From acc2bd2cc2c21ec8dee1f72072666a547636abce Mon Sep 17 00:00:00 2001
From: Hermet Park <chuneon.park@samsung.com>
Date: Fri, 28 Aug 2020 11:28:59 +0900
Subject: [PATCH] sw_engine: + exceptional handling for safety

---
 src/lib/sw_engine/tvgSwShape.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/lib/sw_engine/tvgSwShape.cpp b/src/lib/sw_engine/tvgSwShape.cpp
index d0a8f96d..d2687de9 100644
--- a/src/lib/sw_engine/tvgSwShape.cpp
+++ b/src/lib/sw_engine/tvgSwShape.cpp
@@ -344,6 +344,7 @@ SwOutline* _genDashOutline(const Shape* sdata, const Matrix* transform)
 
     const float* pattern;
     dash.cnt = sdata->strokeDash(&pattern);
+    if (dash.cnt == 0) return nullptr;
 
     //Is it safe to mutual exclusive?
     dash.pattern = const_cast<float*>(pattern);