Synopsis Define font to be used for text.
Function
FProperty font(str fname)
Description Sets the font to be used for text.
See fontNames for a list of available fonts.
Examples 
t1 = text("Rascal", font("Serif"), fontColor("Blue"));
render(t1);
t2 = text("Rascal", font("Monospaced"), fontColor("Red"));
render(t2);