colorspace. It is painting in a color space that is… 1. Linear - there’s no gamma encoding, or tone-mapping or whatever going on with the pixels you manipulate. (This is different from the pixels you see when you want to choose yourself. You will eventually want to stick your image through some tone-mapping or gamma correction, but only at the end after you have applied filters and mixed colors! In fact non-destructive sort of transform going on while you are working on your image which includes the tone-mapping. This is called a display or view transform, and they provide a sort of set of binoculars into the

authentication Request Bob <- Alice : Another authentication Response autonumber 40 10 "Message 0 " Bob -> Alice : Yet another authentication Request Bob <- Alice : Yet another authentication Response Authentication Response autonumber stop Bob -> Alice : dummy autonumber resume "Message 0 " Bob -> Alice : Yet another authentication Request Bob <- Alice : Yet another authentication Response Response autonumber stop Bob -> Alice : dummy autonumber resume 1 "Message 0 " Bob -> Alice : Yet another authentication Request Bob <- Alice : Yet another authentication Response