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Length

Enum Length 

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pub enum Length {
    Px(f32),
    Percent(f32),
    Rem(f32),
    Em(f32),
    Vw(f32),
    Vh(f32),
    Dvh(f32),
    Dvw(f32),
    Auto,
    Zero,
}
Expand description

A CSS length value with unit

Variants§

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Px(f32)

Pixels (px)

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Percent(f32)

Percentage (%)

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Rem(f32)

Root em (rem) - relative to root font size

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Em(f32)

Em - relative to parent font size

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Vw(f32)

Viewport width (vw)

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Vh(f32)

Viewport height (vh)

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Dvh(f32)

Dynamic viewport height (dvh) - treated as vh for layout

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Dvw(f32)

Dynamic viewport width (dvw) - treated as vw for layout

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Auto

Auto length

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Zero

Zero (unitless)

Implementations§

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impl Length

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pub fn parse(s: &str) -> Option<Length>

Parse a CSS length string

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pub fn to_px( &self, parent_size: f32, root_size: f32, viewport: (f32, f32), ) -> f32

Convert to pixels given context values

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pub fn is_auto(&self) -> bool

Check if length is auto

Trait Implementations§

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impl Clone for Length

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fn clone(&self) -> Length

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
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impl Copy for Length

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impl Debug for Length

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

Formats the value using the given formatter. Read more
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impl Default for Length

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fn default() -> Length

Returns the “default value” for a type. Read more
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impl Display for Length

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

Formats the value using the given formatter. Read more
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impl PartialEq for Length

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fn eq(&self, other: &Length) -> bool

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

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

Inequality operator !=. Read more
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impl StructuralPartialEq for Length

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T> ToString for T
where T: Display + ?Sized,

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fn to_string(&self) -> String

Converts the given value to a String. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = !

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, !>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.