diff options
| author | Egbert Eich <eich@suse.de> | 2005-04-11 09:33:43 +0000 |
|---|---|---|
| committer | Egbert Eich <eich@suse.de> | 2005-04-11 09:33:43 +0000 |
| commit | adac7011965ed75ea399b93dae917cb48180c77a (patch) | |
| tree | bb5d15e1bcc843e2da8e65407fe46525c71eb12a | |
| parent | 5e2080ef93a598c6d68e1b2f446f251ab025b702 (diff) | |
Preventing hight for drawing from becoming negative when face->dy < 0. The
height value is used in miFillPolyHelper() to calculate the size of
memory to be allocated. A negative value will lead to a crash (Bugzilla
#2690, Keith Packard, Egbert Eich).
| -rw-r--r-- | mi/miwideline.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/mi/miwideline.c b/mi/miwideline.c index 8888ca8bd..20bef031b 100644 --- a/mi/miwideline.c +++ b/mi/miwideline.c @@ -1168,6 +1168,10 @@ miLineProjectingCap (pDrawable, pGC, pixel, spanData, face, isLeft, xorg, yorg, } else if (dx == 0) { + if (dy < 0) { + dy = -dy; + isLeft = !isLeft; + } topy = yorgi; bottomy = yorgi + dy; if (isLeft) |