diff --git a/cpdfdraw.ml b/cpdfdraw.ml index 1cdd031..3942267 100644 --- a/cpdfdraw.ml +++ b/cpdfdraw.ml @@ -80,7 +80,8 @@ type res = form_xobjects : (string, (string * int)) Hashtbl.t; (* (name, (pdf name, objnum)) *) mutable page_names : string list; mutable time : Cpdfstrftime.t; - mutable current_fontpack : Cpdfembed.cpdffont; + mutable current_fontpack : Cpdfembed.t; + mutable font_size : float; mutable num : int} let empty_res () = @@ -91,9 +92,9 @@ let empty_res () = page_names = []; time = Cpdfstrftime.dummy; current_fontpack = - Cpdfembed.PreMadeFontPack - (Cpdfembed.fontpack_of_standardfont - (Pdftext.StandardFont (Pdftext.TimesRoman, Pdftext.WinAnsiEncoding))); + (Cpdfembed.fontpack_of_standardfont + (Pdftext.StandardFont (Pdftext.TimesRoman, Pdftext.WinAnsiEncoding))); + font_size = 12.; num = 0} let resstack = @@ -135,12 +136,16 @@ let process_specials pdf endpage filename bates batespad num page s = in Cpdfaddtext.process_text (res ()).time s pairs -let charcodes_of_utf8 s = +(* FIXME: implement for other kinds of font *) +let runs_of_utf8 s = match (res ()).current_fontpack with - | PreMadeFontPack fontpack -> + | ((f::_, _) as fontpack) -> let codepoints = Pdftext.codepoints_of_utf8 s in let charcodes = option_map (Cpdfembed.get_char fontpack) codepoints in - implode (map (fun (c, _, _) -> char_of_int c) charcodes) + let fontname = + fst (Hashtbl.find (res ()).fonts f) + in + [Pdfops.Op_Tf (fontname, (res ()).font_size); Pdfops.Op_Tj (implode (map (fun (c, _, _) -> char_of_int c) charcodes))] | _ -> failwith "charcodes_of_utf8: unknown font" let extgstate kind v = @@ -229,28 +234,33 @@ let rec ops_of_drawop pdf endpage filename bates batespad num page = function | NewPage -> Pdfe.log ("NewPage remaining in graphic stream"); assert false | Opacity v -> [Pdfops.Op_gs (extgstate "/ca" v)] | SOpacity v -> [Pdfops.Op_gs (extgstate "/CA" v)] - | Font (fontpack, size) -> - let font = - match fontpack with - | PreMadeFontPack (f::_, _) -> f - | _ -> failwith "-font-ttf not impl" + | Font (cpdffont, size) -> + let fontpack = + match cpdffont with + | PreMadeFontPack fp -> fp + | EmbedInfo {fontfile; fontname; encoding} -> + Cpdfembed.embed_truetype pdf ~fontfile ~fontname ~codepoints:[int_of_char 'a'] ~encoding + | ExistingNamedFont -> + error "-draw does not support using an exsiting named font" in - let (n, _) = - try Hashtbl.find (res ()).fonts font with - Not_found -> - let o = Pdftext.write_font pdf font in - let n = fresh_name "/F" in - Hashtbl.add (res ()).fonts font (n, o); - (n, o) + let ns = + map + (fun font -> + try fst (Hashtbl.find (res ()).fonts font) with + Not_found -> + let o = Pdftext.write_font pdf font in + let n = fresh_name "/F" in + Hashtbl.add (res ()).fonts font (n, o); + n) + (fst fontpack) in (res ()).current_fontpack <- fontpack; - (res ()).page_names <- n::(res ()).page_names; - [Pdfops.Op_Tf (n, size)] + (res ()).page_names <- ns @ (res ()).page_names; + (res ()).font_size <- size; + [] | TextSection ops -> [Pdfops.Op_BT] @ ops_of_drawops pdf endpage filename bates batespad num page ops @ [Pdfops.Op_ET] - | Text s -> [Pdfops.Op_Tj (charcodes_of_utf8 s)] - | SpecialText s -> - let s = process_specials pdf endpage filename bates batespad num page s in - [Pdfops.Op_Tj (charcodes_of_utf8 s)] + | Text s -> runs_of_utf8 s + | SpecialText s -> runs_of_utf8 (process_specials pdf endpage filename bates batespad num page s) | Leading f -> [Pdfops.Op_TL f] | CharSpace f -> [Pdfops.Op_Tc f] | WordSpace f -> [Pdfops.Op_Tw f]