MFC 读取BMP图像信息，然后进行二维DCT变换，再量化，Z字型扫描，实现BMP到JPEG的转换-the encoding and decoding of JPEG and the specific realization of program on vc++ platform. The encoding part of this program can encode a picture whose format is BMP and save relevant data as binary

Z字形编码的vc++代码，已经运行过,能用-zigzag encoding based on VC++