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A-M baby

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Ingy döt Net 2013-04-10 21:29:02 -07:00
parent 764da6cbbb
commit db842d013d
19005 changed files with 197040 additions and 7 deletions
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7
Task/Bitmap-Write-a-PPM-file/J/bitmap-write-a-ppm-file-1.j Normal file
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require 'files'
NB. ($x) is height, width, colors per pixel
writeppm=:dyad define
header=. 'P6',LF,(":1 0{$x),LF,'255',LF
(header,,x{a.) fwrite y
)

4
Task/Bitmap-Write-a-PPM-file/J/bitmap-write-a-ppm-file-2.j Normal file
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NB. create 10 by 10 block of magenta pixels in top right quadrant of a 300 wide by 600 high green image
myimg=: ((145 + pixellist) ; 255 0 255) setPixels 0 255 0 makeRGB 600 200
myimg writeppm jpath '~temp/myimg.ppm'
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