1: <?php
 2: /**
 3:  * Image effect for applying content aware image resizing.
 4:  *
 5:  * Copyright 2010-2012 Horde LLC (http://www.horde.org/)
 6:  *
 7:  * See the enclosed file COPYING for license information (LGPL). If you
 8:  * did not receive this file, see http://www.horde.org/licenses/lgpl21.
 9:  *
10:  * @author  Michael J. Rubinsky <mrubinsk@horde.org>
11:  * @package Image
12:  */
13: class Horde_Image_Effect_Imagick_LiquidResize extends Horde_Image_Effect
14: {
15:     /**
16:      *
17:      * Valid parameters:
18:      *  <pre>
19:      *    width       - The target width
20:      *    height      - the target height
21:      *    delta_x     - How much the seam may move on x axis (A value of 0
22:      *                  causes the seam to be straight).
23:      *   rigidity     - Introduces a bias for non-straight seams. Typically zero
24:      * </pre>
25:      *
26:      * @var array
27:      */
28:     protected $_params = array();
29: 
30:     public function apply()
31:     {
32:         $this->_params = new Horde_Support_Array($this->_params);
33:         try {
34:             // Only supported if ImageMagick is compiled against lqr library.
35:             if (method_exists($this->_image->imagick, 'liquidRescaleImage')) {
36:                 $this->_image->imagick->liquidRescaleImage(
37:                     $this->_params->width, $this->_params->height, $this->_params->delta_x, $this->_params->rigidity);
38:             } else {
39:                 throw new Horde_Image_Exception('Missing support for lqr in ImageMagick.');
40:             }
41:         } catch (ImagickException $e) {
42:             throw new Horde_Image_Exception($e);
43:         }
44:     }
45: 
46: }