Searched refs:isgray (Results 1 – 3 of 3) sorted by relevance
89 #define isgray(x) /* neither white nor black */ \ macro
149 lua_assert(!isgray(o)); /* cannot be in a gray list */ in linkgclist_()379 lua_assert(upisopen(uv) && isgray(uv)); in remarkupvals()1146 lua_assert(isgray(curr)); in correctgraylist()1152 lua_assert(isgray(curr)); in correctgraylist()
7917 int isgray; in image_transform_png_set_rgb_to_gray_mod() local7956 isgray = r==g && g==b; in image_transform_png_set_rgb_to_gray_mod()8050 if (isgray) in image_transform_png_set_rgb_to_gray_mod()