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Re: [ft-devel] Signed distance fields: distance from any point to the gl
From: |
Nicolas Rougier |
Subject: |
Re: [ft-devel] Signed distance fields: distance from any point to the glyph contours |
Date: |
Wed, 31 Oct 2012 16:15:38 +0100 |
I was afraid of such answer indeed... Too bad, I will stick to my current
implementation.
Thanks for the answer.
Nicolas
On Oct 31, 2012, at 15:25 , Alexei Podtelezhnikov wrote:
> On Tue, Oct 30, 2012 at 6:56 AM, Nicolas Rougier
> <address@hidden> wrote:
>
>> My question relates to a more direct way to compute the signed distance and
>> to know if anyone has already coded it by any chance ? Said differently, is
>> there a quick way to compute the shortest signed distance from any point
>> (x,y) to the glyph contours ?
>
> Quick? I do not think so. A glyph outline is a collection of contours
> is a collection of straight segments and Bézier curves.For the
> straight segments it is trivial. It is very difficult but surely
> doable for the conic and cubic curves. No it is not implemented.