s

app/pub/scripts/anpdf.js

@@ -40,4 +40,7 @@ loadingTask.promise.then(function(pdf) {
 }, function (reason) {
   // PDF loading error
   console.error(reason);
-});
+});
+
+
+  

app/pub/scripts/anviewer.js

@@ -75,6 +75,17 @@ function pdfzoomout(){
 }
 
 
+var cnt = 100;
+function resize_plus(){
+    var div = document.getElementById("the-canvas");
+    cnt += 2;
+    div.style.width = cnt+"%";
+}
+function resize_minus(){
+  var div = document.getElementById("the-canvas");
+  cnt -= 2;
+  div.style.width = cnt+"%";
+}
 function getzoom(){
 
   var name = 'pdfscale';