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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Preserve binding when preparing patterns"
href="https://bugs.freedesktop.org/show_bug.cgi?id=90330#c14">Comment # 14</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Preserve binding when preparing patterns"
href="https://bugs.freedesktop.org/show_bug.cgi?id=90330">bug 90330</a>
from <span class="vcard"><a class="email" href="mailto:bungeman@chromium.org" title="bungeman@chromium.org">bungeman@chromium.org</a>
</span></b>
<pre>(In reply to Behdad Esfahbod from <a href="show_bug.cgi?id=90330#c9">comment #9</a>)
<span class="quote">> I can think of four different levels of matchness:
>
> 1. match: user requested Arial and I found it,
>
> 2. approximate: user requested Arial and I found Liberation Sans,
>
> 3. fallback: user requested Arial and I found this sans-serif Persian font,
>
> 4. no match: user requested Arial, here's some font that covers some
> characters no other font supports, and it doesn't have anything to do with
> Arial.
>
> The last one is easy to add, it's just all the matching fonts that have
> score 0 for both family-strong and family-weak match. First one is also
> easy, that's what my patch does.
>
> Right now 2 is also marked as match, that's because 30-metric-aliases.conf
> does binding="same". If we remove that, then 2 and 3 will become the same.
> I like to try to distinguish them.
>
> So, yes, I think adding more levels to the bindings is possible. We can
> then decide how to bucket them. We can still bucket them into strong and
> weak and have the exact same matching algorithm that we have right now, or
> if we really wanted to, we can add more buckets.</span >
I can think of one more, just to muddy the waters, which is 'preferred'. This
is when Arial is requested, but the configuration says prefer Liberation Sans.
In some sense this is a 'match', even though the returned font may in some
sense be unrelated to the requested font. Maybe this is a magic value of
setting both the 'match' and 'approximate' bits of the match.</pre>
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