Although I haven't tested it, you might be able to draw in a GUI window (or in any other window owned by the script) with the following approach:
Code:
OnMessage(0x14, "WM_ERASEBKGND")
WM_ERASEBKGND()
{
; ... here do some drawing using the techniques posted in the link below...
; MSDN: "An application should return nonzero if it erases the background;
; otherwise, it should return zero."
return 1
}
Link:
Shimanov's use of DllCall to draw
If all you want to do is paint individual pixels, you can also look into calling
SetPixel() after you get an HDC as shown in examples such as Shimanov's.
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