//private static readonly Log LOG = LogFactory.getLog(GlyphSubstitutionDataExtractor.class);
public GsubData GetGsubData(Dictionary <string, ScriptTable> scriptList, FeatureListTable featureListTable, LookupListTable lookupListTable)
{
ScriptTableDetails scriptTableDetails = GetSupportedLanguage(scriptList);
if (scriptTableDetails == null)
{
return(DefaultGsubData.NO_DATA_FOUND);
}
ScriptTable scriptTable = scriptTableDetails.ScriptTable;
Dictionary <string, Dictionary <List <int>, int> > gsubData = new Dictionary <string, Dictionary <List <int>, int> >(StringComparer.Ordinal);
// the starting point is really the scriptTags
if (scriptTable.DefaultLangSysTable != null)
{
PopulateGsubData(gsubData, scriptTable.DefaultLangSysTable, featureListTable,
lookupListTable);
}
foreach (LangSysTable langSysTable in scriptTable.LangSysTables.Values)
{
PopulateGsubData(gsubData, langSysTable, featureListTable, lookupListTable);
}
return(new MapBackedGsubData(scriptTableDetails.Language, scriptTableDetails.FeatureName, gsubData));
}
private void PopulateGsubData(Dictionary <string, Dictionary <List <int>, int> > gsubData,
LangSysTable langSysTable, FeatureListTable featureListTable,
LookupListTable lookupListTable)
{
FeatureRecord[] featureRecords = featureListTable.FeatureRecords;
foreach (int featureIndex in langSysTable.FeatureIndices)
{
if (featureIndex < featureRecords.Length)
{
PopulateGsubData(gsubData, featureRecords[featureIndex], lookupListTable);
}
}
}
