sergiotarxz/libvips
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

don't invert signed ints in tiffload

Browse Source
This commit is contained in:
John Cupitt 2019-08-07 17:08:18 +01:00
parent 7250b169d4
commit 7abe129ac4
2 changed files with 6 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

BIN
fuzz/thumbnail_fuzzer_corpus/clusterfuzz-testcase-minimized-thumbnail_fuzzer-5718717719117824 Normal file
View File

Binary file not shown.

7
libvips/foreign/tiff2vips.c
View File

@ -938,7 +938,12 @@ rtiff_greyscale_line( Rtiff *rtiff,
int photometric_interpretation = int photometric_interpretation =
rtiff->header.photometric_interpretation; rtiff->header.photometric_interpretation;
VipsBandFormat format = rtiff_guess_format( rtiff ); VipsBandFormat format = rtiff_guess_format( rtiff );
gboolean invert = photometric_interpretation == PHOTOMETRIC_MINISWHITE;
/* Swapping black and white doesn't work for the signed formats.
*/
gboolean invert =
photometric_interpretation == PHOTOMETRIC_MINISWHITE &&
vips_band_format_isuint( format );
int x, i; int x, i;