Reduce SDF granularity for better compression.

mapbox · Jun 2, 2014 · c213c12 · c213c12
1 parent f2524ba
commit c213c12
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/distmap.c b/src/distmap.c
@@ -78,7 +78,7 @@ make_distance_map(unsigned char *img,
         if (outside[i] > 255) {
             outside[i] = 255;
         }
-        out[i] = 255 - (unsigned char) outside[i];
+        out[i] = ((255 - (unsigned char) outside[i])/8) * 8;
         //out[i] = (unsigned char) outside[i];
     }