| use bezier_rs::{ManipulatorGroup, Subpath}; |
| use glam::DVec2; |
| use graphene_core::vector::PointId; |
|
|
| pub fn convert_usvg_path(path: &usvg::Path) -> Vec<Subpath<PointId>> { |
| let mut subpaths = Vec::new(); |
| let mut groups = Vec::new(); |
|
|
| let mut points = path.data().points().iter(); |
| let to_vec = |p: &usvg::tiny_skia_path::Point| DVec2::new(p.x as f64, p.y as f64); |
|
|
| for verb in path.data().verbs() { |
| match verb { |
| usvg::tiny_skia_path::PathVerb::Move => { |
| subpaths.push(Subpath::new(std::mem::take(&mut groups), false)); |
| let Some(start) = points.next().map(to_vec) else { continue }; |
| groups.push(ManipulatorGroup::new(start, Some(start), Some(start))); |
| } |
| usvg::tiny_skia_path::PathVerb::Line => { |
| let Some(end) = points.next().map(to_vec) else { continue }; |
| groups.push(ManipulatorGroup::new(end, Some(end), Some(end))); |
| } |
| usvg::tiny_skia_path::PathVerb::Quad => { |
| let Some(handle) = points.next().map(to_vec) else { continue }; |
| let Some(end) = points.next().map(to_vec) else { continue }; |
| if let Some(last) = groups.last_mut() { |
| last.out_handle = Some(last.anchor + (2. / 3.) * (handle - last.anchor)); |
| } |
| groups.push(ManipulatorGroup::new(end, Some(end + (2. / 3.) * (handle - end)), Some(end))); |
| } |
| usvg::tiny_skia_path::PathVerb::Cubic => { |
| let Some(first_handle) = points.next().map(to_vec) else { continue }; |
| let Some(second_handle) = points.next().map(to_vec) else { continue }; |
| let Some(end) = points.next().map(to_vec) else { continue }; |
| if let Some(last) = groups.last_mut() { |
| last.out_handle = Some(first_handle); |
| } |
| groups.push(ManipulatorGroup::new(end, Some(second_handle), Some(end))); |
| } |
| usvg::tiny_skia_path::PathVerb::Close => { |
| subpaths.push(Subpath::new(std::mem::take(&mut groups), true)); |
| } |
| } |
| } |
| subpaths.push(Subpath::new(groups, false)); |
| subpaths |
| } |
|
|
