Ignore new scale value if it's the same as before

diff --git a/web/viewer.js b/web/viewer.js
index 12158c4b87215232b199ac0a412911ca5f32cde5..441a36a929a7d620f275430cd0e325fc24b0db33 100644 (file)
--- a/web/viewer.js
+++ b/web/viewer.js
@@ -149,6 +149,9 @@ var PDFView = {
   initialBookmark: document.location.hash.substring(1),
 
   setScale: function pdfViewSetScale(val, resetAutoSettings) {
+    if (val == this.currentScale)
+      return;
+
     var pages = this.pages;
     for (var i = 0; i < pages.length; i++)
       pages[i].update(val * kCssUnits);