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break down engine modules

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🪞👃🪞 2025-01-05 08:16:15 +01:00
parent f6c603bf73
commit 905486edbd
16 changed files with 376 additions and 352 deletions
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39
engine/src/output.rs
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@ -1,5 +1,13 @@
use crate::*;
use std::marker::PhantomData;
mod coordinate; pub use self::coordinate::*;
mod size; pub use self::size::*;
mod area; pub use self::area::*;
mod render; pub use self::render::*;
mod content; pub use self::content::*;
mod thunk; pub use self::thunk::*;
/// Rendering target
pub trait Output<E: Engine> {
/// Current output area
@ -14,35 +22,6 @@ pub trait Output<E: Engine> {
#[inline] fn h (&self) -> E::Unit { self.area().h() }
#[inline] fn wh (&self) -> E::Size { self.area().wh().into() }
}
pub trait Render<E: Engine>: Send + Sync {
fn layout (&self, area: E::Area) -> E::Area;
fn render (&self, output: &mut E::Output);
}
pub trait Content<E: Engine>: Send + Sync + Sized {
fn content (&self) -> impl Render<E> { () }
fn layout (&self, area: E::Area) -> E::Area { self.content().layout(area) }
fn render (&self, output: &mut E::Output) { self.content().render(output) }
}
impl<E: Engine, C: Content<E>> Render<E> for C {
fn layout (&self, area: E::Area) -> E::Area { Content::layout(self, area) }
fn render (&self, output: &mut E::Output) { Content::render(self, output) }
}
impl<'a, E: Engine> Content<E> for Box<dyn Render<E> + 'a> {
fn content (&self) -> impl Render<E> { self }
}
impl<'a, E: Engine> Content<E> for Box<dyn Render<E> + Send + Sync + 'a> {
fn content (&self) -> impl Render<E> { self }
}
impl<E: Engine> Content<E> for &(dyn Render<E> + '_) {
fn content (&self) -> impl Render<E> { self }
}
pub struct Thunk<E: Engine, T: Render<E>, F: Fn()->T + Send + Sync>(F, PhantomData<E>);
impl<E: Engine, T: Render<E>, F: Fn()->T + Send + Sync> Thunk<E, T, F> {
pub fn new (thunk: F) -> Self { Self(thunk, Default::default()) }
}
impl<E: Engine, T: Render<E>, F: Fn()->T + Send + Sync> Content<E> for Thunk<E, T, F> {
fn content (&self) -> impl Render<E> { (self.0)() }
}
impl<E: Engine, T: Content<E>> Content<E> for &T {
fn content (&self) -> impl Render<E> {
(*self).content()