[Webkit-unassigned] [Bug 20192] Tiny fonts scaled up end up too large in Safari

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=20192





------- Comment #6 from baker at usgs.gov  2008-07-29 01:11 PDT -------
(In reply to comment #4)
> I think this is the bug where font sizes under 0.5 get rounded to 0, and AppKit
> replaces font size 0 with 12.
> 

Except that these are not "tiny" fonts (someone changed the Summary on me). 
Unit-less font sizes are measured in user coordinate space, which, in this
case, can be thought of as inches (the viewBox sets up the user coordinate
space for a landscape plot, 11 X 8.5).  So, these fonts should render roughly
1/4 inch high, which they do in Firefox.  See "font-size=<length>" in SVG 1.1:

For SVG, if a <length> is provided without a unit identifier (e.g., an
unqualified number
such as 128), the SVG user agent processes the <length> as a height value in
the current user coordinate system.

It is as though the user coordinate space is either being ignored in this case,
or not being correctly inherited.


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