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GlyphPositioningTables.h

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00001 /*
00002  * @(#)GlyphPositioningTables.h 1.7 00/03/15
00003  *
00004  * (C) Copyright IBM Corp. 1998, 1999, 2000 - All Rights Reserved
00005  *
00006  */
00007 
00008 #ifndef __GLYPHPOSITIONINGTABLES_H
00009 #define __GLYPHPOSITIONINGTABLES_H
00010 
00011 #include "LETypes.h"
00012 #include "LEFontInstance.h"
00013 #include "OpenTypeTables.h"
00014 #include "Lookups.h"
00015 #include "GlyphDefinitionTables.h"
00016 #include "GlyphPositionAdjustments.h"
00017 
00018 struct GlyphPositioningTableHeader
00019 {
00020     fixed32 version;
00021     Offset  scriptListOffset;
00022     Offset  featureListOffset;
00023     Offset  lookupListOffset;
00024 
00025     void    process(LEUnicode *glyphs, GlyphPositionAdjustment *glyphPositionAdjustments,
00026                 const LETag **glyphTags, le_int32 glyphCount,
00027                 le_bool rightToLeft, LETag scriptTag, LETag languageTag,
00028                 GlyphDefinitionTableHeader *glyphDefinitionTableHeader,
00029                 LEFontInstance *fontInstance);
00030 };
00031 
00032 enum GlyphPositioningSubtableTypes
00033 {
00034     gpstSingle          = 1,
00035     gpstPair            = 2,
00036     gpstCursive         = 3,
00037     gpstMarkToBase      = 4,
00038     gpstMarkToLigature  = 5,
00039     gpstMarkToMark      = 6,
00040     gpstContext         = 7,
00041     gpstChainedContext  = 8
00042 };
00043 
00044 typedef LookupSubtable GlyphPositioningSubtable;
00045 
00046 #endif

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