public override bool TrySubstitution(
FontMetrics fontMetrics,
GSubTable table,
GlyphSubstitutionCollection collection,
Tag feature,
ushort index,
int count)
=> false;
public bool TrySubstitution(
FontMetrics fontMetrics,
GSubTable table,
GlyphSubstitutionCollection collection,
Tag feature,
ushort index,
int count)
{
foreach (LookupSubTable subTable in this.LookupSubTables)
{
if (subTable.TrySubstitution(fontMetrics, table, collection, feature, index, count))
{
// A lookup is finished for a glyph after the client locates the target
// glyph or glyph context and performs a substitution, if specified.
return(true);
}
}
return(false);
}
