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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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Task/Bitmap-PPM-conversion-through-a-pipe/Racket/bitmap-ppm-conversion-through-a-pipe.rkt Normal file
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(define (ppm->jpeg bitmap [jpg-file "output"] [quality 75])
(define command (format "convert ppm:- -quality ~a jpg:~a.jpg" quality jpg-file))
(match-define (list in out pid err ctrl) (process command))
(bitmap->ppm bitmap out)
(close-input-port in)
(close-output-port out))
(ppm->jpeg bm)