> Am I right that drop-out control can result in a 1-bit bitmap
> smaller (but never bigger) than the 8-bit one?
I don't think so. Consider a glyph like `)'. If rendered without
dropout control, you might get
x
x
x
x
and with dropout control it might be rendered as
x
x
x
x
x
which increases the bbox by one pixel.
> The tutorial (3. Coordinates, scaling and grid-fitting) mentions the
> drop-outs and describes the steps to compute an approximate size of
> a bitmap by grid-fitting the bounding box of a glyph. It seems like
> this is the best solution for my case.
If you apply ceiling for the maximum values and flooring for the
minimum values, this should work, yes.
Werner
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