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M7: area type auto size and shrink text to fit

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Area Type Options gain a fit: none, autoHeight (Illustrator's Auto Size:
the frame's height follows the text after every edit, resolved in
refresh_bounds inside the edit so it shares the edit's undo step) and
shrinkText {minPercent} (beyond Illustrator: overflowing text scales its
sizes, leading and baseline shifts down at layout time by the largest
factor, in 0.1 pt steps of the first run, that fits). The Auto Size New
Area Type preference now applies. text.areaOptions and document.inspect
report overflow and the shrink factor; the Area Type Options dialog
offers fit and first baseline as dropdowns.
This commit is contained in:
haven
2026-10-08 14:48:25 -07:00
parent a89f914119
commit 674aef95b0
18 changed files with 871 additions and 35 deletions
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crates/engine/tests/command_sweep.rs
+48
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@@ -311,6 +311,54 @@ fn structured_junk() {
assert!(failures.is_empty(), "{} failures:\n{}", failures.len(), failures.join("\n"));
}
/// Area Type Options with junk fit values, on selected area type (the fixtures have none), with
/// text that overflows: never a panic, the document stays sound, and editing still works.
#[test]
fn area_options_fit_junk() {
let cases = [
json!({"fit": "shrinkText", "fitMinPercent": 1e308}),
json!({"fit": "shrinkText", "fitMinPercent": -1e308}),
json!({"fit": "shrinkText", "fitMinPercent": "x"}),
json!({"fit": {"shrinkText": {"minPercent": -5}}}),
json!({"fit": {"shrinkText": {"minPercent": "a"}}}),
json!({"fit": {"shrinkText": null}}),
json!({"fit": {"autoHeight": 1}}),
json!({"fit": {"bogus": {}}}),
json!({"fit": [1, 2]}),
json!({"fit": ""}),
json!({"fit": "AUTO-HEIGHT", "height": 1e308, "width": -1e308}),
json!({"fit": "autoHeight", "columns": u64::MAX, "gutter": 1e308, "inset": 1e308}),
json!({"fit": "autoHeight", "rows": 5, "inset": -1}),
json!({"fit": "shrinkText", "columns": 100, "gutter": 0, "inset": 10000}),
json!({"fitMinPercent": 50}),
json!({"fit": "none", "fitMinPercent": 1e-308}),
];
let story = "Words that overflow a small frame. ".repeat(40);
let mut failures = vec![];
for (size, (w, h)) in [(12.0, (120.0, 40.0)), (0.1, (1.0, 1.0)), (1296.0, (100_000.0, 1.0))] {
for p in &cases {
let mut s = Fixture::Multi.session();
let made = s.execute("text.create", &json!({"x": 10, "y": 10, "size": size, "text": story, "area": {"width": w, "height": h}}));
let Ok(made) = made else { continue };
let id = made["id"].as_u64().unwrap_or(0);
let r = catch_quiet(|| s.execute("text.areaOptions", p));
match r {
Err(m) => failures.push(format!("PANIC text.areaOptions {p} [{size} pt, {w}×{h}]: {m}")),
Ok(_) => {
let typed = catch_quiet(|| s.execute("text.editRange", &json!({"id": id, "start": 0, "insert": "More words. "})));
if typed.is_err() {
failures.push(format!("PANIC typing after text.areaOptions {p}"));
}
if let Err(e) = check_session(&s) {
failures.push(format!("text.areaOptions {p} [{size} pt]: {e}"));
}
}
}
}
}
assert!(failures.is_empty(), "{} failures:\n{}", failures.len(), failures.join("\n"));
}
/// After a successful fuzzed call, the document still round-trips and exports.
#[test]
fn fuzzed_calls_keep_documents_serializable() {