GVTFont font = ff.deriveFont(fontSize, aci);
if (defaultFont == null)
defaultFont = font;
while (currentIndex < end) {
int displayUpToIndex = font.canDisplayUpTo
(aci, currentIndex, end);
Object altGlyphElement = aci.getAttributes().get(ALT_GLYPH_HANDLER);
if ( altGlyphElement != null ){
//found all the glyph to be displayed