ofz#33769 Integer-overflow

Change-Id: I067db0452650cf3e8bc887abac74c4ff796d4ad2
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/114768
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>

1 files changed, 4 insertions, 4 deletions

diff --git a/tools/source/generic/poly.cxx b/tools/source/generic/poly.cxx
index e482528b9ab1..05d35f7d1385 100644
--- a/tools/source/generic/poly.cxx
+++ b/tools/source/generic/poly.cxx
@@ -227,14 +227,14 @@ ImplPolygon::ImplPolygon( const Point& rCenter, tools::Long nRadX, tools::Long n
 ImplPolygon::ImplPolygon( const tools::Rectangle& rBound, const Point& rStart, const Point& rEnd,
     PolyStyle eStyle )
 {
-    const tools::Long  nWidth = rBound.GetWidth();
-    const tools::Long  nHeight = rBound.GetHeight();
+    const auto nWidth = rBound.GetWidth();
+    const auto nHeight = rBound.GetHeight();
 
     if( ( nWidth > 1 ) && ( nHeight > 1 ) )
     {
         const Point aCenter( rBound.Center() );
-        const tools::Long  nRadX = aCenter.X() - rBound.Left();
-        const tools::Long  nRadY = aCenter.Y() - rBound.Top();
+        const auto nRadX = o3tl::saturating_sub(aCenter.X(), rBound.Left());
+        const auto nRadY = o3tl::saturating_sub(aCenter.Y(), rBound.Top());
         sal_uInt16  nPoints;
 
         tools::Long nRadXY;