Location: PHPKode > projects > Oledrion > class/wideimage/Dimension.class.php
<?php
	/**
    This file is part of WideImage.
		
    WideImage is free software; you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as published by
    the Free Software Foundation; either version 2.1 of the License, or
    (at your option) any later version.
		
    WideImage is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Lesser General Public License for more details.
		
    You should have received a copy of the GNU Lesser General Public License
    along with WideImage; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  **/
	
	class wiDimension
	{
		static function isPercent($dim)
		{
			return preg_match('/^[0-9]+(\.[0-9]+)?\%$/', $dim);
		}
		
		static function calculateRelativeDimension($max, $dim)
		{
			return intval(round($max * floatval(str_replace('%', '', $dim)) / 100));
		}
		
		static function fix($max, $dim)
		{
			if (self::isPercent($dim))
				return self::calculateRelativeDimension($max, $dim);
			else
				return intval(round(floatval($dim)));
		}
	}
?>
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