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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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GPG key ID: 7CC46565708259A7
35 changed files with 1474 additions and 1210 deletions
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10
examples/multitouch/src/main.rs
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@ -5,7 +5,7 @@ use iced::mouse;
use iced::touch;
use iced::widget::canvas::event;
use iced::widget::canvas::stroke::{self, Stroke};
use iced::widget::canvas::{self, Canvas, Geometry};
use iced::widget::canvas::{self, Canvas};
use iced::{Color, Element, Length, Point, Rectangle, Renderer, Theme};
use std::collections::HashMap;
@ -83,11 +83,13 @@ impl canvas::Program<Message> for Multitouch {
fn draw(
&self,
_state: &Self::State,
renderer: &Renderer,
renderer: &mut Renderer,
_theme: &Theme,
bounds: Rectangle,
_cursor: mouse::Cursor,
) -> Vec<Geometry> {
) {
use canvas::Frame;
let fingerweb = self.cache.draw(renderer, bounds.size(), |frame| {
if self.fingers.len() < 2 {
return;
@ -154,6 +156,6 @@ impl canvas::Program<Message> for Multitouch {
}
});
vec![fingerweb]
renderer.draw_geometry([fingerweb]);
}
}