me/iced
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Implement Canvas support for iced_tiny_skia

Browse source
This commit is contained in:
Héctor Ramón Jiménez 2023-03-01 21:34:26 +01:00
parent 3f6e28fa9b
commit 5fd5d1cdf8
No known key found for this signature in database
GPG key ID: 140CC052C94F138E
65 changed files with 1354 additions and 570 deletions
Download patch file Download diff file Expand all files Collapse all files

25
examples/bezier_tool/src/main.rs
View file

@ -64,7 +64,7 @@ mod bezier {
use iced::widget::canvas::{
self, Canvas, Cursor, Frame, Geometry, Path, Stroke,
};
use iced::{Element, Length, Point, Rectangle, Theme};
use iced::{Element, Length, Point, Rectangle, Renderer, Theme};
#[derive(Default)]
pub struct State {
@ -92,7 +92,7 @@ mod bezier {
curves: &'a [Curve],
}
impl<'a> canvas::Program<Curve> for Bezier<'a> {
impl<'a> canvas::Program<Curve, Renderer> for Bezier<'a> {
type State = Option<Pending>;
fn update(
@ -152,22 +152,26 @@ mod bezier {
fn draw(
&self,
state: &Self::State,
renderer: &Renderer,
_theme: &Theme,
bounds: Rectangle,
cursor: Cursor,
) -> Vec<Geometry> {
let content =
self.state.cache.draw(bounds.size(), |frame: &mut Frame| {
let content = self.state.cache.draw(
renderer,
bounds.size(),
|frame: &mut Frame| {
Curve::draw_all(self.curves, frame);
frame.stroke(
&Path::rectangle(Point::ORIGIN, frame.size()),
Stroke::default().with_width(2.0),
);
});
},
);
if let Some(pending) = state {
let pending_curve = pending.draw(bounds, cursor);
let pending_curve = pending.draw(renderer, bounds, cursor);
vec![content, pending_curve]
} else {
@ -216,8 +220,13 @@ mod bezier {
}
impl Pending {
fn draw(&self, bounds: Rectangle, cursor: Cursor) -> Geometry {
let mut frame = Frame::new(bounds.size());
fn draw(
&self,
renderer: &Renderer,
bounds: Rectangle,
cursor: Cursor,
) -> Geometry {
let mut frame = Frame::new(renderer, bounds.size());
if let Some(cursor_position) = cursor.position_in(&bounds) {
match *self {