Fix rounding error in pixel down conversion
Simple shifting can give noticable rounding errors if there is a large
difference in the number of bits between the formats. Do the proper
thing via a lookup table, the same way things are done for up conversion.
diff --git a/common/rfb/PixelFormat.h b/common/rfb/PixelFormat.h
index 8d67f8a..5b4b633 100644
--- a/common/rfb/PixelFormat.h
+++ b/common/rfb/PixelFormat.h
@@ -137,6 +137,7 @@
bool endianMismatch;
static rdr::U8 upconvTable[256*8];
+ static rdr::U8 downconvTable[256*8];
class Init;
friend class Init;