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List: freetype-devel
Subject: Re: [ft-devel] ttfautohint vs FontForge
From: "Andrey V. Panov" <panov () canopus ! iacp ! dvo ! ru>
Date: 2011-10-25 0:07:59
Message-ID: 201110251107.59639.panov () canopus ! iacp ! dvo ! ru
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On 19 октя ря 2011, vernon adams wrote:
> They are not comparable. As far as i know ttfautohint takes a completely
> different approach that fontforges autohinter. Ttfautohint is far better
> at auto hinting truetype fonts than the fontforge autohinter.
>
> Andrey, if you know how to get comparable results with fontforges
> autohinter, please tell your method :) Ttfautohint test screenshots at
> http://code.newtypography.co.uk/?p=1037
In fact, ttfautohint does not make horizontal instructions at all. It is more or
less reasonable for cleartype rendering which still is not supported by
freetype. And it will be unusable at monochrome rendring which also requires
diagonal hinting.
--
Andrey V. Panov
panov /@/ canopus.iacp.dvo.ru
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN" \
"http://www.w3.org/TR/REC-html40/strict.dtd"> <html><head><meta name="qrichtext" \
content="1" /><style type="text/css"> p, li { white-space: pre-wrap; }
</style></head><body style=" font-family:'Исток'; font-size:11pt; font-weight:400; \
font-style:normal;"> <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; \
margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">On 19 октя \
ря 2011, vernon adams wrote:</p> <p style=" margin-top:0px; margin-bottom:0px; \
margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; \
-qt-user-state:0;">> They are not comparable. As far as i know ttfautohint takes a \
completely</p> <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; \
margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> \
different approach that fontforges autohinter. Ttfautohint is far better</p> <p \
style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; \
-qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> at auto hinting truetype \
fonts than the fontforge autohinter.</p> <p style=" margin-top:0px; \
margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; \
text-indent:0px; -qt-user-state:0;">> </p> <p style=" margin-top:0px; \
margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; \
text-indent:0px; -qt-user-state:0;">> Andrey, if you know how to get comparable \
results with fontforges</p> <p style=" margin-top:0px; margin-bottom:0px; \
margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; \
-qt-user-state:0;">> autohinter, please tell your method :) Ttfautohint test \
screenshots at</p> <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; \
margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> \
http://code.newtypography.co.uk/?p=1037</p> <p style="-qt-paragraph-type:empty; \
margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; \
-qt-block-indent:0; text-indent:0px; "> </p> <p style=" margin-top:0px; \
margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; \
text-indent:0px; -qt-user-state:0;">In fact, ttfautohint does not make horizontal \
instructions at all. It is more or less reasonable for cleartype rendering which \
still is not supported by freetype. And it will be unusable at monochrome rendring \
which also requires diagonal hinting.</p> <p style="-qt-paragraph-type:empty; \
margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; \
-qt-block-indent:0; text-indent:0px; "> </p> <p style=" margin-top:0px; \
margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; \
text-indent:0px; -qt-user-state:0;">-- </p> <p style=" margin-top:0px; \
margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; \
text-indent:0px; -qt-user-state:0;">Andrey V. Panov</p> <p style=" margin-top:0px; \
margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; \
text-indent:0px; -qt-user-state:0;">panov /@/ canopus.iacp.dvo.ru</p></body></html>
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