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Valentin KleinandClaude Opus 5.5
8005201db9
Squash of PR #547 by @vangel76. Co-Authored-By: Claude Opus 5.5 <[email protected]>
82 lines
3.6 KiB
Rust
82 lines
3.6 KiB
Rust
//! MTEXT columns and paragraph formatting from the command line, scripts and the JSON form
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//! (#532).
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use cadcraft_doc::{EntityKind, MText, MTextColumnType};
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use cadcraft_engine::Session;
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use serde_json::json;
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fn last_mtext(s: &Session) -> MText {
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match s.doc().unwrap().model.iter().last().map(|e| e.kind.clone()) {
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Some(EntityKind::MText(t)) => t,
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k => panic!("no mtext: {k:?}"),
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}
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}
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#[test]
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fn static_columns_from_the_command_line() {
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let mut s = Session::new();
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// Total width 21, three columns, gutter 1.5: each column (21 - 2 × 1.5) / 3 = 6 wide.
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s.script("MTEXT 0,10 h 0.5 c s 21 3 1.5 4\nfirst column\n\n").unwrap();
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assert!(s.running.is_none(), "{}", s.prompt_text());
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let t = last_mtext(&s);
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assert!((t.width - 6.0).abs() < 1e-9, "{}", t.width);
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let c = t.columns.expect("columns");
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assert_eq!((c.kind, c.count), (MTextColumnType::Static, 3));
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assert_eq!((c.gutter, c.height), (1.5, 4.0));
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// Gutters wider than the total width are refused and asked again.
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s.cmdline("mtext 0,0 c s 5 3 3").unwrap();
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assert!(s.log.iter().any(|l| l.contains("don't fit in the total width")), "{:?}", s.log);
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s.cmdline("1 2").unwrap();
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assert!(s.prompt_text().contains("Enter text"), "{}", s.prompt_text());
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s.cancel();
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}
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#[test]
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fn dynamic_columns_and_defaults() {
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let mut s = Session::new();
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s.script("MTEXT 0,10 c d 8 0.5 3\nflowing\n\n").unwrap();
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let t = last_mtext(&s);
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assert_eq!(t.width, 8.0);
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let c = t.columns.expect("columns");
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assert_eq!(c.kind, MTextColumnType::Dynamic);
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assert!(c.auto_height);
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assert_eq!((c.gutter, c.height), (0.5, 3.0));
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}
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#[test]
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fn json_columns_and_lists() {
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let mut s = Session::new();
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s.execute("mtext", &json!({"at": [0, 0], "text": "one\ntwo\nthree", "width": 5, "list": "number", "columns": {"type": "static", "count": 2, "gutter": 1, "height": 2}}))
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.unwrap();
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let t = last_mtext(&s);
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assert_eq!(t.contents, "\\pxi-3,l3,t3;1.\tone\\P2.\ttwo\\P3.\tthree");
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assert_eq!(t.columns.as_ref().map(|c| c.count), Some(2));
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s.execute("mtext", &json!({"at": [0, 0], "text": "a\tb", "indent": 2, "tabs": [6, 4], "align": "right"})).unwrap();
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assert_eq!(last_mtext(&s).contents, "\\pxi0,l2,qr,t4,6;a\tb");
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// Columns need a column width and a height; unknown list styles are refused.
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assert!(s.execute("mtext", &json!({"at": [0, 0], "text": "x", "columns": {"type": "static", "height": 2}})).is_err());
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assert!(s.execute("mtext", &json!({"at": [0, 0], "text": "x", "width": 4, "columns": {"type": "static"}})).is_err());
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assert!(s.execute("mtext", &json!({"at": [0, 0], "text": "x", "list": "roman"})).is_err());
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}
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#[test]
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fn columns_shape_the_drawn_text_and_its_extents() {
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let mut s = Session::new();
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let words = "word ".repeat(60);
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s.execute(
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"mtext",
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&json!({"at": [0, 0], "text": words, "height": 1, "width": 10, "columns": {"type": "static", "count": 3, "gutter": 2, "height": 6}}),
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)
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.unwrap();
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let t = last_mtext(&s);
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let d = s.doc().unwrap();
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let l = cadcraft_engine::render::layout_mtext_entity(d, &t);
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// Three columns of 10 with two gutters of 2; text in every column, none below the columns.
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assert!((l.bounds.width() - 34.0).abs() < 1e-9, "{:?}", l.bounds);
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let xs: Vec<f64> = l.strokes.iter().flatten().map(|p| p.x).collect();
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assert!(xs.iter().any(|x| *x > 24.0), "text reaches the third column");
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let e = d.model.iter().last().unwrap();
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let b = cadcraft_doc::entity_bounds(d, e, 0);
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assert!((b.width() - 34.0).abs() < 1e-9 && (b.height() - 6.0).abs() < 1e-9, "{b:?}");
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}
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