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Implement viewport selection (#178)

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* Begin implementing viewport selection

* Implement viewport click and drag selection for ellipse and rectangle

* Begin implementing line selection

* Remove debug prints

* Run cargo format

* Use DVec2 instead of kurbo::Point

* Line and polyline intersection

* Run cargo format

* Add fix for missing layer panel update

* Replace point selection with box selection

* Formatting

Co-authored-by: Keavon Chambers <keavon@keavon.com>
This commit is contained in:
Paul Kupper
2021-07-05 01:05:12 +02:00
committed by GitHub
parent 20420c1286
commit ad064602a5
13 changed files with 293 additions and 25 deletions
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12
core/document/src/layers/rect.rs
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@@ -1,6 +1,10 @@
use glam::DAffine2;
use glam::DVec2;
use kurbo::Point;
use crate::intersection::intersect_quad_bez_path;
use crate::LayerId;
use super::style;
use super::LayerData;
@@ -17,7 +21,7 @@ impl Rect {
}
impl LayerData for Rect {
fn to_kurbo_path(&mut self, transform: glam::DAffine2, _style: style::PathStyle) -> kurbo::BezPath {
fn to_kurbo_path(&self, transform: glam::DAffine2, _style: style::PathStyle) -> kurbo::BezPath {
fn new_point(a: DVec2) -> Point {
Point::new(a.x, a.y)
}
@@ -32,4 +36,10 @@ impl LayerData for Rect {
fn render(&mut self, svg: &mut String, transform: glam::DAffine2, style: style::PathStyle) {
let _ = write!(svg, r#"<path d="{}" {} />"#, self.to_kurbo_path(transform, style).to_svg(), style.render());
}
fn intersects_quad(&self, quad: [DVec2; 4], path: &mut Vec<LayerId>, intersections: &mut Vec<Vec<LayerId>>, style: style::PathStyle) {
if intersect_quad_bez_path(quad, &self.to_kurbo_path(DAffine2::IDENTITY, style), true) {
intersections.push(path.clone());
}
}
}