Fixing segfault for near-zero-sized ellipses

12 years ago · a7a0f92e58
parent 87563c6638
commit a7a0f92e58
1 changed files with 4 additions and 2 deletions
--- a/modules/core/src/drawing.cpp
+++ b/modules/core/src/drawing.cpp
@ -890,8 +890,10 @@ void ellipse2Poly( Point center, Size axes, int angle,
            pts.push_back(pt);
    }

-    if( pts.size() < 2 )
-        pts.push_back(pts[0]);
+    // If there are no points, it's a zero-size polygon
+    if( pts.size() < 2) {
+        pts.assign(2,center);
+    }
 }