blob: a88b33258c1c9bdec899568bfe24dc546cf7c87b (
plain)
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
|
/*
* Copyright (c) 2023, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/URL.h>
#include <AK/Variant.h>
#include <LibWeb/CSS/Length.h>
namespace Web::HTML {
// https://html.spec.whatwg.org/multipage/images.html#image-source
struct ImageSource {
struct PixelDensityDescriptorValue {
float value { 0 };
};
struct WidthDescriptorValue {
CSSPixels value { 0 };
};
String url;
Variant<Empty, PixelDensityDescriptorValue, WidthDescriptorValue> descriptor;
};
struct ImageSourceAndPixelDensity {
ImageSource source;
float pixel_density { 1.0f };
};
// https://html.spec.whatwg.org/multipage/images.html#source-set
struct SourceSet {
static SourceSet create(DOM::Document const&, String default_source, String srcset, String sizes);
[[nodiscard]] bool is_empty() const;
// https://html.spec.whatwg.org/multipage/images.html#select-an-image-source-from-a-source-set
[[nodiscard]] ImageSourceAndPixelDensity select_an_image_source();
// https://html.spec.whatwg.org/multipage/images.html#normalise-the-source-densities
void normalize_source_densities();
SourceSet();
Vector<ImageSource> m_sources;
CSS::Length m_source_size;
};
SourceSet parse_a_srcset_attribute(StringView);
CSS::Length parse_a_sizes_attribute(DOM::Document const&, StringView);
}
|
