FixedImage

Struct FixedImage 

Source
pub struct FixedImage<'a> { /* private fields */ }
Expand description

Fixed size image widget that uses FixedBackend.

The widget does not react to area resizes, and is not even guaranteed to not overdraw. Its advantage is that the FixedBackend it uses needs only one initial resize.

struct App {
    image_static: Box<dyn FixedBackend>,
}
fn ui<B: Backend>(f: &mut Frame<B>, app: &mut App) {
    let image = FixedImage::new(app.image_static.as_ref());
    f.render_widget(image, f.size());
}

Implementations§

Source§

impl<'a> FixedImage<'a>

Source

pub fn new(image: &'a dyn FixedBackend) -> FixedImage<'a>

Trait Implementations§

Source§

impl<'a> Widget for FixedImage<'a>

Source§

fn render(self, area: Rect, buf: &mut Buffer)

Draws the current state of the widget in the given buffer. That is the only method required to implement a custom widget.

Auto Trait Implementations§

§

impl<'a> Freeze for FixedImage<'a>

§

impl<'a> !RefUnwindSafe for FixedImage<'a>

§

impl<'a> Send for FixedImage<'a>

§

impl<'a> Sync for FixedImage<'a>

§

impl<'a> Unpin for FixedImage<'a>

§

impl<'a> !UnwindSafe for FixedImage<'a>

Blanket Implementations§

Source§

impl<T> Any for T
where T: 'static + ?Sized,

Source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
Source§

impl<T> Borrow<T> for T
where T: ?Sized,

Source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
Source§

impl<T> BorrowMut<T> for T
where T: ?Sized,

Source§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
Source§

impl<T> From<T> for T

Source§

fn from(t: T) -> T

Returns the argument unchanged.

Source§

impl<T, U> Into<U> for T
where U: From<T>,

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.

Source§

impl<T> IntoEither for T

Source§

fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
Source§

fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
Source§

impl<T> Pointable for T

Source§

const ALIGN: usize

The alignment of pointer.
Source§

type Init = T

The type for initializers.
Source§

unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
Source§

unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
Source§

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
Source§

unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
Source§

impl<T, U> TryFrom<U> for T
where U: Into<T>,

Source§

type Error = Infallible

The type returned in the event of a conversion error.
Source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
Source§

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

Source§

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
Source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.