117 lines
3.9 KiB
PHP
Executable File
117 lines
3.9 KiB
PHP
Executable File
<?php
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/**
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* DOMPDF - PHP5 HTML to PDF renderer
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*
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* File: $RCSfile: absolute_positioner.cls.php,v $
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* Created on: 2004-06-08
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*
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* Copyright (c) 2004 - Benj Carson <benjcarson@digitaljunkies.ca>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library in the file LICENSE.LGPL; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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* 02111-1307 USA
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*
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* Alternatively, you may distribute this software under the terms of the
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* PHP License, version 3.0 or later. A copy of this license should have
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* been distributed with this file in the file LICENSE.PHP . If this is not
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* the case, you can obtain a copy at http://www.php.net/license/3_0.txt.
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*
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* The latest version of DOMPDF might be available at:
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* http://www.dompdf.com/
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*
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* @link http://www.dompdf.com/
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* @copyright 2004 Benj Carson
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* @author Benj Carson <benjcarson@digitaljunkies.ca>
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* @package dompdf
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*/
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/* $Id */
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/**
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* Positions fixely positioned frames
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*/
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class Fixed_Positioner extends Positioner {
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function __construct(Frame_Decorator $frame) { parent::__construct($frame); }
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function position() {
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$frame = $this->_frame;
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$style = $frame->get_original_style();
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$root = $frame->get_root();
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$initialcb = $root->get_containing_block();
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$initialcb_style = $root->get_style();
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$p = $frame->find_block_parent();
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if ( $p ) {
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$p->add_line();
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}
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// Compute the margins of the @page style
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$margin_top = $initialcb_style->length_in_pt($initialcb_style->margin_top, $initialcb["h"]);
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$margin_right = $initialcb_style->length_in_pt($initialcb_style->margin_right, $initialcb["w"]);
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$margin_bottom = $initialcb_style->length_in_pt($initialcb_style->margin_bottom, $initialcb["h"]);
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$margin_left = $initialcb_style->length_in_pt($initialcb_style->margin_left, $initialcb["w"]);
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// The needed computed style of the element
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$height = $style->length_in_pt($style->height, $initialcb["h"]);
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$width = $style->length_in_pt($style->width, $initialcb["w"]);
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$top = $style->length_in_pt($style->top, $initialcb["h"]);
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$right = $style->length_in_pt($style->right, $initialcb["w"]);
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$bottom = $style->length_in_pt($style->bottom, $initialcb["h"]);
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$left = $style->length_in_pt($style->left, $initialcb["w"]);
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$y = $margin_top;
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if ( isset($top) ) {
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$y = $top + $margin_top;
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if ( $top === "auto" ) {
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$y = $margin_top;
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if ( isset($bottom) && $bottom !== "auto" ) {
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$y = $initialcb["h"] - $bottom - $margin_bottom;
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$margin_height = $this->_frame->get_margin_height();
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if ( $margin_height !== "auto" ) {
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$y -= $margin_height;
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} else {
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$y -= $height;
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}
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}
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}
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}
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$x = $margin_left;
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if ( isset($left) ) {
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$x = $left + $margin_left;
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if ( $left === "auto" ) {
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$x = $margin_left;
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if ( isset($right) && $right !== "auto" ) {
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$x = $initialcb["w"] - $right - $margin_right;
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$margin_width = $this->_frame->get_margin_width();
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if ( $margin_width !== "auto" ) {
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$x -= $margin_width;
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} else {
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$x -= $width;
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}
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}
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}
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}
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$frame->set_position($x, $y);
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$children = $frame->get_children();
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foreach($children as $child) {
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$child->set_position($x, $y);
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}
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}
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} |