caller.clj

  ([^Screen screen x y ^String s {:as opts
                                  :keys [fg bg styles]
                                  :or {fg :default
                                       bg :default
                                       styles #{}}}]
   (let [styles ^clojure.lang.PersistentHashSet (set (map c/styles styles))
         x (int x)
         y (int y)
         fg ^com.googlecode.lanterna.terminal.Terminal$Color (c/colors fg)
         bg ^com.googlecode.lanterna.terminal.Terminal$Color (c/colors bg)]
     (.putString screen x y s fg bg styles))))

calling.java

    public void putString(int x, int y, String string, Terminal.Color foregroundColor,
            Terminal.Color backgroundColor, ScreenCharacterStyle... styles)