genpspgraphics.h

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#ifndef INCLUDED_VCL_INC_GENERIC_GENPSPGRAPHICS_H
#define INCLUDED_VCL_INC_GENERIC_GENPSPGRAPHICS_H

#include <vcl/vclenum.hxx>
#include <config_cairo_canvas.h>

#include <unx/fontmanager.hxx>
#include <salgdi.hxx>
#include <sallayout.hxx>

#include <unx/GenPspGfxBackend.hxx>

class PhysicalFontFace;
class PhysicalFontCollection;

namespace psp { struct JobData; class PrinterGfx; }

class FreetypeFontInstance;
class FontAttributes;
class SalInfoPrinter;
class ImplFontMetricData;

class VCL_DLLPUBLIC GenPspGraphics final : public SalGraphics
{
    std::unique_ptr<GenPspGfxBackend> m_pBackend;

    psp::JobData*           m_pJobData;
    psp::PrinterGfx*        m_pPrinterGfx;

    rtl::Reference<FreetypeFontInstance>
                            m_pFreetypeFont[ MAX_FALLBACK ];
public:
                            GenPspGraphics();
    virtual                ~GenPspGraphics() override;

    void                    Init( psp::JobData* pJob, psp::PrinterGfx* pGfx );

    // helper methods
    static const void *     DoGetEmbedFontData(psp::fontID aFont, tools::Long* pDataLen);
    static void             DoFreeEmbedFontData( const void* pData, tools::Long nLen );

    // helper methods for sharing with X11SalGraphics
    static void             DoGetGlyphWidths( psp::fontID aFont,
                                              bool bVertical,
                                              std::vector< sal_Int32 >& rWidths,
                                              Ucs2UIntMap& rUnicodeEnc );

    static FontAttributes Info2FontAttributes( const psp::FastPrintFontInfo& );
    static void             AnnounceFonts( PhysicalFontCollection*,
                                           const psp::FastPrintFontInfo& );

    // override all pure virtual methods
    virtual SalGraphicsImpl* GetImpl() const override
    {
        return m_pBackend.get();
    }

    virtual void            GetResolution( sal_Int32& rDPIX, sal_Int32& rDPIY ) override;
    virtual sal_uInt16      GetBitCount() const override;
    virtual tools::Long            GetGraphicsWidth() const override;

    virtual void            ResetClipRegion() override;
    virtual bool            setClipRegion( const vcl::Region& ) override;

    virtual void            SetLineColor() override;
    virtual void            SetLineColor( Color nColor ) override;
    virtual void            SetFillColor() override;
    virtual void            SetFillColor( Color nColor ) override;
    virtual void            SetXORMode( bool bSet, bool ) override;
    virtual void            SetROPLineColor( SalROPColor nROPColor ) override;
    virtual void            SetROPFillColor( SalROPColor nROPColor ) override;

    virtual void            SetTextColor( Color nColor ) override;
    virtual void            SetFont(LogicalFontInstance*, int nFallbackLevel) override;
    virtual void            GetFontMetric( ImplFontMetricDataRef&, int nFallbackLevel ) override;
    virtual FontCharMapRef  GetFontCharMap() const override;
    virtual bool            GetFontCapabilities(vcl::FontCapabilities &rFontCapabilities) const override;
    virtual void            GetDevFontList( PhysicalFontCollection* ) override;
    // graphics must drop any cached font info
    virtual void            ClearDevFontCache() override;
    virtual bool            AddTempDevFont( PhysicalFontCollection*,
                                            const OUString& rFileURL,
                                            const OUString& rFontName ) override;
    static bool             AddTempDevFontHelper( PhysicalFontCollection* pFontCollection,
                                                  const OUString& rFileURL,
                                                  const OUString& rFontName);

    virtual bool            CreateFontSubset( const OUString& rToFile,
                                              const PhysicalFontFace*,
                                              const sal_GlyphId* pGlyphIDs,
                                              const sal_uInt8* pEncoding,
                                              sal_Int32* pWidths,
                                              int nGlyphs,
                                              FontSubsetInfo& rInfo ) override;
    virtual const void*     GetEmbedFontData(const PhysicalFontFace*, tools::Long* pDataLen) override;
    virtual void            FreeEmbedFontData( const void* pData, tools::Long nDataLen ) override;
    virtual void            GetGlyphWidths( const PhysicalFontFace*,
                                            bool bVertical,
                                            std::vector< sal_Int32 >& rWidths,
                                            Ucs2UIntMap& rUnicodeEnc ) override;
    virtual std::unique_ptr<GenericSalLayout>
                            GetTextLayout(int nFallbackLevel) override;
    virtual void            DrawTextLayout( const GenericSalLayout& ) override;
    virtual bool            supportsOperation( OutDevSupportType ) const override;
    virtual void            drawPixel( tools::Long nX, tools::Long nY ) override;
    virtual void            drawPixel( tools::Long nX, tools::Long nY, Color nColor ) override;
    virtual void            drawLine( tools::Long nX1, tools::Long nY1, tools::Long nX2, tools::Long nY2 ) override;
    virtual void            drawRect( tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight ) override;
    virtual void            drawPolyLine( sal_uInt32 nPoints, const Point* pPtAry ) override;
    virtual void            drawPolygon( sal_uInt32 nPoints, const Point* pPtAry ) override;
    virtual void            drawPolyPolygon( sal_uInt32 nPoly,
                                             const sal_uInt32* pPoints,
                                             const Point** pPtAry ) override;

    virtual bool            drawPolyPolygon(
                                const basegfx::B2DHomMatrix& rObjectToDevice,
                                const basegfx::B2DPolyPolygon&,
                                double fTransparency) override;

    virtual bool            drawPolyLine(
                                const basegfx::B2DHomMatrix& rObjectToDevice,
                                const basegfx::B2DPolygon&,
                                double fTransparency,
                                double fLineWidth,
                                const std::vector< double >* pStroke, // MM01
                                basegfx::B2DLineJoin,
                                css::drawing::LineCap,
                                double fMiterMinimumAngle,
                                bool bPixelSnapHairline) override;
    virtual bool            drawPolyLineBezier( sal_uInt32 nPoints,
                                                const Point* pPtAry,
                                                const PolyFlags* pFlgAry ) override;
    virtual bool            drawPolygonBezier( sal_uInt32 nPoints,
                                               const Point* pPtAry,
                                               const PolyFlags* pFlgAry ) override;
    virtual bool            drawPolyPolygonBezier( sal_uInt32 nPoly,
                                                   const sal_uInt32* pPoints,
                                                   const Point* const* pPtAry,
                                                   const PolyFlags* const* pFlgAry ) override;

    virtual void            copyArea( tools::Long nDestX,
                                      tools::Long nDestY,
                                      tools::Long nSrcX,
                                      tools::Long nSrcY,
                                      tools::Long nSrcWidth,
                                      tools::Long nSrcHeight,
                                      bool bWindowInvalidate) override;
    virtual void            copyBits( const SalTwoRect& rPosAry,
                                      SalGraphics* pSrcGraphics ) override;
    virtual void            drawBitmap( const SalTwoRect& rPosAry,
                                        const SalBitmap& rSalBitmap ) override;
    virtual void            drawBitmap( const SalTwoRect& rPosAry,
                                        const SalBitmap& rSalBitmap,
                                        const SalBitmap& rTransparentBitmap ) override;
    virtual void            drawMask( const SalTwoRect& rPosAry,
                                      const SalBitmap& rSalBitmap,
                                      Color nMaskColor ) override;
    virtual std::shared_ptr<SalBitmap> getBitmap( tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight ) override;
    virtual Color           getPixel( tools::Long nX, tools::Long nY ) override;
    virtual void            invert( tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight,
                                    SalInvert nFlags ) override;
    virtual void            invert( sal_uInt32 nPoints, const Point* pPtAry,
                                    SalInvert nFlags ) override;

    virtual bool            drawEPS( tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight,
                                     void* pPtr, sal_uInt32 nSize ) override;
    virtual bool            blendBitmap( const SalTwoRect&,
                                         const SalBitmap& rBitmap ) override;
    virtual bool            blendAlphaBitmap( const SalTwoRect&,
                                              const SalBitmap& rSrcBitmap,
                                              const SalBitmap& rMaskBitmap,
                                              const SalBitmap& rAlphaBitmap ) override;
    virtual bool            drawAlphaBitmap( const SalTwoRect&,
                                             const SalBitmap& rSourceBitmap,
                                             const SalBitmap& rAlphaBitmap ) override;
    virtual bool            drawTransformedBitmap( const basegfx::B2DPoint& rNull,
                                                   const basegfx::B2DPoint& rX,
                                                   const basegfx::B2DPoint& rY,
                                                   const SalBitmap& rSourceBitmap,
                                                   const SalBitmap* pAlphaBitmap,
                                                   double fAlpha) override;
    virtual bool            hasFastDrawTransformedBitmap() const override;
    virtual bool            drawAlphaRect( tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight,
                                           sal_uInt8 nTransparency ) override;

    virtual bool drawGradient(const tools::PolyPolygon& rPolygon, const Gradient& rGradient) override;
    virtual bool implDrawGradient(basegfx::B2DPolyPolygon const& rPolyPolygon, SalGradient const& rGradient) override;

    virtual SystemGraphicsData GetGraphicsData() const override;

    virtual OUString getRenderBackendName() const override { return "genpsp"; }

#if ENABLE_CAIRO_CANVAS
    virtual bool            SupportsCairo() const override;
    virtual cairo::SurfaceSharedPtr CreateSurface(const cairo::CairoSurfaceSharedPtr& rSurface) const override;
    virtual cairo::SurfaceSharedPtr CreateSurface(const OutputDevice& rRefDevice, int x, int y, int width, int height) const override;
    virtual cairo::SurfaceSharedPtr CreateBitmapSurface(const OutputDevice& rRefDevice, const BitmapSystemData& rData, const Size& rSize) const override;
    virtual css::uno::Any   GetNativeSurfaceHandle(cairo::SurfaceSharedPtr& rSurface, const basegfx::B2ISize& rSize) const override;
#endif // ENABLE_CAIRO_CANVAS
};

#endif // INCLUDED_VCL_INC_GENERIC_GENPSPGRAPHICS_H

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