cogl/auto/
euler.rs

1use crate::Matrix;
2// use crate::Quaternion;
3
4use glib::translate::*;
5use std::boxed::Box as Box_;
6
7glib_wrapper! {
8    #[derive(Debug, PartialOrd, Ord)] // Hash
9    pub struct Euler(Boxed<ffi::CoglEuler>);
10
11    match fn {
12        copy => |ptr| ffi::cogl_euler_copy(mut_override(ptr)),
13        free => |ptr| ffi::cogl_euler_free(ptr),
14        get_type => || ffi::cogl_euler_get_gtype(),
15    }
16}
17
18impl Euler {
19    /// Initializes `self` to represent a rotation of `x_angle` degrees
20    /// around the x axis, then `y_angle` degrees around the y_axis and
21    /// `z_angle` degrees around the z axis.
22    ///
23    /// ## `heading`
24    /// Angle to rotate around an object's y axis
25    /// ## `pitch`
26    /// Angle to rotate around an object's x axis
27    /// ## `roll`
28    /// Angle to rotate around an object's z axis
29    pub fn init(&mut self, heading: f32, pitch: f32, roll: f32) {
30        unsafe {
31            ffi::cogl_euler_init(self.to_glib_none_mut().0, heading, pitch, roll);
32        }
33    }
34
35    /// Extracts a euler rotation from the given `matrix` and
36    /// initializses `self` with the component x, y and z rotation angles.
37    ///
38    /// ## `matrix`
39    /// A `Matrix` containing a rotation, but no scaling,
40    ///  mirroring or skewing.
41    pub fn init_from_matrix(&mut self, matrix: &Matrix) {
42        unsafe {
43            ffi::cogl_euler_init_from_matrix(self.to_glib_none_mut().0, matrix.to_glib_none().0);
44        }
45    }
46
47    // /// Initializes a `self` rotation with the equivalent rotation
48    // /// represented by the given `quaternion`.
49    // ///
50    // /// ## `quaternion`
51    // /// A `Euler` with the rotation to initialize with
52    // pub fn init_from_quaternion(&mut self, quaternion: &Quaternion) {
53    //     unsafe {
54    //         ffi::cogl_euler_init_from_quaternion(
55    //             self.to_glib_none_mut().0,
56    //             quaternion.to_glib_none().0,
57    //         );
58    //     }
59    // }
60
61    fn equal(v1: &Self, v2: &Self) -> bool {
62        let a = Box_::into_raw(Box::new(v1)) as *mut _;
63        let b = Box_::into_raw(Box::new(v2)) as *mut _;
64        unsafe { ffi::cogl_euler_equal(a, b) == crate::TRUE }
65    }
66}
67
68impl PartialEq for Euler {
69    #[inline]
70    fn eq(&self, other: &Self) -> bool {
71        Euler::equal(self, other)
72    }
73}
74
75impl Eq for Euler {}
cogl/auto/euler.rs

cogl/auto/
euler.rs
