[IPOL discuss] Vector graphics on IPOL: which format to use?

[Nicolas Limare]

Hi,

I did some more tests, added to the table hereafter. The most
interesting ones are Internet Explorer 8 and 9 on Windows Vista. Mac
OSX data is still missing, and maybe iOS (anyone with an iPad?). I
also included some exotic browser using their own rendering engine
(amaya, dillo, links, netsurf) to see what happens out of the main
quatuor[1].

So far, I think this confirms "object svg + fallback png" is the best
solution, with an additional download link to the svg file. And the
latest releases of the 3 major browsers are unanimous: 

            img     img     object  object  embed   inline
            png     svg     svg     svg+png svg     svg
 firefox6.0 OK      OK      OK      OK      OK      OK
 chrome13   OK      OK      OK      OK      OK      OK
 ie9        OK      OK      OK      OK      OK      OK

[1] These 4 rendering engine account for almost all the web experience:
Trident for IE, Gecko for Mozilla Firefox, Webkit for Chrome, Safari,
Konqueror and Presto for Opera.

8<----------8<----------8<----------8<----------8<----------8<----------

            img     img     object  object  embed   inline
            png     svg     svg     svg+png svg     svg
winxp
 firefox3.6 OK      -       OK      OK      OK      -
 firefox6.0 OK      OK      OK      OK      OK      OK
 opera11    OK      OK      OK      OK      OK      -
 ie8        OK      -       -       PNG     -       -
 chrome13   OK      OK      OK      OK      OK      OK
 chromium8  OK      OK      OK      OK      OK      OK
 safari5    OK      -       OK      OK      OK      -
 konqueror4 OK      -       OK      OK      OK      -
 amaya11    OK      OK      OK      OK      -       - (no svg antialiasing)
winvista
 ie7        OK      -       -       PNG     -       -
 ie8        OK      -       -       PNG     -       -
 ie9        OK      OK      OK      OK      OK      OK
linux
 chromium11 OK      OK      OK      OK      OK      OK
 firefox3.5 OK      -       OK      OK      OK      -
 konqueror4 OK      -       OK      OK      OK      -
 rekonq0.5  OK      OK      -       PNG     OK      -
 netsurf2.7 OK      OK      OK      OK      OK      - (svg color bug)
 links2.3   OK      -       -       PNG     -       -
 dillo3.0   OK      -       -       PNG     -       -

-- 
Nicolas LIMARE - CMLA - ENS Cachan    http://www.cmla.ens-cachan.fr/~limare/
IPOL - image processing on line                          http://www.ipol.im/
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