Handbook
Glossary
pixel@ ( x y w image -- start end bitmap )
Vocabulary
images
.
private
Inputs
x
an
object
y
an
object
w
an
object
image
an
object
Outputs
start
an
object
end
an
object
bitmap
an
object
Definition
USING:
accessors
images
kernel
math
sequences
;
IN:
images.private
::
pixel@
( x y w image -- start end bitmap )
image
dim>>
first
y
*
x
+
:>
start start w
[
image
bytes-per-pixel
*
]
bi@
:>
( start' w' ) start' start' w'
+
image
bitmap>>
;
inline