/src/serenity/Userland/Libraries/LibWeb/Painting/BorderRadiiData.h
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1 | | /* |
2 | | * Copyright (c) 2020, Andreas Kling <kling@serenityos.org> |
3 | | * Copyright (c) 2021-2023, Sam Atkins <atkinssj@serenityos.org> |
4 | | * |
5 | | * SPDX-License-Identifier: BSD-2-Clause |
6 | | */ |
7 | | |
8 | | #pragma once |
9 | | |
10 | | #include <LibGfx/AntiAliasingPainter.h> |
11 | | #include <LibGfx/Forward.h> |
12 | | #include <LibWeb/CSS/ComputedValues.h> |
13 | | |
14 | | namespace Web::Painting { |
15 | | |
16 | | struct BorderRadiusData { |
17 | | CSSPixels horizontal_radius { 0 }; |
18 | | CSSPixels vertical_radius { 0 }; |
19 | | |
20 | | Gfx::CornerRadius as_corner(PaintContext const& context) const; |
21 | | |
22 | | inline operator bool() const |
23 | 0 | { |
24 | 0 | return horizontal_radius > 0 && vertical_radius > 0; |
25 | 0 | } |
26 | | |
27 | | inline void shrink(CSSPixels horizontal, CSSPixels vertical) |
28 | 0 | { |
29 | 0 | if (horizontal_radius != 0) |
30 | 0 | horizontal_radius = max(CSSPixels(0), horizontal_radius - horizontal); |
31 | 0 | if (vertical_radius != 0) |
32 | 0 | vertical_radius = max(CSSPixels(0), vertical_radius - vertical); |
33 | 0 | } |
34 | | |
35 | | inline void union_max_radii(BorderRadiusData const& other) |
36 | 0 | { |
37 | 0 | horizontal_radius = max(horizontal_radius, other.horizontal_radius); |
38 | 0 | vertical_radius = max(vertical_radius, other.vertical_radius); |
39 | 0 | } |
40 | | }; |
41 | | |
42 | | using CornerRadius = Gfx::CornerRadius; |
43 | | |
44 | | struct CornerRadii { |
45 | | CornerRadius top_left; |
46 | | CornerRadius top_right; |
47 | | CornerRadius bottom_right; |
48 | | CornerRadius bottom_left; |
49 | | |
50 | | inline bool has_any_radius() const |
51 | 0 | { |
52 | 0 | return top_left || top_right || bottom_right || bottom_left; |
53 | 0 | } |
54 | | }; |
55 | | |
56 | | struct BorderRadiiData { |
57 | | BorderRadiusData top_left; |
58 | | BorderRadiusData top_right; |
59 | | BorderRadiusData bottom_right; |
60 | | BorderRadiusData bottom_left; |
61 | | |
62 | | inline bool has_any_radius() const |
63 | 0 | { |
64 | 0 | return top_left || top_right || bottom_right || bottom_left; |
65 | 0 | } |
66 | | |
67 | | inline void union_max_radii(BorderRadiiData const& other) |
68 | 0 | { |
69 | 0 | top_left.union_max_radii(other.top_left); |
70 | 0 | top_right.union_max_radii(other.top_right); |
71 | 0 | bottom_right.union_max_radii(other.bottom_right); |
72 | 0 | bottom_left.union_max_radii(other.bottom_left); |
73 | 0 | } |
74 | | |
75 | | inline void shrink(CSSPixels top, CSSPixels right, CSSPixels bottom, CSSPixels left) |
76 | 0 | { |
77 | 0 | top_left.shrink(left, top); |
78 | 0 | top_right.shrink(right, top); |
79 | 0 | bottom_right.shrink(right, bottom); |
80 | 0 | bottom_left.shrink(left, bottom); |
81 | 0 | } |
82 | | |
83 | | inline void inflate(CSSPixels top, CSSPixels right, CSSPixels bottom, CSSPixels left) |
84 | 0 | { |
85 | 0 | shrink(-top, -right, -bottom, -left); |
86 | 0 | } |
87 | | |
88 | | inline CornerRadii as_corners(PaintContext const& context) const |
89 | 0 | { |
90 | 0 | return CornerRadii { |
91 | 0 | top_left.as_corner(context), |
92 | 0 | top_right.as_corner(context), |
93 | 0 | bottom_right.as_corner(context), |
94 | 0 | bottom_left.as_corner(context) |
95 | 0 | }; |
96 | 0 | } |
97 | | }; |
98 | | |
99 | | } |