Open Bug 1850869 Opened 10 months ago Updated 10 months ago

Testcases from bug 1671784 will still produce dotted lines if parts of the CSS are outside the visible part of the window (either by resizing the Browser window, or pinch-zooming)

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(Core :: Graphics: WebRender, enhancement)

enhancement

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()

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(Reporter: mayankleoboy1, Assigned: gw)

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(2 files)

Open the two testcases from bug 1671784 ( https://bug1671784.bmoattachments.org/attachment.cgi?id=9182191 , https://bug1671784.bmoattachments.org/attachment.cgi?id=9337734 )
Pinch-zoom on them
Pan the zoomed-in page such that part of the css thingy is outside of the viewable portion of the tab

AR: Dotted lines can still be seen
ER: Not so

https://bugzilla.mozilla.org/show_bug.cgi?id=1671784#c42
:gw - Yes, let's track that in a separate bug - I know what the cause is, and it's a different issue than what was resolved in this bug.

Flags: needinfo?(gwatson)
Assignee: nobody → gwatson
Flags: needinfo?(gwatson)
Attached file about:support (deleted) —
Attached image FF-Nightly-119-0a1.png (deleted) —

Loading clip-path element that extends outside of the body (grey area is document only no body) with normal zoom also produces the artefacts. But kept inside the body it looks fine.

Nightly 119.0a1

Add to previous, normal zoom level = without zooming :)

Ah yes. To get the dotted lines, open the testcase and just resize the browser windows horizontally or vertically till parts of the css are outside the visible area. Zooming of any kind is not needed.

Summary: Testcases from bug 1671784 can still produce dotted lines on pinch-zooming (and maybe panning the image outside the viewable part of tab) → Testcases from bug 1671784 will still produce dotted lines if parts of the CSS are outside the visible part of the window (either by resizing the Browser window, or pinch-zooming)
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