| // 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::marker::PhantomData; |
| use core::ops::{Add, AddAssign, Div, DivAssign, Mul, MulAssign, Neg, Sub, SubAssign}; |
| use num_traits::{NumCast, Signed}; |
| #[cfg(feature = "serde")] |
| use serde; |
| |
| /// 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) |
| } |
| } |
| |
| 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) |
| } |
| |
| /// 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: 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 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: 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)); |
| |
| 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(-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)); |
| } |
| |
| #[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_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) |
| } |
| } |
| |
| 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) |
| } |
| |
| /// 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: 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 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: 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)); |
| |
| 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(-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)); |
| } |
| |
| #[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()); |
| } |
| } |
| } |
