Fabian Maurer : gdiplus: Avoid division by zero in SOFTWARE_GdipDrawThinPath.

[Alexandre Julliard]

Module: wine
Branch: stable
Commit: 1e211e9d4f4f2a7a925de688dd9003466ba07624
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=1e211e9d4f4f2a7a925de688d...

Author: Fabian Maurer 
Date:   Tue Jul 25 00:50:09 2017 +0200

gdiplus: Avoid division by zero in SOFTWARE_GdipDrawThinPath.

Signed-off-by: Fabian Maurer 
Signed-off-by: Vincent Povirk 
Signed-off-by: Alexandre Julliard 
(cherry picked from commit 400cfb0fd9d0f25316b680882fce938d2f0724b7)
Signed-off-by: Michael Stefaniuc

---

dlls/gdiplus/graphics.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/dlls/gdiplus/graphics.c b/dlls/gdiplus/graphics.c
index bd37d92..6465b26 100644
--- a/dlls/gdiplus/graphics.c
+++ b/dlls/gdiplus/graphics.c
@@ -3593,6 +3593,9 @@ static GpStatus SOFTWARE_GdipDrawThinPath(GpGraphics *graphics, GpPen *pen, GpPa
                 end_pointi.X = floorf(end_point.X);
                 end_pointi.Y = floorf(end_point.Y);

+                if(start_pointi.X == end_pointi.X && start_pointi.Y == end_pointi.Y)
+                    continue;
+
                 /* draw line segment */
                 if (abs(start_pointi.Y - end_pointi.Y) > abs(start_pointi.X - end_pointi.X))
                 {