coverity#1222232 Division or modulo by zero

Change-Id: I4a3921df8e6510a37702ae8bd4856ba43c98213a

coverity#1222232 Division or modulo by zero
Change-Id: I4a3921df8e6510a37702ae8bd4856ba43c98213a
da62285f · Caolán McNamara · aaaf2432 · da62285f
Kaydet (Commit) da62285f authored Haz 10, 2014 tarafından Caolán McNamara
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Showing with 8 additions and 3 deletions

bitmapscalesuper.cxx vcl/source/bitmap/bitmapscalesuper.cxx +8 -3

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--- a/vcl/source/bitmap/bitmapscalesuper.cxx
+++ b/vcl/source/bitmap/bitmapscalesuper.cxx
@@ -502,9 +502,14 @@ void scalePalleteGeneral2(BitmapReadAccess* pAcc, BitmapWriteAccess* pWAcc,
                nTotalWeightY += nWeightY;
            }

-            BitmapColor aColRes( ( sal_uInt8 ) (( nSumR / nTotalWeightY ) ),
-                    ( sal_uInt8 ) (( nSumG / nTotalWeightY) ),
-                    ( sal_uInt8 ) (( nSumB / nTotalWeightY) ));
+            if (nTotalWeightY)
+            {
+                nSumR /= nTotalWeightY;
+                nSumG /= nTotalWeightY;
+                nSumB /= nTotalWeightY;
+            }
+
+            BitmapColor aColRes((sal_uInt8)nSumR, (sal_uInt8)nSumG, (sal_uInt8)nSumB);
            pWAcc->SetPixel( nYDst, nXDst++, aColRes );
        }
    }