summaryrefslogtreecommitdiff
path: root/vcl/generic/glyphs/gcach_ftyp.hxx
diff options
context:
space:
mode:
Diffstat (limited to 'vcl/generic/glyphs/gcach_ftyp.hxx')
-rw-r--r--vcl/generic/glyphs/gcach_ftyp.hxx201
1 files changed, 201 insertions, 0 deletions
diff --git a/vcl/generic/glyphs/gcach_ftyp.hxx b/vcl/generic/glyphs/gcach_ftyp.hxx
new file mode 100644
index 000000000000..7386bb3d1e82
--- /dev/null
+++ b/vcl/generic/glyphs/gcach_ftyp.hxx
@@ -0,0 +1,201 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org. If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+#ifndef _SV_GCACHFTYP_HXX
+#define _SV_GCACHFTYP_HXX
+
+#include "generic/glyphcache.hxx"
+
+#include <rtl/textcvt.h>
+
+class FreetypeServerFont;
+#ifdef ENABLE_GRAPHITE
+class GraphiteFaceWrapper;
+#endif
+
+// -----------------------------------------------------------------------
+
+// FtFontFile has the responsibility that a font file is only mapped once.
+// (#86621#) the old directly ft-managed solution caused it to be mapped
+// in up to nTTC*nSizes*nOrientation*nSynthetic times
+class FtFontFile
+{
+public:
+ static FtFontFile* FindFontFile( const ::rtl::OString& rNativeFileName );
+
+ bool Map();
+ void Unmap();
+
+ const unsigned char* GetBuffer() const { return mpFileMap; }
+ int GetFileSize() const { return mnFileSize; }
+ const ::rtl::OString* GetFileName() const { return &maNativeFileName; }
+ int GetLangBoost() const { return mnLangBoost; }
+
+private:
+ FtFontFile( const ::rtl::OString& rNativeFileName );
+
+ const ::rtl::OString maNativeFileName;
+ const unsigned char* mpFileMap;
+ int mnFileSize;
+ int mnRefCount;
+ int mnLangBoost;
+};
+
+// -----------------------------------------------------------------------
+
+// FtFontInfo corresponds to an unscaled font face
+class FtFontInfo
+{
+public:
+ FtFontInfo( const ImplDevFontAttributes&,
+ const ::rtl::OString& rNativeFileName,
+ int nFaceNum, sal_IntPtr nFontId, int nSynthetic,
+ const ExtraKernInfo* );
+ ~FtFontInfo();
+
+ const unsigned char* GetTable( const char*, sal_uLong* pLength=0 ) const;
+
+ FT_FaceRec_* GetFaceFT();
+#ifdef ENABLE_GRAPHITE
+ GraphiteFaceWrapper* GetGraphiteFace();
+#endif
+ void ReleaseFaceFT( FT_FaceRec_* );
+
+ const ::rtl::OString* GetFontFileName() const { return mpFontFile->GetFileName(); }
+ int GetFaceNum() const { return mnFaceNum; }
+ int GetSynthetic() const { return mnSynthetic; }
+ sal_IntPtr GetFontId() const { return mnFontId; }
+ bool IsSymbolFont() const { return maDevFontAttributes.IsSymbolFont(); }
+ const ImplFontAttributes& GetFontAttributes() const { return maDevFontAttributes; }
+
+ void AnnounceFont( ImplDevFontList* );
+
+ int GetGlyphIndex( sal_UCS4 cChar ) const;
+ void CacheGlyphIndex( sal_UCS4 cChar, int nGI ) const;
+
+ bool GetFontCodeRanges( CmapResult& ) const;
+ const ImplFontCharMap* GetImplFontCharMap( void );
+
+ bool HasExtraKerning() const;
+ int GetExtraKernPairs( ImplKernPairData** ) const;
+ int GetExtraGlyphKernValue( int nLeftGlyph, int nRightGlyph ) const;
+
+private:
+ FT_FaceRec_* maFaceFT;
+ FtFontFile* mpFontFile;
+ const int mnFaceNum;
+ int mnRefCount;
+ const int mnSynthetic;
+#ifdef ENABLE_GRAPHITE
+ bool mbCheckedGraphite;
+ GraphiteFaceWrapper * mpGraphiteFace;
+#endif
+ sal_IntPtr mnFontId;
+ ImplDevFontAttributes maDevFontAttributes;
+
+ const ImplFontCharMap* mpFontCharMap;
+
+ // cache unicode->glyphid mapping because looking it up is expensive
+ // TODO: change to boost::unordered_multimap when a use case requires a m:n mapping
+ typedef ::boost::unordered_map<int,int> Int2IntMap;
+ mutable Int2IntMap* mpChar2Glyph;
+ mutable Int2IntMap* mpGlyph2Char;
+ void InitHashes() const;
+
+ const ExtraKernInfo* mpExtraKernInfo;
+};
+
+// these two inlines are very important for performance
+
+inline int FtFontInfo::GetGlyphIndex( sal_UCS4 cChar ) const
+{
+ if( !mpChar2Glyph )
+ return -1;
+ Int2IntMap::const_iterator it = mpChar2Glyph->find( cChar );
+ if( it == mpChar2Glyph->end() )
+ return -1;
+ return it->second;
+}
+
+inline void FtFontInfo::CacheGlyphIndex( sal_UCS4 cChar, int nIndex ) const
+{
+ if( !mpChar2Glyph )
+ InitHashes();
+ (*mpChar2Glyph)[ cChar ] = nIndex;
+ (*mpGlyph2Char)[ nIndex ] = cChar;
+}
+
+// -----------------------------------------------------------------------
+
+class FreetypeManager
+{
+public:
+ FreetypeManager();
+ ~FreetypeManager();
+
+ void AddFontFile( const rtl::OString& rNormalizedName,
+ int nFaceNum, sal_IntPtr nFontId, const ImplDevFontAttributes&,
+ const ExtraKernInfo* );
+ void AnnounceFonts( ImplDevFontList* ) const;
+ void ClearFontList();
+
+ ServerFont* CreateFont( const ImplFontSelectData& );
+
+private:
+ typedef ::boost::unordered_map<sal_IntPtr,FtFontInfo*> FontList;
+ FontList maFontList;
+
+ sal_IntPtr mnMaxFontId;
+ sal_IntPtr mnNextFontId;
+};
+
+// -----------------------------------------------------------------------
+
+class ImplFTSFontData : public ImplFontData
+{
+private:
+ FtFontInfo* mpFtFontInfo;
+ enum { IFTSFONT_MAGIC = 0x1F150A1C };
+
+public:
+ ImplFTSFontData( FtFontInfo*, const ImplDevFontAttributes& );
+
+ FtFontInfo* GetFtFontInfo() const { return mpFtFontInfo; }
+
+ virtual ImplFontEntry* CreateFontInstance( ImplFontSelectData& ) const;
+ virtual ImplFontData* Clone() const { return new ImplFTSFontData( *this ); }
+ virtual sal_IntPtr GetFontId() const { return mpFtFontInfo->GetFontId(); }
+
+ static bool CheckFontData( const ImplFontData& r ) { return r.CheckMagic( IFTSFONT_MAGIC ); }
+};
+
+// -----------------------------------------------------------------------
+
+#endif // _SV_GCACHFTYP_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */