Update app.js

@@ -5,7 +5,7 @@ var request = require('request');
 var https=require('https');
 var http=require('http');
 var mime=require('mime-types');
-
+var png=require('png-js');
 var fs = require("fs");
 
 var httpsOptions = {
@@ -89,6 +89,16 @@ async function handleEvent(event) {
           await stream.on('data', (chunk) => {
             console.log(typeof(chunk));
             fs.writeFileSync("./photo/1.png",chunk);
+
+            var PNG = require('png-js');
+
+var myimage = new PNG("./photo/1.png");
+
+var width  = myimage.width;
+var height = myimage.height;
+
+myimage.decode(function (pixels) {
+    //Pixels is a 1D array containing pixel data
     var cheerio = require('cheerio');
       var uriBase = 'https://koreacentral.api.cognitive.microsoft.com/vision/v2.1/ocr';
        var options = {
@@ -101,14 +111,11 @@ async function handleEvent(event) {
           'Content-Type': 'application/json',
           'Ocp-Apim-Subscription-Key': '979dc5d63344438fa4701c62feebb7dc'
         },
-      body: fs.readFileSync("./photo/1.png")
+      body: myimage
       };
-      app.get('/photo',(req,res)=>{
-        res.send(chunk+"png");
-      })
-      /*
+      
       request.post(options, function (error, response, body) {
-        var data=body;
+        var data=options.body;
         console.log(data);
         var text='';
         while(data.indexOf('text\\')!=-1)
@@ -140,7 +147,9 @@ async function handleEvent(event) {
             }
             client.replyMessage(event.replyToken,result).then(resolve).catch(reject);
           });
-      });*/
+      });
+
+});