- From: Rik Cabanier <cabanier@gmail.com>
- Date: Sat, 28 Sep 2013 20:43:49 -0700
- To: Glenn Maynard <glenn@zewt.org>
- Cc: whatwg <whatwg@lists.whatwg.org>, Ruben Rodriguez II <whatwg@therealcha0s.net>, "Jasper St. Pierre" <jstpierre@mecheye.net>
Yeah, this should be specified somewhere. As you point out, luckily everyone is in agreement. On Fri, Sep 27, 2013 at 7:41 PM, Glenn Maynard <glenn@zewt.org> wrote: > On Fri, Sep 27, 2013 at 4:38 PM, Jasper St. Pierre <jstpierre@mecheye.net > >wrote: > > > The issue here is that the canvas API does not specify how pixels are > sited > > on the canvas: if you imagine pixels as enlarged squares on a grid > (shush, > > I know), does an X coordinate of 5 name the center of the square, or the > > intersection between 4th and 5th squares? > > > > That's not the issue this thread is about. I don't know if it's specified > (though I suspect is is), but WebKit, Firefox and IE10's Canvas > implementations all use OpenGL's coordinate system. This can be seen in > the very first post in the thread, which renders consistently in all three > browsers. http://jsfiddle.net/V92Gn/128/ > > -- > Glenn Maynard >
Received on Sunday, 29 September 2013 03:44:14 UTC