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Decouple caching from layering and simplify everything

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Héctor Ramón Jiménez 2024-04-05 23:59:21 +02:00
parent 4a356cfc16
commit 6d3e1d835e
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GPG key ID: 7CC46565708259A7
15 changed files with 896 additions and 1199 deletions
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16
graphics/src/geometry/frame.rs
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@ -113,13 +113,11 @@ where
region: Rectangle,
f: impl FnOnce(&mut Self) -> R,
) -> R {
let mut frame = self.draft(region.size());
let mut frame = self.draft(region);
let result = f(&mut frame);
let origin = Point::new(region.x, region.y);
self.paste(frame, origin);
self.paste(frame, Point::new(region.x, region.y));
result
}
@ -129,14 +127,14 @@ where
/// Draw its contents back to this [`Frame`] with [`paste`].
///
/// [`paste`]: Self::paste
pub fn draft(&mut self, size: Size) -> Self {
fn draft(&mut self, clip_bounds: Rectangle) -> Self {
Self {
raw: self.raw.draft(size),
raw: self.raw.draft(clip_bounds),
}
}
/// Draws the contents of the given [`Frame`] with origin at the given [`Point`].
pub fn paste(&mut self, frame: Self, at: Point) {
fn paste(&mut self, frame: Self, at: Point) {
self.raw.paste(frame.raw, at);
}
@ -187,7 +185,7 @@ pub trait Backend: Sized {
fn scale(&mut self, scale: impl Into<f32>);
fn scale_nonuniform(&mut self, scale: impl Into<Vector>);
fn draft(&mut self, size: Size) -> Self;
fn draft(&mut self, clip_bounds: Rectangle) -> Self;
fn paste(&mut self, frame: Self, at: Point);
fn stroke<'a>(&mut self, path: &Path, stroke: impl Into<Stroke<'a>>);
@ -232,7 +230,7 @@ impl Backend for () {
fn scale(&mut self, _scale: impl Into<f32>) {}
fn scale_nonuniform(&mut self, _scale: impl Into<Vector>) {}
fn draft(&mut self, _size: Size) -> Self {}
fn draft(&mut self, _clip_bounds: Rectangle) -> Self {}
fn paste(&mut self, _frame: Self, _at: Point) {}
fn stroke<'a>(&mut self, _path: &Path, _stroke: impl Into<Stroke<'a>>) {}