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Bezier-rs: Add lookup table function for subpath and make it support euclidean parameterization (#1082)

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* Add euclidean option for lut

* Add lut for subpath

* Fix rust formatting

* Fixed breakages caused by UI updates

* Code cleanup

* Make ProjectionOptions optional

---------

Co-authored-by: Rob Nadal <robnadal44@gmail.com>
Co-authored-by: Keavon Chambers <keavon@keavon.com>
This commit is contained in:
Linda Zheng
2023-03-27 21:05:00 -04:00
committed by Keavon Chambers
co-authored by Rob Nadal Keavon Chambers
parent d0ac86b713
commit 3733804d18
11 changed files with 99 additions and 37 deletions
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libraries/bezier-rs/src/bezier/transform.rs
+3 -3
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@@ -315,12 +315,12 @@ impl Bezier {
BezierHandles::Linear => Bezier::from_linear_dvec2(transformed_start, transformed_end),
BezierHandles::Quadratic { handle: _ } => unreachable!(),
BezierHandles::Cubic { handle_start, handle_end } => {
let handle_start_closest_t = intermediate.project(handle_start, ProjectionOptions::default());
let handle_start_closest_t = intermediate.project(handle_start, None);
let handle_start_scale_distance = (1. - handle_start_closest_t) * start_distance + handle_start_closest_t * end_distance;
let transformed_handle_start =
utils::scale_point_from_direction_vector(handle_start, intermediate.normal(TValue::Parametric(handle_start_closest_t)), false, handle_start_scale_distance);
let handle_end_closest_t = intermediate.project(handle_start, ProjectionOptions::default());
let handle_end_closest_t = intermediate.project(handle_start, None);
let handle_end_scale_distance = (1. - handle_end_closest_t) * start_distance + handle_end_closest_t * end_distance;
let transformed_handle_end = utils::scale_point_from_direction_vector(handle_end, intermediate.normal(TValue::Parametric(handle_end_closest_t)), false, handle_end_scale_distance);
Bezier::from_cubic_dvec2(transformed_start, transformed_handle_start, transformed_handle_end, transformed_end)
@@ -810,7 +810,7 @@ mod tests {
.iter()
.map(|t| {
let offset_point = offset_segment.evaluate(TValue::Parametric(*t));
let closest_point_t = bezier.project(offset_point, ProjectionOptions::default());
let closest_point_t = bezier.project(offset_point, None);
let closest_point = bezier.evaluate(TValue::Parametric(closest_point_t));
let actual_distance = offset_point.distance(closest_point);