[REBOL] Re: point, plot, pixel ?
From: santilli:gabriele::gmail at: 5-Aug-2010 12:38
2010/8/5 =C5=9Eemseddin Moldibi <semseddinm-bircom.com>:
> img: make image! 100x50
> lay: layout [image img]
> putpixel: func [x y] [change skip img 100 * y + x white]
> putpixel 40 20
> view lay
It's easier than that:
>> img: make image! 100x100
== make image! [100x100 #{
000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000...
>> poke img 5x5 white
== 255.255.255
>> view layout [image img]
Ie. use POKE with a pair! and a color. You can use the fourth element
of the tuple to set the alpha channel.
