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Live Paint: the Live Paint tools skip hidden edges

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An edge hidden on its own (for example with Object > Hide) while its
Live Paint group stays visible could still be highlighted, selected or
stroked, and a hidden edge nearer the pointer kept a visible one from
being picked.

lp_part_at now takes the nearest visible edge (visible_edge_near), inside
and outside the faces, for the hover, the Live Paint Selection click and
the Bucket's Shift-click. The Bucket's Shift-click sends nothing where no
edge is highlighted, and livePaint.strokeEdge also skips hidden edges, so
the Bucket strokes the edge it highlights.
This commit is contained in:
dotCooCoo
2026-10-21 16:46:11 +07:00
committed by bflatastic
parent ed93963d73
commit 0ec23d90bc
3 changed files with 79 additions and 9 deletions
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crates/engine/src/cmd/buildcmds.rs
+1 -1
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@@ -766,7 +766,7 @@ fn lp_stroke_edge(s: &mut Session, p: &Value) -> Result<Value> {
let tol = f64_or(p, "tolerance", 4.0).clamp(0.0, 1000.0);
let edge = s.edit("Live Paint Bucket", |d, _| {
let n = d.node(g).filter(|n| is_live_paint(n)).ok_or_else(|| bad(C, format!("{g} is not a Live Paint group")))?;
let eid = edge_near(n, pt, tol).map(|e| e.id).ok_or_else(|| EngineError::Other("no Live Paint edge near that point".into()))?;
let eid = b::visible_edge_near(n, pt, tol).map(|e| e.id).ok_or_else(|| EngineError::Other("no Live Paint edge near that point".into()))?;
let e = d.node_mut(eid).ok_or(EngineError::NoNode(eid))?;
e.appearance.set_stroke(paint.clone());
if let Some(st) = e.appearance.stroke_mut() {