From: Peter Rolf <indiego@gmx.net>
To: Taco Hoekwater <taco@elvenkind.com>
Cc: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: Re: kerning info (mkiv)
Date: Fri, 07 Jan 2011 15:44:31 +0100 [thread overview]
Message-ID: <4D2726CF.4000900@gmx.net> (raw)
In-Reply-To: <4D271F77.7070207@elvenkind.com>
Am 07.01.2011 15:13, schrieb Taco Hoekwater:
> On 01/07/2011 02:48 PM, Peter Rolf wrote:
>> The character stands in the first column, followed by width, height and
>> depth (in pixel). The "*kerning" line shows the kerning value (in sp) of
>> the neighbouring character pair. No problem here.
>>
>> But "A much longer Test graphic VATo"
>>
>> sees no kerning for "VATo" (although the text is printed with the
>> correct kerning).
>>
>> What am I missing? Example code is attached.
>
> Your code only reports a kern if it happens between the first
> occurrence of a certain glyph and is predecessor. After that
> first attempt, the
>
> if not char[u] then ...
>
> condition evaluates to false, so no further reporting is done.
>
> In other words, your longer example fails to report anything for
> the "VA", "AT", and "To" combinations because all the second
> glyphs in the pairs have already been seen before in a non-kerned
> combination ("A", "lo", " T").
>
> You have to rethink the loop logic.
>
Ah, I see the problem now. Many thanks Taco!!!!! :-)
Best wishes, Peter
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prev parent reply other threads:[~2011-01-07 14:44 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-07 13:48 Peter Rolf
2011-01-07 14:13 ` Taco Hoekwater
2011-01-07 14:44 ` Peter Rolf [this message]
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