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First proof of concept for Spray

This commit is contained in:
John Whitington 2023-10-30 18:30:49 +00:00
parent 7a9c0f457f
commit 08a503be76
1 changed files with 12 additions and 6 deletions
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18
cpdfcommand.ml
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@ -1982,6 +1982,9 @@ and specs =
("-split-max", ("-split-max",
Arg.String setsplitmax, Arg.String setsplitmax,
" Split a file to files of a given size"); " Split a file to files of a given size");
("-spray",
Arg.Unit (setop Spray),
" Split a file by alternating pages");
("-scale-page", ("-scale-page",
Arg.String setscale, Arg.String setscale,
" -scale-page \"sx sy\" scales by (sx, sy)"); " -scale-page \"sx sy\" scales by (sx, sy)");
@ -3110,7 +3113,7 @@ let stem s =
(neq '.') (rev (explode (Filename.basename s)))))) (neq '.') (rev (explode (Filename.basename s))))))
let fast_write_split_pdfs let fast_write_split_pdfs
enc splitlevel original_filename sq spec main_pdf pagenums pdf_pages ?(names=[]) enc splitlevel original_filename sq spec main_pdf pagenums pdf_pages
= =
let marks = Pdfmarks.read_bookmarks main_pdf in let marks = Pdfmarks.read_bookmarks main_pdf in
iter2 iter2
@ -3118,9 +3121,10 @@ let fast_write_split_pdfs
let pdf = Pdfpage.pdf_of_pages main_pdf pagenums in let pdf = Pdfpage.pdf_of_pages main_pdf pagenums in
let startpage, endpage = extremes pagenums in let startpage, endpage = extremes pagenums in
let name = let name =
Cpdfbookmarks.name_of_spec if names <> [] then List.nth names (number - 1) else
args.encoding marks main_pdf splitlevel spec number Cpdfbookmarks.name_of_spec
(stem original_filename) startpage endpage args.encoding marks main_pdf splitlevel spec number
(stem original_filename) startpage endpage
in in
Pdf.remove_unreferenced pdf; Pdf.remove_unreferenced pdf;
if sq then Cpdfsqueeze.squeeze ~pagedata:args.squeeze_pagedata ?logto:!logto pdf; if sq then Cpdfsqueeze.squeeze ~pagedata:args.squeeze_pagedata ?logto:!logto pdf;
@ -3763,9 +3767,11 @@ let go () =
| File output_spec -> | File output_spec ->
let pdf = get_single_pdf args.op false in let pdf = get_single_pdf args.op false in
let enc = build_enc () in let enc = build_enc () in
let names, pagenums = rev !spray_outputs, (many [1] (length !spray_outputs)) in
args.create_objstm <- args.preserve_objstm; args.create_objstm <- args.preserve_objstm;
ignore pdf; fast_write_split_pdfs ~names enc 0 args.original_filename args.squeeze output_spec pdf pagenums (Pdfpage.pages_of_pagetree pdf)
ignore enc (* Build (output filename, page range) pairs *)
(* Write them *)
| Stdout -> error "Can't spray to standard output" | Stdout -> error "Can't spray to standard output"
| NoOutputSpecified -> error "Spray: No output format specified" | NoOutputSpecified -> error "Spray: No output format specified"
end end