JPG图像文件类型变焦*这类实现一个给定的缩放方法一个JPG格式的JPEG图像文件转换为JPG文件，您可以生成一个jpg文件显微图像文件（JPG格式）*提供了生成图像的三种方法：1，是一家集迷你文件根据宽度和源确定文件大小的图像文件的宽度，长度，一种新的2×小型和微型图像生成，设置文件的长度，生成图像根据文件的大小来确定长度和宽度的图像文件的源的新的、按比例设置3×微型文件相对对源图像文件的大小。对源图像文件进行大小和设置，以确定生成新的微型图像的文件大小的大小*新生成的图像可以与原始图像进行比较，然后将源图像放置。(JPG image file type zoom * this class implements a given zoom method of a JPG JPEG image file to a JPG file, micro image file you can generate a JPG file (JPG format) * provides three methods of generating image: 1, is a set of mini file according to the width and the width of the source the image file set to determine the length of the file size, a new generation of small and micro miniature image of 2 *, set file length, to generate the image according to the size of documents to determine the length and width of the source image file of the new, according to the proportion set 3 x miniature file relative to the source image file size. Size and setting the source image file to determine the size of the file size to generate a new miniature image * the newly generated image can be compared with the original image, and then the source image is placed)