PDF.js version 2.0.466 - See mozilla/pdf.js@a8e9f6cc290e4f12ceb01f36c783477d1fc75bfe

bower.json

@@ -1,6 +1,6 @@
 {
   "name": "pdfjs-dist",
-  "version": "2.0.457",
+  "version": "2.0.466",
   "main": [
     "build/pdf.js",
     "build/pdf.worker.js"

build/pdf.js

@@ -3004,8 +3004,8 @@ exports.GlobalWorkerOptions = GlobalWorkerOptions;
 "use strict";
 
 
-var pdfjsVersion = '2.0.457';
+var pdfjsVersion = '2.0.466';
-var pdfjsBuild = '5c1a16ba';
+var pdfjsBuild = 'a8e9f6cc';
 var pdfjsSharedUtil = __w_pdfjs_require__(0);
 var pdfjsDisplayAPI = __w_pdfjs_require__(117);
 var pdfjsDisplayTextLayer = __w_pdfjs_require__(125);
@@ -8434,7 +8434,7 @@ function _fetchDocument(worker, source, pdfDataRangeTransport, docId) {
   }
   return worker.messageHandler.sendWithPromise('GetDocRequest', {
     docId: docId,
-    apiVersion: '2.0.457',
+    apiVersion: '2.0.466',
     source: {
       data: source.data,
       url: source.url,
@@ -9852,8 +9852,8 @@ var InternalRenderTask = function InternalRenderTaskClosure() {
 }();
 var version, build;
 {
-  exports.version = version = '2.0.457';
+  exports.version = version = '2.0.466';
-  exports.build = build = '5c1a16ba';
+  exports.build = build = 'a8e9f6cc';
 }
 exports.getDocument = getDocument;
 exports.LoopbackPort = LoopbackPort;

build/pdf.worker.js

@@ -22361,8 +22361,8 @@ exports.PostScriptCompiler = PostScriptCompiler;
 "use strict";
 
 
-var pdfjsVersion = '2.0.457';
+var pdfjsVersion = '2.0.466';
-var pdfjsBuild = '5c1a16ba';
+var pdfjsBuild = 'a8e9f6cc';
 var pdfjsCoreWorker = __w_pdfjs_require__(74);
 exports.WorkerMessageHandler = pdfjsCoreWorker.WorkerMessageHandler;
 
@@ -22575,7 +22575,7 @@ var WorkerMessageHandler = {
     var cancelXHRs = null;
     var WorkerTasks = [];
     var apiVersion = docParams.apiVersion;
-    var workerVersion = '2.0.457';
+    var workerVersion = '2.0.466';
     if (apiVersion !== null && apiVersion !== workerVersion) {
       throw new Error('The API version "' + apiVersion + '" does not match ' + ('the Worker version "' + workerVersion + '".'));
     }

lib/core/worker.js

@@ -223,7 +223,7 @@ var WorkerMessageHandler = {
     var cancelXHRs = null;
     var WorkerTasks = [];
     var apiVersion = docParams.apiVersion;
-    var workerVersion = '2.0.457';
+    var workerVersion = '2.0.466';
     if (apiVersion !== null && apiVersion !== workerVersion) {
       throw new Error('The API version "' + apiVersion + '" does not match ' + ('the Worker version "' + workerVersion + '".'));
     }

lib/display/api.js

@@ -232,7 +232,7 @@ function _fetchDocument(worker, source, pdfDataRangeTransport, docId) {
   }
   return worker.messageHandler.sendWithPromise('GetDocRequest', {
     docId: docId,
-    apiVersion: '2.0.457',
+    apiVersion: '2.0.466',
     source: {
       data: source.data,
       url: source.url,
@@ -1650,8 +1650,8 @@ var InternalRenderTask = function InternalRenderTaskClosure() {
 }();
 var version, build;
 {
-  exports.version = version = '2.0.457';
+  exports.version = version = '2.0.466';
-  exports.build = build = '5c1a16ba';
+  exports.build = build = 'a8e9f6cc';
 }
 exports.getDocument = getDocument;
 exports.LoopbackPort = LoopbackPort;

lib/pdf.js

@@ -21,8 +21,8 @@
  */
 'use strict';
 
-var pdfjsVersion = '2.0.457';
+var pdfjsVersion = '2.0.466';
-var pdfjsBuild = '5c1a16ba';
+var pdfjsBuild = 'a8e9f6cc';
 var pdfjsSharedUtil = require('./shared/util.js');
 var pdfjsDisplayAPI = require('./display/api.js');
 var pdfjsDisplayTextLayer = require('./display/text_layer.js');

lib/pdf.worker.js

@@ -21,7 +21,7 @@
  */
 'use strict';
 
-var pdfjsVersion = '2.0.457';
+var pdfjsVersion = '2.0.466';
-var pdfjsBuild = '5c1a16ba';
+var pdfjsBuild = 'a8e9f6cc';
 var pdfjsCoreWorker = require('./core/worker.js');
 exports.WorkerMessageHandler = pdfjsCoreWorker.WorkerMessageHandler;

lib/test/unit/ui_utils_spec.js

@@ -226,6 +226,24 @@ describe('ui_utils', function () {
       expect((0, _ui_utils.isValidRotation)(540)).toEqual(true);
     });
   });
+  describe('isPortraitOrientation', function () {
+    it('should be portrait orientation', function () {
+      expect((0, _ui_utils.isPortraitOrientation)({
+        width: 200,
+        height: 400
+      })).toEqual(true);
+      expect((0, _ui_utils.isPortraitOrientation)({
+        width: 500,
+        height: 500
+      })).toEqual(true);
+    });
+    it('should be landscape orientation', function () {
+      expect((0, _ui_utils.isPortraitOrientation)({
+        width: 600,
+        height: 300
+      })).toEqual(false);
+    });
+  });
   describe('waitOnEventOrTimeout', function () {
     var eventBus = void 0;
     beforeAll(function (done) {

lib/web/base_viewer.js

@@ -75,9 +75,6 @@ function isSameScale(oldScale, newScale) {
   }
   return false;
 }
-function isPortraitOrientation(size) {
-  return size.width <= size.height;
-}
 
 var BaseViewer = function () {
   function BaseViewer(options) {
@@ -391,8 +388,7 @@ var BaseViewer = function () {
             scale = Math.min(pageWidthScale, pageHeightScale);
             break;
           case 'auto':
-            var isLandscape = currentPage.width > currentPage.height;
+            var horizontalScale = (0, _ui_utils.isPortraitOrientation)(currentPage) ? pageWidthScale : Math.min(pageHeightScale, pageWidthScale);
-            var horizontalScale = isLandscape ? Math.min(pageHeightScale, pageWidthScale) : pageWidthScale;
             scale = Math.min(_ui_utils.MAX_AUTO_SCALE, horizontalScale);
             break;
           default:
@@ -675,9 +671,9 @@ var BaseViewer = function () {
       if (!this.enablePrintAutoRotate) {
         return pagesOverview;
       }
-      var isFirstPagePortrait = isPortraitOrientation(pagesOverview[0]);
+      var isFirstPagePortrait = (0, _ui_utils.isPortraitOrientation)(pagesOverview[0]);
       return pagesOverview.map(function (size) {
-        if (isFirstPagePortrait === isPortraitOrientation(size)) {
+        if (isFirstPagePortrait === (0, _ui_utils.isPortraitOrientation)(size)) {
           return size;
         }
         return {

lib/web/firefoxcom.js

@@ -175,6 +175,11 @@ var MozL10n = function () {
   }
 
   _createClass(MozL10n, [{
+    key: 'getLanguage',
+    value: function getLanguage() {
+      return Promise.resolve(this.mozL10n.getLanguage());
+    }
+  }, {
     key: 'getDirection',
     value: function getDirection() {
       return Promise.resolve(this.mozL10n.getDirection());

lib/web/genericl10n.js

@@ -47,6 +47,13 @@ var GenericL10n = function () {
   }
 
   _createClass(GenericL10n, [{
+    key: 'getLanguage',
+    value: function getLanguage() {
+      return this._ready.then(function (l10n) {
+        return l10n.getLanguage();
+      });
+    }
+  }, {
     key: 'getDirection',
     value: function getDirection() {
       return this._ready.then(function (l10n) {

lib/web/interfaces.js

@@ -159,6 +159,9 @@ var IL10n = function () {
   }
 
   _createClass(IL10n, [{
+    key: 'getLanguage',
+    value: function getLanguage() {}
+  }, {
     key: 'getDirection',
     value: function getDirection() {}
   }, {

lib/web/pdf_document_properties.js

@@ -37,6 +37,20 @@ var _pdf = require('../pdf');
 function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
 
 var DEFAULT_FIELD_CONTENT = '-';
+var NON_METRIC_LOCALES = ['en-us', 'en-lr', 'my'];
+var US_PAGE_NAMES = {
+  '8.5x11': 'Letter',
+  '8.5x14': 'Legal'
+};
+var METRIC_PAGE_NAMES = {
+  '297x420': 'A3',
+  '210x297': 'A4'
+};
+function getPageName(size, isPortrait, pageNames) {
+  var width = isPortrait ? size.width : size.height;
+  var height = isPortrait ? size.height : size.width;
+  return pageNames[width + 'x' + height];
+}
 
 var PDFDocumentProperties = function () {
   function PDFDocumentProperties(_ref, overlayManager, eventBus) {
@@ -65,7 +79,14 @@ var PDFDocumentProperties = function () {
       eventBus.on('pagechanging', function (evt) {
         _this._currentPageNumber = evt.pageNumber;
       });
+      eventBus.on('rotationchanging', function (evt) {
+        _this._pagesRotation = evt.pagesRotation;
+      });
     }
+    this._isNonMetricLocale = true;
+    l10n.getLanguage().then(function (locale) {
+      _this._isNonMetricLocale = NON_METRIC_LOCALES.includes(locale);
+    });
   }
 
   _createClass(PDFDocumentProperties, [{
@@ -83,7 +104,8 @@ var PDFDocumentProperties = function () {
       };
       Promise.all([this.overlayManager.open(this.overlayName), this._dataAvailableCapability.promise]).then(function () {
         var currentPageNumber = _this2._currentPageNumber;
-        if (_this2.fieldData && currentPageNumber === _this2.fieldData['_currentPageNumber']) {
+        var pagesRotation = _this2._pagesRotation;
+        if (_this2.fieldData && currentPageNumber === _this2.fieldData['_currentPageNumber'] && pagesRotation === _this2.fieldData['_pagesRotation']) {
           _this2._updateUI();
           return;
         }
@@ -93,7 +115,7 @@ var PDFDocumentProperties = function () {
               contentDispositionFilename = _ref2.contentDispositionFilename;
 
           return Promise.all([info, metadata, contentDispositionFilename || (0, _ui_utils.getPDFFileNameFromURL)(_this2.url), _this2._parseFileSize(_this2.maybeFileSize), _this2._parseDate(info.CreationDate), _this2._parseDate(info.ModDate), _this2.pdfDocument.getPage(currentPageNumber).then(function (pdfPage) {
-            return _this2._parsePageSize((0, _ui_utils.getPageSizeInches)(pdfPage));
+            return _this2._parsePageSize((0, _ui_utils.getPageSizeInches)(pdfPage), pagesRotation);
           })]);
         }).then(function (_ref3) {
           var _ref4 = _slicedToArray(_ref3, 7),
@@ -103,7 +125,7 @@ var PDFDocumentProperties = function () {
               fileSize = _ref4[3],
               creationDate = _ref4[4],
               modDate = _ref4[5],
-              pageSizes = _ref4[6];
+              pageSize = _ref4[6];
 
           freezeFieldData({
             'fileName': fileName,
@@ -118,9 +140,9 @@ var PDFDocumentProperties = function () {
             'producer': info.Producer,
             'version': info.PDFFormatVersion,
             'pageCount': _this2.pdfDocument.numPages,
-            'pageSizeInch': pageSizes.inch,
+            'pageSize': pageSize,
-            'pageSizeMM': pageSizes.mm,
+            '_currentPageNumber': currentPageNumber,
-            '_currentPageNumber': currentPageNumber
+            '_pagesRotation': pagesRotation
           });
           _this2._updateUI();
           return _this2.pdfDocument.getDownloadInfo();
@@ -175,6 +197,7 @@ var PDFDocumentProperties = function () {
       delete this.fieldData;
       this._dataAvailableCapability = (0, _pdf.createPromiseCapability)();
       this._currentPageNumber = 1;
+      this._pagesRotation = 0;
     }
   }, {
     key: '_updateUI',
@@ -216,27 +239,68 @@ var PDFDocumentProperties = function () {
     }
   }, {
     key: '_parsePageSize',
-    value: function _parsePageSize(pageSizeInches) {
+    value: function _parsePageSize(pageSizeInches, pagesRotation) {
+      var _this3 = this;
+
       if (!pageSizeInches) {
-        return Promise.resolve({
+        return Promise.resolve(undefined);
-          inch: undefined,
-          mm: undefined
-        });
       }
-      var width = pageSizeInches.width,
+      if (pagesRotation % 180 !== 0) {
-          height = pageSizeInches.height;
+        pageSizeInches = {
-
+          width: pageSizeInches.height,
-      return Promise.all([this.l10n.get('document_properties_page_size_in_2', {
+          height: pageSizeInches.width
-        width: (Math.round(width * 100) / 100).toLocaleString(),
-        height: (Math.round(height * 100) / 100).toLocaleString()
-      }, '{{width}} × {{height}} in'), this.l10n.get('document_properties_page_size_mm_2', {
-        width: (Math.round(width * 25.4 * 10) / 10).toLocaleString(),
-        height: (Math.round(height * 25.4 * 10) / 10).toLocaleString()
-      }, '{{width}} × {{height}} mm')]).then(function (sizes) {
-        return {
-          inch: sizes[0],
-          mm: sizes[1]
         };
+      }
+      var isPortrait = (0, _ui_utils.isPortraitOrientation)(pageSizeInches);
+      var sizeInches = {
+        width: Math.round(pageSizeInches.width * 100) / 100,
+        height: Math.round(pageSizeInches.height * 100) / 100
+      };
+      var sizeMillimeters = {
+        width: Math.round(pageSizeInches.width * 25.4 * 10) / 10,
+        height: Math.round(pageSizeInches.height * 25.4 * 10) / 10
+      };
+      var pageName = null;
+      var name = getPageName(sizeInches, isPortrait, US_PAGE_NAMES) || getPageName(sizeMillimeters, isPortrait, METRIC_PAGE_NAMES);
+      if (!name && !(Number.isInteger(sizeMillimeters.width) && Number.isInteger(sizeMillimeters.height))) {
+        var exactMillimeters = {
+          width: pageSizeInches.width * 25.4,
+          height: pageSizeInches.height * 25.4
+        };
+        var intMillimeters = {
+          width: Math.round(sizeMillimeters.width),
+          height: Math.round(sizeMillimeters.height)
+        };
+        if (Math.abs(exactMillimeters.width - intMillimeters.width) < 0.1 && Math.abs(exactMillimeters.height - intMillimeters.height) < 0.1) {
+          name = getPageName(intMillimeters, isPortrait, METRIC_PAGE_NAMES);
+          if (name) {
+            sizeInches = {
+              width: Math.round(intMillimeters.width / 25.4 * 100) / 100,
+              height: Math.round(intMillimeters.height / 25.4 * 100) / 100
+            };
+            sizeMillimeters = intMillimeters;
+          }
+        }
+      }
+      if (name) {
+        pageName = this.l10n.get('document_properties_page_size_name_' + name.toLowerCase(), null, name);
+      }
+      return Promise.all([this._isNonMetricLocale ? sizeInches : sizeMillimeters, this.l10n.get('document_properties_page_size_unit_' + (this._isNonMetricLocale ? 'inches' : 'millimeters'), null, this._isNonMetricLocale ? 'in' : 'mm'), pageName, this.l10n.get('document_properties_page_size_orientation_' + (isPortrait ? 'portrait' : 'landscape'), null, isPortrait ? 'portrait' : 'landscape')]).then(function (_ref6) {
+        var _ref7 = _slicedToArray(_ref6, 4),
+            _ref7$ = _ref7[0],
+            width = _ref7$.width,
+            height = _ref7$.height,
+            unit = _ref7[1],
+            name = _ref7[2],
+            orientation = _ref7[3];
+
+        return _this3.l10n.get('document_properties_page_size_dimension_' + (name ? 'name_' : '') + 'string', {
+          width: width.toLocaleString(),
+          height: height.toLocaleString(),
+          unit: unit,
+          name: name,
+          orientation: orientation
+        }, '{{width}} × {{height}} {{unit}} (' + (name ? '{{name}}, ' : '') + '{{orientation}})');
       });
     }
   }, {

lib/web/pdf_viewer.component.js

@@ -48,8 +48,8 @@ var _pdf_single_page_viewer = require('./pdf_single_page_viewer');
 
 var _pdf_viewer = require('./pdf_viewer.js');
 
-var pdfjsVersion = '2.0.457';
+var pdfjsVersion = '2.0.466';
-var pdfjsBuild = '5c1a16ba';
+var pdfjsBuild = 'a8e9f6cc';
 exports.PDFViewer = _pdf_viewer.PDFViewer;
 exports.PDFSinglePageViewer = _pdf_single_page_viewer.PDFSinglePageViewer;
 exports.PDFPageView = _pdf_page_view.PDFPageView;

lib/web/ui_utils.js

@@ -24,7 +24,7 @@
 Object.defineProperty(exports, "__esModule", {
   value: true
 });
-exports.waitOnEventOrTimeout = exports.WaitOnType = exports.animationStarted = exports.normalizeWheelEventDelta = exports.binarySearchFirstItem = exports.watchScroll = exports.scrollIntoView = exports.getOutputScale = exports.approximateFraction = exports.getPageSizeInches = exports.roundToDivide = exports.getVisibleElements = exports.parseQueryString = exports.noContextMenuHandler = exports.getPDFFileNameFromURL = exports.ProgressBar = exports.EventBus = exports.NullL10n = exports.TextLayerMode = exports.RendererType = exports.PresentationModeState = exports.cloneObj = exports.isFileSchema = exports.isValidRotation = exports.VERTICAL_PADDING = exports.SCROLLBAR_PADDING = exports.MAX_AUTO_SCALE = exports.UNKNOWN_SCALE = exports.MAX_SCALE = exports.MIN_SCALE = exports.DEFAULT_SCALE = exports.DEFAULT_SCALE_VALUE = exports.CSS_UNITS = undefined;
+exports.waitOnEventOrTimeout = exports.WaitOnType = exports.animationStarted = exports.normalizeWheelEventDelta = exports.binarySearchFirstItem = exports.watchScroll = exports.scrollIntoView = exports.getOutputScale = exports.approximateFraction = exports.getPageSizeInches = exports.roundToDivide = exports.getVisibleElements = exports.parseQueryString = exports.noContextMenuHandler = exports.getPDFFileNameFromURL = exports.ProgressBar = exports.EventBus = exports.NullL10n = exports.TextLayerMode = exports.RendererType = exports.PresentationModeState = exports.cloneObj = exports.isFileSchema = exports.isPortraitOrientation = exports.isValidRotation = exports.VERTICAL_PADDING = exports.SCROLLBAR_PADDING = exports.MAX_AUTO_SCALE = exports.UNKNOWN_SCALE = exports.MAX_SCALE = exports.MIN_SCALE = exports.DEFAULT_SCALE = exports.DEFAULT_SCALE_VALUE = exports.CSS_UNITS = undefined;
 
 var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
 
@@ -69,6 +69,9 @@ function formatL10nValue(text, args) {
   });
 }
 var NullL10n = {
+  getLanguage: function getLanguage() {
+    return Promise.resolve('en-us');
+  },
   getDirection: function getDirection() {
     return Promise.resolve('ltr');
   },
@@ -361,6 +364,9 @@ function normalizeWheelEventDelta(evt) {
 function isValidRotation(angle) {
   return Number.isInteger(angle) && angle % 90 === 0;
 }
+function isPortraitOrientation(size) {
+  return size.width <= size.height;
+}
 function cloneObj(obj) {
   var result = Object.create(null);
   for (var i in obj) {
@@ -545,6 +551,7 @@ exports.MAX_AUTO_SCALE = MAX_AUTO_SCALE;
 exports.SCROLLBAR_PADDING = SCROLLBAR_PADDING;
 exports.VERTICAL_PADDING = VERTICAL_PADDING;
 exports.isValidRotation = isValidRotation;
+exports.isPortraitOrientation = isPortraitOrientation;
 exports.isFileSchema = isFileSchema;
 exports.cloneObj = cloneObj;
 exports.PresentationModeState = PresentationModeState;

package.json

@@ -1,6 +1,6 @@
 {
   "name": "pdfjs-dist",
-  "version": "2.0.457",
+  "version": "2.0.466",
   "main": "build/pdf.js",
   "description": "Generic build of Mozilla's PDF.js library.",
   "keywords": [

web/pdf_viewer.js

@@ -105,7 +105,7 @@ return /******/ (function(modules) { // webpackBootstrap
 Object.defineProperty(exports, "__esModule", {
   value: true
 });
-exports.waitOnEventOrTimeout = exports.WaitOnType = exports.animationStarted = exports.normalizeWheelEventDelta = exports.binarySearchFirstItem = exports.watchScroll = exports.scrollIntoView = exports.getOutputScale = exports.approximateFraction = exports.getPageSizeInches = exports.roundToDivide = exports.getVisibleElements = exports.parseQueryString = exports.noContextMenuHandler = exports.getPDFFileNameFromURL = exports.ProgressBar = exports.EventBus = exports.NullL10n = exports.TextLayerMode = exports.RendererType = exports.PresentationModeState = exports.cloneObj = exports.isFileSchema = exports.isValidRotation = exports.VERTICAL_PADDING = exports.SCROLLBAR_PADDING = exports.MAX_AUTO_SCALE = exports.UNKNOWN_SCALE = exports.MAX_SCALE = exports.MIN_SCALE = exports.DEFAULT_SCALE = exports.DEFAULT_SCALE_VALUE = exports.CSS_UNITS = undefined;
+exports.waitOnEventOrTimeout = exports.WaitOnType = exports.animationStarted = exports.normalizeWheelEventDelta = exports.binarySearchFirstItem = exports.watchScroll = exports.scrollIntoView = exports.getOutputScale = exports.approximateFraction = exports.getPageSizeInches = exports.roundToDivide = exports.getVisibleElements = exports.parseQueryString = exports.noContextMenuHandler = exports.getPDFFileNameFromURL = exports.ProgressBar = exports.EventBus = exports.NullL10n = exports.TextLayerMode = exports.RendererType = exports.PresentationModeState = exports.cloneObj = exports.isFileSchema = exports.isPortraitOrientation = exports.isValidRotation = exports.VERTICAL_PADDING = exports.SCROLLBAR_PADDING = exports.MAX_AUTO_SCALE = exports.UNKNOWN_SCALE = exports.MAX_SCALE = exports.MIN_SCALE = exports.DEFAULT_SCALE = exports.DEFAULT_SCALE_VALUE = exports.CSS_UNITS = undefined;
 
 var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
 
@@ -150,6 +150,9 @@ function formatL10nValue(text, args) {
   });
 }
 var NullL10n = {
+  getLanguage: function getLanguage() {
+    return Promise.resolve('en-us');
+  },
   getDirection: function getDirection() {
     return Promise.resolve('ltr');
   },
@@ -442,6 +445,9 @@ function normalizeWheelEventDelta(evt) {
 function isValidRotation(angle) {
   return Number.isInteger(angle) && angle % 90 === 0;
 }
+function isPortraitOrientation(size) {
+  return size.width <= size.height;
+}
 function cloneObj(obj) {
   var result = Object.create(null);
   for (var i in obj) {
@@ -626,6 +632,7 @@ exports.MAX_AUTO_SCALE = MAX_AUTO_SCALE;
 exports.SCROLLBAR_PADDING = SCROLLBAR_PADDING;
 exports.VERTICAL_PADDING = VERTICAL_PADDING;
 exports.isValidRotation = isValidRotation;
+exports.isPortraitOrientation = isPortraitOrientation;
 exports.isFileSchema = isFileSchema;
 exports.cloneObj = cloneObj;
 exports.PresentationModeState = PresentationModeState;
@@ -2419,9 +2426,6 @@ function isSameScale(oldScale, newScale) {
   }
   return false;
 }
-function isPortraitOrientation(size) {
-  return size.width <= size.height;
-}
 
 var BaseViewer = function () {
   function BaseViewer(options) {
@@ -2735,8 +2739,7 @@ var BaseViewer = function () {
             scale = Math.min(pageWidthScale, pageHeightScale);
             break;
           case 'auto':
-            var isLandscape = currentPage.width > currentPage.height;
+            var horizontalScale = (0, _ui_utils.isPortraitOrientation)(currentPage) ? pageWidthScale : Math.min(pageHeightScale, pageWidthScale);
-            var horizontalScale = isLandscape ? Math.min(pageHeightScale, pageWidthScale) : pageWidthScale;
             scale = Math.min(_ui_utils.MAX_AUTO_SCALE, horizontalScale);
             break;
           default:
@@ -3019,9 +3022,9 @@ var BaseViewer = function () {
       if (!this.enablePrintAutoRotate) {
         return pagesOverview;
       }
-      var isFirstPagePortrait = isPortraitOrientation(pagesOverview[0]);
+      var isFirstPagePortrait = (0, _ui_utils.isPortraitOrientation)(pagesOverview[0]);
       return pagesOverview.map(function (size) {
-        if (isFirstPagePortrait === isPortraitOrientation(size)) {
+        if (isFirstPagePortrait === (0, _ui_utils.isPortraitOrientation)(size)) {
           return size;
         }
         return {
@@ -3201,8 +3204,8 @@ var _pdf_single_page_viewer = __w_pdfjs_require__(16);
 
 var _pdf_viewer = __w_pdfjs_require__(17);
 
-var pdfjsVersion = '2.0.457';
+var pdfjsVersion = '2.0.466';
-var pdfjsBuild = '5c1a16ba';
+var pdfjsBuild = 'a8e9f6cc';
 exports.PDFViewer = _pdf_viewer.PDFViewer;
 exports.PDFSinglePageViewer = _pdf_single_page_viewer.PDFSinglePageViewer;
 exports.PDFPageView = _pdf_page_view.PDFPageView;
@@ -3338,6 +3341,13 @@ var GenericL10n = function () {
   }
 
   _createClass(GenericL10n, [{
+    key: 'getLanguage',
+    value: function getLanguage() {
+      return this._ready.then(function (l10n) {
+        return l10n.getLanguage();
+      });
+    }
+  }, {
     key: 'getDirection',
     value: function getDirection() {
       return this._ready.then(function (l10n) {