CVT              2333 3rdparty/libtiff/tif_getimage.c     r[i] = CVT(r[i]);
CVT              2334 3rdparty/libtiff/tif_getimage.c     g[i] = CVT(g[i]);
CVT              2335 3rdparty/libtiff/tif_getimage.c     b[i] = CVT(b[i]);