Bug 165600

Summary:

font-size computed is influenced by CSS zoom property when zoom < 1

Product:

WebKit

Reporter:

Antoine Quint <graouts>

Component:

Text

Assignee:

Nobody <webkit-unassigned>

Status:

NEW

Severity:

Normal

CC:

dino, graouts, hyatt, mmaxfield, webkit-bug-importer

Priority:

Keywords:

InRadar

Version:

Safari 10

Hardware:

Unspecified

OS:

Unspecified

Attachments:

Description	Flags
Testcase	none

Antoine Quint

Reported 2016-12-08 07:25:57 PST

Created attachment 296510 [details] Testcase In the attached tests, I have two elements displaying text with "font-size" set to "14px" and "zoom" property set. The element that has "zoom" set to 4 reports a font-size of "14px" in its computed style, while the element that has "zoom" set to 0.25 reports a font-size of "36px". I would expect 14px to reported in both cases.

Attachments
Testcase (430 bytes, text/html) 2016-12-08 07:25 PST, Antoine Quint	no flags	Details
View All Add attachment proposed patch, testcase, etc.

Radar WebKit Bug Importer

Comment 1 2017-02-26 17:08:04 PST

<rdar://problem/30725497>

Dave Hyatt

Comment 2 2017-04-24 12:39:06 PDT

Issue is minimum font size increased the font back up to 9px, so when we try to reverse engineer the original font size by dividing by the zoom, we get the wrong answer.

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