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cpdf-source
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This commit is contained in:
John Whitington 2023-03-19 19:58:15 +00:00
parent 17aa6d960f
commit 2d512cc8ed
1 changed files with 7 additions and 2 deletions
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9
cpdfpng.ml
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@ -47,7 +47,7 @@ let write_crc o ctype cdata =
o.output_byte d
let write_chunk o ctype data =
for x = 0 to 4 do o.output_byte (int_of_char ctype.[x]) done;
for x = 0 to 3 do o.output_byte (int_of_char ctype.[x]) done;
o.output_string (Bytes.unsafe_to_string data);
write_crc o ctype (Bytes.unsafe_to_string data)
@ -137,6 +137,11 @@ let read_png i =
with
_ -> ()
end;
{width = i32toi width; height = i32toi height; idat = concat_bytes (rev !idat)}
let r =
{width = i32toi width; height = i32toi height; idat = concat_bytes (rev !idat)}
in
let ch = open_out_bin "out.png" in
write_png r (Pdfio.output_of_channel ch);
r
with
e -> raise (Pdf.PDFError (Printf.sprintf "read_png: failed on %s" (Printexc.to_string e)))