ) const;
    SAL_DLLPRIVATE std::unique_ptr<SalLayout>
                                getFallbackLayout(
                                    LogicalFontInstance* pLogicalFont, int nFallbackLevel,
                                    ImplLayoutArgs& rLayoutArgs) const;


    // Enabling/disabling RTL only makes sense for OutputDevices that use a mirroring SalGraphisLayout
    virtual void                EnableRTL( bool bEnable = true);
    bool                        IsRTLEnabled() const { return mbEnableRTL; }

    bool                        GetTextIsRTL( const OUString&, sal_Int32 nIndex, sal_Int32 nLen ) const;




public:

    void                        DrawBitmap(
                                    const Point& rDestPt,
                                    const Bitmap& rBitmap );

    void                        DrawBitmap(
                                    const Point& rDestPt,
                                    const Size& rDestSize,
                                    const Bitmap& rBitmap );

    void                        DrawBitmap(
                                    const Point& rDestPt,
                                    const Size& rDestSize,
                                    const Point& rSrcPtPixel,
                                    const Size& rSrcSizePixel,
                                    const Bitmap& rBitmap,
                                    MetaActionType nAction = MetaActionType::BMPSCALEPART );

    void                        DrawBitmapEx(
                                    const Point& rDestPt,
                                    const BitmapEx& rBitmapEx );


    void                        DrawBitmapEx(
                                    const Point& rDestPt,
                                    const Size& rDestSize,
                                    const BitmapEx& rBitmapEx );

    void                        DrawBitmapEx(
                                    const Point& rDestPt,
                                    const Size& rDestSize,
                                    const Point& rSrcPtPixel,
                                    const Size& rSrcSizePixel,
                                    const BitmapEx& rBitmapEx,
                                    MetaActionType nAction = MetaActionType::BMPEXSCALEPART );

    void                        DrawImage(
                                    const Point& rPos,
                                    const Image& rImage,
                                    DrawImageFlags nStyle = DrawImageFlags::NONE );

    void                        DrawImage(
                                    const Point& rPos,
                                    const Size& rSize,
                                    const Image& rImage,
                                    DrawImageFlags nStyle = DrawImageFlags::NONE );


    virtual Bitmap              GetBitmap( const Point& rSrcPt, const Size& rSize ) const;

    BitmapEx                    GetBitmapEx( const Point& rSrcPt, const Size& rSize ) const;


    void                        DrawTransformedBitmapEx(
                                    const basegfx::B2DHomMatrix& rTransformation,
                                    const BitmapEx& rBitmapEx);

    void                        DrawShadowBitmapEx(
                                    const BitmapEx& rBitmapEx,
                                    ::Color aShadowColor);
protected:

    virtual void                DrawDeviceBitmap(
                                    const Point& rDestPt, const Size& rDestSize,
                                    const Point& rSrcPtPixel, const Size& rSrcSizePixel,
                                    BitmapEx& rBitmapEx );

    virtual void                ScaleBitmap ( Bitmap &rBmp, SalTwoRect &rPosAry );

    virtual bool                DrawTransformBitmapExDirect(
                                    const basegfx::B2DHomMatrix& aFullTransform,
                                    const BitmapEx& rBitmapEx);

    virtual bool                TransformAndReduceBitmapExToTargetRange(
                                    const basegfx::B2DHomMatrix& aFullTransform,
                                    basegfx::B2DRange &aVisibleRange,
                                    double &fMaximumArea);

private:

    SAL_DLLPRIVATE void         DrawDeviceAlphaBitmap(
                                    const Bitmap& rBmp,
                                    const AlphaMask& rAlpha,
                                    const Point& rDestPt,
                                    const Size& rDestSize,
                                    const Point& rSrcPtPixel,
                                    const Size& rSrcSizePixel );

    SAL_DLLPRIVATE void DrawDeviceAlphaBitmapSlowPath(
                                const Bitmap& rBitmap, const AlphaMask& rAlpha,
                                tools::Rectangle aDstRect, tools::Rectangle aBmpRect,
                                Size const & aOutSz, Point const & aOutPt);


    SAL_DLLPRIVATE void         BlendBitmap(
                                    const SalTwoRect&   rPosAry,
                                    const Bitmap&       rBmp );

    SAL_DLLPRIVATE Bitmap       BlendBitmap(
                                    Bitmap&             aBmp,
                                    BitmapReadAccess const * pP,
                                    BitmapReadAccess const * pA,
                                    const sal_Int32     nOffY,
                                    const sal_Int32     nDstHeight,
                                    const sal_Int32     nOffX,
                                    const sal_Int32     nDstWidth,
                                    const tools::Rectangle&    aBmpRect,
                                    const Size&         aOutSz,
                                    const bool          bHMirr,
                                    const bool          bVMirr,
                                    const long*         pMapX,
                                    const long*         pMapY );

    SAL_DLLPRIVATE Bitmap       BlendBitmapWithAlpha(
                                    Bitmap&             aBmp,
                                    BitmapReadAccess const *   pP,
                                    BitmapReadAccess const *   pA,
                                    const tools::Rectangle&    aDstRect,
                                    const sal_Int32     nOffY,
                                    const sal_Int32     nDstHeight,
                                    const sal_Int32     nOffX,
                                    const sal_Int32     nDstWidth,
                                    const long*         pMapX,
                                    const long*         pMapY );

    SAL_DLLPRIVATE Bitmap       GetDownsampledBitmap(
                                    const Size& rDstSz,
                                    const Point& rSrcPt,
                                    const Size& rSrcSz,
                                    const Bitmap& rBmp,
                                    long nMaxBmpDPIX,
                                    long nMaxBmpDPIY );




public:

    bool                        RemoveTransparenciesFromMetaFile(
                                    const GDIMetaFile& rInMtf, GDIMetaFile& rOutMtf,
                                    long nMaxBmpDPIX, long nMaxBmpDPIY,
                                    bool bReduceTransparency,
                                    bool bTransparencyAutoMode,
                                    bool bDownsampleBitmaps,
                                    const Color& rBackground = COL_TRANSPARENT );

    SAL_DLLPRIVATE void         ImplPrintTransparent (
                                    const Bitmap& rBmp, const Bitmap& rMask,
                                    const Point& rDestPt, const Size& rDestSize,
                                    const Point& rSrcPtPixel, const Size& rSrcSizePixel );

    SAL_DLLPRIVATE Color        ImplDrawModeToColor  ( const Color& rColor ) const;


    void                        DrawTransparent( const tools::PolyPolygon& rPolyPoly, sal_uInt16 nTransparencePercent );

    void                        DrawTransparent(
                                    const basegfx::B2DHomMatrix& rObjectTransform,
                                    const basegfx::B2DPolyPolygon& rB2DPolyPoly,
                                    double fTransparency);

    void                        DrawTransparent(
                                        const GDIMetaFile& rMtf, const Point& rPos, const Size& rSize,
                                        const Gradient& rTransparenceGradient );

protected:

    virtual void                EmulateDrawTransparent( const tools::PolyPolygon& rPolyPoly, sal_uInt16 nTransparencePercent );
    void                        DrawInvisiblePolygon( const tools::PolyPolygon& rPolyPoly );

    virtual void                ClipAndDrawGradientMetafile ( const Gradient &rGradient, const tools::PolyPolygon &rPolyPoly );

private:

    SAL_DLLPRIVATE bool         DrawTransparentNatively( const tools::PolyPolygon& rPolyPoly, sal_uInt16 nTransparencePercent );



public:

    void                        DrawMask( const Point& rDestPt,
                                          const Bitmap& rBitmap, const Color& rMaskColor );

    void                        DrawMask( const Point& rDestPt, const Size& rDestSize,
                                          const Bitmap& rBitmap, const Color& rMaskColor );

    void                        DrawMask( const Point& rDestPt, const Size& rDestSize,
                                          const Point& rSrcPtPixel, const Size& rSrcSizePixel,
                                          const Bitmap& rBitmap, const Color& rMaskColor,
                                          MetaActionType nAction );

protected:

    virtual void                DrawDeviceMask (
                                         const Bitmap& rMask, const Color& rMaskColor,
                                         const Point& rDestPt, const Size& rDestSize,
                                         const Point& rSrcPtPixel, const Size& rSrcSizePixel );



public:

    void                        EnableMapMode( bool bEnable = true );
    bool                        IsMapModeEnabled() const { return mbMap; }

    void                        SetMapMode();
    virtual void                SetMapMode( const MapMode& rNewMapMode );
    void                        SetRelativeMapMode( const MapMode& rNewMapMode );
    const MapMode&              GetMapMode() const { return maMapMode; }

protected:
    virtual void ImplInitMapModeObjects();

public:
     // #i75163#
    basegfx::B2DHomMatrix       GetViewTransformation() const;
    basegfx::B2DHomMatrix       GetInverseViewTransformation() const;

    basegfx::B2DHomMatrix       GetViewTransformation( const MapMode& rMapMode ) const;
    basegfx::B2DHomMatrix       GetInverseViewTransformation( const MapMode& rMapMode ) const;


    void                        SetPixelOffset( const Size& rOffset );

    Size                        GetPixelOffset() const { return Size(mnOutOffOrigX, mnOutOffOrigY);}

    Point                       LogicToPixel( const Point& rLogicPt ) const;
    Size                        LogicToPixel( const Size& rLogicSize ) const;
    tools::Rectangle                   LogicToPixel( const tools::Rectangle& rLogicRect ) const;
    tools::Polygon              LogicToPixel( const tools::Polygon& rLogicPoly ) const;
    tools::PolyPolygon          LogicToPixel( const tools::PolyPolygon& rLogicPolyPoly ) const;
    basegfx::B2DPolyPolygon     LogicToPixel( const basegfx::B2DPolyPolygon& rLogicPolyPoly ) const;
    vcl::Region                 LogicToPixel( const vcl::Region& rLogicRegion )const;
    Point                       LogicToPixel( const Point& rLogicPt,
                                              const MapMode& rMapMode ) const;
    Size                        LogicToPixel( const Size& rLogicSize,
                                              const MapMode& rMapMode ) const;
    tools::Rectangle                   LogicToPixel( const tools::Rectangle& rLogicRect,
                                              const MapMode& rMapMode ) const;
    tools::Polygon              LogicToPixel( const tools::Polygon& rLogicPoly,
                                              const MapMode& rMapMode ) const;
    basegfx::B2DPolyPolygon     LogicToPixel( const basegfx::B2DPolyPolygon& rLogicPolyPoly,
                                              const MapMode& rMapMode ) const;

    Point                       PixelToLogic( const Point& rDevicePt ) const;
    Size                        PixelToLogic( const Size& rDeviceSize ) const;
    tools::Rectangle                   PixelToLogic( const tools::Rectangle& rDeviceRect ) const;
    tools::Polygon              PixelToLogic( const tools::Polygon& rDevicePoly ) const;
    tools::PolyPolygon          PixelToLogic( const tools::PolyPolygon& rDevicePolyPoly ) const;
    basegfx::B2DPolyPolygon     PixelToLogic( const basegfx::B2DPolyPolygon& rDevicePolyPoly ) const;
    vcl::Region                 PixelToLogic( const vcl::Region& rDeviceRegion ) const;
    Point                       PixelToLogic( const Point& rDevicePt,
                                              const MapMode& rMapMode ) const;
    Size                        PixelToLogic( const Size& rDeviceSize,
                                              const MapMode& rMapMode ) const;
    tools::Rectangle                   PixelToLogic( const tools::Rectangle& rDeviceRect,
                                              const MapMode& rMapMode ) const;
    tools::Polygon              PixelToLogic( const tools::Polygon& rDevicePoly,
                                              const MapMode& rMapMode ) const;
    basegfx::B2DPolygon         PixelToLogic( const basegfx::B2DPolygon& rDevicePoly,
                                              const MapMode& rMapMode ) const;
    basegfx::B2DPolyPolygon     PixelToLogic( const basegfx::B2DPolyPolygon& rDevicePolyPoly,
                                              const MapMode& rMapMode ) const;

    Point                       LogicToLogic( const Point&      rPtSource,
                                              const MapMode*    pMapModeSource,
                                              const MapMode*    pMapModeDest ) const;
    Size                        LogicToLogic( const Size&       rSzSource,
                                              const MapMode*    pMapModeSource,
                                              const MapMode*    pMapModeDest ) const;
    tools::Rectangle                   LogicToLogic( const tools::Rectangle&  rRectSource,
                                              const MapMode*    pMapModeSource,
                                              const MapMode*    pMapModeDest ) const;
    static Point                LogicToLogic( const Point&      rPtSource,
                                              const MapMode&    rMapModeSource,
                                              const MapMode&    rMapModeDest );
    static Size                 LogicToLogic( const Size&       rSzSource,
                                              const MapMode&    rMapModeSource,
                                              const MapMode&    rMapModeDest );
    static tools::Rectangle            LogicToLogic( const tools::Rectangle&  rRectSource,
                                              const MapMode&    rMapModeSource,
                                              const MapMode&    rMapModeDest );
    static long                 LogicToLogic( long              nLongSource,
                                              MapUnit           eUnitSource,
                                              MapUnit           eUnitDest );

    static basegfx::B2DPolygon  LogicToLogic( const basegfx::B2DPolygon& rPoly,
                                              const MapMode&    rMapModeSource,
                                              const MapMode&    rMapModeDest );

    // create a mapping transformation from rMapModeSource to rMapModeDest (the above methods
    // for B2DPoly/Polygons use this internally anyway to transform the B2DPolygon)
    static basegfx::B2DHomMatrix LogicToLogic(const MapMode& rMapModeSource, const MapMode& rMapModeDest);

    SAL_DLLPRIVATE tools::Rectangle    ImplLogicToDevicePixel( const tools::Rectangle& rLogicRect ) const;

    SAL_DLLPRIVATE Point        ImplLogicToDevicePixel( const Point& rLogicPt ) const;

    SAL_DLLPRIVATE long         ImplLogicWidthToDevicePixel( long nWidth ) const;

    SAL_DLLPRIVATE DeviceCoordinate LogicWidthToDeviceCoordinate( long nWidth ) const;

    SAL_DLLPRIVATE long         ImplLogicXToDevicePixel( long nX ) const;

    SAL_DLLPRIVATE long         ImplLogicYToDevicePixel( long nY ) const;

    SAL_DLLPRIVATE long         ImplLogicHeightToDevicePixel( long nHeight ) const;

    SAL_DLLPRIVATE long         ImplDevicePixelToLogicWidth( long nWidth ) const;

    SAL_DLLPRIVATE long         ImplDevicePixelToLogicHeight( long nHeight ) const;

    SAL_DLLPRIVATE float        ImplFloatLogicHeightToDevicePixel( float fLogicHeight ) const;

    SAL_DLLPRIVATE Size         ImplLogicToDevicePixel( const Size& rLogicSize ) const;

    SAL_DLLPRIVATE tools::Rectangle    ImplDevicePixelToLogic( const tools::Rectangle& rPixelRect ) const;

    SAL_DLLPRIVATE tools::Polygon ImplLogicToDevicePixel( const tools::Polygon& rLogicPoly ) const;

    SAL_DLLPRIVATE tools::PolyPolygon  ImplLogicToDevicePixel( const tools::PolyPolygon& rLogicPolyPoly ) const;

    SAL_DLLPRIVATE LineInfo     ImplLogicToDevicePixel( const LineInfo& rLineInfo ) const;

    SAL_DLLPRIVATE vcl::Region       ImplPixelToDevicePixel( const vcl::Region& rRegion ) const;

    SAL_DLLPRIVATE void         ImplInvalidateViewTransform();

    SAL_DLLPRIVATE basegfx::B2DHomMatrix ImplGetDeviceTransformation() const;



public:

    bool                        IsNativeControlSupported( ControlType nType, ControlPart nPart ) const;

    bool                        HitTestNativeScrollbar(
                                    ControlPart nPart,
                                    const tools::Rectangle& rControlRegion,
                                    const Point& aPos,
                                    bool& rIsInside ) const;

    bool                        DrawNativeControl(
                                    ControlType nType,
                                    ControlPart nPart,
                                    const tools::Rectangle& rControlRegion,
                                    ControlState nState,
                                    const ImplControlValue& aValue,
                                    const OUString& aCaption );

    bool                        GetNativeControlRegion(
                                    ControlType nType,
                                    ControlPart nPart,
                                    const tools::Rectangle& rControlRegion,
                                    ControlState nState,
                                    const ImplControlValue& aValue,
                                    tools::Rectangle &rNativeBoundingRegion,
                                    tools::Rectangle &rNativeContentRegion ) const;


public:

    bool                        DrawEPS(
                                    const Point& rPt, const Size& rSz,
                                    const GfxLink& rGfxLink, GDIMetaFile* pSubst = nullptr );
};

#endif // INCLUDED_VCL_OUTDEV_HXX

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