Re: [ft-devel] Peculiar Hinting / Rendering Behavior

[Werner LEMBERG]

>> Here's another recipe to see the artifact even better (I'm using
>> msmincho.ttc from Windows 7):
>>
>>   ftgrid -f 4420 19 msmincho.ttc
>>
>> (value 4420 is the glyph index of U+56DB in this font).  After
>> pressing key `a', a vertical line on the left is missing in the
>> outline.  Interestingly, this happens at 100% zooming only.
>
> This is a typical dropout situation.  [...]  I am actually surprised
> that this does not happen more often.  The left edge line happens to
> cover two adjacent pixels at less than 50%, which is also
> surprising.  Deep inside, this is probably a stroker rounding issue.

Interesting.  Can you investigate this in more detail?


    Werner