运用netbean环境，java语言，基于OPenGl的图像开发程序。实现图形的裁剪功能。-Netbean use of the environment, java language, based on the image development process OPenGl. Cutting function graphics implementation.

运用netbean，基于java语言，bresenham算法，DDA算法画直线的比较-The use of netbean, based on the java language, bresenham algorithm, DDA draw a straight line algorithms comparison