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use length::Length;
use num::Zero;
use core::fmt;
use core::ops::Add;
use core::marker::PhantomData;
use core::cmp::{Eq, PartialEq};
use core::hash::{Hash};
#[cfg(feature = "serde")]
use serde::{Deserialize, Serialize};
#[repr(C)]
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
#[cfg_attr(feature = "serde", serde(bound(serialize = "T: Serialize", deserialize = "T: Deserialize<'de>")))]
pub struct SideOffsets2D<T, U> {
pub top: T,
pub right: T,
pub bottom: T,
pub left: T,
#[doc(hidden)]
pub _unit: PhantomData<U>,
}
impl<T: Copy, U> Copy for SideOffsets2D<T, U> {}
impl<T: Clone, U> Clone for SideOffsets2D<T, U> {
fn clone(&self) -> Self {
SideOffsets2D {
top: self.top.clone(),
right: self.right.clone(),
bottom: self.bottom.clone(),
left: self.left.clone(),
_unit: PhantomData,
}
}
}
impl<T, U> Eq for SideOffsets2D<T, U> where T: Eq {}
impl<T, U> PartialEq for SideOffsets2D<T, U>
where T: PartialEq
{
fn eq(&self, other: &Self) -> bool {
self.top == other.top &&
self.right == other.right &&
self.bottom == other.bottom &&
self.left == other.left
}
}
impl<T, U> Hash for SideOffsets2D<T, U>
where T: Hash
{
fn hash<H: ::core::hash::Hasher>(&self, h: &mut H) {
self.top.hash(h);
self.right.hash(h);
self.bottom.hash(h);
self.left.hash(h);
}
}
impl<T: fmt::Debug, U> fmt::Debug for SideOffsets2D<T, U> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(
f,
"({:?},{:?},{:?},{:?})",
self.top, self.right, self.bottom, self.left
)
}
}
impl<T: Default, U> Default for SideOffsets2D<T, U> {
fn default() -> Self {
SideOffsets2D {
top: Default::default(),
right: Default::default(),
bottom: Default::default(),
left: Default::default(),
_unit: PhantomData,
}
}
}
impl<T, U> SideOffsets2D<T, U> {
pub const fn new(top: T, right: T, bottom: T, left: T) -> Self {
SideOffsets2D {
top,
right,
bottom,
left,
_unit: PhantomData,
}
}
}
impl<T: Copy, U> SideOffsets2D<T, U> {
pub fn from_lengths(
top: Length<T, U>,
right: Length<T, U>,
bottom: Length<T, U>,
left: Length<T, U>,
) -> Self {
SideOffsets2D::new(top.0, right.0, bottom.0, left.0)
}
pub fn new_all_same(all: T) -> Self {
SideOffsets2D::new(all, all, all, all)
}
pub fn from_length_all_same(all: Length<T, U>) -> Self {
SideOffsets2D::new_all_same(all.0)
}
}
impl<T, U> SideOffsets2D<T, U>
where
T: Add<T, Output = T> + Copy,
{
pub fn horizontal(&self) -> T {
self.left + self.right
}
pub fn vertical(&self) -> T {
self.top + self.bottom
}
}
impl<T, U> Add for SideOffsets2D<T, U>
where
T: Copy + Add<T, Output = T>,
{
type Output = Self;
fn add(self, other: Self) -> Self {
SideOffsets2D::new(
self.top + other.top,
self.right + other.right,
self.bottom + other.bottom,
self.left + other.left,
)
}
}
impl<T: Copy + Zero, U> SideOffsets2D<T, U> {
pub fn zero() -> Self {
SideOffsets2D::new(Zero::zero(), Zero::zero(), Zero::zero(), Zero::zero())
}
}