含有七个函数，读写Jpeg，GIFBMP。可自动识别JPGGIFBMP；可保存JPG；可控制JPG的读写速度、质量；可读取动画GIF的任意帧；标准参数调用，可用于其他程序语言；占极少的内存！（修正了1.0版中的BUG）-containing seven functions, read and write Jpeg, GIFBMP. Automatic identification JPGGIFBMP; Kept JPG; JPG control the read and write speed, quality; GIF animation can be read arbitrary frame; standard parameters call, to be used in other programming languages; for minimal memory! (Amended version 1.0 of Bug)