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LibPDF: Fix treating not finding the linearized dict as a fatal error

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We now try to parse the first indirect value and see 
if it's the `Linearization Parameter Dictionary`. if it's not, we 
fallback to reading the xref table from the end of the document
This commit is contained in:
Wesley Moret 2021-07-14 21:48:09 -04:00 • committed by Andreas Kling
parent 5d4d70355e
commit 1b8f73b6b3
2 changed files with 26 additions and 13 deletions
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8
Userland/Libraries/LibPDF/Parser.h
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@ -18,6 +18,12 @@ class Document;
class Parser final : public RefCounted<Parser> {
public:
enum class LinearizationResult {
Error,
NotLinearized,
Linearized,
};
static Vector<Command> parse_graphics_commands(ReadonlyBytes const&);
Parser(Badge<Document>, ReadonlyBytes const&);
@ -83,7 +89,7 @@ private:
explicit Parser(ReadonlyBytes const&);
bool parse_header();
bool initialize_linearization_dict();
LinearizationResult initialize_linearization_dict();
bool initialize_linearized_xref_table();
bool initialize_non_linearized_xref_table();
bool initialize_hint_tables();