基于半色调技术的图像打印 半色调技术是一种基于点模式的灰度级图像打印方案-Based on the image of the halftone print halftone technology based mode grayscale image printing solutions

在调试绘制位图的程序时，经常需要在代码运行到某一行时知道当前绘制的位图的具体内容，这套代码提供了一套方案，可以让你调试时实时观察到你的位图的内容变化，所见即所得，其中用到了进程间通信的技术-Have you ever debugged a graphics routine where you would really like to see what the images you are working with in memory actually looked like while you