There might not be an individual pair for "Te", but apparently it's covered by
one of the "kern class" tables or whatever it is called. Because it most
definitely *does* kern in both FreeSerif and FreeSans, but *only* if I uncehck
the OpenType option. This is true for both Ubuntu 14.04 with Qt 5.4 and
Windows 7 with Qt 5.3. And yes, I am positive about "VA". The difference may
be small but easily noticeable. One check I like to do is move the cursor
between the letters. Overlap can be easy to see in those cases.
Marc
—
Marc Sabatella
On Fri, Dec 5, 2014 at 4:35 PM, Maurizio M. Gavioli <miwa...@miwarre.org>
wrote:
> Marc Sabatella wrote
>> No dice. Neither of those fonts kern correctly for me on any of my three
>> systems. Again, both Linux systems are running Qt 5.4; there, neither
>> font kerns at all. My Windows machine has Qt 5.3. On that machine, your
>> FreeSerif will kern the "rj" but not the "Te" or the "VA".
> Results for "rj" and "Te" are correct: FreeSerif does contain a kerning pair
> for "rj" but it DOES NOT contain a kerning pair for "Te": obviously the
> latter will not kern under any circumstance!
> About "VA" / "AV": are you sure it does not kern? For this pair the overlap
> is very tiny: in practice the tip of the serif of the 'A' just overlaps the
> tip of the serif of the 'V'. This is a screen shot of the result to be
> expected:
> <http://dev-list.musescore.org/file/n7579049/test_kern_VArj_FreeSerif.png>
>> Your FreeSans will kern the "VA" but not either of the other pairs. I
>> assume the difference has to do with different types of tables, but you
>> know more about that than I.
> This also is correct: FreeSans has a kern pair for "VA" (stronger than
> Serif's) but NOT for "rj" or "Te".
>> Again, only by *unchecking* the OpenType box can I get these fonts to kern
>> correctly on my Linux machine running Qt 5.4 or my Windows machine running
>> 5.3.
> Well, I do not understand this: as far as your description goes, the fonts
> DO kern correctly (with the possible exception of Serif "VA"); if by
> unchecking the box, the fonts kern more than their data or for pairs which
> have no kern data, I don't think this to be "correct". Am I missing
> something?
>> And I found the same for Linux with 5.3 back in August; that's why I
>> went to two different MuseJazz fonts back then. But I have no idea why
>> MuseJazz will kern for me on Qt 5.4 even with OpenType checked but the
>> other fonts won't.
> Is it possible that MuseJazz simply has more aggressive kerning data and
> then it is easier to spot by eye?
> Just for completeness, which Linux do you have?
>> BTW, I checked other "system" fonts. On my Windows / Qt 5.3 machine,
>> Arial and Times New Roman kern just fine, others are more hit and miss,
>> but overall I'd say kerning "works" in MuseScore on Windows. On my Linux
>> / Qt 5.4 machines, very few fonts kern well. Many work like your
>> FreeSerif does on Windows - some pairs you expect to see kern do, but
>> others don't. Others don't kern at all.
> Have you tried these fonts with other aplications, perhaps non-Qt-based?
>> It's looking like there is probably a Qt issue with OpenType on Linux and
>> Windows, but I still don't know how to quantfiy it.
> A difference in font support among the various Qt versions is definitely
> possible, but I would expect it to go toward a better support for OpenType
> tables not away from it... As soon as Linux Mint 17.1 will be released I'll
> upgrade another machine of mines to it and install the latest Qt (I'm not
> eager to upgrade Qt on my main machine: I have other Qt projects on it and
> "if it ain't broken, don't fix it").
> Thanks,
> Maurizio
> --
> View this message in context:
> http://dev-list.musescore.org/Kerning-tp7579040p7579049.html
> Sent from the MuseScore Developer mailing list archive at Nabble.com.
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