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cpdf-source
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This commit is contained in:
John Whitington 2023-04-28 16:18:26 +01:00
parent cf0638db28
commit 6093f72013
1 changed files with 15 additions and 3 deletions
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18
cpdfdraw.ml
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@ -142,8 +142,8 @@ let draw fast range pdf drawops =
let images = list_of_hashtbl images in let images = list_of_hashtbl images in
let image_resources = map (fun (_, (n, o)) -> (n, Pdf.Indirect o)) images in let image_resources = map (fun (_, (n, o)) -> (n, Pdf.Indirect o)) images in
let gss_resources = list_of_hashtbl gss in let gss_resources = list_of_hashtbl gss in
Printf.printf "%i gss_resources\n" (length gss_resources); let font_resources = list_of_hashtbl fonts in
match images, gss_resources with [], [] -> pdf | _ -> match images, gss_resources, font_resources with [], [], [] -> pdf | _ ->
let pages = Pdfpage.pages_of_pagetree pdf in let pages = Pdfpage.pages_of_pagetree pdf in
let pages = let pages =
map map
@ -158,11 +158,23 @@ let draw fast range pdf drawops =
match Pdf.lookup_direct pdf "/ExtGState" p.Pdfpage.resources with match Pdf.lookup_direct pdf "/ExtGState" p.Pdfpage.resources with
| Some (Pdf.Dictionary d) -> d | Some (Pdf.Dictionary d) -> d
| _ -> [] | _ -> []
in
let existing_fonts =
match Pdf.lookup_direct pdf "/Font" p.Pdfpage.resources with
| Some (Pdf.Dictionary d) -> d
| _ -> []
in in
let new_xobjects = fold_right (fun (k, v) d -> add k v d) image_resources existing_xobjects in let new_xobjects = fold_right (fun (k, v) d -> add k v d) image_resources existing_xobjects in
let new_gss = fold_right (fun (k, v) d -> add k v d) gss_resources existing_gss in let new_gss = fold_right (fun (k, v) d -> add k v d) gss_resources existing_gss in
let new_fonts = fold_right (fun (k, v) d -> add k v d) font_resources existing_fonts in
let r = let r =
Pdf.add_dict_entry (Pdf.add_dict_entry p.Pdfpage.resources "/XObject" (Pdf.Dictionary new_xobjects)) "/ExtGState" (Pdf.Dictionary new_gss) Pdf.add_dict_entry
(Pdf.add_dict_entry
(Pdf.add_dict_entry p.Pdfpage.resources "/XObject" (Pdf.Dictionary new_xobjects))
"/ExtGState"
(Pdf.Dictionary new_gss))
"/Font"
(Pdf.Dictionary new_fonts)
in in
Printf.printf "final: %s\n" (Pdfwrite.string_of_pdf r); Printf.printf "final: %s\n" (Pdfwrite.string_of_pdf r);
r r