Enum jpeg_encoder::SamplingFactor

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#[repr(u8)]
pub enum SamplingFactor {
Show 16 variants    F_1_1,
    F_2_1,
    F_1_2,
    F_2_2,
    F_4_1,
    F_4_2,
    F_1_4,
    F_2_4,
    R_4_4_4,
    R_4_4_0,
    R_4_4_1,
    R_4_2_2,
    R_4_2_0,
    R_4_2_1,
    R_4_1_1,
    R_4_1_0,
}

Expand description

Sampling factors for chroma subsampling

Warning

Sampling factor of 4 are not supported by all decoders or applications

Variants

`F_1_1`

`F_2_1`

`F_1_2`

`F_2_2`

`F_4_1`

`F_4_2`

`F_1_4`

`F_2_4`

`R_4_4_4`

Alias for F_1_1

`R_4_4_0`

Alias for F_1_2

`R_4_4_1`

Alias for F_1_4

`R_4_2_2`

Alias for F_2_1

`R_4_2_0`

Alias for F_2_2

`R_4_2_1`

Alias for F_2_4

`R_4_1_1`

Alias for F_4_1

`R_4_1_0`

Alias for F_4_2

Implementations

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impl SamplingFactor

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pub fn from_factors(horizontal: u8, vertical: u8) -> Option<SamplingFactor>

Get variant for supplied factors or None if not supported

Trait Implementations

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impl Clone for SamplingFactor

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fn clone(&self) -> SamplingFactor

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

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impl Debug for SamplingFactor

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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 PartialEq<SamplingFactor> for SamplingFactor

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fn eq(&self, other: &SamplingFactor) -> bool

This method tests for self and other values to be equal, and is used by ==. Read more

1.0.0 · source

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

This method tests for !=.

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impl StructuralPartialEq for SamplingFactor

Auto Trait Implementations

impl RefUnwindSafe for SamplingFactor

impl Send for SamplingFactor

impl Sync for SamplingFactor

impl Unpin for SamplingFactor

impl UnwindSafe for SamplingFactor

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,

const: unstable · source

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

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

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

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

const: unstable · 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.

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

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)

🔬 This is a nightly-only experimental API. (toowned_clone_into)

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

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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

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

Performs the conversion.

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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

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

Performs the conversion.

Enum jpeg_encoder::SamplingFactor

Variants

F_1_1

F_2_1

F_1_2

F_2_2

F_4_1

F_4_2

F_1_4

F_2_4

R_4_4_4

R_4_4_0

R_4_4_1

R_4_2_2

R_4_2_0

R_4_2_1

R_4_1_1

R_4_1_0

Implementations

impl SamplingFactor

pub fn from_factors(horizontal: u8, vertical: u8) -> Option<SamplingFactor>

Trait Implementations

impl Clone for SamplingFactor

fn clone(&self) -> SamplingFactor

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

impl Debug for SamplingFactor

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

impl PartialEq<SamplingFactor> for SamplingFactor

fn eq(&self, other: &SamplingFactor) -> bool

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

impl Copy for SamplingFactor

impl Eq for SamplingFactor

impl StructuralEq for SamplingFactor

impl StructuralPartialEq for SamplingFactor

Auto Trait Implementations

impl RefUnwindSafe for SamplingFactor

impl Send for SamplingFactor

impl Sync for SamplingFactor

impl Unpin for SamplingFactor

impl UnwindSafe for SamplingFactor

Blanket Implementations

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

fn type_id(&self) -> TypeId

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

fn borrow(&self) -> &T

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

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

impl<T> From<T> for T

fn from(t: T) -> T

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

fn into(self) -> U

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

type Owned = T

fn to_owned(&self) -> T

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

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

type Error = Infallible

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

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

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

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

`F_1_1`

`F_2_1`

`F_1_2`

`F_2_2`

`F_4_1`

`F_4_2`

`F_1_4`

`F_2_4`

`R_4_4_4`

`R_4_4_0`

`R_4_4_1`

`R_4_2_2`

`R_4_2_0`

`R_4_2_1`

`R_4_1_1`

`R_4_1_0`

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

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

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

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

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

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

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