1750475 - support quality parameter for webp encoding via canvas (toBlob, toDataURL)

Status: RESOLVED FIXED

(Core :: Graphics: ImageLib, defect)

Description

[Timothy Nikkel (:tnikkel)]

Parsing the option coming from canvas was implemented in the webpencoder
https://searchfox.org/mozilla-central/rev/72c7cef167829b6f1e24cae216fa261934c455fc/image/encoders/webp/nsWebPEncoder.cpp#75
(looks like it's just a copy of the jpeg encoder code).

But canvas only passes through the quality value for jpeg

https://searchfox.org/mozilla-central/rev/72c7cef167829b6f1e24cae216fa261934c455fc/dom/canvas/CanvasRenderingContextHelper.cpp#264

As pointed out in https://bugzilla.mozilla.org/show_bug.cgi?id=1511670#c24

Comment 1

[Timothy Nikkel (:tnikkel)]

Attachment: Bug 1750475. Allow quality parameter to be passed through the webp encoder from canvas data url encoding functions. r?lsalzman

The necessary code was already there, just needed to allow it through.

Comment 2

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/348b9c347231
Allow quality parameter to be passed through the webp encoder from canvas data url encoding functions. r=lsalzman

Comment 3

[Marian-Vasile Laza]

https://hg.mozilla.org/mozilla-central/rev/348b9c347231