subscriptShiftDown method
Likewise, emulates both subscriptShiftDown signatures.
Implementation
@override
double subscriptShiftDown(double fontSizePx, {bool? hasSuperscript}) {
if (hasSuperscript == null) {
return fontSizePx * 0.150;
}
return fontSizePx * (hasSuperscript ? 0.247 : 0.150);
}