Grayscale image: Difference between revisions
m
→{{header|Raku}}: argument to 'chr' must be integer
m (→{{header|Visual Basic}}: minor clarifications) |
SqrtNegInf (talk | contribs) m (→{{header|Raku}}: argument to 'chr' must be integer) |
||
Line 1,679:
for $in.lines.ords -> $r, $g, $b {
my $gs = $r * 0.2126 + $g * 0.7152 + $b * 0.0722;
$out.print: chr($gs.floor min 255);
}
| |||