block_renderer.cls.php
5.41 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
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
<?php
/**
* @package dompdf
* @link http://www.dompdf.com/
* @author Benj Carson <benjcarson@digitaljunkies.ca>
* @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
* @version $Id: block_renderer.cls.php 448 2011-11-13 13:00:03Z fabien.menager $
*/
/**
* Renders block frames
*
* @access private
* @package dompdf
*/
class Block_Renderer extends Abstract_Renderer {
//........................................................................
function render(Frame $frame) {
$style = $frame->get_style();
list($x, $y, $w, $h) = $frame->get_border_box();
$this->_set_opacity( $frame->get_opacity( $style->opacity ) );
if ( $frame->get_node()->nodeName === "body" ) {
$h = $frame->get_containing_block("h") - $style->length_in_pt(array(
$style->margin_top,
$style->padding_top,
$style->border_top_width,
$style->border_bottom_width,
$style->padding_bottom,
$style->margin_bottom),
$style->width);
}
// Draw our background, border and content
if ( ($bg = $style->background_color) !== "transparent" ) {
$this->_canvas->filled_rectangle( $x, $y, $w, $h, $bg );
}
if ( ($url = $style->background_image) && $url !== "none" )
$this->_background_image($url, $x, $y, $w, $h, $style);
$this->_render_border($frame);
$this->_render_outline($frame);
if (DEBUG_LAYOUT && DEBUG_LAYOUT_BLOCKS) {
$this->_debug_layout($frame->get_border_box(), "red");
if (DEBUG_LAYOUT_PADDINGBOX) {
$this->_debug_layout($frame->get_padding_box(), "red", array(0.5, 0.5));
}
}
if (DEBUG_LAYOUT && DEBUG_LAYOUT_LINES && $frame->get_decorator()) {
foreach ($frame->get_decorator()->get_line_boxes() as $line) {
$frame->_debug_layout(array($line->x, $line->y, $line->w, $line->h), "orange");
}
}
}
protected function _render_border(Frame_Decorator $frame, $corner_style = "bevel") {
$style = $frame->get_style();
$bbox = $frame->get_border_box();
$bp = $style->get_border_properties();
// If all the borders are "solid" with the same color and style, we'd better draw a rectangle
if (
in_array($bp["top"]["style"], array("solid", "dashed", "dotted")) &&
$bp["top"] == $bp["right"] &&
$bp["right"] == $bp["bottom"] &&
$bp["bottom"] == $bp["left"]
) {
$props = $bp["top"];
if ( $props["color"] === "transparent" || $props["width"] <= 0 ) return;
list($x, $y, $w, $h) = $bbox;
$width = $style->length_in_pt($props["width"]);
$pattern = $this->_get_dash_pattern($props["style"], $width);
$this->_canvas->rectangle($x + $width / 2, $y + $width / 2, $w - $width, $h - $width, $props["color"], $width, $pattern);
return;
}
$widths = array($style->length_in_pt($bp["top"]["width"]),
$style->length_in_pt($bp["right"]["width"]),
$style->length_in_pt($bp["bottom"]["width"]),
$style->length_in_pt($bp["left"]["width"]));
foreach ($bp as $side => $props) {
list($x, $y, $w, $h) = $bbox;
if ( !$props["style"] ||
$props["style"] === "none" ||
$props["width"] <= 0 ||
$props["color"] == "transparent" )
continue;
switch($side) {
case "top":
$length = $w;
break;
case "bottom":
$length = $w;
$y += $h;
break;
case "left":
$length = $h;
break;
case "right":
$length = $h;
$x += $w;
break;
default:
break;
}
$method = "_border_" . $props["style"];
$this->$method($x, $y, $length, $props["color"], $widths, $side, $corner_style);
}
}
protected function _render_outline(Frame_Decorator $frame, $corner_style = "bevel") {
$style = $frame->get_style();
$props = array(
"width" => $style->outline_width,
"style" => $style->outline_style,
"color" => $style->outline_color,
);
if ( !$props["style"] || $props["style"] === "none" || $props["width"] <= 0 )
return;
$bbox = $frame->get_border_box();
$offset = $style->length_in_pt($props["width"]);
$pattern = $this->_get_dash_pattern($props["style"], $offset);
// If the outline style is "solid" we'd better draw a rectangle
if ( in_array($props["style"], array("solid", "dashed", "dotted")) ) {
$bbox[0] -= $offset / 2;
$bbox[1] -= $offset / 2;
$bbox[2] += $offset;
$bbox[3] += $offset;
list($x, $y, $w, $h) = $bbox;
$this->_canvas->rectangle($x, $y, $w, $h, $props["color"], $offset, $pattern);
return;
}
$bbox[0] -= $offset;
$bbox[1] -= $offset;
$bbox[2] += $offset * 2;
$bbox[3] += $offset * 2;
$method = "_border_" . $props["style"];
$widths = array_fill(0, 4, $props["width"]);
$sides = array("top", "right", "left", "bottom");
foreach ($sides as $side) {
list($x, $y, $w, $h) = $bbox;
switch($side) {
case "top":
$length = $w;
break;
case "bottom":
$length = $w;
$y += $h;
break;
case "left":
$length = $h;
break;
case "right":
$length = $h;
$x += $w;
break;
default:
break;
}
$this->$method($x, $y, $length, $props["color"], $widths, $side, $corner_style);
}
}
}