mirui 0.46.3

A lightweight, no_std ECS-driven UI framework for embedded, mobile, desktop, and WebAssembly
Documentation 
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

//! Built-in vector icon assets with a 24×24 view box.

use crate::render::path::Path;
use mirui_macros::path;

#[derive(Clone, Copy, Debug)]
pub struct IconAsset {
    path: &'static Path,
}

impl IconAsset {
    pub const VIEWBOX: i32 = 24;

    pub const fn new(path: &'static Path) -> Self {
        Self { path }
    }

    pub const fn path(self) -> &'static Path {
        self.path
    }
}

impl From<IconAsset> for Path {
    fn from(asset: IconAsset) -> Self {
        asset.path.clone()
    }
}

// Navigation / state
static HOME_PATH: Path =
    path!(M 4 12 L 12 4 L 20 12 L 20 20 L 14 20 L 14 14 L 10 14 L 10 20 L 4 20 Z);
static CHECK_PATH: Path = path!(M 4 12 L 10 18 L 20 6 L 18 4 L 10 14 L 6 10 Z);
static CROSS_PATH: Path = path!(M 6 4 L 12 10 L 18 4 L 20 6 L 14 12 L 20 18 L 18 20 L 12 14 L 6 20 L 4 18 L 10 12 L 4 6 Z);
static PLUS_PATH: Path = path!(M 11 4 L 13 4 L 13 11 L 20 11 L 20 13 L 13 13 L 13 20 L 11 20 L 11 13 L 4 13 L 4 11 L 11 11 Z);
static MINUS_PATH: Path = path!(M 4 11 L 20 11 L 20 13 L 4 13 Z);

// Direction arrows (stem + head, single closed contour)
static ARROW_RIGHT_PATH: Path = path!(M 4 11 L 14 11 L 14 6 L 22 12 L 14 18 L 14 13 L 4 13 Z);
static ARROW_LEFT_PATH: Path = path!(M 20 11 L 10 11 L 10 6 L 2 12 L 10 18 L 10 13 L 20 13 Z);
static ARROW_UP_PATH: Path = path!(M 11 20 L 11 10 L 6 10 L 12 2 L 18 10 L 13 10 L 13 20 Z);
static ARROW_DOWN_PATH: Path = path!(M 11 4 L 11 14 L 6 14 L 12 22 L 18 14 L 13 14 L 13 4 Z);

// Chevrons (thick V shape)
static CHEVRON_RIGHT_PATH: Path = path!(M 8 4 L 16 12 L 8 20 L 6 18 L 12 12 L 6 6 Z);
static CHEVRON_LEFT_PATH: Path = path!(M 16 4 L 8 12 L 16 20 L 18 18 L 12 12 L 18 6 Z);
static CHEVRON_UP_PATH: Path = path!(M 4 16 L 12 8 L 20 16 L 18 18 L 12 12 L 6 18 Z);
static CHEVRON_DOWN_PATH: Path = path!(M 4 8 L 12 16 L 20 8 L 18 6 L 12 12 L 6 6 Z);

// 5-point star — vertices precomputed at 18° increments, alternating
// outer r=8 and inner r=3.4 from center (12,12). Even-odd fill picks
// the star body, not the interior pentagram.
static STAR_PATH: Path =
    path!(M 12 4 L 13 9 L 18 9 L 14 12 L 16 17 L 12 14 L 8 17 L 10 12 L 6 9 L 11 9 Z);

// Heart — two A-arc humps + V point. Arcs use ≤90° per the path!
// macro's cubic-bezier approximation.
static HEART_PATH: Path = path!(M 12 20 L 4 12 A 4 4 0 0 1 12 8 A 4 4 0 0 1 20 12 Z);

// Media controls
static PLAY_PATH: Path = path!(M 7 4 L 7 20 L 20 12 Z);
static PAUSE_PATH: Path = path!(M 6 4 L 10 4 L 10 20 L 6 20 Z M 14 4 L 18 4 L 18 20 L 14 20 Z);
static STOP_PATH: Path = path!(M 5 5 L 19 5 L 19 19 L 5 19 Z);

// Primitive shapes (useful as bullets / placeholders)
static CIRCLE_PATH: Path = path!(M 4 12 A 8 8 0 1 0 20 12 A 8 8 0 1 0 4 12 Z);
static SQUARE_PATH: Path = path!(M 5 5 L 19 5 L 19 19 L 5 19 Z);

pub const ICON_HOME: IconAsset = IconAsset::new(&HOME_PATH);
pub const ICON_CHECK: IconAsset = IconAsset::new(&CHECK_PATH);
pub const ICON_CROSS: IconAsset = IconAsset::new(&CROSS_PATH);
pub const ICON_PLUS: IconAsset = IconAsset::new(&PLUS_PATH);
pub const ICON_MINUS: IconAsset = IconAsset::new(&MINUS_PATH);
pub const ICON_ARROW_RIGHT: IconAsset = IconAsset::new(&ARROW_RIGHT_PATH);
pub const ICON_ARROW_LEFT: IconAsset = IconAsset::new(&ARROW_LEFT_PATH);
pub const ICON_ARROW_UP: IconAsset = IconAsset::new(&ARROW_UP_PATH);
pub const ICON_ARROW_DOWN: IconAsset = IconAsset::new(&ARROW_DOWN_PATH);
pub const ICON_CHEVRON_RIGHT: IconAsset = IconAsset::new(&CHEVRON_RIGHT_PATH);
pub const ICON_CHEVRON_LEFT: IconAsset = IconAsset::new(&CHEVRON_LEFT_PATH);
pub const ICON_CHEVRON_UP: IconAsset = IconAsset::new(&CHEVRON_UP_PATH);
pub const ICON_CHEVRON_DOWN: IconAsset = IconAsset::new(&CHEVRON_DOWN_PATH);
pub const ICON_STAR: IconAsset = IconAsset::new(&STAR_PATH);
pub const ICON_HEART: IconAsset = IconAsset::new(&HEART_PATH);
pub const ICON_PLAY: IconAsset = IconAsset::new(&PLAY_PATH);
pub const ICON_PAUSE: IconAsset = IconAsset::new(&PAUSE_PATH);
pub const ICON_STOP: IconAsset = IconAsset::new(&STOP_PATH);
pub const ICON_CIRCLE: IconAsset = IconAsset::new(&CIRCLE_PATH);
pub const ICON_SQUARE: IconAsset = IconAsset::new(&SQUARE_PATH);

#[cfg(test)]
mod tests {
    use super::*;
    use crate::render::path::PathCmd;

    fn all_icons() -> [IconAsset; 20] {
        [
            ICON_HOME,
            ICON_CHECK,
            ICON_CROSS,
            ICON_PLUS,
            ICON_MINUS,
            ICON_ARROW_RIGHT,
            ICON_ARROW_LEFT,
            ICON_ARROW_UP,
            ICON_ARROW_DOWN,
            ICON_CHEVRON_RIGHT,
            ICON_CHEVRON_LEFT,
            ICON_CHEVRON_UP,
            ICON_CHEVRON_DOWN,
            ICON_STAR,
            ICON_HEART,
            ICON_PLAY,
            ICON_PAUSE,
            ICON_STOP,
            ICON_CIRCLE,
            ICON_SQUARE,
        ]
    }

    #[test]
    fn icon_set_has_twenty_icons() {
        assert_eq!(all_icons().len(), 20);
    }

    #[test]
    fn icon_asset_converts_to_a_borrowed_path() {
        let path = Path::from(ICON_HOME);
        assert!(path.is_borrowed());
        assert_eq!(IconAsset::VIEWBOX, 24);
    }

    #[test]
    fn every_icon_starts_with_moveto_and_is_closed() {
        for (i, icon) in all_icons().iter().enumerate() {
            let icon = icon.path();
            assert!(!icon.cmds.is_empty(), "icon {i} empty");
            assert!(
                matches!(icon.cmds[0], PathCmd::MoveTo(_)),
                "icon {i} missing MoveTo at index 0",
            );
            assert!(
                icon.cmds.iter().any(|c| matches!(c, PathCmd::Close)),
                "icon {i} missing Close",
            );
        }
    }
}