genpspgraphics.h

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 *   Licensed to the Apache Software Foundation (ASF) under one or more
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#pragma once
 
#include <sal/config.h>
 
#include <vcl/vclenum.hxx>
#include <config_cairo_canvas.h>
 
#include <unx/fontmanager.hxx>
#include <salgdi.hxx>
#include <sallayout.hxx>
 
#include <unx/GenPspGfxBackend.hxx>
 
namespace vcl::font
{
class PhysicalFontFace;
class PhysicalFontCollection;
}
 
namespace psp { struct JobData; class PrinterGfx; }
 
class FreetypeFontInstance;
class FontAttributes;
class SalInfoPrinter;
class ImplFontMetricData;
 
class VCL_DLLPUBLIC GenPspGraphics final : public SalGraphicsAutoDelegateToImpl
{
    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( vcl::font::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 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( vcl::font::PhysicalFontCollection* ) override;
    // graphics must drop any cached font info
    virtual void            ClearDevFontCache() override;
    virtual bool            AddTempDevFont( vcl::font::PhysicalFontCollection*,
                                            const OUString& rFileURL,
                                            const OUString& rFontName ) override;
    static bool             AddTempDevFontHelper( vcl::font::PhysicalFontCollection* pFontCollection,
                                                  std::u16string_view rFileURL,
                                                  const OUString& rFontName);
 
    virtual bool            CreateFontSubset( const OUString& rToFile,
                                              const vcl::font::PhysicalFontFace*,
                                              const sal_GlyphId* pGlyphIDs,
                                              const sal_uInt8* pEncoding,
                                              sal_Int32* pWidths,
                                              int nGlyphs,
                                              FontSubsetInfo& rInfo ) override;
    virtual const void*     GetEmbedFontData(const vcl::font::PhysicalFontFace*, tools::Long* pDataLen) override;
    virtual void            FreeEmbedFontData( const void* pData, tools::Long nDataLen ) override;
    virtual void            GetGlyphWidths( const vcl::font::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 SystemGraphicsData GetGraphicsData() const override;
 
#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
};
 
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