11 lines
220 B
Bash
11 lines
220 B
Bash
function setrgb {
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_.r=$1
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_.g=$2
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_.b=$3
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}
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function grayscale {
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integer x=$(( round( 0.2126*_.r + 0.7152*_.g + 0.0722*_.b ) ))
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_.r=$x
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_.g=$x
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_.b=$x
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}
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