LibreOffice Module vcl (master)  1
cairotextrender.hxx
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19 
20 #ifndef INCLUDED_VCL_INC_UNX_CAIROTEXTRENDER_HXX
21 #define INCLUDED_VCL_INC_UNX_CAIROTEXTRENDER_HXX
22 
23 #include <textrender.hxx>
24 
25 class FreetypeFont;
26 class GlyphCache;
27 typedef struct _cairo cairo_t;
28 
30 {
31  FreetypeFont* mpFreetypeFont[ MAX_FALLBACK ];
32 
34 
35 protected:
36  virtual GlyphCache& getPlatformGlyphCache() = 0;
37  virtual cairo_t* getCairoContext() = 0;
38  virtual void getSurfaceOffset(double& nDX, double& nDY) = 0;
39  virtual void releaseCairoContext(cairo_t* cr) = 0;
40 
41  void setFont(LogicalFontInstance *pEntry, int nFallbackLevel);
42 
43  virtual void clipRegion(cairo_t* cr) = 0;
44 
45 public:
47 
48 
49  virtual void SetTextColor( Color nColor ) override;
50  virtual void SetFont(LogicalFontInstance*, int nFallbackLevel) override;
51  virtual void GetFontMetric( ImplFontMetricDataRef&, int nFallbackLevel ) override;
52  virtual FontCharMapRef GetFontCharMap() const override;
53  virtual bool GetFontCapabilities(vcl::FontCapabilities &rFontCapabilities) const override;
54  virtual void GetDevFontList( PhysicalFontCollection* ) override;
55  virtual void ClearDevFontCache() override;
56  virtual bool AddTempDevFont( PhysicalFontCollection*, const OUString& rFileURL, const OUString& rFontName ) override;
57  virtual bool CreateFontSubset(
58  const OUString& rToFile,
59  const PhysicalFontFace*,
60  const sal_GlyphId* pGlyphIDs,
61  const sal_uInt8* pEncoding,
62  sal_Int32* pWidths,
63  int nGlyphs,
64  FontSubsetInfo& rInfo) override;
65 
66  virtual const void* GetEmbedFontData(const PhysicalFontFace*, long* pDataLen) override;
67  virtual void FreeEmbedFontData( const void* pData, long nDataLen ) override;
68  virtual void GetGlyphWidths(
69  const PhysicalFontFace*,
70  bool bVertical,
71  std::vector< sal_Int32 >& rWidths,
72  Ucs2UIntMap& rUnicodeEnc ) override;
73 
74  virtual std::unique_ptr<GenericSalLayout>
75  GetTextLayout(int nFallbackLevel) override;
76  virtual void DrawTextLayout(const GenericSalLayout&, const SalGraphics&) override;
77 #if ENABLE_CAIRO_CANVAS
78  virtual SystemFontData GetSysFontData( int nFallbackLevel ) const override;
79 #endif
80 };
81 
82 #endif
83 
84 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
virtual void SetFont(LogicalFontInstance *, int nFallbackLevel)=0
virtual void GetGlyphWidths(const PhysicalFontFace *, bool bVertical, std::vector< sal_Int32 > &rWidths, Ucs2UIntMap &rUnicodeEnc)=0
#define VCL_DLLPUBLIC
Definition: dllapi.h:29
#define MAX_FALLBACK
Definition: sallayout.hxx:41
sal_uInt16 sal_GlyphId
Definition: glyphitem.hxx:26
virtual bool GetFontCapabilities(vcl::FontCapabilities &rFontCapabilities) const =0
virtual void DrawTextLayout(const GenericSalLayout &, const SalGraphics &)=0
abstract base class for physical font faces
struct _cairo cairo_t
Definition: svpgdi.hxx:69
virtual void SetTextColor(Color nColor)=0
unsigned char sal_uInt8
virtual void GetDevFontList(PhysicalFontCollection *)=0
virtual bool AddTempDevFont(PhysicalFontCollection *, const OUString &rFileURL, const OUString &rFontName)=0
virtual void GetFontMetric(ImplFontMetricDataRef &, int nFallbackLevel)=0
virtual FontCharMapRef GetFontCharMap() const =0
virtual std::unique_ptr< GenericSalLayout > GetTextLayout(int nFallbackLevel)=0
virtual void ClearDevFontCache()=0
std::map< sal_Ucs, sal_uInt32 > Ucs2UIntMap
Definition: salgdi.hxx:62
virtual const void * GetEmbedFontData(const PhysicalFontFace *, long *pDataLen)=0
virtual void FreeEmbedFontData(const void *pData, long nDataLen)=0
virtual bool CreateFontSubset(const OUString &rToFile, const PhysicalFontFace *, const sal_GlyphId *pGlyphIDs, const sal_uInt8 *pEncoding, sal_Int32 *pWidths, int nGlyphs, FontSubsetInfo &rInfo)=0