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<?php
/**
* ------------------------------------------------------------------------
* Helper - Parallax Scroll
* ------------------------------------------------------------------------
* Copyright (C) 2014-2016 LogicHunt, All Rights Reserved.
* license - GNU/GPL, http://www.gnu.org/licenses/gpl.html
* Author: LogicHunt
* Websites: http://logichunt.com - http://logichunt.com
* ------------------------------------------------------------------------
*/
defined('_JEXEC') or die;
class LgxParallaxAHelper {
public static function lgx_parallax_hex2rgba($color, $opacity) {
$default = 'rgb(0,0,0)';
//Return default if no color provided
if(empty($color))
return $default;
//Sanitize $color if "#" is provided
if ($color[0] == '#' ) {
$color = substr( $color, 1 );
}
//Check if color has 6 or 3 characters and get values
if (strlen($color) == 6) {
$hex = array( $color[0] . $color[1], $color[2] . $color[3], $color[4] . $color[5] );
} elseif ( strlen( $color ) == 3 ) {
$hex = array( $color[0] . $color[0], $color[1] . $color[1], $color[2] . $color[2] );
} else {
return $default;
}
//Convert hexadec to rgb
$rgb = array_map('hexdec', $hex);
//Check if opacity is set(rgba or rgb)
if(isset($opacity)){
if(abs($opacity) > 1){
$opacity = 1.0;
}
$output = 'rgba('.implode(",",$rgb).','.$opacity.')';
} else {
$output = 'rgb('.implode(",",$rgb).')';
}
//Return rgb(a) color string
return $output;
}
}