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John Whitington 2023-04-17 19:02:40 +01:00
parent cc74b3fc69
commit 3cb5e13a90
1 changed files with 25 additions and 5 deletions
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30
cpdfmetadata.ml
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@ -168,10 +168,23 @@ let getstring encoding pdf =
let get_catalog_item name pdf =
match Pdf.lookup_direct pdf "/Root" pdf.Pdf.trailerdict with
| Some catalog ->
begin try
implode (tl (explode (Pdfwrite.string_of_pdf (unopt (Pdf.lookup_direct pdf name catalog)))))
with
_ -> ""
begin match Pdf.lookup_direct pdf name catalog with
| Some (Pdf.Name x) when x <> "" -> implode (tl (explode x))
| _ -> ""
end
| _ -> ""
let get_viewer_pref_item name pdf =
match Pdf.lookup_direct pdf "/Root" pdf.Pdf.trailerdict with
| Some catalog ->
begin match Pdf.lookup_direct pdf "/ViewerPreferences" catalog with
| Some d ->
begin match Pdf.lookup_direct pdf name d with
| Some (Pdf.Name x) when x <> "" -> implode (tl (explode x))
| Some (Pdf.Boolean b) -> string_of_bool b
| _ -> ""
end
| None -> ""
end
| _ -> ""
@ -189,7 +202,14 @@ let output_info encoding pdf =
Printf.printf "Modified: %s\n" (getstring "/ModDate");
Printf.printf "Trapped: %s\n" (getstring "/Trapped");
Printf.printf "PageMode: %s\n" (get_catalog_item "/PageMode" pdf);
Printf.printf "PageLayout: %s\n" (get_catalog_item "/PageLayout" pdf)
Printf.printf "PageLayout: %s\n" (get_catalog_item "/PageLayout" pdf);
Printf.printf "HideToolbar: %s\n" (get_viewer_pref_item "/HideToolbar" pdf);
Printf.printf "HideMenubar: %s\n" (get_viewer_pref_item "/HideMenubar" pdf);
Printf.printf "HideWindowUI: %s\n" (get_viewer_pref_item "/HideWindowUI" pdf);
Printf.printf "FitWindow: %s\n" (get_viewer_pref_item "/FitWindow" pdf);
Printf.printf "CenterWindow: %s\n" (get_viewer_pref_item "/CenterWindow" pdf);
Printf.printf "DisplayDocTitle: %s\n" (get_viewer_pref_item "/DisplayDocTitle" pdf);
Printf.printf "NonFullScreenPageMode: %s\n" (get_viewer_pref_item "/NonFullScreenPageMode" pdf);
type xmltree =
E of Cpdfxmlm.tag * xmltree list