pub struct VariationValue<Number> {
    pub tag: FontTag,
    pub value: Number,
}
Expand description

Variation setting for a single feature, see:

https://drafts.csswg.org/css-fonts-4/#font-variation-settings-def

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§tag: FontTag

A four-character tag, packed into a u32 (one byte per character).

§value: Number

The actual value.

Trait Implementations§

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impl<Number> Animate for VariationValue<Number>where Number: Animate,

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fn animate(&self, other: &Self, procedure: Procedure) -> Result<Self, ()>

Animate a value towards another one, given an animation procedure.
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impl<Number: Clone> Clone for VariationValue<Number>

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fn clone(&self) -> VariationValue<Number>

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<Number> ComputeSquaredDistance for VariationValue<Number>where Number: ComputeSquaredDistance,

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fn compute_squared_distance(&self, other: &Self) -> Result<SquaredDistance, ()>

Computes the squared distance between two animatable values.
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impl<Number: Debug> Debug for VariationValue<Number>

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

Formats the value using the given formatter. Read more
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impl<Number> MallocSizeOf for VariationValue<Number>where Number: MallocSizeOf,

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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.
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impl Parse for VariationValue<Number>

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fn parse<'i, 't>( context: &ParserContext<'_>, input: &mut Parser<'i, 't> ) -> Result<Self, ParseError<'i>>

This is the <string> <number> part of the font-variation-settings syntax.

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impl<Number: PartialEq> PartialEq<VariationValue<Number>> for VariationValue<Number>

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fn eq(&self, other: &VariationValue<Number>) -> bool

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl<Number> SpecifiedValueInfo for VariationValue<Number>where Number: SpecifiedValueInfo,

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const SUPPORTED_TYPES: u8 = _

Supported CssTypes by the given value type. Read more
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fn collect_completion_keywords(_f: &mut dyn FnMut(&[&'static str]))

Collect value starting words for the given specified value type. This includes keyword and function names which can appear at the beginning of a value of this type. Read more
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impl<T> TaggedFontValue for VariationValue<T>

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fn tag(&self) -> FontTag

The value’s tag.
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impl<Number> ToComputedValue for VariationValue<Number>where Number: ToComputedValue,

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type ComputedValue = VariationValue<<Number as ToComputedValue>::ComputedValue>

The computed value type we’re going to be converted to.
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fn from_computed_value(from: &Self::ComputedValue) -> Self

Convert a computed value to specified value form. Read more
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fn to_computed_value(&self, context: &Context<'_>) -> Self::ComputedValue

Convert a specified value to a computed value, using itself and the data inside the Context.
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impl<Number> ToCss for VariationValue<Number>where Number: ToCss,

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fn to_css<W>(&self, dest: &mut CssWriter<'_, W>) -> Resultwhere W: Write,

Serialize self in CSS syntax, writing to dest.
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fn to_css_string(&self) -> String

Serialize self in CSS syntax and return a string. Read more
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impl<Number> ToResolvedValue for VariationValue<Number>where Number: ToResolvedValue,

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type ResolvedValue = VariationValue<<Number as ToResolvedValue>::ResolvedValue>

The resolved value type we’re going to be converted to.
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fn from_resolved_value(from: Self::ResolvedValue) -> Self

Convert a resolved value to resolved value form.
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fn to_resolved_value(self, context: &Context<'_>) -> Self::ResolvedValue

Convert a resolved value to a resolved value.
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impl<Number> ToShmem for VariationValue<Number>where Number: ToShmem,

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fn to_shmem(&self, builder: &mut SharedMemoryBuilder) -> Result<Self>

Clones this value into a form suitable for writing into a SharedMemoryBuilder. Read more
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impl<Number: Eq> Eq for VariationValue<Number>

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impl<Number> StructuralEq for VariationValue<Number>

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impl<Number> StructuralPartialEq for VariationValue<Number>

Auto Trait Implementations§

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impl<Number> RefUnwindSafe for VariationValue<Number>where Number: RefUnwindSafe,

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impl<Number> Send for VariationValue<Number>where Number: Send,

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impl<Number> Sync for VariationValue<Number>where Number: Sync,

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impl<Number> Unpin for VariationValue<Number>where Number: Unpin,

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impl<Number> UnwindSafe for VariationValue<Number>where Number: UnwindSafe,

Blanket Implementations§

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impl<T> Any for Twhere 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 Twhere 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 Twhere 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<Q, K> Equivalent<K> for Qwhere Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<Q, K> Equivalent<K> for Qwhere Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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impl<Q, K> Equivalent<K> for Qwhere Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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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 Twhere 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> MaybeBoxed<Box<T, Global>> for T

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fn maybe_boxed(self) -> Box<T, Global>

Convert
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impl<T> MaybeBoxed<T> for T

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fn maybe_boxed(self) -> T

Convert
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impl<T> Pointable for T

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const ALIGN: usize = _

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T> Same<T> for T

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type Output = T

Should always be Self
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impl<T> ToOwned for Twhere 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, U> TryFrom<U> for Twhere U: Into<T>,

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type Error = Infallible

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

Performs the conversion.
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impl<T, U> TryInto<U> for Twhere 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.
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impl<T> Erased for T