306 lines
10 KiB
OCaml
306 lines
10 KiB
OCaml
|
(** Coherent PDF Tools Core Routines *)
|
||
|
|
open Pdfutil
|
||
|
|
|
||
|
|
type encoding = Raw | UTF8 | Stripped
|
||
|
|
|
||
|
|
val parse_pagespec : Pdf.t -> string -> int list
|
||
|
|
|
||
|
|
val string_of_pagespec : Pdf.t -> int list -> string
|
||
|
|
|
||
|
|
val validate_pagespec : string -> bool
|
||
|
|
|
||
|
|
val name_of_spec : bool -> Pdfmarks.t list -> Pdf.t -> int -> string -> int -> string -> int -> int -> string
|
||
|
|
|
||
|
|
(** Debug: Print out a PDF in readable form to the terminal *)
|
||
|
|
val print_pdf_objs : Pdf.t -> unit
|
||
|
|
|
||
|
|
(** Same, but from an input and possible password - does the minimal work to find the number of pages. *)
|
||
|
|
val endpage_io : Pdfio.input -> string option -> string option -> int
|
||
|
|
|
||
|
|
(** Compresses all streams in the PDF document which are uncompressed, using
|
||
|
|
/FlateDecode, leaving out metadata. If the PDF is encrypted, does nothing. *)
|
||
|
|
val recompress_pdf : Pdf.t -> Pdf.t
|
||
|
|
|
||
|
|
val decompress_pdf : Pdf.t -> Pdf.t
|
||
|
|
|
||
|
|
(* [set_pdf_info (key, value, version)] sets the entry [key] in the /Info directory, updating
|
||
|
|
the PDF minor version to [version].*)
|
||
|
|
val set_pdf_info : (string * Pdf.pdfobject * int) -> Pdf.t -> Pdf.t
|
||
|
|
|
||
|
|
(* [set_pdf_info (key, value, version)] sets the entry [key] in the
|
||
|
|
/ViewerPreferences directory, updating the PDF minor version to [version].*)
|
||
|
|
val set_viewer_preference : (string * Pdf.pdfobject * int) -> Pdf.t -> Pdf.t
|
||
|
|
|
||
|
|
(* Set the page layout to the given name (sans slash) e.g SinglePage *)
|
||
|
|
val set_page_layout : Pdf.t -> string -> Pdf.t
|
||
|
|
|
||
|
|
(* Set the page layout to the given name (sans slash) e.g SinglePage *)
|
||
|
|
val set_page_mode : Pdf.t -> string -> Pdf.t
|
||
|
|
|
||
|
|
(* Expand the string "now" to a PDF date string, ignoring any other string *)
|
||
|
|
val expand_date : string -> string
|
||
|
|
|
||
|
|
(* Given a function from page number and page to page, a document, and a list
|
||
|
|
of page numbers to apply it to, apply the function to all those pages. *)
|
||
|
|
val process_pages : (int -> Pdfpage.t -> Pdfpage.t) -> Pdf.t -> int list -> Pdf.t
|
||
|
|
|
||
|
|
(* Same, but just iterate *)
|
||
|
|
val iter_pages : (int -> Pdfpage.t -> unit) -> Pdf.t -> int list -> unit
|
||
|
|
|
||
|
|
(* Same, but map *)
|
||
|
|
val map_pages : (int -> Pdfpage.t -> 'a) -> Pdf.t -> int list -> 'a list
|
||
|
|
|
||
|
|
(* Two possible error classes. *)
|
||
|
|
exception SoftError of string
|
||
|
|
exception HardError of string
|
||
|
|
|
||
|
|
(* [presentation range t d h i dir effect_dur pdf] *)
|
||
|
|
val presentation : int list -> string option ->
|
||
|
|
float option -> bool -> bool -> int -> float -> Pdf.t -> Pdf.t
|
||
|
|
|
||
|
|
(* [attach_file keep-version topage pdf filename] *)
|
||
|
|
val attach_file : bool -> int option -> Pdf.t -> string -> Pdf.t
|
||
|
|
|
||
|
|
(* Remove attached files. *)
|
||
|
|
val remove_attached_files : Pdf.t -> Pdf.t
|
||
|
|
|
||
|
|
(* List attached files. Attachment name and page number. Page 0 is document level. *)
|
||
|
|
val list_attached_files : Pdf.t -> (string * int) list
|
||
|
|
|
||
|
|
(* [parse_bookmark_file verify pdf input] *)
|
||
|
|
val parse_bookmark_file : bool -> Pdf.t -> Pdfio.input -> Pdfmarks.t list
|
||
|
|
|
||
|
|
(* [add_bookmarks verify input pdf] *)
|
||
|
|
val add_bookmarks : bool -> Pdfio.input -> Pdf.t -> Pdf.t
|
||
|
|
|
||
|
|
(* [copy_id keepversion copyfrom copyto] *)
|
||
|
|
val copy_id : bool -> Pdf.t -> Pdf.t -> Pdf.t
|
||
|
|
|
||
|
|
(* [set_metadata keepversion filename pdf] *)
|
||
|
|
val set_metadata : bool -> string -> Pdf.t -> Pdf.t
|
||
|
|
|
||
|
|
val set_metadata_from_bytes : bool -> Pdfio.bytes -> Pdf.t -> Pdf.t
|
||
|
|
|
||
|
|
(* Remove the metadata from a file *)
|
||
|
|
val remove_metadata : Pdf.t -> Pdf.t
|
||
|
|
|
||
|
|
(* [combine_pages fast under over scaletofit swap equalize] *)
|
||
|
|
val combine_pages : bool -> Pdf.t -> Pdf.t -> bool -> bool -> bool -> Pdf.t
|
||
|
|
|
||
|
|
(* [stamp scale_to_fit fast isover range over pdf] stamps the first page of [over] over each page of the PDF. *)
|
||
|
|
val stamp : bool -> bool -> bool -> int list -> Pdf.t -> Pdf.t -> Pdf.t
|
||
|
|
|
||
|
|
(* [list_bookmarks deunicode range page_offset pdf output] *)
|
||
|
|
val list_bookmarks : encoding -> int list -> Pdf.t -> Pdfio.output -> unit
|
||
|
|
|
||
|
|
(* Custom CSP1 *)
|
||
|
|
val custom_csp1 : Pdf.t -> Pdf.t
|
||
|
|
|
||
|
|
(* Custom CSP2 *)
|
||
|
|
val custom_csp2 : float -> Pdf.t -> Pdf.t
|
||
|
|
|
||
|
|
(* FIXME: Horrid - should return PDFs, write to file separtely. *)
|
||
|
|
(* [split_at_bookmarks linearize nobble level spec pdf] *)
|
||
|
|
val split_at_bookmarks : string -> bool -> (Pdf.t -> Pdf.t) -> int -> string -> Pdf.t -> unit
|
||
|
|
|
||
|
|
(* The new one *)
|
||
|
|
val split_on_bookmarks : Pdf.t -> int -> Pdf.t list
|
||
|
|
|
||
|
|
(* [split_pdf printf chunksize linearize nobble spec pdf] *)
|
||
|
|
val split_pdf : Pdfwrite.encryption option -> bool -> string -> int -> bool -> (Pdf.t -> Pdf.t) -> string -> Pdf.t -> unit
|
||
|
|
|
||
|
|
(* Nobble a page, given pdf, pagenumber and page *)
|
||
|
|
val nobble_page : Pdf.t -> 'a -> Pdfpage.t -> Pdfpage.t
|
||
|
|
|
||
|
|
(* Print page info (Mediabox etc) *)
|
||
|
|
val output_page_info : Pdf.t -> unit
|
||
|
|
|
||
|
|
val hasbox : Pdf.t -> int -> string -> bool
|
||
|
|
|
||
|
|
(* Print metadate to stdout *)
|
||
|
|
val get_metadata : Pdf.t -> Pdfio.bytes
|
||
|
|
|
||
|
|
val print_metadata : Pdf.t -> unit
|
||
|
|
|
||
|
|
(* Print font list to stdout *)
|
||
|
|
val print_fonts : Pdf.t -> unit
|
||
|
|
|
||
|
|
val list_fonts : Pdf.t -> (int * string * string * string * string) list
|
||
|
|
|
||
|
|
(* Possible positions for adding text and other uses. *)
|
||
|
|
type position =
|
||
|
|
| PosCentre of float * float
|
||
|
|
| PosLeft of float * float
|
||
|
|
| PosRight of float * float
|
||
|
|
| Top of float
|
||
|
|
| TopLeft of float
|
||
|
|
| TopRight of float
|
||
|
|
| Left of float
|
||
|
|
| BottomLeft of float
|
||
|
|
| Bottom of float
|
||
|
|
| BottomRight of float
|
||
|
|
| Right of float
|
||
|
|
| Diagonal
|
||
|
|
| ReverseDiagonal
|
||
|
|
|
||
|
|
val string_of_position : position -> string
|
||
|
|
|
||
|
|
type orientation =
|
||
|
|
| Horizontal
|
||
|
|
| Vertical
|
||
|
|
| VerticalDown
|
||
|
|
|
||
|
|
type justification =
|
||
|
|
| LeftJustify
|
||
|
|
| CentreJustify
|
||
|
|
| RightJustify
|
||
|
|
|
||
|
|
(* [calculate ignore_d w (xmin, ymin, xmax, ymax) shorterside pos] *)
|
||
|
|
val calculate_position :
|
||
|
|
bool ->
|
||
|
|
float ->
|
||
|
|
float * float * float * float ->
|
||
|
|
orientation -> position -> float * float * float
|
||
|
|
|
||
|
|
(* Returns what the added text string would be *)
|
||
|
|
(*val addtext_returntext : Pdf.t -> string -> int -> string -> int -> string*)
|
||
|
|
|
||
|
|
val metrics_howmany : unit -> int
|
||
|
|
val metrics_text : int -> string
|
||
|
|
val metrics_x : int -> float
|
||
|
|
val metrics_y : int -> float
|
||
|
|
val metrics_rot : int -> float
|
||
|
|
val metrics_baseline_adjustment : unit -> float
|
||
|
|
|
||
|
|
(* [add_texts fontname font bates colour positino linespacing fontsize shorterside text pages pdf] *)
|
||
|
|
val addtexts :
|
||
|
|
bool -> (*metrics*)
|
||
|
|
float -> (*linewidth*)
|
||
|
|
bool -> (*outline*)
|
||
|
|
bool -> (*fast*)
|
||
|
|
string -> (*fontname*)
|
||
|
|
Pdftext.standard_font option -> (*font*)
|
||
|
|
int -> (*bates number *)
|
||
|
|
float * float * float -> (*colour*)
|
||
|
|
position -> (*position*)
|
||
|
|
float -> (*linespacing*)
|
||
|
|
float -> (*fontsize*)
|
||
|
|
bool -> (*underneath*)
|
||
|
|
string ->(*text*)
|
||
|
|
int list ->(*page range*)
|
||
|
|
orientation ->(*orientation*)
|
||
|
|
bool ->(*relative to cropbox?*)
|
||
|
|
float ->(*opacity*)
|
||
|
|
justification ->(*justification*)
|
||
|
|
bool ->(*midline adjust?*)
|
||
|
|
string ->(*filename*)
|
||
|
|
Pdf.t ->(*pdf*)
|
||
|
|
Pdf.t
|
||
|
|
|
||
|
|
(* Remove text from the given pages. *)
|
||
|
|
val removetext : int list -> Pdf.t -> Pdf.t
|
||
|
|
|
||
|
|
(* Modify the rotation of the page and its contents to leave the rotation at 0 with the page effectively unaltered. *)
|
||
|
|
val upright : ?fast:bool -> int list -> Pdf.t -> Pdf.t
|
||
|
|
|
||
|
|
(* [crop_pdf x y w h pdf range] *)
|
||
|
|
val crop_pdf : float -> float -> float -> float -> Pdf.t -> int list -> Pdf.t
|
||
|
|
|
||
|
|
(* [set_mediabox x y w h pdf range] *)
|
||
|
|
val set_mediabox : float -> float -> float -> float -> Pdf.t -> int list -> Pdf.t
|
||
|
|
|
||
|
|
val setBox : string -> float -> float -> float -> float -> Pdf.t -> int list -> Pdf.t
|
||
|
|
|
||
|
|
(* Remove any cropping from the given pages. *)
|
||
|
|
val remove_cropping_pdf : Pdf.t -> int list -> Pdf.t
|
||
|
|
val remove_trim_pdf : Pdf.t -> int list -> Pdf.t
|
||
|
|
val remove_bleed_pdf : Pdf.t -> int list -> Pdf.t
|
||
|
|
val remove_art_pdf : Pdf.t -> int list -> Pdf.t
|
||
|
|
|
||
|
|
(* Change rotation to a given value 0, 90, 180, 270 on given pages. *)
|
||
|
|
val rotate_pdf : int -> Pdf.t -> int list -> Pdf.t
|
||
|
|
|
||
|
|
(* Rotate clockwise by 0, 90, 180, 270 on given pages. *)
|
||
|
|
val rotate_pdf_by : int -> Pdf.t -> int list -> Pdf.t
|
||
|
|
|
||
|
|
(* Rotate the contents by the given angle on the given pages. *)
|
||
|
|
val rotate_contents : ?fast:bool -> float -> Pdf.t -> int list -> Pdf.t
|
||
|
|
|
||
|
|
(* Flip the given pages vertically *)
|
||
|
|
val vflip_pdf : ?fast:bool -> Pdf.t -> int list -> Pdf.t
|
||
|
|
|
||
|
|
(* Flip the given pages horizontally *)
|
||
|
|
val hflip_pdf : ?fast:bool -> Pdf.t -> int list -> Pdf.t
|
||
|
|
|
||
|
|
(* Shift a PDF in x and y (in pts) in the given pages. *)
|
||
|
|
val shift_pdf : ?fast:bool -> float -> float -> Pdf.t -> int list -> Pdf.t
|
||
|
|
|
||
|
|
(* Scale a PDF in sx, sy in the given pages. *)
|
||
|
|
val scale_pdf : ?fast:bool -> float -> float -> Pdf.t -> int list -> Pdf.t
|
||
|
|
|
||
|
|
(* FIXME: See .ml *)
|
||
|
|
(* [scale_to_fit_pdf input_scale x y op pdf range] *)
|
||
|
|
val scale_to_fit_pdf : ?fast:bool -> float -> float -> float -> 'a -> Pdf.t -> int list -> Pdf.t
|
||
|
|
|
||
|
|
(* Scale the contents of a page by a given factor centred around a given point in a given range. *)
|
||
|
|
val scale_contents : ?fast:bool -> position -> float -> Pdf.t -> int list -> Pdf.t
|
||
|
|
|
||
|
|
(* Put blank pages before the given page numbers *)
|
||
|
|
val padbefore : int list -> Pdf.t -> Pdf.t
|
||
|
|
|
||
|
|
(* Put blank pages after the given page numbers *)
|
||
|
|
val padafter : int list -> Pdf.t -> Pdf.t
|
||
|
|
|
||
|
|
(* Pad to a multiple of n pages *)
|
||
|
|
val padmultiple : int -> Pdf.t -> Pdf.t
|
||
|
|
|
||
|
|
(* List the annotations to standard output *)
|
||
|
|
val list_annotations : encoding -> Pdf.t -> unit
|
||
|
|
|
||
|
|
val list_annotations_more : Pdf.t -> unit
|
||
|
|
|
||
|
|
val get_annotations : encoding -> Pdf.t -> (int * string) list
|
||
|
|
|
||
|
|
(* Copy the annotations on a given set of pages from a to b yielding c. *)
|
||
|
|
val copy_annotations : int list -> Pdf.t -> Pdf.t -> Pdf.t
|
||
|
|
|
||
|
|
(* Remove the annotations on given pages. *)
|
||
|
|
val remove_annotations : int list -> Pdf.t -> Pdf.t
|
||
|
|
|
||
|
|
(* Two-up a PDF. *)
|
||
|
|
val twoup : Pdf.t -> Pdf.t
|
||
|
|
|
||
|
|
(* Stack Two-up a PDF. *)
|
||
|
|
val twoup_stack : Pdf.t -> Pdf.t
|
||
|
|
|
||
|
|
(* Output to standard output general information about a PDF. *)
|
||
|
|
(*val get_info : bool -> Pdf.t -> string -> string*)
|
||
|
|
|
||
|
|
val get_info_utf8 : Pdf.t -> string -> string
|
||
|
|
|
||
|
|
val output_info : encoding -> Pdf.t -> unit
|
||
|
|
|
||
|
|
(* Make all lines in the PDF at least a certain thickness. *)
|
||
|
|
val thinlines : int list -> float -> Pdf.t -> Pdf.t
|
||
|
|
|
||
|
|
(* Make all text on certain pages black. *)
|
||
|
|
val blacktext : int list -> Pdf.t -> Pdf.t
|
||
|
|
|
||
|
|
(* Make all lines on certain pages black. *)
|
||
|
|
val blacklines : int list -> Pdf.t -> Pdf.t
|
||
|
|
|
||
|
|
(* Make all fills on certain pages black. *)
|
||
|
|
val blackfills : int list -> Pdf.t -> Pdf.t
|
||
|
|
|
||
|
|
(* Remove images from a PDF, optionally adding crossed boxes. *)
|
||
|
|
val draft : bool -> int list -> Pdf.t -> Pdf.t
|
||
|
|
|
||
|
|
val set_version : int -> Pdf.t -> unit
|
||
|
|
|
||
|
|
(*i val pdf_of_pages : Pdfmarks.bookmark list option -> int list -> Pdfdoc.page list -> Pdf.t -> Pdf.t i*)
|
||
|
|
|
||
|
|
val blank_document : float -> float -> int -> Pdf.t
|
||
|
|
|
||
|
|
val blank_document_paper : Pdfpaper.t -> int -> Pdf.t
|
||
|
|
|