Make jbig2 data in recently-added file more spec-compliant
The jbig2 file has the page information segment flag byte set to 0x01,
which among other things means a default combination operator of 0
(OR), and the "direct region segments override default combination
operator" flag set to false.
But the generic region had its flags set to 0x02, meaning an XOR
combination operator. This contradicts the page information segment
and is technically invalid per T.88 (see 7.4.8.5 Page segment flags,
page 90, NOTE 1 at the bottom). Change the generic region flags
byte to 0 (OR) to match the page information segment.
No visual effect for PDFium.
Bug: 432742364
Change-Id: Ibf5771f1ec210aea63a350a970bb74b148e65efb
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/134330
Reviewed-by: Nico Weber <thakis@google.com>
Commit-Queue: Nico Weber <thakis@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
diff --git a/testing/resources/pixel/jbig2_mmr.in b/testing/resources/pixel/jbig2_mmr.in
index 2174356..15f3d01 100644
--- a/testing/resources/pixel/jbig2_mmr.in
+++ b/testing/resources/pixel/jbig2_mmr.in
@@ -49,7 +49,7 @@
0000 0000 3000 0100 0000 1300 0001 8f00
0001 9000 0000 0000 0000 0001 0000 0000
0001 2700 0100 0001 5800 0001 8f00 0001
-9000 0000 0000 0000 0002 01ff ffff ffff
+9000 0000 0000 0000 0000 01ff ffff ffff
ffff ffff fcb7 81c2 218d 9a04 1d07 41e1
d3c3 a0f7 bde1 ef77 ddf0 eddb 8786 e5bd
034a 1b87 b72b b907 841b 7083 6e9b d30d
