mirui 0.1.0

A lightweight, no_std ECS-driven UI framework for embedded, 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

#[derive(Clone, Copy, Debug, PartialEq, Eq)]
pub struct Point {
    pub x: i32,
    pub y: i32,
}

#[derive(Clone, Copy, Debug, PartialEq, Eq)]
pub struct Rect {
    pub x: i32,
    pub y: i32,
    pub w: u16,
    pub h: u16,
}

impl Rect {
    pub fn intersect(&self, other: &Rect) -> Option<Rect> {
        let x1 = self.x.max(other.x);
        let y1 = self.y.max(other.y);
        let x2 = (self.x + self.w as i32).min(other.x + other.w as i32);
        let y2 = (self.y + self.h as i32).min(other.y + other.h as i32);
        if x1 < x2 && y1 < y2 {
            Some(Rect {
                x: x1,
                y: y1,
                w: (x2 - x1) as u16,
                h: (y2 - y1) as u16,
            })
        } else {
            None
        }
    }
}

#[derive(Clone, Copy, Debug, PartialEq, Eq)]
pub struct Color {
    pub r: u8,
    pub g: u8,
    pub b: u8,
    pub a: u8,
}

impl Color {
    pub const fn rgba(r: u8, g: u8, b: u8, a: u8) -> Self {
        Self { r, g, b, a }
    }

    pub const fn rgb(r: u8, g: u8, b: u8) -> Self {
        Self { r, g, b, a: 255 }
    }
}

pub type Opa = u8;