Struct og_image_writer::font_context::FontContext

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pub struct FontContext;

Expand description

You can specify global fallback font by using FontContext::push. NOTE: FontContext will be shared with other instance.

Implementations

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pub fn is_empty(&self) -> bool

Trait Implementations

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impl Default for FontContext

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fn default() -> FontContext

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

Auto Trait Implementations

impl RefUnwindSafe for FontContext

impl Send for FontContext

impl Sync for FontContext

impl Unpin for FontContext

impl UnwindSafe for FontContext

Blanket Implementations

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

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pub fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<Src, Scheme> ApproxFrom<Src, Scheme> for Src where
Scheme: ApproxScheme,

type Err = NoError

The error type produced by a failed conversion.

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pub fn approx_from(
src: Src
) -> Result<Src, <Src as ApproxFrom<Src, Scheme>>::Err>

Convert the given value into an approximately equivalent representation.

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impl<Dst, Src, Scheme> ApproxInto<Dst, Scheme> for Src where
Dst: ApproxFrom<Src, Scheme>,
Scheme: ApproxScheme,

type Err = <Dst as ApproxFrom<Src, Scheme>>::Err

The error type produced by a failed conversion.

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pub fn approx_into(self) -> Result<Dst, <Src as ApproxInto<Dst, Scheme>>::Err>

Convert the subject into an approximately equivalent representation.

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

const: unstable · source

pub 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,

const: unstable · source

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

Mutably borrows from an owned value. Read more

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impl<T, Dst> ConvAsUtil<Dst> for T

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fn approx(self) -> Result<Dst, Self::Err> where
Self: ApproxInto<Dst, DefaultApprox>,

Approximate the subject with the default scheme.

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fn approx_by<Scheme>(self) -> Result<Dst, Self::Err> where
Self: ApproxInto<Dst, Scheme>,
Scheme: ApproxScheme,

Approximate the subject with a specific scheme.

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impl<T> ConvUtil for T

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fn approx_as<Dst>(self) -> Result<Dst, Self::Err> where
Self: ApproxInto<Dst, DefaultApprox>,

Approximate the subject to a given type with the default scheme.

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fn approx_as_by<Dst, Scheme>(self) -> Result<Dst, Self::Err> where
Self: ApproxInto<Dst, Scheme>,
Scheme: ApproxScheme,

Approximate the subject to a given type with a specific scheme.

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fn into_as<Dst>(self) -> Dst where
Self: Into<Dst>,

Convert the subject to a given type.

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fn try_as<Dst>(self) -> Result<Dst, Self::Err> where
Self: TryInto<Dst>,

Attempt to convert the subject to a given type.

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fn value_as<Dst>(self) -> Result<Dst, Self::Err> where
Self: ValueInto<Dst>,

Attempt a value conversion of the subject to a given type.

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impl<T> From<T> for T

const: unstable · source

pub fn from(t: T) -> T

Performs the conversion.

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

const: unstable · source

pub fn into(self) -> U

Performs the conversion.

impl<T> Pointable for T

pub const ALIGN: usize

The alignment of pointer.

type Init = T

The type for initializers.

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

Initializes a with the given initializer. Read more

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

Dereferences the given pointer. Read more

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

Mutably dereferences the given pointer. Read more

pub unsafe fn drop(ptr: usize)

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

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impl<Src> TryFrom<Src> for Src

type Err = NoError

The error type produced by a failed conversion.

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pub fn try_from(src: Src) -> Result<Src, <Src as TryFrom<Src>>::Err>

Convert the given value into the subject type.

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

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

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

Performs the conversion.

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impl<Src, Dst> TryInto<Dst> for Src where
Dst: TryFrom<Src>,

type Err = <Dst as TryFrom<Src>>::Err

The error type produced by a failed conversion.

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pub fn try_into(self) -> Result<Dst, <Src as TryInto<Dst>>::Err>

Convert the subject into the destination type.

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

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

impl<V, T> VZip<V> for T where
V: MultiLane<T>,

pub fn vzip(self) -> V

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impl<Src> ValueFrom<Src> for Src

type Err = NoError

The error type produced by a failed conversion.

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pub fn value_from(src: Src) -> Result<Src, <Src as ValueFrom<Src>>::Err>

Convert the given value into an exactly equivalent representation.

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impl<Src, Dst> ValueInto<Dst> for Src where
Dst: ValueFrom<Src>,

type Err = <Dst as ValueFrom<Src>>::Err

The error type produced by a failed conversion.

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pub fn value_into(self) -> Result<Dst, <Src as ValueInto<Dst>>::Err>

Convert the subject into an exactly equivalent representation.

Struct og_image_writer::font_context::FontContext

Implementations

impl FontContext

pub fn new() -> FontContext

pub fn push(&mut self, data: Vec<u8>) -> Result<(), Error>

pub fn clear(&self)

pub fn len(&self) -> usize

pub fn is_empty(&self) -> bool

Trait Implementations

impl Default for FontContext

fn default() -> FontContext

Auto Trait Implementations

impl RefUnwindSafe for FontContext

impl Send for FontContext

impl Sync for FontContext

impl Unpin for FontContext

impl UnwindSafe for FontContext

Blanket Implementations

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

pub fn type_id(&self) -> TypeId

impl<Src, Scheme> ApproxFrom<Src, Scheme> for Src where Scheme: ApproxScheme,

type Err = NoError

pub fn approx_from( src: Src) -> Result<Src, <Src as ApproxFrom<Src, Scheme>>::Err>

impl<Dst, Src, Scheme> ApproxInto<Dst, Scheme> for Src where Dst: ApproxFrom<Src, Scheme>, Scheme: ApproxScheme,

type Err = <Dst as ApproxFrom<Src, Scheme>>::Err

pub fn approx_into(self) -> Result<Dst, <Src as ApproxInto<Dst, Scheme>>::Err>

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

pub fn borrow(&self) -> &T

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

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

impl<T, Dst> ConvAsUtil<Dst> for T

fn approx(self) -> Result<Dst, Self::Err> where Self: ApproxInto<Dst, DefaultApprox>,

fn approx_by<Scheme>(self) -> Result<Dst, Self::Err> where Self: ApproxInto<Dst, Scheme>, Scheme: ApproxScheme,

impl<T> ConvUtil for T

fn approx_as<Dst>(self) -> Result<Dst, Self::Err> where Self: ApproxInto<Dst, DefaultApprox>,

fn approx_as_by<Dst, Scheme>(self) -> Result<Dst, Self::Err> where Self: ApproxInto<Dst, Scheme>, Scheme: ApproxScheme,

fn into_as<Dst>(self) -> Dst where Self: Into<Dst>,

fn try_as<Dst>(self) -> Result<Dst, Self::Err> where Self: TryInto<Dst>,

fn value_as<Dst>(self) -> Result<Dst, Self::Err> where Self: ValueInto<Dst>,

impl<T> From<T> for T

pub fn from(t: T) -> T

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

pub fn into(self) -> U

impl<T> Pointable for T

pub const ALIGN: usize

type Init = T

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

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

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

pub unsafe fn drop(ptr: usize)

impl<Src> TryFrom<Src> for Src

type Err = NoError

pub fn try_from(src: Src) -> Result<Src, <Src as TryFrom<Src>>::Err>

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

type Error = Infallible

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

impl<Src, Dst> TryInto<Dst> for Src where Dst: TryFrom<Src>,

type Err = <Dst as TryFrom<Src>>::Err

pub fn try_into(self) -> Result<Dst, <Src as TryInto<Dst>>::Err>

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

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

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

impl<V, T> VZip<V> for T where V: MultiLane<T>,

pub fn vzip(self) -> V

impl<Src> ValueFrom<Src> for Src

type Err = NoError

pub fn value_from(src: Src) -> Result<Src, <Src as ValueFrom<Src>>::Err>

impl<Src, Dst> ValueInto<Dst> for Src where Dst: ValueFrom<Src>,

type Err = <Dst as ValueFrom<Src>>::Err

pub fn value_into(self) -> Result<Dst, <Src as ValueInto<Dst>>::Err>

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

impl<Src, Scheme> ApproxFrom<Src, Scheme> for Src where
Scheme: ApproxScheme,

pub fn approx_from(
src: Src
) -> Result<Src, <Src as ApproxFrom<Src, Scheme>>::Err>

impl<Dst, Src, Scheme> ApproxInto<Dst, Scheme> for Src where
Dst: ApproxFrom<Src, Scheme>,
Scheme: ApproxScheme,

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

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

fn approx(self) -> Result<Dst, Self::Err> where
Self: ApproxInto<Dst, DefaultApprox>,

fn approx_by<Scheme>(self) -> Result<Dst, Self::Err> where
Self: ApproxInto<Dst, Scheme>,
Scheme: ApproxScheme,

fn approx_as<Dst>(self) -> Result<Dst, Self::Err> where
Self: ApproxInto<Dst, DefaultApprox>,

fn approx_as_by<Dst, Scheme>(self) -> Result<Dst, Self::Err> where
Self: ApproxInto<Dst, Scheme>,
Scheme: ApproxScheme,

fn into_as<Dst>(self) -> Dst where
Self: Into<Dst>,

fn try_as<Dst>(self) -> Result<Dst, Self::Err> where
Self: TryInto<Dst>,

fn value_as<Dst>(self) -> Result<Dst, Self::Err> where
Self: ValueInto<Dst>,

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

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

impl<Src, Dst> TryInto<Dst> for Src where
Dst: TryFrom<Src>,

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

impl<V, T> VZip<V> for T where
V: MultiLane<T>,

impl<Src, Dst> ValueInto<Dst> for Src where
Dst: ValueFrom<Src>,