ailloli_ui_core/style/
opacity.rs

1//! Widget-level opacity multipliers.
2
3/// Widget opacity multiplier (`0.0` = transparent, `1.0` = opaque).
4///
5/// The tuple field is public for low-level construction; use [`Self::new`] to
6/// clamp ordinary finite values.
7///
8/// # Examples
9///
10/// ```
11/// use ailloli_ui_core::style::Opacity;
12/// assert_eq!(Opacity::new(1.5), Opacity(1.0));
13/// ```
14#[derive(Debug, Clone, Copy, PartialEq)]
15pub struct Opacity(pub f32);
16
17impl Default for Opacity {
18    fn default() -> Self {
19        Self(1.0)
20    }
21}
22
23impl Opacity {
24    /// Clamps a finite multiplier to `0.0..=1.0`.
25    ///
26    /// NaN remains NaN under floating-point clamp semantics.
27    ///
28    /// # Examples
29    ///
30    /// ```
31    /// use ailloli_ui_core::style::Opacity;
32    /// assert_eq!(Opacity::new(-1.0), Opacity(0.0));
33    /// ```
34    pub fn new(value: f32) -> Self {
35        Self(value.clamp(0.0, 1.0))
36    }
37}
ailloli_ui_core/style/opacity.rs

ailloli_ui_core/style/
opacity.rs
