diff options
| author | erouault <erouault> | 2016-08-15 22:01:31 +0000 |
|---|---|---|
| committer | erouault <erouault> | 2016-08-15 22:01:31 +0000 |
| commit | b93faea38b674000aefe18e6df15265ccb146df1 (patch) | |
| tree | 565bfd7aae1ff58f923c7152244ecd4249931172 /tools | |
| parent | 948b174b5c17118c433c65a36f813078ac259c8e (diff) | |
| download | libtiff-b93faea38b674000aefe18e6df15265ccb146df1.tar.gz | |
* tools/tiff2bw.c: fix weight computation that could result of color
value overflow (no security implication). Fix bugzilla #2550.
Patch by Frank Freudenberg.
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/tiff2bw.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/tools/tiff2bw.c b/tools/tiff2bw.c index 7464cf1e..743f455c 100644 --- a/tools/tiff2bw.c +++ b/tools/tiff2bw.c @@ -1,4 +1,4 @@ -/* $Id: tiff2bw.c,v 1.18 2015-06-21 01:09:10 bfriesen Exp $ */ +/* $Id: tiff2bw.c,v 1.19 2016-08-15 22:01:31 erouault Exp $ */ /* * Copyright (c) 1988-1997 Sam Leffler @@ -45,7 +45,7 @@ #define strneq(a,b,n) (strncmp(a,b,n) == 0) /* x% weighting -> fraction of full color */ -#define PCT(x) (((x)*255+127)/100) +#define PCT(x) (((x)*256+50)/100) int RED = PCT(30); /* 30% */ int GREEN = PCT(59); /* 59% */ int BLUE = PCT(11); /* 11% */ |