diff --git a/PluginCommon/VisBitmap8.cs b/PluginCommon/VisBitmap8.cs
index ca738ef..61afd4d 100644
--- a/PluginCommon/VisBitmap8.cs
+++ b/PluginCommon/VisBitmap8.cs
@@ -55,13 +55,15 @@ namespace PluginCommon {
             mNextColorIdx = 0;
         }
 
-        // TODO: add GetPixelIndex, which returns the index we passed into SetPixelIndex
-
         public int GetPixel(int x, int y) {
             byte pix = mData[x + y * Width];
             return mPalette[pix];
         }
 
+        public byte GetPixelIndex(int x, int y) {
+            return mData[x + y * Width];
+        }
+
         /// <summary>
         /// Sets the color for a single pixel.
         /// </summary>