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Style

Struct Style 

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pub struct Style {
    pub italic: bool,
    pub weight: u16,
}
Expand description

Font selection / synthesis request. Carried through the shaper.

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§italic: bool

Caller wants italic. If the underlying face is already italic (Face::italic_angle() is non-zero), no synthesis is applied — the font already provides the slant. If the face is upright, the consumer applies a horizontal shear of tan(-DEFAULT_SYNTHETIC_ITALIC_DEG) (~12° forward slant) at outline-flatten time.

§weight: u16

OpenType usWeightClass value (100..=1000). Consumed by downstream rasterizers wanting to synthesise bold; the shaper itself doesn’t apply it (true bold should always come from a real Bold face when one is available).

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impl Style

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pub const REGULAR: Style

Upright, regular weight (400).

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pub fn regular() -> Self

Upright, regular weight — same as Style::REGULAR. Convenience for symmetry with italic().

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pub fn italic() -> Self

Italic, regular weight (400).

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pub fn with_italic(self, italic: bool) -> Self

Builder: set the italic flag.

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pub fn with_weight(self, weight: u16) -> Self

Builder: set the weight (clamped to 1..=1000 to keep the cache key well-defined; OpenType allows 100..=1000 in 100 increments but variable fonts can land any integer in between).

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impl Clone for Style

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fn clone(&self) -> Style

Returns a duplicate 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 Debug for Style

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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 Default for Style

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl PartialEq for Style

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

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

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

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impl Eq for Style

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impl StructuralPartialEq for Style

Auto Trait Implementations§

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impl Freeze for Style

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impl RefUnwindSafe for Style

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impl Send for Style

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impl Sync for Style

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impl Unpin for Style

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impl UnsafeUnpin for Style

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impl UnwindSafe for Style

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, U> TryFrom<U> for T
where 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 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.