该包中拥有通过不同程序实现多种显示字符串方式，如阴影字体、波浪文字、飞行文字、3D文字效果、文字跑马灯效果等。-The package have through the different program realization that way of string, such as shadow font, waves text, flight text, 3 D text effect, text scrolling effect.