[3019] | 1 | <?php |
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| 2 | /** |
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| 3 | * DOMPDF - PHP5 HTML to PDF renderer |
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| 4 | * |
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| 5 | * File: $RCSfile: image_frame_decorator.cls.php,v $ |
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| 6 | * Created on: 2004-08-08 |
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| 7 | * |
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| 8 | * Copyright (c) 2004 - Benj Carson <benjcarson@digitaljunkies.ca> |
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| 9 | * |
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| 10 | * This library is free software; you can redistribute it and/or |
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| 11 | * modify it under the terms of the GNU Lesser General Public |
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| 12 | * License as published by the Free Software Foundation; either |
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| 13 | * version 2.1 of the License, or (at your option) any later version. |
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| 14 | * |
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| 15 | * This library is distributed in the hope that it will be useful, |
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| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 18 | * Lesser General Public License for more details. |
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| 19 | * |
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| 20 | * You should have received a copy of the GNU Lesser General Public License |
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| 21 | * along with this library in the file LICENSE.LGPL; if not, write to the |
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| 22 | * Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
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| 23 | * 02111-1307 USA |
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| 24 | * |
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| 25 | * Alternatively, you may distribute this software under the terms of the |
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| 26 | * PHP License, version 3.0 or later. A copy of this license should have |
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| 27 | * been distributed with this file in the file LICENSE.PHP . If this is not |
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| 28 | * the case, you can obtain a copy at http://www.php.net/license/3_0.txt. |
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| 29 | * |
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| 30 | * The latest version of DOMPDF might be available at: |
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| 31 | * http://www.digitaljunkies.ca/dompdf |
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| 32 | * |
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| 33 | * @link http://www.digitaljunkies.ca/dompdf |
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| 34 | * @copyright 2004 Benj Carson |
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| 35 | * @author Benj Carson <benjcarson@digitaljunkies.ca> |
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| 36 | * @contributor Helmut Tischer <htischer@weihenstephan.org> |
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| 37 | * @package dompdf |
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| 38 | * @version 0.5.1 |
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| 39 | * |
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| 40 | * Changes |
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| 41 | * @contributor Helmut Tischer <htischer@weihenstephan.org> |
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| 42 | * @version 0.5.1.htischer.20090507 |
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| 43 | * - add optional debug output |
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| 44 | */ |
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| 45 | |
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| 46 | /* $Id: image_frame_decorator.cls.php 186 2009-10-19 22:42:06Z eclecticgeek@gmail.com $ */ |
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| 47 | |
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| 48 | /** |
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| 49 | * Decorates frames for image layout and rendering |
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| 50 | * |
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| 51 | * @access private |
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| 52 | * @package dompdf |
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| 53 | */ |
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| 54 | class Image_Frame_Decorator extends Frame_Decorator { |
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| 55 | |
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| 56 | /** |
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| 57 | * Array of downloaded images. Cached so that identical images are |
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| 58 | * not needlessly downloaded. |
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| 59 | * |
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| 60 | * @var array |
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| 61 | */ |
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| 62 | static protected $_cache = array(); |
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| 63 | |
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| 64 | /** |
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| 65 | * The path to the image file (note that remote images are |
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| 66 | * downloaded locally to DOMPDF_TEMP_DIR). |
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| 67 | * |
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| 68 | * @var string |
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| 69 | */ |
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| 70 | protected $_image_url; |
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| 71 | |
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| 72 | /** |
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| 73 | * The image's file extension (i.e. png, jpeg, gif) |
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| 74 | * |
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| 75 | * @var string |
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| 76 | */ |
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| 77 | protected $_image_ext; |
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| 78 | |
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| 79 | /** |
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| 80 | * Class constructor |
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| 81 | * |
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| 82 | * @param Frame $frame the frame to decorate |
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| 83 | * @param DOMPDF $dompdf the document's dompdf object (required to resolve relative & remote urls) |
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| 84 | */ |
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| 85 | function __construct(Frame $frame, DOMPDF $dompdf) { |
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| 86 | global $_dompdf_warnings; |
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| 87 | |
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| 88 | parent::__construct($frame, $dompdf); |
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| 89 | $url = $frame->get_node()->getAttribute("src"); |
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| 90 | |
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| 91 | //debugpng |
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| 92 | if (DEBUGPNG) print '[__construct '.$url.']'; |
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| 93 | |
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| 94 | list($this->_image_url, $this->_image_ext) = Image_Cache::resolve_url($url, |
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| 95 | $dompdf->get_protocol(), |
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| 96 | $dompdf->get_host(), |
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| 97 | $dompdf->get_base_path()); |
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| 98 | |
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| 99 | } |
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| 100 | |
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| 101 | /** |
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| 102 | * Return the image's url |
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| 103 | * |
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| 104 | * @return string The url of this image |
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| 105 | */ |
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| 106 | function get_image_url() { |
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| 107 | return $this->_image_url; |
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| 108 | } |
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| 109 | |
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| 110 | /** |
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| 111 | * Return the image's file extension |
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| 112 | * |
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| 113 | * @return string The image's file extension |
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| 114 | */ |
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| 115 | function get_image_ext() { |
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| 116 | return $this->_image_ext; |
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| 117 | } |
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| 118 | |
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| 119 | /** |
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| 120 | * Unlink all cached images (i.e. temporary images either downloaded |
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| 121 | * or converted) |
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| 122 | */ |
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| 123 | static function clear_image_cache() { |
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| 124 | if ( count(self::$_cache) ) { |
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| 125 | foreach (self::$_cache as $file) |
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| 126 | //debugpng |
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| 127 | if (DEBUGPNG) print '[clear_image_cache unlink '.$file.']'; |
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| 128 | if (!DEBUGKEEPTEMP) |
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| 129 | unlink($file); |
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| 130 | } |
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| 131 | } |
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| 132 | } |
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| 133 | ?> |
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