图像缩放（三次）
................\Debug
................\lena.raw
................\readwrite.h
................\sfsan.cpp
................\ZoomResult3.raw
................\ZoomResult4.raw
................\ZoomResult缩小.raw
................\图像带白点.raw
................\图像缩放（三次）.dsp
................\图像缩放（三次）.dsw
................\图像缩放（三次）.ncb
................\图像缩放（三次）.opt
................\图像缩放（三次）.plg
................\缩放结果1（三次）.raw
................\缩放结果（三次）.raw