[cairo] virtual surfaces and composition

[Lawrence D'Oliveiro]

On Wed, 09 Dec 2015 21:41:47 +0000, Henry (Yu) Song wrote:

> On 12/9/15, 1:28 PM, "cairo on behalf of Lawrence D'Oliveiro"
> <cairo-bounces at cairographics.org on behalf of
> ldo at geek-central.gen.nz> wrote:
>>
>> Someone added a region object to Cairo, but it doesn’t seem to be
>> used for anything.
>>
> Do you mean cairo_region_t?  It is being used across inside cairo

It may be used internally, but there is no integration at the API
level. For example, you can’t use a region for clipping or filling.