412 lines
20 KiB
Rust
412 lines
20 KiB
Rust
//! Appearance stacks: the active item that paint, stroke, gradient and transparency edits target
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//! (`appearance.setActiveItem`, the `item` param).
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use serde_json::{Value, json};
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use vectorcraft_color::{BlendMode, Color, GradientKind, Paint};
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use vectorcraft_doc::{AppearanceItem, Node};
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use super::*;
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fn session() -> Session {
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let mut s = Session::new();
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s.execute("file.new", &json!({"width": 400, "height": 400})).unwrap();
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s
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}
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/// A selected 100×100 rectangle with the default appearance `[Fill white, Stroke black]`.
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fn rect(s: &mut Session, x: f64) -> NodeId {
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let r = s.execute("shape.rectangle", &json!({"x": x, "y": 100, "width": 100, "height": 100})).unwrap();
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let id = NodeId(r["id"].as_u64().unwrap());
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s.execute("select.set", &json!({"ids": [id.0]})).unwrap();
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id
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}
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fn node(s: &Session, id: NodeId) -> Node {
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s.doc().unwrap().doc.node(id).unwrap().clone()
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}
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fn run(s: &mut Session, id: &str, p: Value) -> Value {
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s.execute(id, &p).unwrap_or_else(|e| panic!("{id} {p}: {e}"))
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}
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fn stroke(n: &Node, i: usize) -> &vectorcraft_doc::StrokeLayer {
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n.appearance.stroke_at(Some(i)).unwrap_or_else(|| panic!("item {i} is not a stroke"))
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}
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fn fill_paint(n: &Node, i: usize) -> &Paint {
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&n.appearance.fill_at(Some(i)).unwrap_or_else(|| panic!("item {i} is not a fill")).paint
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}
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#[test]
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fn stroke_set_with_item_changes_only_that_stroke() {
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let mut s = session();
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let id = rect(&mut s, 100.0);
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run(&mut s, "appearance.addStroke", json!({})); // [Fill, Stroke, Stroke]
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run(&mut s, "stroke.set", json!({"item": 1, "dash": [4, 2], "weight": 6}));
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let n = node(&s, id);
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assert_eq!(stroke(&n, 1).dash.as_ref().unwrap().pattern, vec![4.0, 2.0]);
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assert_eq!(stroke(&n, 1).width, 6.0);
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assert!(stroke(&n, 2).dash.is_none());
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assert_eq!(stroke(&n, 2).width, 1.0);
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run(&mut s, "stroke.setAdvanced", json!({"item": 1, "arrowScale": [50, 200]}));
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let n = node(&s, id);
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assert_eq!((stroke(&n, 1).arrow_scale, stroke(&n, 2).arrow_scale), ((50.0, 200.0), (100.0, 100.0)));
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// An explicit item must be a stroke; nothing changes when it is not.
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assert!(s.execute("stroke.set", &json!({"item": 0, "weight": 9})).is_err());
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assert!(s.execute("stroke.set", &json!({"item": 7, "weight": 9})).is_err());
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assert!(s.execute("stroke.set", &json!({"item": "top", "weight": 9})).is_err());
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assert_eq!(stroke(&node(&s, id), 2).width, 1.0);
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// Without an item the top stroke changes.
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run(&mut s, "stroke.set", json!({"weight": 3}));
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let n = node(&s, id);
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assert_eq!((stroke(&n, 1).width, stroke(&n, 2).width), (6.0, 3.0));
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}
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#[test]
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fn edit_gradient_on_the_lower_fill() {
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let mut s = session();
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let id = rect(&mut s, 100.0);
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run(&mut s, "appearance.addFill", json!({})); // [Fill, Stroke, Fill]
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run(&mut s, "paint.editGradient", json!({"item": 0, "kind": "radial"}));
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let n = node(&s, id);
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let Paint::Gradient(g) = fill_paint(&n, 0) else { panic!("lower fill is not a gradient") };
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assert_eq!(g.gradient.kind, GradientKind::Radial);
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assert_eq!(*fill_paint(&n, 2), Paint::solid(Color::WHITE));
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// The gradient vector of the lower fill, through the active item (the gradient tool's path).
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run(&mut s, "appearance.setActiveItem", json!({"index": 0}));
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run(&mut s, "paint.setGradientGeom", json!({"start": [100, 150], "end": [200, 150]}));
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let n = node(&s, id);
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let Paint::Gradient(g) = fill_paint(&n, 0) else { panic!() };
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assert_eq!(g.geom.unwrap().end.x, 200.0);
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assert_eq!(*fill_paint(&n, 2), Paint::solid(Color::WHITE));
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// A stroke row makes the gradient vector a stroke gradient.
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run(&mut s, "appearance.setActiveItem", json!({"index": 1}));
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run(&mut s, "paint.setGradientGeom", json!({"start": [100, 150], "end": [100, 250]}));
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assert!(matches!(stroke(&node(&s, id), 1).paint, Paint::Gradient(_)));
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}
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#[test]
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fn active_item_targets_paint_and_proxies_and_clears_on_selection_change() {
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let mut s = session();
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let other = rect(&mut s, 250.0);
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let id = rect(&mut s, 100.0);
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run(&mut s, "appearance.addFill", json!({})); // [Fill, Stroke, Fill]
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assert!(s.execute("appearance.setActiveItem", &json!({"index": 5})).is_err());
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assert_eq!(run(&mut s, "appearance.setActiveItem", json!({"index": 0}))["index"], 0);
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assert_eq!(s.appearance_item(), Some(0));
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assert_eq!(inspect::document(&s)["paint"]["appearanceItem"], 0);
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assert!(s.fill_active);
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run(&mut s, "paint.setFill", json!({"color": "#ff0000"}));
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let n = node(&s, id);
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assert_eq!(fill_paint(&n, 0).color().unwrap().to_hex(), "#ff0000");
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assert_eq!(*fill_paint(&n, 2), Paint::solid(Color::WHITE));
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// The stroke edits fall back to the top stroke while a fill row is active.
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run(&mut s, "paint.setStroke", json!({"color": "#00ff00"}));
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assert_eq!(stroke(&node(&s, id), 1).paint.color().unwrap().to_hex(), "#00ff00");
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// The proxies show the active row for its kind and the top one for the other.
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let (f, st) = s.proxy_paints();
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assert_eq!((f.color().unwrap().to_hex(), st.color().unwrap().to_hex()), ("#ff0000".to_string(), "#00ff00".to_string()));
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// A stroke row brings the Stroke proxy forward.
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run(&mut s, "appearance.setActiveItem", json!({"index": 1}));
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assert!(!s.fill_active);
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// Changing the selection clears it, also when the same object is selected again.
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run(&mut s, "select.set", json!({"ids": [other.0]}));
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assert_eq!(s.appearance_item(), None);
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run(&mut s, "select.set", json!({"ids": [id.0]}));
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assert_eq!(s.appearance_item(), None);
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run(&mut s, "paint.setFill", json!({"color": "#0000ff"}));
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let n = node(&s, id);
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assert_eq!(fill_paint(&n, 2).color().unwrap().to_hex(), "#0000ff");
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assert_eq!(fill_paint(&n, 0).color().unwrap().to_hex(), "#ff0000");
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// Explicit ids never use the active item, and `null` forces the top one.
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run(&mut s, "appearance.setActiveItem", json!({"index": 0}));
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run(&mut s, "paint.setFill", json!({"color": "#222222", "ids": [id.0]}));
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assert_eq!(fill_paint(&node(&s, id), 2).color().unwrap().to_hex(), "#222222");
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run(&mut s, "paint.setFill", json!({"color": "#111111", "item": null}));
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let n = node(&s, id);
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assert_eq!(fill_paint(&n, 2).color().unwrap().to_hex(), "#111111");
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assert_eq!(fill_paint(&n, 0).color().unwrap().to_hex(), "#ff0000");
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run(&mut s, "appearance.setActiveItem", json!({"index": null}));
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assert_eq!(s.appearance_item(), None);
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}
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#[test]
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fn item_rows_follow_remove_and_move() {
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let mut s = session();
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let id = rect(&mut s, 100.0);
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run(&mut s, "appearance.addFill", json!({})); // [Fill, Stroke, Fill]
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run(&mut s, "appearance.setActiveItem", json!({"index": 1}));
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run(&mut s, "appearance.moveItem", json!({"from": 1, "to": 2}));
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assert_eq!(s.appearance_item(), Some(2));
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assert!(matches!(node(&s, id).appearance.items[2], AppearanceItem::Stroke(_)));
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run(&mut s, "appearance.removeItem", json!({"index": 0}));
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assert_eq!(s.appearance_item(), Some(1));
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run(&mut s, "appearance.removeItem", json!({"index": 1}));
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assert_eq!(s.appearance_item(), None);
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}
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#[test]
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fn transparency_goes_to_the_targeted_item() {
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let mut s = session();
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let id = rect(&mut s, 100.0);
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run(&mut s, "transparency.set", json!({"item": 1, "opacity": 40, "blend": "multiply"}));
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let n = node(&s, id);
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assert_eq!((stroke(&n, 1).opacity, stroke(&n, 1).blend), (0.4, BlendMode::Multiply));
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assert_eq!((n.opacity, n.blend), (1.0, BlendMode::Normal));
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run(&mut s, "appearance.setActiveItem", json!({"index": 0}));
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// Opacity and blend go to the active item, isolate stays on the object.
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run(&mut s, "transparency.set", json!({"opacity": 1, "isolate": true}));
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let n = node(&s, id);
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assert!((n.appearance.items[0].opacity() - 0.01).abs() < 1e-6);
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assert!(n.isolate);
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assert_eq!(n.opacity, 1.0);
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run(&mut s, "transparency.set", json!({"item": null, "opacity": 50}));
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assert_eq!(node(&s, id).opacity, 0.5);
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assert!(s.execute("transparency.set", &json!({"item": 9, "opacity": 50})).is_err());
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}
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#[test]
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fn group_rows_are_the_groups_own_stack() {
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let mut s = session();
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let a = rect(&mut s, 100.0);
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let b = rect(&mut s, 250.0);
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run(&mut s, "select.set", json!({"ids": [a.0, b.0]}));
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let g = NodeId(run(&mut s, "object.group", json!({}))["id"].as_u64().unwrap());
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run(&mut s, "appearance.addFill", json!({}));
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assert_eq!(node(&s, g).appearance.items.len(), 1);
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assert_eq!(node(&s, a).appearance.items.len(), 2);
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run(&mut s, "appearance.setActiveItem", json!({"index": 0}));
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run(&mut s, "paint.setFill", json!({"color": "#ff0000"}));
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assert_eq!(fill_paint(&node(&s, g), 0).color().unwrap().to_hex(), "#ff0000");
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assert_eq!(*fill_paint(&node(&s, a), 0), Paint::solid(Color::WHITE));
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// Without a targeted item, a group's fill edit still recolours its contents.
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run(&mut s, "appearance.setActiveItem", json!({"index": null}));
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run(&mut s, "paint.setFill", json!({"color": "#00ff00"}));
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assert_eq!(fill_paint(&node(&s, b), 0).color().unwrap().to_hex(), "#00ff00");
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}
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#[test]
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fn text_items_take_item_paint() {
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let mut s = session();
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let t = NodeId(run(&mut s, "text.create", json!({"x": 10, "y": 50, "text": "Hi"}))["id"].as_u64().unwrap());
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run(&mut s, "select.set", json!({"ids": [t.0]}));
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run(&mut s, "appearance.addFill", json!({}));
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run(&mut s, "paint.setFill", json!({"item": 0, "color": "#ff0000"}));
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let n = node(&s, t);
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assert_eq!(fill_paint(&n, 0).color().unwrap().to_hex(), "#ff0000");
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let vectorcraft_doc::NodeKind::Text(tx) = &n.kind else { panic!() };
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assert_ne!(tx.first_style().fill, Paint::solid(Color::from_hex("#ff0000").unwrap()));
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}
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#[test]
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fn effects_land_on_the_targeted_item() {
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let mut s = session();
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let id = rect(&mut s, 100.0);
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let r = run(&mut s, "effect.apply", json!({"effect": "distort.roughen", "item": 1}));
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assert_eq!((r["index"].clone(), r["item"].clone()), (json!(0), json!(1)));
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let n = node(&s, id);
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assert_eq!(stroke(&n, 1).effects.len(), 1);
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assert!(n.appearance.effects.is_empty() && n.appearance.items[0].effects().is_empty());
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run(&mut s, "edit.undo", json!({}));
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assert!(stroke(&node(&s, id), 1).effects.is_empty());
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assert!(s.execute("effect.apply", &json!({"effect": "distort.roughen", "item": 9})).is_err());
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assert!(s.execute("effect.apply", &json!({"effect": "distort.roughen", "item": -1})).is_err());
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// The active item takes the Effect menu's effects (and its alias).
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run(&mut s, "appearance.setActiveItem", json!({"index": 0}));
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run(&mut s, "effect.apply", json!({"effect": "distort.twist"}));
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run(&mut s, "appearance.addEffect", json!({"effect": "stylize.roundCorners"}));
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let n = node(&s, id);
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assert_eq!(n.appearance.items[0].effects().iter().map(|e| e.id.as_str()).collect::<Vec<_>>(), ["distort.twist", "stylize.roundCorners"]);
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let l = run(&mut s, "effect.list", json!({}));
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assert_eq!(l["activeItem"], 0);
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assert_eq!(l["applied"][0]["items"][0]["kind"], "fill");
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assert_eq!(l["applied"][0]["items"][0]["effects"].as_array().unwrap().len(), 2);
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// Sub-row eye, duplicate and delete address the item's list.
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run(&mut s, "effect.setParams", json!({"index": 1, "visible": false}));
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run(&mut s, "effect.duplicate", json!({"index": 0}));
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run(&mut s, "effect.remove", json!({"index": 2}));
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let fx = node(&s, id).appearance.items[0].effects().clone();
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assert_eq!(fx.iter().map(|e| (e.id.as_str(), e.visible)).collect::<Vec<_>>(), [("distort.twist", true), ("distort.twist", true)]);
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assert!(s.execute("effect.remove", &json!({"index": 5})).is_err());
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// `item: null` addresses the object's own effects.
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run(&mut s, "effect.apply", json!({"effect": "stylize.dropShadow", "item": null}));
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assert_eq!(node(&s, id).appearance.effects.len(), 1);
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}
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#[test]
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fn per_fill_offset_path_renders() {
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let mut s = session();
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let id = rect(&mut s, 100.0);
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run(&mut s, "paint.setFill", json!({"color": "#ff0000"}));
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run(&mut s, "paint.setStroke", json!({"none": true}));
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let render = |s: &Session| {
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vectorcraft_render::Renderer::new().render(&s.doc().unwrap().doc, 400, 400, vectorcraft_geom::Affine::IDENTITY, &Default::default())
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};
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assert_eq!(render(&s).pixel(90, 150)[3], 0);
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run(&mut s, "effect.apply", json!({"effect": "path.offsetPath", "params": {"offset": 20}, "item": 0}));
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assert_eq!(node(&s, id).appearance.items[0].effects().len(), 1);
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let px = render(&s).pixel(90, 150);
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assert!(px[0] > 200 && px[3] > 200, "{px:?}");
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}
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#[test]
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fn text_fill_items_composite_with_their_opacity() {
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let mut s = session();
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let t = NodeId(run(&mut s, "text.create", json!({"x": 20, "y": 200, "text": "HIM", "size": 150}))["id"].as_u64().unwrap());
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run(&mut s, "select.set", json!({"ids": [t.0]}));
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run(&mut s, "appearance.addFill", json!({}));
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run(&mut s, "appearance.setItem", json!({"index": 0, "color": "#ff0000"}));
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let render = |s: &Session| {
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vectorcraft_render::Renderer::new().render(&s.doc().unwrap().doc, 400, 400, vectorcraft_geom::Affine::IDENTITY, &Default::default())
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};
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let opaque = render(&s);
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// A pixel the red fill covers fully (over the black character fill).
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let (x, y) = (0..400u32).flat_map(|y| (0..400u32).map(move |x| (x, y))).find(|&(x, y)| opaque.pixel(x, y) == [255, 0, 0, 255]).expect("red text");
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run(&mut s, "appearance.setItem", json!({"index": 0, "opacity": 50, "blend": "multiply"}));
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let px = render(&s).pixel(x, y);
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// Half of red multiplied over black: black.
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assert!(px[0] < 20 && px[3] == 255, "{px:?}");
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run(&mut s, "appearance.setItem", json!({"index": 0, "blend": "normal"}));
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let px = render(&s).pixel(x, y);
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assert!((110..=145).contains(&px[0]) && px[1] < 10, "{px:?}");
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}
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#[test]
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fn add_fill_and_stroke_copy_the_top_ones() {
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let mut s = session();
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let id = rect(&mut s, 100.0);
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run(&mut s, "paint.setFill", json!({"color": "#ff0000"}));
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run(&mut s, "stroke.set", json!({"weight": 4}));
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run(&mut s, "appearance.addFill", json!({}));
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run(&mut s, "appearance.addStroke", json!({})); // [Fill, Stroke, Fill, Stroke]
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let n = node(&s, id);
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assert_eq!(n.appearance.items.iter().map(AppearanceItem::kind_name).collect::<Vec<_>>(), ["fill", "stroke", "fill", "stroke"]);
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assert_eq!(fill_paint(&n, 2).color().unwrap().to_hex(), "#ff0000");
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assert_eq!(stroke(&n, 3).width, 4.0);
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assert!(!n.appearance.is_basic());
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run(&mut s, "edit.undo", json!({}));
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assert_eq!(node(&s, id).appearance.items.len(), 3);
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}
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#[test]
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fn set_item_and_remove_item() {
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let mut s = session();
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let id = rect(&mut s, 100.0);
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run(&mut s, "appearance.setItem", json!({"index": 1, "opacity": 50, "blend": "screen", "weight": 3, "color": "#0000ff"}));
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let n = node(&s, id);
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let st = stroke(&n, 1);
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assert_eq!((st.opacity, st.blend, st.width), (0.5, BlendMode::Screen, 3.0));
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assert_eq!(st.paint.color().unwrap().to_hex(), "#0000ff");
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run(&mut s, "appearance.setItem", json!({"index": 0, "visible": false, "opacity": 25}));
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let n = node(&s, id);
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assert!(!n.appearance.items[0].visible() && n.appearance.items[0].opacity() == 0.25);
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assert!(s.execute("appearance.setItem", &json!({})).is_err());
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run(&mut s, "appearance.removeItem", json!({"index": 0}));
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let n = node(&s, id);
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assert_eq!(n.appearance.items.len(), 1);
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assert!(n.appearance.fill().is_none() && n.appearance.stroke().is_some());
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}
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#[test]
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fn clear_and_reduce_to_basic() {
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let mut s = session();
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let id = rect(&mut s, 100.0);
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run(&mut s, "appearance.addStroke", json!({}));
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run(&mut s, "appearance.setItem", json!({"index": 2, "visible": false, "color": "#00ff00"}));
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run(&mut s, "appearance.setItem", json!({"index": 1, "opacity": 50}));
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run(&mut s, "effect.apply", json!({"effect": "distort.roughen", "item": 1}));
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run(&mut s, "effect.apply", json!({"effect": "stylize.dropShadow", "item": null}));
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run(&mut s, "transparency.set", json!({"opacity": 40, "blend": "multiply"}));
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// Reduce keeps the topmost visible fill and stroke, plain, and the object's transparency.
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run(&mut s, "appearance.reduceToBasic", json!({}));
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let n = node(&s, id);
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assert!(n.appearance.is_basic(), "{:?}", n.appearance);
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assert_eq!(stroke(&n, 1).paint, Paint::solid(Color::BLACK));
|
||
assert_eq!((n.opacity, n.blend), (0.4, BlendMode::Multiply));
|
||
// Clear leaves one None fill and stroke, and resets the object's Opacity row.
|
||
run(&mut s, "appearance.clear", json!({}));
|
||
let n = node(&s, id);
|
||
assert_eq!(n.appearance, vectorcraft_doc::Appearance::basic(Paint::None, Paint::None, 1.0));
|
||
assert_eq!((n.opacity, n.blend), (1.0, BlendMode::Normal));
|
||
run(&mut s, "edit.undo", json!({}));
|
||
assert_eq!(node(&s, id).opacity, 0.4);
|
||
}
|
||
|
||
#[test]
|
||
fn graphic_style_apply_replaces_the_stack() {
|
||
let mut s = session();
|
||
let a = rect(&mut s, 100.0);
|
||
run(&mut s, "appearance.addFill", json!({}));
|
||
run(&mut s, "effect.apply", json!({"effect": "distort.roughen"}));
|
||
let name = run(&mut s, "graphicStyle.new", json!({"name": "Rough"}))["name"].clone();
|
||
let b = rect(&mut s, 250.0);
|
||
run(&mut s, "graphicStyle.apply", json!({ "name": name }));
|
||
assert_eq!(node(&s, b).appearance, node(&s, a).appearance);
|
||
assert!(s.execute("graphicStyle.apply", &json!({"name": "nope"})).is_err());
|
||
}
|
||
|
||
#[test]
|
||
fn an_active_row_of_the_other_kind_leaves_edits_on_the_painted_leaves() {
|
||
let mut s = session();
|
||
let a = rect(&mut s, 100.0);
|
||
let b = rect(&mut s, 250.0);
|
||
run(&mut s, "select.set", json!({"ids": [a.0, b.0]}));
|
||
let g = NodeId(run(&mut s, "object.group", json!({}))["id"].as_u64().unwrap());
|
||
run(&mut s, "appearance.addFill", json!({}));
|
||
// The group's own fill row is active: stroke edits still go to the members' strokes.
|
||
run(&mut s, "appearance.setActiveItem", json!({"index": 0}));
|
||
run(&mut s, "stroke.set", json!({"weight": 5}));
|
||
run(&mut s, "paint.setStroke", json!({"color": "#00ff00"}));
|
||
assert_eq!(node(&s, g).appearance.items.len(), 1, "no stroke row added to the group");
|
||
for id in [a, b] {
|
||
assert_eq!(stroke(&node(&s, id), 1).width, 5.0);
|
||
assert_eq!(stroke(&node(&s, id), 1).paint.color().unwrap().to_hex(), "#00ff00");
|
||
}
|
||
}
|
||
|
||
#[test]
|
||
fn the_active_row_follows_only_edits_of_its_object() {
|
||
let mut s = session();
|
||
let other = rect(&mut s, 250.0);
|
||
rect(&mut s, 100.0);
|
||
run(&mut s, "appearance.setActiveItem", json!({"index": 1}));
|
||
run(&mut s, "appearance.removeItem", json!({"index": 0, "ids": [other.0]}));
|
||
run(&mut s, "appearance.duplicateItem", json!({"index": 0, "ids": [other.0]}));
|
||
assert_eq!(s.appearance_item(), Some(1));
|
||
}
|
||
|
||
#[test]
|
||
fn item_transparency_is_one_step_and_checks_the_blend_mode() {
|
||
let mut s = session();
|
||
let id = rect(&mut s, 100.0);
|
||
run(&mut s, "appearance.setActiveItem", json!({"index": 1}));
|
||
let steps = |s: &Session| s.doc().unwrap().history.undo.len();
|
||
let before = steps(&s);
|
||
run(&mut s, "transparency.set", json!({"knockout": true}));
|
||
assert_eq!(steps(&s), before + 1, "isolate/knockout alone do not touch the item");
|
||
assert_eq!(node(&s, id).knockout, vectorcraft_doc::Knockout::On);
|
||
assert!(s.execute("transparency.set", &json!({"blend": "nope"})).is_err());
|
||
assert_eq!(stroke(&node(&s, id), 1).blend, BlendMode::Normal);
|
||
}
|
||
|
||
#[test]
|
||
fn clear_and_reduce_keep_a_groups_stack_empty() {
|
||
let mut s = session();
|
||
let a = rect(&mut s, 100.0);
|
||
let b = rect(&mut s, 250.0);
|
||
let members = node(&s, a).appearance;
|
||
run(&mut s, "select.set", json!({"ids": [a.0, b.0]}));
|
||
let g = NodeId(run(&mut s, "object.group", json!({}))["id"].as_u64().unwrap());
|
||
run(&mut s, "appearance.reduceToBasic", json!({}));
|
||
assert!(node(&s, g).appearance.items.is_empty());
|
||
run(&mut s, "appearance.addStroke", json!({}));
|
||
run(&mut s, "appearance.reduceToBasic", json!({}));
|
||
assert_eq!(node(&s, g).appearance.items.iter().map(AppearanceItem::kind_name).collect::<Vec<_>>(), ["stroke"]);
|
||
run(&mut s, "transparency.set", json!({"opacity": 50}));
|
||
run(&mut s, "appearance.clear", json!({}));
|
||
let n = node(&s, g);
|
||
assert!(n.appearance.items.is_empty() && n.opacity == 1.0);
|
||
// The members keep their own appearance.
|
||
assert_eq!(node(&s, a).appearance, members);
|
||
}
|