[cairo] alpha blending

Lawrence D'Oliveiro ldo at geek-central.gen.nz
Wed Mar 25 12:34:07 PDT 2015

On Wed, 25 Mar 2015 12:18:47 -0700, Bill Spitzak wrote:

> That simulate gamma-corrected compositing (in this case a 50% blend).

Isn’t colour management supposed to solve all that? So that we can do
all our image processing in a linear colour space.

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