First stage of PMIN plus 3mm etc
This commit is contained in:
John Whitington
parent
43ffc25b9c
commit
ff9e90cb36
31
cpdf.ml
31
cpdf.ml
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@ -2082,7 +2082,8 @@ let change_pattern_matrices pdf tr resources =
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with
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Pdftransform.NonInvertable -> resources
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let shift_page ?(fast=false) dx dy pdf _ page =
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let shift_page ?(fast=false) dxdylist pdf pnum page =
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let dx, dy = List.nth dxdylist (pnum - 1) in
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let transform_op =
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Pdfops.Op_cm (Pdftransform.matrix_of_op (Pdftransform.Translate (dx, dy)))
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in
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@ -2091,8 +2092,8 @@ let shift_page ?(fast=false) dx dy pdf _ page =
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in
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Pdfpage.prepend_operators pdf [transform_op] ~fast {page with Pdfpage.resources = resources'}
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let shift_pdf ?(fast=false) dx dy pdf range =
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process_pages (shift_page ~fast dx dy pdf) pdf range
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let shift_pdf ?(fast=false) dxdylist pdf range =
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process_pages (shift_page ~fast dxdylist pdf) pdf range
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(* Change a page's media box so its minimum x and y are 0, making other
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operations simpler to think about. Any shift that is done is reflected in
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@ -2106,7 +2107,7 @@ let rectify_boxes ?(fast=false) pdf page =
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in
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let page = change_boxes f pdf page in
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if minx <> 0. || miny <> 0.
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then shift_page ~fast (-.minx) (-.miny) pdf 0 page
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then shift_page ~fast [(-.minx),(-.miny)] pdf 1 page
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else page
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(* \section{Flip pages} *)
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@ -2398,8 +2399,9 @@ let nobble_page pdf _ page =
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do_stamp false false (BottomLeft 0.) false false false true pdf page' page (Pdf.empty ())
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(* \section{Set media box} *)
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let set_mediabox x y w h pdf range =
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let crop_page _ page =
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let set_mediabox xywhlist pdf range =
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let crop_page pnum page =
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let x, y, w, h = List.nth xywhlist (pnum - 1) in
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{page with
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Pdfpage.mediabox =
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(Pdf.Array
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@ -2419,16 +2421,17 @@ let setBox box minx maxx miny maxy pdf range =
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process_pages set_box_page pdf range
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(* \section{Cropping} *)
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let crop_pdf x y w h pdf range =
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let crop_page _ page =
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let crop_pdf xywhlist pdf range =
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let crop_page pagenum page =
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{page with
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Pdfpage.rest =
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(Pdf.add_dict_entry
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page.Pdfpage.rest
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"/CropBox"
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(let x, y, w, h = List.nth xywhlist (pagenum - 1) in
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(Pdf.Array
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[Pdf.Real x; Pdf.Real y;
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Pdf.Real (x +. w); Pdf.Real (y +. h)]))}
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Pdf.Real (x +. w); Pdf.Real (y +. h)])))}
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in
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process_pages crop_page pdf range
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@ -2552,8 +2555,9 @@ let upright ?(fast=false) range pdf =
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process_pages (upright_page pdf) pdf range
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(* \section{Scale page data} *)
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let scale_pdf ?(fast=false) sx sy pdf range =
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let scale_page _ page =
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let scale_pdf ?(fast=false) sxsylist pdf range =
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let scale_page pnum page =
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let sx, sy = List.nth sxsylist (pnum - 1) in
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let f (xmin, ymin, xmax, ymax) =
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xmin *. sx, ymin *. sy, xmax *. sx, ymax *. sy
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in
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@ -2570,8 +2574,9 @@ let scale_pdf ?(fast=false) sx sy pdf range =
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(* Scale to fit page of size x * y *)
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(* FIXME: Can we do this in terms of scale_contents - and then just fix up the boxes? For 1.8 *)
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let scale_to_fit_pdf ?(fast=false) input_scale x y op pdf range =
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let scale_page_to_fit _ page =
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let scale_to_fit_pdf ?(fast=false) input_scale xylist op pdf range =
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let scale_page_to_fit pnum page =
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let x, y = List.nth xylist (pnum - 1) in
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let matrix =
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let (minx, miny, maxx, maxy) =
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(* Use cropbox if available *)
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20
cpdf.mli
20
cpdf.mli
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@ -346,11 +346,11 @@ val output_page_info : Pdf.t -> int list -> unit
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(** True if a given page in a PDF has a given box *)
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val hasbox : Pdf.t -> int -> string -> bool
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(** [crop_pdf x y w h pdf range] sets the cropbox on the given pages. *)
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val crop_pdf : float -> float -> float -> float -> Pdf.t -> int list -> Pdf.t
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(** [crop_pdf xywhlist pdf range] sets the cropbox on the given pages. *)
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val crop_pdf : (float * float * float * float) list -> Pdf.t -> int list -> Pdf.t
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(** [set_mediabox x y w h pdf range] sets the cropbox on the given pages. *)
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val set_mediabox : float -> float -> float -> float -> Pdf.t -> int list -> Pdf.t
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(** [set_mediabox xywhlist pdf range] sets the media box on the given pages. *)
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val set_mediabox : (float * float * float * float) list -> Pdf.t -> int list -> Pdf.t
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(** [setBox boxname x y w h pdf range] sets the given box on the given pages. *)
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val setBox : string -> float -> float -> float -> float -> Pdf.t -> int list -> Pdf.t
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@ -385,16 +385,18 @@ val vflip_pdf : ?fast:bool -> Pdf.t -> int list -> Pdf.t
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(** Flip the given pages horizontally *)
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val hflip_pdf : ?fast:bool -> Pdf.t -> int list -> Pdf.t
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(** Shift a PDF in x and y (in pts) in the given pages. *)
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val shift_pdf : ?fast:bool -> float -> float -> Pdf.t -> int list -> Pdf.t
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(** Shift a PDF in x and y (in pts) in the given pages. List of (x, y) pairs is
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for all pages in pdf. *)
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val shift_pdf : ?fast:bool -> (float * float) list -> Pdf.t -> int list -> Pdf.t
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(** Scale a PDF in sx, sy in the given pages. *)
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val scale_pdf : ?fast:bool -> float -> float -> Pdf.t -> int list -> Pdf.t
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(** Scale a PDF in sx, sy in the given pages. List of (sx, sy) pairs is
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for all pages in pdf. *)
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val scale_pdf : ?fast:bool -> (float * float) list -> Pdf.t -> int list -> Pdf.t
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(** [scale_to_fit_pdf input_scale x y op pdf range] scales a page to fit the
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page size given by (x, y) and by the [input_scale] (e.g 1.0 = scale to fit, 0.9
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= scale to fit leaving a border etc.). [op] is unused. *)
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val scale_to_fit_pdf : ?fast:bool -> float -> float -> float -> 'a -> Pdf.t -> int list -> Pdf.t
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val scale_to_fit_pdf : ?fast:bool -> float -> (float * float) list -> 'a -> Pdf.t -> int list -> Pdf.t
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(** Scale the contents of a page by a given factor centred around a given point in a given range. *)
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val scale_contents : ?fast:bool -> position -> float -> Pdf.t -> int list -> Pdf.t
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157
cpdfcommand.ml
157
cpdfcommand.ml
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@ -11,6 +11,9 @@ open Pdfio
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let initial_file_size = ref 0
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let empty = Pdf.empty ()
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let emptypage = Pdfpage.blankpage Pdfpaper.a4
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(* Wrap up the file reading functions to exit with code 1 when an encryption
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problem occurs. This happens when object streams are in an encrypted document
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and so it can't be read without the right password... The existing error
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@ -738,8 +741,8 @@ let points_of_papersize p =
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let c = Pdfunits.convert 0. unit Pdfunits.PdfPoint in
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c w, c h
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let firstpage pdf =
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List.hd (Pdfpage.pages_of_pagetree pdf)
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(*let firstpage pdf =
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List.hd (Pdfpage.pages_of_pagetree pdf)*)
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let cropbox pdf page =
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match Pdf.lookup_direct pdf "/CropBox" page.Pdfpage.rest with
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@ -824,100 +827,100 @@ let update_last_number pdf page unt op num = function
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in
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h'::t
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let rec parse_units_again pdf numbers papersize more =
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let rec parse_units_again pdf page numbers papersize more =
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let w, h = points_of_papersize papersize in
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parse_units pdf (h::w::numbers) more
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parse_units pdf page (h::w::numbers) more
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and parse_units pdf numbers = function
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and parse_units pdf page numbers = function
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| Pdfgenlex.LexName "a10portrait"::more ->
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parse_units_again pdf numbers Pdfpaper.a10 more
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parse_units_again pdf page numbers Pdfpaper.a10 more
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| Pdfgenlex.LexName "a9portrait"::more ->
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parse_units_again pdf numbers Pdfpaper.a9 more
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parse_units_again pdf page numbers Pdfpaper.a9 more
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| Pdfgenlex.LexName "a8portrait"::more ->
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parse_units_again pdf numbers Pdfpaper.a8 more
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parse_units_again pdf page numbers Pdfpaper.a8 more
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| Pdfgenlex.LexName "a7portrait"::more ->
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parse_units_again pdf numbers Pdfpaper.a7 more
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parse_units_again pdf page numbers Pdfpaper.a7 more
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| Pdfgenlex.LexName "a6portrait"::more ->
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parse_units_again pdf numbers Pdfpaper.a6 more
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parse_units_again pdf page numbers Pdfpaper.a6 more
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| Pdfgenlex.LexName "a5portrait"::more ->
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parse_units_again pdf numbers Pdfpaper.a5 more
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parse_units_again pdf page numbers Pdfpaper.a5 more
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| Pdfgenlex.LexName "a4portrait"::more ->
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parse_units_again pdf numbers Pdfpaper.a4 more
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parse_units_again pdf page numbers Pdfpaper.a4 more
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| Pdfgenlex.LexName "a3portrait"::more ->
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parse_units_again pdf numbers Pdfpaper.a3 more
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parse_units_again pdf page numbers Pdfpaper.a3 more
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| Pdfgenlex.LexName "a2portrait"::more ->
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parse_units_again pdf numbers Pdfpaper.a2 more
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parse_units_again pdf page numbers Pdfpaper.a2 more
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| Pdfgenlex.LexName "a1portrait"::more ->
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parse_units_again pdf numbers Pdfpaper.a1 more
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parse_units_again pdf page numbers Pdfpaper.a1 more
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| Pdfgenlex.LexName "a0portrait"::more ->
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parse_units_again pdf numbers Pdfpaper.a0 more
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parse_units_again pdf page numbers Pdfpaper.a0 more
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| Pdfgenlex.LexName "a10landscape"::more ->
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parse_units_again pdf numbers (Pdfpaper.landscape Pdfpaper.a10) more
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parse_units_again pdf page numbers (Pdfpaper.landscape Pdfpaper.a10) more
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| Pdfgenlex.LexName "a9landscape"::more ->
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parse_units_again pdf numbers (Pdfpaper.landscape Pdfpaper.a9) more
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parse_units_again pdf page numbers (Pdfpaper.landscape Pdfpaper.a9) more
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| Pdfgenlex.LexName "a8landscape"::more ->
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parse_units_again pdf numbers (Pdfpaper.landscape Pdfpaper.a8) more
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parse_units_again pdf page numbers (Pdfpaper.landscape Pdfpaper.a8) more
|
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| Pdfgenlex.LexName "a7landscape"::more ->
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parse_units_again pdf numbers (Pdfpaper.landscape Pdfpaper.a7) more
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parse_units_again pdf page numbers (Pdfpaper.landscape Pdfpaper.a7) more
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| Pdfgenlex.LexName "a6landscape"::more ->
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parse_units_again pdf numbers (Pdfpaper.landscape Pdfpaper.a6) more
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parse_units_again pdf page numbers (Pdfpaper.landscape Pdfpaper.a6) more
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||||
| Pdfgenlex.LexName "a5landscape"::more ->
|
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parse_units_again pdf numbers (Pdfpaper.landscape Pdfpaper.a5) more
|
||||
parse_units_again pdf page numbers (Pdfpaper.landscape Pdfpaper.a5) more
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||||
| Pdfgenlex.LexName "a4landscape"::more ->
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parse_units_again pdf numbers (Pdfpaper.landscape Pdfpaper.a4) more
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||||
parse_units_again pdf page numbers (Pdfpaper.landscape Pdfpaper.a4) more
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||||
| Pdfgenlex.LexName "a3landscape"::more ->
|
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parse_units_again pdf numbers (Pdfpaper.landscape Pdfpaper.a3) more
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parse_units_again pdf page numbers (Pdfpaper.landscape Pdfpaper.a3) more
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| Pdfgenlex.LexName "a2landscape"::more ->
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parse_units_again pdf numbers (Pdfpaper.landscape Pdfpaper.a2) more
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parse_units_again pdf page numbers (Pdfpaper.landscape Pdfpaper.a2) more
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| Pdfgenlex.LexName "a1landscape"::more ->
|
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parse_units_again pdf numbers (Pdfpaper.landscape Pdfpaper.a1) more
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parse_units_again pdf page numbers (Pdfpaper.landscape Pdfpaper.a1) more
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| Pdfgenlex.LexName "a0landscape"::more ->
|
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parse_units_again pdf numbers (Pdfpaper.landscape Pdfpaper.a0) more
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parse_units_again pdf page numbers (Pdfpaper.landscape Pdfpaper.a0) more
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| Pdfgenlex.LexName "uslegalportrait"::more ->
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parse_units_again pdf numbers Pdfpaper.uslegal more
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parse_units_again pdf page numbers Pdfpaper.uslegal more
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| Pdfgenlex.LexName "usletterportrait"::more ->
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parse_units_again pdf numbers Pdfpaper.usletter more
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parse_units_again pdf page numbers Pdfpaper.usletter more
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| Pdfgenlex.LexName "uslegallandscape"::more ->
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parse_units_again pdf numbers (Pdfpaper.landscape Pdfpaper.uslegal) more
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parse_units_again pdf page numbers (Pdfpaper.landscape Pdfpaper.uslegal) more
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||||
| Pdfgenlex.LexName "usletterlandscape"::more ->
|
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parse_units_again pdf numbers (Pdfpaper.landscape Pdfpaper.usletter) more
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parse_units_again pdf page numbers (Pdfpaper.landscape Pdfpaper.usletter) more
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| Pdfgenlex.LexInt x::Pdfgenlex.LexName "mm"::more ->
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parse_units pdf ((mm <| float_of_int x)::numbers) more
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parse_units pdf page ((mm <| float_of_int x)::numbers) more
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| Pdfgenlex.LexReal x::Pdfgenlex.LexName "mm"::more ->
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parse_units pdf (mm x::numbers) more
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parse_units pdf page (mm x::numbers) more
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| Pdfgenlex.LexInt x::Pdfgenlex.LexName "cm"::more ->
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parse_units pdf ((cm <| float_of_int x)::numbers) more
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parse_units pdf page ((cm <| float_of_int x)::numbers) more
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| Pdfgenlex.LexReal x::Pdfgenlex.LexName "cm"::more ->
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parse_units pdf (cm x::numbers) more
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parse_units pdf page (cm x::numbers) more
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| Pdfgenlex.LexInt x::Pdfgenlex.LexName "in"::more ->
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parse_units pdf ((inch <| float_of_int x)::numbers) more
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parse_units pdf page ((inch <| float_of_int x)::numbers) more
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| Pdfgenlex.LexReal x::Pdfgenlex.LexName "in"::more ->
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parse_units pdf (inch x::numbers) more
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parse_units pdf page (inch x::numbers) more
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| Pdfgenlex.LexInt x::more ->
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parse_units pdf (float_of_int x::numbers) more
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parse_units pdf page (float_of_int x::numbers) more
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| Pdfgenlex.LexReal x::more ->
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parse_units pdf (x::numbers) more
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parse_units pdf page (x::numbers) more
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| Pdfgenlex.LexName "pt"::more ->
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parse_units pdf numbers more
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parse_units pdf page numbers more
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| Pdfgenlex.LexName
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( "PW" | "PH" | "CW" | "CH" | "PMINX" | "PMINY" | "PMAXX" | "PMAXY"
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| "CMINX" | "CMINY" | "CMAXX" | "CMAXY") as page_characteristic::more ->
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parse_units
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pdf
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((find_page_characteristic pdf (firstpage pdf) page_characteristic)::numbers)
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page
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((find_page_characteristic pdf page page_characteristic)::numbers)
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more
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| Pdfgenlex.LexName ("add" | "sub" | "mul" | "div") as op::
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((Pdfgenlex.LexInt _ | Pdfgenlex.LexReal _ | Pdfgenlex.LexName
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( "PW" | "PH" | "CW" | "CH" | "PMINX" | "PMINY" | "PMAXX" | "PMAXY"
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| "CMINX" | "CMINY" | "CMAXX" | "CMAXY")) as num)::
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(Pdfgenlex.LexName ("pt" | "mm" | "cm" | "in") as unt)::more ->
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parse_units pdf (update_last_number pdf (firstpage pdf) unt op num numbers) more
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parse_units pdf page (update_last_number pdf page unt op num numbers) more
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| Pdfgenlex.LexName ("add" | "sub" | "mul" | "div") as op::
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((Pdfgenlex.LexInt _ | Pdfgenlex.LexReal _ | Pdfgenlex.LexName
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( "PW" | "PH" | "CW" | "CH" | "PMINX" | "PMINY" | "PMAXX" | "PMAXY"
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| "CMINX" | "CMINY" | "CMAXX" | "CMAXY")) as num)::more ->
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parse_units pdf (update_last_number pdf (firstpage pdf) (Pdfgenlex.LexName "pt") op num numbers) more
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parse_units pdf page (update_last_number pdf page (Pdfgenlex.LexName "pt") op num numbers) more
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| _ -> rev numbers
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let rec space_units_inner = function
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@ -931,33 +934,56 @@ let rec space_units_inner = function
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let space_units s =
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implode (space_units_inner (explode s))
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let parse_units_string pdf s =
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(*Printf.printf "Parsing string [%s]\n" s;*)
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let fs = parse_units pdf [] (Pdfgenlex.lex_string <| space_units s) in
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(*Printf.printf "Got numbers: %s\n"
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(List.fold_left (fun x y -> x ^ " " ^ y) "" (List.map string_of_float
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fs));*)
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let parse_units_string pdf page s =
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Printf.printf "Parsing string [%s]\n" s;
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let fs = parse_units pdf page [] (Pdfgenlex.lex_string <| space_units s) in
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Printf.printf "Got numbers: %s\n"
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(List.fold_left (fun x y -> x ^ " " ^ y) "" (List.map string_of_float fs));
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fs
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let parse_rectangle pdf s =
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try
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match parse_units_string pdf s with
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match parse_units_string pdf emptypage s with
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| [x; y; w; h] -> x, y, w, h
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| _ -> error "Bad rectangle specification"
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with
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_ -> error "Bad rectangle specification"
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let parse_rectangles pdf s =
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try
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let pages = Pdfpage.pages_of_pagetree pdf in
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let groups = List.map (fun page -> parse_units_string pdf page s) pages in
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List.map
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(function
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| [x; y; w; h] -> (x, y, w, h)
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| _ -> error "Bad rectangle specification")
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groups
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with
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_ -> error "Bad rectangle specification"
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let parse_coordinate pdf s =
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try
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match parse_units_string pdf s with
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match parse_units_string pdf emptypage s with
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| [dx; dy] -> dx, dy
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| _ -> error "Bad coordinate specification"
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with
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_ -> error "Bad coordinate specification"
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let parse_coordinates pdf s =
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try
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let pages = Pdfpage.pages_of_pagetree pdf in
|
||||
let groups = List.map (fun page -> parse_units_string pdf page s) pages in
|
||||
List.map
|
||||
(function
|
||||
| [dx; dy] -> (dx, dy)
|
||||
| _ -> error "Bad coordinate specification")
|
||||
groups
|
||||
with
|
||||
_ -> error "Bad coordinate specification"
|
||||
|
||||
let parse_single_number pdf s =
|
||||
try
|
||||
match parse_units_string pdf s with
|
||||
match parse_units_string pdf emptypage s with
|
||||
| [x] -> x
|
||||
| _ -> error "Bad number Argument"
|
||||
with
|
||||
|
|
@ -1026,7 +1052,7 @@ let displaydoctitle b =
|
|||
try setop (DisplayDocTitle (bool_of_string b)) () with
|
||||
_ -> failwith "DisplayDocTitle: must use true or false"
|
||||
|
||||
let empty = Pdf.empty ()
|
||||
|
||||
|
||||
let setsplitbookmarks i = setop (SplitOnBookmarks i) ()
|
||||
let setstdout () = args.out <- Stdout
|
||||
|
|
@ -3252,20 +3278,19 @@ let go () =
|
|||
begin match args.inputs, args.out with
|
||||
| (_, pagespec, _, _, _, _)::_, _ ->
|
||||
let pdf = get_single_pdf (Some Crop) false in
|
||||
let x, y, w, h = parse_rectangle pdf args.rectangle in
|
||||
let xywhlist = parse_rectangles pdf args.rectangle in
|
||||
let range = parse_pagespec pdf pagespec in
|
||||
let pdf = Cpdf.crop_pdf x y w h pdf range in
|
||||
let pdf = Cpdf.crop_pdf xywhlist pdf range in
|
||||
write_pdf false pdf
|
||||
| _ -> error "crop: bad command line"
|
||||
end
|
||||
|
||||
| Some MediaBox ->
|
||||
begin match args.inputs, args.out with
|
||||
| (_, pagespec, _, _, _, _)::_, _ ->
|
||||
let pdf = get_single_pdf (Some MediaBox) false in
|
||||
let x, y, w, h = parse_rectangle pdf args.rectangle in
|
||||
let xywhlist = parse_rectangles pdf args.rectangle in
|
||||
let range = parse_pagespec pdf pagespec in
|
||||
let pdf = Cpdf.set_mediabox x y w h pdf range in
|
||||
let pdf = Cpdf.set_mediabox xywhlist pdf range in
|
||||
write_pdf false pdf
|
||||
| _ -> error "set media box: bad command line"
|
||||
end
|
||||
|
|
@ -3554,21 +3579,19 @@ let go () =
|
|||
| Some Shift ->
|
||||
let pdf = get_single_pdf args.op false in
|
||||
let range = parse_pagespec pdf (get_pagespec ()) in
|
||||
begin match parse_coordinate pdf args.coord with (dx, dy) ->
|
||||
write_pdf false (Cpdf.shift_pdf ~fast:args.fast dx dy pdf range)
|
||||
end
|
||||
let dxdylist = parse_coordinates pdf args.coord in
|
||||
write_pdf false (Cpdf.shift_pdf ~fast:args.fast dxdylist pdf range)
|
||||
| Some Scale ->
|
||||
let pdf = get_single_pdf args.op false in
|
||||
let range = parse_pagespec pdf (get_pagespec ()) in
|
||||
begin match parse_coordinate pdf args.coord with (sx, sy) ->
|
||||
write_pdf false (Cpdf.scale_pdf ~fast:args.fast sx sy pdf range)
|
||||
end
|
||||
let sxsylist = parse_coordinates pdf args.coord in
|
||||
write_pdf false (Cpdf.scale_pdf ~fast:args.fast sxsylist pdf range)
|
||||
| Some ScaleToFit ->
|
||||
let pdf = get_single_pdf args.op false in
|
||||
let range = parse_pagespec pdf (get_pagespec ()) in
|
||||
let x, y = parse_coordinate pdf args.coord
|
||||
let xylist = parse_coordinates pdf args.coord
|
||||
and scale = args.scale in
|
||||
write_pdf false (Cpdf.scale_to_fit_pdf ~fast:args.fast scale x y args.op pdf range)
|
||||
write_pdf false (Cpdf.scale_to_fit_pdf ~fast:args.fast scale xylist args.op pdf range)
|
||||
| Some (ScaleContents scale) ->
|
||||
let pdf = get_single_pdf args.op false in
|
||||
let range = parse_pagespec pdf (get_pagespec ()) in
|
||||
|
|
|
|||
Loading…
Reference in New Issue