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-add-text/TTF fonts added to file

This commit is contained in:
John Whitington 2023-07-18 15:03:15 +01:00
parent 291c5391c3
commit 89908a5816
1 changed files with 26 additions and 15 deletions
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41
cpdfaddtext.ml
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@ -50,7 +50,7 @@ let colour_op_stroke = function
| Grey g -> Pdfops.Op_G g
| CYMK (c, y, m, k) -> Pdfops.Op_K (c, y, m, k)
let ops fontname longest_w x y rotate hoffset voffset outline linewidth unique_fontname unique_extgstatename colour fontsize text =
let ops fontpack fontname longest_w x y rotate hoffset voffset outline linewidth unique_fontname unique_extgstatename colour fontsize text =
[Pdfops.Op_q;
Pdfops.Op_BMC "/CPDFSTAMP";
Pdfops.Op_cm
@ -302,8 +302,7 @@ let addtext
let ops, urls, x, y, hoffset, voffset, text, joffset =
let text = process_text time text (replace_pairs pdf endpage extract_text_font_size filename bates batespad num page) in
let text, urls = get_urls_line text in
(* FIXME Here we need to get (font, fontnum, charcode) triples if we have a fontpack, or fake if not. *)
let lines = map (fun text -> if raw then text else charcodes_of_utf8 (Pdftext.read_font pdf fontpdfobj) text) lines in
let lines = map (fun text -> if raw || fontpack <> None then text else charcodes_of_utf8 (Pdftext.read_font pdf fontpdfobj) text) lines in
let expanded_lines = expand_lines text time pdf endpage extract_text_font_size filename bates batespad num page lines in
let textwidth = calc_textwidth text
and allwidths = map calc_textwidth expanded_lines in
@ -323,30 +322,42 @@ let addtext
then -. (cos ((pi /. 2.) -. rotate) *. voffset), sin ((pi /. 2.) -. rotate) *. voffset
else hoffset, voffset
in
(* FIXME Here we need to pass the fontpack if available to the ops function. Can the ops function do all it needs just with this? *)
match font with
| Some f ->
ops fontname longest_w (x +. shift_x) (y +. shift_y) rotate (hoffset +. joffset) voffset outline linewidth
ops fontpack fontname longest_w (x +. shift_x) (y +. shift_y) rotate (hoffset +. joffset) voffset outline linewidth
unique_fontname unique_extgstatename colour fontsize text,
urls, x, y, hoffset, voffset, text, joffset
| None ->
ops fontname longest_w (x +. shift_x) (y +. shift_y) rotate (hoffset +. joffset) voffset outline linewidth
ops fontpack fontname longest_w (x +. shift_x) (y +. shift_y) rotate (hoffset +. joffset) voffset outline linewidth
fontname None colour fontsize text,
urls, x, y, hoffset, voffset, text, joffset
in
let newresources =
match font with
| Some (Pdftext.StandardFont _ as font) ->
match fontpack with
| Some fontpack ->
let newfontdict =
Pdf.add_dict_entry fontdict unique_fontname (Pdf.Indirect (Pdftext.write_font pdf font))
let fd = ref fontdict in
iter
(fun i ->
(* FIXME make properly unique *)
fd := Pdf.add_dict_entry !fd ("/F" ^ fontname ^ string_of_int i) (Pdf.Indirect i))
fontpackpdfobjs;
!fd
in
Pdf.add_dict_entry resources' "/Font" newfontdict
| Some f ->
let newfontdict =
Pdf.add_dict_entry fontdict unique_fontname fontpdfobj
in
Pdf.add_dict_entry resources' "/Font" newfontdict
| None -> page.Pdfpage.resources
| None ->
match font with
| Some (Pdftext.StandardFont _ as font) ->
let newfontdict =
Pdf.add_dict_entry fontdict unique_fontname (Pdf.Indirect (Pdftext.write_font pdf font))
in
Pdf.add_dict_entry resources' "/Font" newfontdict
| Some f ->
let newfontdict =
Pdf.add_dict_entry fontdict unique_fontname fontpdfobj
in
Pdf.add_dict_entry resources' "/Font" newfontdict
| None -> page.Pdfpage.resources
in
(* Build annotations from URL data (get_urls and some sense of metrics) *)
let annot (minx, miny, maxx, maxy) url =