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wip: big flat pt.4: extract layout crate

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🪞👃🪞 2024-12-30 19:07:43 +01:00
parent cb680ab096
commit 34e731f111
21 changed files with 2125 additions and 83 deletions
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51
engine/src/engine.rs
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@ -36,14 +36,14 @@ pub trait Coordinate: Send + Sync + Copy
+ Into<usize>
+ Into<f64>
{
fn minus (self, other: Self) -> Self {
#[inline] fn minus (self, other: Self) -> Self {
if self >= other {
self - other
} else {
0.into()
}
}
fn zero () -> Self {
#[inline] fn zero () -> Self {
0.into()
}
}
@ -65,11 +65,21 @@ pub trait Size<N: Coordinate> {
}
}
impl<N: Coordinate> Size<N> for (N, N) {
#[inline] fn x (&self) -> N { self.0 }
#[inline] fn y (&self) -> N { self.1 }
}
impl<N: Coordinate> Size<N> for [N;2] {
#[inline] fn x (&self) -> N { self[0] }
#[inline] fn y (&self) -> N { self[1] }
}
pub trait Area<N: Coordinate>: Copy {
fn x (&self) -> N;
fn y (&self) -> N;
fn w (&self) -> N;
fn h (&self) -> N;
fn x (&self) -> N;
fn y (&self) -> N;
fn w (&self) -> N;
fn h (&self) -> N;
#[inline] fn expect_min (&self, w: N, h: N) -> Usually<&Self> {
if self.w() < w || self.h() < h {
Err(format!("min {w}x{h}").into())
@ -77,4 +87,33 @@ pub trait Area<N: Coordinate>: Copy {
Ok(self)
}
}
#[inline] fn wh (&self) -> [N;2] {
[self.w(), self.h()]
}
#[inline] fn xywh (&self) -> [N;4] {
[self.x(), self.y(), self.w(), self.h()]
}
#[inline] fn clip_h (&self, h: N) -> [N;4] {
[self.x(), self.y(), self.w(), self.h().min(h)]
}
#[inline] fn clip_w (&self, w: N) -> [N;4] {
[self.x(), self.y(), self.w().min(w), self.h()]
}
#[inline] fn clip (&self, wh: impl Size<N>) -> [N;4] {
[self.x(), self.y(), wh.w(), wh.h()]
}
}
impl<N: Coordinate> Area<N> for (N, N, N, N) {
#[inline] fn x (&self) -> N { self.0 }
#[inline] fn y (&self) -> N { self.1 }
#[inline] fn w (&self) -> N { self.2 }
#[inline] fn h (&self) -> N { self.3 }
}
impl<N: Coordinate> Area<N> for [N;4] {
#[inline] fn x (&self) -> N { self[0] }
#[inline] fn y (&self) -> N { self[1] }
#[inline] fn w (&self) -> N { self[2] }
#[inline] fn h (&self) -> N { self[3] }
}