Dnia 16-01-2008, Śr o godzinie 02:48 +0000, Ian Hickson pisze: > On Sun, 20 May 2007, ddailey wrote: > > Another question arises in my mind in this context: is there any reason > > that any of the treatments of these effects (like the Porter-Duff > > operators, darken, saturate etc.) should be any different than they are > > in the SVG spec? So many things that I see in the treatment of canvas > > remind me of something so similar to what is in SVG that it makes me > > wonder why not just reference say http://www.w3.org/TR/SVG/filters.html > > ? > > The <canvas> globalCompositeOperation is just defined in terms of > PorterDuff, which far predates SVG.
And why does the canvas specification have to pretend that it predates SVG too? Chris
