There's also just removing the element from the DOM. Yes, I'd like a removeHitRegion(Element) feature; though I can skate by with the empty addHitRegion method.
I've not seen a response from you regarding the issues that Richard and Steve have brought up around the lightweight nodes feature-proposal. It seems relevant to the method signature of removeHitRegion. On Jul 5, 2012, at 9:40 AM, Edward O'Connor <eocon...@apple.com> wrote: > Hi, > > Currently, there are only two ways to invoke the "clear regions that > cover the pixels" algorithm: by calling either addHitRegion() or > clearRect(). Authors should be able to explicitly remove a hit region as > well, with a removeHitRegion(id) method. > > Consider a region of a canvas which the author would like to toggle > between clickable and non-clickable states without drawing. Maybe > they're indicating clickability by drawing a different outline around > the region without actually redrawing the region itself, or perhaps > there is no visible indication that the region's clickability is > changing. Such an author should be able to straightforwardly achieve > this without redrawing the region (as clearRect would require) and > without installing a dummy hit region (as addHitRegion would require). > > > Thanks, > Ted
