pub enum CompressionType {
    Default,
    Fast,
    Best,
    Huffman,
    Rle,
    // some variants omitted
}
Expand description

Compression level of a PNG encoder. The default setting is Fast.

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Default

Default compression level

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Fast

Fast, minimal compression

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Best

High compression level

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Huffman

Huffman coding compression

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Rle

Run-length encoding compression

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impl Clone for CompressionType

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fn clone(&self) -> CompressionType

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for CompressionType

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

Formats the value using the given formatter. Read more
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impl Default for CompressionType

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fn default() -> CompressionType

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

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

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Copy for CompressionType

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impl Eq for CompressionType

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impl StructuralEq for CompressionType

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impl StructuralPartialEq for CompressionType

Auto Trait Implementations§

Blanket Implementations§

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impl<S, D, Swp, Dwp, T> AdaptInto<D, Swp, Dwp, T> for S
where T: Component + Float, Swp: WhitePoint, Dwp: WhitePoint, D: AdaptFrom<S, Swp, Dwp, T>,

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fn adapt_into_using<M>(self, method: M) -> D
where M: TransformMatrix<Swp, Dwp, 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> Borrow<T> for T
where T: ?Sized,

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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,

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

Mutably borrows from an owned value. Read more
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impl<T, U> ConvertInto<U> for T
where U: ConvertFrom<T>,

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fn convert_into(self) -> U

Convert into T with values clamped to the color defined bounds Read more
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fn convert_unclamped_into(self) -> U

Convert into T. The resulting color might be invalid in its color space Read more
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fn try_convert_into(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<T> Downcast<T> for T

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fn downcast(&self) -> &T

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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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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, U> Into<U> for T
where U: From<T>,

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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> Pointable for T

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const ALIGN: usize = _

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T> ToOwned for T
where T: Clone,

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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)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<T> Upcast<T> for T

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fn upcast(&self) -> Option<&T>

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

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fn vzip(self) -> V

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

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impl<T> WasmNotSync for T
where T: Sync,