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PHP version of HSL to RGB
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<?php | |
// Original Credit goes to: | |
// Paul S. @ StackOverflow https://stackoverflow.com/a/17243070 | |
// This has been converted from JavaScript. | |
// | |
// I was unable to find a pre-made solution in PHP that worked correct. | |
// Specifically: HSL(360,87,87) | |
function HSV_TO_RGB($h, $s, $v) { | |
$i = floor($h * 6); | |
$f = $h * 6 - $i; | |
$p = $v * (1 - $s); | |
$q = $v * (1 - $f * $s); | |
$t = $v * (1 - (1 - $f) * $s); | |
switch ($i % 6) { | |
case 0: $r = $v; $g = $t; $b = $p; break; | |
case 1: $r = $q; $g = $v; $b = $p; break; | |
case 2: $r = $p; $g = $v; $b = $t; break; | |
case 3: $r = $p; $g = $q; $b = $v; break; | |
case 4: $r = $t; $g = $p; $b = $v; break; | |
case 5: $r = $v; $g = $p; $b = $q; break; | |
} | |
return [ | |
'r' => round($r * 255), | |
'g' => round($g * 255), | |
'b' => round($b * 255) | |
]; | |
} |
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