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Source snapshot · 12 October 2026

API reference / ravet_surface::bidi::BidiLine

ravet_surface::bidi

Struct BidiLine

pub struct BidiLine<'a> { /* private fields */ }

Expand description

Borrowed complete single-line text with resolved base/byte levels and visual runs, using unicode-bidi’s pinned Unicode 16.0 data. No wrapping, script/font segmentation, glyph mirroring/combining reordering, caret or native UI is added. The downstream shaper owns mirroring/marks within each original logical run.

Implementations§

impl<'a> BidiLine<'a>

pub fn new( text: &'a str, base: Option<TextDirection>, ) -> Result<Self, TextError>

Resolve <=4096 UTF8 bytes/<=512 visual runs. None selects first-strong base direction (LTR if no strong text); explicit direction overrides it. Controls, line/paragraph separators and noncharacters reject; directional formatting/isolate characters are allowed and retained in source ranges. Backend transient memory/time is not globally bounded; no audio callback.

pub fn text(&self) -> &'a str

pub fn base_direction(&self) -> TextDirection

pub fn byte_levels(&self) -> &[u8]

Embedding level per UTF8 byte; multi-byte characters repeat the same level.

pub fn visual_runs(&self) -> &[VisualTextRun]

pub fn run_text(&self, index: usize) -> Option<&'a str>

Trait Implementations§

impl<'a> Clone for BidiLine<'a>

fn clone(&self) -> BidiLine<'a>

Returns a duplicate of the value. Read more

1.0.0 (const: unstable) · §

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

Performs copy-assignment from source. Read more

impl<'a> Debug for BidiLine<'a>

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

Formats the value using the given formatter. Read more

impl<'a> Eq for BidiLine<'a>

impl<'a> PartialEq for BidiLine<'a>

fn eq(&self, other: &BidiLine<'a>) -> bool

Equality operator ==. Read more

1.0.0 (const: unstable) · §

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

Inequality operator !=. Read more

impl<'a> StructuralPartialEq for BidiLine<'a>

Auto Trait Implementations§

impl<'a> Freeze for BidiLine<'a>

impl<'a> RefUnwindSafe for BidiLine<'a>

impl<'a> Send for BidiLine<'a>

impl<'a> Sync for BidiLine<'a>

impl<'a> Unpin for BidiLine<'a>

impl<'a> UnsafeUnpin for BidiLine<'a>

impl<'a> UnwindSafe for BidiLine<'a>

Blanket Implementations§

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T
where T: ?Sized,

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more

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

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

Performs copy-assignment from self to dest. Read more

impl<T> ErasedDestructor for Twhere T: 'static,

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

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

fn into(self) -> U

Calls U::from(self).

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

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

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

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

type Error = Infallible

The type returned in the event of a conversion error.

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.