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Re: [ft-devel] ttfautohint 0.4 has been released

From: vern adams
Subject: Re: [ft-devel] ttfautohint 0.4 has been released
Date: Thu, 27 Oct 2011 21:01:09 +0100

heh van Dalen's TruetypeViewer is what i used to check the fonts :) 
Nothing *that* glitchy shows.

Microsoft's implementation of truetype rendering seems to never cause these 
It's a specific Apple implementation of Truetype to postscript/screen rendering 
that seems to be the issue. What does iOS, Adobe CS OSX apps, and OSX 
postscript printing have in common? Oh and the old Cleartype TT previewer in 
Fontlab - ttfautohint fonts were shredded in that too, but again, only in OSX 
if i remember correctly.


On 27 Oct 2011, at 20:19, Adam Twardoch (List) wrote:

> On 11-10-27 20:35, vernon adams wrote:
>> Hi,
>> After some quick tests it seems that the same render issues on iOS &
>> printing to postscript printers on OSX remain, or at least partly(?) I
>> should later test same font autohinted with v0.3 and look for
>> differences/similarities.
>> I have put iOS screenshots at
>> Shots are from iOS 4.3.3, and i will test iOS5 later.
>> I have been looking at the test fonts to see if maybe the font
>> outlines or points are causing the issue but they seem healthy and
>> render fine on all other scenarios. I have been trying to work out
>> which glyph forms are most likely to get malformed but it doesnt seem
>> to follow a pattern. Postscript printing on OSX gives the same
>> malformations on the same glyphs. 
> Oh yeah, the hidden feature of ttfautohint called "ttfautoshred" really
> shines now in Adobe Illustrator and InDesign. Shreds much better than in
> 0.3 ;)
> Also, as little as I understand of TrueType hinting, Rogier van Dalen's
> great little TrueType hinting debugger
> (, Qt-based GPL)
> throws various errors on ttfautohint-processed fonts. I have no idea how
> realiable this debugger is, but it does open other fonts fine.
> Best,
> Adam
> -- 
> May success attend your efforts,
> -- Adam Twardoch
> (Remove "list." from e-mail address to contact me directly.)

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