[−][src]Struct image::ico::ICODecoder
An ico decoder
Methods
impl<R: Read + Seek> ICODecoder<R>
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pub fn new(r: R) -> ImageResult<ICODecoder<R>>
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Create a new decoder that decodes from the stream r
Trait Implementations
impl<R: Read + Seek> ImageDecoder for ICODecoder<R>
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type Reader = Cursor<Vec<u8>>
The type of reader produced by into_reader
.
fn dimensions(&self) -> (u64, u64)
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fn colortype(&self) -> ColorType
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fn into_reader(self) -> ImageResult<Self::Reader>
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fn read_image(self) -> ImageResult<Vec<u8>>
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fn row_bytes(&self) -> u64
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Returns the number of bytes in a single row of the image. All decoders will pad image rows to a byte boundary. Read more
fn total_bytes(&self) -> u64
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Returns the total number of bytes in the image.
fn scanline_bytes(&self) -> u64
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Returns the minimum number of bytes that can be efficiently read from this decoder. This may be as few as 1 or as many as total_bytes()
. Read more
fn read_image_with_progress<F: Fn(Progress)>(
self,
progress_callback: F
) -> ImageResult<Vec<u8>>
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self,
progress_callback: F
) -> ImageResult<Vec<u8>>
Same as read_image
but periodically calls the provided callback to give updates on loading progress. Read more
Auto Trait Implementations
impl<R> Unpin for ICODecoder<R> where
R: Unpin,
R: Unpin,
impl<R> Sync for ICODecoder<R> where
R: Sync,
R: Sync,
impl<R> Send for ICODecoder<R> where
R: Send,
R: Send,
impl<R> UnwindSafe for ICODecoder<R> where
R: UnwindSafe,
R: UnwindSafe,
impl<R> RefUnwindSafe for ICODecoder<R> where
R: RefUnwindSafe,
R: RefUnwindSafe,
Blanket Implementations
impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,