absolute_positioner.cls.php
2.66 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
<?php
/**
* DOMPDF - PHP5 HTML to PDF renderer
*
* File: $RCSfile: absolute_positioner.cls.php,v $
* Created on: 2004-06-08
*
* Copyright (c) 2004 - Benj Carson <benjcarson@digitaljunkies.ca>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library in the file LICENSE.LGPL; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
* 02111-1307 USA
*
* Alternatively, you may distribute this software under the terms of the
* PHP License, version 3.0 or later. A copy of this license should have
* been distributed with this file in the file LICENSE.PHP . If this is not
* the case, you can obtain a copy at http://www.php.net/license/3_0.txt.
*
* The latest version of DOMPDF might be available at:
* http://www.dompdf.com/
*
* @link http://www.dompdf.com/
* @copyright 2004 Benj Carson
* @author Benj Carson <benjcarson@digitaljunkies.ca>
* @package dompdf
*/
/* $Id */
/**
* Positions absolutly positioned frames
*/
class Absolute_Positioner extends Positioner {
function __construct(Frame_Decorator $frame) { parent::__construct($frame); }
function position() {
$frame = $this->_frame;
$style = $frame->get_style();
$cb = $frame->get_containing_block();
$top = $style->length_in_pt($style->top, $cb["h"]);
$right = $style->length_in_pt($style->right, $cb["w"]);
$bottom = $style->length_in_pt($style->bottom, $cb["h"]);
$left = $style->length_in_pt($style->left, $cb["w"]);
$p = $frame->find_positionned_parent();
if ( $p ) {
// Get the parent's padding box (see http://www.w3.org/TR/CSS21/visuren.html#propdef-top)
list($x, $y, $w, $h) = $p->get_padding_box();
} else {
$x = $cb["x"];
$y = $cb["y"];
}
if ( $top !== "auto" ) {
$y += $top;
} else if ( $bottom !== "auto" ) {
// FIXME: need to know this frame's height before we can do this correctly
}
if ( $left !== "auto" ) {
$x += $left;
} else if ( $right !== "auto" ) {
// FIXME: need to know this frame's width before we can do this correctly
}
$frame->set_position($x, $y);
}
}