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/
cpdf-source
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guard 2.x files against having version changed

This commit is contained in:
John Whitington 2023-03-22 15:45:00 +00:00
parent c20411eb14
commit 06a0553568
3 changed files with 10 additions and 11 deletions
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4
cpdfattach.ml
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@ -81,7 +81,7 @@ let attach_file ?memory keepversion topage pdf file =
let rootdict' = Pdf.add_dict_entry rootdict "/Names" namedict' in
let rootnum = Pdf.addobj pdf rootdict' in
{pdf with
Pdf.minor = if keepversion then pdf.Pdf.minor else max pdf.Pdf.minor 4;
Pdf.minor = if keepversion || pdf.Pdf.major > 1 then pdf.Pdf.minor else max pdf.Pdf.minor 4;
Pdf.root = rootnum;
Pdf.trailerdict =
Pdf.add_dict_entry
@ -114,7 +114,7 @@ let attach_file ?memory keepversion topage pdf file =
let pages' = replace_number pagenumber page' pages in
let pdf = Pdfpage.change_pages true pdf pages' in
{pdf with
Pdf.minor = if keepversion then pdf.Pdf.minor else max pdf.Pdf.minor 4}
Pdf.minor = if keepversion || pdf.Pdf.major > 1 then pdf.Pdf.minor else max pdf.Pdf.minor 4}
type attachment =
{name : string;

10
cpdfcommand.ml
View File

@ -3198,7 +3198,7 @@ let really_write_pdf ?(encryption = None) ?(is_decompress=false) mk_id pdf outna
let write_pdf ?(encryption = None) ?(is_decompress=false) mk_id pdf =
if args.debugcrypt then Printf.printf "write_pdf\n";
if args.create_objstm && not args.keepversion
if args.create_objstm && not (args.keepversion || pdf.Pdf.major > 1)
then pdf.Pdf.minor <- max pdf.Pdf.minor 5;
match args.out with
| NoOutputSpecified ->
@ -3864,7 +3864,7 @@ let go () =
| _ -> assert false
in
let pdf = get_single_pdf args.op false in
let version = if args.keepversion then pdf.Pdf.minor else version in
let version = if args.keepversion || pdf.Pdf.major > 1 then pdf.Pdf.minor else version in
write_pdf false
(Cpdfmetadata.set_pdf_info
~xmp_also:args.alsosetxml
@ -3887,7 +3887,7 @@ let go () =
| _ -> assert false
in
let pdf = get_single_pdf args.op false in
let version = if args.keepversion then pdf.Pdf.minor else version in
let version = if args.keepversion || pdf.Pdf.major > 1 then pdf.Pdf.minor else version in
write_pdf false (Cpdfmetadata.set_viewer_preference (key, value, version) pdf)
end
| Some (OpenAtPage str) ->
@ -3980,7 +3980,7 @@ let go () =
args.transition args.duration args.horizontal
args.inward args.direction args.effect_duration pdf
in
pdf.Pdf.minor <- if args.keepversion then pdf.Pdf.minor else max pdf.Pdf.minor 1;
pdf.Pdf.minor <- if args.keepversion || pdf.Pdf.major > 1 then pdf.Pdf.minor else max pdf.Pdf.minor 1;
write_pdf false pdf'
| Some ChangeId ->
if args.recrypt then
@ -4262,7 +4262,7 @@ let go () =
"40bit" -> 1 | "128bit" -> 4 | "AES" -> 6 | "AES256" | "AES256ISO" -> 7 | _ -> 0
in
let newversion = if args.create_objstm then 5 else newversion in
pdf.Pdf.minor <- max pdf.Pdf.minor newversion
if pdf.Pdf.major = 1 then pdf.Pdf.minor <- max pdf.Pdf.minor newversion
end;
write_pdf ~encryption:(Some encryption) false pdf
| Some Decrypt ->

7
cpdfmetadata.ml
View File

@ -84,7 +84,7 @@ let set_metadata_from_bytes keepversion data pdf =
Pdf.trailerdict = trailerdict;
Pdf.root = rootnum;
Pdf.minor =
if keepversion then pdf.Pdf.minor else max 4 pdf.Pdf.minor}
if pdf.Pdf.major > 1 || keepversion then pdf.Pdf.minor else max 4 pdf.Pdf.minor}
let set_metadata keepversion filename pdf =
let ch = open_in_bin filename in
@ -488,8 +488,7 @@ let set_pdf_info ?(xmp_also=false) ?(xmp_just_set=false) (key, value, version) p
begin
pdf.Pdf.trailerdict <-
Pdf.add_dict_entry pdf.Pdf.trailerdict "/Info" (Pdf.Indirect objnum);
pdf.Pdf.minor <-
max pdf.Pdf.minor version
if pdf.Pdf.major = 1 then pdf.Pdf.minor <- max pdf.Pdf.minor version
end;
if xmp_also then
begin match get_metadata pdf with
@ -546,7 +545,7 @@ let copy_id keepversion copyfrom copyto =
copyto.Pdf.trailerdict <-
Pdf.add_dict_entry copyto.Pdf.trailerdict "/ID" id;
copyto.Pdf.minor <-
if keepversion then copyto.Pdf.minor else max copyto.Pdf.minor 1;
if copyto.Pdf.major > 1 || keepversion then copyto.Pdf.minor else max copyto.Pdf.minor 1;
copyto
let replacements pdf =