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LibPDF: Reject CFFs with more than one font

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The code assumes that there's just one Top DICT, so let's be loud
when that isn't the case.
This commit is contained in:
Nico Weber 2023-10-12 10:20:54 -04:00 • committed by Andreas Kling
parent 8388fe51b5
commit c825194fb9
1 changed files with 3 additions and 0 deletions
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3
Userland/Libraries/LibPDF/Fonts/CFF.cpp
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@ -64,6 +64,9 @@ PDFErrorOr<NonnullRefPtr<CFF>> CFF::create(ReadonlyBytes const& cff_bytes, RefPt
return TRY(font_names.try_append(font_name));
}));
if (font_names.size() != 1)
return error("CFFs with more than one font not yet implemented");
auto cff = adopt_ref(*new CFF());
cff->set_font_matrix({ 0.001f, 0.0f, 0.0f, 0.001f, 0.0f, 0.0f });