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.ai import: a file whose PDF part can't be read opens from its editing data

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Squashed from #5051 onto main.
This commit is contained in:
dotCooCoo
2026-11-02 12:04:04 +07:00
committed by bflatastic
parent 54436b0aa2
commit 100730d4d3
43 changed files with 476 additions and 42 deletions
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crates/pdf/src/tests/import_layers.rs
+32
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@@ -416,3 +416,35 @@ fn a_pdfs_private_data_is_its_pdf_streams_joined() {
let both = format!("/AIPDFPrivateData1 {a} 0 R /AIPDFPrivateData2 {b} 0 R /AIPrivateData1 {c} 0 R");
assert_eq!(illustrator_data(&pdf_with_catalog(&[page(both)], &[&one, &two, &other], "", None), None).unwrap(), b"%AI24_ZStandard_Data other");
}
/// The private data of a file whose other objects the import refuses (#4366) is read without its
/// PDF part, and only then; a private data stream under a filter the reader doesn't know, or with
/// decode parameters, is read neither way.
#[test]
fn private_data_reads_without_a_pdf_part_that_cant_be_read() {
let (a, b) = (first_extra(1), first_extra(1) + 1);
let page = PdfPage {
entries: format!("/PieceInfo << /Illustrator << /Private << /AIPrivateData1 {a} 0 R /AIPrivateData2 {b} 0 R /NumBlock 2 >> >> >>"),
..PdfPage::new(100.0, 100.0, "1 0 0 rg 10 10 30 30 re f")
};
let (one, two) = (stream("", "%AI24_ZStandard_Data first "), stream("", "second"));
let refused = stream("/DecodeParms << /Predictor 12 /Columns 0 >>", "x");
let pdf = pdf_with_catalog(std::slice::from_ref(&page), &[&one, &two, &refused], "", None);
assert!(illustrator_data(&pdf, None).is_none());
let read = illustrator_data_without_pdf_part(&pdf, None).unwrap();
assert_eq!((read.data.as_slice(), read.user_unit, read.trim), (&b"%AI24_ZStandard_Data first second"[..], 1.0, (100.0, 100.0)));
let whole = pdf_with_catalog(std::slice::from_ref(&page), &[&one, &two], "", None);
assert_eq!(illustrator_data_without_pdf_part(&whole, None).map(|p| p.data), illustrator_data(&whole, None));
// The trim box in points, as the page shows it.
let large = PdfPage { entries: format!("{} /UserUnit 10 /TrimBox [10 10 60 30] /Rotate 90", page.entries), ..page.clone() };
let read = illustrator_data_without_pdf_part(&pdf_with_catalog(&[large], &[&one, &two, &refused], "", None), None).unwrap();
assert_eq!((read.user_unit, read.trim), (10.0, (200.0, 500.0)));
assert!(illustrator_data_without_pdf_part(b"not a pdf", None).is_none());
for odd in ["/Filter /Bogus", "/Filter [/Bogus]", "/DP << /Predictor 2 >>", "/Filter /FlateDecode /DecodeParms [<< /Predictor 2 >>]", "/Filter 5"]
{
let first = stream(odd, "%AI24_ZStandard_Data first ");
let pdf = pdf_with_catalog(std::slice::from_ref(&page), &[&first, &two], "", None);
assert!(illustrator_data(&pdf, None).is_none(), "{odd}");
assert!(illustrator_data_without_pdf_part(&pdf, None).is_none(), "{odd}");
}
}