From 72ee1c4343c9aeb039c053bcb5f3e48bc5abf10f Mon Sep 17 00:00:00 2001
From: Hermet Park <chuneon.park@samsung.com>
Date: Thu, 25 Nov 2021 15:04:56 +0900
Subject: [PATCH] sw_engien renderer: ++safety

+exceptional handling for the drawing region.
---
 src/lib/sw_engine/tvgSwRenderer.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/lib/sw_engine/tvgSwRenderer.cpp b/src/lib/sw_engine/tvgSwRenderer.cpp
index 61c9156e..70c7768c 100644
--- a/src/lib/sw_engine/tvgSwRenderer.cpp
+++ b/src/lib/sw_engine/tvgSwRenderer.cpp
@@ -53,6 +53,8 @@ struct SwTask : Task
         region.y = bbox.min.y > 0 ? bbox.min.y : 0;
         region.w = bbox.max.x - region.x;
         region.h = bbox.max.y - region.y;
+        if (region.w < 0) region.w = 0;
+        if (region.h < 0) region.h = 0;
 
         return region;
     }