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Description
Converts HSL to HEX colors.
Usage
twentynineteen_hsl_hex( $h, $s, $l, $to_hex );
Parameters
- $h
- ( mixed ) required –
- $s
- ( mixed ) required –
- $l
- ( mixed ) required –
- $to_hex
- ( mixed ) optional default: 1 –
Returns
void
Source
File name: twentynineteen/inc/helper-functions.php
Lines:
1 to 72 of 72
function twentynineteen_hsl_hex( $h, $s, $l, $to_hex = true ) { $h /= 360; $s /= 100; $l /= 100; $r = $l; $g = $l; $b = $l; $v = ( $l <= 0.5 ) ? ( $l * ( 1.0 + $s ) ) : ( $l + $s - $l * $s ); if ( $v > 0 ) { $m = $l + $l - $v; $sv = ( $v - $m ) / $v; $h *= 6.0; $sextant = floor( $h ); $fract = $h - $sextant; $vsf = $v * $sv * $fract; $mid1 = $m + $vsf; $mid2 = $v - $vsf; switch ( $sextant ) { case 0: $r = $v; $g = $mid1; $b = $m; break; case 1: $r = $mid2; $g = $v; $b = $m; break; case 2: $r = $m; $g = $v; $b = $mid1; break; case 3: $r = $m; $g = $mid2; $b = $v; break; case 4: $r = $mid1; $g = $m; $b = $v; break; case 5: $r = $v; $g = $m; $b = $mid2; break; } } $r = round( $r * 255, 0 ); $g = round( $g * 255, 0 ); $b = round( $b * 255, 0 ); if ( $to_hex ) { $r = ( $r < 15 ) ? '0' . dechex( $r ) : dechex( $r ); $g = ( $g < 15 ) ? '0' . dechex( $g ) : dechex( $g ); $b = ( $b < 15 ) ? '0' . dechex( $b ) : dechex( $b ); return "#$r$g$b"; } return "rgb($r, $g, $b)"; }