String height ext

Example
var sep = 10, width = room_width/2; var strh = string_height_ext(longstring,sep,width); draw_set_color(c_white); draw_rectangle(0, room_height/2-strh/2,  string_width_ext(longstring,sep,width), room_height/2+strh/2, false); draw_set_color(c_black); draw_text_ext(0, room_height/2-strh/2, longstring, sep, width);