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Bezier-rs: Add joins and caps to offsets and outlines (#1083)

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* Intial work

* Improve miter and add round join

* Get arcs to go opposite direction

* Add cap and other refactors

* Rename joint to join, fix some bugs

* Fix single point issue

* Clean up

* Fix iframe sizes and update UI

* Address comments and handle single point outline

* Rename variables, fix branches in outline

* Address comments
This commit is contained in:
Hannah Li
2023-03-27 16:25:08 -04:00
committed by Keavon Chambers
parent 7e124c8035
commit c0576ab4e0
18 changed files with 684 additions and 173 deletions
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libraries/bezier-rs/src/subpath/core.rs
+12 -1
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@@ -88,7 +88,7 @@ impl<ManipulatorGroupId: crate::Identifier> Subpath<ManipulatorGroupId> {
/// Returns the number of segments contained within the `Subpath`.
pub fn len_segments(&self) -> usize {
let mut number_of_curves = self.len();
if !self.closed {
if !self.closed && number_of_curves > 0 {
number_of_curves -= 1
}
number_of_curves
@@ -112,6 +112,17 @@ impl<ManipulatorGroupId: crate::Identifier> Subpath<ManipulatorGroupId> {
&self.manipulator_groups
}
/// Returns if the Subpath is equivalent to a single point.
pub fn is_point(&self) -> bool {
if self.is_empty() {
return false;
}
let point = self.manipulator_groups[0].anchor;
self.manipulator_groups
.iter()
.all(|manipulator_group| manipulator_group.anchor.abs_diff_eq(point, MAX_ABSOLUTE_DIFFERENCE))
}
/// Appends to the `svg` mutable string with an SVG shape representation of the curve.
pub fn curve_to_svg(&self, svg: &mut String, attributes: String) {
let curve_start_argument = format!("{SVG_ARG_MOVE}{} {}", self[0].anchor.x, self[0].anchor.y);