int r = (int)(lua_tonumber(L,-1) * 255); lua_pop(L,1); lua_getfield(L,-1,"g"); if (!lua_isnumber(L,-1)) { printf("Invalid component in background color.\n"); return; } int g = (int)(lua_tonumber(L,-1) * 255); lua_pop(L,1); lua_pushnumber(L,0.4); lua_...
www.dbjr.com.cn/article/652...htm 2025-6-7