diff --git a/cpdftoc.ml b/cpdftoc.ml index 50f69ad..dde22c9 100644 --- a/cpdftoc.ml +++ b/cpdftoc.ml @@ -14,11 +14,12 @@ let rec real_newline = function | x::r -> x::real_newline r | [] -> [] -(* Cpdftype codepoints from a font and UTF8 *) -let of_utf8 f t = - Pdftext.codepoints_of_utf8 t +(* Run of Font / Text elements from a fontpack and UTF8 text *) +let of_utf8 fontpack t = + [] + (* Pdftext.codepoints_of_utf8 t |> option_map (Pdftext.charcode_extractor_of_font_real f) - |> map char_of_int + |> map char_of_int*) (* Cpdftype codepoints from a font and PDFDocEndoding string *) let of_pdfdocencoding f t = @@ -38,6 +39,7 @@ let shorten_text widths l t = (* Calculate the used codepoints *) let used pdf fastrefnums labels title marks = let codepoints = null_hash () in + Hashtbl.add codepoints (int_of_char '.') (); let addtext t = iter (fun c -> Hashtbl.replace codepoints c ()) @@ -66,15 +68,13 @@ let typeset_table_of_contents ~font ~fontsize ~title ~bookmark pdf = let refnums = Pdf.page_reference_numbers pdf in let fastrefnums = hashtable_of_dictionary (combine refnums (indx refnums)) in let codepoints = map fst (list_of_hashtbl (used pdf fastrefnums labels title marks)) in - let font = - match font with - | Cpdfembed.PreMadeFontPack t -> hd (fst t) - | Cpdfembed.EmbedInfo {fontfile; fontname; encoding} -> - hd (fst (Cpdfembed.embed_truetype pdf ~fontfile ~fontname ~codepoints ~encoding)) - | Cpdfembed.ExistingNamedFont -> raise (Pdf.PDFError "Cannot use existing font with -table-of-contents") - in - let f, fs = (font, fontsize) in - let _, bfs as big = (font, fontsize *. 2.) in + let fontpack = + match font with + | Cpdfembed.PreMadeFontPack t -> t + | Cpdfembed.EmbedInfo {fontfile; fontname; encoding} -> + Cpdfembed.embed_truetype pdf ~fontfile ~fontname ~codepoints ~encoding + | Cpdfembed.ExistingNamedFont -> raise (Pdf.PDFError "Cannot use existing font with -table-of-contents") + in let firstpage = hd (Pdfpage.pages_of_pagetree pdf) in let width, firstpage_papersize, pmaxx, pmaxy, margin = let width, height, xmax, ymax = @@ -88,34 +88,34 @@ let typeset_table_of_contents ~font ~fontsize ~title ~bookmark pdf = | Some r -> Some (Pdf.parse_rectangle pdf r) | None -> None in - let width = + (*let width = match firstpage_cropbox with | Some (xmin, _, xmax, _) -> xmax -. xmin | None -> width - in + in*) let lines = map (fun mark -> let indent = float mark.Pdfmarks.level *. fontsize *. 2. in - let text = of_pdfdocencoding f mark.Pdfmarks.text in - let label = - if mark.Pdfmarks.target = NullDestination then of_pdfdocencoding f "" else + let textruns = of_pdfdocencoding fontpack mark.Pdfmarks.text in + let labelruns = + if mark.Pdfmarks.target = NullDestination then of_pdfdocencoding fontpack "" else let pde = let pnum = Pdfpage.pagenumber_of_target ~fastrefnums pdf mark.Pdfmarks.target in try Pdfpagelabels.pagelabeltext_of_pagenumber pnum labels with Not_found -> string_of_int pnum in - of_pdfdocencoding f pde + of_pdfdocencoding fontpack pde in - let widths = Cpdftype.font_widths f fontsize in - let textgap = width -. margin *. 2. -. indent -. Cpdftype.width_of_string widths label in - let text = shorten_text widths (textgap -. fontsize *. 3.) text in - let space = textgap -. Cpdftype.width_of_string widths text in + (*let widths = Cpdftype.font_widths f fontsize in + let textgap = width -. margin *. 2. -. indent -. Cpdftype.width_of_string widths label in*) + (*let text = shorten_text widths (textgap -. fontsize *. 3.) text in*) (*FIXME add back in, but in unicode not codepoints! *) + let space = 0. (*textgap -. Cpdftype.width_of_string widths text*) in [Cpdftype.BeginDest mark.Pdfmarks.target; - Cpdftype.HGlue indent; - Cpdftype.Text text; - Cpdftype.HGlue space; - Cpdftype.Text label; - Cpdftype.EndDest; + Cpdftype.HGlue indent] + @ textruns @ + [Cpdftype.HGlue space] + @ labelruns @ + [Cpdftype.EndDest; Cpdftype.NewLine]) (Pdfmarks.read_bookmarks pdf) in @@ -126,7 +126,7 @@ let typeset_table_of_contents ~font ~fontsize ~title ~bookmark pdf = flatten (map (fun l -> [Cpdftype.Text l; Cpdftype.NewLine]) - (split_toc_title (of_utf8 f title))) + (split_toc_title (of_utf8 fontpack title))) @ [glue] in let lm, rm, tm, bm = @@ -135,9 +135,11 @@ let typeset_table_of_contents ~font ~fontsize ~title ~bookmark pdf = | Some (cminx, cminy, cmaxx, cmaxy) -> (cminx +. margin, (pmaxx -. cmaxx) +. margin, cminy +. margin, (pmaxy -. cmaxy) +. margin) in - Cpdftype.typeset lm rm tm bm firstpage_papersize pdf - ([Cpdftype.Font (font, bfs); Cpdftype.BeginDocument] @ title @ - [Cpdftype.Font (font, fs)] @ flatten lines) + let firstfont = + hd (keep (function Cpdftype.Font _ -> true | _ -> false) (title @ flatten lines)) (*FIXME when title ok *) + in + Cpdftype.typeset lm rm tm bm firstpage_papersize pdf + ([firstfont; Cpdftype.BeginDocument] @ title @ flatten lines) in let toc_pages = match firstpage_cropbox with