PangoLayout
to the onscreen position
corresponding to the grapheme at that index, which is represented
as rectangle. Note that pos->x
is always the leading
edge of the grapheme and pos->x + pos->width
the trailing
edge of the grapheme. If the directionality of the grapheme is right-to-left,
then pos->width
will be negative.pangoLayoutIndexToPos(object, index, pos)
object
index
layout
pos
PangoRectangle
] rectangle in which to store the position of the grapheme