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Colour pinstripe/Printer: Difference between revisions
→{{header|Racket}}
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(inc 'Step) ) ) )
(page) ) )</lang>
=={{header|Racket}}==
The drawing code is exactly the same code as [[Colour_pinstripe/Display#Racket]],
only drawing onto a printer device context now.
<lang Racket>
#lang racket/gui
(define parts 4)
(define dc (new printer-dc%))
(send* dc (start-doc "Colour Pinstripe") (start-page))
(define-values [W H] (send dc get-size))
(define parts 4)
(define colors
'("Black" "Red" "Green" "Blue" "Magenta" "Cyan" "Yellow" "White"))
(send dc set-pen "black" 0 'transparent)
(send dc set-brush "black" 'solid)
(define H* (round (/ H parts)))
(for ([row parts])
(define Y (* row H*))
(for ([X (in-range 0 W (add1 row))] [c (in-cycle colors)])
(send dc set-brush c 'solid)
(send dc draw-rectangle X Y (add1 row) H*)))
(send* dc (end-page) (end-doc))
</lang>
=={{header|Tcl}}==
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