1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/textandloc/fontservices/textshaperplugin/IcuSource/layout/SingleSubstitutionSubtables.cpp	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,79 @@
     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 "OpenTypeTables.h"
    1.13 +#include "GlyphSubstitutionTables.h"
    1.14 +#include "SingleSubstitutionSubtables.h"
    1.15 +#include "GlyphIterator.h"
    1.16 +#include "LESwaps.h"
    1.17 +
    1.18 +U_NAMESPACE_BEGIN
    1.19 +
    1.20 +le_uint32 SingleSubstitutionSubtable::process(GlyphIterator *glyphIterator, const LEGlyphFilter *filter) const
    1.21 +{
    1.22 +    switch(SWAPW(subtableFormat))
    1.23 +    {
    1.24 +    case 0:
    1.25 +        return 0;
    1.26 +
    1.27 +    case 1:
    1.28 +    {
    1.29 +        const SingleSubstitutionFormat1Subtable *subtable = (const SingleSubstitutionFormat1Subtable *) this;
    1.30 +
    1.31 +        return subtable->process(glyphIterator, filter);
    1.32 +    }
    1.33 +
    1.34 +    case 2:
    1.35 +    {
    1.36 +        const SingleSubstitutionFormat2Subtable *subtable = (const SingleSubstitutionFormat2Subtable *) this;
    1.37 +
    1.38 +        return subtable->process(glyphIterator, filter);
    1.39 +    }
    1.40 +
    1.41 +    default:
    1.42 +        return 0;
    1.43 +    }
    1.44 +}
    1.45 +
    1.46 +le_uint32 SingleSubstitutionFormat1Subtable::process(GlyphIterator *glyphIterator, const LEGlyphFilter *filter) const
    1.47 +{
    1.48 +    LEGlyphID glyph = glyphIterator->getCurrGlyphID();
    1.49 +    le_int32 coverageIndex = getGlyphCoverage(glyph);
    1.50 +
    1.51 +    if (coverageIndex >= 0) {
    1.52 +        TTGlyphID substitute = ((TTGlyphID) LE_GET_GLYPH(glyph)) + SWAPW(deltaGlyphID);
    1.53 +
    1.54 +        if (filter == NULL || filter->accept(LE_SET_GLYPH(glyph, substitute))) {
    1.55 +            glyphIterator->setCurrGlyphID(substitute);
    1.56 +        }
    1.57 +
    1.58 +        return 1;
    1.59 +    }
    1.60 +
    1.61 +    return 0;
    1.62 +}
    1.63 +
    1.64 +le_uint32 SingleSubstitutionFormat2Subtable::process(GlyphIterator *glyphIterator, const LEGlyphFilter *filter) const
    1.65 +{
    1.66 +    LEGlyphID glyph = glyphIterator->getCurrGlyphID();
    1.67 +    le_int32 coverageIndex = getGlyphCoverage(glyph);
    1.68 +
    1.69 +    if (coverageIndex >= 0) {
    1.70 +        TTGlyphID substitute = SWAPW(substituteArray[coverageIndex]);
    1.71 +
    1.72 +        if (filter == NULL || filter->accept(LE_SET_GLYPH(glyph, substitute))) {
    1.73 +            glyphIterator->setCurrGlyphID(substitute);
    1.74 +        }
    1.75 +
    1.76 +        return 1;
    1.77 +    }
    1.78 +
    1.79 +    return 0;
    1.80 +}
    1.81 +
    1.82 +U_NAMESPACE_END