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Re: [ft-devel] a hidden gem: the autohint warper code
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From: |
JustFillBug |
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Subject: |
Re: [ft-devel] a hidden gem: the autohint warper code |
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Date: |
Tue, 1 Mar 2011 04:10:03 +0000 (UTC) |
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User-agent: |
slrn/pre1.0.0-18 (Linux) |
On 2011-02-28, Werner LEMBERG <address@hidden> wrote:
>
>> however are there any plans to make it warp in the y direction?
>
> No. By its very nature, such warping can't happen in the `main'
> hinting direction – you would get uneven glyph heights if you do so.
>
Without blue zone treatment, glyphs always have uneven bottom line. I
think the warp can be combined with bluezone management.
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.