Struct i_slint_core::item_rendering::CachedRenderingData

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#[repr(C)]
pub struct CachedRenderingData { /* private fields */ }
Expand description

This structure must be present in items that are Rendered and contains information. Used by the backend.

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impl CachedRenderingData

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pub fn release<T>(&self, cache: &mut RenderingCache<T>) -> Option<T>

This function can be used to remove an entry from the rendering cache for a given item, if it exists, i.e. if any data was ever cached. This is typically called by the graphics backend’s implementation of the release_item_graphics_cache function.

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pub fn get_entry<'a, T>( &self, cache: &'a mut RenderingCache<T>, ) -> Option<&'a mut CachedGraphicsData<T>>

Return the value if it is in the cache

Trait Implementations§

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impl Debug for CachedRenderingData

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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 Default for CachedRenderingData

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fn default() -> CachedRenderingData

Returns the “default value” for a type. Read more

Auto Trait Implementations§

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.