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ham9zahandClaude Sonnet 5.5
3ea4802a53
Covers the Illustrator behaviour that a corner placed after a smooth anchor has no handles, so the segment is shaped by the previous outgoing handle alone. Co-Authored-By: Claude Sonnet 5.5 <[email protected]>
38 lines
1.8 KiB
Rust
38 lines
1.8 KiB
Rust
//! A click after a smooth anchor: the new corner has no handles, so the segment curves from the previous anchor's side only.
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#![allow(clippy::unwrap_used, clippy::expect_used, clippy::panic)]
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use serde_json::json;
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use vectorcraft_doc::NodeKind;
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use vectorcraft_engine::{Session, ViewInfo};
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use vectorcraft_geom::Point;
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use vectorcraft_tools::{PointerEvent, PointerKind};
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#[test]
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fn click_after_a_smooth_anchor_curves_from_its_side_only() {
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let mut s = Session::new();
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s.execute("file.new", &json!({"width": 800, "height": 600})).unwrap();
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let view = ViewInfo { zoom: 1.0, smart_guides: false, snap_to_grid: false, snap_to_pixel: false, snap_to_point: false, ..Default::default() };
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s.select_tool("pen", view).unwrap();
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let mut at = |kind, x, y| s.pointer(&PointerEvent::new(kind, x, y), view).unwrap();
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// Press and drag out a smooth anchor at (100, 100), then click a corner at (300, 100).
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at(PointerKind::Down, 100.0, 100.0);
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at(PointerKind::Drag, 150.0, 60.0);
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at(PointerKind::Up, 150.0, 60.0);
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at(PointerKind::Down, 300.0, 100.0);
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at(PointerKind::Up, 300.0, 100.0);
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let mut path = None;
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s.doc().unwrap().doc.walk(|n| {
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if let NodeKind::Path { path: p, .. } = &n.kind {
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path = Some(p.clone());
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}
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});
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let sp = &path.unwrap().subpaths[0];
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let (a, b) = (&sp.anchors[0], &sp.anchors[1]);
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assert_eq!(a.h_out, Point::new(150.0, 60.0), "the outgoing handle stays where the drag left it");
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assert_eq!(a.h_in, Point::new(50.0, 140.0), "mirrored through the anchor");
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assert!(!b.has_in() && !b.has_out(), "a click places a corner without handles");
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assert!(!sp.segment_is_line(0), "the segment is a curve, shaped by the previous anchor's handle only");
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assert_eq!(sp.segment(0).p2, b.p);
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}
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