Fixed bug in Write1BitPixelData that wrote too many bits to the byte

3 years ago · b29cd27c10
1 changed files with 1 additions and 1 deletions
--- a/src/ImageSharp/Formats/Bmp/BmpEncoderCore.cs
+++ b/src/ImageSharp/Formats/Bmp/BmpEncoderCore.cs
@ -668,7 +668,7 @@ internal sealed class BmpEncoderCore : IImageEncoderInternals

            if (quantizedPixelRow.Length % 8 != 0)
            {
-                int startIdx = quantizedPixelRow.Length - 7;
+                int startIdx = quantizedPixelRow.Length - (quantizedPixelRow.Length % 8);
                endIdx = quantizedPixelRow.Length;
                Write1BitPalette(stream, startIdx, endIdx, quantizedPixelRow);
            }