Use BABL method for 16-to-8 bit conversion (#3429)

2016-09-22 21:52:07 +02:00
parent 7635559062
commit 759676788b
6 changed files with 30 additions and 26 deletions
--- a/rtengine/image8.cc
+++ b/rtengine/image8.cc
@@ -74,7 +74,7 @@ void Image8::setScanline (int row, unsigned char* buffer, int bps, float *minVal
        unsigned short* sbuffer = (unsigned short*) buffer;

        for (int i = 0, ix = row * width * 3; i < width * 3; ++i, ++ix) {
-            data[ix] = (sbuffer[i] + 128) / 257;
+            data[ix] = uint16ToUint8Rounded(sbuffer[i]);
        }

        break;