$rgbArray['red'] = hexdec(str_repeat(substr($hexStr, 0, 1), 2));
$rgbArray['green'] = hexdec(str_repeat(substr($hexStr, 1, 1), 2));
$rgbArray['blue'] = hexdec(str_repeat(substr($hexStr, 2, 1), 2));
} else {
return false;
}
return $returnAsString ? implode($separator, $rgbArray) : $rgbArray;
// returns the rgb string or the associative array
}
/**
* Extract a HEX colour and opacity from rgba colour
*/
function rgba2hexop($rgbaStr)
{
if (preg_match('/rgba\\(([0-9]+),([0-9]+),([0-9]+),([0-9\\.]+)\\)/', $rgbaStr, $matches)) {
$hexStr = '';
for ($i = 1; $i < 4; $i++) {
$hex = dechex($matches[$i]);
if (strlen($hex) == 1) {
$hex = "0" . $hex;
}
$hexStr .= $hex;
}
return array('hex' => '#' . $hexStr, 'op' => floatval($matches[4]));
} else {
return array('hex' => '#000000', 'op' => 0.5);
}
}
}
wkwThemeAdmin::register();
}
