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41 lines
1.2 KiB
Rust
41 lines
1.2 KiB
Rust
use glam::DAffine2;
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use glam::DVec2;
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use kurbo::Point;
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use crate::intersection::intersect_quad_bez_path;
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use crate::LayerId;
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use super::style;
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use super::LayerData;
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use serde::{Deserialize, Serialize};
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use std::fmt::Write;
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#[derive(Debug, Default, Clone, Copy, PartialEq, Deserialize, Serialize)]
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pub struct Line;
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impl LayerData for Line {
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fn to_kurbo_path(&self, transform: glam::DAffine2, _style: style::PathStyle) -> kurbo::BezPath {
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fn new_point(a: DVec2) -> Point {
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Point::new(a.x, a.y)
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}
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let mut path = kurbo::BezPath::new();
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path.move_to(new_point(transform.translation));
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path.line_to(new_point(transform.transform_point2(DVec2::ONE)));
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path
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}
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fn render(&mut self, svg: &mut String, transform: glam::DAffine2, style: style::PathStyle) {
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let [x1, y1] = transform.translation.to_array();
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let [x2, y2] = transform.transform_point2(DVec2::ONE).to_array();
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let _ = write!(svg, r#"<line x1="{}" y1="{}" x2="{}" y2="{}"{} />"#, x1, y1, x2, y2, style.render(),);
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}
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fn intersects_quad(&self, quad: [DVec2; 4], path: &mut Vec<LayerId>, intersections: &mut Vec<Vec<LayerId>>, style: style::PathStyle) {
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if intersect_quad_bez_path(quad, &self.to_kurbo_path(DAffine2::IDENTITY, style), false) {
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intersections.push(path.clone());
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}
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}
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}
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