devela::_dep::fontdue::layout

Struct LinePosition

pub struct LinePosition {
    pub baseline_y: f32,
    pub padding: f32,
    pub max_ascent: f32,
    pub min_descent: f32,
    pub max_line_gap: f32,
    pub max_new_line_size: f32,
    pub glyph_start: usize,
    pub glyph_end: usize,
    /* private fields */
}
Available on crate feature dep_fontdue only.
Expand description

Metrics about a positioned line.

Fields§

§baseline_y: f32

The y coordinate of the baseline of this line, in pixels.

§padding: f32

How much empty space is left at the end of the line before any alignment. If no max width is specified, f32::MAX is used.

§max_ascent: f32

The highest point that any glyph in the font extends to above the baseline. Typically positive. If there are multiple styles on this line, this is their max value.

§min_descent: f32

The lowest point that any glyph in the font extends to below the baseline. Typically negative. If there are multiple styles on this line, this is their min value.

§max_line_gap: f32

The gap to leave between the descent of one line and the ascent of the next. This is of course only a guideline given by the font’s designers. If there are multiple styles on this line, this is their max value.

§max_new_line_size: f32

A precalculated value for the of the line depending. It’s calculated by: ascent - descent + line_gap. If there are multiple styles on this line, this is their max value.

§glyph_start: usize

The GlyphPosition index of the first glyph in the line.

§glyph_end: usize

The GlyphPosition index of the last glyph in the line.

Trait Implementations§

§

impl Clone for LinePosition

§

fn clone(&self) -> LinePosition

Returns a copy of the value. Read more
1.0.0 · Source§

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

Performs copy-assignment from source. Read more
§

impl Debug for LinePosition

§

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

Formats the value using the given formatter. Read more
§

impl Default for LinePosition

§

fn default() -> LinePosition

Returns the “default value” for a type. Read more
§

impl Copy for LinePosition

Auto Trait Implementations§

Blanket Implementations§

Source§

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

Source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
Source§

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

Source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
Source§

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

Source§

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

Mutably borrows from an owned value. Read more
Source§

impl<T> ByteSized for T

Source§

const BYTE_ALIGN: usize = _

The alignment of this type in bytes.
Source§

const BYTE_SIZE: usize = _

The size of this type in bytes.
Source§

fn byte_align(&self) -> usize

Returns the alignment of this type in bytes.
Source§

fn byte_size(&self) -> usize

Returns the size of this type in bytes. Read more
Source§

fn ptr_size_ratio(&self) -> [usize; 2]

Returns the size ratio between Ptr::BYTES and BYTE_SIZE. Read more
Source§

impl<T, R> Chain<R> for T
where T: ?Sized,

Source§

fn chain<F>(self, f: F) -> R
where F: FnOnce(Self) -> R, Self: Sized,

Chain a function which takes the parameter by value.
Source§

fn chain_ref<F>(&self, f: F) -> R
where F: FnOnce(&Self) -> R,

Chain a function which takes the parameter by shared reference.
Source§

fn chain_mut<F>(&mut self, f: F) -> R
where F: FnOnce(&mut Self) -> R,

Chain a function which takes the parameter by exclusive reference.
Source§

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

Source§

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

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
Source§

impl<T> ExtAny for T
where T: Any + ?Sized,

Source§

fn type_id() -> TypeId

Returns the TypeId of Self. Read more
Source§

fn type_of(&self) -> TypeId

Returns the TypeId of self. Read more
Source§

fn type_name(&self) -> &'static str ⓘ

Returns the type name of self. Read more
Source§

fn type_is<T: 'static>(&self) -> bool

Returns true if Self is of type T. Read more
Source§

fn type_hash(&self) -> u64

Returns a deterministic hash of the TypeId of Self.
Source§

fn type_hash_with<H: Hasher>(&self, hasher: H) -> u64

Returns a deterministic hash of the TypeId of Self using a custom hasher.
Source§

fn as_any_ref(&self) -> &dyn Any
where Self: Sized,

Upcasts &self as &dyn Any. Read more
Source§

fn as_any_mut(&mut self) -> &mut dyn Any
where Self: Sized,

Upcasts &mut self as &mut dyn Any. Read more
Source§

fn as_any_box(self: Box<Self>) -> Box<dyn Any>
where Self: Sized,

Upcasts Box<self> as Box<dyn Any>. Read more
Source§

fn downcast_ref<T: 'static>(&self) -> Option<&T> ⓘ

Available on crate feature unsafe_layout only.
Returns some shared reference to the inner value if it is of type T. Read more
Source§

fn downcast_mut<T: 'static>(&mut self) -> Option<&mut T> ⓘ

Available on crate feature unsafe_layout only.
Returns some exclusive reference to the inner value if it is of type T. Read more
Source§

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

Source§

const NEEDS_DROP: bool = _

Know whether dropping values of this type matters, in compile-time.
Source§

fn mem_align_of<T>() -> usize

Returns the minimum alignment of the type in bytes. Read more
Source§

fn mem_align_of_val(&self) -> usize

Returns the alignment of the pointed-to value in bytes. Read more
Source§

fn mem_size_of<T>() -> usize

Returns the size of a type in bytes. Read more
Source§

fn mem_size_of_val(&self) -> usize

Returns the size of the pointed-to value in bytes. Read more
Source§

fn mem_copy(&self) -> Self
where Self: Copy,

Bitwise-copies a value. Read more
Source§

fn mem_needs_drop(&self) -> bool

Returns true if dropping values of this type matters. Read more
Source§

fn mem_drop(self)
where Self: Sized,

Drops self by running its destructor. Read more
Source§

fn mem_forget(self)
where Self: Sized,

Forgets about self without running its destructor. Read more
Source§

fn mem_replace(&mut self, other: Self) -> Self
where Self: Sized,

Replaces self with other, returning the previous value of self. Read more
Source§

fn mem_take(&mut self) -> Self
where Self: Default,

Replaces self with its default value, returning the previous value of self. Read more
Source§

fn mem_swap(&mut self, other: &mut Self)
where Self: Sized,

Swaps the value of self and other without deinitializing either one. Read more
Source§

unsafe fn mem_zeroed<T>() -> T

Available on crate feature unsafe_layout only.
Returns the value of type T represented by the all-zero byte-pattern. Read more
Source§

unsafe fn mem_transmute_copy<Src, Dst>(src: &Src) -> Dst

Available on crate feature unsafe_layout only.
Returns the value of type T represented by the all-zero byte-pattern. Read more
Source§

fn mem_as_bytes(&self) -> &[u8] ⓘ
where Self: Sync + Unpin,

Available on crate feature unsafe_slice only.
View a Sync + Unpin self as &[u8]. Read more
Source§

fn mem_as_bytes_mut(&mut self) -> &mut [u8] ⓘ
where Self: Sync + Unpin,

Available on crate feature unsafe_slice only.
View a Sync + Unpin self as &mut [u8]. Read more
Source§

impl<T> From<T> for T

Source§

fn from(t: T) -> T

Returns the argument unchanged.

§

impl<S> FromSample<S> for S

§

fn from_sample_(s: S) -> S

Source§

impl<T> Hook for T

Source§

fn hook_ref<F>(self, f: F) -> Self
where F: FnOnce(&Self),

Applies a function which takes the parameter by shared reference, and then returns the (possibly) modified owned value. Read more
Source§

fn hook_mut<F>(self, f: F) -> Self
where F: FnOnce(&mut Self),

Applies a function which takes the parameter by exclusive reference, and then returns the (possibly) modified owned value. Read more
§

impl<T> Instrument for T

§

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

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

fn in_current_span(self) -> Instrumented<Self> ⓘ

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

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

Source§

fn into(self) -> U

Calls U::from(self).

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

Source§

impl<T> IntoEither for T

Source§

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
Source§

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
§

impl<F, T> IntoSample<T> for F
where T: FromSample<F>,

§

fn into_sample(self) -> T

§

impl<T> Pointable for T

§

const ALIGN: usize

The alignment of pointer.
§

type Init = T

The type for initializers.
§

unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
§

unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
§

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
§

unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
Source§

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

Source§

type Owned = T

The resulting type after obtaining ownership.
Source§

fn to_owned(&self) -> T

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

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

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

impl<T, U> ToSample<U> for T
where U: FromSample<T>,

§

fn to_sample_(self) -> U

Source§

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

Source§

type Error = Infallible

The type returned in the event of a conversion error.
Source§

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

Performs the conversion.
Source§

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

Source§

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

The type returned in the event of a conversion error.
Source§

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

Performs the conversion.
§

impl<T> WithSubscriber for T

§

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> ⓘ
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
§

fn with_current_subscriber(self) -> WithDispatch<Self> ⓘ

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more
§

impl<S, T> Duplex<S> for T
where T: FromSample<S> + ToSample<S>,

§

impl<T> Ungil for T
where T: Send,