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ParagraphStyle

Struct ParagraphStyle 

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pub struct ParagraphStyle {
    pub align: TextAlign,
    pub direction: Option<TextDirection>,
    pub preserve_trailing_whitespace: bool,
    pub max_lines: Option<u32>,
    pub ellipsis: Option<String>,
}
Expand description

Paragraph-level knobs, fixed at build (Flutter’s ParagraphStyle).

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§align: TextAlign§direction: Option<TextDirection>

The bidi base level. None infers it from the first strong character (UAX #9 rules P2/P3); Some(..) forces it, which is what CSS direction and Canvas2D’s direction ask for. Forcing matters for text that is entirely neutral — digits and punctuation carry no direction of their own, so only the base level orders them.

§preserve_trailing_whitespace: bool

Include trailing whitespace in line advances. Canvas text enables this; paragraph layout defaults to trimmed line widths like SkParagraph.

§max_lines: Option<u32>

Stop wrapping after this many lines; content past them is dropped (see ellipsis).

§ellipsis: Option<String>

Spliced onto a truncated last line (shaped in that line’s trailing style), on the visual end matching the paragraph’s base direction.

Trait Implementations§

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impl Clone for ParagraphStyle

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fn clone(&self) -> ParagraphStyle

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 Debug for ParagraphStyle

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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 ParagraphStyle

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fn default() -> ParagraphStyle

Returns the “default value” for a type. Read more
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impl From<TextAlign> for ParagraphStyle

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fn from(align: TextAlign) -> Self

Converts to this type from the input type.

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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.