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Ingy döt Net 2013-04-10 16:19:29 -07:00
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Task/Bitmap-PPM-conversion-through-a-pipe/PicoLisp/bitmap-ppm-conversion-through-a-pipe.l Normal file
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# Create an empty image of 120 x 90 pixels
(setq *Ppm (make (do 90 (link (need 120)))))
# Fill background with green color
(ppmFill *Ppm 0 255 0)
# Draw a diagonal line
(for I 80 (ppmSetPixel *Ppm I I 0 0 0))
# Write to "img.jpg" through a pipe
(ppmWrite *Ppm '("convert" "-" "img.jpg"))