1: <?php
 2: /**
 3:  * The Horde_Mime_Viewer_Images class allows images to be displayed.
 4:  *
 5:  * Copyright 2002-2012 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 Slusarz <slusarz@horde.org>
11:  * @category Horde
12:  * @license  http://www.horde.org/licenses/lgpl21 LGPL 2.1
13:  * @package  Mime_Viewer
14:  */
15: class Horde_Mime_Viewer_Images extends Horde_Mime_Viewer_Base
16: {
17:     /**
18:      * This driver's display capabilities.
19:      *
20:      * @var array
21:      */
22:     protected $_capability = array(
23:         'full' => true,
24:         'info' => false,
25:         'inline' => false,
26:         'raw' => false
27:     );
28: 
29:     /**
30:      * Constructor.
31:      *
32:      * @param Horde_Mime_Part $mime_part  The object with the data to be
33:      *                                    rendered.
34:      * @param array $conf                 Configuration.
35:      */
36:     public function __construct(Horde_Mime_Part $part, array $conf = array())
37:     {
38:         parent::__construct($part, $conf);
39: 
40:         /* TODO: Are there other image types that are compressed? */
41:         $this->_metadata['compressed'] = in_array($this->_getType(), array('image/gif', 'image/jpeg', 'image/png'));
42:     }
43: 
44:     /**
45:      * Return the full rendered version of the Horde_Mime_Part object.
46:      *
47:      * @return array  See parent::render().
48:      */
49:     protected function _render()
50:     {
51:         return $this->_renderReturn(null, $this->_getType());
52:     }
53: 
54:     /**
55:      * Return the content-type to use for the image.
56:      *
57:      * @return string  The content-type of the image.
58:      */
59:     protected function _getType()
60:     {
61:         $type = $this->_mimepart->getType();
62: 
63:         switch ($type) {
64:         case 'image/jpg':
65:             /* image/jpg == image/jpeg. */
66:         case 'image/pjpeg':
67:             /* image/jpeg and image/pjpeg *appear* to be the same entity, but
68:              * Mozilla (for one) don't seem to want to accept the latter. */
69:             return 'image/jpeg';
70: 
71:         case 'image/x-png':
72:             /* image/x-png == image/png. */
73:             return 'image/png';
74: 
75:         default:
76:             return $type;
77:         }
78:     }
79: 
80: }
81: