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cpdf-source
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Ready to start removing double-calling

This commit is contained in:
John Whitington 2023-07-07 15:45:30 +01:00
parent 1644c526b1
commit f4f83ceca7
1 changed files with 19 additions and 8 deletions
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27
cpdftruetype.ml
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@ -48,7 +48,10 @@ let debug_t t =
Printf.printf "tounicode:\n";
begin match t.tounicode with
| None -> Printf.printf "None";
| Some table -> iter (fun (k, v) -> Printf.printf "%i --> U+%s\n" k (hex v)) (sort compare (list_of_hashtbl table))
| Some table ->
iter
(fun (k, v) -> Printf.printf "%i --> U+%s\n" k (hex v))
(sort compare (list_of_hashtbl table))
end;
Printf.printf "\n"
@ -271,15 +274,19 @@ let write_glyf_table subset cmap bs mk_b glyfoffset loca =
(fun u ->
try
let locnum = Hashtbl.find cmap u in
if !dbg then Printf.printf "write_glyf_table: Unicode U+%04X is at location number %i\n" u locnum;
if !dbg then Printf.printf "write_glyf_table: Unicode U+%04X is at loc num %i\n" u locnum;
Hashtbl.add locnums locnum ()
with
Not_found -> ())
with
Not_found -> ())
subset;
let locnums = sort compare (map fst (list_of_hashtbl locnums)) in
if !dbg then (Printf.printf "We want glyfs for locations: "; iter (Printf.printf "%i ") locnums; Printf.printf "\n");
if !dbg then
(Printf.printf "We want glyfs for locations: ";
iter (Printf.printf "%i ") locnums; Printf.printf "\n");
let byteranges = map (fun x -> (loca.(x), loca.(x + 1))) locnums in
if !dbg then (Printf.printf "Byte ranges: "; iter (fun (a, b) -> Printf.printf "(%li, %li) " a b) byteranges; Printf.printf "\n");
if !dbg then
(Printf.printf "Byte ranges: ";
iter (fun (a, b) -> Printf.printf "(%li, %li) " a b) byteranges; Printf.printf "\n");
let len = List.fold_left i32add 0l (map (fun (a, b) -> i32sub b a) byteranges) in
let write_bytes bs a l =
if !dbg then Printf.printf "glyf: write_bytes %li %li\n" a l;
@ -415,7 +422,9 @@ let subset_font major minor tables indexToLocFormat subset encoding cmap loca mk
if !dbg then Printf.printf "***Reduced:\n";
Array.iter
(fun (tag, checkSum, offset, ttlength) ->
if !dbg then Printf.printf "tag = %li = %s, offset = %li, length = %li\n" tag (string_of_tag tag) offset ttlength)
if !dbg then
Printf.printf
"tag = %li = %s, offset = %li, length = %li\n" tag (string_of_tag tag) offset ttlength)
newtables;
let bs = make_write_bitstream () in
(* table directory *)
@ -607,7 +616,9 @@ let parse ~subset data encoding =
| (_, _, o, _)::_ -> read_hmtx_table numOfLongHorMetrics (mk_b (i32toi o))
| [] -> raise (Pdf.PDFError "No hmtx table found in TrueType font")
in
let widths_1 = calculate_widths unitsPerEm encoding firstchar_1 lastchar_1 subset_1 !glyphcodes hmtxdata in
let widths_1 =
calculate_widths unitsPerEm encoding firstchar_1 lastchar_1 subset_1 !glyphcodes hmtxdata
in
let widths_2 =
map3
(fun f l s -> calculate_width_higher unitsPerEm f l s !glyphcodes hmtxdata)