[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: list_bullet_image_frame_decorator.cls.php,v $ |
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| 6 | * Created on: 2005-06-28 |
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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 | * - added comment |
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| 44 | */ |
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| 45 | |
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| 46 | /* $Id: list_bullet_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 list bullets with custom images |
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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 List_Bullet_Image_Frame_Decorator extends Frame_Decorator { |
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| 55 | |
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| 56 | /** |
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| 57 | * The underlying image frame |
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| 58 | * |
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| 59 | * @var Image_Frame_Decorator |
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| 60 | */ |
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| 61 | protected $_img; |
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| 62 | |
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| 63 | /** |
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| 64 | * The image's width in pixels |
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| 65 | * |
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| 66 | * @var int |
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| 67 | */ |
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| 68 | protected $_width; |
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| 69 | |
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| 70 | /** |
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| 71 | * The image's height in pixels |
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| 72 | * |
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| 73 | * @var int |
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| 74 | */ |
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| 75 | protected $_height; |
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| 76 | |
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| 77 | /** |
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| 78 | * Class constructor |
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| 79 | * |
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| 80 | * @param Frame $frame the bullet frame to decorate |
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| 81 | * @param DOMPDF $dompdf the document's dompdf object |
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| 82 | */ |
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| 83 | function __construct(Frame $frame, DOMPDF $dompdf) { |
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| 84 | $style = $frame->get_style(); |
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| 85 | $url = $style->list_style_image; |
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| 86 | $frame->get_node()->setAttribute("src", $url); |
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| 87 | $this->_img = new Image_Frame_Decorator($frame, $dompdf); |
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| 88 | parent::__construct($this->_img, $dompdf); |
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| 89 | list($width, $height) = getimagesize($this->_img->get_image_url()); |
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| 90 | |
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| 91 | // Resample the bullet image to be consistent with 'auto' sized images |
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| 92 | // See also Image_Frame_Reflower::get_min_max_width |
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| 93 | // Tested php ver: value measured in px, suffix "px" not in value: rtrim unnecessary. |
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| 94 | $this->_width = (((float)rtrim($width, "px")) * 72) / DOMPDF_DPI; |
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| 95 | $this->_height = (((float)rtrim($height, "px")) * 72) / DOMPDF_DPI; |
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| 96 | |
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| 97 | //If an image is taller as the containing block/box, the box should be extended. |
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| 98 | //Neighbour elements are overwriting the overlapping image areas. |
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| 99 | //Todo: Where can the box size be extended? |
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| 100 | //Code below has no effect. |
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| 101 | //See block_frame_reflower _calculate_restricted_height |
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| 102 | //See generated_frame_reflower, Dompdf:render() "list-item", "-dompdf-list-bullet"S. |
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| 103 | //Leave for now |
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| 104 | //if ($style->min_height < $this->_height ) { |
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| 105 | // $style->min_height = $this->_height; |
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| 106 | //} |
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| 107 | //$style->height = "auto"; |
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| 108 | } |
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| 109 | |
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| 110 | /** |
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| 111 | * Return the bullet's width |
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| 112 | * |
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| 113 | * @return int |
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| 114 | */ |
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| 115 | function get_width() { |
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| 116 | //ignore image width, use same width as on predefined bullet List_Bullet_Frame_Decorator |
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| 117 | //for proper alignment of bullet image and text. Allow image to not fitting on left border. |
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| 118 | //This controls the distance between bullet image and text |
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| 119 | //return $this->_width; |
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| 120 | return $this->_frame->get_style()->get_font_size()*List_Bullet_Frame_Decorator::BULLET_SIZE + |
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| 121 | 2 * List_Bullet_Frame_Decorator::BULLET_PADDING; |
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| 122 | } |
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| 123 | |
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| 124 | /** |
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| 125 | * Return the bullet's height |
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| 126 | * |
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| 127 | * @return int |
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| 128 | */ |
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| 129 | function get_height() { |
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| 130 | //based on image height |
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| 131 | return $this->_height; |
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| 132 | } |
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| 133 | |
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| 134 | /** |
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| 135 | * Override get_margin_width |
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| 136 | * |
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| 137 | * @return int |
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| 138 | */ |
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| 139 | function get_margin_width() { |
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| 140 | //ignore image width, use same width as on predefined bullet List_Bullet_Frame_Decorator |
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| 141 | //for proper alignment of bullet image and text. Allow image to not fitting on left border. |
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| 142 | //This controls the extra indentation of text to make room for the bullet image. |
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| 143 | //Here use actual image size, not predefined bullet size |
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| 144 | //return $this->_frame->get_style()->get_font_size()*List_Bullet_Frame_Decorator::BULLET_SIZE + |
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| 145 | // 2 * List_Bullet_Frame_Decorator::BULLET_PADDING; |
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| 146 | |
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| 147 | // Small hack to prevent indenting of list text |
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| 148 | // Image Might not exist, then position like on list_bullet_frame_decorator fallback to none. |
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| 149 | if ( $this->_frame->get_style()->list_style_position == "outside" || |
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| 150 | $this->_width == 0) |
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| 151 | return 0; |
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| 152 | //This aligns the "inside" image position with the text. |
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| 153 | //The text starts to the right of the image. |
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| 154 | //Between the image and the text there is an added margin of image width. |
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| 155 | //Where this comes from is unknown. |
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| 156 | //The corresponding List_Bullet_Frame_Decorator sets a smaller margin. bullet size? |
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| 157 | return $this->_width + 2 * List_Bullet_Frame_Decorator::BULLET_PADDING; |
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| 158 | } |
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| 159 | |
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| 160 | /** |
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| 161 | * Override get_margin_height() |
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| 162 | * |
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| 163 | * @return int |
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| 164 | */ |
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| 165 | function get_margin_height() { |
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| 166 | //Hits only on "inset" lists items, to increase height of box |
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| 167 | //based on image height |
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| 168 | return $this->_height + 2 * List_Bullet_Frame_Decorator::BULLET_PADDING; |
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| 169 | } |
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| 170 | |
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| 171 | /** |
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| 172 | * Return image url |
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| 173 | * |
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| 174 | * @return string |
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| 175 | */ |
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| 176 | function get_image_url() { |
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| 177 | return $this->_img->get_image_url(); |
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| 178 | } |
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| 179 | |
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| 180 | /** |
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| 181 | * Return the image extension |
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| 182 | * |
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| 183 | * @return string |
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| 184 | */ |
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| 185 | function get_image_ext() { |
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| 186 | return $this->_img->get_image_ext(); |
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| 187 | } |
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| 188 | |
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| 189 | } |
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| 190 | |
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| 191 | ?> |
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