Dmitry Timoshkov : gdiplus: Avoid a devision by zero when a being added segment length is 0.
Alexandre Julliard
julliard at winehq.org
Mon Feb 18 13:27:05 CST 2013
Module: wine
Branch: master
Commit: 22a7458a3f5fdd060bc6ae9c26e5b98adcd6bc44
URL: http://source.winehq.org/git/wine.git/?a=commit;h=22a7458a3f5fdd060bc6ae9c26e5b98adcd6bc44
Author: Dmitry Timoshkov <dmitry at baikal.ru>
Date: Mon Feb 18 17:32:12 2013 +0800
gdiplus: Avoid a devision by zero when a being added segment length is 0.
This sometimes happens after GdipAddPathLine + GdipWidenPath.
---
dlls/gdiplus/graphicspath.c | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/dlls/gdiplus/graphicspath.c b/dlls/gdiplus/graphicspath.c
index 1fbebba..f4d1a4b 100644
--- a/dlls/gdiplus/graphicspath.c
+++ b/dlls/gdiplus/graphicspath.c
@@ -1702,6 +1702,13 @@ static void add_bevel_point(const GpPointF *endpoint, const GpPointF *nextpoint,
REAL distance = pen->width/2.0;
REAL bevel_dx, bevel_dy;
+ if (segment_length == 0.0)
+ {
+ *last_point = add_path_list_node(*last_point, endpoint->X,
+ endpoint->Y, PathPointTypeLine);
+ return;
+ }
+
if (right_side)
{
bevel_dx = -distance * segment_dy / segment_length;
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