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use smithay::backend::renderer::element::{Element, Id, RenderElement};
use smithay::backend::renderer::utils::CommitCounter;
use smithay::backend::renderer::Renderer;
use smithay::utils::{Buffer, Logical, Physical, Point, Rectangle, Scale, Size};
#[derive(Debug, Clone)]
pub struct ExtraDamage {
id: Id,
commit: CommitCounter,
geometry: Rectangle<f64, Logical>,
}
impl ExtraDamage {
pub fn new() -> Self {
Self {
id: Id::new(),
commit: Default::default(),
geometry: Default::default(),
}
}
pub fn set_size(&mut self, size: Size<f64, Logical>) {
if self.geometry.size == size {
return;
}
self.geometry.size = size;
self.commit.increment();
}
pub fn damage_all(&mut self) {
self.commit.increment();
}
pub fn with_location(mut self, location: Point<f64, Logical>) -> Self {
self.geometry.loc = location;
self
}
}
impl Default for ExtraDamage {
fn default() -> Self {
Self::new()
}
}
impl Element for ExtraDamage {
fn id(&self) -> &Id {
&self.id
}
fn current_commit(&self) -> CommitCounter {
self.commit
}
fn src(&self) -> Rectangle<f64, Buffer> {
Rectangle::from_size(Size::from((1., 1.)))
}
fn geometry(&self, scale: Scale<f64>) -> Rectangle<i32, Physical> {
self.geometry.to_physical_precise_up(scale)
}
}
impl<R: Renderer> RenderElement<R> for ExtraDamage {
fn draw(
&self,
_frame: &mut R::Frame<'_, '_>,
_src: Rectangle<f64, Buffer>,
_dst: Rectangle<i32, Physical>,
_damage: &[Rectangle<i32, Physical>],
_opaque_regions: &[Rectangle<i32, Physical>],
) -> Result<(), R::Error> {
Ok(())
}
}
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