[−][src]Struct euclid::Translation2D
A 2d transformation from a space to another that can only express translations.
The main benefit of this type over a Vector2D is the ability to cast between a source and a destination spaces.
Example:
use euclid::{Translation2D, Point2D, point2}; struct ParentSpace; struct ChildSpace; type ScrollOffset = Translation2D<i32, ParentSpace, ChildSpace>; type ParentPoint = Point2D<i32, ParentSpace>; type ChildPoint = Point2D<i32, ChildSpace>; let scrolling = ScrollOffset::new(0, 100); let p1: ParentPoint = point2(0, 0); let p2: ChildPoint = scrolling.transform_point(p1);
Fields
x: T
y: T
Implementations
impl<T, Src, Dst> Translation2D<T, Src, Dst>
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pub const fn new(x: T, y: T) -> Self
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pub fn identity() -> Self where
T: Zero,
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T: Zero,
Creates no-op translation (both x
and y
is zero()
).
pub fn is_identity(&self) -> bool where
T: Zero + PartialEq,
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T: Zero + PartialEq,
Check if translation does nothing (both x and y is zero()
).
use euclid::default::Translation2D; assert_eq!(Translation2D::<f32>::identity().is_identity(), true); assert_eq!(Translation2D::new(0, 0).is_identity(), true); assert_eq!(Translation2D::new(1, 0).is_identity(), false); assert_eq!(Translation2D::new(0, 1).is_identity(), false);
pub fn transform_size(&self, s: Size2D<T, Src>) -> Size2D<T, Dst>
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No-op, just cast the unit.
impl<T: Copy, Src, Dst> Translation2D<T, Src, Dst>
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pub fn to_vector(&self) -> Vector2D<T, Src>
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Cast into a 2D vector.
pub fn to_array(&self) -> [T; 2]
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Cast into an array with x and y.
pub fn to_tuple(&self) -> (T, T)
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Cast into a tuple with x and y.
pub fn to_untyped(&self) -> Translation2D<T, UnknownUnit, UnknownUnit>
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Drop the units, preserving only the numeric value.
pub fn from_untyped(t: &Translation2D<T, UnknownUnit, UnknownUnit>) -> Self
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Tag a unitless value with units.
pub fn to_transform(&self) -> Transform2D<T, Src, Dst> where
T: Zero + One,
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T: Zero + One,
Returns the matrix representation of this translation.
pub fn transform_point(&self, p: Point2D<T, Src>) -> Point2D<T::Output, Dst> where
T: Add,
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T: Add,
Translate a point and cast its unit.
pub fn transform_rect(&self, r: &Rect<T, Src>) -> Rect<T::Output, Dst> where
T: Add<Output = T>,
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T: Add<Output = T>,
Translate a rectangle and cast its unit.
pub fn transform_box(&self, r: &Box2D<T, Src>) -> Box2D<T::Output, Dst> where
T: Add,
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T: Add,
Translate a 2D box and cast its unit.
pub fn inverse(&self) -> Translation2D<T::Output, Dst, Src> where
T: Neg,
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T: Neg,
Return the inverse transformation.
Trait Implementations
impl<T: Add, Src, Dst1, Dst2> Add<Translation2D<T, Dst1, Dst2>> for Translation2D<T, Src, Dst1>
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type Output = Translation2D<T::Output, Src, Dst2>
The resulting type after applying the +
operator.
fn add(self, other: Translation2D<T, Dst1, Dst2>) -> Self::Output
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impl<T: AddAssign, Src, Dst> AddAssign<Translation2D<T, Dst, Dst>> for Translation2D<T, Src, Dst>
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fn add_assign(&mut self, other: Translation2D<T, Dst, Dst>)
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impl<T: Clone, Src, Dst> Clone for Translation2D<T, Src, Dst>
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fn clone(&self) -> Self
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fn clone_from(&mut self, source: &Self)
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impl<T: Copy, Src, Dst> Copy for Translation2D<T, Src, Dst>
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impl<T: Debug, Src, Dst> Debug for Translation2D<T, Src, Dst>
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impl<T, Src, Dst> Default for Translation2D<T, Src, Dst> where
T: Zero,
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T: Zero,
impl<T: Display, Src, Dst> Display for Translation2D<T, Src, Dst>
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impl<T, Src, Dst> Eq for Translation2D<T, Src, Dst> where
T: Eq,
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T: Eq,
impl<T, Src, Dst> From<Vector2D<T, Src>> for Translation2D<T, Src, Dst>
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impl<T, Src, Dst> Hash for Translation2D<T, Src, Dst> where
T: Hash,
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T: Hash,
fn hash<H: Hasher>(&self, h: &mut H)
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fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
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H: Hasher,
impl<T, Src, Dst> Into<Transform2D<T, Src, Dst>> for Translation2D<T, Src, Dst> where
T: Zero + One,
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T: Zero + One,
fn into(self) -> Transform2D<T, Src, Dst>
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impl<T, Src, Dst> Into<Vector2D<T, Src>> for Translation2D<T, Src, Dst>
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impl<T, Src, Dst> PartialEq<Translation2D<T, Src, Dst>> for Translation2D<T, Src, Dst> where
T: PartialEq,
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T: PartialEq,
impl<T: Sub, Src, Dst1, Dst2> Sub<Translation2D<T, Dst1, Dst2>> for Translation2D<T, Src, Dst2>
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type Output = Translation2D<T::Output, Src, Dst1>
The resulting type after applying the -
operator.
fn sub(self, other: Translation2D<T, Dst1, Dst2>) -> Self::Output
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impl<T: SubAssign, Src, Dst> SubAssign<Translation2D<T, Dst, Dst>> for Translation2D<T, Src, Dst>
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fn sub_assign(&mut self, other: Translation2D<T, Dst, Dst>)
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Auto Trait Implementations
impl<T, Src, Dst> RefUnwindSafe for Translation2D<T, Src, Dst> where
Dst: RefUnwindSafe,
Src: RefUnwindSafe,
T: RefUnwindSafe,
Dst: RefUnwindSafe,
Src: RefUnwindSafe,
T: RefUnwindSafe,
impl<T, Src, Dst> Send for Translation2D<T, Src, Dst> where
Dst: Send,
Src: Send,
T: Send,
Dst: Send,
Src: Send,
T: Send,
impl<T, Src, Dst> Sync for Translation2D<T, Src, Dst> where
Dst: Sync,
Src: Sync,
T: Sync,
Dst: Sync,
Src: Sync,
T: Sync,
impl<T, Src, Dst> Unpin for Translation2D<T, Src, Dst> where
Dst: Unpin,
Src: Unpin,
T: Unpin,
Dst: Unpin,
Src: Unpin,
T: Unpin,
impl<T, Src, Dst> UnwindSafe for Translation2D<T, Src, Dst> where
Dst: UnwindSafe,
Src: UnwindSafe,
T: UnwindSafe,
Dst: UnwindSafe,
Src: UnwindSafe,
T: UnwindSafe,
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
fn to_owned(&self) -> T
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fn clone_into(&self, target: &mut T)
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impl<T> ToString for T where
T: Display + ?Sized,
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T: Display + ?Sized,
impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,