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<?php
/**
 * Class for converting images into different formats
 *
 * @author Michał Bachowski (michal@bachowski.pl) * @package JPL
 * @subpackage   Jpl_Filter
 * @version 0.1
 * @uses Zend_Filter_Interface, IMagick
 * @license   http://framework.zend.com/license/new-bsd     New BSD License */
class Jpl_Filter_File_Image_Convert {
    /**
     * Destination format
     *     * @var string
     */
    protected $_format    = 'png';
    /**
     * Method sets destination format     *
     * @param  string   $format
     * @return Jpl_Filter_File_Image_Convert
     */
    public function setFormat( $format = null ) {        $this->_format = $format;
        return $this;
    }
    /**
     * Method filters given file - changes type     *
     * @param  string   $file   path to file
     * @return string   name of file
     */
    public function filter( $file ) {        $im = new IMagick( $file );
        $im->setImageFormat( $this->_format );
        $im->writeImage( $file );
        return $file;
    }}