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Re: [ft] Regression (Tahoma strikes back)


From: Antoine Leca
Subject: Re: [ft] Regression (Tahoma strikes back)
Date: Fri, 22 May 2009 10:32:28 +0200

Krzysztof Kotlenga wrote:
> Werner LEMBERG wrote:
>
>> Please provide images of the following tahoma characters at both 10
>> and 11 ppem.

Please remember that from a Windows point of view, 10 ppem is less
"interesting" because it does not map to some integer point size at the
normal resolution of 96dpi (it does map to 6 points @120dpi), while 11 ppem
is a key resolution, being 8 points @96 dpi, i.e. the standard pointsize in
dialogs for Windows 4.x and 5.x.

>>   U+0079 (LATIN SMALL LETTER Y)
>>   U+0141 (LATIN CAPITAL LETTER L WITH STROKE)
>
>>   U+0667 (ARABIC-INDIC DIGIT SEVEN)
>>   U+0668 (ARABIC-INDIC DIGIT EIGHT)
>
> These two yield interesting results :-)

Other Arabic-Indic digits are also ugly. Perhaps Tahoma is optimized for 96
dpi for Latin text, but for Arabic it rather targets 120 dpi?
This is rather strange however, since for Thai (which typically asks for
even more details than Arabic, so would be a better candidate for enlarged
screen resolution), 11 ppem still looks pretty good...

PS: beware: were quick tests done with Tahoma 2.80.

Antoine





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