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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
199093 changed files with 3378972 additions and 0 deletions
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Task/Bitmap-Write-a-PPM-file/Stata/bitmap-write-a-ppm-file.stata Normal file
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mata
void writeppm(name, r, g, b) {
n = rows(r)
p = cols(r)
f = fopen(name, "w")
fput(f, "P3")
fput(f, strofreal(p) + " " + strofreal(n) + " 255")
for (i = 1; i <= n; i++) {
for (j = 1; j <= p; j++) {
fput(f, strofreal(r[i,j]) + " " + strofreal(g[i,j]) + " " + strofreal(b[i,j]))
}
}
fclose(f)
}
r = J(1, 6, (0::5) * 51)
g = J(6, 1, (0..5) * 51)
b = J(6, 6, 255)
writeppm("image.ppm", r, g, b)
end