[wp-trac] [WordPress Trac] #21388: Retina theme screenshots
WordPress Trac
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Mon Jul 30 17:51:12 UTC 2012
#21388: Retina theme screenshots
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Reporter: nacin | Owner:
Type: task (blessed) | Status: new
Priority: normal | Milestone: 3.5
Component: Appearance | Version:
Severity: normal | Resolution:
Keywords: |
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Comment (by andy):
On WordPress.com we have a script called devicepx.js which looks for
certain URL patterns in img src attrs and rewrites them for higher-res
images. One of the patterns it matches is "-1x" before the file extension.
It assumes it can safely rewrite that to "-2x". This might not be the best
way -- perhaps to be less ambiguous and have fewer potential false
positives it should use @1x -- but it's what we made.
So themes could announce their support by having a file called screenshot-
1x.png as well as screenshot-2x.png. The advantage of putting this bit of
data in the 1x filename is that you don't have to do a HEAD request to
find out whether the 2x image exists.
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Ticket URL: <http://core.trac.wordpress.org/ticket/21388#comment:4>
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