Struct png::Encoder

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pub struct Encoder<W: Write> { /* private fields */ }
Expand description

PNG Encoder

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impl<W: Write> Encoder<W>

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pub fn new(w: W, width: u32, height: u32) -> Encoder<W>

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pub fn write_header(self) -> Result<Writer<W>, EncodingError>

Trait Implementations§

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impl<W: Write> HasParameters for Encoder<W>

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fn set<T: Parameter<Self>>(&mut self, value: T) -> &mut Self

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impl<W: Write> Parameter<Encoder<W>> for BitDepth

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fn set_param(self, this: &mut Encoder<W>)

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impl<W: Write> Parameter<Encoder<W>> for ColorType

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fn set_param(self, this: &mut Encoder<W>)

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impl<W: Write> Parameter<Encoder<W>> for FilterType

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fn set_param(self, this: &mut Encoder<W>)

Auto Trait Implementations§

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impl<W> Freeze for Encoder<W>
where W: Freeze,

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impl<W> RefUnwindSafe for Encoder<W>
where W: RefUnwindSafe,

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impl<W> Send for Encoder<W>
where W: Send,

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impl<W> Sync for Encoder<W>
where W: Sync,

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impl<W> Unpin for Encoder<W>
where W: Unpin,

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impl<W> UnwindSafe for Encoder<W>
where W: UnwindSafe,

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,

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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> 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<W, C> Parameter<Encoder<W>> for C
where W: Write, C: Into<Compression>,

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fn set_param(self, this: &mut Encoder<W>)

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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.