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Default Settings: Enhance swatch display on color values.

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reliberate
2016-03-30 17:43:57 -06:00
parent a9db46254b
commit ee100c6769
2 changed files with 41 additions and 9 deletions
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37
resources/functions.php
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@@ -1173,7 +1173,42 @@ function number_pad($number,$n) {
}
}
//function to lighten or darken a hexidecimal, rgb, or rgba color value by a percentage (requires functions rgb_to_hsl and hsl_to_rgb, also below)
//function to get a color's luminence level -- dependencies: rgb_to_hsl()
if (!function_exists('get_color_luminence')) {
function get_color_luminence($color) {
//convert hex to rgb
if (substr_count($color, ',') == 0) {
$color = str_replace(' ', '', $color);
$color = str_replace('#', '', $color);
if (strlen($color) == 3) {
$r = hexdec(substr($color,0,1).substr($color,0,1));
$g = hexdec(substr($color,1,1).substr($color,1,1));
$b = hexdec(substr($color,2,1).substr($color,2,1));
}
else {
$r = hexdec(substr($color,0,2));
$g = hexdec(substr($color,2,2));
$b = hexdec(substr($color,4,2));
}
$color = $r.','.$g.','.$b;
}
//color to array, pop alpha
if (substr_count($color, ',') > 0) {
$color = str_replace(' ', '', $color);
$color = str_replace('rgb', '', $color);
$color = str_replace('a(', '', $color);
$color = str_replace(')', '', $color);
$color = explode(',', $color);
$hsl = rgb_to_hsl($color[0], $color[1], $color[2]);
}
//return luminence value
return (is_array($hsl) && is_numeric($hsl[2])) ? $hsl[2] : null;
}
}
//function to lighten or darken a hexidecimal, rgb, or rgba color value by a percentage -- dependencies: rgb_to_hsl(), hsl_to_rgb()
if (!function_exists('color_adjust')) {
function color_adjust($color, $percent) {
/*