-list-spot-colours done

This commit is contained in:
John Whitington 2016-11-04 12:43:58 +00:00
parent d35e3a478a
commit 84de858faf
1 changed files with 14 additions and 54 deletions

View File

@ -4,7 +4,7 @@ let demo = false
let noncomp = false let noncomp = false
let major_version = 2 let major_version = 2
let minor_version = 2 let minor_version = 2
let version_date = "(build of 30th July 2016)" let version_date = "(build of 3rd November 2016)"
open Pdfutil open Pdfutil
open Pdfio open Pdfio
@ -3091,56 +3091,17 @@ let addrectangle (w, h) color position relative_to_cropbox underneath range pdf
let print_spot_colour n s = let print_spot_colour n s =
Printf.printf "%i %s\n" n s Printf.printf "%i %s\n" n s
let rec really_list_spot_colours pagenum = function let list_spot_colours pdf =
| Pdfspace.Separation (n, t, _) -> Pdf.objiter
print_spot_colour pagenum n; (fun _ obj ->
really_list_spot_colours pagenum t match obj with
| Pdfspace.Indexed (t, _) Pdf.Array (Pdf.Name "/Separation"::x::_) ->
| Pdfspace.PatternWithBaseColourspace t begin match Pdf.direct pdf x with
| Pdfspace.DeviceN (_, t, _, _) -> really_list_spot_colours pagenum t Pdf.Name col -> Printf.printf "%s\n" col
| _ -> () | _ -> ()
let list_spot_colours_colourspace pagenum pdf resources cs =
let space = Pdfspace.read_colourspace pdf resources cs in
really_list_spot_colours pagenum space
let list_spot_colours_csdict pagenum pdf resources = function
Pdf.Dictionary items ->
List.iter
(list_spot_colours_colourspace pagenum pdf resources)
(List.map snd items) (* FIXME indirect *)
| _ -> raise (Pdf.PDFError "Bad csdict in list_spot_colours_csdict")
let list_spot_colours_xobject pagenum pdf resources xobject =
match Pdf.lookup_direct pdf "/Resources" xobject with
Some resources ->
begin match Pdf.lookup_direct pdf "/ColorSpace" resources with
Some csdict -> list_spot_colours_csdict pagenum pdf resources csdict
| None -> ()
end end
| None -> () | _ -> ())
pdf
let list_spot_colours_xobjectdict pagenum pdf resources = function
Pdf.Dictionary items ->
List.iter
(list_spot_colours_xobject pagenum pdf resources)
(List.map snd items) (* FIXME indirect *)
| _ -> raise (Pdf.PDFError "Bad xobjectdict in list_spot_colours_xobjectdict")
let list_spot_colours_page pdf pagenumber page =
begin match Pdf.lookup_direct pdf "/ColorSpace" page.Pdfpage.resources with
None -> ()
| Some csdict ->
list_spot_colours_csdict pagenumber pdf page.Pdfpage.resources csdict
end;
begin match Pdf.lookup_direct pdf "/XObject" page.Pdfpage.resources with
None -> ()
| Some xobjectdict ->
list_spot_colours_xobjectdict pagenumber pdf page.Pdfpage.resources xobjectdict
end
let list_spot_colours (pdf : Pdf.t) (range : int list) =
Cpdf.iter_pages (list_spot_colours_page pdf) pdf range
(* Main function *) (* Main function *)
let go () = let go () =
@ -3885,9 +3846,8 @@ let go () =
(* FIXME: We might like to do the trailer dictionary too *) (* FIXME: We might like to do the trailer dictionary too *)
write_pdf false pdf write_pdf false pdf
| Some ListSpotColours -> | Some ListSpotColours ->
let pdf = get_single_pdf args.op true in let pdf = get_single_pdf args.op false in
let range = parse_pagespec pdf (get_pagespec ()) in list_spot_colours pdf
list_spot_colours pdf range
let parse_argv () = let parse_argv () =
if args.debug then if args.debug then