1 /*

     2  *

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

     4  *

     5  */

     6 

     7 #ifndef __GLYPHPOSITIONINGTABLES_H

     8 #define __GLYPHPOSITIONINGTABLES_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  LEFontInstance;

    23 class  LEGlyphStorage;

    24 class  LEGlyphFilter;

    25 class  GlyphPositionAdjustments;

    26 struct GlyphDefinitionTableHeader;

    27 

    28 struct GlyphPositioningTableHeader : public GlyphLookupTableHeader

    29 {

    30     void    process(LEGlyphStorage &glyphStorage, GlyphPositionAdjustments *glyphPositionAdjustments,

    31                 le_bool rightToLeft, LETag scriptTag, LETag languageTag,

    32                 const GlyphDefinitionTableHeader *glyphDefinitionTableHeader,

    33                 LEErrorCode &success,

    34                 const LEFontInstance *fontInstance, const LETag *featureOrder) const;

    35 };

    36 

    37 enum GlyphPositioningSubtableTypes

    38 {

    39     gpstSingle          = 1,

    40     gpstPair            = 2,

    41     gpstCursive         = 3,

    42     gpstMarkToBase      = 4,

    43     gpstMarkToLigature  = 5,

    44     gpstMarkToMark      = 6,

    45     gpstContext         = 7,

    46     gpstChainedContext  = 8,

    47     gpstExtension       = 9

    48 };

    49 

    50 typedef LookupSubtable GlyphPositioningSubtable;

    51 

    52 U_NAMESPACE_END

    53 #endif