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
|
use std::f32::consts::{FRAC_PI_2, PI};
use std::sync::atomic::Ordering;
use std::time::Duration;
use niri::animation::ANIMATION_SLOWDOWN;
use niri::render_helpers::gradient::GradientRenderElement;
use smithay::backend::renderer::element::RenderElement;
use smithay::backend::renderer::gles::GlesRenderer;
use smithay::utils::{Logical, Physical, Rectangle, Scale, Size};
use super::TestCase;
pub struct GradientAngle {
angle: f32,
prev_time: Duration,
}
impl GradientAngle {
pub fn new(_size: Size<i32, Logical>) -> Self {
Self {
angle: 0.,
prev_time: Duration::ZERO,
}
}
}
impl TestCase for GradientAngle {
fn are_animations_ongoing(&self) -> bool {
true
}
fn advance_animations(&mut self, current_time: Duration) {
let mut delta = if self.prev_time.is_zero() {
Duration::ZERO
} else {
current_time.saturating_sub(self.prev_time)
};
self.prev_time = current_time;
let slowdown = ANIMATION_SLOWDOWN.load(Ordering::SeqCst);
if slowdown == 0. {
delta = Duration::ZERO
} else {
delta = delta.div_f64(slowdown);
}
self.angle += delta.as_secs_f32() * PI;
if self.angle >= PI * 2. {
self.angle -= PI * 2.
}
}
fn render(
&mut self,
renderer: &mut GlesRenderer,
size: Size<i32, Physical>,
) -> Vec<Box<dyn RenderElement<GlesRenderer>>> {
let (a, b) = (size.w / 4, size.h / 4);
let size = (size.w - a * 2, size.h - b * 2);
let area = Rectangle::from_loc_and_size((a, b), size);
GradientRenderElement::new(
renderer,
Scale::from(1.),
area,
area,
[1., 0., 0., 1.],
[0., 1., 0., 1.],
self.angle - FRAC_PI_2,
)
.into_iter()
.map(|elem| Box::new(elem) as _)
.collect()
}
}
|
