利用java自身提供的方法来实现对图象的缩放处理,程序小只有2k,但是处理后的效果不好,不能满足高质量的缩放需求!-use for their own methods to achieve the right image scaling with the procedure only 2k small, but after the results are not satisfactory and could not meet demand for high-quality zoom!

ZXing是一个开源Java类库用于解析多种格式的1D/2D条形码。目标是能够对QR编码、Data Matrix、UPC的1D条形码进行解码。 其提供了多种平台下的客户端包括：J2ME、J2SE和Android。 ,ZXing is an open-source, multi-format 1D/2D barcode image processing library implemented in Java. Our focus is on using the built-in camera on