// This file was generated by gir (https://github.com/gtk-rs/gir)
// from gir-files (https://github.com/gtk-rs/gir-files)
// DO NOT EDIT

use crate::Vec2;
use glib::translate::*;
use std::mem;

glib::wrapper! {
    /// A point with two coordinates.
    #[derive(Debug, PartialOrd, Ord, Hash)]
    pub struct Point(Boxed<ffi::graphene_point_t>);

    match fn {
        copy => |ptr| glib::gobject_ffi::g_boxed_copy(ffi::graphene_point_get_type(), ptr as *mut _) as *mut ffi::graphene_point_t,
        free => |ptr| glib::gobject_ffi::g_boxed_free(ffi::graphene_point_get_type(), ptr as *mut _),
        init => |_ptr| (),
        clear => |_ptr| (),
        type_ => || ffi::graphene_point_get_type(),
    }
}

impl Point {
    /// Computes the distance between `self` and `b`.
    /// ## `b`
    /// a [`Point`][crate::Point]
    ///
    /// # Returns
    ///
    /// the distance between the two points
    ///
    /// ## `d_x`
    /// distance component on the X axis
    ///
    /// ## `d_y`
    /// distance component on the Y axis
    #[doc(alias = "graphene_point_distance")]
    pub fn distance(&self, b: &Point) -> (f32, f32, f32) {
        unsafe {
            let mut d_x = mem::MaybeUninit::uninit();
            let mut d_y = mem::MaybeUninit::uninit();
            let ret = ffi::graphene_point_distance(
                self.to_glib_none().0,
                b.to_glib_none().0,
                d_x.as_mut_ptr(),
                d_y.as_mut_ptr(),
            );
            let d_x = d_x.assume_init();
            let d_y = d_y.assume_init();
            (ret, d_x, d_y)
        }
    }

    /// Checks if the two points `self` and `b` point to the same
    /// coordinates.
    ///
    /// This function accounts for floating point fluctuations; if
    /// you want to control the fuzziness of the match, you can use
    /// [`near()`][Self::near()] instead.
    /// ## `b`
    /// a [`Point`][crate::Point]
    ///
    /// # Returns
    ///
    /// `true` if the points have the same coordinates
    #[doc(alias = "graphene_point_equal")]
    fn equal(&self, b: &Point) -> bool {
        unsafe {
            from_glib(ffi::graphene_point_equal(
                self.to_glib_none().0,
                b.to_glib_none().0,
            ))
        }
    }

    /// Initializes `self` to the given `x` and `y` coordinates.
    ///
    /// It's safe to call this function multiple times.
    /// ## `x`
    /// the X coordinate
    /// ## `y`
    /// the Y coordinate
    ///
    /// # Returns
    ///
    /// the initialized point
    #[doc(alias = "graphene_point_init")]
    pub fn init(&mut self, x: f32, y: f32) {
        unsafe {
            ffi::graphene_point_init(self.to_glib_none_mut().0, x, y);
        }
    }

    /// Initializes `self` with the same coordinates of `src`.
    /// ## `src`
    /// the [`Point`][crate::Point] to use
    ///
    /// # Returns
    ///
    /// the initialized point
    #[doc(alias = "graphene_point_init_from_point")]
    pub fn init_from_point(&mut self, src: &Point) {
        unsafe {
            ffi::graphene_point_init_from_point(self.to_glib_none_mut().0, src.to_glib_none().0);
        }
    }

    /// Initializes `self` with the coordinates inside the given [`Vec2`][crate::Vec2].
    /// ## `src`
    /// a [`Vec2`][crate::Vec2]
    ///
    /// # Returns
    ///
    /// the initialized point
    #[doc(alias = "graphene_point_init_from_vec2")]
    pub fn init_from_vec2(&mut self, src: &Vec2) {
        unsafe {
            ffi::graphene_point_init_from_vec2(self.to_glib_none_mut().0, src.to_glib_none().0);
        }
    }

    /// Linearly interpolates the coordinates of `self` and `b` using the
    /// given `factor`.
    /// ## `b`
    /// a [`Point`][crate::Point]
    /// ## `factor`
    /// the linear interpolation factor
    ///
    /// # Returns
    ///
    ///
    /// ## `res`
    /// return location for the interpolated
    ///  point
    #[doc(alias = "graphene_point_interpolate")]
    pub fn interpolate(&self, b: &Point, factor: f64) -> Point {
        unsafe {
            let mut res = Point::uninitialized();
            ffi::graphene_point_interpolate(
                self.to_glib_none().0,
                b.to_glib_none().0,
                factor,
                res.to_glib_none_mut().0,
            );
            res
        }
    }

    /// Checks whether the two points `self` and `b` are within
    /// the threshold of `epsilon`.
    /// ## `b`
    /// a [`Point`][crate::Point]
    /// ## `epsilon`
    /// threshold between the two points
    ///
    /// # Returns
    ///
    /// `true` if the distance is within `epsilon`
    #[doc(alias = "graphene_point_near")]
    pub fn near(&self, b: &Point, epsilon: f32) -> bool {
        unsafe {
            from_glib(ffi::graphene_point_near(
                self.to_glib_none().0,
                b.to_glib_none().0,
                epsilon,
            ))
        }
    }

    /// Stores the coordinates of the given [`Point`][crate::Point] into a
    /// [`Vec2`][crate::Vec2].
    ///
    /// # Returns
    ///
    ///
    /// ## `v`
    /// return location for the vertex
    #[doc(alias = "graphene_point_to_vec2")]
    pub fn to_vec2(&self) -> Vec2 {
        unsafe {
            let mut v = Vec2::uninitialized();
            ffi::graphene_point_to_vec2(self.to_glib_none().0, v.to_glib_none_mut().0);
            v
        }
    }

    /// Returns a point fixed at (0, 0).
    ///
    /// # Returns
    ///
    /// a fixed point
    #[doc(alias = "graphene_point_zero")]
    pub fn zero() -> Point {
        assert_initialized_main_thread!();
        unsafe { from_glib_none(ffi::graphene_point_zero()) }
    }
}

impl PartialEq for Point {
    #[inline]
    fn eq(&self, other: &Self) -> bool {
        self.equal(other)
    }
}

impl Eq for Point {}