fenix
/
cpdf-source
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This commit is contained in:
John Whitington 2023-03-06 17:22:23 +00:00
parent 51472da1fa
commit 9f50046c52
1 changed files with 33 additions and 10 deletions
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33
cpdfcommand.ml
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@ -3376,6 +3376,32 @@ let warn_prerotate range pdf =
let prerotate range pdf = let prerotate range pdf =
Cpdfpage.upright ~fast:args.fast range pdf Cpdfpage.upright ~fast:args.fast range pdf
let find_composition_fonts pdf i obj marked =
match Pdf.lookup_direct pdf "/Subtype" obj with
| Some (Pdf.Name "/Image") ->
Hashtbl.add marked i ();
String.length (Pdfwrite.string_of_pdf_including_data obj);
| _ -> 0
let find_composition_content_streams pdf i obj marked =
match Pdf.lookup_direct pdf "/Type" obj with
| Some (Pdf.Name "/Page") ->
let cs =
begin match Pdf.lookup_direct pdf "/Contents" obj with
| Some (Pdf.Indirect i) -> [i]
| Some (Pdf.Array is) -> option_map (function Pdf.Indirect i -> Some i | _ -> None) is
| _ -> []
end
in
let l = ref 0 in
iter
(fun i ->
Hashtbl.add marked i ();
l += String.length (Pdfwrite.string_of_pdf_including_data (Pdf.lookup_obj pdf i)))
cs;
!l
| _ -> 0
let find_composition pdf = let find_composition pdf =
let marked = null_hash () in let marked = null_hash () in
let images = ref 0 in let images = ref 0 in
@ -3383,11 +3409,8 @@ let find_composition pdf =
Pdf.objiter Pdf.objiter
(fun i obj -> (fun i obj ->
match Hashtbl.find marked i with _ -> () | exception Not_found -> match Hashtbl.find marked i with _ -> () | exception Not_found ->
match Pdf.lookup_direct pdf "/Subtype" obj with images += find_composition_fonts pdf i obj marked;
| Some (Pdf.Name "/Image") -> content_streams += find_composition_content_streams pdf i obj marked)
images += String.length (Pdfwrite.string_of_pdf_including_data obj);
Hashtbl.add marked i ()
| _ -> ())
pdf; pdf;
(!images, !content_streams) (!images, !content_streams)