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cpdf-source
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Eltinfos working

This commit is contained in:
John Whitington 2024-09-26 15:39:14 +01:00
parent a5e49e0986
commit 93d71efbb7
1 changed files with 7 additions and 8 deletions
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15
cpdfdraw.ml
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@ -656,29 +656,29 @@ let rec find_tree_contents a level = function
let rec make_structure_tree pageobjnums (pn, ns, ei) pdf = function
| [] -> []
| StDataMCID (n, mcid)::t ->
Printf.printf "StDataMCID, pagenum = %i, pageobjnum = %i\n" !pn (unopt (lookup !pn pageobjnums));
(*Printf.printf "StDataMCID, pagenum = %i, pageobjnum = %i\n" !pn (unopt (lookup !pn pageobjnums));*)
let item =
StItem {kind = n; namespace = !ns; alt = list_of_hashtbl ei; pageobjnum = lookup !pn pageobjnums; children = [StMCID mcid]}
in
item::make_structure_tree pageobjnums (pn, ns, ei) pdf t
| StDataPage n::t ->
Printf.printf "StDataPage %i\n" n;
(*Printf.printf "StDataPage %i\n" n;*)
pn := n;
make_structure_tree pageobjnums (pn, ns, ei) pdf t
| StDataNamespace s::t ->
Printf.printf "StDataNamespace %s\n" s;
(*Printf.printf "StDataNamespace %s\n" s;*)
ns := s;
make_structure_tree pageobjnums (pn, ns, ei) pdf t
| StEltInfo (k, v)::t ->
Printf.printf "StEltInfo %s, %s\n" k (Pdfwrite.string_of_pdf v);
(*Printf.printf "StEltInfo %s, %s\n" k (Pdfwrite.string_of_pdf v);*)
Hashtbl.replace ei k v;
make_structure_tree pageobjnums (pn, ns, ei) pdf t
| StEndEltInfo s::t ->
Printf.printf "StEndEltInfo %s\n" s;
(*Printf.printf "StEndEltInfo %s\n" s;*)
Hashtbl.remove ei s;
make_structure_tree pageobjnums (pn, ns, ei) pdf t
| StDataBeginTree s::t ->
Printf.printf "StBeginTree %s\n" s;
(*Printf.printf "StBeginTree %s\n" s;*)
let tree_contents, rest = find_tree_contents [] 1 t in
let item =
StItem {kind = s; namespace = !ns; alt = list_of_hashtbl ei; pageobjnum = None;
@ -693,7 +693,7 @@ let make_structure_tree pdf items =
let objnums = Pdf.page_reference_numbers pdf in
combine (indx objnums) objnums
in
make_structure_tree pageobjnums (ref 0, ref "", null_hash ()) pdf items
make_structure_tree pageobjnums (ref 0, ref standard_namespace, null_hash ()) pdf items
(* Write such a structure tree to a PDF. *)
let write_structure_tree pdf st =
@ -706,7 +706,6 @@ let write_structure_tree pdf st =
let struct_tree_root = Pdf.addobj pdf Pdf.Null in
let rec mktree struct_tree_parent = function
| StItem {kind; namespace; pageobjnum; alt; children} ->
Printf.printf "Found StItem with pageobjnum %s\n" (match pageobjnum with Some x -> string_of_int x | None -> "");
let this_objnum = Pdf.addobj pdf Pdf.Null in
begin match pageobjnum with
| Some p -> add_parentmap p this_objnum