[cairo] bounded operators

M Joonas Pihlaja jpihlaja at cc.helsinki.fi
Sat Nov 6 04:23:01 PDT 2010


On Sat, 6 Nov 2010, L A wrote:

> Probably a stupid question: why are CAIRO_OPERATOR_SOURCE and
> CAIRO_OPERATOR_CLEAR not bounded? _cairo_operator_bounded_by_source
> call seems to be returning false for these two.

SOURCE isn't source-bounded because it's supposed to faithfully copy
the source to the destination.

CLEAR isn't source-bounded because it's supposed to ignore the source.

Both are mask-bounded, however.

Joonas


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