W3C home > Mailing lists > Public > whatwg@whatwg.org > September 2013

[whatwg] Clipping text in in canvas

From: Jasper St. Pierre <jstpierre@mecheye.net>
Date: Sun, 15 Sep 2013 11:38:19 -0400
Message-ID: <CAA0H+QTT47mzfyzjiRTS+A2W96THOHpLd8rGHzUW8DDb5Z=QGA@mail.gmail.com>
To: whatwg@whatwg.org
The canvas specification maintains:

    These shapes are painted without affecting the current path, and are
subject to shadow effects, global alpha, the clipping region, and global
composition operators. [0]

But no browsers I tested actually implement the "clipping region" part.
Should this be removed for backwards compatibility reasons? Should we
introduce a new method of clipping text be introduced, or should we just
require users who want to draw clipped text to draw to a scratch canvas and
use drawImage to copy the pixels?

Received on Sunday, 15 September 2013 15:38:44 UTC

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