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+// Copyright 2013 The Servo Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+use super::UnknownUnit;
+use crate::approxord::{max, min};
+use crate::length::Length;
+use crate::num::*;
+use crate::scale::Scale;
+use crate::vector::{vec2, BoolVector2D, Vector2D};
+use crate::vector::{vec3, BoolVector3D, Vector3D};
+#[cfg(feature = "mint")]
+use mint;
+
+use core::cmp::{Eq, PartialEq};
+use core::fmt;
+use core::hash::Hash;
+use core::iter::Sum;
+use core::marker::PhantomData;
+use core::ops::{Add, AddAssign, Div, DivAssign, Mul, MulAssign, Neg, Sub, SubAssign};
+use num_traits::{NumCast, Signed, Float};
+#[cfg(feature = "serde")]
+use serde;
+#[cfg(feature = "bytemuck")]
+use bytemuck::{Zeroable, Pod};
+
+/// A 2d size tagged with a unit.
+#[repr(C)]
+pub struct Size2D<T, U> {
+ /// The extent of the element in the `U` units along the `x` axis (usually horizontal).
+ pub width: T,
+ /// The extent of the element in the `U` units along the `y` axis (usually vertical).
+ pub height: T,
+ #[doc(hidden)]
+ pub _unit: PhantomData<U>,
+}
+
+impl<T: Copy, U> Copy for Size2D<T, U> {}
+
+impl<T: Clone, U> Clone for Size2D<T, U> {
+ fn clone(&self) -> Self {
+ Size2D {
+ width: self.width.clone(),
+ height: self.height.clone(),
+ _unit: PhantomData,
+ }
+ }
+}
+
+#[cfg(feature = "serde")]
+impl<'de, T, U> serde::Deserialize<'de> for Size2D<T, U>
+where
+ T: serde::Deserialize<'de>,
+{
+ /// Deserializes 2d size from tuple of width and height.
+ fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
+ where
+ D: serde::Deserializer<'de>,
+ {
+ let (width, height) = serde::Deserialize::deserialize(deserializer)?;
+ Ok(Size2D {
+ width,
+ height,
+ _unit: PhantomData,
+ })
+ }
+}
+
+#[cfg(feature = "serde")]
+impl<T, U> serde::Serialize for Size2D<T, U>
+where
+ T: serde::Serialize,
+{
+ /// Serializes 2d size to tuple of width and height.
+ fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+ where
+ S: serde::Serializer,
+ {
+ (&self.width, &self.height).serialize(serializer)
+ }
+}
+
+#[cfg(feature = "arbitrary")]
+impl<'a, T, U> arbitrary::Arbitrary<'a> for Size2D<T, U>
+where
+ T: arbitrary::Arbitrary<'a>,
+{
+ fn arbitrary(u: &mut arbitrary::Unstructured<'a>) -> arbitrary::Result<Self>
+ {
+ let (width, height) = arbitrary::Arbitrary::arbitrary(u)?;
+ Ok(Size2D {
+ width,
+ height,
+ _unit: PhantomData,
+ })
+ }
+}
+
+#[cfg(feature = "bytemuck")]
+unsafe impl<T: Zeroable, U> Zeroable for Size2D<T, U> {}
+
+#[cfg(feature = "bytemuck")]
+unsafe impl<T: Pod, U: 'static> Pod for Size2D<T, U> {}
+
+impl<T, U> Eq for Size2D<T, U> where T: Eq {}
+
+impl<T, U> PartialEq for Size2D<T, U>
+where
+ T: PartialEq,
+{
+ fn eq(&self, other: &Self) -> bool {
+ self.width == other.width && self.height == other.height
+ }
+}
+
+impl<T, U> Hash for Size2D<T, U>
+where
+ T: Hash,
+{
+ fn hash<H: core::hash::Hasher>(&self, h: &mut H) {
+ self.width.hash(h);
+ self.height.hash(h);
+ }
+}
+
+impl<T: fmt::Debug, U> fmt::Debug for Size2D<T, U> {
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+ fmt::Debug::fmt(&self.width, f)?;
+ write!(f, "x")?;
+ fmt::Debug::fmt(&self.height, f)
+ }
+}
+
+impl<T: Default, U> Default for Size2D<T, U> {
+ fn default() -> Self {
+ Size2D::new(Default::default(), Default::default())
+ }
+}
+
+impl<T, U> Size2D<T, U> {
+ /// The same as [`Zero::zero()`] but available without importing trait.
+ ///
+ /// [`Zero::zero()`]: ./num/trait.Zero.html#tymethod.zero
+ #[inline]
+ pub fn zero() -> Self
+ where
+ T: Zero,
+ {
+ Size2D::new(Zero::zero(), Zero::zero())
+ }
+
+ /// Constructor taking scalar values.
+ #[inline]
+ pub const fn new(width: T, height: T) -> Self {
+ Size2D {
+ width,
+ height,
+ _unit: PhantomData,
+ }
+ }
+ /// Constructor taking scalar strongly typed lengths.
+ #[inline]
+ pub fn from_lengths(width: Length<T, U>, height: Length<T, U>) -> Self {
+ Size2D::new(width.0, height.0)
+ }
+
+ /// Constructor setting all components to the same value.
+ #[inline]
+ pub fn splat(v: T) -> Self
+ where
+ T: Clone,
+ {
+ Size2D {
+ width: v.clone(),
+ height: v,
+ _unit: PhantomData,
+ }
+ }
+
+ /// Tag a unitless value with units.
+ #[inline]
+ pub fn from_untyped(p: Size2D<T, UnknownUnit>) -> Self {
+ Size2D::new(p.width, p.height)
+ }
+}
+
+impl<T: Copy, U> Size2D<T, U> {
+ /// Return this size as an array of two elements (width, then height).
+ #[inline]
+ pub fn to_array(self) -> [T; 2] {
+ [self.width, self.height]
+ }
+
+ /// Return this size as a tuple of two elements (width, then height).
+ #[inline]
+ pub fn to_tuple(self) -> (T, T) {
+ (self.width, self.height)
+ }
+
+ /// Return this size as a vector with width and height.
+ #[inline]
+ pub fn to_vector(self) -> Vector2D<T, U> {
+ vec2(self.width, self.height)
+ }
+
+ /// Drop the units, preserving only the numeric value.
+ #[inline]
+ pub fn to_untyped(self) -> Size2D<T, UnknownUnit> {
+ self.cast_unit()
+ }
+
+ /// Cast the unit
+ #[inline]
+ pub fn cast_unit<V>(self) -> Size2D<T, V> {
+ Size2D::new(self.width, self.height)
+ }
+
+ /// Rounds each component to the nearest integer value.
+ ///
+ /// This behavior is preserved for negative values (unlike the basic cast).
+ ///
+ /// ```rust
+ /// # use euclid::size2;
+ /// enum Mm {}
+ ///
+ /// assert_eq!(size2::<_, Mm>(-0.1, -0.8).round(), size2::<_, Mm>(0.0, -1.0))
+ /// ```
+ #[inline]
+ #[must_use]
+ pub fn round(self) -> Self
+ where
+ T: Round,
+ {
+ Size2D::new(self.width.round(), self.height.round())
+ }
+
+ /// Rounds each component to the smallest integer equal or greater than the original value.
+ ///
+ /// This behavior is preserved for negative values (unlike the basic cast).
+ ///
+ /// ```rust
+ /// # use euclid::size2;
+ /// enum Mm {}
+ ///
+ /// assert_eq!(size2::<_, Mm>(-0.1, -0.8).ceil(), size2::<_, Mm>(0.0, 0.0))
+ /// ```
+ #[inline]
+ #[must_use]
+ pub fn ceil(self) -> Self
+ where
+ T: Ceil,
+ {
+ Size2D::new(self.width.ceil(), self.height.ceil())
+ }
+
+ /// Rounds each component to the biggest integer equal or lower than the original value.
+ ///
+ /// This behavior is preserved for negative values (unlike the basic cast).
+ ///
+ /// ```rust
+ /// # use euclid::size2;
+ /// enum Mm {}
+ ///
+ /// assert_eq!(size2::<_, Mm>(-0.1, -0.8).floor(), size2::<_, Mm>(-1.0, -1.0))
+ /// ```
+ #[inline]
+ #[must_use]
+ pub fn floor(self) -> Self
+ where
+ T: Floor,
+ {
+ Size2D::new(self.width.floor(), self.height.floor())
+ }
+
+ /// Returns result of multiplication of both components
+ pub fn area(self) -> T::Output
+ where
+ T: Mul,
+ {
+ self.width * self.height
+ }
+
+ /// Linearly interpolate each component between this size and another size.
+ ///
+ /// # Example
+ ///
+ /// ```rust
+ /// use euclid::size2;
+ /// use euclid::default::Size2D;
+ ///
+ /// let from: Size2D<_> = size2(0.0, 10.0);
+ /// let to: Size2D<_> = size2(8.0, -4.0);
+ ///
+ /// assert_eq!(from.lerp(to, -1.0), size2(-8.0, 24.0));
+ /// assert_eq!(from.lerp(to, 0.0), size2( 0.0, 10.0));
+ /// assert_eq!(from.lerp(to, 0.5), size2( 4.0, 3.0));
+ /// assert_eq!(from.lerp(to, 1.0), size2( 8.0, -4.0));
+ /// assert_eq!(from.lerp(to, 2.0), size2(16.0, -18.0));
+ /// ```
+ #[inline]
+ pub fn lerp(self, other: Self, t: T) -> Self
+ where
+ T: One + Sub<Output = T> + Mul<Output = T> + Add<Output = T>,
+ {
+ let one_t = T::one() - t;
+ self * one_t + other * t
+ }
+}
+
+impl<T: NumCast + Copy, U> Size2D<T, U> {
+ /// Cast from one numeric representation to another, preserving the units.
+ ///
+ /// When casting from floating point to integer coordinates, the decimals are truncated
+ /// as one would expect from a simple cast, but this behavior does not always make sense
+ /// geometrically. Consider using `round()`, `ceil()` or `floor()` before casting.
+ #[inline]
+ pub fn cast<NewT: NumCast>(self) -> Size2D<NewT, U> {
+ self.try_cast().unwrap()
+ }
+
+ /// Fallible cast from one numeric representation to another, preserving the units.
+ ///
+ /// When casting from floating point to integer coordinates, the decimals are truncated
+ /// as one would expect from a simple cast, but this behavior does not always make sense
+ /// geometrically. Consider using `round()`, `ceil()` or `floor()` before casting.
+ pub fn try_cast<NewT: NumCast>(self) -> Option<Size2D<NewT, U>> {
+ match (NumCast::from(self.width), NumCast::from(self.height)) {
+ (Some(w), Some(h)) => Some(Size2D::new(w, h)),
+ _ => None,
+ }
+ }
+
+ // Convenience functions for common casts
+
+ /// Cast into an `f32` size.
+ #[inline]
+ pub fn to_f32(self) -> Size2D<f32, U> {
+ self.cast()
+ }
+
+ /// Cast into an `f64` size.
+ #[inline]
+ pub fn to_f64(self) -> Size2D<f64, U> {
+ self.cast()
+ }
+
+ /// Cast into an `uint` size, truncating decimals if any.
+ ///
+ /// When casting from floating point sizes, it is worth considering whether
+ /// to `round()`, `ceil()` or `floor()` before the cast in order to obtain
+ /// the desired conversion behavior.
+ #[inline]
+ pub fn to_usize(self) -> Size2D<usize, U> {
+ self.cast()
+ }
+
+ /// Cast into an `u32` size, truncating decimals if any.
+ ///
+ /// When casting from floating point sizes, it is worth considering whether
+ /// to `round()`, `ceil()` or `floor()` before the cast in order to obtain
+ /// the desired conversion behavior.
+ #[inline]
+ pub fn to_u32(self) -> Size2D<u32, U> {
+ self.cast()
+ }
+
+ /// Cast into an `u64` size, truncating decimals if any.
+ ///
+ /// When casting from floating point sizes, it is worth considering whether
+ /// to `round()`, `ceil()` or `floor()` before the cast in order to obtain
+ /// the desired conversion behavior.
+ #[inline]
+ pub fn to_u64(self) -> Size2D<u64, U> {
+ self.cast()
+ }
+
+ /// Cast into an `i32` size, truncating decimals if any.
+ ///
+ /// When casting from floating point sizes, it is worth considering whether
+ /// to `round()`, `ceil()` or `floor()` before the cast in order to obtain
+ /// the desired conversion behavior.
+ #[inline]
+ pub fn to_i32(self) -> Size2D<i32, U> {
+ self.cast()
+ }
+
+ /// Cast into an `i64` size, truncating decimals if any.
+ ///
+ /// When casting from floating point sizes, it is worth considering whether
+ /// to `round()`, `ceil()` or `floor()` before the cast in order to obtain
+ /// the desired conversion behavior.
+ #[inline]
+ pub fn to_i64(self) -> Size2D<i64, U> {
+ self.cast()
+ }
+}
+
+impl<T: Float, U> Size2D<T, U> {
+ /// Returns true if all members are finite.
+ #[inline]
+ pub fn is_finite(self) -> bool {
+ self.width.is_finite() && self.height.is_finite()
+ }
+}
+
+impl<T: Signed, U> Size2D<T, U> {
+ /// Computes the absolute value of each component.
+ ///
+ /// For `f32` and `f64`, `NaN` will be returned for component if the component is `NaN`.
+ ///
+ /// For signed integers, `::MIN` will be returned for component if the component is `::MIN`.
+ pub fn abs(self) -> Self {
+ size2(self.width.abs(), self.height.abs())
+ }
+
+ /// Returns `true` if both components is positive and `false` any component is zero or negative.
+ pub fn is_positive(self) -> bool {
+ self.width.is_positive() && self.height.is_positive()
+ }
+}
+
+impl<T: PartialOrd, U> Size2D<T, U> {
+ /// Returns the size each component of which are minimum of this size and another.
+ #[inline]
+ pub fn min(self, other: Self) -> Self {
+ size2(min(self.width, other.width), min(self.height, other.height))
+ }
+
+ /// Returns the size each component of which are maximum of this size and another.
+ #[inline]
+ pub fn max(self, other: Self) -> Self {
+ size2(max(self.width, other.width), max(self.height, other.height))
+ }
+
+ /// Returns the size each component of which clamped by corresponding
+ /// components of `start` and `end`.
+ ///
+ /// Shortcut for `self.max(start).min(end)`.
+ #[inline]
+ pub fn clamp(self, start: Self, end: Self) -> Self
+ where
+ T: Copy,
+ {
+ self.max(start).min(end)
+ }
+
+ // Returns true if this size is larger or equal to the other size in all dimensions.
+ #[inline]
+ pub fn contains(self, other: Self) -> bool {
+ self.width >= other.width && self.height >= other.height
+ }
+
+ /// Returns vector with results of "greater then" operation on each component.
+ pub fn greater_than(self, other: Self) -> BoolVector2D {
+ BoolVector2D {
+ x: self.width > other.width,
+ y: self.height > other.height,
+ }
+ }
+
+ /// Returns vector with results of "lower then" operation on each component.
+ pub fn lower_than(self, other: Self) -> BoolVector2D {
+ BoolVector2D {
+ x: self.width < other.width,
+ y: self.height < other.height,
+ }
+ }
+
+ /// Returns `true` if any component of size is zero, negative, or NaN.
+ pub fn is_empty(self) -> bool
+ where
+ T: Zero,
+ {
+ let zero = T::zero();
+ // The condition is experessed this way so that we return true in
+ // the presence of NaN.
+ !(self.width > zero && self.height > zero)
+ }
+}
+
+impl<T: PartialEq, U> Size2D<T, U> {
+ /// Returns vector with results of "equal" operation on each component.
+ pub fn equal(self, other: Self) -> BoolVector2D {
+ BoolVector2D {
+ x: self.width == other.width,
+ y: self.height == other.height,
+ }
+ }
+
+ /// Returns vector with results of "not equal" operation on each component.
+ pub fn not_equal(self, other: Self) -> BoolVector2D {
+ BoolVector2D {
+ x: self.width != other.width,
+ y: self.height != other.height,
+ }
+ }
+}
+
+impl<T: Round, U> Round for Size2D<T, U> {
+ /// See [`Size2D::round()`](#method.round).
+ #[inline]
+ fn round(self) -> Self {
+ self.round()
+ }
+}
+
+impl<T: Ceil, U> Ceil for Size2D<T, U> {
+ /// See [`Size2D::ceil()`](#method.ceil).
+ #[inline]
+ fn ceil(self) -> Self {
+ self.ceil()
+ }
+}
+
+impl<T: Floor, U> Floor for Size2D<T, U> {
+ /// See [`Size2D::floor()`](#method.floor).
+ #[inline]
+ fn floor(self) -> Self {
+ self.floor()
+ }
+}
+
+impl<T: Zero, U> Zero for Size2D<T, U> {
+ #[inline]
+ fn zero() -> Self {
+ Size2D::new(Zero::zero(), Zero::zero())
+ }
+}
+
+impl<T: Neg, U> Neg for Size2D<T, U> {
+ type Output = Size2D<T::Output, U>;
+
+ #[inline]
+ fn neg(self) -> Self::Output {
+ Size2D::new(-self.width, -self.height)
+ }
+}
+
+impl<T: Add, U> Add for Size2D<T, U> {
+ type Output = Size2D<T::Output, U>;
+
+ #[inline]
+ fn add(self, other: Self) -> Self::Output {
+ Size2D::new(self.width + other.width, self.height + other.height)
+ }
+}
+
+impl<T: Copy + Add<T, Output = T>, U> Add<&Self> for Size2D<T, U> {
+ type Output = Self;
+ fn add(self, other: &Self) -> Self {
+ Size2D::new(self.width + other.width, self.height + other.height)
+ }
+}
+
+impl<T: Add<Output = T> + Zero, U> Sum for Size2D<T, U> {
+ fn sum<I: Iterator<Item=Self>>(iter: I) -> Self {
+ iter.fold(Self::zero(), Add::add)
+ }
+}
+
+impl<'a, T: 'a + Add<Output = T> + Copy + Zero, U: 'a> Sum<&'a Self> for Size2D<T, U> {
+ fn sum<I: Iterator<Item=&'a Self>>(iter: I) -> Self {
+ iter.fold(Self::zero(), Add::add)
+ }
+}
+
+impl<T: AddAssign, U> AddAssign for Size2D<T, U> {
+ #[inline]
+ fn add_assign(&mut self, other: Self) {
+ self.width += other.width;
+ self.height += other.height;
+ }
+}
+
+impl<T: Sub, U> Sub for Size2D<T, U> {
+ type Output = Size2D<T::Output, U>;
+
+ #[inline]
+ fn sub(self, other: Self) -> Self::Output {
+ Size2D::new(self.width - other.width, self.height - other.height)
+ }
+}
+
+impl<T: SubAssign, U> SubAssign for Size2D<T, U> {
+ #[inline]
+ fn sub_assign(&mut self, other: Self) {
+ self.width -= other.width;
+ self.height -= other.height;
+ }
+}
+
+impl<T: Copy + Mul, U> Mul<T> for Size2D<T, U> {
+ type Output = Size2D<T::Output, U>;
+
+ #[inline]
+ fn mul(self, scale: T) -> Self::Output {
+ Size2D::new(self.width * scale, self.height * scale)
+ }
+}
+
+impl<T: Copy + MulAssign, U> MulAssign<T> for Size2D<T, U> {
+ #[inline]
+ fn mul_assign(&mut self, other: T) {
+ self.width *= other;
+ self.height *= other;
+ }
+}
+
+impl<T: Copy + Mul, U1, U2> Mul<Scale<T, U1, U2>> for Size2D<T, U1> {
+ type Output = Size2D<T::Output, U2>;
+
+ #[inline]
+ fn mul(self, scale: Scale<T, U1, U2>) -> Self::Output {
+ Size2D::new(self.width * scale.0, self.height * scale.0)
+ }
+}
+
+impl<T: Copy + MulAssign, U> MulAssign<Scale<T, U, U>> for Size2D<T, U> {
+ #[inline]
+ fn mul_assign(&mut self, other: Scale<T, U, U>) {
+ *self *= other.0;
+ }
+}
+
+impl<T: Copy + Div, U> Div<T> for Size2D<T, U> {
+ type Output = Size2D<T::Output, U>;
+
+ #[inline]
+ fn div(self, scale: T) -> Self::Output {
+ Size2D::new(self.width / scale, self.height / scale)
+ }
+}
+
+impl<T: Copy + DivAssign, U> DivAssign<T> for Size2D<T, U> {
+ #[inline]
+ fn div_assign(&mut self, other: T) {
+ self.width /= other;
+ self.height /= other;
+ }
+}
+
+impl<T: Copy + Div, U1, U2> Div<Scale<T, U1, U2>> for Size2D<T, U2> {
+ type Output = Size2D<T::Output, U1>;
+
+ #[inline]
+ fn div(self, scale: Scale<T, U1, U2>) -> Self::Output {
+ Size2D::new(self.width / scale.0, self.height / scale.0)
+ }
+}
+
+impl<T: Copy + DivAssign, U> DivAssign<Scale<T, U, U>> for Size2D<T, U> {
+ #[inline]
+ fn div_assign(&mut self, other: Scale<T, U, U>) {
+ *self /= other.0;
+ }
+}
+
+/// Shorthand for `Size2D::new(w, h)`.
+#[inline]
+pub const fn size2<T, U>(w: T, h: T) -> Size2D<T, U> {
+ Size2D::new(w, h)
+}
+
+#[cfg(feature = "mint")]
+impl<T, U> From<mint::Vector2<T>> for Size2D<T, U> {
+ #[inline]
+ fn from(v: mint::Vector2<T>) -> Self {
+ Size2D {
+ width: v.x,
+ height: v.y,
+ _unit: PhantomData,
+ }
+ }
+}
+#[cfg(feature = "mint")]
+impl<T, U> Into<mint::Vector2<T>> for Size2D<T, U> {
+ #[inline]
+ fn into(self) -> mint::Vector2<T> {
+ mint::Vector2 {
+ x: self.width,
+ y: self.height,
+ }
+ }
+}
+
+impl<T, U> From<Vector2D<T, U>> for Size2D<T, U> {
+ #[inline]
+ fn from(v: Vector2D<T, U>) -> Self {
+ size2(v.x, v.y)
+ }
+}
+
+impl<T, U> Into<[T; 2]> for Size2D<T, U> {
+ #[inline]
+ fn into(self) -> [T; 2] {
+ [self.width, self.height]
+ }
+}
+
+impl<T, U> From<[T; 2]> for Size2D<T, U> {
+ #[inline]
+ fn from([w, h]: [T; 2]) -> Self {
+ size2(w, h)
+ }
+}
+
+impl<T, U> Into<(T, T)> for Size2D<T, U> {
+ #[inline]
+ fn into(self) -> (T, T) {
+ (self.width, self.height)
+ }
+}
+
+impl<T, U> From<(T, T)> for Size2D<T, U> {
+ #[inline]
+ fn from(tuple: (T, T)) -> Self {
+ size2(tuple.0, tuple.1)
+ }
+}
+
+#[cfg(test)]
+mod size2d {
+ use crate::default::Size2D;
+ #[cfg(feature = "mint")]
+ use mint;
+
+ #[test]
+ pub fn test_area() {
+ let p = Size2D::new(1.5, 2.0);
+ assert_eq!(p.area(), 3.0);
+ }
+
+ #[cfg(feature = "mint")]
+ #[test]
+ pub fn test_mint() {
+ let s1 = Size2D::new(1.0, 2.0);
+ let sm: mint::Vector2<_> = s1.into();
+ let s2 = Size2D::from(sm);
+
+ assert_eq!(s1, s2);
+ }
+
+ mod ops {
+ use crate::default::Size2D;
+ use crate::scale::Scale;
+
+ pub enum Mm {}
+ pub enum Cm {}
+
+ pub type Size2DMm<T> = crate::Size2D<T, Mm>;
+ pub type Size2DCm<T> = crate::Size2D<T, Cm>;
+
+ #[test]
+ pub fn test_neg() {
+ assert_eq!(-Size2D::new(1.0, 2.0), Size2D::new(-1.0, -2.0));
+ assert_eq!(-Size2D::new(0.0, 0.0), Size2D::new(-0.0, -0.0));
+ assert_eq!(-Size2D::new(-1.0, -2.0), Size2D::new(1.0, 2.0));
+ }
+
+ #[test]
+ pub fn test_add() {
+ let s1 = Size2D::new(1.0, 2.0);
+ let s2 = Size2D::new(3.0, 4.0);
+ assert_eq!(s1 + s2, Size2D::new(4.0, 6.0));
+ assert_eq!(s1 + &s2, Size2D::new(4.0, 6.0));
+
+ let s1 = Size2D::new(1.0, 2.0);
+ let s2 = Size2D::new(0.0, 0.0);
+ assert_eq!(s1 + s2, Size2D::new(1.0, 2.0));
+ assert_eq!(s1 + &s2, Size2D::new(1.0, 2.0));
+
+ let s1 = Size2D::new(1.0, 2.0);
+ let s2 = Size2D::new(-3.0, -4.0);
+ assert_eq!(s1 + s2, Size2D::new(-2.0, -2.0));
+ assert_eq!(s1 + &s2, Size2D::new(-2.0, -2.0));
+
+ let s1 = Size2D::new(0.0, 0.0);
+ let s2 = Size2D::new(0.0, 0.0);
+ assert_eq!(s1 + s2, Size2D::new(0.0, 0.0));
+ assert_eq!(s1 + &s2, Size2D::new(0.0, 0.0));
+ }
+
+ #[test]
+ pub fn test_add_assign() {
+ let mut s = Size2D::new(1.0, 2.0);
+ s += Size2D::new(3.0, 4.0);
+ assert_eq!(s, Size2D::new(4.0, 6.0));
+
+ let mut s = Size2D::new(1.0, 2.0);
+ s += Size2D::new(0.0, 0.0);
+ assert_eq!(s, Size2D::new(1.0, 2.0));
+
+ let mut s = Size2D::new(1.0, 2.0);
+ s += Size2D::new(-3.0, -4.0);
+ assert_eq!(s, Size2D::new(-2.0, -2.0));
+
+ let mut s = Size2D::new(0.0, 0.0);
+ s += Size2D::new(0.0, 0.0);
+ assert_eq!(s, Size2D::new(0.0, 0.0));
+ }
+
+ #[test]
+ pub fn test_sum() {
+ let sizes = [
+ Size2D::new(0.0, 1.0),
+ Size2D::new(1.0, 2.0),
+ Size2D::new(2.0, 3.0)
+ ];
+ let sum = Size2D::new(3.0, 6.0);
+ assert_eq!(sizes.iter().sum::<Size2D<_>>(), sum);
+ }
+
+ #[test]
+ pub fn test_sub() {
+ let s1 = Size2D::new(1.0, 2.0);
+ let s2 = Size2D::new(3.0, 4.0);
+ assert_eq!(s1 - s2, Size2D::new(-2.0, -2.0));
+
+ let s1 = Size2D::new(1.0, 2.0);
+ let s2 = Size2D::new(0.0, 0.0);
+ assert_eq!(s1 - s2, Size2D::new(1.0, 2.0));
+
+ let s1 = Size2D::new(1.0, 2.0);
+ let s2 = Size2D::new(-3.0, -4.0);
+ assert_eq!(s1 - s2, Size2D::new(4.0, 6.0));
+
+ let s1 = Size2D::new(0.0, 0.0);
+ let s2 = Size2D::new(0.0, 0.0);
+ assert_eq!(s1 - s2, Size2D::new(0.0, 0.0));
+ }
+
+ #[test]
+ pub fn test_sub_assign() {
+ let mut s = Size2D::new(1.0, 2.0);
+ s -= Size2D::new(3.0, 4.0);
+ assert_eq!(s, Size2D::new(-2.0, -2.0));
+
+ let mut s = Size2D::new(1.0, 2.0);
+ s -= Size2D::new(0.0, 0.0);
+ assert_eq!(s, Size2D::new(1.0, 2.0));
+
+ let mut s = Size2D::new(1.0, 2.0);
+ s -= Size2D::new(-3.0, -4.0);
+ assert_eq!(s, Size2D::new(4.0, 6.0));
+
+ let mut s = Size2D::new(0.0, 0.0);
+ s -= Size2D::new(0.0, 0.0);
+ assert_eq!(s, Size2D::new(0.0, 0.0));
+ }
+
+ #[test]
+ pub fn test_mul_scalar() {
+ let s1: Size2D<f32> = Size2D::new(3.0, 5.0);
+
+ let result = s1 * 5.0;
+
+ assert_eq!(result, Size2D::new(15.0, 25.0));
+ }
+
+ #[test]
+ pub fn test_mul_assign_scalar() {
+ let mut s1 = Size2D::new(3.0, 5.0);
+
+ s1 *= 5.0;
+
+ assert_eq!(s1, Size2D::new(15.0, 25.0));
+ }
+
+ #[test]
+ pub fn test_mul_scale() {
+ let s1 = Size2DMm::new(1.0, 2.0);
+ let cm_per_mm: Scale<f32, Mm, Cm> = Scale::new(0.1);
+
+ let result = s1 * cm_per_mm;
+
+ assert_eq!(result, Size2DCm::new(0.1, 0.2));
+ }
+
+ #[test]
+ pub fn test_mul_assign_scale() {
+ let mut s1 = Size2DMm::new(1.0, 2.0);
+ let scale: Scale<f32, Mm, Mm> = Scale::new(0.1);
+
+ s1 *= scale;
+
+ assert_eq!(s1, Size2DMm::new(0.1, 0.2));
+ }
+
+ #[test]
+ pub fn test_div_scalar() {
+ let s1: Size2D<f32> = Size2D::new(15.0, 25.0);
+
+ let result = s1 / 5.0;
+
+ assert_eq!(result, Size2D::new(3.0, 5.0));
+ }
+
+ #[test]
+ pub fn test_div_assign_scalar() {
+ let mut s1: Size2D<f32> = Size2D::new(15.0, 25.0);
+
+ s1 /= 5.0;
+
+ assert_eq!(s1, Size2D::new(3.0, 5.0));
+ }
+
+ #[test]
+ pub fn test_div_scale() {
+ let s1 = Size2DCm::new(0.1, 0.2);
+ let cm_per_mm: Scale<f32, Mm, Cm> = Scale::new(0.1);
+
+ let result = s1 / cm_per_mm;
+
+ assert_eq!(result, Size2DMm::new(1.0, 2.0));
+ }
+
+ #[test]
+ pub fn test_div_assign_scale() {
+ let mut s1 = Size2DMm::new(0.1, 0.2);
+ let scale: Scale<f32, Mm, Mm> = Scale::new(0.1);
+
+ s1 /= scale;
+
+ assert_eq!(s1, Size2DMm::new(1.0, 2.0));
+ }
+
+ #[test]
+ pub fn test_nan_empty() {
+ use std::f32::NAN;
+ assert!(Size2D::new(NAN, 2.0).is_empty());
+ assert!(Size2D::new(0.0, NAN).is_empty());
+ assert!(Size2D::new(NAN, -2.0).is_empty());
+ }
+ }
+}
+
+/// A 3d size tagged with a unit.
+#[repr(C)]
+pub struct Size3D<T, U> {
+ /// The extent of the element in the `U` units along the `x` axis.
+ pub width: T,
+ /// The extent of the element in the `U` units along the `y` axis.
+ pub height: T,
+ /// The extent of the element in the `U` units along the `z` axis.
+ pub depth: T,
+ #[doc(hidden)]
+ pub _unit: PhantomData<U>,
+}
+
+impl<T: Copy, U> Copy for Size3D<T, U> {}
+
+impl<T: Clone, U> Clone for Size3D<T, U> {
+ fn clone(&self) -> Self {
+ Size3D {
+ width: self.width.clone(),
+ height: self.height.clone(),
+ depth: self.depth.clone(),
+ _unit: PhantomData,
+ }
+ }
+}
+
+#[cfg(feature = "serde")]
+impl<'de, T, U> serde::Deserialize<'de> for Size3D<T, U>
+where
+ T: serde::Deserialize<'de>,
+{
+ fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
+ where
+ D: serde::Deserializer<'de>,
+ {
+ let (width, height, depth) = serde::Deserialize::deserialize(deserializer)?;
+ Ok(Size3D {
+ width,
+ height,
+ depth,
+ _unit: PhantomData,
+ })
+ }
+}
+
+#[cfg(feature = "serde")]
+impl<T, U> serde::Serialize for Size3D<T, U>
+where
+ T: serde::Serialize,
+{
+ fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+ where
+ S: serde::Serializer,
+ {
+ (&self.width, &self.height, &self.depth).serialize(serializer)
+ }
+}
+
+#[cfg(feature = "bytemuck")]
+unsafe impl<T: Zeroable, U> Zeroable for Size3D<T, U> {}
+
+#[cfg(feature = "bytemuck")]
+unsafe impl<T: Pod, U: 'static> Pod for Size3D<T, U> {}
+
+impl<T, U> Eq for Size3D<T, U> where T: Eq {}
+
+impl<T, U> PartialEq for Size3D<T, U>
+where
+ T: PartialEq,
+{
+ fn eq(&self, other: &Self) -> bool {
+ self.width == other.width && self.height == other.height && self.depth == other.depth
+ }
+}
+
+impl<T, U> Hash for Size3D<T, U>
+where
+ T: Hash,
+{
+ fn hash<H: core::hash::Hasher>(&self, h: &mut H) {
+ self.width.hash(h);
+ self.height.hash(h);
+ self.depth.hash(h);
+ }
+}
+
+impl<T: fmt::Debug, U> fmt::Debug for Size3D<T, U> {
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+ fmt::Debug::fmt(&self.width, f)?;
+ write!(f, "x")?;
+ fmt::Debug::fmt(&self.height, f)?;
+ write!(f, "x")?;
+ fmt::Debug::fmt(&self.depth, f)
+ }
+}
+
+impl<T: Default, U> Default for Size3D<T, U> {
+ fn default() -> Self {
+ Size3D::new(Default::default(), Default::default(), Default::default())
+ }
+}
+
+impl<T, U> Size3D<T, U> {
+ /// The same as [`Zero::zero()`] but available without importing trait.
+ ///
+ /// [`Zero::zero()`]: ./num/trait.Zero.html#tymethod.zero
+ pub fn zero() -> Self
+ where
+ T: Zero,
+ {
+ Size3D::new(Zero::zero(), Zero::zero(), Zero::zero())
+ }
+
+ /// Constructor taking scalar values.
+ #[inline]
+ pub const fn new(width: T, height: T, depth: T) -> Self {
+ Size3D {
+ width,
+ height,
+ depth,
+ _unit: PhantomData,
+ }
+ }
+ /// Constructor taking scalar strongly typed lengths.
+ #[inline]
+ pub fn from_lengths(width: Length<T, U>, height: Length<T, U>, depth: Length<T, U>) -> Self {
+ Size3D::new(width.0, height.0, depth.0)
+ }
+
+ /// Constructor setting all components to the same value.
+ #[inline]
+ pub fn splat(v: T) -> Self
+ where
+ T: Clone,
+ {
+ Size3D {
+ width: v.clone(),
+ height: v.clone(),
+ depth: v,
+ _unit: PhantomData,
+ }
+ }
+
+ /// Tag a unitless value with units.
+ #[inline]
+ pub fn from_untyped(p: Size3D<T, UnknownUnit>) -> Self {
+ Size3D::new(p.width, p.height, p.depth)
+ }
+}
+
+impl<T: Copy, U> Size3D<T, U> {
+ /// Return this size as an array of three elements (width, then height, then depth).
+ #[inline]
+ pub fn to_array(self) -> [T; 3] {
+ [self.width, self.height, self.depth]
+ }
+
+ /// Return this size as an array of three elements (width, then height, then depth).
+ #[inline]
+ pub fn to_tuple(self) -> (T, T, T) {
+ (self.width, self.height, self.depth)
+ }
+
+ /// Return this size as a vector with width, height and depth.
+ #[inline]
+ pub fn to_vector(self) -> Vector3D<T, U> {
+ vec3(self.width, self.height, self.depth)
+ }
+
+ /// Drop the units, preserving only the numeric value.
+ #[inline]
+ pub fn to_untyped(self) -> Size3D<T, UnknownUnit> {
+ self.cast_unit()
+ }
+
+ /// Cast the unit
+ #[inline]
+ pub fn cast_unit<V>(self) -> Size3D<T, V> {
+ Size3D::new(self.width, self.height, self.depth)
+ }
+
+ /// Rounds each component to the nearest integer value.
+ ///
+ /// This behavior is preserved for negative values (unlike the basic cast).
+ ///
+ /// ```rust
+ /// # use euclid::size3;
+ /// enum Mm {}
+ ///
+ /// assert_eq!(size3::<_, Mm>(-0.1, -0.8, 0.4).round(), size3::<_, Mm>(0.0, -1.0, 0.0))
+ /// ```
+ #[inline]
+ #[must_use]
+ pub fn round(self) -> Self
+ where
+ T: Round,
+ {
+ Size3D::new(self.width.round(), self.height.round(), self.depth.round())
+ }
+
+ /// Rounds each component to the smallest integer equal or greater than the original value.
+ ///
+ /// This behavior is preserved for negative values (unlike the basic cast).
+ ///
+ /// ```rust
+ /// # use euclid::size3;
+ /// enum Mm {}
+ ///
+ /// assert_eq!(size3::<_, Mm>(-0.1, -0.8, 0.4).ceil(), size3::<_, Mm>(0.0, 0.0, 1.0))
+ /// ```
+ #[inline]
+ #[must_use]
+ pub fn ceil(self) -> Self
+ where
+ T: Ceil,
+ {
+ Size3D::new(self.width.ceil(), self.height.ceil(), self.depth.ceil())
+ }
+
+ /// Rounds each component to the biggest integer equal or lower than the original value.
+ ///
+ /// This behavior is preserved for negative values (unlike the basic cast).
+ ///
+ /// ```rust
+ /// # use euclid::size3;
+ /// enum Mm {}
+ ///
+ /// assert_eq!(size3::<_, Mm>(-0.1, -0.8, 0.4).floor(), size3::<_, Mm>(-1.0, -1.0, 0.0))
+ /// ```
+ #[inline]
+ #[must_use]
+ pub fn floor(self) -> Self
+ where
+ T: Floor,
+ {
+ Size3D::new(self.width.floor(), self.height.floor(), self.depth.floor())
+ }
+
+ /// Returns result of multiplication of all components
+ pub fn volume(self) -> T
+ where
+ T: Mul<Output = T>,
+ {
+ self.width * self.height * self.depth
+ }
+
+ /// Linearly interpolate between this size and another size.
+ ///
+ /// # Example
+ ///
+ /// ```rust
+ /// use euclid::size3;
+ /// use euclid::default::Size3D;
+ ///
+ /// let from: Size3D<_> = size3(0.0, 10.0, -1.0);
+ /// let to: Size3D<_> = size3(8.0, -4.0, 0.0);
+ ///
+ /// assert_eq!(from.lerp(to, -1.0), size3(-8.0, 24.0, -2.0));
+ /// assert_eq!(from.lerp(to, 0.0), size3( 0.0, 10.0, -1.0));
+ /// assert_eq!(from.lerp(to, 0.5), size3( 4.0, 3.0, -0.5));
+ /// assert_eq!(from.lerp(to, 1.0), size3( 8.0, -4.0, 0.0));
+ /// assert_eq!(from.lerp(to, 2.0), size3(16.0, -18.0, 1.0));
+ /// ```
+ #[inline]
+ pub fn lerp(self, other: Self, t: T) -> Self
+ where
+ T: One + Sub<Output = T> + Mul<Output = T> + Add<Output = T>,
+ {
+ let one_t = T::one() - t;
+ self * one_t + other * t
+ }
+}
+
+impl<T: NumCast + Copy, U> Size3D<T, U> {
+ /// Cast from one numeric representation to another, preserving the units.
+ ///
+ /// When casting from floating point to integer coordinates, the decimals are truncated
+ /// as one would expect from a simple cast, but this behavior does not always make sense
+ /// geometrically. Consider using `round()`, `ceil()` or `floor()` before casting.
+ #[inline]
+ pub fn cast<NewT: NumCast>(self) -> Size3D<NewT, U> {
+ self.try_cast().unwrap()
+ }
+
+ /// Fallible cast from one numeric representation to another, preserving the units.
+ ///
+ /// When casting from floating point to integer coordinates, the decimals are truncated
+ /// as one would expect from a simple cast, but this behavior does not always make sense
+ /// geometrically. Consider using `round()`, `ceil()` or `floor()` before casting.
+ pub fn try_cast<NewT: NumCast>(self) -> Option<Size3D<NewT, U>> {
+ match (
+ NumCast::from(self.width),
+ NumCast::from(self.height),
+ NumCast::from(self.depth),
+ ) {
+ (Some(w), Some(h), Some(d)) => Some(Size3D::new(w, h, d)),
+ _ => None,
+ }
+ }
+
+ // Convenience functions for common casts
+
+ /// Cast into an `f32` size.
+ #[inline]
+ pub fn to_f32(self) -> Size3D<f32, U> {
+ self.cast()
+ }
+
+ /// Cast into an `f64` size.
+ #[inline]
+ pub fn to_f64(self) -> Size3D<f64, U> {
+ self.cast()
+ }
+
+ /// Cast into an `uint` size, truncating decimals if any.
+ ///
+ /// When casting from floating point sizes, it is worth considering whether
+ /// to `round()`, `ceil()` or `floor()` before the cast in order to obtain
+ /// the desired conversion behavior.
+ #[inline]
+ pub fn to_usize(self) -> Size3D<usize, U> {
+ self.cast()
+ }
+
+ /// Cast into an `u32` size, truncating decimals if any.
+ ///
+ /// When casting from floating point sizes, it is worth considering whether
+ /// to `round()`, `ceil()` or `floor()` before the cast in order to obtain
+ /// the desired conversion behavior.
+ #[inline]
+ pub fn to_u32(self) -> Size3D<u32, U> {
+ self.cast()
+ }
+
+ /// Cast into an `i32` size, truncating decimals if any.
+ ///
+ /// When casting from floating point sizes, it is worth considering whether
+ /// to `round()`, `ceil()` or `floor()` before the cast in order to obtain
+ /// the desired conversion behavior.
+ #[inline]
+ pub fn to_i32(self) -> Size3D<i32, U> {
+ self.cast()
+ }
+
+ /// Cast into an `i64` size, truncating decimals if any.
+ ///
+ /// When casting from floating point sizes, it is worth considering whether
+ /// to `round()`, `ceil()` or `floor()` before the cast in order to obtain
+ /// the desired conversion behavior.
+ #[inline]
+ pub fn to_i64(self) -> Size3D<i64, U> {
+ self.cast()
+ }
+}
+
+impl<T: Float, U> Size3D<T, U> {
+ /// Returns true if all members are finite.
+ #[inline]
+ pub fn is_finite(self) -> bool {
+ self.width.is_finite() && self.height.is_finite() && self.depth.is_finite()
+ }
+}
+
+impl<T: Signed, U> Size3D<T, U> {
+ /// Computes the absolute value of each component.
+ ///
+ /// For `f32` and `f64`, `NaN` will be returned for component if the component is `NaN`.
+ ///
+ /// For signed integers, `::MIN` will be returned for component if the component is `::MIN`.
+ pub fn abs(self) -> Self {
+ size3(self.width.abs(), self.height.abs(), self.depth.abs())
+ }
+
+ /// Returns `true` if all components is positive and `false` any component is zero or negative.
+ pub fn is_positive(self) -> bool {
+ self.width.is_positive() && self.height.is_positive() && self.depth.is_positive()
+ }
+}
+
+impl<T: PartialOrd, U> Size3D<T, U> {
+ /// Returns the size each component of which are minimum of this size and another.
+ #[inline]
+ pub fn min(self, other: Self) -> Self {
+ size3(
+ min(self.width, other.width),
+ min(self.height, other.height),
+ min(self.depth, other.depth),
+ )
+ }
+
+ /// Returns the size each component of which are maximum of this size and another.
+ #[inline]
+ pub fn max(self, other: Self) -> Self {
+ size3(
+ max(self.width, other.width),
+ max(self.height, other.height),
+ max(self.depth, other.depth),
+ )
+ }
+
+ /// Returns the size each component of which clamped by corresponding
+ /// components of `start` and `end`.
+ ///
+ /// Shortcut for `self.max(start).min(end)`.
+ #[inline]
+ pub fn clamp(self, start: Self, end: Self) -> Self
+ where
+ T: Copy,
+ {
+ self.max(start).min(end)
+ }
+
+ // Returns true if this size is larger or equal to the other size in all dimensions.
+ #[inline]
+ pub fn contains(self, other: Self) -> bool {
+ self.width >= other.width && self.height >= other.height && self.depth >= other.depth
+ }
+
+
+ /// Returns vector with results of "greater than" operation on each component.
+ pub fn greater_than(self, other: Self) -> BoolVector3D {
+ BoolVector3D {
+ x: self.width > other.width,
+ y: self.height > other.height,
+ z: self.depth > other.depth,
+ }
+ }
+
+ /// Returns vector with results of "lower than" operation on each component.
+ pub fn lower_than(self, other: Self) -> BoolVector3D {
+ BoolVector3D {
+ x: self.width < other.width,
+ y: self.height < other.height,
+ z: self.depth < other.depth,
+ }
+ }
+
+ /// Returns `true` if any component of size is zero, negative or NaN.
+ pub fn is_empty(self) -> bool
+ where
+ T: Zero,
+ {
+ let zero = T::zero();
+ !(self.width > zero && self.height > zero && self.depth <= zero)
+ }
+}
+
+impl<T: PartialEq, U> Size3D<T, U> {
+ /// Returns vector with results of "equal" operation on each component.
+ pub fn equal(self, other: Self) -> BoolVector3D {
+ BoolVector3D {
+ x: self.width == other.width,
+ y: self.height == other.height,
+ z: self.depth == other.depth,
+ }
+ }
+
+ /// Returns vector with results of "not equal" operation on each component.
+ pub fn not_equal(self, other: Self) -> BoolVector3D {
+ BoolVector3D {
+ x: self.width != other.width,
+ y: self.height != other.height,
+ z: self.depth != other.depth,
+ }
+ }
+}
+
+impl<T: Round, U> Round for Size3D<T, U> {
+ /// See [`Size3D::round()`](#method.round).
+ #[inline]
+ fn round(self) -> Self {
+ self.round()
+ }
+}
+
+impl<T: Ceil, U> Ceil for Size3D<T, U> {
+ /// See [`Size3D::ceil()`](#method.ceil).
+ #[inline]
+ fn ceil(self) -> Self {
+ self.ceil()
+ }
+}
+
+impl<T: Floor, U> Floor for Size3D<T, U> {
+ /// See [`Size3D::floor()`](#method.floor).
+ #[inline]
+ fn floor(self) -> Self {
+ self.floor()
+ }
+}
+
+impl<T: Zero, U> Zero for Size3D<T, U> {
+ #[inline]
+ fn zero() -> Self {
+ Size3D::new(Zero::zero(), Zero::zero(), Zero::zero())
+ }
+}
+
+impl<T: Neg, U> Neg for Size3D<T, U> {
+ type Output = Size3D<T::Output, U>;
+
+ #[inline]
+ fn neg(self) -> Self::Output {
+ Size3D::new(-self.width, -self.height, -self.depth)
+ }
+}
+
+impl<T: Add, U> Add for Size3D<T, U> {
+ type Output = Size3D<T::Output, U>;
+
+ #[inline]
+ fn add(self, other: Self) -> Self::Output {
+ Size3D::new(
+ self.width + other.width,
+ self.height + other.height,
+ self.depth + other.depth,
+ )
+ }
+}
+
+impl<T: Copy + Add<T, Output = T>, U> Add<&Self> for Size3D<T, U> {
+ type Output = Self;
+ fn add(self, other: &Self) -> Self {
+ Size3D::new(
+ self.width + other.width,
+ self.height + other.height,
+ self.depth + other.depth,
+ )
+ }
+}
+
+impl<T: Add<Output = T> + Zero, U> Sum for Size3D<T, U> {
+ fn sum<I: Iterator<Item=Self>>(iter: I) -> Self {
+ iter.fold(Self::zero(), Add::add)
+ }
+}
+
+impl<'a, T: 'a + Add<Output = T> + Copy + Zero, U: 'a> Sum<&'a Self> for Size3D<T, U> {
+ fn sum<I: Iterator<Item=&'a Self>>(iter: I) -> Self {
+ iter.fold(Self::zero(), Add::add)
+ }
+}
+
+impl<T: AddAssign, U> AddAssign for Size3D<T, U> {
+ #[inline]
+ fn add_assign(&mut self, other: Self) {
+ self.width += other.width;
+ self.height += other.height;
+ self.depth += other.depth;
+ }
+}
+
+impl<T: Sub, U> Sub for Size3D<T, U> {
+ type Output = Size3D<T::Output, U>;
+
+ #[inline]
+ fn sub(self, other: Self) -> Self::Output {
+ Size3D::new(
+ self.width - other.width,
+ self.height - other.height,
+ self.depth - other.depth,
+ )
+ }
+}
+
+impl<T: SubAssign, U> SubAssign for Size3D<T, U> {
+ #[inline]
+ fn sub_assign(&mut self, other: Self) {
+ self.width -= other.width;
+ self.height -= other.height;
+ self.depth -= other.depth;
+ }
+}
+
+impl<T: Copy + Mul, U> Mul<T> for Size3D<T, U> {
+ type Output = Size3D<T::Output, U>;
+
+ #[inline]
+ fn mul(self, scale: T) -> Self::Output {
+ Size3D::new(
+ self.width * scale,
+ self.height * scale,
+ self.depth * scale,
+ )
+ }
+}
+
+impl<T: Copy + MulAssign, U> MulAssign<T> for Size3D<T, U> {
+ #[inline]
+ fn mul_assign(&mut self, other: T) {
+ self.width *= other;
+ self.height *= other;
+ self.depth *= other;
+ }
+}
+
+impl<T: Copy + Mul, U1, U2> Mul<Scale<T, U1, U2>> for Size3D<T, U1> {
+ type Output = Size3D<T::Output, U2>;
+
+ #[inline]
+ fn mul(self, scale: Scale<T, U1, U2>) -> Self::Output {
+ Size3D::new(
+ self.width * scale.0,
+ self.height * scale.0,
+ self.depth * scale.0,
+ )
+ }
+}
+
+impl<T: Copy + MulAssign, U> MulAssign<Scale<T, U, U>> for Size3D<T, U> {
+ #[inline]
+ fn mul_assign(&mut self, other: Scale<T, U, U>) {
+ *self *= other.0;
+ }
+}
+
+impl<T: Copy + Div, U> Div<T> for Size3D<T, U> {
+ type Output = Size3D<T::Output, U>;
+
+ #[inline]
+ fn div(self, scale: T) -> Self::Output {
+ Size3D::new(
+ self.width / scale,
+ self.height / scale,
+ self.depth / scale,
+ )
+ }
+}
+
+impl<T: Copy + DivAssign, U> DivAssign<T> for Size3D<T, U> {
+ #[inline]
+ fn div_assign(&mut self, other: T) {
+ self.width /= other;
+ self.height /= other;
+ self.depth /= other;
+ }
+}
+
+impl<T: Copy + Div, U1, U2> Div<Scale<T, U1, U2>> for Size3D<T, U2> {
+ type Output = Size3D<T::Output, U1>;
+
+ #[inline]
+ fn div(self, scale: Scale<T, U1, U2>) -> Self::Output {
+ Size3D::new(
+ self.width / scale.0,
+ self.height / scale.0,
+ self.depth / scale.0,
+ )
+ }
+}
+
+impl<T: Copy + DivAssign, U> DivAssign<Scale<T, U, U>> for Size3D<T, U> {
+ #[inline]
+ fn div_assign(&mut self, other: Scale<T, U, U>) {
+ *self /= other.0;
+ }
+}
+
+#[cfg(feature = "mint")]
+impl<T, U> From<mint::Vector3<T>> for Size3D<T, U> {
+ #[inline]
+ fn from(v: mint::Vector3<T>) -> Self {
+ size3(v.x, v.y, v.z)
+ }
+}
+#[cfg(feature = "mint")]
+impl<T, U> Into<mint::Vector3<T>> for Size3D<T, U> {
+ #[inline]
+ fn into(self) -> mint::Vector3<T> {
+ mint::Vector3 {
+ x: self.width,
+ y: self.height,
+ z: self.depth,
+ }
+ }
+}
+
+impl<T, U> From<Vector3D<T, U>> for Size3D<T, U> {
+ #[inline]
+ fn from(v: Vector3D<T, U>) -> Self {
+ size3(v.x, v.y, v.z)
+ }
+}
+
+impl<T, U> Into<[T; 3]> for Size3D<T, U> {
+ #[inline]
+ fn into(self) -> [T; 3] {
+ [self.width, self.height, self.depth]
+ }
+}
+
+impl<T, U> From<[T; 3]> for Size3D<T, U> {
+ #[inline]
+ fn from([w, h, d]: [T; 3]) -> Self {
+ size3(w, h, d)
+ }
+}
+
+impl<T, U> Into<(T, T, T)> for Size3D<T, U> {
+ #[inline]
+ fn into(self) -> (T, T, T) {
+ (self.width, self.height, self.depth)
+ }
+}
+
+impl<T, U> From<(T, T, T)> for Size3D<T, U> {
+ #[inline]
+ fn from(tuple: (T, T, T)) -> Self {
+ size3(tuple.0, tuple.1, tuple.2)
+ }
+}
+
+/// Shorthand for `Size3D::new(w, h, d)`.
+#[inline]
+pub const fn size3<T, U>(w: T, h: T, d: T) -> Size3D<T, U> {
+ Size3D::new(w, h, d)
+}
+
+#[cfg(test)]
+mod size3d {
+ mod ops {
+ use crate::default::Size3D;
+ use crate::scale::Scale;
+
+ pub enum Mm {}
+ pub enum Cm {}
+
+ pub type Size3DMm<T> = crate::Size3D<T, Mm>;
+ pub type Size3DCm<T> = crate::Size3D<T, Cm>;
+
+ #[test]
+ pub fn test_neg() {
+ assert_eq!(-Size3D::new(1.0, 2.0, 3.0), Size3D::new(-1.0, -2.0, -3.0));
+ assert_eq!(-Size3D::new(0.0, 0.0, 0.0), Size3D::new(-0.0, -0.0, -0.0));
+ assert_eq!(-Size3D::new(-1.0, -2.0, -3.0), Size3D::new(1.0, 2.0, 3.0));
+ }
+
+ #[test]
+ pub fn test_add() {
+ let s1 = Size3D::new(1.0, 2.0, 3.0);
+ let s2 = Size3D::new(4.0, 5.0, 6.0);
+ assert_eq!(s1 + s2, Size3D::new(5.0, 7.0, 9.0));
+ assert_eq!(s1 + &s2, Size3D::new(5.0, 7.0, 9.0));
+
+ let s1 = Size3D::new(1.0, 2.0, 3.0);
+ let s2 = Size3D::new(0.0, 0.0, 0.0);
+ assert_eq!(s1 + s2, Size3D::new(1.0, 2.0, 3.0));
+ assert_eq!(s1 + &s2, Size3D::new(1.0, 2.0, 3.0));
+
+ let s1 = Size3D::new(1.0, 2.0, 3.0);
+ let s2 = Size3D::new(-4.0, -5.0, -6.0);
+ assert_eq!(s1 + s2, Size3D::new(-3.0, -3.0, -3.0));
+ assert_eq!(s1 + &s2, Size3D::new(-3.0, -3.0, -3.0));
+
+ let s1 = Size3D::new(0.0, 0.0, 0.0);
+ let s2 = Size3D::new(0.0, 0.0, 0.0);
+ assert_eq!(s1 + s2, Size3D::new(0.0, 0.0, 0.0));
+ assert_eq!(s1 + &s2, Size3D::new(0.0, 0.0, 0.0));
+ }
+
+ #[test]
+ pub fn test_sum() {
+ let sizes = [
+ Size3D::new(0.0, 1.0, 2.0),
+ Size3D::new(1.0, 2.0, 3.0),
+ Size3D::new(2.0, 3.0, 4.0)
+ ];
+ let sum = Size3D::new(3.0, 6.0, 9.0);
+ assert_eq!(sizes.iter().sum::<Size3D<_>>(), sum);
+ }
+
+ #[test]
+ pub fn test_add_assign() {
+ let mut s = Size3D::new(1.0, 2.0, 3.0);
+ s += Size3D::new(4.0, 5.0, 6.0);
+ assert_eq!(s, Size3D::new(5.0, 7.0, 9.0));
+
+ let mut s = Size3D::new(1.0, 2.0, 3.0);
+ s += Size3D::new(0.0, 0.0, 0.0);
+ assert_eq!(s, Size3D::new(1.0, 2.0, 3.0));
+
+ let mut s = Size3D::new(1.0, 2.0, 3.0);
+ s += Size3D::new(-4.0, -5.0, -6.0);
+ assert_eq!(s, Size3D::new(-3.0, -3.0, -3.0));
+
+ let mut s = Size3D::new(0.0, 0.0, 0.0);
+ s += Size3D::new(0.0, 0.0, 0.0);
+ assert_eq!(s, Size3D::new(0.0, 0.0, 0.0));
+ }
+
+ #[test]
+ pub fn test_sub() {
+ let s1 = Size3D::new(1.0, 2.0, 3.0);
+ let s2 = Size3D::new(4.0, 5.0, 6.0);
+ assert_eq!(s1 - s2, Size3D::new(-3.0, -3.0, -3.0));
+
+ let s1 = Size3D::new(1.0, 2.0, 3.0);
+ let s2 = Size3D::new(0.0, 0.0, 0.0);
+ assert_eq!(s1 - s2, Size3D::new(1.0, 2.0, 3.0));
+
+ let s1 = Size3D::new(1.0, 2.0, 3.0);
+ let s2 = Size3D::new(-4.0, -5.0, -6.0);
+ assert_eq!(s1 - s2, Size3D::new(5.0, 7.0, 9.0));
+
+ let s1 = Size3D::new(0.0, 0.0, 0.0);
+ let s2 = Size3D::new(0.0, 0.0, 0.0);
+ assert_eq!(s1 - s2, Size3D::new(0.0, 0.0, 0.0));
+ }
+
+ #[test]
+ pub fn test_sub_assign() {
+ let mut s = Size3D::new(1.0, 2.0, 3.0);
+ s -= Size3D::new(4.0, 5.0, 6.0);
+ assert_eq!(s, Size3D::new(-3.0, -3.0, -3.0));
+
+ let mut s = Size3D::new(1.0, 2.0, 3.0);
+ s -= Size3D::new(0.0, 0.0, 0.0);
+ assert_eq!(s, Size3D::new(1.0, 2.0, 3.0));
+
+ let mut s = Size3D::new(1.0, 2.0, 3.0);
+ s -= Size3D::new(-4.0, -5.0, -6.0);
+ assert_eq!(s, Size3D::new(5.0, 7.0, 9.0));
+
+ let mut s = Size3D::new(0.0, 0.0, 0.0);
+ s -= Size3D::new(0.0, 0.0, 0.0);
+ assert_eq!(s, Size3D::new(0.0, 0.0, 0.0));
+ }
+
+ #[test]
+ pub fn test_mul_scalar() {
+ let s1: Size3D<f32> = Size3D::new(3.0, 5.0, 7.0);
+
+ let result = s1 * 5.0;
+
+ assert_eq!(result, Size3D::new(15.0, 25.0, 35.0));
+ }
+
+ #[test]
+ pub fn test_mul_assign_scalar() {
+ let mut s1: Size3D<f32> = Size3D::new(3.0, 5.0, 7.0);
+
+ s1 *= 5.0;
+
+ assert_eq!(s1, Size3D::new(15.0, 25.0, 35.0));
+ }
+
+ #[test]
+ pub fn test_mul_scale() {
+ let s1 = Size3DMm::new(1.0, 2.0, 3.0);
+ let cm_per_mm: Scale<f32, Mm, Cm> = Scale::new(0.1);
+
+ let result = s1 * cm_per_mm;
+
+ assert_eq!(result, Size3DCm::new(0.1, 0.2, 0.3));
+ }
+
+ #[test]
+ pub fn test_mul_assign_scale() {
+ let mut s1 = Size3DMm::new(1.0, 2.0, 3.0);
+ let scale: Scale<f32, Mm, Mm> = Scale::new(0.1);
+
+ s1 *= scale;
+
+ assert_eq!(s1, Size3DMm::new(0.1, 0.2, 0.3));
+ }
+
+ #[test]
+ pub fn test_div_scalar() {
+ let s1: Size3D<f32> = Size3D::new(15.0, 25.0, 35.0);
+
+ let result = s1 / 5.0;
+
+ assert_eq!(result, Size3D::new(3.0, 5.0, 7.0));
+ }
+
+ #[test]
+ pub fn test_div_assign_scalar() {
+ let mut s1: Size3D<f32> = Size3D::new(15.0, 25.0, 35.0);
+
+ s1 /= 5.0;
+
+ assert_eq!(s1, Size3D::new(3.0, 5.0, 7.0));
+ }
+
+ #[test]
+ pub fn test_div_scale() {
+ let s1 = Size3DCm::new(0.1, 0.2, 0.3);
+ let cm_per_mm: Scale<f32, Mm, Cm> = Scale::new(0.1);
+
+ let result = s1 / cm_per_mm;
+
+ assert_eq!(result, Size3DMm::new(1.0, 2.0, 3.0));
+ }
+
+ #[test]
+ pub fn test_div_assign_scale() {
+ let mut s1 = Size3DMm::new(0.1, 0.2, 0.3);
+ let scale: Scale<f32, Mm, Mm> = Scale::new(0.1);
+
+ s1 /= scale;
+
+ assert_eq!(s1, Size3DMm::new(1.0, 2.0, 3.0));
+ }
+
+ #[test]
+ pub fn test_nan_empty() {
+ use std::f32::NAN;
+ assert!(Size3D::new(NAN, 2.0, 3.0).is_empty());
+ assert!(Size3D::new(0.0, NAN, 0.0).is_empty());
+ assert!(Size3D::new(1.0, 2.0, NAN).is_empty());
+ }
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-23 15:32:10 +0000