pub struct SharedPixelBuffer<Pixel> { /* private fields */ }
Expand description

SharedPixelBuffer is a container for storing image data as pixels. It is internally reference counted and cheap to clone.

You can construct a new empty shared pixel buffer with SharedPixelBuffer::new, or you can clone it from an existing contiguous buffer that you might already have, using SharedPixelBuffer::clone_from_slice.

See the documentation for Image for examples how to use this type to integrate Slint with external rendering functions.

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impl<Pixel> SharedPixelBuffer<Pixel>

pub fn width(&self) -> u32

Returns the width of the image in pixels.

pub fn height(&self) -> u32

Returns the height of the image in pixels.

pub fn size(&self) -> Size2D<u32, UnknownUnit>

Returns the size of the image in pixels.

pub fn stride(&self) -> u32

Returns the number of pixels per line.

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impl<Pixel> SharedPixelBuffer<Pixel>where Pixel: Clone,

pub fn make_mut_slice(&mut self) -> &mut [Pixel]

Return a mutable slice to the pixel data. If the SharedPixelBuffer was shared, this will make a copy of the buffer.

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impl<Pixel> SharedPixelBuffer<Pixel>where Pixel: Clone + Pod, [Pixel]: ComponentBytes<u8>,

pub fn as_bytes(&self) -> &[u8]

Returns the pixels interpreted as raw bytes.

pub fn make_mut_bytes(&mut self) -> &mut [u8]

Returns the pixels interpreted as raw bytes.

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impl<Pixel> SharedPixelBuffer<Pixel>

pub fn as_slice(&self) -> &[Pixel]

Return a slice to the pixel data.

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impl<Pixel> SharedPixelBuffer<Pixel>where Pixel: Clone + Default,

pub fn new(width: u32, height: u32) -> SharedPixelBuffer<Pixel>

Creates a new SharedPixelBuffer with the given width and height. Each pixel will be initialized with the value that Default::default() returns for the Pixel type.

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impl<Pixel> SharedPixelBuffer<Pixel>where Pixel: Clone,

pub fn clone_from_slice<SourcePixelType>( pixel_slice: &[SourcePixelType], width: u32, height: u32 ) -> SharedPixelBuffer<Pixel>where [SourcePixelType]: AsPixels<Pixel>,

Creates a new SharedPixelBuffer by cloning and converting pixels from an existing slice. This function is useful when another crate was used to allocate an image and you would like to convert it for use in Slint.

Trait Implementations§

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impl<Pixel> Clone for SharedPixelBuffer<Pixel>where Pixel: Clone,

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fn clone(&self) -> SharedPixelBuffer<Pixel>

Returns a copy of the value. Read more
1.0.0 · source§

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

Performs copy-assignment from source. Read more
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impl<Pixel> Debug for SharedPixelBuffer<Pixel>where Pixel: Debug,

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl<Pixel> RefUnwindSafe for SharedPixelBuffer<Pixel>where Pixel: RefUnwindSafe,

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impl<Pixel> Send for SharedPixelBuffer<Pixel>where Pixel: Send,

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impl<Pixel> !Sync for SharedPixelBuffer<Pixel>

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impl<Pixel> Unpin for SharedPixelBuffer<Pixel>

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impl<Pixel> UnwindSafe for SharedPixelBuffer<Pixel>where Pixel: RefUnwindSafe,

Blanket Implementations§

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impl<T> Any for Twhere 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 Twhere 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 Twhere 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> Downcast for Twhere T: Any,

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fn into_any(self: Box<T, Global>) -> Box<dyn Any + 'static, Global>

Convert Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>. Box<dyn Any> can then be further downcast into Box<ConcreteType> where ConcreteType implements Trait.
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fn into_any_rc(self: Rc<T>) -> Rc<dyn Any + 'static>

Convert Rc<Trait> (where Trait: Downcast) to Rc<Any>. Rc<Any> can then be further downcast into Rc<ConcreteType> where ConcreteType implements Trait.
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fn as_any(&self) -> &(dyn Any + 'static)

Convert &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s.
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fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

Convert &mut Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &mut Any’s vtable from &mut Trait’s.
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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> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for Twhere 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 = mem::align_of::<T>()

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> Same<T> for T

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type Output = T

Should always be Self
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impl<T> ToOwned for Twhere 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 Twhere 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 Twhere 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<V, T> VZip<V> for Twhere V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more