On Jul 21, 2006, at 00:59, L. David Baron wrote:
On Friday 2006-06-23 12:30 +0200, Arve Bersvendsen wrote:
There are a number of tests for globalCompositeOperation here:
<URL:http://testsuite.org/html/elements/canvas/getContext/2d/
globalCompositeOperation/>
These tests are written pretty much to the letter of the
specification,
but it would be appreciated if someone tried to verify the tests.
I don't see how the pass conditions in those tests are derived from
the
little that the specification says. If someone could explain, perhaps
they could write better text for the specification?
I gather that a normative reference to the Porter–Duff paper is needed:
http://keithp.com/~keithp/porterduff/p253-porter.pdf
--
Henri Sivonen
[EMAIL PROTECTED]
http://hsivonen.iki.fi/
