source/layout/GlyphPositioningTables.h

   1 /*
   2  * (C) Copyright IBM Corp. 1998-2013 - 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 #include "LETableReference.h"
  19
  20 U_NAMESPACE_BEGIN
  21
  22 class  LEFontInstance;
  23 class  LEGlyphStorage;
  24 class  LEGlyphFilter;
  25 class  GlyphPositionAdjustments;
  26 struct GlyphDefinitionTableHeader;
  27
  28 struct GlyphPositioningTableHeader : public GlyphLookupTableHeader
  29 {
  30   void    process(const LEReferenceTo<GlyphPositioningTableHeader> &base, LEGlyphStorage &glyphStorage, GlyphPositionAdjustments *glyphPositionAdjustments,
  31                 le_bool rightToLeft, LETag scriptTag, LETag languageTag,
  32                 const LEReferenceTo<GlyphDefinitionTableHeader> &glyphDefinitionTableHeader, LEErrorCode &success,
  33                 const LEFontInstance *fontInstance, const FeatureMap *featureMap, le_int32 featureMapCount, le_bool featureOrder) const;
  34 };
  35
  36 enum GlyphPositioningSubtableTypes
  37 {
  38     gpstSingle          = 1,
  39     gpstPair            = 2,
  40     gpstCursive         = 3,
  41     gpstMarkToBase      = 4,
  42     gpstMarkToLigature  = 5,
  43     gpstMarkToMark      = 6,
  44     gpstContext         = 7,
  45     gpstChainedContext  = 8,
  46     gpstExtension       = 9
  47 };
  48
  49 typedef LookupSubtable GlyphPositioningSubtable;
  50
  51 U_NAMESPACE_END
  52 #endif