icuSources/layout/GlyphPositioningTables.h

   1 /*
   2  * (C) Copyright IBM Corp. 1998-2008 - All Rights Reserved
   3  *
   4  */
   5
   6 #ifndef __GLYPHPOSITIONINGTABLES_H
   7 #define __GLYPHPOSITIONINGTABLES_H
   8
   9 /**
  10  * \file
  11  * \internal
  12  */
  13
  14 #include "LETypes.h"
  15 #include "OpenTypeTables.h"
  16 #include "Lookups.h"
  17 #include "GlyphLookupTables.h"
  18
  19 U_NAMESPACE_BEGIN
  20
  21 class  LEFontInstance;
  22 class  LEGlyphStorage;
  23 class  LEGlyphFilter;
  24 class  GlyphPositionAdjustments;
  25 struct GlyphDefinitionTableHeader;
  26
  27 struct GlyphPositioningTableHeader : public GlyphLookupTableHeader
  28 {
  29     void    process(LEGlyphStorage &glyphStorage, GlyphPositionAdjustments *glyphPositionAdjustments,
  30                 le_bool rightToLeft, LETag scriptTag, LETag languageTag,
  31                 const GlyphDefinitionTableHeader *glyphDefinitionTableHeader, LEErrorCode &success,
  32                 const LEFontInstance *fontInstance, const FeatureMap *featureMap, le_int32 featureMapCount, le_bool featureOrder) const;
  33 };
  34
  35 enum GlyphPositioningSubtableTypes
  36 {
  37     gpstSingle          = 1,
  38     gpstPair            = 2,
  39     gpstCursive         = 3,
  40     gpstMarkToBase      = 4,
  41     gpstMarkToLigature  = 5,
  42     gpstMarkToMark      = 6,
  43     gpstContext         = 7,
  44     gpstChainedContext  = 8,
  45     gpstExtension       = 9
  46 };
  47
  48 typedef LookupSubtable GlyphPositioningSubtable;
  49
  50 U_NAMESPACE_END
  51 #endif