根据用户输入的参数，进行图像的绘制，同时把图像打印出来，配置参数可以另存为文件，可以保存、修改。图像可以保存成各种图片文件。可以扩展成矢量图的打印。-Based on user input parameters, image rendering, at the same time to print out images, configuration parameters can be saved as a file, you can save, modify. Images can be saved into various picture file. Vector can be extended into print.