RESOLVED WONTFIX 175381
Implement the font-display attribute in SVG's <font-face> 
https://bugs.webkit.org/show_bug.cgi?id=175381
Summary Implement the font-display attribute in SVG's <font-face>
Myles C. Maxfield
Reported 2017-08-09 08:17:22 PDT
1) Figure out (from the relevant standardization body) if it should be present 2) If so, implement it
Attachments
Add attachment proposed patch, testcase, etc.
Radar WebKit Bug Importer
Comment 1 2017-08-09 15:34:35 PDT
<rdar://problem/33813232>
Myles C. Maxfield
Comment 2 2017-08-10 10:00:35 PDT
The spec doesn't have this attribute. https://www.w3.org/TR/SVG11/fonts.html#FontFaceElement
Myles C. Maxfield
Comment 3 2017-08-10 12:17:34 PDT
We are the only browser to support SVG fonts in the first place.
Myles C. Maxfield
Comment 4 2017-08-10 12:26:51 PDT
This should just need to modify Source/WebCore/svg/svgattrs.in and createAttributeNameToCSSPropertyIDMap()
Myles C. Maxfield
Comment 5 2017-08-10 12:27:53 PDT
Once https://bugs.webkit.org/show_bug.cgi?id=175383 is solved, this can be tested quite easily.
Myles C. Maxfield
Comment 6 2017-10-05 16:32:20 PDT
Currently, SVGFontFaceElement::parseAttribute() parses according to CSS property grammar, not @font-face descriptor grammar, which means font-display won't work. I don't think this is worth doing. Supporting <font-face> is only necessary for supporting legacy content, and legacy content doesn't use this new descriptor.
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