ferroui_base/animation/animators/
box_shadows_animator.rs

1use crate::animation::animators::BoxShadowAnimator;
2use crate::media::BoxShadows;
3use crate::animation::animators::{Animator, AnimatorBase};
4
5/// Animator that interpolates [`BoxShadows`] properties.
6#[derive(Default)]
7pub struct BoxShadowsAnimator {
8    base: AnimatorBase,
9}
10
11impl BoxShadowsAnimator {
12    pub fn new() -> Self {
13        Self::default()
14    }
15
16    /// Interpolates between two values using the specified progress.
17    pub fn interpolate_core(progress: f64, old_value: &BoxShadows, new_value: &BoxShadows) -> BoxShadows {
18        let cnt = if progress >= 1.0 { new_value.count() } else { old_value.count() };
19        if cnt == 0 {
20            return BoxShadows::default();
21        }
22
23        let first = if old_value.count() > 0 && new_value.count() > 0 {
24            BoxShadowAnimator::interpolate_core(progress, &old_value.get(0), &new_value.get(0))
25        } else if old_value.count() > 0 {
26            old_value.get(0)
27        } else {
28            new_value.get(0)
29        };
30
31        if cnt == 1 {
32            return BoxShadows::new(first);
33        }
34
35        let mut rest = Vec::with_capacity(cnt - 1);
36        for c in 0..cnt - 1 {
37            let idx = c + 1;
38            rest.push(if old_value.count() > idx && new_value.count() > idx {
39                BoxShadowAnimator::interpolate_core(progress, &old_value.get(idx), &new_value.get(idx))
40            } else if old_value.count() > idx {
41                old_value.get(idx)
42            } else {
43                new_value.get(idx)
44            });
45        }
46
47        BoxShadows::with_rest(first, &rest)
48    }
49}
50
51impl Animator for BoxShadowsAnimator {
52    type Value = BoxShadows;
53
54    fn base(&self) -> &AnimatorBase {
55        &self.base
56    }
57
58    #[inline]
59    fn interpolate(&self, progress: f64, old_value: &BoxShadows, new_value: &BoxShadows) -> BoxShadows {
60        Self::interpolate_core(progress, old_value, new_value)
61    }
62}
ferroui_base/animation/animators/box_shadows_animator.rs

ferroui_base/animation/animators/
box_shadows_animator.rs
