Struct FontFeature

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pub struct FontFeature<'a>(/* private fields */);

Expand description

Represents a feature in a FontFeatures configuration.

Implementations§

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impl FontFeature<'_>

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pub fn name(&self) -> FontFeatureName

Gets the OpenType name of the feature.

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pub fn state(&self) -> FontFeatureState

Gets the current state of the feature.

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pub fn is_enabled(&self) -> bool

If the feature is explicitly enabled.

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pub fn is_disabled(&self) -> bool

If the feature is explicitly disabled.

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pub fn is_auto(&self) -> bool

If the feature is auto enabled.

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pub fn set(self, state: impl Into<FontFeatureState>) -> FontFeatureState

Set the feature state.

Returns the previous state.

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pub fn enable(self)

Enable the feature.

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pub fn enable_alt(self, alt: NonZeroU32)

Enable the feature with alternative selection.

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pub fn disable(self)

Disable the feature.

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pub fn auto(self)

Set the feature to auto.

Trait Implementations§

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impl Debug for FontFeature<'_>

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl<'a> !UnwindSafe for FontFeature<'a>

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> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> FsChangeNote for T
where T: Debug + Any + Send + Sync,

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fn as_any(&self) -> &(dyn Any + 'static)

Access any.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided [Span], returning an Instrumented wrapper. Read more

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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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impl<T, U> Into 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> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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