Graphite/node-graph/gcore/src/math/math_ext.rs

33 lines
1.0 KiB
Rust

use crate::math::quad::Quad;
use crate::math::rect::Rect;
use crate::subpath::Bezier;
use crate::vector::misc::dvec2_to_point;
use kurbo::{Line, PathSeg};
pub trait QuadExt {
/// Get all the edges in the rect as linear bezier curves
fn bezier_lines(&self) -> impl Iterator<Item = Bezier> + '_;
fn to_lines(&self) -> impl Iterator<Item = PathSeg>;
}
impl QuadExt for Quad {
fn bezier_lines(&self) -> impl Iterator<Item = Bezier> + '_ {
self.all_edges().into_iter().map(|[start, end]| Bezier::from_linear_dvec2(start, end))
}
fn to_lines(&self) -> impl Iterator<Item = PathSeg> {
self.all_edges().into_iter().map(|[start, end]| PathSeg::Line(Line::new(dvec2_to_point(start), dvec2_to_point(end))))
}
}
pub trait RectExt {
/// Get all the edges in the quad as linear bezier curves
fn bezier_lines(&self) -> impl Iterator<Item = Bezier> + '_;
}
impl RectExt for Rect {
fn bezier_lines(&self) -> impl Iterator<Item = Bezier> + '_ {
self.edges().into_iter().map(|[start, end]| Bezier::from_linear_dvec2(start, end))
}
}