LibreOffice Module vcl (master)  1
freetype_glyphcache.hxx
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19 
20 #ifndef INCLUDED_VCL_GENERIC_GLYPHS_GCACH_FTYP_HXX
21 #define INCLUDED_VCL_GENERIC_GLYPHS_GCACH_FTYP_HXX
22 
23 #include <unx/glyphcache.hxx>
24 #include <PhysicalFontFace.hxx>
25 #include <fontinstance.hxx>
26 #include <vcl/glyphitem.hxx>
27 
28 class CmapResult;
29 
30 // FreetypeFontFile has the responsibility that a font file is only mapped once.
31 // (#86621#) the old directly ft-managed solution caused it to be mapped
32 // in up to nTTC*nSizes*nOrientation*nSynthetic times
33 class FreetypeFontFile final
34 {
35 public:
36  bool Map();
37  void Unmap();
38 
39  const unsigned char* GetBuffer() const { return mpFileMap; }
40  int GetFileSize() const { return mnFileSize; }
41  const OString& GetFileName() const { return maNativeFileName; }
42  int GetLangBoost() const { return mnLangBoost; }
43 
44 private:
45  friend class FreetypeManager;
46  explicit FreetypeFontFile( const OString& rNativeFileName );
47 
48  const OString maNativeFileName;
49  unsigned char* mpFileMap;
53 };
54 
55 // FreetypeFontInfo corresponds to an unscaled font face
56 class FreetypeFontInfo final
57 {
58 public:
60 
61  const unsigned char* GetTable( const char*, sal_uLong* pLength) const;
62 
63  FT_FaceRec_* GetFaceFT();
64  void ReleaseFaceFT();
65 
66  const OString& GetFontFileName() const { return mpFontFile->GetFileName(); }
67  int GetFontFaceIndex() const { return mnFaceNum; }
68  int GetFontFaceVariation() const { return mnFaceVariation; }
69  sal_IntPtr GetFontId() const { return mnFontId; }
70  bool IsSymbolFont() const { return maDevFontAttributes.IsSymbolFont(); }
72 
74 
76 
77 private:
78  friend class FreetypeManager;
79  explicit FreetypeFontInfo(const FontAttributes&, FreetypeFontFile* const pFontFile,
80  int nFaceNum, int nFaceVariation, sal_IntPtr nFontId);
81 
82  FT_FaceRec_* maFaceFT;
84  const int mnFaceNum;
85  const int mnFaceVariation;
87  sal_IntPtr const mnFontId;
89 
91 };
92 
94 {
95 private:
97 
98 public:
100 
102  virtual sal_IntPtr GetFontId() const override { return mpFreetypeFontInfo->GetFontId(); }
103 };
104 
106 {
108 
110 
111  virtual hb_font_t* ImplInitHbFont() override;
112  virtual bool ImplGetGlyphBoundRect(sal_GlyphId, tools::Rectangle&, bool) const override;
113 
114 protected:
115  explicit FreetypeFontInstance(const PhysicalFontFace& rPFF, const FontSelectPattern& rFSP);
116 
117 public:
118  virtual ~FreetypeFontInstance() override;
119 
120  void SetFreetypeFont(FreetypeFont* p);
122 
123  virtual bool GetGlyphOutline(sal_GlyphId, basegfx::B2DPolyPolygon&, bool) const override;
124 };
125 
126 #endif // INCLUDED_VCL_GENERIC_GLYPHS_GCACH_FTYP_HXX
127 
128 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
virtual ~FreetypeFontInstance() override
FontCharMapRef mxFontCharMap
const FontCharMapRef & GetFontCharMap()
void AnnounceFont(PhysicalFontCollection *)
FreetypeFontInfo *const mpFreetypeFontInfo
sal_uIntPtr sal_uLong
sal_IntPtr GetFontId() const
FreetypeFontInstance(const PhysicalFontFace &rPFF, const FontSelectPattern &rFSP)
const OString maNativeFileName
virtual bool ImplGetGlyphBoundRect(sal_GlyphId, tools::Rectangle &, bool) const override
sal_uInt16 sal_GlyphId
Definition: glyphitem.hxx:26
virtual sal_IntPtr GetFontId() const override
virtual hb_font_t * ImplInitHbFont() override
int GetFontFaceVariation() const
abstract base class for physical font faces
FreetypeFontFile *const mpFontFile
unsigned char * mpFileMap
int GetFontFaceIndex() const
The FreetypeManager caches various aspects of Freetype fonts.
Definition: glyphcache.hxx:78
const OString & GetFileName() const
const unsigned char * GetBuffer() const
FreetypeFontFile(const OString &rNativeFileName)
const OString & GetFontFileName() const
FreetypeFont * GetFreetypeFont() const
FreetypeFontInfo(const FontAttributes &, FreetypeFontFile *const pFontFile, int nFaceNum, int nFaceVariation, sal_IntPtr nFontId)
FontAttributes maDevFontAttributes
virtual bool GetGlyphOutline(sal_GlyphId, basegfx::B2DPolyPolygon &, bool) const override
virtual rtl::Reference< LogicalFontInstance > CreateFontInstance(const FontSelectPattern &) const override
sal_IntPtr const mnFontId
const FontAttributes & GetFontAttributes() const
FreetypeFontFace(FreetypeFontInfo *, const FontAttributes &)
bool IsSymbolFont() const
void SetFreetypeFont(FreetypeFont *p)
FT_FaceRec_ * GetFaceFT()
bool IsSymbolFont() const
const unsigned char * GetTable(const char *, sal_uLong *pLength) const