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John Whitington
2021-12-21 15:06:40 +00:00
parent d7ab57a22d
commit c711e3aa77
5 changed files with 40 additions and 38 deletions
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34
cpdf.ml
View File

@@ -1965,38 +1965,6 @@ let remove_unused_resources_page pdf n page =
let remove_unused_resources pdf =
Cpdfpage.process_pages (ppstub (remove_unused_resources_page pdf)) pdf (ilist 1 (Pdfpage.endpage pdf))
(* Indent bookmarks in each file by one and add a title bookmark pointing to the first page. *)
let add_bookmark_title filename use_title pdf =
let title =
if use_title then
match Cpdfmetadata.get_info_utf8 pdf "/Title", Cpdfmetadata.get_xmp_info pdf "/Title" with
"", x | x, "" | _, x -> x
else
Filename.basename filename
in
let marks = Pdfmarks.read_bookmarks pdf in
let page1objnum =
match Pdfpage.page_object_number pdf 1 with
None -> error "add_bookmark_title: page not found"
| Some x -> x
in
let newmarks =
{Pdfmarks.level = 0;
Pdfmarks.text = title;
Pdfmarks.target = Pdfdest.XYZ (Pdfdest.PageObject page1objnum, None, None, None);
Pdfmarks.isopen = false}
::map (function m -> {m with Pdfmarks.level = m.Pdfmarks.level + 1}) marks
in
Pdfmarks.add_bookmarks newmarks pdf
let bookmarks_open_to_level n pdf =
let marks = Pdfmarks.read_bookmarks pdf in
let newmarks =
map
(fun m -> {m with Pdfmarks.isopen = m.Pdfmarks.level < n})
marks
in
Pdfmarks.add_bookmarks newmarks pdf
let create_pdf pages pagesize =
let page =
@@ -2006,5 +1974,3 @@ let create_pdf pages pagesize =
in
let pdf, pageroot = Pdfpage.add_pagetree (many page pages) (Pdf.empty ()) in
Pdfpage.add_root pageroot [] pdf

3
cpdf.mli
View File

@@ -138,10 +138,9 @@ val image_resolution : Pdf.t -> int list -> float -> (int * string * int * int *
val copy_box : string -> string -> bool -> Pdf.t -> int list -> Pdf.t
val add_bookmark_title : string -> bool -> Pdf.t -> Pdf.t
val remove_unused_resources : Pdf.t -> Pdf.t
val bookmarks_open_to_level : int -> Pdf.t -> Pdf.t
val create_pdf : int -> Pdfpaper.t -> Pdf.t

34
cpdfbookmarks.ml
View File

@@ -359,3 +359,37 @@ let name_of_spec encoding marks (pdf : Pdf.t) splitlevel spec n filename startpa
else
process_others encoding marks pdf splitlevel filename n startpage endpage
(implode before ^ fill (length percents) n ^ implode after)
(* Indent bookmarks in each file by one and add a title bookmark pointing to the first page. *)
let add_bookmark_title filename use_title pdf =
let title =
if use_title then
match Cpdfmetadata.get_info_utf8 pdf "/Title", Cpdfmetadata.get_xmp_info pdf "/Title" with
"", x | x, "" | _, x -> x
else
Filename.basename filename
in
let marks = Pdfmarks.read_bookmarks pdf in
let page1objnum =
match Pdfpage.page_object_number pdf 1 with
None -> error "add_bookmark_title: page not found"
| Some x -> x
in
let newmarks =
{Pdfmarks.level = 0;
Pdfmarks.text = title;
Pdfmarks.target = Pdfdest.XYZ (Pdfdest.PageObject page1objnum, None, None, None);
Pdfmarks.isopen = false}
::map (function m -> {m with Pdfmarks.level = m.Pdfmarks.level + 1}) marks
in
Pdfmarks.add_bookmarks newmarks pdf
let bookmarks_open_to_level n pdf =
let marks = Pdfmarks.read_bookmarks pdf in
let newmarks =
map
(fun m -> {m with Pdfmarks.isopen = m.Pdfmarks.level < n})
marks
in
Pdfmarks.add_bookmarks newmarks pdf

3
cpdfbookmarks.mli
View File

@@ -16,3 +16,6 @@ val list_bookmarks : json:bool -> Cpdfmetadata.encoding -> int list -> Pdf.t ->
val name_of_spec : Cpdfmetadata.encoding ->
Pdfmarks.t list ->
Pdf.t -> int -> string -> int -> string -> int -> int -> string
val add_bookmark_title : string -> bool -> Pdf.t -> Pdf.t
val bookmarks_open_to_level : int -> Pdf.t -> Pdf.t

4
cpdfcommand.ml
View File

@@ -3038,7 +3038,7 @@ let go () =
let pdfs =
if args.merge_add_bookmarks then
map2
(fun filename pdf -> Cpdf.add_bookmark_title filename args.merge_add_bookmarks_use_titles pdf)
(fun filename pdf -> Cpdfbookmarks.add_bookmark_title filename args.merge_add_bookmarks_use_titles pdf)
(map (function InFile s -> s | StdIn -> "" | AlreadyInMemory _ -> "") names)
pdfs
else
@@ -3852,7 +3852,7 @@ let go () =
Cpdffont.embed_missing_fonts args.path_to_ghostscript args.gs_quiet fi fo
| Some (BookmarksOpenToLevel n) ->
let pdf = get_single_pdf args.op false in
write_pdf false (Cpdf.bookmarks_open_to_level n pdf)
write_pdf false (Cpdfbookmarks.bookmarks_open_to_level n pdf)
| Some CreatePDF ->
let pdf = Cpdf.create_pdf args.createpdf_pages args.createpdf_pagesize in
write_pdf false pdf