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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/color_palette/src/main.rs
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@ -1,6 +1,6 @@
use iced::alignment::{self, Alignment};
use iced::mouse;
use iced::widget::canvas::{self, Canvas, Frame, Geometry, Path};
use iced::widget::canvas::{self, Canvas, Frame, Path};
use iced::widget::{column, row, text, Slider};
use iced::{
Color, Element, Font, Length, Pixels, Point, Rectangle, Renderer, Size,
@ -156,7 +156,7 @@ impl Theme {
.into()
}
fn draw(&self, frame: &mut Frame, text_color: Color) {
fn draw(&self, frame: &mut impl Frame, text_color: Color) {
let pad = 20.0;
let box_size = Size {
@ -252,18 +252,18 @@ impl<Message> canvas::Program<Message> for Theme {
fn draw(
&self,
_state: &Self::State,
renderer: &Renderer,
renderer: &mut Renderer,
theme: &iced::Theme,
bounds: Rectangle,
_cursor: mouse::Cursor,
) -> Vec<Geometry> {
) {
let theme = self.canvas_cache.draw(renderer, bounds.size(), |frame| {
let palette = theme.extended_palette();
self.draw(frame, palette.background.base.text);
});
vec![theme]
renderer.draw_geometry([theme]);
}
}