Struct egui::layers::PaintList

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pub struct PaintList(Vec<ClippedShape>);
Expand description

A list of Shapes paired with a clip rectangle.

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§0: Vec<ClippedShape>

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impl PaintList

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pub fn is_empty(&self) -> bool

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pub fn add(&mut self, clip_rect: Rect, shape: Shape) -> ShapeIdx

Returns the index of the new Shape that can be used with PaintList::set.

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pub fn extend<I: IntoIterator<Item = Shape>>( &mut self, clip_rect: Rect, shapes: I )

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pub fn set(&mut self, idx: ShapeIdx, clip_rect: Rect, shape: Shape)

Modify an existing Shape.

Sometimes you want to paint a frame behind some contents, but don’t know how large the frame needs to be until the contents have been added, and therefor also painted to the PaintList.

The solution is to allocate a Shape using let idx = paint_list.add(cr, Shape::Noop); and then later setting it using paint_list.set(idx, cr, frame);.

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pub fn translate(&mut self, delta: Vec2)

Translate each Shape and clip rectangle by this much, in-place

Trait Implementations§

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impl Clone for PaintList

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fn clone(&self) -> PaintList

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 Default for PaintList

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fn default() -> PaintList

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

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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> 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 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> 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<T> SerializableAny for Twhere T: 'static + Any + Clone + Send + Sync,