Increase default auto scale to 125%

web/viewer.js

@@ -30,6 +30,7 @@ var CACHE_SIZE = 20;
 var CSS_UNITS = 96.0 / 72.0;
 var SCROLLBAR_PADDING = 40;
 var VERTICAL_PADDING = 5;
+var MAX_AUTO_SCALE = 1.25;
 var MIN_SCALE = 0.25;
 var MAX_SCALE = 4.0;
 var SETTINGS_MEMORY = 20;
@@ -230,7 +231,7 @@ var PDFView = {
           scale = Math.min(pageWidthScale, pageHeightScale);
           break;
         case 'auto':
-          scale = Math.min(1.0, pageWidthScale);
+          scale = Math.min(MAX_AUTO_SCALE, pageWidthScale);
           break;
       }
     }