coverity#1222234 Division or modulo by zero

Change-Id: I2832f99c1b4117d1c6d4621f25339e5921d26cb1

1 files changed, 8 insertions, 4 deletions

diff --git a/vcl/source/bitmap/bitmapscalesuper.cxx b/vcl/source/bitmap/bitmapscalesuper.cxx
index 4d81c99c3acf..4620c552286b 100644
--- a/vcl/source/bitmap/bitmapscalesuper.cxx
+++ b/vcl/source/bitmap/bitmapscalesuper.cxx
@@ -867,11 +867,15 @@ void scaleNonPalleteGeneral2(BitmapReadAccess* pAcc, BitmapWriteAccess* pWAcc,
                 nTotalWeightY += nWeightY;
             }
 
-            BitmapColor aColRes( ( sal_uInt8 ) (( nSumR / nTotalWeightY) ),
-                    ( sal_uInt8 ) (( nSumG / nTotalWeightY) ),
-                    ( sal_uInt8 ) (( nSumB / nTotalWeightY) ));
-            pWAcc->SetPixel( nYDst, nXDst++, aColRes );
+            if (nTotalWeightY)
+            {
+                nSumR /= nTotalWeightY;
+                nSumG /= nTotalWeightY;
+                nSumB /= nTotalWeightY;
+            }
 
+            BitmapColor aColRes((sal_uInt8)nSumR, (sal_uInt8)nSumR, (sal_uInt8)nSumB);
+            pWAcc->SetPixel( nYDst, nXDst++, aColRes );
         }
     }
 }