[HTML Canvas] TextMetrics Additions for Editing and Graphic Design

[schenney-chromium]

WebKittens

No response

Title of the proposal

Canvas TextMetrics additions for editing and text styling

URL to the spec

whatwg/html#10677

URL to the spec's repository

https://github.com/whatwg/html

Issue Tracker URL

No response

Explainer URL

https://github.com/Igalia/explainers/blob/main/canvas-formatted-text/text-metrics-additions.md

TAG Design Review URL

No response

Mozilla standards-positions issue URL

mozilla/standards-positions#1144

WebKit Bugzilla URL

https://bugs.webkit.org/show_bug.cgi?id=284464

Radar URL

No response

Description

Some portions of this have already started landing in WebKit, particularly the caret position functionality. Chromium has a complete implementation from M-132. It is moving through the WHATWG process at the moment, hence the request for a position.