https://bugzilla.wikimedia.org/show_bug.cgi?id=32096
Web browser: ---
Bug #: 32096
Summary: MobileFrontend image thumbnails, rendered math, etc
gets upscaled on iPhone Retina display and hdpi
Android
Product: MediaWiki extensions
Version: any
Platform: All
OS/Version: All
Status: NEW
Severity: normal
Priority: Unprioritized
Component: MobileFrontend
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected], [email protected]
Classification: Unclassified
Created attachment 9333
--> https://bugzilla.wikimedia.org/attachment.cgi?id=9333
Screenshot on Nexus 1, Android 2.3.6, Android stock browser
Same basic issue as bug 32095 which covers MobileFrontend-specific UI elements.
Thumbnail images, math renderings, etc get used at resolutions matching CSS
pixels, which traditionally matches physical screen pixels on desktop browsers
and many older phones.
Many newer phones have higher-resolution displays: iPhone 4's 320dpi Retina
display; 240dpi "hdpi" on many Android phones including the Droid, Nexus 1 and
Nexus S, and the upcoming Nexus Galaxy will also have a 320dpi-ish display.
This causes the images to be upsampled, showing either blurry or blocky, and is
particularly noticeable for diagrams with clean lines and math equations which
are meant to look as good as surrounding text.
CSS media queries can be used to get the display resolution -- you WILL NOT be
able to reliably guess that on the server side from User-Agent data --
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