[cairo] Image Format / Pre-Multiplied Alpha Related Feature Request

[Lawrence D'Oliveiro]

On Thu, 28 Jan 2016 02:39:17 -0500, William Kappler wrote:

> The issue is not any external format like OpenEXR, but that so far as
> I am aware, there is no way to extract non-pre-multiplied information
> out of Cairo.

If you really wanted to, you could trade off resolution for bit depth
by doing oversampling.