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Implement Canvas support for iced_tiny_skia

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This commit is contained in:
Héctor Ramón Jiménez 2023-03-01 21:34:26 +01:00
parent 3f6e28fa9b
commit 5fd5d1cdf8
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GPG key ID: 140CC052C94F138E
65 changed files with 1354 additions and 570 deletions
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69
examples/game_of_life/src/main.rs
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@ -211,8 +211,8 @@ mod grid {
Cache, Canvas, Cursor, Frame, Geometry, Path, Text,
};
use iced::{
alignment, mouse, Color, Element, Length, Point, Rectangle, Size,
Theme, Vector,
alignment, mouse, Color, Element, Length, Point, Rectangle, Renderer,
Size, Theme, Vector,
};
use rustc_hash::{FxHashMap, FxHashSet};
use std::future::Future;
@ -393,7 +393,7 @@ mod grid {
}
}
impl canvas::Program<Message> for Grid {
impl canvas::Program<Message, Renderer> for Grid {
type State = Interaction;
fn update(
@ -536,13 +536,14 @@ mod grid {
fn draw(
&self,
_interaction: &Interaction,
renderer: &Renderer,
_theme: &Theme,
bounds: Rectangle,
cursor: Cursor,
) -> Vec<Geometry> {
let center = Vector::new(bounds.width / 2.0, bounds.height / 2.0);
let life = self.life_cache.draw(bounds.size(), |frame| {
let life = self.life_cache.draw(renderer, bounds.size(), |frame| {
let background = Path::rectangle(Point::ORIGIN, frame.size());
frame.fill(&background, Color::from_rgb8(0x40, 0x44, 0x4B));
@ -565,7 +566,7 @@ mod grid {
});
let overlay = {
let mut frame = Frame::new(bounds.size());
let mut frame = Frame::new(renderer, bounds.size());
let hovered_cell =
cursor.position_in(&bounds).map(|position| {
@ -626,38 +627,40 @@ mod grid {
if self.scaling < 0.2 || !self.show_lines {
vec![life, overlay]
} else {
let grid = self.grid_cache.draw(bounds.size(), |frame| {
frame.translate(center);
frame.scale(self.scaling);
frame.translate(self.translation);
frame.scale(Cell::SIZE as f32);
let grid =
self.grid_cache.draw(renderer, bounds.size(), |frame| {
frame.translate(center);
frame.scale(self.scaling);
frame.translate(self.translation);
frame.scale(Cell::SIZE as f32);
let region = self.visible_region(frame.size());
let rows = region.rows();
let columns = region.columns();
let (total_rows, total_columns) =
(rows.clone().count(), columns.clone().count());
let width = 2.0 / Cell::SIZE as f32;
let color = Color::from_rgb8(70, 74, 83);
let region = self.visible_region(frame.size());
let rows = region.rows();
let columns = region.columns();
let (total_rows, total_columns) =
(rows.clone().count(), columns.clone().count());
let width = 2.0 / Cell::SIZE as f32;
let color = Color::from_rgb8(70, 74, 83);
frame.translate(Vector::new(-width / 2.0, -width / 2.0));
frame
.translate(Vector::new(-width / 2.0, -width / 2.0));
for row in region.rows() {
frame.fill_rectangle(
Point::new(*columns.start() as f32, row as f32),
Size::new(total_columns as f32, width),
color,
);
}
for row in region.rows() {
frame.fill_rectangle(
Point::new(*columns.start() as f32, row as f32),
Size::new(total_columns as f32, width),
color,
);
}
for column in region.columns() {
frame.fill_rectangle(
Point::new(column as f32, *rows.start() as f32),
Size::new(width, total_rows as f32),
color,
);
}
});
for column in region.columns() {
frame.fill_rectangle(
Point::new(column as f32, *rows.start() as f32),
Size::new(width, total_rows as f32),
color,
);
}
});
vec![life, grid, overlay]
}