PDF.js version 2.0.457 - See mozilla/pdf.js@5c1a16ba6ecc0bb8d5011af2ef77500975e7fdcf

bower.json

@@ -1,6 +1,6 @@
 {
   "name": "pdfjs-dist",
-  "version": "2.0.455",
+  "version": "2.0.457",
   "main": [
     "build/pdf.js",
     "build/pdf.worker.js"

build/pdf.js

@@ -3004,8 +3004,8 @@ exports.GlobalWorkerOptions = GlobalWorkerOptions;
 "use strict";
 
 
-var pdfjsVersion = '2.0.455';
-var pdfjsBuild = '6cc0efe1';
+var pdfjsVersion = '2.0.457';
+var pdfjsBuild = '5c1a16ba';
 var pdfjsSharedUtil = __w_pdfjs_require__(0);
 var pdfjsDisplayAPI = __w_pdfjs_require__(117);
 var pdfjsDisplayTextLayer = __w_pdfjs_require__(125);
@@ -8230,8 +8230,6 @@ exports.build = exports.version = exports.setPDFNetworkStreamFactory = exports.P
 
 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; }; }();
 
-var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"]) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }; }();
-
 var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
 
 var _util = __w_pdfjs_require__(0);
@@ -8436,7 +8434,7 @@ function _fetchDocument(worker, source, pdfDataRangeTransport, docId) {
   }
   return worker.messageHandler.sendWithPromise('GetDocRequest', {
     docId: docId,
-    apiVersion: '2.0.455',
+    apiVersion: '2.0.457',
     source: {
       data: source.data,
       url: source.url,
@@ -8650,19 +8648,6 @@ var PDFPageProxy = function PDFPageProxyClosure() {
     get view() {
       return this.pageInfo.view;
     },
-    get pageSizeInches() {
-      var _view = _slicedToArray(this.view, 4),
-          x1 = _view[0],
-          y1 = _view[1],
-          x2 = _view[2],
-          y2 = _view[3],
-          userUnit = this.userUnit;
-
-      return {
-        width: (x2 - x1) / 72 * userUnit,
-        height: (y2 - y1) / 72 * userUnit
-      };
-    },
     getViewport: function getViewport(scale) {
       var rotate = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : this.rotate;
       var dontFlip = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
@@ -9867,8 +9852,8 @@ var InternalRenderTask = function InternalRenderTaskClosure() {
 }();
 var version, build;
 {
-  exports.version = version = '2.0.455';
-  exports.build = build = '6cc0efe1';
+  exports.version = version = '2.0.457';
+  exports.build = build = '5c1a16ba';
 }
 exports.getDocument = getDocument;
 exports.LoopbackPort = LoopbackPort;

build/pdf.worker.js

@@ -22361,8 +22361,8 @@ exports.PostScriptCompiler = PostScriptCompiler;
 "use strict";
 
 
-var pdfjsVersion = '2.0.455';
-var pdfjsBuild = '6cc0efe1';
+var pdfjsVersion = '2.0.457';
+var pdfjsBuild = '5c1a16ba';
 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 = '2.0.455';
+    var workerVersion = '2.0.457';
     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 = '2.0.455';
+    var workerVersion = '2.0.457';
     if (apiVersion !== null && apiVersion !== workerVersion) {
       throw new Error('The API version "' + apiVersion + '" does not match ' + ('the Worker version "' + workerVersion + '".'));
     }

lib/display/api.js

@@ -28,8 +28,6 @@ exports.build = exports.version = exports.setPDFNetworkStreamFactory = exports.P
 
 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; }; }();
 
-var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"]) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }; }();
-
 var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
 
 var _util = require('../shared/util');
@@ -234,7 +232,7 @@ function _fetchDocument(worker, source, pdfDataRangeTransport, docId) {
   }
   return worker.messageHandler.sendWithPromise('GetDocRequest', {
     docId: docId,
-    apiVersion: '2.0.455',
+    apiVersion: '2.0.457',
     source: {
       data: source.data,
       url: source.url,
@@ -448,19 +446,6 @@ var PDFPageProxy = function PDFPageProxyClosure() {
     get view() {
       return this.pageInfo.view;
     },
-    get pageSizeInches() {
-      var _view = _slicedToArray(this.view, 4),
-          x1 = _view[0],
-          y1 = _view[1],
-          x2 = _view[2],
-          y2 = _view[3],
-          userUnit = this.userUnit;
-
-      return {
-        width: (x2 - x1) / 72 * userUnit,
-        height: (y2 - y1) / 72 * userUnit
-      };
-    },
     getViewport: function getViewport(scale) {
       var rotate = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : this.rotate;
       var dontFlip = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
@@ -1665,8 +1650,8 @@ var InternalRenderTask = function InternalRenderTaskClosure() {
 }();
 var version, build;
 {
-  exports.version = version = '2.0.455';
-  exports.build = build = '6cc0efe1';
+  exports.version = version = '2.0.457';
+  exports.build = build = '5c1a16ba';
 }
 exports.getDocument = getDocument;
 exports.LoopbackPort = LoopbackPort;

lib/pdf.js

@@ -21,8 +21,8 @@
  */
 'use strict';
 
-var pdfjsVersion = '2.0.455';
-var pdfjsBuild = '6cc0efe1';
+var pdfjsVersion = '2.0.457';
+var pdfjsBuild = '5c1a16ba';
 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 = '2.0.455';
-var pdfjsBuild = '6cc0efe1';
+var pdfjsVersion = '2.0.457';
+var pdfjsBuild = '5c1a16ba';
 var pdfjsCoreWorker = require('./core/worker.js');
 exports.WorkerMessageHandler = pdfjsCoreWorker.WorkerMessageHandler;

lib/test/unit/api_spec.js

@@ -845,14 +845,6 @@ describe('api', function () {
     it('gets view', function () {
       expect(page.view).toEqual([0, 0, 595.28, 841.89]);
     });
-    it('gets page size (in inches)', function () {
-      var _page$pageSizeInches = page.pageSizeInches,
-          width = _page$pageSizeInches.width,
-          height = _page$pageSizeInches.height;
-
-      expect(+width.toPrecision(3)).toEqual(8.27);
-      expect(+height.toPrecision(4)).toEqual(11.69);
-    });
     it('gets viewport', function () {
       var viewport = page.getViewport(1.5, 90);
       expect(viewport.viewBox).toEqual(page.view);

lib/test/unit/ui_utils_spec.js

@@ -318,4 +318,46 @@ describe('ui_utils', function () {
       }, done.fail);
     });
   });
+  describe('getPageSizeInches', function () {
+    it('gets page size (in inches)', function () {
+      var page = {
+        view: [0, 0, 595.28, 841.89],
+        userUnit: 1.0,
+        rotate: 0
+      };
+
+      var _getPageSizeInches = (0, _ui_utils.getPageSizeInches)(page),
+          width = _getPageSizeInches.width,
+          height = _getPageSizeInches.height;
+
+      expect(+width.toPrecision(3)).toEqual(8.27);
+      expect(+height.toPrecision(4)).toEqual(11.69);
+    });
+    it('gets page size (in inches), for non-default /Rotate entry', function () {
+      var pdfPage1 = {
+        view: [0, 0, 612, 792],
+        userUnit: 1,
+        rotate: 0
+      };
+
+      var _getPageSizeInches2 = (0, _ui_utils.getPageSizeInches)(pdfPage1),
+          width1 = _getPageSizeInches2.width,
+          height1 = _getPageSizeInches2.height;
+
+      expect(width1).toEqual(8.5);
+      expect(height1).toEqual(11);
+      var pdfPage2 = {
+        view: [0, 0, 612, 792],
+        userUnit: 1,
+        rotate: 90
+      };
+
+      var _getPageSizeInches3 = (0, _ui_utils.getPageSizeInches)(pdfPage2),
+          width2 = _getPageSizeInches3.width,
+          height2 = _getPageSizeInches3.height;
+
+      expect(width2).toEqual(11);
+      expect(height2).toEqual(8.5);
+    });
+  });
 });

lib/web/pdf_document_properties.js

@@ -93,7 +93,7 @@ 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(pdfPage.pageSizeInches);
+            return _this2._parsePageSize((0, _ui_utils.getPageSizeInches)(pdfPage));
           })]);
         }).then(function (_ref3) {
           var _ref4 = _slicedToArray(_ref3, 7),

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 = '2.0.455';
-var pdfjsBuild = '6cc0efe1';
+var pdfjsVersion = '2.0.457';
+var pdfjsBuild = '5c1a16ba';
 exports.PDFViewer = _pdf_viewer.PDFViewer;
 exports.PDFSinglePageViewer = _pdf_single_page_viewer.PDFSinglePageViewer;
 exports.PDFPageView = _pdf_page_view.PDFPageView;

lib/web/ui_utils.js

@@ -24,12 +24,14 @@
 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.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.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; }; }();
 
 var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
 
+var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"]) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }; }();
+
 var _pdf = require('../pdf');
 
 function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
@@ -218,6 +220,25 @@ function roundToDivide(x, div) {
   var r = x % div;
   return r === 0 ? x : Math.round(x - r + div);
 }
+function getPageSizeInches(_ref) {
+  var view = _ref.view,
+      userUnit = _ref.userUnit,
+      rotate = _ref.rotate;
+
+  var _view = _slicedToArray(view, 4),
+      x1 = _view[0],
+      y1 = _view[1],
+      x2 = _view[2],
+      y2 = _view[3];
+
+  var changeOrientation = rotate % 180 !== 0;
+  var width = (x2 - x1) / 72 * userUnit;
+  var height = (y2 - y1) / 72 * userUnit;
+  return {
+    width: changeOrientation ? height : width,
+    height: changeOrientation ? width : height
+  };
+}
 function getVisibleElements(scrollEl, views) {
   var sortByVisibility = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
 
@@ -353,11 +374,11 @@ var WaitOnType = {
   EVENT: 'event',
   TIMEOUT: 'timeout'
 };
-function waitOnEventOrTimeout(_ref) {
-  var target = _ref.target,
-      name = _ref.name,
-      _ref$delay = _ref.delay,
-      delay = _ref$delay === undefined ? 0 : _ref$delay;
+function waitOnEventOrTimeout(_ref2) {
+  var target = _ref2.target,
+      name = _ref2.name,
+      _ref2$delay = _ref2.delay,
+      delay = _ref2$delay === undefined ? 0 : _ref2$delay;
 
   if ((typeof target === 'undefined' ? 'undefined' : _typeof(target)) !== 'object' || !(name && typeof name === 'string') || !(Number.isInteger(delay) && delay >= 0)) {
     return Promise.reject(new Error('waitOnEventOrTimeout - invalid paramaters.'));
@@ -438,10 +459,10 @@ function clamp(v, min, max) {
 
 var ProgressBar = function () {
   function ProgressBar(id) {
-    var _ref2 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
-        height = _ref2.height,
-        width = _ref2.width,
-        units = _ref2.units;
+    var _ref3 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
+        height = _ref3.height,
+        width = _ref3.width,
+        units = _ref3.units;
 
     _classCallCheck(this, ProgressBar);
 
@@ -537,6 +558,7 @@ exports.noContextMenuHandler = noContextMenuHandler;
 exports.parseQueryString = parseQueryString;
 exports.getVisibleElements = getVisibleElements;
 exports.roundToDivide = roundToDivide;
+exports.getPageSizeInches = getPageSizeInches;
 exports.approximateFraction = approximateFraction;
 exports.getOutputScale = getOutputScale;
 exports.scrollIntoView = scrollIntoView;

package.json

@@ -1,6 +1,6 @@
 {
   "name": "pdfjs-dist",
-  "version": "2.0.455",
+  "version": "2.0.457",
   "main": "build/pdf.js",
   "description": "Generic build of Mozilla's PDF.js library.",
   "keywords": [

web/pdf_viewer.js

@@ -105,12 +105,14 @@ 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.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.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; }; }();
 
 var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
 
+var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"]) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }; }();
+
 var _pdfjsLib = __w_pdfjs_require__(1);
 
 function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
@@ -299,6 +301,25 @@ function roundToDivide(x, div) {
   var r = x % div;
   return r === 0 ? x : Math.round(x - r + div);
 }
+function getPageSizeInches(_ref) {
+  var view = _ref.view,
+      userUnit = _ref.userUnit,
+      rotate = _ref.rotate;
+
+  var _view = _slicedToArray(view, 4),
+      x1 = _view[0],
+      y1 = _view[1],
+      x2 = _view[2],
+      y2 = _view[3];
+
+  var changeOrientation = rotate % 180 !== 0;
+  var width = (x2 - x1) / 72 * userUnit;
+  var height = (y2 - y1) / 72 * userUnit;
+  return {
+    width: changeOrientation ? height : width,
+    height: changeOrientation ? width : height
+  };
+}
 function getVisibleElements(scrollEl, views) {
   var sortByVisibility = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
 
@@ -434,11 +455,11 @@ var WaitOnType = {
   EVENT: 'event',
   TIMEOUT: 'timeout'
 };
-function waitOnEventOrTimeout(_ref) {
-  var target = _ref.target,
-      name = _ref.name,
-      _ref$delay = _ref.delay,
-      delay = _ref$delay === undefined ? 0 : _ref$delay;
+function waitOnEventOrTimeout(_ref2) {
+  var target = _ref2.target,
+      name = _ref2.name,
+      _ref2$delay = _ref2.delay,
+      delay = _ref2$delay === undefined ? 0 : _ref2$delay;
 
   if ((typeof target === 'undefined' ? 'undefined' : _typeof(target)) !== 'object' || !(name && typeof name === 'string') || !(Number.isInteger(delay) && delay >= 0)) {
     return Promise.reject(new Error('waitOnEventOrTimeout - invalid paramaters.'));
@@ -519,10 +540,10 @@ function clamp(v, min, max) {
 
 var ProgressBar = function () {
   function ProgressBar(id) {
-    var _ref2 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
-        height = _ref2.height,
-        width = _ref2.width,
-        units = _ref2.units;
+    var _ref3 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
+        height = _ref3.height,
+        width = _ref3.width,
+        units = _ref3.units;
 
     _classCallCheck(this, ProgressBar);
 
@@ -618,6 +639,7 @@ exports.noContextMenuHandler = noContextMenuHandler;
 exports.parseQueryString = parseQueryString;
 exports.getVisibleElements = getVisibleElements;
 exports.roundToDivide = roundToDivide;
+exports.getPageSizeInches = getPageSizeInches;
 exports.approximateFraction = approximateFraction;
 exports.getOutputScale = getOutputScale;
 exports.scrollIntoView = scrollIntoView;
@@ -3179,8 +3201,8 @@ var _pdf_single_page_viewer = __w_pdfjs_require__(16);
 
 var _pdf_viewer = __w_pdfjs_require__(17);
 
-var pdfjsVersion = '2.0.455';
-var pdfjsBuild = '6cc0efe1';
+var pdfjsVersion = '2.0.457';
+var pdfjsBuild = '5c1a16ba';
 exports.PDFViewer = _pdf_viewer.PDFViewer;
 exports.PDFSinglePageViewer = _pdf_single_page_viewer.PDFSinglePageViewer;
 exports.PDFPageView = _pdf_page_view.PDFPageView;