1: <?php
 2: /**
 3:  * ImageGenerator to create the screen view - image sized for slideshow view.
 4:  *
 5:  * @author Michael J. Rubinsky <mrubinsk@horde.org>
 6:  * @package Ansel
 7:  */
 8: class Ansel_ImageGenerator_Screen extends Ansel_ImageGenerator
 9: {
10:     /**
11:      *
12:      * @return boolean
13:      */
14:     protected function _create()
15:     {
16:         $this->_image->resize(min($GLOBALS['conf']['screen']['width'], $this->_dimensions['width']),
17:                               min($GLOBALS['conf']['screen']['height'], $this->_dimensions['height']),
18:                               true);
19:         if ($GLOBALS['conf']['screen']['unsharp'] && Ansel::isAvailable('Unsharpmask')) {
20:             try {
21:                 $this->_image->addEffect('Unsharpmask',
22:                                          array('radius' => $GLOBALS['conf']['screen']['radius'],
23:                                                'threshold' => $GLOBALS['conf']['screen']['threshold'],
24:                                                'amount' => $GLOBALS['conf']['screen']['amount']));
25:                 $this->_image->applyEffects();
26:             } catch (Horde_Image $e) {
27:                 throw new Ansel_Exception($e);
28:             }
29:         }
30: 
31:         return $this->_image->getHordeImage();
32:     }
33: 
34: }
35: