fontbox/src/main/java/org/apache/fontbox/ttf/gsub/GsubWorkerForGujarati.java [206:232]:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    private List<Integer> applyGsubFeature(ScriptFeature scriptFeature, List<Integer> originalGlyphs)
    {
        Set<List<Integer>> allGlyphIdsForSubstitution = scriptFeature.getAllGlyphIdsForSubstitution();
        if (allGlyphIdsForSubstitution.isEmpty())
        {
            LOG.debug("getAllGlyphIdsForSubstitution() for {} is empty", scriptFeature.getName());
            return originalGlyphs;
        }
        GlyphArraySplitter glyphArraySplitter = new GlyphArraySplitterRegexImpl(
                allGlyphIdsForSubstitution);
        List<List<Integer>> tokens = glyphArraySplitter.split(originalGlyphs);
        List<Integer> gsubProcessedGlyphs = new ArrayList<>(tokens.size());
        tokens.forEach(chunk ->
        {
            if (scriptFeature.canReplaceGlyphs(chunk))
            {
                List<Integer> replacementForGlyphs = scriptFeature.getReplacementForGlyphs(chunk);
                gsubProcessedGlyphs.addAll(replacementForGlyphs);
            }
            else
            {
                gsubProcessedGlyphs.addAll(chunk);
            }
        });
        LOG.debug("originalGlyphs: {}, gsubProcessedGlyphs: {}", originalGlyphs, gsubProcessedGlyphs);
        return gsubProcessedGlyphs;
    }
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -



fontbox/src/main/java/org/apache/fontbox/ttf/gsub/GsubWorkerForDevanagari.java [207:233]:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    private List<Integer> applyGsubFeature(ScriptFeature scriptFeature, List<Integer> originalGlyphs)
    {
        Set<List<Integer>> allGlyphIdsForSubstitution = scriptFeature.getAllGlyphIdsForSubstitution();
        if (allGlyphIdsForSubstitution.isEmpty())
        {
            LOG.debug("getAllGlyphIdsForSubstitution() for {} is empty", scriptFeature.getName());
            return originalGlyphs;
        }
        GlyphArraySplitter glyphArraySplitter = new GlyphArraySplitterRegexImpl(
                allGlyphIdsForSubstitution);
        List<List<Integer>> tokens = glyphArraySplitter.split(originalGlyphs);
        List<Integer> gsubProcessedGlyphs = new ArrayList<>(tokens.size());
        tokens.forEach(chunk ->
        {
            if (scriptFeature.canReplaceGlyphs(chunk))
            {
                List<Integer> replacementForGlyphs = scriptFeature.getReplacementForGlyphs(chunk);
                gsubProcessedGlyphs.addAll(replacementForGlyphs);
            }
            else
            {
                gsubProcessedGlyphs.addAll(chunk);
            }
        });
        LOG.debug("originalGlyphs: {}, gsubProcessedGlyphs: {}", originalGlyphs, gsubProcessedGlyphs);
        return gsubProcessedGlyphs;
    }
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -