Easy way to set a simple black pixel

[mullovc]

hello everyone,
I wanted to ask: what is the easiest way to set a black pixel at coordinates x,y.
Thanks in advance.

[SGaist]

Hi and welcome to devnet,

You need to provide more information like OS, Qt version and the most important: on what do you want to set a black pixel ?

[raven-worx]

[quote author="mullovc" date="1384203591"]
I wanted to ask: what is the easiest way to set a black pixel at coordinates x,y.[/quote]
in an image, on the screen, ... ?