ltk

Struct External

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pub struct External { /* private fields */ }
Expand description

A widget that defers its pixels to an external GL texture producer.

The widget itself is non-interactive and produces no messages. Wrap it in a crate::widget::pressable::Pressable (or similar) when input capture is needed.

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impl External

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pub fn new(width: f32, height: f32, source: ExternalSource) -> Self

Build a new external-content widget reserving width × height logical pixels.

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pub fn cpu( width: f32, height: f32, draw: impl Fn(&mut Canvas, Rect) + Send + Sync + 'static, ) -> Self

Build an external widget that paints via an immediate-mode CPU closure reserving width × height logical pixels.

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pub fn opacity(self, opacity: f32) -> Self

Override the opacity multiplier. Default: 1.0.

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pub fn preferred_size(&self, _max_width: f32) -> (f32, f32)

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pub fn draw(&self, canvas: &mut Canvas, rect: Rect)

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impl<Msg: Clone> From<External> for Element<Msg>

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fn from(e: External) -> Self

Converts to this type from the input type.

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impl<T> Any for T
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