graphene/
quad.rs

1// Take a look at the license at the top of the repository in the LICENSE file.
2
3use std::fmt;
4
5use glib::translate::*;
6
7use crate::{ffi, Point, Quad, Rect};
8
9impl Quad {
10    #[doc(alias = "graphene_quad_init")]
11    pub fn new(p1: &Point, p2: &Point, p3: &Point, p4: &Point) -> Self {
12        assert_initialized_main_thread!();
13        unsafe {
14            let mut quad = Self::uninitialized();
15            ffi::graphene_quad_init(
16                quad.to_glib_none_mut().0,
17                p1.to_glib_none().0,
18                p2.to_glib_none().0,
19                p3.to_glib_none().0,
20                p4.to_glib_none().0,
21            );
22            quad
23        }
24    }
25
26    #[doc(alias = "graphene_quad_init_from_rect")]
27    #[doc(alias = "init_from_rect")]
28    pub fn from_rect(r: &Rect) -> Self {
29        assert_initialized_main_thread!();
30        unsafe {
31            let mut quad = Self::uninitialized();
32            ffi::graphene_quad_init_from_rect(quad.to_glib_none_mut().0, r.to_glib_none().0);
33            quad
34        }
35    }
36
37    #[doc(alias = "graphene_quad_init_from_points")]
38    #[doc(alias = "init_from_points")]
39    pub fn from_points(points: &[Point; 4]) -> Self {
40        assert_initialized_main_thread!();
41        unsafe {
42            let points = [
43                *points[0].to_glib_none().0,
44                *points[1].to_glib_none().0,
45                *points[2].to_glib_none().0,
46                *points[3].to_glib_none().0,
47            ];
48            let mut quad = Self::uninitialized();
49            ffi::graphene_quad_init_from_points(
50                quad.to_glib_none_mut().0,
51                points.as_ptr() as *const _,
52            );
53            quad
54        }
55    }
56
57    #[doc(alias = "graphene_quad_get_point")]
58    #[doc(alias = "get_point")]
59    pub fn point(&self, index_: u32) -> Point {
60        assert!(index_ < 4);
61        unsafe { from_glib_none(ffi::graphene_quad_get_point(self.to_glib_none().0, index_)) }
62    }
63
64    #[inline]
65    pub fn points(&self) -> &[Point; 4] {
66        unsafe { &*(&self.inner.points as *const [ffi::graphene_point_t; 4] as *const [Point; 4]) }
67    }
68}
69
70impl fmt::Debug for Quad {
71    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
72        f.debug_struct("Quad")
73            .field("points", &self.points())
74            .finish()
75    }
76}
graphene/quad.rs

graphene/
quad.rs
