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
|
/*
* Copyright (c) 2020, Matthew Olsson <matthewcolsson@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibGfx/AntiAliasingPainter.h>
#include <LibGfx/Painter.h>
#include <LibWeb/Layout/SVGPathBox.h>
#include <LibWeb/SVG/SVGPathElement.h>
namespace Web::Layout {
SVGPathBox::SVGPathBox(DOM::Document& document, SVG::SVGPathElement& element, NonnullRefPtr<CSS::StyleProperties> properties)
: SVGGraphicsBox(document, element, properties)
{
}
void SVGPathBox::prepare_for_replaced_layout()
{
auto& bounding_box = dom_node().get_path().bounding_box();
set_has_intrinsic_width(true);
set_has_intrinsic_height(true);
set_intrinsic_width(bounding_box.width());
set_intrinsic_height(bounding_box.height());
// FIXME: This does not belong here! Someone at a higher level should place this box.
set_offset(bounding_box.top_left());
}
void SVGPathBox::paint(PaintContext& context, PaintPhase phase)
{
if (!is_visible())
return;
SVGGraphicsBox::paint(context, phase);
if (phase != PaintPhase::Foreground)
return;
auto& path_element = dom_node();
auto& path = path_element.get_path();
// We need to fill the path before applying the stroke, however the filled
// path must be closed, whereas the stroke path may not necessary be closed.
// Copy the path and close it for filling, but use the previous path for stroke
auto closed_path = path;
closed_path.close();
// Fills are computed as though all paths are closed (https://svgwg.org/svg2-draft/painting.html#FillProperties)
Gfx::AntiAliasingPainter painter { context.painter() };
auto& svg_context = context.svg_context();
auto offset = absolute_position() - effective_offset();
painter.translate(offset);
painter.fill_path(
closed_path,
path_element.fill_color().value_or(svg_context.fill_color()),
Gfx::Painter::WindingRule::EvenOdd);
painter.stroke_path(
path,
path_element.stroke_color().value_or(svg_context.stroke_color()),
path_element.stroke_width().value_or(svg_context.stroke_width()));
painter.translate(-offset);
}
}
|
