>>>> If the bottom line of the warped glyph is shifted away from a
>>>> bluezone, then the whole glyph should be shifted back a whole
>>>> 1?pixel back toward the bluezone after being warped.
>>>
>>> This won't work. If you shift one pixel back, all other optimized
>>> zones, would be at the wrong position. Warping, as it is
>>> currently implemented, only works if the code has the absolute
>>> freedom to positions stems at any places.
Oops! I've read `scaling' but you were talking about `shifting',
sorry. Shifting is always in the range of a half pixel left or right.
> I assume when finding the best score, the shift and scale performed
> in the warper code are uniform over the whole glyph points.
Yes.
> After tiny scaled/shifted, the stems are then grid fit to pixels.
No. The scaling/shifting process is essentially done *instead* of
grid fitting (with `grid fitting' I mean rounding of stems to the
grid). Remember that warping works only in the `light' autohint mode
which doesn't apply hints to the x coordinates.
Warping and autohint grid fitting simply don't combine.
Werner
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