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LibPDF: Follow a FontFile's Length values

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These can be references (at least from what I've found in some
documents), so we want to resolve them before using them.
This commit is contained in:
Rodrigo Tobar 2022-12-16 00:18:50 +08:00 • committed by Andrew Kaster
parent cb1a7cc721
commit a1af79dca6
1 changed files with 2 additions and 2 deletions
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4
Userland/Libraries/LibPDF/Fonts/Type1Font.cpp
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@ -27,8 +27,8 @@ PDFErrorOr<Type1Font::Data> Type1Font::parse_data(Document* document, NonnullRef
if (!font_file_dict->contains(CommonNames::Length1, CommonNames::Length2))
return Error { Error::Type::Parse, "Embedded type 1 font is incomplete" };
auto length1 = font_file_dict->get_value(CommonNames::Length1).get<int>();
auto length2 = font_file_dict->get_value(CommonNames::Length2).get<int>();
auto length1 = TRY(document->resolve(font_file_dict->get_value(CommonNames::Length1))).get<int>();
auto length2 = TRY(document->resolve(font_file_dict->get_value(CommonNames::Length2))).get<int>();
data.font_program = adopt_ref(*new PS1FontProgram());
TRY(data.font_program->create(font_file_stream->bytes(), data.encoding, length1, length2));