1773270 - Unreadable text in PDF

Status: VERIFIED FIXED

(Core :: Graphics: Canvas2D, defect, P3)

Description

[Pascal Chevrel (relman team) -> :pascalc]

Attachment: screenshot

1. Go to https://www.allianz.fr/content/dam/onemarketing/azfr/common/marque/pdf/Rapport_Nouveaux_Risques_2021_version_d%C3%A9finitive.pdf
2. Go to the summary page 2 (but there are multiple places in the document where the text is unreadable (see screenshot

Last good revision: 7f67e3634e8fbe799053df48df07f132c3642ca4
First bad revision: abf483eaacf25b0198dfc7814427148f7bc4ef9f
Pushlog:
https://hg.mozilla.org/integration/autoland/pushloghtml?fromchange=7f67e3634e8fbe799053df48df07f132c3642ca4&tochange=abf483eaacf25b0198dfc7814427148f7bc4ef9f

This is a new regression in 102 from bug 1771415. Setting gfx.canvas.accelerated to false fixes the issue.

Comment 1

[Lee Salzman [:lsalzman]]

Attachment: Bug 1773270 - Check for subpixel AA in DrawTargetWebgl::StrokeGlyphs. r?aosmond

Comment 2

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/393140bbceb8
Check for subpixel AA in DrawTargetWebgl::StrokeGlyphs. r=aosmond,gfx-reviewers

Comment 3

[Sandor Molnar[:smolnar]]

https://hg.mozilla.org/mozilla-central/rev/393140bbceb8

Comment 4

[BugBot [:suhaib / :marco/ :calixte]]

Set release status flags based on info from the regressing bug 1771415

Comment 5

[Ardelean Oana, Desktop Test Engineering [:oardelean]]

I managed to reproduce this issue on a 2022-06-08 Nightly build on Windows 10 64-bits. Verified as fixed on Firefox 103.0b4(build ID: 20220703190044) and Nightly 104.0a1(build ID: 20220704214252) on Windows 10 64-bits, Ubuntu 22.04 and macOS 11.