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Implement composable, type-safe renderer fallback

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Héctor Ramón Jiménez 2024-03-21 22:27:17 +01:00
parent 7e4ae8450e
commit 3645d34d6a
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35 changed files with 1474 additions and 1210 deletions
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10
examples/arc/src/main.rs
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@ -1,9 +1,7 @@
use std::{f32::consts::PI, time::Instant};
use iced::mouse;
use iced::widget::canvas::{
self, stroke, Cache, Canvas, Geometry, Path, Stroke,
};
use iced::widget::canvas::{self, stroke, Cache, Canvas, Frame, Path, Stroke};
use iced::{Element, Length, Point, Rectangle, Renderer, Subscription, Theme};
pub fn main() -> iced::Result {
@ -57,11 +55,11 @@ impl<Message> canvas::Program<Message> for Arc {
fn draw(
&self,
_state: &Self::State,
renderer: &Renderer,
renderer: &mut Renderer,
theme: &Theme,
bounds: Rectangle,
_cursor: mouse::Cursor,
) -> Vec<Geometry> {
) {
let geometry = self.cache.draw(renderer, bounds.size(), |frame| {
let palette = theme.palette();
@ -104,6 +102,6 @@ impl<Message> canvas::Program<Message> for Arc {
);
});
vec![geometry]
renderer.draw_geometry([geometry]);
}
}