a_sixel

Struct SixelEncoder

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pub struct SixelEncoder<P: PaletteBuilder = FocalPaletteBuilder, D: Dither = Sierra> { /* private fields */ }
Expand description

The main type for performing sixel encoding.

It is provided with two generic parameters:

  • A PaletteBuilder to generate a color palette from the input image (sixel only supports up to 256 colors).
  • A Dither type to apply dithering to the reduced color image before encoding it into sixel format.

A number of type aliases are provided for common configurations, such as ADUSixelEncoder256, which uses the ADUPaletteBuilder with 256 colors.

§Choosing a PaletteBuilder

  • ADUPaletteBuilder is a good default choice for minimizing the error across the image. For maximum color accuracy at the cost of speed, you can use ADUSixelEncoder256High.
  • FocalPaletteBuilder is a good choice if the image has highlights and other color details that ADU might squash, but is experimental and much slower. You can increase the number of steps to improve accuracy even futher, as is done by FocalSixelEncoder256High.
  • Other palette builders are available, but are likely to perform less well at image accuracy than either of these two.

§Choosing a Dither

  • Sierra is a good default choice for dithering, as it produces high-quality results with minimal artifacts.
  • NoDither can be used if performance is a concern.

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Auto Trait Implementations§

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impl<P, D> Freeze for SixelEncoder<P, D>

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impl<P, D> RefUnwindSafe for SixelEncoder<P, D>
where P: RefUnwindSafe, D: RefUnwindSafe,

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impl<P, D> Send for SixelEncoder<P, D>
where P: Send, D: Send,

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impl<P, D> Sync for SixelEncoder<P, D>
where P: Sync, D: Sync,

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impl<P, D> Unpin for SixelEncoder<P, D>
where P: Unpin, D: Unpin,

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impl<P, D> UnwindSafe for SixelEncoder<P, D>
where P: UnwindSafe, D: UnwindSafe,

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impl<S, D, Swp, Dwp, T> AdaptInto<D, Swp, Dwp, T> for S
where T: Real + Zero + Arithmetics + Clone, Swp: WhitePoint<T>, Dwp: WhitePoint<T>, D: AdaptFrom<S, Swp, Dwp, T>,

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fn adapt_into_using<M>(self, method: M) -> D
where M: TransformMatrix<T>,

Convert the source color to the destination color using the specified method.
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fn adapt_into(self) -> D

Convert the source color to the destination color using the bradford method by default.
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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, C> ArraysFrom<C> for T
where C: IntoArrays<T>,

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fn arrays_from(colors: C) -> T

Cast a collection of colors into a collection of arrays.
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impl<T, C> ArraysInto<C> for T
where C: FromArrays<T>,

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fn arrays_into(self) -> C

Cast this collection of arrays into a collection of colors.
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impl<T> Az for T

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fn az<Dst>(self) -> Dst
where T: Cast<Dst>,

Casts the value.
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Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<WpParam, T, U> Cam16IntoUnclamped<WpParam, T> for U
where T: FromCam16Unclamped<WpParam, U>,

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type Scalar = <T as FromCam16Unclamped<WpParam, U>>::Scalar

The number type that’s used in parameters when converting.
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fn cam16_into_unclamped( self, parameters: BakedParameters<WpParam, <U as Cam16IntoUnclamped<WpParam, T>>::Scalar>, ) -> T

Converts self into C, using the provided parameters.
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impl<Src, Dst> CastFrom<Src> for Dst
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fn cast_from(src: Src) -> Dst

Casts the value.
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fn checked_as<Dst>(self) -> Option<Dst>
where T: CheckedCast<Dst>,

Casts the value.
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impl<Src, Dst> CheckedCastFrom<Src> for Dst
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fn checked_cast_from(src: Src) -> Option<Dst>

Casts the value.
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impl<T, C> ComponentsFrom<C> for T
where C: IntoComponents<T>,

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fn components_from(colors: C) -> T

Cast a collection of colors into a collection of color components.
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> FromAngle<T> for T

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fn from_angle(angle: T) -> T

Performs a conversion from angle.
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where U: IntoStimulus<T>,

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fn from_stimulus(other: U) -> T

Converts other into Self, while performing the appropriate scaling, rounding and clamping.
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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, U> IntoAngle<U> for T
where U: FromAngle<T>,

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fn into_angle(self) -> U

Performs a conversion into T.
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impl<WpParam, T, U> IntoCam16Unclamped<WpParam, T> for U
where T: Cam16FromUnclamped<WpParam, U>,

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type Scalar = <T as Cam16FromUnclamped<WpParam, U>>::Scalar

The number type that’s used in parameters when converting.
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fn into_cam16_unclamped( self, parameters: BakedParameters<WpParam, <U as IntoCam16Unclamped<WpParam, T>>::Scalar>, ) -> T

Converts self into C, using the provided parameters.
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impl<T, U> IntoColor<U> for T
where U: FromColor<T>,

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fn into_color(self) -> U

Convert into T with values clamped to the color defined bounds Read more
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impl<T, U> IntoColorUnclamped<U> for T
where U: FromColorUnclamped<T>,

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fn into_color_unclamped(self) -> U

Convert into T. The resulting color might be invalid in its color space Read more
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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
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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
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impl<T> IntoStimulus<T> for T

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fn into_stimulus(self) -> T

Converts self into T, while performing the appropriate scaling, rounding and clamping.
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where Dst: LosslessTryFrom<Src>,

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Performs the conversion.
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Performs the conversion.
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where T: OverflowingCast<Dst>,

Casts the value.
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where Src: OverflowingCast<Dst>,

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Casts the value.
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const ALIGN: usize

The alignment of pointer.
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fn saturating_as<Dst>(self) -> Dst
where T: SaturatingCast<Dst>,

Casts the value.
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where Src: SaturatingCast<Dst>,

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fn saturating_cast_from(src: Src) -> Dst

Casts the value.
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impl<T, C> TryComponentsInto<C> for T
where C: TryFromComponents<T>,

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type Error = <C as TryFromComponents<T>>::Error

The error for when try_into_colors fails to cast.
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fn try_components_into(self) -> Result<C, <T as TryComponentsInto<C>>::Error>

Try to cast this collection of color components into a collection of colors. Read more
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<T, U> TryIntoColor<U> for T
where U: TryFromColor<T>,

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fn try_into_color(self) -> Result<U, OutOfBounds<U>>

Convert into T, returning ok if the color is inside of its defined range, otherwise an OutOfBounds error is returned which contains the unclamped color. Read more
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impl<C, U> UintsFrom<C> for U
where C: IntoUints<U>,

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fn uints_from(colors: C) -> U

Cast a collection of colors into a collection of unsigned integers.
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impl<C, U> UintsInto<C> for U
where C: FromUints<U>,

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fn uints_into(self) -> C

Cast this collection of unsigned integers into a collection of colors.
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where T: UnwrappedCast<Dst>,

Casts the value.
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where Src: UnwrappedCast<Dst>,

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Casts the value.
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where T: WrappingCast<Dst>,

Casts the value.
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Casts the value.