10d63794cSAndrew Rist /**************************************************************
2cdf0e10cSrcweir *
30d63794cSAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one
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200d63794cSAndrew Rist *************************************************************/
210d63794cSAndrew Rist
220d63794cSAndrew Rist
23cdf0e10cSrcweir
24cdf0e10cSrcweir #ifndef _SV_GCACHFTYP_HXX
25cdf0e10cSrcweir #define _SV_GCACHFTYP_HXX
26cdf0e10cSrcweir
27cdf0e10cSrcweir #include <glyphcache.hxx>
28cdf0e10cSrcweir #include <rtl/textcvt.h>
29cdf0e10cSrcweir
30cdf0e10cSrcweir #include <ft2build.h>
31cdf0e10cSrcweir #include FT_FREETYPE_H
32cdf0e10cSrcweir
33cdf0e10cSrcweir class FreetypeServerFont;
34cdf0e10cSrcweir struct FT_GlyphRec_;
35cdf0e10cSrcweir
36cdf0e10cSrcweir // -----------------------------------------------------------------------
37cdf0e10cSrcweir
38cdf0e10cSrcweir // FtFontFile has the responsibility that a font file is only mapped once.
39cdf0e10cSrcweir // (#86621#) the old directly ft-managed solution caused it to be mapped
40cdf0e10cSrcweir // in up to nTTC*nSizes*nOrientation*nSynthetic times
41cdf0e10cSrcweir class FtFontFile
42cdf0e10cSrcweir {
43cdf0e10cSrcweir public:
44cdf0e10cSrcweir static FtFontFile* FindFontFile( const ::rtl::OString& rNativeFileName );
45cdf0e10cSrcweir
46cdf0e10cSrcweir bool Map();
47cdf0e10cSrcweir void Unmap();
48cdf0e10cSrcweir
GetBuffer() const49cdf0e10cSrcweir const unsigned char* GetBuffer() const { return mpFileMap; }
GetFileSize() const50cdf0e10cSrcweir int GetFileSize() const { return mnFileSize; }
GetFileName() const51cdf0e10cSrcweir const ::rtl::OString* GetFileName() const { return &maNativeFileName; }
GetLangBoost() const52cdf0e10cSrcweir int GetLangBoost() const { return mnLangBoost; }
53cdf0e10cSrcweir
54cdf0e10cSrcweir private:
55cdf0e10cSrcweir FtFontFile( const ::rtl::OString& rNativeFileName );
56cdf0e10cSrcweir
57cdf0e10cSrcweir const ::rtl::OString maNativeFileName;
58cdf0e10cSrcweir const unsigned char* mpFileMap;
59cdf0e10cSrcweir int mnFileSize;
60cdf0e10cSrcweir int mnRefCount;
61cdf0e10cSrcweir int mnLangBoost;
62cdf0e10cSrcweir };
63cdf0e10cSrcweir
64cdf0e10cSrcweir // -----------------------------------------------------------------------
65cdf0e10cSrcweir
66cdf0e10cSrcweir // FtFontInfo corresponds to an unscaled font face
67cdf0e10cSrcweir class FtFontInfo
68cdf0e10cSrcweir {
69cdf0e10cSrcweir public:
70cdf0e10cSrcweir FtFontInfo( const ImplDevFontAttributes&,
71cdf0e10cSrcweir const ::rtl::OString& rNativeFileName,
72cdf0e10cSrcweir int nFaceNum, sal_IntPtr nFontId, int nSynthetic,
73cdf0e10cSrcweir const ExtraKernInfo* );
74cdf0e10cSrcweir ~FtFontInfo();
75cdf0e10cSrcweir
76cdf0e10cSrcweir const unsigned char* GetTable( const char*, sal_uLong* pLength=0 ) const;
77cdf0e10cSrcweir
78cdf0e10cSrcweir FT_FaceRec_* GetFaceFT();
79cdf0e10cSrcweir void ReleaseFaceFT( FT_FaceRec_* );
80cdf0e10cSrcweir
GetFontFileName() const81cdf0e10cSrcweir const ::rtl::OString* GetFontFileName() const { return mpFontFile->GetFileName(); }
GetFaceNum() const82cdf0e10cSrcweir int GetFaceNum() const { return mnFaceNum; }
GetSynthetic() const83cdf0e10cSrcweir int GetSynthetic() const { return mnSynthetic; }
GetFontId() const84cdf0e10cSrcweir sal_IntPtr GetFontId() const { return mnFontId; }
IsSymbolFont() const85cdf0e10cSrcweir bool IsSymbolFont() const { return maDevFontAttributes.IsSymbolFont(); }
GetFontAttributes() const86cdf0e10cSrcweir const ImplFontAttributes& GetFontAttributes() const { return maDevFontAttributes; }
87cdf0e10cSrcweir
88cdf0e10cSrcweir void AnnounceFont( ImplDevFontList* );
89cdf0e10cSrcweir
90cdf0e10cSrcweir int GetGlyphIndex( sal_UCS4 cChar ) const;
91cdf0e10cSrcweir void CacheGlyphIndex( sal_UCS4 cChar, int nGI ) const;
92cdf0e10cSrcweir
93cdf0e10cSrcweir bool GetFontCodeRanges( CmapResult& ) const;
94cdf0e10cSrcweir const ImplFontCharMap* GetImplFontCharMap( void );
95cdf0e10cSrcweir
96cdf0e10cSrcweir bool HasExtraKerning() const;
97cdf0e10cSrcweir int GetExtraKernPairs( ImplKernPairData** ) const;
98cdf0e10cSrcweir int GetExtraGlyphKernValue( int nLeftGlyph, int nRightGlyph ) const;
99cdf0e10cSrcweir
100cdf0e10cSrcweir private:
101cdf0e10cSrcweir FT_FaceRec_* maFaceFT;
102cdf0e10cSrcweir FtFontFile* mpFontFile;
103cdf0e10cSrcweir const int mnFaceNum;
104cdf0e10cSrcweir int mnRefCount;
105cdf0e10cSrcweir const int mnSynthetic;
106cdf0e10cSrcweir
107cdf0e10cSrcweir sal_IntPtr mnFontId;
108cdf0e10cSrcweir ImplDevFontAttributes maDevFontAttributes;
109cdf0e10cSrcweir
110cdf0e10cSrcweir const ImplFontCharMap* mpFontCharMap;
111cdf0e10cSrcweir
112cdf0e10cSrcweir // cache unicode->glyphid mapping because looking it up is expensive
113cdf0e10cSrcweir // TODO: change to hash_multimap when a use case requires a m:n mapping
114cdf0e10cSrcweir typedef ::std::hash_map<int,int> Int2IntMap;
115cdf0e10cSrcweir mutable Int2IntMap* mpChar2Glyph;
116cdf0e10cSrcweir mutable Int2IntMap* mpGlyph2Char;
117cdf0e10cSrcweir void InitHashes() const;
118cdf0e10cSrcweir
119cdf0e10cSrcweir const ExtraKernInfo* mpExtraKernInfo;
120cdf0e10cSrcweir };
121cdf0e10cSrcweir
122cdf0e10cSrcweir // these two inlines are very important for performance
123cdf0e10cSrcweir
GetGlyphIndex(sal_UCS4 cChar) const124cdf0e10cSrcweir inline int FtFontInfo::GetGlyphIndex( sal_UCS4 cChar ) const
125cdf0e10cSrcweir {
126cdf0e10cSrcweir if( !mpChar2Glyph )
127cdf0e10cSrcweir return -1;
128cdf0e10cSrcweir Int2IntMap::const_iterator it = mpChar2Glyph->find( cChar );
129cdf0e10cSrcweir if( it == mpChar2Glyph->end() )
130cdf0e10cSrcweir return -1;
131cdf0e10cSrcweir return it->second;
132cdf0e10cSrcweir }
133cdf0e10cSrcweir
CacheGlyphIndex(sal_UCS4 cChar,int nIndex) const134cdf0e10cSrcweir inline void FtFontInfo::CacheGlyphIndex( sal_UCS4 cChar, int nIndex ) const
135cdf0e10cSrcweir {
136cdf0e10cSrcweir if( !mpChar2Glyph )
137cdf0e10cSrcweir InitHashes();
138cdf0e10cSrcweir (*mpChar2Glyph)[ cChar ] = nIndex;
139cdf0e10cSrcweir (*mpGlyph2Char)[ nIndex ] = cChar;
140cdf0e10cSrcweir }
141cdf0e10cSrcweir
142cdf0e10cSrcweir // -----------------------------------------------------------------------
143cdf0e10cSrcweir
144cdf0e10cSrcweir class FreetypeManager
145cdf0e10cSrcweir {
146cdf0e10cSrcweir public:
147cdf0e10cSrcweir FreetypeManager();
148cdf0e10cSrcweir ~FreetypeManager();
149cdf0e10cSrcweir
150cdf0e10cSrcweir long AddFontDir( const String& rUrlName );
151cdf0e10cSrcweir void AddFontFile( const rtl::OString& rNormalizedName,
152cdf0e10cSrcweir int nFaceNum, sal_IntPtr nFontId, const ImplDevFontAttributes&,
153cdf0e10cSrcweir const ExtraKernInfo* );
154cdf0e10cSrcweir void AnnounceFonts( ImplDevFontList* ) const;
155cdf0e10cSrcweir void ClearFontList();
156cdf0e10cSrcweir
157cdf0e10cSrcweir FreetypeServerFont* CreateFont( const ImplFontSelectData& );
158cdf0e10cSrcweir
159cdf0e10cSrcweir private:
160cdf0e10cSrcweir typedef ::std::hash_map<sal_IntPtr,FtFontInfo*> FontList;
161cdf0e10cSrcweir FontList maFontList;
162cdf0e10cSrcweir
163cdf0e10cSrcweir sal_IntPtr mnMaxFontId;
164cdf0e10cSrcweir sal_IntPtr mnNextFontId;
165cdf0e10cSrcweir };
166cdf0e10cSrcweir
167cdf0e10cSrcweir // -----------------------------------------------------------------------
168cdf0e10cSrcweir
169cdf0e10cSrcweir class FreetypeServerFont : public ServerFont
170cdf0e10cSrcweir {
171cdf0e10cSrcweir public:
172cdf0e10cSrcweir FreetypeServerFont( const ImplFontSelectData&, FtFontInfo* );
173cdf0e10cSrcweir virtual ~FreetypeServerFont();
174cdf0e10cSrcweir
GetFontFileName() const175cdf0e10cSrcweir virtual const ::rtl::OString* GetFontFileName() const { return mpFontInfo->GetFontFileName(); }
GetFontFaceNum() const176cdf0e10cSrcweir virtual int GetFontFaceNum() const { return mpFontInfo->GetFaceNum(); }
177cdf0e10cSrcweir virtual bool TestFont() const;
178cdf0e10cSrcweir virtual void* GetFtFace() const;
179cdf0e10cSrcweir virtual void SetFontOptions( const ImplFontOptions&);
GetLoadFlags() const180cdf0e10cSrcweir virtual int GetLoadFlags() const { return (mnLoadFlags & ~FT_LOAD_IGNORE_TRANSFORM); }
NeedsArtificialBold() const181cdf0e10cSrcweir virtual bool NeedsArtificialBold() const { return mbArtBold; }
NeedsArtificialItalic() const182cdf0e10cSrcweir virtual bool NeedsArtificialItalic() const { return mbArtItalic; }
183cdf0e10cSrcweir
184cdf0e10cSrcweir virtual void FetchFontMetric( ImplFontMetricData&, long& rFactor ) const;
185cdf0e10cSrcweir virtual const ImplFontCharMap* GetImplFontCharMap( void ) const;
186cdf0e10cSrcweir
187*248a599fSHerbert Dürr virtual sal_GlyphId GetGlyphIndex( sal_UCS4 ) const;
188*248a599fSHerbert Dürr sal_GlyphId GetRawGlyphIndex( sal_UCS4 ) const;
189*248a599fSHerbert Dürr sal_GlyphId FixupGlyphIndex( sal_GlyphId, sal_UCS4 ) const;
190cdf0e10cSrcweir
191cdf0e10cSrcweir virtual bool GetAntialiasAdvice( void ) const;
192*248a599fSHerbert Dürr virtual bool GetGlyphBitmap1( sal_GlyphId, RawBitmap& ) const;
193*248a599fSHerbert Dürr virtual bool GetGlyphBitmap8( sal_GlyphId, RawBitmap& ) const;
194*248a599fSHerbert Dürr virtual bool GetGlyphOutline( sal_GlyphId, ::basegfx::B2DPolyPolygon& ) const;
195cdf0e10cSrcweir virtual int GetGlyphKernValue( int nLeftGlyph, int nRightGlyph ) const;
196cdf0e10cSrcweir virtual sal_uLong GetKernPairs( ImplKernPairData** ) const;
197cdf0e10cSrcweir
GetTable(const char * pName,sal_uLong * pLength)198cdf0e10cSrcweir const unsigned char* GetTable( const char* pName, sal_uLong* pLength )
199cdf0e10cSrcweir { return mpFontInfo->GetTable( pName, pLength ); }
200cdf0e10cSrcweir int GetEmUnits() const;
GetMetricsFT() const201cdf0e10cSrcweir const FT_Size_Metrics& GetMetricsFT() const { return maSizeFT->metrics; }
202cdf0e10cSrcweir
203cdf0e10cSrcweir protected:
204cdf0e10cSrcweir friend class GlyphCache;
205cdf0e10cSrcweir
206cdf0e10cSrcweir int ApplyGlyphTransform( int nGlyphFlags, FT_GlyphRec_*, bool ) const;
207*248a599fSHerbert Dürr virtual void InitGlyphData( sal_GlyphId, GlyphData& ) const;
208cdf0e10cSrcweir bool ApplyGSUB( const ImplFontSelectData& );
209cdf0e10cSrcweir virtual ServerFontLayoutEngine* GetLayoutEngine();
210cdf0e10cSrcweir
211cdf0e10cSrcweir private:
212cdf0e10cSrcweir int mnWidth;
213cdf0e10cSrcweir int mnPrioEmbedded;
214cdf0e10cSrcweir int mnPrioAntiAlias;
215cdf0e10cSrcweir int mnPrioAutoHint;
216cdf0e10cSrcweir FtFontInfo* mpFontInfo;
217cdf0e10cSrcweir FT_Int mnLoadFlags;
218cdf0e10cSrcweir double mfStretch;
219cdf0e10cSrcweir FT_FaceRec_* maFaceFT;
220cdf0e10cSrcweir FT_SizeRec_* maSizeFT;
221cdf0e10cSrcweir
222cdf0e10cSrcweir bool mbFaceOk;
223cdf0e10cSrcweir bool mbArtItalic;
224cdf0e10cSrcweir bool mbArtBold;
225cdf0e10cSrcweir bool mbUseGamma;
226cdf0e10cSrcweir
227cdf0e10cSrcweir typedef ::std::hash_map<int,int> GlyphSubstitution;
228cdf0e10cSrcweir GlyphSubstitution maGlyphSubstitution;
229cdf0e10cSrcweir rtl_UnicodeToTextConverter maRecodeConverter;
230cdf0e10cSrcweir
231cdf0e10cSrcweir ServerFontLayoutEngine* mpLayoutEngine;
232cdf0e10cSrcweir };
233cdf0e10cSrcweir
234cdf0e10cSrcweir // -----------------------------------------------------------------------
235cdf0e10cSrcweir
236cdf0e10cSrcweir class ImplFTSFontData : public ImplFontData
237cdf0e10cSrcweir {
238cdf0e10cSrcweir private:
239cdf0e10cSrcweir FtFontInfo* mpFtFontInfo;
240cdf0e10cSrcweir enum { IFTSFONT_MAGIC = 0x1F150A1C };
241cdf0e10cSrcweir
242cdf0e10cSrcweir public:
243cdf0e10cSrcweir ImplFTSFontData( FtFontInfo*, const ImplDevFontAttributes& );
244cdf0e10cSrcweir
GetFtFontInfo() const245cdf0e10cSrcweir FtFontInfo* GetFtFontInfo() const { return mpFtFontInfo; }
246cdf0e10cSrcweir
247cdf0e10cSrcweir virtual ImplFontEntry* CreateFontInstance( ImplFontSelectData& ) const;
Clone() const248cdf0e10cSrcweir virtual ImplFontData* Clone() const { return new ImplFTSFontData( *this ); }
GetFontId() const249cdf0e10cSrcweir virtual sal_IntPtr GetFontId() const { return mpFtFontInfo->GetFontId(); }
250cdf0e10cSrcweir
CheckFontData(const ImplFontData & r)251cdf0e10cSrcweir static bool CheckFontData( const ImplFontData& r ) { return r.CheckMagic( IFTSFONT_MAGIC ); }
252cdf0e10cSrcweir };
253cdf0e10cSrcweir
254cdf0e10cSrcweir // -----------------------------------------------------------------------
255cdf0e10cSrcweir
256cdf0e10cSrcweir #endif // _SV_GCACHFTYP_HXX
257