1use crate::prelude::*;
2use crate::{scalar, Point, Scalar};
3use skia_bindings as sb;
4use skia_bindings::SkCubicMap;
5
6#[derive(Copy, Clone, Debug)]
7#[repr(transparent)]
8pub struct CubicMap(SkCubicMap);
9
10native_transmutable!(SkCubicMap, CubicMap, cubic_map_layout);
11
12impl CubicMap {
13 pub fn new(p1: impl Into<Point>, p2: impl Into<Point>) -> Self {
14 Self::from_native_c(nt:unsafe {
15 SkCubicMap::new(p1.into().into_native(), p2.into().into_native())
16 })
17 }
18
19 pub fn is_linear(p1: impl Into<Point>, p2: impl Into<Point>) -> bool {
20 let p1 = p1.into();
21 let p2 = p2.into();
22 scalar::nearly_equal(p1.x, p1.y, tolerance:None) && scalar::nearly_equal(p2.x, p2.y, tolerance:None)
23 }
24
25 pub fn compute_y_from_x(&self, x: f32) -> f32 {
26 unsafe { self.native().computeYFromX(x) }
27 }
28
29 pub fn compute_from_t(&self, t: f32) -> Point {
30 Point::from_native_c(nt:unsafe { sb::C_SkCubicMap_computeFromT(self.native(), t) })
31 }
32}
33
34#[test]
35fn construct_cubic_map() {
36 let _ = CubicMap::new((10, 10), (100, 100));
37}
38
39#[test]
40fn test_compute_from_t() {
41 let cm = CubicMap::new((10, 10), (100, 100));
42 let _p = cm.compute_from_t(0.5);
43}
44