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cpdf-source
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More towards trutype

This commit is contained in:
John Whitington 2023-06-16 16:21:52 +01:00
parent b56b147541
commit c6b9412c0b
1 changed files with 10 additions and 4 deletions
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14
cpdftruetype.ml
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@ -464,9 +464,17 @@ let write_font filename data =
output_string fh (Pdfio.string_of_bytes data);
close_out fh
(* We don't really need this, but it makes debugging easier... *)
let partition_preserving_order p l =
let t, f = ref [], ref [] in
iter (fun x -> if p x then t := x::!t else f := x::!f) l;
rev !t, rev !f
let find_main encoding subset =
let encoding_table = Pdftext.table_of_encoding encoding in
List.partition (fun u -> try ignore (Hashtbl.find encoding_table u); true with Not_found -> false) subset
partition_preserving_order
(fun u -> try ignore (Hashtbl.find encoding_table u); true with Not_found -> false)
subset
let parse ?(subset=[]) data encoding =
if !dbg then
@ -624,13 +632,11 @@ let parse ?(subset=[]) data encoding =
let second_tounicode =
if subset = [] then None else
let h = null_hash () in
(*let s = (implode (tl (tl (explode (Pdftext.utf16be_of_codepoints (tl subset)))))) in*)
(*Printf.printf "String for tounicode = %S\n" s;*)
List.iter2
(fun n u ->
let s = implode (tl (tl (explode (Pdftext.utf16be_of_codepoints [u])))) in
Hashtbl.add h n s)
(indx subset_2)
(indx0 subset_2)
subset_2;
Some h
in