gdiplus: Avoid a devision by zero when a being added segment length is 0.

This sometimes happens after GdipAddPathLine + GdipWidenPath.

gdiplus: Avoid a devision by zero when a being added segment length is 0.
22a7458a · Dmitry Timoshkov · Alexandre Julliard · 9bcd1cdd · 22a7458a
Commit 22a7458a authored Feb 18, 2013 by Dmitry Timoshkov Committed by Alexandre Julliard Feb 18, 2013
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graphicspath.c dlls/gdiplus/graphicspath.c +7 -0

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--- 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;