用python给文件夹下所有图片进行缩放处理

Love The Way You Lie 2022-08-11 00:49 232阅读 0赞

#! /usr/bin/env python 
    # -*- coding: UTF-8 -*- 
    #@author zcwang3@gmail.com
    #@version 2010-10-20 15:47
    #图片处理模块（缩放）
    
    import BaseUtil
    import os
    import Image
    
    srcImgFolder = srcImgFolder = r"D:\javaResize"
    def resizeFold(dir_proc):
        for file in os.listdir(dir_proc):
            fullFile = os.path.join(dir_proc, file)
            if os.path.isdir(fullFile):
                resizeFold(fullFile)
                continue
            
            #带有下划线的目标图片不需要处理
            if fullFile.find("_") != -1:
                continue
            
            #正常图片
            srcImgFullFileName = fullFile
            BaseUtil.outputInfoMessage("INFO:process file %s" %(os.path.join(dir_proc, file)))
            #处理文件
            if os.path.isfile(srcImgFullFileName):
                folderPath = srcImgFullFileName[:srcImgFullFileName.rfind(os.sep)]
                fileName = srcImgFullFileName[srcImgFullFileName.rfind("\\")+1:]
                
                img = Image.open(srcImgFullFileName)
    #            img.show()
                width,height = img.size
                targetWidthArray = (100,120,240,400,640)
                for targetWidth in targetWidthArray:
                    targetImg = img.resize(
                               (targetWidth, targetWidth * height / width),
                               Image.ANTIALIAS
                               )
                    newFileName = fileName.split(".")[0] + "_" + str(targetWidth) + "." + fileName.split(".")[1]
                    targetImg.save(folderPath + os.sep + newFileName, 'jpeg')
                    
    if __name__ == "__main__":
        resizeFold(srcImgFolder)