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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 Keavon Chambers
parent 94c42ff5d7
commit 751fabb417
13 changed files with 293 additions and 25 deletions
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13
core/document/src/layers/shape.rs
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@@ -1,3 +1,8 @@
use glam::DAffine2;
use glam::DVec2;
use crate::intersection::intersect_quad_bez_path;
use crate::LayerId;
use kurbo::BezPath;
use kurbo::Vec2;
@@ -20,7 +25,7 @@ impl Shape {
}
impl LayerData for Shape {
fn to_kurbo_path(&mut self, transform: glam::DAffine2, _style: style::PathStyle) -> BezPath {
fn to_kurbo_path(&self, transform: glam::DAffine2, _style: style::PathStyle) -> BezPath {
fn unit_rotation(theta: f64) -> Vec2 {
Vec2::new(-theta.sin(), theta.cos())
}
@@ -66,4 +71,10 @@ impl LayerData for Shape {
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());
}
}
}