kVToG             132 ext/gd/libgd/webpimg.c static int32_t kVToG[256], kUToG[256];
kVToG             140 ext/gd/libgd/webpimg.c     kVToG[i] = -45773 * (i - 128);
kVToG             153 ext/gd/libgd/webpimg.c   const int g_off = (kVToG[v] + kUToG[u]) >> RGB_FRAC;