diff options
Diffstat (limited to 'src/simple-scan.vala')
| -rw-r--r-- | src/simple-scan.vala | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/src/simple-scan.vala b/src/simple-scan.vala index 5ae73ab..813f29b 100644 --- a/src/simple-scan.vala +++ b/src/simple-scan.vala @@ -466,8 +466,8 @@ public class SimpleScan : Gtk.Application var line_number = 0; var xref_offset = 0; var xref_line = -1; - var xref_regex = new Regex ("^\\d\\d\\d\\d\\d\\d\\d\\d\\d\\d 0000 n$", RegexCompileFlags.RAW); - MatchInfo xref_match; + var startxref_line = -1; + var fixed_size = -1; var line = new StringBuilder (); while (offset < data.length) { @@ -483,6 +483,9 @@ public class SimpleScan : Gtk.Application } if (line.str == "startxref\n") + startxref_line = line_number; + + if (line.str == "xref\n") xref_line = line_number; /* Fix PDF header and binary comment */ @@ -492,16 +495,27 @@ public class SimpleScan : Gtk.Application fixed_file.printf ("%s", line.str.substring (1)); } + /* Fix xref subsection count */ + else if (line_number == xref_line + 1 && line.str.has_prefix ("1 ")) + { + fixed_size = int.parse (line.str.substring (2)) + 1; + fixed_file.printf ("0 %d\n", fixed_size); + fixed_file.printf ("0000000000 65535 f \n"); + } + /* Fix xref format */ - else if (xref_regex.match (line.str, 0, out xref_match)) - fixed_file.printf ("%010d 00000 n \n", int.parse (xref_match.get_string ()) + xref_offset); + else if (line_number > xref_line && line.str.has_suffix (" 0000 n\n")) + fixed_file.printf ("%010d 00000 n \n", int.parse (line.str) + xref_offset); /* Fix xref offset */ - else if (xref_line > 0 && line_number == xref_line + 1) + else if (startxref_line > 0 && line_number == startxref_line + 1) fixed_file.printf ("%d\n".printf (int.parse (line.str) + xref_offset)); + else if (fixed_size > 0 && line.str.has_prefix ("/Size ")) + fixed_file.printf ("/Size %d\n".printf (fixed_size)); + /* Fix EOF marker */ - else if (line_number == xref_line + 2 && line.str.has_prefix ("%%%%")) + else if (line_number == startxref_line + 2 && line.str.has_prefix ("%%%%")) fixed_file.printf ("%s", line.str.substring (2)); else |