[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: block_frame_reflower.cls.php,v $ |
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| 6 | * Created on: 2004-06-17 |
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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 | * @package dompdf |
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| 37 | * @version 0.5.1 |
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| 38 | */ |
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| 39 | |
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| 40 | /* $Id: block_frame_reflower.cls.php 186 2009-10-19 22:42:06Z eclecticgeek@gmail.com $ */ |
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| 41 | |
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| 42 | /** |
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| 43 | * Reflows block frames |
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| 44 | * |
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| 45 | * @access private |
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| 46 | * @package dompdf |
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| 47 | */ |
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| 48 | class Block_Frame_Reflower extends Frame_Reflower { |
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| 49 | const MIN_JUSTIFY_WIDTH = 0.80; // (Minimum line width to justify, as |
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| 50 | // fraction of available width) |
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| 51 | |
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| 52 | function __construct(Block_Frame_Decorator $frame) { parent::__construct($frame); } |
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| 53 | |
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| 54 | //........................................................................ |
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| 55 | |
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| 56 | // Calculate the ideal used value for the width property as per: |
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| 57 | // http://www.w3.org/TR/CSS21/visudet.html#Computing_widths_and_margins |
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| 58 | |
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| 59 | protected function _calculate_width($width) { |
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| 60 | $style = $this->_frame->get_style(); |
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| 61 | $w = $this->_frame->get_containing_block("w"); |
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| 62 | |
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| 63 | $rm = $style->length_in_pt($style->margin_right, $w); |
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| 64 | $lm = $style->length_in_pt($style->margin_left, $w); |
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| 65 | |
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| 66 | $left = $style->length_in_pt($style->left, $w); |
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| 67 | $right = $style->length_in_pt($style->right, $w); |
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| 68 | |
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| 69 | // Handle 'auto' values |
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| 70 | $dims = array($style->border_left_width, |
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| 71 | $style->border_right_width, |
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| 72 | $style->padding_left, |
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| 73 | $style->padding_right, |
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| 74 | $width !== "auto" ? $width : 0, |
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| 75 | $rm !== "auto" ? $rm : 0, |
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| 76 | $lm !== "auto" ? $lm : 0); |
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| 77 | |
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| 78 | // absolutely positioned boxes take the 'left' and 'right' properties into account |
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| 79 | if ( $style->position == "absolute" || $style->position == "fixed" ) { |
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| 80 | $absolute = true; |
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| 81 | $dims[] = $left !== "auto" ? $left : 0; |
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| 82 | $dims[] = $right !== "auto" ? $right : 0; |
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| 83 | } else { |
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| 84 | $absolute = false; |
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| 85 | } |
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| 86 | |
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| 87 | $sum = $style->length_in_pt($dims, $w); |
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| 88 | |
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| 89 | // Compare to the containing block |
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| 90 | $diff = $w - $sum; |
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| 91 | |
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| 92 | if ( $diff > 0 ) { |
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| 93 | |
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| 94 | if ( $absolute ) { |
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| 95 | |
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| 96 | // resolve auto properties: see |
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| 97 | // http://www.w3.org/TR/CSS21/visudet.html#abs-non-replaced-width |
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| 98 | |
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| 99 | if ( $width === "auto" && $left === "auto" && $right === "auto" ) { |
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| 100 | |
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| 101 | if ( $lm === "auto" ) |
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| 102 | $lm = 0; |
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| 103 | if ( $rm === "auto" ) |
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| 104 | $rm = 0; |
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| 105 | |
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| 106 | // Technically, the width should be "shrink-to-fit" i.e. based on the |
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| 107 | // preferred width of the content... a little too costly here as a |
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| 108 | // special case. Just get the width to take up the slack: |
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| 109 | $left = 0; |
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| 110 | $right = 0; |
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| 111 | $width = $diff; |
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| 112 | |
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| 113 | } else if ( $width === "auto" ) { |
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| 114 | |
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| 115 | if ( $lm === "auto" ) |
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| 116 | $lm = 0; |
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| 117 | if ( $rm === "auto" ) |
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| 118 | $rm = 0; |
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| 119 | if ( $left === "auto" ) |
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| 120 | $left = 0; |
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| 121 | if ( $right === "auto" ) |
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| 122 | $right = 0; |
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| 123 | |
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| 124 | $width = $diff; |
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| 125 | |
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| 126 | } else if ( $left === "auto" ) { |
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| 127 | if ( $lm === "auto" ) |
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| 128 | $lm = 0; |
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| 129 | if ( $rm === "auto" ) |
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| 130 | $rm = 0; |
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| 131 | if ( $right === "auto" ) |
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| 132 | $right = 0; |
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| 133 | |
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| 134 | $left = $diff; |
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| 135 | |
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| 136 | } else if ( $right === "auto" ) { |
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| 137 | |
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| 138 | if ( $lm === "auto" ) |
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| 139 | $lm = 0; |
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| 140 | if ( $rm === "auto" ) |
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| 141 | $rm = 0; |
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| 142 | |
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| 143 | $right = $diff; |
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| 144 | } |
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| 145 | |
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| 146 | } else { |
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| 147 | |
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| 148 | // Find auto properties and get them to take up the slack |
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| 149 | if ( $width === "auto" ) |
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| 150 | $width = $diff; |
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| 151 | |
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| 152 | else if ( $lm === "auto" && $rm === "auto" ) |
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| 153 | $lm = $rm = round($diff / 2); |
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| 154 | |
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| 155 | else if ( $lm === "auto" ) |
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| 156 | $lm = $diff; |
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| 157 | |
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| 158 | else if ( $rm === "auto" ) |
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| 159 | $rm = $diff; |
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| 160 | } |
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| 161 | |
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| 162 | } else if ($diff < 0) { |
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| 163 | |
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| 164 | // We are over constrained--set margin-right to the difference |
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| 165 | $rm = $diff; |
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| 166 | |
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| 167 | } |
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| 168 | |
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| 169 | $ret = array("width"=> $width, "margin_left" => $lm, "margin_right" => $rm, "left" => $left, "right" => $right); |
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| 170 | |
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| 171 | return $ret; |
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| 172 | } |
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| 173 | |
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| 174 | // Call the above function, but resolve max/min widths |
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| 175 | protected function _calculate_restricted_width() { |
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| 176 | $style = $this->_frame->get_style(); |
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| 177 | $cb = $this->_frame->get_containing_block(); |
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| 178 | |
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| 179 | if ( !isset($cb["w"]) ) |
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| 180 | throw new DOMPDF_Exception("Box property calculation requires containing block width"); |
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| 181 | |
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| 182 | // Treat width 100% as auto |
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| 183 | if ( $style->width === "100%" ) |
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| 184 | $width = "auto"; |
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| 185 | else |
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| 186 | $width = $style->length_in_pt($style->width, $cb["w"]); |
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| 187 | |
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| 188 | extract($this->_calculate_width($width)); |
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| 189 | |
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| 190 | // Handle min/max width |
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| 191 | $min_width = $style->length_in_pt($style->min_width, $cb["w"]); |
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| 192 | $max_width = $style->length_in_pt($style->max_width, $cb["w"]); |
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| 193 | |
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| 194 | if ( $max_width !== "none" && $min_width > $max_width) |
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| 195 | // Swap 'em |
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| 196 | list($max_width, $min_width) = array($min_width, $max_width); |
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| 197 | |
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| 198 | if ( $max_width !== "none" && $width > $max_width ) |
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| 199 | extract($this->_calculate_width($max_width)); |
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| 200 | |
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| 201 | if ( $width < $min_width ) |
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| 202 | extract($this->_calculate_width($min_width)); |
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| 203 | |
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| 204 | return array($width, $margin_left, $margin_right, $left, $right); |
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| 205 | |
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| 206 | } |
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| 207 | |
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| 208 | //........................................................................ |
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| 209 | |
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| 210 | // Determine the unrestricted height of content within the block |
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| 211 | protected function _calculate_content_height() { |
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| 212 | |
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| 213 | // Calculate the actual height |
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| 214 | $height = 0; |
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| 215 | |
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| 216 | // Add the height of all lines |
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| 217 | foreach ($this->_frame->get_lines() as $line) |
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| 218 | $height += $line["h"]; |
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| 219 | |
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| 220 | return $height; |
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| 221 | |
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| 222 | } |
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| 223 | |
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| 224 | // Determine the frame's restricted height |
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| 225 | protected function _calculate_restricted_height() { |
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| 226 | $style = $this->_frame->get_style(); |
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| 227 | $content_height = $this->_calculate_content_height(); |
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| 228 | $cb = $this->_frame->get_containing_block(); |
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| 229 | |
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| 230 | $height = $style->length_in_pt($style->height, $cb["h"]); |
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| 231 | |
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| 232 | $top = $style->length_in_pt($style->top, $cb["h"]); |
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| 233 | $bottom = $style->length_in_pt($style->bottom, $cb["h"]); |
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| 234 | |
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| 235 | $margin_top = $style->length_in_pt($style->margin_top, $cb["h"]); |
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| 236 | $margin_bottom = $style->length_in_pt($style->margin_bottom, $cb["h"]); |
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| 237 | |
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| 238 | if ( $style->position == "absolute" || $style->position == "fixed" ) { |
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| 239 | |
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| 240 | // see http://www.w3.org/TR/CSS21/visudet.html#abs-non-replaced-height |
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| 241 | |
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| 242 | $dims = array($top !== "auto" ? $top : 0, |
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| 243 | $style->margin_top !== "auto" ? $style->margin_top : 0, |
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| 244 | $style->padding_top, |
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| 245 | $style->border_top_width, |
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| 246 | $height !== "height" ? $height : 0, |
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| 247 | $style->border_bottom_width, |
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| 248 | $style->padding_bottom, |
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| 249 | $style->margin_bottom !== "auto" ? $style->margin_bottom : 0, |
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| 250 | $bottom !== "auto" ? $bottom : 0); |
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| 251 | |
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| 252 | $sum = $style->length_in_pt($dims, $cb["h"]); |
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| 253 | |
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| 254 | $diff = $cb["h"] - $sum; |
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| 255 | |
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| 256 | if ( $diff > 0 ) { |
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| 257 | |
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| 258 | if ( $height === "auto" && $top === "auto" && $bottom === "auto" ) { |
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| 259 | |
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| 260 | if ( $margin_top === "auto" ) |
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| 261 | $margin_top = 0; |
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| 262 | if ( $margin_bottom === "auto" ) |
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| 263 | $margin_bottom = 0; |
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| 264 | |
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| 265 | $height = $diff; |
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| 266 | |
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| 267 | } else if ( $height === "auto" && $top === "auto" ) { |
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| 268 | |
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| 269 | if ( $margin_top === "auto" ) |
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| 270 | $margin_top = 0; |
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| 271 | if ( $margin_bottom === "auto" ) |
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| 272 | $margin_bottom = 0; |
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| 273 | |
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| 274 | $height = $content_height; |
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| 275 | $top = $diff - $content_height; |
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| 276 | |
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| 277 | } else if ( $height === "auto" && $bottom === "auto" ) { |
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| 278 | |
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| 279 | if ( $margin_top === "auto" ) |
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| 280 | $margin_top = 0; |
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| 281 | if ( $margin_bottom === "auto" ) |
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| 282 | $margin_bottom = 0; |
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| 283 | |
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| 284 | $height = $content_height; |
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| 285 | $bottom = $diff - $content_height; |
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| 286 | |
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| 287 | } else if ( $top === "auto" && $bottom === "auto" ) { |
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| 288 | |
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| 289 | if ( $margin_top === "auto" ) |
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| 290 | $margin_top = 0; |
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| 291 | if ( $margin_bottom === "auto" ) |
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| 292 | $margin_bottom = 0; |
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| 293 | |
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| 294 | $bottom = $diff; |
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| 295 | |
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| 296 | } else if ( $top === "auto" ) { |
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| 297 | |
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| 298 | if ( $margin_top === "auto" ) |
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| 299 | $margin_top = 0; |
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| 300 | if ( $margin_bottom === "auto" ) |
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| 301 | $margin_bottom = 0; |
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| 302 | |
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| 303 | $top = $diff; |
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| 304 | |
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| 305 | } else if ( $height === "auto" ) { |
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| 306 | |
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| 307 | if ( $margin_top === "auto" ) |
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| 308 | $margin_top = 0; |
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| 309 | if ( $margin_bottom === "auto" ) |
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| 310 | $margin_bottom = 0; |
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| 311 | |
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| 312 | $height = $diff; |
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| 313 | |
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| 314 | } else if ( $bottom === "auto" ) { |
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| 315 | |
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| 316 | if ( $margin_top === "auto" ) |
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| 317 | $margin_top = 0; |
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| 318 | if ( $margin_bottom === "auto" ) |
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| 319 | $margin_bottom = 0; |
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| 320 | |
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| 321 | $bottom = $diff; |
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| 322 | |
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| 323 | } else { |
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| 324 | |
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| 325 | if ( $style->overflow === "visible" ) { |
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| 326 | |
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| 327 | // set all autos to zero |
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| 328 | if ( $margin_top === "auto" ) |
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| 329 | $margin_top = 0; |
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| 330 | if ( $margin_bottom === "auto" ) |
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| 331 | $margin_bottom = 0; |
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| 332 | if ( $top === "auto" ) |
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| 333 | $top = 0; |
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| 334 | if ( $bottom === "auto" ) |
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| 335 | $bottom = 0; |
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| 336 | if ( $height === "auto" ) |
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| 337 | $height = $content_height; |
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| 338 | |
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| 339 | } |
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| 340 | |
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| 341 | // FIXME: overflow hidden |
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| 342 | } |
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| 343 | |
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| 344 | } |
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| 345 | |
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| 346 | } else { |
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| 347 | |
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| 348 | // Expand the height if overflow is visible |
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| 349 | if ( $height == "auto" && $content_height > $height && $style->overflow === "visible" ) |
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| 350 | $height = $content_height; |
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| 351 | |
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| 352 | // FIXME: this should probably be moved to a seperate function as per |
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| 353 | // _calculate_restricted_width |
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| 354 | |
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| 355 | // Only handle min/max height if the height is independent of the frame's content |
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| 356 | if ( !($style->overflow === "visible" || |
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| 357 | ($style->overflow === "hidden" && $height === "auto")) ) { |
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| 358 | |
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| 359 | $min_height = $style->min_height; |
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| 360 | $max_height = $style->max_height; |
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| 361 | |
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| 362 | if ( isset($cb["h"]) ) { |
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| 363 | $min_height = $style->length_in_pt($min_height, $cb["h"]); |
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| 364 | $max_height = $style->length_in_pt($max_height, $cb["h"]); |
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| 365 | |
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| 366 | } else if ( isset($cb["w"]) ) { |
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| 367 | |
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| 368 | if ( mb_strpos($min_height, "%") !== false ) |
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| 369 | $min_height = 0; |
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| 370 | else |
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| 371 | $min_height = $style->length_in_pt($min_height, $cb["w"]); |
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| 372 | |
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| 373 | if ( mb_strpos($max_height, "%") !== false ) |
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| 374 | $max_height = "none"; |
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| 375 | else |
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| 376 | $max_height = $style->length_in_pt($max_height, $cb["w"]); |
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| 377 | } |
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| 378 | |
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| 379 | if ( $max_height !== "none" && $min_height > $max_height ) |
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| 380 | // Swap 'em |
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| 381 | list($max_height, $min_height) = array($min_height, $max_height); |
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| 382 | |
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| 383 | if ( $max_height !== "none" && $height > $max_height ) |
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| 384 | $height = $max_height; |
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| 385 | |
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| 386 | if ( $height < $min_height ) |
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| 387 | $height = $min_height; |
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| 388 | } |
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| 389 | |
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| 390 | } |
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| 391 | |
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| 392 | return array($height, $margin_top, $margin_bottom, $top, $bottom); |
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| 393 | |
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| 394 | } |
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| 395 | |
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| 396 | //........................................................................ |
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| 397 | |
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| 398 | protected function _text_align() { |
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| 399 | $style = $this->_frame->get_style(); |
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| 400 | $w = $this->_frame->get_containing_block("w"); |
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| 401 | $width = $style->length_in_pt($style->width, $w); |
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| 402 | |
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| 403 | // Adjust the justification of each of our lines. |
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| 404 | // http://www.w3.org/TR/CSS21/text.html#propdef-text-align |
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| 405 | switch ($style->text_align) { |
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| 406 | |
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| 407 | default: |
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| 408 | case "left": |
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| 409 | return; |
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| 410 | |
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| 411 | case "right": |
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| 412 | foreach ($this->_frame->get_lines() as $line) { |
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| 413 | |
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| 414 | // Move each child over by $dx |
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| 415 | $dx = $width - $line["w"]; |
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| 416 | foreach($line["frames"] as $frame) |
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| 417 | $frame->set_position( $frame->get_position("x") + $dx ); |
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| 418 | |
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| 419 | } |
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| 420 | break; |
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| 421 | |
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| 422 | |
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| 423 | case "justify": |
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| 424 | foreach ($this->_frame->get_lines() as $i => $line) { |
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| 425 | |
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| 426 | // Only set the spacing if the line is long enough. This is really |
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| 427 | // just an aesthetic choice ;) |
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| 428 | if ( $line["w"] > self::MIN_JUSTIFY_WIDTH * $width ) { |
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| 429 | // Set the spacing for each child |
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| 430 | if ( $line["wc"] > 1 ) |
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| 431 | $spacing = ($width - $line["w"]) / ($line["wc"] - 1); |
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| 432 | else |
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| 433 | $spacing = 0; |
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| 434 | |
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| 435 | $dx = 0; |
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| 436 | foreach($line["frames"] as $frame) { |
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| 437 | if ( !$frame instanceof Text_Frame_Decorator ) |
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| 438 | continue; |
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| 439 | |
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| 440 | $frame->set_position( $frame->get_position("x") + $dx ); |
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| 441 | $frame->set_text_spacing($spacing); |
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| 442 | $dx += mb_substr_count($frame->get_text(), " ") * $spacing; |
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| 443 | } |
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| 444 | |
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| 445 | // The line (should) now occupy the entire width |
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| 446 | $this->_frame->set_line($i, null, $width); |
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| 447 | |
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| 448 | } |
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| 449 | } |
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| 450 | break; |
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| 451 | |
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| 452 | case "center": |
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| 453 | case "centre": |
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| 454 | foreach ($this->_frame->get_lines() as $i => $line) { |
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| 455 | // Centre each line by moving each frame in the line by: |
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| 456 | $dx = ($width - $line["w"]) / 2; |
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| 457 | foreach ($line["frames"] as $frame) |
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| 458 | $frame->set_position( $frame->get_position("x") + $dx ); |
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| 459 | } |
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| 460 | break; |
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| 461 | } |
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| 462 | |
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| 463 | } |
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| 464 | /** |
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| 465 | * Align inline children vertically |
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| 466 | */ |
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| 467 | function vertical_align() { |
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| 468 | // Align each child vertically after each line is reflowed |
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| 469 | foreach ( $this->_frame->get_lines() as $i => $line ) { |
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| 470 | |
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| 471 | foreach ( $line["frames"] as $frame ) { |
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| 472 | $style = $frame->get_style(); |
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| 473 | |
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| 474 | if ( $style->display != "inline" && $style->display != "text" ) |
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| 475 | continue; |
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| 476 | |
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| 477 | $align = $style->vertical_align; |
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| 478 | |
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| 479 | $frame_h = $frame->get_margin_height(); |
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| 480 | |
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| 481 | switch ($align) { |
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| 482 | |
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| 483 | case "baseline": |
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| 484 | $y = $line["y"] + $line["h"] - $frame_h; |
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| 485 | break; |
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| 486 | |
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| 487 | case "middle": |
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| 488 | $y = $line["y"] + ($line["h"] + $frame_h) / 2; |
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| 489 | break; |
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| 490 | |
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| 491 | case "sub": |
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| 492 | $y = $line["y"] + 0.9 * $line["h"]; |
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| 493 | break; |
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| 494 | |
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| 495 | case "super": |
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| 496 | $y = $line["y"] + 0.1 * $line["h"]; |
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| 497 | break; |
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| 498 | |
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| 499 | case "text-top": |
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| 500 | case "top": // Not strictly accurate, but good enough for now |
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| 501 | $y = $line["y"]; |
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| 502 | break; |
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| 503 | |
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| 504 | case "text-bottom": |
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| 505 | case "bottom": |
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| 506 | $y = $line["y"] + $line["h"] - $frame_h; |
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| 507 | break; |
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| 508 | } |
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| 509 | |
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| 510 | $x = $frame->get_position("x"); |
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| 511 | $frame->set_position($x, $y); |
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| 512 | |
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| 513 | } |
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| 514 | } |
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| 515 | } |
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| 516 | |
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| 517 | //........................................................................ |
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| 518 | |
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| 519 | function reflow() { |
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| 520 | |
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| 521 | // Check if a page break is forced |
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| 522 | $page = $this->_frame->get_root(); |
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| 523 | $page->check_forced_page_break($this->_frame); |
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| 524 | |
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| 525 | // Bail if the page is full |
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| 526 | if ( $page->is_full() ) |
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| 527 | return; |
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| 528 | |
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| 529 | // Collapse margins if required |
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| 530 | $this->_collapse_margins(); |
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| 531 | |
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| 532 | $style = $this->_frame->get_style(); |
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| 533 | $cb = $this->_frame->get_containing_block(); |
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| 534 | |
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| 535 | // Determine the constraints imposed by this frame: calculate the width |
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| 536 | // of the content area: |
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| 537 | list($w, $left_margin, $right_margin, $left, $right) = $this->_calculate_restricted_width(); |
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| 538 | |
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| 539 | // Store the calculated properties |
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| 540 | $style->width = $w; |
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| 541 | $style->margin_left = $left_margin."pt"; |
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| 542 | $style->margin_right = $right_margin."pt"; |
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| 543 | $style->left = $left ."pt"; |
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| 544 | $style->right = $right . "pt"; |
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| 545 | |
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| 546 | // Update the position |
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| 547 | $this->_frame->position(); |
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| 548 | list($x, $y) = $this->_frame->get_position(); |
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| 549 | |
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| 550 | // Adjust the first line based on the text-indent property |
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| 551 | $indent = $style->length_in_pt($style->text_indent, $cb["w"]); |
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| 552 | $this->_frame->increase_line_width($indent); |
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| 553 | |
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| 554 | // Determine the content edge |
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| 555 | $top = $style->length_in_pt(array($style->margin_top, |
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| 556 | $style->padding_top, |
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| 557 | $style->border_top_width), $cb["h"]); |
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| 558 | |
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| 559 | $bottom = $style->length_in_pt(array($style->border_bottom_width, |
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| 560 | $style->margin_bottom, |
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| 561 | $style->padding_bottom), $cb["h"]); |
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| 562 | |
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| 563 | $cb_x = $x + $left_margin + |
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| 564 | $style->length_in_pt($style->border_left_width, $cb["w"]) + |
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| 565 | $style->length_in_pt($style->padding_left, $cb["w"]); |
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| 566 | |
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| 567 | $cb_y = $line_y = $y + $top; |
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| 568 | |
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| 569 | $cb_h = ($cb["h"] + $cb["y"]) - $bottom - $cb_y; |
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| 570 | |
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| 571 | // Set the y position of the first line in this block |
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| 572 | $this->_frame->set_current_line($line_y); |
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| 573 | |
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| 574 | // Set the containing blocks and reflow each child |
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| 575 | foreach ( $this->_frame->get_children() as $child ) { |
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| 576 | |
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| 577 | // Bail out if the page is full |
---|
| 578 | if ( $page->is_full() ) |
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| 579 | break; |
---|
| 580 | |
---|
| 581 | $child->set_containing_block($cb_x, $cb_y, $w, $cb_h); |
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| 582 | $child->reflow(); |
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| 583 | |
---|
| 584 | // Don't add the child to the line if a page break has occurred |
---|
| 585 | if ( $page->check_page_break($child) ) |
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| 586 | break; |
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| 587 | |
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| 588 | // If the frame is not absolutely positioned, It's okay to add the frame |
---|
| 589 | // to the line |
---|
| 590 | if ( $child->get_style()->position != "absolute" && |
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| 591 | $child->get_style()->position != "fixed" ) { |
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| 592 | $this->_frame->add_frame_to_line( $child ); |
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| 593 | } |
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| 594 | } |
---|
| 595 | |
---|
| 596 | // Determine our height |
---|
| 597 | list($height, $margin_top, $margin_bottom, $top, $bottom) = $this->_calculate_restricted_height(); |
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| 598 | $style->height = $height; |
---|
| 599 | $style->margin_top = $margin_top; |
---|
| 600 | $style->margin_bottom = $margin_bottom; |
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| 601 | $style->top = $top; |
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| 602 | $style->bottom = $bottom; |
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| 603 | |
---|
| 604 | $this->_text_align(); |
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| 605 | |
---|
| 606 | $this->vertical_align(); |
---|
| 607 | } |
---|
| 608 | |
---|
| 609 | //........................................................................ |
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| 610 | |
---|
| 611 | } |
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| 612 | ?> |
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