- From: Greg Brown <gkbrown@mac.com>
- Date: Sat, 03 Apr 2010 10:23:39 -0400
OK, that makes sense. Thanks for the info. On Apr 2, 2010, at 5:39 PM, Ian Hickson wrote: > On Fri, 2 Apr 2010, Greg Brown wrote: >> >> In reviewing the current draft API for the <canvas> element >> (http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html), >> I noticed that there is no support for obtaining font metrics such as >> ascent, descent, leading, and bounding box. It seems like the most >> recent discussion regarding font metrics took place a couple of years >> ago: >> >> http://lists.whatwg.org/htdig.cgi/whatwg-whatwg.org/2008-May/014706.html >> >> But even that thread refers to discussions from 2006. >> >> I would personally like to see support for these values added to the >> API. Is this something that could be considered for the final spec? What >> are the major obstacles to providing such support? I would think that >> this information could be easily obtained using the underlying graphics >> API, but maybe I am missing something. > > It's something we'll probably add in due course, but for now we're waiting > for the existing canvas API stuff to be implemented properly. We can't add > too much stuff at once, because if we do the browser vendors get so far > behind that they end up either rushing to catch up (leading to more bugs), > or skipping parts in order to get the rest done right (leading to parts of > the spec being ignored). > > -- > Ian Hickson U+1047E )\._.,--....,'``. fL > http://ln.hixie.ch/ U+263A /, _.. \ _\ ;`._ ,. > Things that are impossible just take longer. `._.-(,_..'--(,_..'`-.;.'
Received on Saturday, 3 April 2010 07:23:39 UTC