diff --git a/cpdfcommand.ml b/cpdfcommand.ml index 7bb37fd..4dad789 100644 --- a/cpdfcommand.ml +++ b/cpdfcommand.ml @@ -231,6 +231,8 @@ type op = | Composition of bool | Chop of int * int | ProcessImages + | ExtractStream of int + | PrintObj of int let string_of_op = function | PrintFontEncoding _ -> "PrintFontEncoding" @@ -369,6 +371,8 @@ let string_of_op = function | Composition _ -> "Composition" | Chop _ -> "Chop" | ProcessImages -> "ProcessImages" + | ExtractStream _ -> "ExtractStream" + | PrintObj _ -> "PrintObj" (* Inputs: filename, pagespec. *) type input_kind = @@ -533,7 +537,8 @@ type args = mutable dpi_target : int; mutable resample_factor : int; mutable resample_interpolate : bool; - mutable jbig2_lossy_threshold : float} + mutable jbig2_lossy_threshold : float; + mutable extract_stream_decompress : bool} let args = {op = None; @@ -667,7 +672,8 @@ let args = dpi_target = 0; resample_factor = 101; resample_interpolate = false; - jbig2_lossy_threshold = 0.85} + jbig2_lossy_threshold = 0.85; + extract_stream_decompress = false} (* Do not reset original_filename or cpdflin or was_encrypted or was_decrypted_with_owner or recrypt or producer or creator or path_to_* or @@ -788,6 +794,7 @@ let reset_arguments () = args.resample_factor <- 101; args.resample_interpolate <- false; args.jbig2_lossy_threshold <- 0.85; + args.extract_stream_decompress <- false; clear Cpdfdrawcontrol.fontpack_initialised (* Prefer a) the one given with -cpdflin b) a local cpdflin, c) otherwise assume @@ -887,7 +894,7 @@ let banned banlist = function | ExtractText | ExtractImages | ExtractFontFile _ | AddPageLabels | RemovePageLabels | OutputJSON | OCGCoalesce | OCGRename | OCGList | OCGOrderAll | PrintFontEncoding _ | TableOfContents | Typeset _ | Composition _ - | TextWidth _ | SetAnnotations _ | CopyAnnotations _ + | TextWidth _ | SetAnnotations _ | CopyAnnotations _ | ExtractStream _ | PrintObj _ -> false (* Always allowed *) (* Combine pages is not allowed because we would not know where to get the -recrypt from -- the first or second file? *) @@ -1996,6 +2003,16 @@ let setjbig2_lossy_threshold f = let setprocessimagesinfo () = set Cpdfimage.debug_image_processing +let setextractstream i = + args.op <- Some (ExtractStream i) + +let setextractstreamdecomp i = + args.op <- Some (ExtractStream i); + args.extract_stream_decompress <- true + +let setprintobj i = + args.op <- Some (PrintObj i) + (* Parse a control file, make an argv, and then make Arg parse it. *) let rec make_control_argv_and_parse filename = control_args := !control_args @ parse_control_file filename @@ -2945,6 +2962,9 @@ and specs = ("-rise", Arg.Float (fun f -> Cpdfdrawcontrol.addop (Cpdfdraw.Rise f)), " Set text rise"); ("-nl", Arg.Unit (fun () -> Cpdfdrawcontrol.addop Cpdfdraw.Newline), " New line"); ("-newpage", Arg.Unit Cpdfdrawcontrol.addnewpage, " Move to a fresh page"); + ("-extract-stream", Arg.Int setextractstream, " Extract a stream"); + ("-extract-stream-decompress", Arg.Int setextractstreamdecomp, "Extract a stream, decompressing"); + ("-obj", Arg.Int setprintobj, "Print object"); (* These items are undocumented *) ("-debug", Arg.Unit setdebug, ""); ("-debug-crypt", Arg.Unit setdebugcrypt, ""); @@ -3540,6 +3560,12 @@ let build_enc () = Pdfwrite.user_password = args.user; Pdfwrite.permissions = banlist_of_args ()} +let extract_stream pdf objnum decomp = + () + +let print_obj pdf objnum = + () + (* Main function *) let go () = check_bookmarks_mistake (); @@ -4550,6 +4576,12 @@ let go () = ~dpi_threshold:args.dpi_threshold ~dpi_target:args.dpi_target ~factor:args.resample_factor ~interpolate:args.resample_interpolate ~path_to_jbig2enc:args.path_to_jbig2enc ~path_to_convert:args.path_to_convert range pdf; write_pdf false pdf + | Some (ExtractStream i) -> + let pdf = get_single_pdf args.op false in + extract_stream pdf args.extract_stream_decompress i + | Some (PrintObj i) -> + let pdf = get_single_pdf args.op false in + print_obj pdf i (* Advise the user if a combination of command line flags makes little sense, or error out if it make no sense at all. *) diff --git a/cpdfmanual.tex b/cpdfmanual.tex index ef3e15a..ed5c7fc 100644 --- a/cpdfmanual.tex +++ b/cpdfmanual.tex @@ -13,6 +13,8 @@ %Document -pages -fast %Document -page-info changes %Document -png -jpeg -jbig2 by extension +%Document -extract-stream +%Document -obj \documentclass{book} % Edit here to produce cpdfmanual.pdf, cpdflibmanual.pdf, pycpdfmanual.pdf, % dotnetcpdflibmanual.pdf, jcpdflibmanual.pdf jscpdflibmanual.pdf etc.