1 /*

     2  *

     3  * (C) Copyright IBM Corp. 1998-2005 - All Rights Reserved

     4  *

     5  */

     6 

     7 #ifndef __GLYPHSUBSTITUTIONTABLES_H

     8 #define __GLYPHSUBSTITUTIONTABLES_H

     9 

    10 /**

    11  * \file

    12  * \internal

    13  */

    14 

    15 #include "LETypes.h"

    16 #include "OpenTypeTables.h"

    17 #include "Lookups.h"

    18 #include "GlyphLookupTables.h"

    19 

    20 U_NAMESPACE_BEGIN

    21 

    22 class  LEGlyphStorage;

    23 class  LEGlyphFilter;

    24 struct GlyphDefinitionTableHeader;

    25 

    26 struct GlyphSubstitutionTableHeader : public GlyphLookupTableHeader

    27 {

    28     le_int32    process(LEGlyphStorage &glyphStorage, le_bool rightToLeft, LETag scriptTag, LETag languageTag,

    29                  const GlyphDefinitionTableHeader *glyphDefinitionTableHeader,

    30                  LEErrorCode &success,

    31                  const LEGlyphFilter *filter = NULL, const LETag *featureOrder = NULL) const;

    32 };

    33 

    34 enum GlyphSubstitutionSubtableTypes

    35 {

    36     gsstSingle          = 1,

    37     gsstMultiple        = 2,

    38     gsstAlternate       = 3,

    39     gsstLigature        = 4,

    40     gsstContext         = 5,

    41     gsstChainingContext = 6,

    42     gsstExtension       = 7,

    43     gsstReverseChaining = 8

    44 };

    45 

    46 typedef LookupSubtable GlyphSubstitutionSubtable;

    47 

    48 U_NAMESPACE_END

    49 #endif