<?php
/*
    +--------------------------------------------------------------------------------------------+
    |   DISCLAIMER - LEGAL NOTICE -                                                              |
    +--------------------------------------------------------------------------------------------+
    |                                                                                            |
    |  This program is free for non comercial use, see the license terms available at            |
    |  http://www.francodacosta.com/licencing/ for more information                              |
    |                                                                                            |    
    |  This program 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. |
    |                                                                                            |
    |  USE IT AT YOUR OWN RISK                                                                   |
    |                                                                                            |
    |                                                                                            |
    +--------------------------------------------------------------------------------------------+

*/
/**
 * phMagick - Crop function
 *
 * @package    phMagick
 * @version    0.1.0
 * @author     Nuno Costa - hide@address.com
 * @copyright  Copyright (c) 2007
 * @license    http://www.francodacosta.com/phmagick/license/
 * @link       http://www.francodacosta.com/phmagick
 * @since      2008-03-13
 */
class phMagick_crop{
/**
     *
     * @param $width Integer
     * @param $height Integer
     * @param $top Integer - The Y coordinate for the left corner of the crop rectangule
     * @param $left Integer - The X coordinate for the left corner of the crop rectangule
     * @param $gravity phMagickGravity - The initial placement of the crop rectangule
     * @return unknown_type
     */
    function crop(phmagick $p, $width, $height, $top = 0, $left = 0, $gravity = 'center'){
        $cmd  = $p->getBinary('convert');
        $cmd .= ' ' . $p->getSource() ;

        if (($gravity != '')|| ($gravity != phMagickGravity::None) )  $cmd .= ' -gravity ' . $gravity ;

        $cmd .= ' -crop ' . (int)$width . 'x'.(int)$height ;
        $cmd .= '+' . $left.'+'.$top;
        $cmd .= ' ' . $p->getDestination() ;

        $p->execute($cmd);
        $p->setSource($p->getDestination());
        $p->setHistory($p->getDestination());
        return  $p ;
    }
}
?>