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
86
87
88
89
90
91
92
93
94
95
|
<?php /** * @package dompdf * @link http://dompdf.github.com/ * @author Benj Carson <benjcarson@digitaljunkies.ca> * @author Fabien Ménager <fabien.menager@gmail.com> * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License */
namespace Dompdf\Positioner;
use Dompdf\FrameDecorator\AbstractFrameDecorator;
/** * Positions fixely positioned frames */ class Fixed extends AbstractPositioner {
function __construct(AbstractFrameDecorator $frame) { parent::__construct($frame); }
function position() {
$frame = $this->_frame; $style = $frame->get_original_style(); $root = $frame->get_root(); $initialcb = $root->get_containing_block(); $initialcb_style = $root->get_style();
$p = $frame->find_block_parent(); if ($p) { $p->add_line(); }
// Compute the margins of the @page style $margin_top = $initialcb_style->length_in_pt($initialcb_style->margin_top, $initialcb["h"]); $margin_right = $initialcb_style->length_in_pt($initialcb_style->margin_right, $initialcb["w"]); $margin_bottom = $initialcb_style->length_in_pt($initialcb_style->margin_bottom, $initialcb["h"]); $margin_left = $initialcb_style->length_in_pt($initialcb_style->margin_left, $initialcb["w"]);
// The needed computed style of the element $height = $style->length_in_pt($style->height, $initialcb["h"]); $width = $style->length_in_pt($style->width, $initialcb["w"]);
$top = $style->length_in_pt($style->top, $initialcb["h"]); $right = $style->length_in_pt($style->right, $initialcb["w"]); $bottom = $style->length_in_pt($style->bottom, $initialcb["h"]); $left = $style->length_in_pt($style->left, $initialcb["w"]);
$y = $margin_top; if (isset($top)) { $y = $top + $margin_top; if ($top === "auto") { $y = $margin_top; if (isset($bottom) && $bottom !== "auto") { $y = $initialcb["h"] - $bottom - $margin_bottom; $margin_height = $this->_frame->get_margin_height(); if ($margin_height !== "auto") { $y -= $margin_height; } else { $y -= $height; } } } }
$x = $margin_left; if (isset($left)) { $x = $left + $margin_left; if ($left === "auto") { $x = $margin_left; if (isset($right) && $right !== "auto") { $x = $initialcb["w"] - $right - $margin_right; $margin_width = $this->_frame->get_margin_width(); if ($margin_width !== "auto") { $x -= $margin_width; } else { $x -= $width; } } } }
$frame->set_position($x, $y);
$children = $frame->get_children(); foreach ($children as $child) { $child->set_position($x, $y); } } }
|