webrender_api::units

Type Alias RasterVector2D

source
pub type RasterVector2D = Vector2D<f32, RasterPixel>;

Aliased Type§

struct RasterVector2D {
    pub x: f32,
    pub y: f32,
}

Fields§

§x: f32

The x (traditionally, horizontal) coordinate.

§y: f32

The y (traditionally, vertical) coordinate.

Implementations

source§

impl<T, U> Vector2D<T, U>

source

pub fn zero() -> Vector2D<T, U>
where T: Zero,

Constructor, setting all components to zero.

source

pub fn one() -> Vector2D<T, U>
where T: One,

Constructor, setting all components to one.

source

pub const fn new(x: T, y: T) -> Vector2D<T, U>

Constructor taking scalar values directly.

source

pub fn splat(v: T) -> Vector2D<T, U>
where T: Clone,

Constructor setting all components to the same value.

source

pub fn from_angle_and_length(angle: Angle<T>, length: T) -> Vector2D<T, U>
where T: Trig + Mul<Output = T> + Copy,

Constructor taking angle and length

source

pub fn from_lengths(x: Length<T, U>, y: Length<T, U>) -> Vector2D<T, U>

Constructor taking properly Lengths instead of scalar values.

source

pub fn from_untyped(p: Vector2D<T, UnknownUnit>) -> Vector2D<T, U>

Tag a unit-less value with units.

source

pub fn map<V, F>(self, f: F) -> Vector2D<V, U>
where F: FnMut(T) -> V,

Apply the function f to each component of this vector.

§Example

This may be used to perform unusual arithmetic which is not already offered as methods.

use euclid::default::Vector2D;

let p = Vector2D::<u32>::new(5, 11);
assert_eq!(p.map(|coord| coord.saturating_sub(10)), Vector2D::new(0, 1));
source

pub fn zip<V, F>(self, rhs: Vector2D<T, U>, f: F) -> Vector2D<V, U>
where F: FnMut(T, T) -> V,

Apply the function f to each pair of components of this point and rhs.

§Example

This may be used to perform unusual arithmetic which is not already offered as methods.

use euclid::default::Vector2D;

let a: Vector2D<u8> = Vector2D::new(50, 200);
let b: Vector2D<u8> = Vector2D::new(100, 100);
assert_eq!(a.zip(b, u8::saturating_add), Vector2D::new(150, 255));
source

pub fn abs(self) -> Vector2D<T, U>
where T: Signed,

Computes the vector with absolute values of each component.

§Example
enum U {}

assert_eq!(vec2::<_, U>(-1, 2).abs(), vec2(1, 2));

let vec = vec2::<_, U>(f32::NAN, -f32::MAX).abs();
assert!(vec.x.is_nan());
assert_eq!(vec.y, f32::MAX);
§Panics

The behavior for each component follows the scalar type’s implementation of num_traits::Signed::abs.

source

pub fn dot(self, other: Vector2D<T, U>) -> T
where T: Add<Output = T> + Mul<Output = T>,

Dot product.

source

pub fn cross(self, other: Vector2D<T, U>) -> T
where T: Sub<Output = T> + Mul<Output = T>,

Returns the norm of the cross product [self.x, self.y, 0] x [other.x, other.y, 0].

source

pub fn component_mul(self, other: Vector2D<T, U>) -> Vector2D<T, U>
where T: Mul<Output = T>,

Returns the component-wise multiplication of the two vectors.

source

pub fn component_div(self, other: Vector2D<T, U>) -> Vector2D<T, U>
where T: Div<Output = T>,

Returns the component-wise division of the two vectors.

source§

impl<T, U> Vector2D<T, U>
where T: Copy,

source

pub fn extend(self, z: T) -> Vector3D<T, U>

Create a 3d vector from this one, using the specified z value.

source

pub fn to_point(self) -> Point2D<T, U>

Cast this vector into a point.

Equivalent to adding this vector to the origin.

source

pub fn yx(self) -> Vector2D<T, U>

Swap x and y.

source

pub fn to_size(self) -> Size2D<T, U>

Cast this vector into a size.

source

pub fn to_untyped(self) -> Vector2D<T, UnknownUnit>

Drop the units, preserving only the numeric value.

source

pub fn cast_unit<V>(self) -> Vector2D<T, V>

Cast the unit.

source

pub fn to_array(self) -> [T; 2]

Cast into an array with x and y.

source

pub fn to_tuple(self) -> (T, T)

Cast into a tuple with x and y.

source

pub fn to_3d(self) -> Vector3D<T, U>
where T: Zero,

Convert into a 3d vector with z coordinate equals to T::zero().

source

pub fn round(self) -> Vector2D<T, U>
where T: Round,

Rounds each component to the nearest integer value.

This behavior is preserved for negative values (unlike the basic cast).

enum Mm {}

assert_eq!(vec2::<_, Mm>(-0.1, -0.8).round(), vec2::<_, Mm>(0.0, -1.0))
source

pub fn ceil(self) -> Vector2D<T, U>
where T: Ceil,

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).

enum Mm {}

assert_eq!(vec2::<_, Mm>(-0.1, -0.8).ceil(), vec2::<_, Mm>(0.0, 0.0))
source

pub fn floor(self) -> Vector2D<T, U>
where T: Floor,

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).

enum Mm {}

assert_eq!(vec2::<_, Mm>(-0.1, -0.8).floor(), vec2::<_, Mm>(-1.0, -1.0))
source

pub fn angle_from_x_axis(self) -> Angle<T>
where T: Trig,

Returns the signed angle between this vector and the x axis. Positive values counted counterclockwise, where 0 is +x axis, PI/2 is +y axis.

The returned angle is between -PI and PI.

source

pub fn to_transform(self) -> Transform2D<T, U, U>
where T: Zero + One,

Creates translation by this vector in vector units.

source§

impl<T, U> Vector2D<T, U>
where T: Copy + Mul<Output = T> + Add<Output = T>,

source

pub fn square_length(self) -> T

Returns the vector’s length squared.

source

pub fn project_onto_vector(self, onto: Vector2D<T, U>) -> Vector2D<T, U>
where T: Sub<Output = T> + Div<Output = T>,

Returns this vector projected onto another one.

Projecting onto a nil vector will cause a division by zero.

source

pub fn angle_to(self, other: Vector2D<T, U>) -> Angle<T>
where T: Sub<Output = T> + Trig,

Returns the signed angle between this vector and another vector.

The returned angle is between -PI and PI.

source§

impl<T, U> Vector2D<T, U>
where T: Float,

source

pub fn robust_normalize(self) -> Vector2D<T, U>

Return the normalized vector even if the length is larger than the max value of Float.

source

pub fn is_finite(self) -> bool

Returns true if all members are finite.

source§

impl<T, U> Vector2D<T, U>
where T: Real,

source

pub fn length(self) -> T

Returns the vector length.

source

pub fn normalize(self) -> Vector2D<T, U>

Returns the vector with length of one unit.

source

pub fn try_normalize(self) -> Option<Vector2D<T, U>>

Returns the vector with length of one unit.

Unlike Vector2D::normalize, this returns None in the case that the length of the vector is zero.

source

pub fn with_length(self, length: T) -> Vector2D<T, U>

Return this vector scaled to fit the provided length.

source

pub fn with_max_length(self, max_length: T) -> Vector2D<T, U>

Return this vector capped to a maximum length.

source

pub fn with_min_length(self, min_length: T) -> Vector2D<T, U>

Return this vector with a minimum length applied.

source

pub fn clamp_length(self, min: T, max: T) -> Vector2D<T, U>

Return this vector with minimum and maximum lengths applied.

source§

impl<T, U> Vector2D<T, U>
where T: One + Add<Output = T> + Sub<Output = T> + Mul<Output = T> + Copy,

source

pub fn lerp(self, other: Vector2D<T, U>, t: T) -> Vector2D<T, U>

Linearly interpolate each component between this vector and another vector.

§Example
use euclid::vec2;
use euclid::default::Vector2D;

let from: Vector2D<_> = vec2(0.0, 10.0);
let to:  Vector2D<_> = vec2(8.0, -4.0);

assert_eq!(from.lerp(to, -1.0), vec2(-8.0,  24.0));
assert_eq!(from.lerp(to,  0.0), vec2( 0.0,  10.0));
assert_eq!(from.lerp(to,  0.5), vec2( 4.0,   3.0));
assert_eq!(from.lerp(to,  1.0), vec2( 8.0,  -4.0));
assert_eq!(from.lerp(to,  2.0), vec2(16.0, -18.0));
source

pub fn reflect(self, normal: Vector2D<T, U>) -> Vector2D<T, U>

Returns a reflection vector using an incident ray and a surface normal.

source§

impl<T, U> Vector2D<T, U>
where T: PartialOrd,

source

pub fn min(self, other: Vector2D<T, U>) -> Vector2D<T, U>

Returns the vector each component of which are minimum of this vector and another.

source

pub fn max(self, other: Vector2D<T, U>) -> Vector2D<T, U>

Returns the vector each component of which are maximum of this vector and another.

source

pub fn clamp(self, start: Vector2D<T, U>, end: Vector2D<T, U>) -> Vector2D<T, U>
where T: Copy,

Returns the vector each component of which is clamped by corresponding components of start and end.

Shortcut for self.max(start).min(end).

source

pub fn greater_than(self, other: Vector2D<T, U>) -> BoolVector2D

Returns vector with results of “greater than” operation on each component.

source

pub fn lower_than(self, other: Vector2D<T, U>) -> BoolVector2D

Returns vector with results of “lower than” operation on each component.

source§

impl<T, U> Vector2D<T, U>
where T: PartialEq,

source

pub fn equal(self, other: Vector2D<T, U>) -> BoolVector2D

Returns vector with results of “equal” operation on each component.

source

pub fn not_equal(self, other: Vector2D<T, U>) -> BoolVector2D

Returns vector with results of “not equal” operation on each component.

source§

impl<T, U> Vector2D<T, U>
where T: NumCast + Copy,

source

pub fn cast<NewT>(self) -> Vector2D<NewT, U>
where NewT: NumCast,

Cast from one numeric representation to another, preserving the units.

When casting from floating vector 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.

source

pub fn try_cast<NewT>(self) -> Option<Vector2D<NewT, U>>
where NewT: NumCast,

Fallible cast from one numeric representation to another, preserving the units.

When casting from floating vector 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.

source

pub fn to_f32(self) -> Vector2D<f32, U>

Cast into an f32 vector.

source

pub fn to_f64(self) -> Vector2D<f64, U>

Cast into an f64 vector.

source

pub fn to_usize(self) -> Vector2D<usize, U>

Cast into an usize vector, truncating decimals if any.

When casting from floating vector vectors, it is worth considering whether to round(), ceil() or floor() before the cast in order to obtain the desired conversion behavior.

source

pub fn to_u32(self) -> Vector2D<u32, U>

Cast into an u32 vector, truncating decimals if any.

When casting from floating vector vectors, it is worth considering whether to round(), ceil() or floor() before the cast in order to obtain the desired conversion behavior.

source

pub fn to_i32(self) -> Vector2D<i32, U>

Cast into an i32 vector, truncating decimals if any.

When casting from floating vector vectors, it is worth considering whether to round(), ceil() or floor() before the cast in order to obtain the desired conversion behavior.

source

pub fn to_i64(self) -> Vector2D<i64, U>

Cast into an i64 vector, truncating decimals if any.

When casting from floating vector vectors, it is worth considering whether to round(), ceil() or floor() before the cast in order to obtain the desired conversion behavior.

Trait Implementations

source§

impl<T, U> Add<&Vector2D<T, U>> for Vector2D<T, U>
where T: Add + Copy,

source§

type Output = Vector2D<<T as Add>::Output, U>

The resulting type after applying the + operator.
source§

fn add( self, other: &Vector2D<T, U>, ) -> <Vector2D<T, U> as Add<&Vector2D<T, U>>>::Output

Performs the + operation. Read more
source§

impl<T, U> Add for Vector2D<T, U>
where T: Add,

source§

type Output = Vector2D<<T as Add>::Output, U>

The resulting type after applying the + operator.
source§

fn add(self, other: Vector2D<T, U>) -> <Vector2D<T, U> as Add>::Output

Performs the + operation. Read more
source§

impl<T, U> AddAssign for Vector2D<T, U>
where T: Copy + Add<Output = T>,

source§

fn add_assign(&mut self, other: Vector2D<T, U>)

Performs the += operation. Read more
source§

impl<T, U> ApproxEq<Vector2D<T, U>> for Vector2D<T, U>
where T: ApproxEq<T>,

source§

fn approx_epsilon() -> Vector2D<T, U>

Default epsilon value
source§

fn approx_eq_eps(&self, other: &Vector2D<T, U>, eps: &Vector2D<T, U>) -> bool

Returns true if this object is approximately equal to the other one, using a provided epsilon value.
source§

fn approx_eq(&self, other: &Self) -> bool

Returns true if this object is approximately equal to the other one, using the approx_epsilon epsilon value.
source§

impl<T, U> Ceil for Vector2D<T, U>
where T: Ceil,

source§

fn ceil(self) -> Vector2D<T, U>

source§

impl<T, U> Clone for Vector2D<T, U>
where T: Clone,

source§

fn clone(&self) -> Vector2D<T, U>

Returns a copy of the value. Read more
1.0.0 · source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
source§

impl<T, U> Debug for Vector2D<T, U>
where T: Debug,

source§

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more
source§

impl<T, U> Default for Vector2D<T, U>
where T: Default,

source§

fn default() -> Vector2D<T, U>

Returns the “default value” for a type. Read more
source§

impl<'de, T, U> Deserialize<'de> for Vector2D<T, U>
where T: Deserialize<'de>,

source§

fn deserialize<D>( deserializer: D, ) -> Result<Vector2D<T, U>, <D as Deserializer<'de>>::Error>
where D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
source§

impl<T, U1, U2> Div<Scale<T, U1, U2>> for Vector2D<T, U2>
where T: Copy + Div,

source§

type Output = Vector2D<<T as Div>::Output, U1>

The resulting type after applying the / operator.
source§

fn div( self, scale: Scale<T, U1, U2>, ) -> <Vector2D<T, U2> as Div<Scale<T, U1, U2>>>::Output

Performs the / operation. Read more
source§

impl<T, U> Div<T> for Vector2D<T, U>
where T: Copy + Div,

source§

type Output = Vector2D<<T as Div>::Output, U>

The resulting type after applying the / operator.
source§

fn div(self, scale: T) -> <Vector2D<T, U> as Div<T>>::Output

Performs the / operation. Read more
source§

impl<T, U> DivAssign<Scale<T, U, U>> for Vector2D<T, U>
where T: Copy + DivAssign,

source§

fn div_assign(&mut self, scale: Scale<T, U, U>)

Performs the /= operation. Read more
source§

impl<T, U> DivAssign<T> for Vector2D<T, U>
where T: Copy + Div<Output = T>,

source§

fn div_assign(&mut self, scale: T)

Performs the /= operation. Read more
source§

impl<T, U> Floor for Vector2D<T, U>
where T: Floor,

source§

fn floor(self) -> Vector2D<T, U>

source§

impl<T, U> From<[T; 2]> for Vector2D<T, U>

source§

fn from(_: [T; 2]) -> Vector2D<T, U>

Converts to this type from the input type.
source§

impl<T, U> From<(T, T)> for Vector2D<T, U>

source§

fn from(tuple: (T, T)) -> Vector2D<T, U>

Converts to this type from the input type.
source§

impl<T, U> From<Size2D<T, U>> for Vector2D<T, U>

source§

fn from(s: Size2D<T, U>) -> Vector2D<T, U>

Converts to this type from the input type.
source§

impl<T, Src, Dst> From<Translation2D<T, Src, Dst>> for Vector2D<T, Src>

source§

fn from(t: Translation2D<T, Src, Dst>) -> Vector2D<T, Src>

Converts to this type from the input type.
source§

impl<T, U> Hash for Vector2D<T, U>
where T: Hash,

source§

fn hash<H>(&self, h: &mut H)
where H: Hasher,

Feeds this value into the given Hasher. Read more
1.3.0 · source§

fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
source§

impl<T, U> MallocSizeOf for Vector2D<T, U>
where T: MallocSizeOf,

source§

fn size_of(&self, ops: &mut MallocSizeOfOps) -> usize

Measure the heap usage of all descendant heap-allocated structures, but not the space taken up by the value itself.
source§

impl<T, U1, U2> Mul<Scale<T, U1, U2>> for Vector2D<T, U1>
where T: Copy + Mul,

source§

type Output = Vector2D<<T as Mul>::Output, U2>

The resulting type after applying the * operator.
source§

fn mul( self, scale: Scale<T, U1, U2>, ) -> <Vector2D<T, U1> as Mul<Scale<T, U1, U2>>>::Output

Performs the * operation. Read more
source§

impl<T, U> Mul<T> for Vector2D<T, U>
where T: Copy + Mul,

source§

type Output = Vector2D<<T as Mul>::Output, U>

The resulting type after applying the * operator.
source§

fn mul(self, scale: T) -> <Vector2D<T, U> as Mul<T>>::Output

Performs the * operation. Read more
source§

impl<T, U> MulAssign<Scale<T, U, U>> for Vector2D<T, U>
where T: Copy + MulAssign,

source§

fn mul_assign(&mut self, scale: Scale<T, U, U>)

Performs the *= operation. Read more
source§

impl<T, U> MulAssign<T> for Vector2D<T, U>
where T: Copy + Mul<Output = T>,

source§

fn mul_assign(&mut self, scale: T)

Performs the *= operation. Read more
source§

impl<T, U> Neg for Vector2D<T, U>
where T: Neg,

source§

type Output = Vector2D<<T as Neg>::Output, U>

The resulting type after applying the - operator.
source§

fn neg(self) -> <Vector2D<T, U> as Neg>::Output

Performs the unary - operation. Read more
source§

impl<T, U> PartialEq for Vector2D<T, U>
where T: PartialEq,

source§

fn eq(&self, other: &Vector2D<T, U>) -> bool

Tests for self and other values to be equal, and is used by ==.
1.0.0 · source§

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
source§

impl<T, U> Peek for Vector2D<T, U>
where T: Peek,

source§

unsafe fn peek_from(bytes: *const u8, output: *mut Vector2D<T, U>) -> *const u8

Deserialize from the buffer pointed to by bytes. Read more
source§

impl<T, U> Poke for Vector2D<T, U>
where T: Poke,

source§

fn max_size() -> usize

Return the maximum number of bytes that the serialized version of Self will occupy. Read more
source§

unsafe fn poke_into(&self, bytes: *mut u8) -> *mut u8

Serialize into the buffer pointed to by bytes. Read more
source§

impl<T, U> Round for Vector2D<T, U>
where T: Round,

source§

fn round(self) -> Vector2D<T, U>

source§

impl<T, U> Serialize for Vector2D<T, U>
where T: Serialize,

source§

fn serialize<S>( &self, serializer: S, ) -> Result<<S as Serializer>::Ok, <S as Serializer>::Error>
where S: Serializer,

Serialize this value into the given Serde serializer. Read more
source§

impl<T, U> Sub for Vector2D<T, U>
where T: Sub,

source§

type Output = Vector2D<<T as Sub>::Output, U>

The resulting type after applying the - operator.
source§

fn sub(self, other: Vector2D<T, U>) -> <Vector2D<T, U> as Sub>::Output

Performs the - operation. Read more
source§

impl<T, U> SubAssign for Vector2D<T, U>
where T: Copy + Sub<Output = T>,

source§

fn sub_assign(&mut self, other: Vector2D<T, U>)

Performs the -= operation. Read more
source§

impl<'a, T, U> Sum<&'a Vector2D<T, U>> for Vector2D<T, U>
where T: 'a + Add<Output = T> + Copy + Zero, U: 'a,

source§

fn sum<I>(iter: I) -> Vector2D<T, U>
where I: Iterator<Item = &'a Vector2D<T, U>>,

Takes an iterator and generates Self from the elements by “summing up” the items.
source§

impl<T, U> Sum for Vector2D<T, U>
where T: Add<Output = T> + Zero,

source§

fn sum<I>(iter: I) -> Vector2D<T, U>
where I: Iterator<Item = Vector2D<T, U>>,

Takes an iterator and generates Self from the elements by “summing up” the items.
source§

impl<T, U> Zero for Vector2D<T, U>
where T: Zero,

source§

fn zero() -> Vector2D<T, U>

Constructor, setting all components to zero.

source§

impl<T, U> Copy for Vector2D<T, U>
where T: Copy,

source§

impl<T, U> Eq for Vector2D<T, U>
where T: Eq,