[cairo] Bug with paint_with_alpha and perf issueswhencompositing with SOURCE

[Carl Worth]

On Tue, 27 May 2008 15:03:16 -0400, "Antoine Azar" wrote:
> You're right, I should've been more careful with my wording. I'm not really
> arguing that though, I'm just asking which definition is more useful to
> users:
> (src IN mask) ADD (dest OUT (mask in clip)) as is currently done or
> (src IN mask) ADD (dest OUT clip) as I understood initially from the doc and
> from Carl.

For context here, I originally made an incorrect prediction about how
cairo_paint_with_alpha would behave with SOURCE. I'm not sure how much
should be read into the fact that I mis-predicted it though.

-Carl
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