[Webkit-unassigned] [Bug 193647] New: Stoke/fill changes are not visible in SVG symbols

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=193647

            Bug ID: 193647
           Summary: Stoke/fill changes are not visible in SVG symbols
           Product: WebKit
           Version: Safari Technology Preview
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: SVG
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: kari.pihkala at gmail.com
                CC: zimmermann at kde.org

Created attachment 359675

  --> https://bugs.webkit.org/attachment.cgi?id=359675&action=review

test case

SVG symbols are not repainted correctly if an element inside them has its stroke or fill style changed by JavaScript setTimeout() or requestAnimationFrame().

See the attached test case, which shows a rectangle outside and inside a symbol. The rectangle inside the symbol doesn't show changes in the fill style.

However, changing the x or y property seem to force a repaint for the entire symbol. So, setting the "x" attribute of the rectangle makes also the fill style visible.

Tested on Safari 10, 12.0.2 (14606.3.4) and Safari Technology Preview Release 73 (Safari 12.1, WebKit 14607.1.18.3).

The test case works as expected on Firefox and Chrome.

Here's the same test case as a CodePen: https://codepen.io/anon/pen/ZwzebM?editors=1000

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