1: <?php
 2: /**
 3:  * Factory for getting list of all available pre-defined styles.
 4:  *
 5:  * @author Michael J. Rubinsky <mrubinsk@horde.org>
 6:  * @category Horde
 7:  * @license  http://www.horde.org/licenses/gpl GPL
 8:  * @package  Ansel
 9:  */
10: class Ansel_Factory_Styles extends Horde_Core_Factory_Injector
11: {
12:     public function create (Horde_Injector $injector)
13:     {
14:         /* Brings in the $styles array in this scope only */
15:         $styles = Horde::loadConfiguration('styles.php', 'styles', 'ansel');
16: 
17:         /* No prettythumbs allowed at all by admin choice */
18:         if (empty($GLOBALS['conf']['image']['prettythumbs'])) {
19:             $test = $styles;
20:             foreach ($test as $key => $style) {
21:                 if ($style['thumbstyle'] != 'Thumb') {
22:                     unset($styles[$key]);
23:                 }
24:             }
25:         }
26: 
27:         /* Check if the browser / server has png support */
28:         if ($GLOBALS['browser']->hasQuirk('png_transparency') ||
29:             $GLOBALS['conf']['image']['type'] != 'png') {
30: 
31:             $test = $styles;
32:             foreach ($test as $key => $style) {
33:                 if (!empty($style['requires_png'])) {
34:                     if (!empty($style['fallback'])) {
35:                         $styles[$key] = $styles[$style['fallback']];
36:                     } else {
37:                         unset($styles[$key]);
38:                     }
39:                 }
40:             }
41:         }
42: 
43:         return $styles;
44:     }
45: 
46: }
47: