Update src/ImageSharp/Processing/Processors/Quantization/DefaultPixelSamplingStrategy.cs

Co-authored-by: Günther Foidl <gue@korporal.at>
4 years ago · 45a7b8b0d9
1 changed files with 2 additions and 1 deletions
--- a/src/ImageSharp/Processing/Processors/Quantization/DefaultPixelSamplingStrategy.cs
+++ b/src/ImageSharp/Processing/Processors/Quantization/DefaultPixelSamplingStrategy.cs
@ -137,7 +137,8 @@ public class DefaultPixelSamplingStrategy : IPixelSamplingStrategy

            for (int pos = 0; pos < totalNumberOfRows; pos++)
            {
-                int subPos = pos % denom;
+                Debug.Assert(denom > 0);
+                int subPos = (int)((uint)pos % (uint)denom);
                if (subPos < num)
                {
                    yield return GetRow(pos);