通过忽略精度 有24位bmp转为16位img压缩图片 ，生成的图片在嵌入式环境内读取速度很快，相应的文件查看软件请下载ImgViewer-Through neglect precision 24-bit bmp into 16 img compressed picture, the picture generated in the embedded environment to read fast, the appropriate file to view software download