pub struct FallbackTextMeasurer;Expand description
Fallback text measurer.
This implementation does not rely on any font engine. It uses a simple heuristic based on font size and character count. Intended for testing, bring-up, and environments without font support.
Trait Implementations§
Source§impl Debug for FallbackTextMeasurer
impl Debug for FallbackTextMeasurer
Source§impl Default for FallbackTextMeasurer
impl Default for FallbackTextMeasurer
Source§fn default() -> FallbackTextMeasurer
fn default() -> FallbackTextMeasurer
Returns the “default value” for a type. Read more
Source§impl TextMeasurer<TextStyle> for FallbackTextMeasurer
impl TextMeasurer<TextStyle> for FallbackTextMeasurer
fn measure( &self, request: &TextMeasureRequest<TextStyle>, ) -> Result<TextMetrics, TextMeasureError>
Auto Trait Implementations§
impl Freeze for FallbackTextMeasurer
impl RefUnwindSafe for FallbackTextMeasurer
impl Send for FallbackTextMeasurer
impl Sync for FallbackTextMeasurer
impl Unpin for FallbackTextMeasurer
impl UnwindSafe for FallbackTextMeasurer
Blanket Implementations§
Source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
§impl<S> FromSample<S> for S
impl<S> FromSample<S> for S
fn from_sample_(s: S) -> S
§impl<T> Instrument for T
impl<T> Instrument for T
§fn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
§fn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
Source§impl<T> IntoEither for T
impl<T> IntoEither for T
Source§fn into_either(self, into_left: bool) -> Either<Self, Self>
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 moreSource§fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
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§impl<F, T> IntoSample<T> for Fwhere
T: FromSample<F>,
impl<F, T> IntoSample<T> for Fwhere
T: FromSample<F>,
fn into_sample(self) -> T
§impl<T> Pointable for T
impl<T> Pointable for T
Source§impl<R, P> ReadPrimitive<R> for P
impl<R, P> ReadPrimitive<R> for P
Source§fn read_from_little_endian(read: &mut R) -> Result<Self, Error>
fn read_from_little_endian(read: &mut R) -> Result<Self, Error>
Read this value from the supplied reader. Same as
ReadEndian::read_from_little_endian().