能够轻松的抓取屏幕上的图片，灵活处理所获取的图片并且实现自由简便的黏贴功能。-Easily be able to crawl on the screen of the picture, flexible access to treatment by the picture and realize simple adhesive function freely.

绘制像素点函数:在屏幕的P0（20,20）坐标位置处绘制一个绿色像素点，然后读出该像素点的颜色，水平平移100个像素绘制P1点。(The pixel function is plotted: a green pixel is drawn at the P0 (20,20) coordinates of the screen, and then the color of the pixel is read out. 100 pixels are horizontally shifted to dr