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Re: [ft] Question about FT_Outline


From: Werner LEMBERG
Subject: Re: [ft] Question about FT_Outline
Date: Sun, 06 Mar 2011 07:11:06 +0100 (CET)

>> Note that the sequence `on - conic -on' is invalid.

Uh, silly me.  I shouldn't answer emails if I'm too tired...  Of
course this is a valid sequence for conic curves (but not for cubic
ones), and as you've correctly written, the first point of an outline
is implicitly used as the end of a conic curve if the last point is a
conic control point.

> Still, this isn't mentioned at all on "FreeType Glyph Conventions"
> (http://freetype.sourceforge.net/freetype2/docs/glyphs/glyphs-6.html).

I would be glad if you could improve the wording of this (rather old
and effectively unmaintained) document.  Patches are highly welcomed!

> I'm not using FT_Outline_Decompose() as I didn't know it existed.
> Would have saved some time I guess, but it is hard to find
> documentation/tutorials on how to handle outlines in FreeType.

Now that you know that this function exist, where would you have
expected a link to it?  Where should it mentioned that it exists?


    Werner



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