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John Whitington
2022-10-06 18:54:35 +01:00
parent af2d74a86b
commit 06407399bb
1 changed files with 5 additions and 5 deletions
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10
cpdftruetype.ml
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@ -24,7 +24,7 @@ type t =
subset : Pdfio.bytes;
tounicode : Pdfio.bytes option}
let dbg = ref true (* text-based debug *)
let dbg = ref false (* text-based debug *)
let tounicode_preamble =
"/CIDInit /ProcSet findresource begin\n\
@ -222,7 +222,6 @@ let write_glyf_table subset cmap bs mk_b glyfoffset loca =
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");
let len = List.fold_left i32add 0l (map (fun (a, b) -> i32sub b a) byteranges) in
Printf.printf "THE LENGTH is %li\n" len;
let write_bytes bs a l =
if !dbg then Printf.printf "glyf: write_bytes %li %li\n" a l;
let b = mk_b (i32toi (i32add glyfoffset a)) in
@ -230,7 +229,6 @@ let write_glyf_table subset cmap bs mk_b glyfoffset loca =
in
iter (fun (a, b) -> write_bytes bs a (i32sub b a)) byteranges;
let padding = 4 - i32toi len mod 4 in
Printf.printf "padding = %i bytes\n" padding;
for x = 1 to padding do putval bs 8 0l done
let read_os2_table unitsPerEm b blength =
@ -309,6 +307,9 @@ let calculate_widths unitsPerEm encoding firstchar lastchar subset cmapdata hmtx
let calculate_maxwidth unitsPerEm hmtxdata =
pdf_unit unitsPerEm (hd (sort (fun a b -> compare b a) (Array.to_list hmtxdata)))
let padword n =
i32ofi (4 - i32toi n mod 4 + i32toi n)
let remove_unneeded_tables major minor tables indexToLocFormat subset encoding cmap loca mk_b glyfoffset data =
let tables = Array.of_list (sort (fun (_, _, o, _) (_, _, o', _) -> compare o o') tables) in
let tablesout = ref [] in
@ -334,7 +335,7 @@ let remove_unneeded_tables major minor tables indexToLocFormat subset encoding c
let bs = make_write_bitstream () in
write_glyf_table subset cmap bs mk_b glyfoffset loca;
let newlen = i32ofi (bytes_size (bytes_of_write_bitstream bs)) in
glyf_table_size_reduction := i32sub ttlength newlen;
glyf_table_size_reduction := i32sub (padword ttlength) newlen;
newlen
else ttlength
in
@ -346,7 +347,6 @@ let remove_unneeded_tables major minor tables indexToLocFormat subset encoding c
(tag, checksum, offset', ttlength))
(rev !tablesout))
in
Printf.printf "glyf_table_size_reduction = %li\n" !glyf_table_size_reduction;
if !dbg then Printf.printf "***Reduced:\n";
Array.iter
(fun (tag, checkSum, offset, ttlength) ->