Struct img_parts::png::Png

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pub struct Png { /* private fields */ }

Expand description

The representation of a Png image

Implementations

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impl Png

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pub fn from_bytes(b: Bytes) -> Result<Png>

Create a Png from Bytes

Errors

This method fails if the file signature doesn’t match or if it is corrupted or truncated.

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pub fn chunks(&self) -> &Vec<PngChunk>

Get the chunks of this Png

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pub fn chunks_mut(&mut self) -> &mut Vec<PngChunk>

Get a mutable reference to the chunks of this Png

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pub fn chunk_by_type(&self, kind: [u8 ; 4]) -> Option<&PngChunk>

Get the first chunk with a type of kind

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pub fn chunks_by_type(&self, kind: [u8 ; 4]) -> impl Iterator<Item = &PngChunk>

Get every chunk with a type of kind

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pub fn remove_chunks_by_type(&mut self, kind: [u8 ; 4])

Remove every chunk with a type of kind

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pub fn len(&self) -> usize

Get the total size of the Png once it is encoded.

The size is the sum of:

The signature (8 bytes).
The size of every chunk.

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pub fn encoder(self) -> ImageEncoder<Self>ⓘNotable traits for ImageEncoder`impl<I: EncodeAt> Iterator for ImageEncoder type Item = Bytes;`

Create an encoder for this Png

Trait Implementations

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impl Clone for Png

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fn clone(&self) -> Png

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 Png

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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 From<Png> for DynImage

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fn from(png: Png) -> DynImage

Converts to this type from the input type.

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impl ImageEXIF for Png

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fn exif(&self) -> Option<Bytes>

Get the raw EXIF metadata of this image

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fn set_exif(&mut self, exif: Option<Bytes>)

Overwrites the pre-existing EXIF metadata of this image. Read more

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impl ImageICC for Png

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fn icc_profile(&self) -> Option<Bytes>

Get the raw ICC Profile of this image

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fn set_icc_profile(&mut self, profile: Option<Bytes>)

Overwrites the pre-existing ICC Profile of this image. Read more

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impl PartialEq<Png> for Png

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

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

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

This method tests for !=.

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impl Eq for Png

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impl StructuralEq for Png

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impl StructuralPartialEq for Png

Auto Trait Implementations

impl RefUnwindSafe for Png

impl Send for Png

impl Sync for Png

impl Unpin for Png

impl UnwindSafe for Png

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)

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.

Struct img_parts::png::Png

Implementations

impl Png

pub fn from_bytes(b: Bytes) -> Result<Png>

Errors

pub fn chunks(&self) -> &Vec<PngChunk>

pub fn chunks_mut(&mut self) -> &mut Vec<PngChunk>

pub fn chunk_by_type(&self, kind: [u8; 4]) -> Option<&PngChunk>

pub fn chunks_by_type(&self, kind: [u8; 4]) -> impl Iterator<Item = &PngChunk>

pub fn remove_chunks_by_type(&mut self, kind: [u8; 4])

pub fn len(&self) -> usize

pub fn encoder(self) -> ImageEncoder<Self>ⓘNotable traits for ImageEncoder<I>impl<I: EncodeAt> Iterator for ImageEncoder<I> type Item = Bytes;

Trait Implementations

impl Clone for Png

fn clone(&self) -> Png

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

impl Debug for Png

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

impl From<Png> for DynImage

fn from(png: Png) -> DynImage

impl ImageEXIF for Png

fn exif(&self) -> Option<Bytes>

fn set_exif(&mut self, exif: Option<Bytes>)

impl ImageICC for Png

fn icc_profile(&self) -> Option<Bytes>

fn set_icc_profile(&mut self, profile: Option<Bytes>)

impl PartialEq<Png> for Png

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

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

impl Eq for Png

impl StructuralEq for Png

impl StructuralPartialEq for Png

Auto Trait Implementations

impl RefUnwindSafe for Png

impl Send for Png

impl Sync for Png

impl Unpin for Png

impl UnwindSafe for Png

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>

pub fn chunk_by_type(&self, kind: [u8 ; 4]) -> Option<&PngChunk>

pub fn chunks_by_type(&self, kind: [u8 ; 4]) -> impl Iterator<Item = &PngChunk>

pub fn remove_chunks_by_type(&mut self, kind: [u8 ; 4])

pub fn encoder(self) -> ImageEncoder<Self>ⓘNotable traits for ImageEncoder<I>`impl<I: EncodeAt> Iterator for ImageEncoder<I> type Item = Bytes;`

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>,