spng

Struct Reader

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pub struct Reader<R> { /* private fields */ }
Expand description

PNG reader

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impl<R> Reader<R>

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pub fn info(&self) -> Info

Returns input information

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pub fn output_buffer_size(&self) -> usize

Returns the minimum buffer size required for next_frame

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pub fn next_frame(&mut self, output: &mut [u8]) -> Result<(), Error>

Decodes the next frame of the png. This currently may only be called once.

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pub fn raw_context(&self) -> &RawContext<R>

Returns a reference to the RawContext.

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impl<R: Debug> Debug for Reader<R>

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl<R> Freeze for Reader<R>

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impl<R> RefUnwindSafe for Reader<R>
where R: RefUnwindSafe,

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impl<R> !Send for Reader<R>

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impl<R> !Sync for Reader<R>

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impl<R> Unpin for Reader<R>

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impl<R> UnwindSafe for Reader<R>
where R: 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<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.