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Place: an image whose pixels can't be read is refused instead of placed blank

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Squashed from #4257 onto main.
This commit is contained in:
dotCooCoo
2026-10-29 18:54:38 +07:00
committed by bflatastic
parent e764d770db
commit c8a7420b93
28 changed files with 589 additions and 104 deletions
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crates/engine/src/tests/pattern.rs
+3 -10
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@@ -480,17 +480,10 @@ fn pdf_export_writes_patterns_nested_too_deep_as_tiles_with_a_warning() {
#[test]
fn every_raster_export_says_when_a_pattern_holds_an_image_that_could_not_be_decoded() {
// A PNG whose header reads (so it places at its size) but whose pixel data is cut short, made
// into a pattern and then cleared from the page: only the pattern's tile draws it.
// A PNG whose header reads but whose pixel data is cut short, made into a pattern and then
// cleared from the page: only the pattern's tile draws it.
let mut s = session();
let mut png = Vec::new();
image::RgbaImage::from_pixel(20, 20, image::Rgba([200, 30, 30, 255]))
.write_to(&mut std::io::Cursor::new(&mut png), image::ImageFormat::Png)
.unwrap();
let idat = png.windows(4).position(|w| w == b"IDAT").unwrap();
png.truncate(idat + 8);
let placed = s.execute("file.place", &json!({"name": "cut.png", "dataBase64": vectorcraft_format::base64_encode(&png)})).unwrap();
let placed = NodeId(placed["ids"][0].as_u64().unwrap());
let placed = crate::tests_menucmds::place_undecodable_png_sized(&mut s, 20, 20);
sel(&mut s, &[placed]);
s.execute("object.pattern.make", &json!({"name": "Cut", "width": 20, "height": 20})).unwrap();
s.execute("object.pattern.done", &json!({})).unwrap();