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

This sometimes happens after GdipAddPathLine + GdipWidenPath.
2013-02-18 17:32:12 +08:00 · 2013-02-18 17:32:12 +08:00 · 22a7458a3f
parent 9bcd1cdd31
commit 22a7458a3f
1 changed files with 7 additions and 0 deletions
--- 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;