一个简单的显示位图的程序，包括读入，存放图片。可以修改下主函数中的代码，达到自己显示的目的。运行可以得到图像的高，宽以及像素。-A simple bitmap display procedures, including reading, storing pictures. You can modify the code under the main function, to achieve their display purposes. Images can be running high, wide and pixels.