1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/textandloc/fontservices/textshaperplugin/IcuSource/layout/GlyphSubstLookupProc.cpp	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,127 @@
     1.4 +/*
     1.5 + *
     1.6 + * (C) Copyright IBM Corp. 1998-2004 - All Rights Reserved
     1.7 + *
     1.8 + */
     1.9 +
    1.10 +#include "LETypes.h"
    1.11 +#include "LEGlyphFilter.h"
    1.12 +#include "LEFontInstance.h"
    1.13 +#include "OpenTypeTables.h"
    1.14 +#include "Features.h"
    1.15 +#include "Lookups.h"
    1.16 +#include "ScriptAndLanguage.h"
    1.17 +#include "GlyphDefinitionTables.h"
    1.18 +#include "GlyphSubstitutionTables.h"
    1.19 +#include "SingleSubstitutionSubtables.h"
    1.20 +#include "MultipleSubstSubtables.h"
    1.21 +#include "AlternateSubstSubtables.h"
    1.22 +#include "LigatureSubstSubtables.h"
    1.23 +#include "ContextualSubstSubtables.h"
    1.24 +#include "ExtensionSubtables.h"
    1.25 +#include "LookupProcessor.h"
    1.26 +#include "GlyphSubstLookupProc.h"
    1.27 +#include "LESwaps.h"
    1.28 +
    1.29 +U_NAMESPACE_BEGIN
    1.30 +
    1.31 +GlyphSubstitutionLookupProcessor::GlyphSubstitutionLookupProcessor(
    1.32 +        const GlyphSubstitutionTableHeader *glyphSubstitutionTableHeader,
    1.33 +        LETag scriptTag, LETag languageTag, const LEGlyphFilter *filter, const LETag *featureOrder)
    1.34 +    : LookupProcessor(
    1.35 +                      (char *) glyphSubstitutionTableHeader,
    1.36 +                      SWAPW(glyphSubstitutionTableHeader->scriptListOffset),
    1.37 +                      SWAPW(glyphSubstitutionTableHeader->featureListOffset),
    1.38 +                      SWAPW(glyphSubstitutionTableHeader->lookupListOffset),
    1.39 +                      scriptTag, languageTag, featureOrder), fFilter(filter)
    1.40 +{
    1.41 +    // anything?
    1.42 +}
    1.43 +
    1.44 +GlyphSubstitutionLookupProcessor::GlyphSubstitutionLookupProcessor()
    1.45 +{
    1.46 +}
    1.47 +
    1.48 +le_uint32 GlyphSubstitutionLookupProcessor::applySubtable(
    1.49 +    const LookupSubtable *lookupSubtable, le_uint16 lookupType,
    1.50 +    GlyphIterator *glyphIterator, const LEFontInstance *fontInstance,
    1.51 +    LEErrorCode& success) const
    1.52 +{
    1.53 +    if (LE_FAILURE(success)) {
    1.54 +        return 0;
    1.55 +    }
    1.56 +    le_uint32 delta = 0;
    1.57 +
    1.58 +    switch(lookupType)
    1.59 +    {
    1.60 +    case 0:
    1.61 +        break;
    1.62 +
    1.63 +    case gsstSingle:
    1.64 +    {
    1.65 +        const SingleSubstitutionSubtable *subtable = (const SingleSubstitutionSubtable *) lookupSubtable;
    1.66 +
    1.67 +        delta = subtable->process(glyphIterator, fFilter);
    1.68 +        break;
    1.69 +    }
    1.70 +
    1.71 +    case gsstMultiple:
    1.72 +    {
    1.73 +        const MultipleSubstitutionSubtable *subtable = (const MultipleSubstitutionSubtable *) lookupSubtable;
    1.74 +
    1.75 +        delta = subtable->process(glyphIterator, success, fFilter);
    1.76 +        break;
    1.77 +    }
    1.78 +
    1.79 +    case gsstAlternate:
    1.80 +    {
    1.81 +        const AlternateSubstitutionSubtable *subtable = (const AlternateSubstitutionSubtable *) lookupSubtable;
    1.82 +
    1.83 +        delta = subtable->process(glyphIterator, fFilter);
    1.84 +        break;
    1.85 +    }
    1.86 +
    1.87 +    case gsstLigature:
    1.88 +    {
    1.89 +        const LigatureSubstitutionSubtable *subtable = (const LigatureSubstitutionSubtable *) lookupSubtable;
    1.90 +
    1.91 +        delta = subtable->process(glyphIterator, fFilter);
    1.92 +        break;
    1.93 +    }
    1.94 +
    1.95 +    case gsstContext:
    1.96 +    {
    1.97 +        const ContextualSubstitutionSubtable *subtable = (const ContextualSubstitutionSubtable *) lookupSubtable;
    1.98 +
    1.99 +        delta = subtable->process(this, glyphIterator, fontInstance, success);
   1.100 +        break;
   1.101 +    }
   1.102 +
   1.103 +    case gsstChainingContext:
   1.104 +    {
   1.105 +        const ChainingContextualSubstitutionSubtable *subtable = (const ChainingContextualSubstitutionSubtable *) lookupSubtable;
   1.106 +
   1.107 +        delta = subtable->process(this, glyphIterator, fontInstance, success);
   1.108 +        break;
   1.109 +    }
   1.110 +
   1.111 +    case gsstExtension:
   1.112 +    {
   1.113 +        const ExtensionSubtable *subtable = (const ExtensionSubtable *) lookupSubtable;
   1.114 +
   1.115 +        delta = subtable->process(this, lookupType, glyphIterator, fontInstance, success);
   1.116 +        break;
   1.117 +    }
   1.118 +
   1.119 +    default:
   1.120 +        break;
   1.121 +    }
   1.122 +
   1.123 +    return delta;
   1.124 +}
   1.125 +
   1.126 +GlyphSubstitutionLookupProcessor::~GlyphSubstitutionLookupProcessor()
   1.127 +{
   1.128 +}
   1.129 +
   1.130 +U_NAMESPACE_END