! Copyright (C) 2009 Doug Coleman, Daniel Ehrenberg.
! See http://factorcode.org/license.txt for BSD license.
-USING: accessors combinators kernel locals math sequences ;
+USING: accessors combinators kernel math sequences ;
IN: images
SINGLETONS:
:: each-pixel ( ... image quot: ( ... x y pixel -- ... ) -- ... )
image dim>> first2 :> ( width height )
image bytes-per-pixel :> n
- height width [ iota ] bi@ [| y x |
+ height width [ <iota> ] bi@ [| y x |
y width * x + :> start
start n * :> from
from n + :> to