PDF.js version 1.8.203 - See mozilla/pdf.js@f6d4de989883a63469ff28a7851af6b874e35243

bower.json

@@ -1,6 +1,6 @@
 {
   "name": "pdfjs-dist",
-  "version": "1.8.201",
+  "version": "1.8.203",
   "main": [
     "build/pdf.js",
     "build/pdf.worker.js"

build/pdf.combined.js

@@ -592,10 +592,10 @@ function readUint32(data, offset) {
   return (data[offset] << 24 | data[offset + 1] << 16 | data[offset + 2] << 8 | data[offset + 3]) >>> 0;
 }
 function isLittleEndian() {
-  var buffer8 = new Uint8Array(2);
+  var buffer8 = new Uint8Array(4);
   buffer8[0] = 1;
-  var buffer16 = new Uint16Array(buffer8.buffer);
-  return buffer16[0] === 1;
+  var view32 = new Uint32Array(buffer8.buffer, 0, 1);
+  return view32[0] === 1;
 }
 function isEvalSupported() {
   try {
@@ -605,41 +605,6 @@ function isEvalSupported() {
     return false;
   }
 }
-var Uint32ArrayView = function Uint32ArrayViewClosure() {
-  function Uint32ArrayView(buffer, length) {
-    this.buffer = buffer;
-    this.byteLength = buffer.length;
-    this.length = length === undefined ? this.byteLength >> 2 : length;
-    ensureUint32ArrayViewProps(this.length);
-  }
-  Uint32ArrayView.prototype = Object.create(null);
-  var uint32ArrayViewSetters = 0;
-  function createUint32ArrayProp(index) {
-    return {
-      get: function () {
-        var buffer = this.buffer,
-            offset = index << 2;
-        return (buffer[offset] | buffer[offset + 1] << 8 | buffer[offset + 2] << 16 | buffer[offset + 3] << 24) >>> 0;
-      },
-      set: function (value) {
-        var buffer = this.buffer,
-            offset = index << 2;
-        buffer[offset] = value & 255;
-        buffer[offset + 1] = value >> 8 & 255;
-        buffer[offset + 2] = value >> 16 & 255;
-        buffer[offset + 3] = value >>> 24 & 255;
-      }
-    };
-  }
-  function ensureUint32ArrayViewProps(length) {
-    while (uint32ArrayViewSetters < length) {
-      Object.defineProperty(Uint32ArrayView.prototype, uint32ArrayViewSetters, createUint32ArrayProp(uint32ArrayViewSetters));
-      uint32ArrayViewSetters++;
-    }
-  }
-  return Uint32ArrayView;
-}();
-exports.Uint32ArrayView = Uint32ArrayView;
 var IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0];
 var Util = function UtilClosure() {
   function Util() {}
@@ -3267,14 +3232,6 @@ var RenderingCancelledException = function RenderingCancelledException() {
   RenderingCancelledException.constructor = RenderingCancelledException;
   return RenderingCancelledException;
 }();
-var hasCanvasTypedArrays;
-hasCanvasTypedArrays = function hasCanvasTypedArrays() {
-  var canvas = document.createElement('canvas');
-  canvas.width = canvas.height = 1;
-  var ctx = canvas.getContext('2d');
-  var imageData = ctx.createImageData(1, 1);
-  return typeof imageData.data.buffer !== 'undefined';
-};
 var LinkTarget = {
   NONE: 0,
   SELF: 1,
@@ -3389,7 +3346,6 @@ exports.isValidUrl = isValidUrl;
 exports.getFilenameFromUrl = getFilenameFromUrl;
 exports.LinkTarget = LinkTarget;
 exports.RenderingCancelledException = RenderingCancelledException;
-exports.hasCanvasTypedArrays = hasCanvasTypedArrays;
 exports.getDefaultSetting = getDefaultSetting;
 exports.DEFAULT_LINK_REL = DEFAULT_LINK_REL;
 exports.DOMCanvasFactory = DOMCanvasFactory;
@@ -12778,8 +12734,8 @@ var _UnsupportedManager = function UnsupportedManagerClosure() {
     }
   };
 }();
-exports.version = '1.8.201';
-exports.build = '5feb2a25';
+exports.version = '1.8.203';
+exports.build = 'f6d4de98';
 exports.getDocument = getDocument;
 exports.PDFDataRangeTransport = PDFDataRangeTransport;
 exports.PDFWorker = PDFWorker;
@@ -28040,8 +27996,8 @@ if (!globalScope.PDFJS) {
   globalScope.PDFJS = {};
 }
 var PDFJS = globalScope.PDFJS;
-PDFJS.version = '1.8.201';
-PDFJS.build = '5feb2a25';
+PDFJS.version = '1.8.203';
+PDFJS.build = 'f6d4de98';
 PDFJS.pdfBug = false;
 if (PDFJS.verbosity !== undefined) {
   sharedUtil.setVerbosityLevel(PDFJS.verbosity);
@@ -28127,13 +28083,7 @@ if (savedOpenExternalLinksInNewWindow) {
 PDFJS.getDocument = displayAPI.getDocument;
 PDFJS.PDFDataRangeTransport = displayAPI.PDFDataRangeTransport;
 PDFJS.PDFWorker = displayAPI.PDFWorker;
-Object.defineProperty(PDFJS, 'hasCanvasTypedArrays', {
-  configurable: true,
-  get: function PDFJS_hasCanvasTypedArrays() {
-    var value = displayDOMUtils.hasCanvasTypedArrays();
-    return sharedUtil.shadow(PDFJS, 'hasCanvasTypedArrays', value);
-  }
-});
+PDFJS.hasCanvasTypedArrays = true;
 PDFJS.CustomStyle = displayDOMUtils.CustomStyle;
 PDFJS.LinkTarget = LinkTarget;
 PDFJS.addLinkAttributes = displayDOMUtils.addLinkAttributes;
@@ -38860,7 +38810,6 @@ exports.getMetrics = getMetrics;
 
 
 var sharedUtil = __w_pdfjs_require__(0);
-var Uint32ArrayView = sharedUtil.Uint32ArrayView;
 var MurmurHash3_64 = function MurmurHash3_64Closure(seed) {
   var MASK_HIGH = 0xffff0000;
   var MASK_LOW = 0xffff;
@@ -38869,15 +38818,8 @@ var MurmurHash3_64 = function MurmurHash3_64Closure(seed) {
     this.h1 = seed ? seed & 0xffffffff : SEED;
     this.h2 = seed ? seed & 0xffffffff : SEED;
   }
-  var alwaysUseUint32ArrayView = false;
-  try {
-    new Uint32Array(new Uint8Array(5).buffer, 0, 1);
-  } catch (e) {
-    alwaysUseUint32ArrayView = true;
-  }
   MurmurHash3_64.prototype = {
     update: function MurmurHash3_64_update(input) {
-      var useUint32ArrayView = alwaysUseUint32ArrayView;
       var i;
       if (typeof input === 'string') {
         var data = new Uint8Array(input.length * 2);
@@ -38891,19 +38833,15 @@ var MurmurHash3_64 = function MurmurHash3_64Closure(seed) {
             data[length++] = code & 0xff;
           }
         }
-      } else if (input instanceof Uint8Array) {
-        data = input;
-        length = data.length;
-      } else if (typeof input === 'object' && 'length' in input) {
+      } else if (typeof input === 'object' && 'byteLength' in input) {
         data = input;
-        length = data.length;
-        useUint32ArrayView = true;
+        length = data.byteLength;
       } else {
         throw new Error('Wrong data format in MurmurHash3_64_update. ' + 'Input must be a string or array.');
       }
       var blockCounts = length >> 2;
       var tailLength = length - blockCounts * 4;
-      var dataUint32 = useUint32ArrayView ? new Uint32ArrayView(data, blockCounts) : new Uint32Array(data.buffer, 0, blockCounts);
+      var dataUint32 = new Uint32Array(data.buffer, 0, blockCounts);
       var k1 = 0;
       var k2 = 0;
       var h1 = this.h1;
@@ -41200,7 +41138,6 @@ var IDENTITY_MATRIX = sharedUtil.IDENTITY_MATRIX;
 var ImageKind = sharedUtil.ImageKind;
 var OPS = sharedUtil.OPS;
 var TextRenderingMode = sharedUtil.TextRenderingMode;
-var Uint32ArrayView = sharedUtil.Uint32ArrayView;
 var Util = sharedUtil.Util;
 var assert = sharedUtil.assert;
 var info = sharedUtil.info;
@@ -41213,7 +41150,6 @@ var warn = sharedUtil.warn;
 var TilingPattern = displayPatternHelper.TilingPattern;
 var getShadingPatternFromIR = displayPatternHelper.getShadingPatternFromIR;
 var WebGLUtils = displayWebGL.WebGLUtils;
-var hasCanvasTypedArrays = displayDOMUtils.hasCanvasTypedArrays;
 var MIN_FONT_SIZE = 16;
 var MAX_FONT_SIZE = 100;
 var MAX_GROUP_SIZE = 4096;
@@ -41221,11 +41157,6 @@ var MIN_WIDTH_FACTOR = 0.65;
 var COMPILE_TYPE3_GLYPHS = true;
 var MAX_SIZE_TO_COMPILE = 1000;
 var FULL_CHUNK_HEIGHT = 16;
-var HasCanvasTypedArraysCached = {
-  get value() {
-    return shadow(HasCanvasTypedArraysCached, 'value', hasCanvasTypedArrays());
-  }
-};
 var IsLittleEndianCached = {
   get value() {
     return shadow(IsLittleEndianCached, 'value', isLittleEndian());
@@ -41560,11 +41491,11 @@ var CanvasGraphics = function CanvasGraphicsClosure() {
     var i, j, thisChunkHeight, elemsInThisChunk;
     if (imgData.kind === ImageKind.GRAYSCALE_1BPP) {
       var srcLength = src.byteLength;
-      var dest32 = HasCanvasTypedArraysCached.value ? new Uint32Array(dest.buffer) : new Uint32ArrayView(dest);
+      var dest32 = new Uint32Array(dest.buffer, 0, dest.byteLength >> 2);
       var dest32DataLength = dest32.length;
       var fullSrcDiff = width + 7 >> 3;
       var white = 0xFFFFFFFF;
-      var black = IsLittleEndianCached.value || !HasCanvasTypedArraysCached.value ? 0xFF000000 : 0x000000FF;
+      var black = IsLittleEndianCached.value ? 0xFF000000 : 0x000000FF;
       for (i = 0; i < totalChunks; i++) {
         thisChunkHeight = i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight;
         destPos = 0;
@@ -43578,8 +43509,8 @@ exports.TilingPattern = TilingPattern;
 "use strict";
 
 
-var pdfjsVersion = '1.8.201';
-var pdfjsBuild = '5feb2a25';
+var pdfjsVersion = '1.8.203';
+var pdfjsBuild = 'f6d4de98';
 var pdfjsSharedUtil = __w_pdfjs_require__(0);
 var pdfjsDisplayGlobal = __w_pdfjs_require__(26);
 var pdfjsDisplayAPI = __w_pdfjs_require__(10);
@@ -43665,6 +43596,37 @@ if (typeof PDFJS === 'undefined' || !PDFJS.compatibilityChecked) {
         this[offset] = array[i] & 0xFF;
       }
     }
+    function Uint32ArrayView(buffer, length) {
+      this.buffer = buffer;
+      this.byteLength = buffer.length;
+      this.length = length;
+      ensureUint32ArrayViewProps(this.length);
+    }
+    Uint32ArrayView.prototype = Object.create(null);
+    var uint32ArrayViewSetters = 0;
+    function createUint32ArrayProp(index) {
+      return {
+        get: function () {
+          var buffer = this.buffer,
+              offset = index << 2;
+          return (buffer[offset] | buffer[offset + 1] << 8 | buffer[offset + 2] << 16 | buffer[offset + 3] << 24) >>> 0;
+        },
+        set: function (value) {
+          var buffer = this.buffer,
+              offset = index << 2;
+          buffer[offset] = value & 255;
+          buffer[offset + 1] = value >> 8 & 255;
+          buffer[offset + 2] = value >> 16 & 255;
+          buffer[offset + 3] = value >>> 24 & 255;
+        }
+      };
+    }
+    function ensureUint32ArrayViewProps(length) {
+      while (uint32ArrayViewSetters < length) {
+        Object.defineProperty(Uint32ArrayView.prototype, uint32ArrayViewSetters, createUint32ArrayProp(uint32ArrayViewSetters));
+        uint32ArrayViewSetters++;
+      }
+    }
     function TypedArray(arg1) {
       var result, i, n;
       if (typeof arg1 === 'number') {
@@ -43691,11 +43653,42 @@ if (typeof PDFJS === 'undefined' || !PDFJS.compatibilityChecked) {
     }
     globalScope.Uint8Array = TypedArray;
     globalScope.Int8Array = TypedArray;
-    globalScope.Uint32Array = TypedArray;
     globalScope.Int32Array = TypedArray;
     globalScope.Uint16Array = TypedArray;
     globalScope.Float32Array = TypedArray;
     globalScope.Float64Array = TypedArray;
+    globalScope.Uint32Array = function () {
+      if (arguments.length === 3) {
+        if (arguments[1] !== 0) {
+          throw new Error('offset !== 0 is not supported');
+        }
+        return new Uint32ArrayView(arguments[0], arguments[2]);
+      }
+      return TypedArray.apply(this, arguments);
+    };
+  })();
+  (function canvasPixelArrayBuffer() {
+    if (!hasDOM || !window.CanvasPixelArray) {
+      return;
+    }
+    var cpaProto = window.CanvasPixelArray.prototype;
+    if ('buffer' in cpaProto) {
+      return;
+    }
+    Object.defineProperty(cpaProto, 'buffer', {
+      get: function () {
+        return this;
+      },
+      enumerable: false,
+      configurable: true
+    });
+    Object.defineProperty(cpaProto, 'byteLength', {
+      get: function () {
+        return this.length;
+      },
+      enumerable: false,
+      configurable: true
+    });
   })();
   (function normalizeURLObject() {
     if (!globalScope.URL) {

build/pdf.js

@@ -592,10 +592,10 @@ function readUint32(data, offset) {
   return (data[offset] << 24 | data[offset + 1] << 16 | data[offset + 2] << 8 | data[offset + 3]) >>> 0;
 }
 function isLittleEndian() {
-  var buffer8 = new Uint8Array(2);
+  var buffer8 = new Uint8Array(4);
   buffer8[0] = 1;
-  var buffer16 = new Uint16Array(buffer8.buffer);
-  return buffer16[0] === 1;
+  var view32 = new Uint32Array(buffer8.buffer, 0, 1);
+  return view32[0] === 1;
 }
 function isEvalSupported() {
   try {
@@ -605,41 +605,6 @@ function isEvalSupported() {
     return false;
   }
 }
-var Uint32ArrayView = function Uint32ArrayViewClosure() {
-  function Uint32ArrayView(buffer, length) {
-    this.buffer = buffer;
-    this.byteLength = buffer.length;
-    this.length = length === undefined ? this.byteLength >> 2 : length;
-    ensureUint32ArrayViewProps(this.length);
-  }
-  Uint32ArrayView.prototype = Object.create(null);
-  var uint32ArrayViewSetters = 0;
-  function createUint32ArrayProp(index) {
-    return {
-      get: function () {
-        var buffer = this.buffer,
-            offset = index << 2;
-        return (buffer[offset] | buffer[offset + 1] << 8 | buffer[offset + 2] << 16 | buffer[offset + 3] << 24) >>> 0;
-      },
-      set: function (value) {
-        var buffer = this.buffer,
-            offset = index << 2;
-        buffer[offset] = value & 255;
-        buffer[offset + 1] = value >> 8 & 255;
-        buffer[offset + 2] = value >> 16 & 255;
-        buffer[offset + 3] = value >>> 24 & 255;
-      }
-    };
-  }
-  function ensureUint32ArrayViewProps(length) {
-    while (uint32ArrayViewSetters < length) {
-      Object.defineProperty(Uint32ArrayView.prototype, uint32ArrayViewSetters, createUint32ArrayProp(uint32ArrayViewSetters));
-      uint32ArrayViewSetters++;
-    }
-  }
-  return Uint32ArrayView;
-}();
-exports.Uint32ArrayView = Uint32ArrayView;
 var IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0];
 var Util = function UtilClosure() {
   function Util() {}
@@ -1337,14 +1302,6 @@ var RenderingCancelledException = function RenderingCancelledException() {
   RenderingCancelledException.constructor = RenderingCancelledException;
   return RenderingCancelledException;
 }();
-var hasCanvasTypedArrays;
-hasCanvasTypedArrays = function hasCanvasTypedArrays() {
-  var canvas = document.createElement('canvas');
-  canvas.width = canvas.height = 1;
-  var ctx = canvas.getContext('2d');
-  var imageData = ctx.createImageData(1, 1);
-  return typeof imageData.data.buffer !== 'undefined';
-};
 var LinkTarget = {
   NONE: 0,
   SELF: 1,
@@ -1459,7 +1416,6 @@ exports.isValidUrl = isValidUrl;
 exports.getFilenameFromUrl = getFilenameFromUrl;
 exports.LinkTarget = LinkTarget;
 exports.RenderingCancelledException = RenderingCancelledException;
-exports.hasCanvasTypedArrays = hasCanvasTypedArrays;
 exports.getDefaultSetting = getDefaultSetting;
 exports.DEFAULT_LINK_REL = DEFAULT_LINK_REL;
 exports.DOMCanvasFactory = DOMCanvasFactory;
@@ -3492,8 +3448,8 @@ var _UnsupportedManager = function UnsupportedManagerClosure() {
     }
   };
 }();
-exports.version = '1.8.201';
-exports.build = '5feb2a25';
+exports.version = '1.8.203';
+exports.build = 'f6d4de98';
 exports.getDocument = getDocument;
 exports.PDFDataRangeTransport = PDFDataRangeTransport;
 exports.PDFWorker = PDFWorker;
@@ -5432,8 +5388,8 @@ if (!globalScope.PDFJS) {
   globalScope.PDFJS = {};
 }
 var PDFJS = globalScope.PDFJS;
-PDFJS.version = '1.8.201';
-PDFJS.build = '5feb2a25';
+PDFJS.version = '1.8.203';
+PDFJS.build = 'f6d4de98';
 PDFJS.pdfBug = false;
 if (PDFJS.verbosity !== undefined) {
   sharedUtil.setVerbosityLevel(PDFJS.verbosity);
@@ -5519,13 +5475,7 @@ if (savedOpenExternalLinksInNewWindow) {
 PDFJS.getDocument = displayAPI.getDocument;
 PDFJS.PDFDataRangeTransport = displayAPI.PDFDataRangeTransport;
 PDFJS.PDFWorker = displayAPI.PDFWorker;
-Object.defineProperty(PDFJS, 'hasCanvasTypedArrays', {
-  configurable: true,
-  get: function PDFJS_hasCanvasTypedArrays() {
-    var value = displayDOMUtils.hasCanvasTypedArrays();
-    return sharedUtil.shadow(PDFJS, 'hasCanvasTypedArrays', value);
-  }
-});
+PDFJS.hasCanvasTypedArrays = true;
 PDFJS.CustomStyle = displayDOMUtils.CustomStyle;
 PDFJS.LinkTarget = LinkTarget;
 PDFJS.addLinkAttributes = displayDOMUtils.addLinkAttributes;
@@ -5556,7 +5506,6 @@ var IDENTITY_MATRIX = sharedUtil.IDENTITY_MATRIX;
 var ImageKind = sharedUtil.ImageKind;
 var OPS = sharedUtil.OPS;
 var TextRenderingMode = sharedUtil.TextRenderingMode;
-var Uint32ArrayView = sharedUtil.Uint32ArrayView;
 var Util = sharedUtil.Util;
 var assert = sharedUtil.assert;
 var info = sharedUtil.info;
@@ -5569,7 +5518,6 @@ var warn = sharedUtil.warn;
 var TilingPattern = displayPatternHelper.TilingPattern;
 var getShadingPatternFromIR = displayPatternHelper.getShadingPatternFromIR;
 var WebGLUtils = displayWebGL.WebGLUtils;
-var hasCanvasTypedArrays = displayDOMUtils.hasCanvasTypedArrays;
 var MIN_FONT_SIZE = 16;
 var MAX_FONT_SIZE = 100;
 var MAX_GROUP_SIZE = 4096;
@@ -5577,11 +5525,6 @@ var MIN_WIDTH_FACTOR = 0.65;
 var COMPILE_TYPE3_GLYPHS = true;
 var MAX_SIZE_TO_COMPILE = 1000;
 var FULL_CHUNK_HEIGHT = 16;
-var HasCanvasTypedArraysCached = {
-  get value() {
-    return shadow(HasCanvasTypedArraysCached, 'value', hasCanvasTypedArrays());
-  }
-};
 var IsLittleEndianCached = {
   get value() {
     return shadow(IsLittleEndianCached, 'value', isLittleEndian());
@@ -5916,11 +5859,11 @@ var CanvasGraphics = function CanvasGraphicsClosure() {
     var i, j, thisChunkHeight, elemsInThisChunk;
     if (imgData.kind === ImageKind.GRAYSCALE_1BPP) {
       var srcLength = src.byteLength;
-      var dest32 = HasCanvasTypedArraysCached.value ? new Uint32Array(dest.buffer) : new Uint32ArrayView(dest);
+      var dest32 = new Uint32Array(dest.buffer, 0, dest.byteLength >> 2);
       var dest32DataLength = dest32.length;
       var fullSrcDiff = width + 7 >> 3;
       var white = 0xFFFFFFFF;
-      var black = IsLittleEndianCached.value || !HasCanvasTypedArraysCached.value ? 0xFF000000 : 0x000000FF;
+      var black = IsLittleEndianCached.value ? 0xFF000000 : 0x000000FF;
       for (i = 0; i < totalChunks; i++) {
         thisChunkHeight = i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight;
         destPos = 0;
@@ -7934,8 +7877,8 @@ exports.TilingPattern = TilingPattern;
 "use strict";
 
 
-var pdfjsVersion = '1.8.201';
-var pdfjsBuild = '5feb2a25';
+var pdfjsVersion = '1.8.203';
+var pdfjsBuild = 'f6d4de98';
 var pdfjsSharedUtil = __w_pdfjs_require__(0);
 var pdfjsDisplayGlobal = __w_pdfjs_require__(9);
 var pdfjsDisplayAPI = __w_pdfjs_require__(3);
@@ -8021,6 +7964,37 @@ if (typeof PDFJS === 'undefined' || !PDFJS.compatibilityChecked) {
         this[offset] = array[i] & 0xFF;
       }
     }
+    function Uint32ArrayView(buffer, length) {
+      this.buffer = buffer;
+      this.byteLength = buffer.length;
+      this.length = length;
+      ensureUint32ArrayViewProps(this.length);
+    }
+    Uint32ArrayView.prototype = Object.create(null);
+    var uint32ArrayViewSetters = 0;
+    function createUint32ArrayProp(index) {
+      return {
+        get: function () {
+          var buffer = this.buffer,
+              offset = index << 2;
+          return (buffer[offset] | buffer[offset + 1] << 8 | buffer[offset + 2] << 16 | buffer[offset + 3] << 24) >>> 0;
+        },
+        set: function (value) {
+          var buffer = this.buffer,
+              offset = index << 2;
+          buffer[offset] = value & 255;
+          buffer[offset + 1] = value >> 8 & 255;
+          buffer[offset + 2] = value >> 16 & 255;
+          buffer[offset + 3] = value >>> 24 & 255;
+        }
+      };
+    }
+    function ensureUint32ArrayViewProps(length) {
+      while (uint32ArrayViewSetters < length) {
+        Object.defineProperty(Uint32ArrayView.prototype, uint32ArrayViewSetters, createUint32ArrayProp(uint32ArrayViewSetters));
+        uint32ArrayViewSetters++;
+      }
+    }
     function TypedArray(arg1) {
       var result, i, n;
       if (typeof arg1 === 'number') {
@@ -8047,11 +8021,42 @@ if (typeof PDFJS === 'undefined' || !PDFJS.compatibilityChecked) {
     }
     globalScope.Uint8Array = TypedArray;
     globalScope.Int8Array = TypedArray;
-    globalScope.Uint32Array = TypedArray;
     globalScope.Int32Array = TypedArray;
     globalScope.Uint16Array = TypedArray;
     globalScope.Float32Array = TypedArray;
     globalScope.Float64Array = TypedArray;
+    globalScope.Uint32Array = function () {
+      if (arguments.length === 3) {
+        if (arguments[1] !== 0) {
+          throw new Error('offset !== 0 is not supported');
+        }
+        return new Uint32ArrayView(arguments[0], arguments[2]);
+      }
+      return TypedArray.apply(this, arguments);
+    };
+  })();
+  (function canvasPixelArrayBuffer() {
+    if (!hasDOM || !window.CanvasPixelArray) {
+      return;
+    }
+    var cpaProto = window.CanvasPixelArray.prototype;
+    if ('buffer' in cpaProto) {
+      return;
+    }
+    Object.defineProperty(cpaProto, 'buffer', {
+      get: function () {
+        return this;
+      },
+      enumerable: false,
+      configurable: true
+    });
+    Object.defineProperty(cpaProto, 'byteLength', {
+      get: function () {
+        return this.length;
+      },
+      enumerable: false,
+      configurable: true
+    });
   })();
   (function normalizeURLObject() {
     if (!globalScope.URL) {

build/pdf.worker.js

@@ -592,10 +592,10 @@ function readUint32(data, offset) {
   return (data[offset] << 24 | data[offset + 1] << 16 | data[offset + 2] << 8 | data[offset + 3]) >>> 0;
 }
 function isLittleEndian() {
-  var buffer8 = new Uint8Array(2);
+  var buffer8 = new Uint8Array(4);
   buffer8[0] = 1;
-  var buffer16 = new Uint16Array(buffer8.buffer);
-  return buffer16[0] === 1;
+  var view32 = new Uint32Array(buffer8.buffer, 0, 1);
+  return view32[0] === 1;
 }
 function isEvalSupported() {
   try {
@@ -605,41 +605,6 @@ function isEvalSupported() {
     return false;
   }
 }
-var Uint32ArrayView = function Uint32ArrayViewClosure() {
-  function Uint32ArrayView(buffer, length) {
-    this.buffer = buffer;
-    this.byteLength = buffer.length;
-    this.length = length === undefined ? this.byteLength >> 2 : length;
-    ensureUint32ArrayViewProps(this.length);
-  }
-  Uint32ArrayView.prototype = Object.create(null);
-  var uint32ArrayViewSetters = 0;
-  function createUint32ArrayProp(index) {
-    return {
-      get: function () {
-        var buffer = this.buffer,
-            offset = index << 2;
-        return (buffer[offset] | buffer[offset + 1] << 8 | buffer[offset + 2] << 16 | buffer[offset + 3] << 24) >>> 0;
-      },
-      set: function (value) {
-        var buffer = this.buffer,
-            offset = index << 2;
-        buffer[offset] = value & 255;
-        buffer[offset + 1] = value >> 8 & 255;
-        buffer[offset + 2] = value >> 16 & 255;
-        buffer[offset + 3] = value >>> 24 & 255;
-      }
-    };
-  }
-  function ensureUint32ArrayViewProps(length) {
-    while (uint32ArrayViewSetters < length) {
-      Object.defineProperty(Uint32ArrayView.prototype, uint32ArrayViewSetters, createUint32ArrayProp(uint32ArrayViewSetters));
-      uint32ArrayViewSetters++;
-    }
-  }
-  return Uint32ArrayView;
-}();
-exports.Uint32ArrayView = Uint32ArrayView;
 var IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0];
 var Util = function UtilClosure() {
   function Util() {}
@@ -35148,7 +35113,6 @@ exports.getMetrics = getMetrics;
 
 
 var sharedUtil = __w_pdfjs_require__(0);
-var Uint32ArrayView = sharedUtil.Uint32ArrayView;
 var MurmurHash3_64 = function MurmurHash3_64Closure(seed) {
   var MASK_HIGH = 0xffff0000;
   var MASK_LOW = 0xffff;
@@ -35157,15 +35121,8 @@ var MurmurHash3_64 = function MurmurHash3_64Closure(seed) {
     this.h1 = seed ? seed & 0xffffffff : SEED;
     this.h2 = seed ? seed & 0xffffffff : SEED;
   }
-  var alwaysUseUint32ArrayView = false;
-  try {
-    new Uint32Array(new Uint8Array(5).buffer, 0, 1);
-  } catch (e) {
-    alwaysUseUint32ArrayView = true;
-  }
   MurmurHash3_64.prototype = {
     update: function MurmurHash3_64_update(input) {
-      var useUint32ArrayView = alwaysUseUint32ArrayView;
       var i;
       if (typeof input === 'string') {
         var data = new Uint8Array(input.length * 2);
@@ -35179,19 +35136,15 @@ var MurmurHash3_64 = function MurmurHash3_64Closure(seed) {
             data[length++] = code & 0xff;
           }
         }
-      } else if (input instanceof Uint8Array) {
-        data = input;
-        length = data.length;
-      } else if (typeof input === 'object' && 'length' in input) {
+      } else if (typeof input === 'object' && 'byteLength' in input) {
         data = input;
-        length = data.length;
-        useUint32ArrayView = true;
+        length = data.byteLength;
       } else {
         throw new Error('Wrong data format in MurmurHash3_64_update. ' + 'Input must be a string or array.');
       }
       var blockCounts = length >> 2;
       var tailLength = length - blockCounts * 4;
-      var dataUint32 = useUint32ArrayView ? new Uint32ArrayView(data, blockCounts) : new Uint32Array(data.buffer, 0, blockCounts);
+      var dataUint32 = new Uint32Array(data.buffer, 0, blockCounts);
       var k1 = 0;
       var k2 = 0;
       var h1 = this.h1;
@@ -36985,8 +36938,8 @@ exports.Type1Parser = Type1Parser;
 "use strict";
 
 
-var pdfjsVersion = '1.8.201';
-var pdfjsBuild = '5feb2a25';
+var pdfjsVersion = '1.8.203';
+var pdfjsBuild = 'f6d4de98';
 var pdfjsCoreWorker = __w_pdfjs_require__(8);
 {
   __w_pdfjs_require__(19);
@@ -37044,6 +36997,37 @@ if (typeof PDFJS === 'undefined' || !PDFJS.compatibilityChecked) {
         this[offset] = array[i] & 0xFF;
       }
     }
+    function Uint32ArrayView(buffer, length) {
+      this.buffer = buffer;
+      this.byteLength = buffer.length;
+      this.length = length;
+      ensureUint32ArrayViewProps(this.length);
+    }
+    Uint32ArrayView.prototype = Object.create(null);
+    var uint32ArrayViewSetters = 0;
+    function createUint32ArrayProp(index) {
+      return {
+        get: function () {
+          var buffer = this.buffer,
+              offset = index << 2;
+          return (buffer[offset] | buffer[offset + 1] << 8 | buffer[offset + 2] << 16 | buffer[offset + 3] << 24) >>> 0;
+        },
+        set: function (value) {
+          var buffer = this.buffer,
+              offset = index << 2;
+          buffer[offset] = value & 255;
+          buffer[offset + 1] = value >> 8 & 255;
+          buffer[offset + 2] = value >> 16 & 255;
+          buffer[offset + 3] = value >>> 24 & 255;
+        }
+      };
+    }
+    function ensureUint32ArrayViewProps(length) {
+      while (uint32ArrayViewSetters < length) {
+        Object.defineProperty(Uint32ArrayView.prototype, uint32ArrayViewSetters, createUint32ArrayProp(uint32ArrayViewSetters));
+        uint32ArrayViewSetters++;
+      }
+    }
     function TypedArray(arg1) {
       var result, i, n;
       if (typeof arg1 === 'number') {
@@ -37070,11 +37054,42 @@ if (typeof PDFJS === 'undefined' || !PDFJS.compatibilityChecked) {
     }
     globalScope.Uint8Array = TypedArray;
     globalScope.Int8Array = TypedArray;
-    globalScope.Uint32Array = TypedArray;
     globalScope.Int32Array = TypedArray;
     globalScope.Uint16Array = TypedArray;
     globalScope.Float32Array = TypedArray;
     globalScope.Float64Array = TypedArray;
+    globalScope.Uint32Array = function () {
+      if (arguments.length === 3) {
+        if (arguments[1] !== 0) {
+          throw new Error('offset !== 0 is not supported');
+        }
+        return new Uint32ArrayView(arguments[0], arguments[2]);
+      }
+      return TypedArray.apply(this, arguments);
+    };
+  })();
+  (function canvasPixelArrayBuffer() {
+    if (!hasDOM || !window.CanvasPixelArray) {
+      return;
+    }
+    var cpaProto = window.CanvasPixelArray.prototype;
+    if ('buffer' in cpaProto) {
+      return;
+    }
+    Object.defineProperty(cpaProto, 'buffer', {
+      get: function () {
+        return this;
+      },
+      enumerable: false,
+      configurable: true
+    });
+    Object.defineProperty(cpaProto, 'byteLength', {
+      get: function () {
+        return this.length;
+      },
+      enumerable: false,
+      configurable: true
+    });
   })();
   (function normalizeURLObject() {
     if (!globalScope.URL) {

lib/core/murmurhash3.js

@@ -15,7 +15,6 @@
 'use strict';
 
 var sharedUtil = require('../shared/util.js');
-var Uint32ArrayView = sharedUtil.Uint32ArrayView;
 var MurmurHash3_64 = function MurmurHash3_64Closure(seed) {
   var MASK_HIGH = 0xffff0000;
   var MASK_LOW = 0xffff;
@@ -24,15 +23,8 @@ var MurmurHash3_64 = function MurmurHash3_64Closure(seed) {
     this.h1 = seed ? seed & 0xffffffff : SEED;
     this.h2 = seed ? seed & 0xffffffff : SEED;
   }
-  var alwaysUseUint32ArrayView = false;
-  try {
-    new Uint32Array(new Uint8Array(5).buffer, 0, 1);
-  } catch (e) {
-    alwaysUseUint32ArrayView = true;
-  }
   MurmurHash3_64.prototype = {
     update: function MurmurHash3_64_update(input) {
-      var useUint32ArrayView = alwaysUseUint32ArrayView;
       var i;
       if (typeof input === 'string') {
         var data = new Uint8Array(input.length * 2);
@@ -46,19 +38,15 @@ var MurmurHash3_64 = function MurmurHash3_64Closure(seed) {
             data[length++] = code & 0xff;
           }
         }
-      } else if (input instanceof Uint8Array) {
-        data = input;
-        length = data.length;
-      } else if (typeof input === 'object' && 'length' in input) {
+      } else if (typeof input === 'object' && 'byteLength' in input) {
         data = input;
-        length = data.length;
-        useUint32ArrayView = true;
+        length = data.byteLength;
       } else {
         throw new Error('Wrong data format in MurmurHash3_64_update. ' + 'Input must be a string or array.');
       }
       var blockCounts = length >> 2;
       var tailLength = length - blockCounts * 4;
-      var dataUint32 = useUint32ArrayView ? new Uint32ArrayView(data, blockCounts) : new Uint32Array(data.buffer, 0, blockCounts);
+      var dataUint32 = new Uint32Array(data.buffer, 0, blockCounts);
       var k1 = 0;
       var k2 = 0;
       var h1 = this.h1;

lib/display/api.js

@@ -1379,8 +1379,8 @@ var _UnsupportedManager = function UnsupportedManagerClosure() {
     }
   };
 }();
-exports.version = '1.8.201';
-exports.build = '5feb2a25';
+exports.version = '1.8.203';
+exports.build = 'f6d4de98';
 exports.getDocument = getDocument;
 exports.PDFDataRangeTransport = PDFDataRangeTransport;
 exports.PDFWorker = PDFWorker;

lib/display/canvas.js

@@ -23,7 +23,6 @@ var IDENTITY_MATRIX = sharedUtil.IDENTITY_MATRIX;
 var ImageKind = sharedUtil.ImageKind;
 var OPS = sharedUtil.OPS;
 var TextRenderingMode = sharedUtil.TextRenderingMode;
-var Uint32ArrayView = sharedUtil.Uint32ArrayView;
 var Util = sharedUtil.Util;
 var assert = sharedUtil.assert;
 var info = sharedUtil.info;
@@ -36,7 +35,6 @@ var warn = sharedUtil.warn;
 var TilingPattern = displayPatternHelper.TilingPattern;
 var getShadingPatternFromIR = displayPatternHelper.getShadingPatternFromIR;
 var WebGLUtils = displayWebGL.WebGLUtils;
-var hasCanvasTypedArrays = displayDOMUtils.hasCanvasTypedArrays;
 var MIN_FONT_SIZE = 16;
 var MAX_FONT_SIZE = 100;
 var MAX_GROUP_SIZE = 4096;
@@ -44,11 +42,6 @@ var MIN_WIDTH_FACTOR = 0.65;
 var COMPILE_TYPE3_GLYPHS = true;
 var MAX_SIZE_TO_COMPILE = 1000;
 var FULL_CHUNK_HEIGHT = 16;
-var HasCanvasTypedArraysCached = {
-  get value() {
-    return shadow(HasCanvasTypedArraysCached, 'value', hasCanvasTypedArrays());
-  }
-};
 var IsLittleEndianCached = {
   get value() {
     return shadow(IsLittleEndianCached, 'value', isLittleEndian());
@@ -383,11 +376,11 @@ var CanvasGraphics = function CanvasGraphicsClosure() {
     var i, j, thisChunkHeight, elemsInThisChunk;
     if (imgData.kind === ImageKind.GRAYSCALE_1BPP) {
       var srcLength = src.byteLength;
-      var dest32 = HasCanvasTypedArraysCached.value ? new Uint32Array(dest.buffer) : new Uint32ArrayView(dest);
+      var dest32 = new Uint32Array(dest.buffer, 0, dest.byteLength >> 2);
       var dest32DataLength = dest32.length;
       var fullSrcDiff = width + 7 >> 3;
       var white = 0xFFFFFFFF;
-      var black = IsLittleEndianCached.value || !HasCanvasTypedArraysCached.value ? 0xFF000000 : 0x000000FF;
+      var black = IsLittleEndianCached.value ? 0xFF000000 : 0x000000FF;
       for (i = 0; i < totalChunks; i++) {
         thisChunkHeight = i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight;
         destPos = 0;

lib/display/dom_utils.js

@@ -137,14 +137,6 @@ var RenderingCancelledException = function RenderingCancelledException() {
   RenderingCancelledException.constructor = RenderingCancelledException;
   return RenderingCancelledException;
 }();
-var hasCanvasTypedArrays;
-hasCanvasTypedArrays = function hasCanvasTypedArrays() {
-  var canvas = document.createElement('canvas');
-  canvas.width = canvas.height = 1;
-  var ctx = canvas.getContext('2d');
-  var imageData = ctx.createImageData(1, 1);
-  return typeof imageData.data.buffer !== 'undefined';
-};
 var LinkTarget = {
   NONE: 0,
   SELF: 1,
@@ -259,7 +251,6 @@ exports.isValidUrl = isValidUrl;
 exports.getFilenameFromUrl = getFilenameFromUrl;
 exports.LinkTarget = LinkTarget;
 exports.RenderingCancelledException = RenderingCancelledException;
-exports.hasCanvasTypedArrays = hasCanvasTypedArrays;
 exports.getDefaultSetting = getDefaultSetting;
 exports.DEFAULT_LINK_REL = DEFAULT_LINK_REL;
 exports.DOMCanvasFactory = DOMCanvasFactory;

lib/display/global.js

@@ -31,8 +31,8 @@ if (!globalScope.PDFJS) {
   globalScope.PDFJS = {};
 }
 var PDFJS = globalScope.PDFJS;
-PDFJS.version = '1.8.201';
-PDFJS.build = '5feb2a25';
+PDFJS.version = '1.8.203';
+PDFJS.build = 'f6d4de98';
 PDFJS.pdfBug = false;
 if (PDFJS.verbosity !== undefined) {
   sharedUtil.setVerbosityLevel(PDFJS.verbosity);
@@ -118,13 +118,7 @@ if (savedOpenExternalLinksInNewWindow) {
 PDFJS.getDocument = displayAPI.getDocument;
 PDFJS.PDFDataRangeTransport = displayAPI.PDFDataRangeTransport;
 PDFJS.PDFWorker = displayAPI.PDFWorker;
-Object.defineProperty(PDFJS, 'hasCanvasTypedArrays', {
-  configurable: true,
-  get: function PDFJS_hasCanvasTypedArrays() {
-    var value = displayDOMUtils.hasCanvasTypedArrays();
-    return sharedUtil.shadow(PDFJS, 'hasCanvasTypedArrays', value);
-  }
-});
+PDFJS.hasCanvasTypedArrays = true;
 PDFJS.CustomStyle = displayDOMUtils.CustomStyle;
 PDFJS.LinkTarget = LinkTarget;
 PDFJS.addLinkAttributes = displayDOMUtils.addLinkAttributes;

lib/pdf.js

@@ -14,8 +14,8 @@
  */
 'use strict';
 
-var pdfjsVersion = '1.8.201';
-var pdfjsBuild = '5feb2a25';
+var pdfjsVersion = '1.8.203';
+var pdfjsBuild = 'f6d4de98';
 var pdfjsSharedUtil = require('./shared/util.js');
 var pdfjsDisplayGlobal = require('./display/global.js');
 var pdfjsDisplayAPI = require('./display/api.js');

lib/pdf.worker.js

@@ -14,8 +14,8 @@
  */
 'use strict';
 
-var pdfjsVersion = '1.8.201';
-var pdfjsBuild = '5feb2a25';
+var pdfjsVersion = '1.8.203';
+var pdfjsBuild = 'f6d4de98';
 var pdfjsCoreWorker = require('./core/worker.js');
 {
   require('./core/network.js');

lib/shared/compatibility.js

@@ -58,6 +58,37 @@ if (typeof PDFJS === 'undefined' || !PDFJS.compatibilityChecked) {
         this[offset] = array[i] & 0xFF;
       }
     }
+    function Uint32ArrayView(buffer, length) {
+      this.buffer = buffer;
+      this.byteLength = buffer.length;
+      this.length = length;
+      ensureUint32ArrayViewProps(this.length);
+    }
+    Uint32ArrayView.prototype = Object.create(null);
+    var uint32ArrayViewSetters = 0;
+    function createUint32ArrayProp(index) {
+      return {
+        get: function () {
+          var buffer = this.buffer,
+              offset = index << 2;
+          return (buffer[offset] | buffer[offset + 1] << 8 | buffer[offset + 2] << 16 | buffer[offset + 3] << 24) >>> 0;
+        },
+        set: function (value) {
+          var buffer = this.buffer,
+              offset = index << 2;
+          buffer[offset] = value & 255;
+          buffer[offset + 1] = value >> 8 & 255;
+          buffer[offset + 2] = value >> 16 & 255;
+          buffer[offset + 3] = value >>> 24 & 255;
+        }
+      };
+    }
+    function ensureUint32ArrayViewProps(length) {
+      while (uint32ArrayViewSetters < length) {
+        Object.defineProperty(Uint32ArrayView.prototype, uint32ArrayViewSetters, createUint32ArrayProp(uint32ArrayViewSetters));
+        uint32ArrayViewSetters++;
+      }
+    }
     function TypedArray(arg1) {
       var result, i, n;
       if (typeof arg1 === 'number') {
@@ -84,11 +115,42 @@ if (typeof PDFJS === 'undefined' || !PDFJS.compatibilityChecked) {
     }
     globalScope.Uint8Array = TypedArray;
     globalScope.Int8Array = TypedArray;
-    globalScope.Uint32Array = TypedArray;
     globalScope.Int32Array = TypedArray;
     globalScope.Uint16Array = TypedArray;
     globalScope.Float32Array = TypedArray;
     globalScope.Float64Array = TypedArray;
+    globalScope.Uint32Array = function () {
+      if (arguments.length === 3) {
+        if (arguments[1] !== 0) {
+          throw new Error('offset !== 0 is not supported');
+        }
+        return new Uint32ArrayView(arguments[0], arguments[2]);
+      }
+      return TypedArray.apply(this, arguments);
+    };
+  })();
+  (function canvasPixelArrayBuffer() {
+    if (!hasDOM || !window.CanvasPixelArray) {
+      return;
+    }
+    var cpaProto = window.CanvasPixelArray.prototype;
+    if ('buffer' in cpaProto) {
+      return;
+    }
+    Object.defineProperty(cpaProto, 'buffer', {
+      get: function () {
+        return this;
+      },
+      enumerable: false,
+      configurable: true
+    });
+    Object.defineProperty(cpaProto, 'byteLength', {
+      get: function () {
+        return this.length;
+      },
+      enumerable: false,
+      configurable: true
+    });
   })();
   (function normalizeURLObject() {
     if (!globalScope.URL) {

lib/shared/util.js

@@ -508,10 +508,10 @@ function readUint32(data, offset) {
   return (data[offset] << 24 | data[offset + 1] << 16 | data[offset + 2] << 8 | data[offset + 3]) >>> 0;
 }
 function isLittleEndian() {
-  var buffer8 = new Uint8Array(2);
+  var buffer8 = new Uint8Array(4);
   buffer8[0] = 1;
-  var buffer16 = new Uint16Array(buffer8.buffer);
-  return buffer16[0] === 1;
+  var view32 = new Uint32Array(buffer8.buffer, 0, 1);
+  return view32[0] === 1;
 }
 function isEvalSupported() {
   try {
@@ -521,41 +521,6 @@ function isEvalSupported() {
     return false;
   }
 }
-var Uint32ArrayView = function Uint32ArrayViewClosure() {
-  function Uint32ArrayView(buffer, length) {
-    this.buffer = buffer;
-    this.byteLength = buffer.length;
-    this.length = length === undefined ? this.byteLength >> 2 : length;
-    ensureUint32ArrayViewProps(this.length);
-  }
-  Uint32ArrayView.prototype = Object.create(null);
-  var uint32ArrayViewSetters = 0;
-  function createUint32ArrayProp(index) {
-    return {
-      get: function () {
-        var buffer = this.buffer,
-            offset = index << 2;
-        return (buffer[offset] | buffer[offset + 1] << 8 | buffer[offset + 2] << 16 | buffer[offset + 3] << 24) >>> 0;
-      },
-      set: function (value) {
-        var buffer = this.buffer,
-            offset = index << 2;
-        buffer[offset] = value & 255;
-        buffer[offset + 1] = value >> 8 & 255;
-        buffer[offset + 2] = value >> 16 & 255;
-        buffer[offset + 3] = value >>> 24 & 255;
-      }
-    };
-  }
-  function ensureUint32ArrayViewProps(length) {
-    while (uint32ArrayViewSetters < length) {
-      Object.defineProperty(Uint32ArrayView.prototype, uint32ArrayViewSetters, createUint32ArrayProp(uint32ArrayViewSetters));
-      uint32ArrayViewSetters++;
-    }
-  }
-  return Uint32ArrayView;
-}();
-exports.Uint32ArrayView = Uint32ArrayView;
 var IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0];
 var Util = function UtilClosure() {
   function Util() {}

lib/test/unit/murmurhash3_spec.js

@@ -40,7 +40,7 @@ describe('MurmurHash3_64', function () {
   });
   it('correctly generates a hash from a Uint32Array', function () {
     var hash = new MurmurHash3_64();
-    hash.update(new Uint32Array(sourceCharCodes));
+    hash.update(new Uint32Array(new Uint8Array(sourceCharCodes).buffer));
     expect(hash.hexdigest()).toEqual(hexDigestExpected);
   });
   it('changes the hash after update without seed', function () {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "pdfjs-dist",
-  "version": "1.8.201",
+  "version": "1.8.203",
   "main": "build/pdf.js",
   "description": "Generic build of Mozilla's PDF.js library.",
   "keywords": [

web/compatibility.js

@@ -142,6 +142,37 @@ if (typeof PDFJS === 'undefined' || !PDFJS.compatibilityChecked) {
         this[offset] = array[i] & 0xFF;
       }
     }
+    function Uint32ArrayView(buffer, length) {
+      this.buffer = buffer;
+      this.byteLength = buffer.length;
+      this.length = length;
+      ensureUint32ArrayViewProps(this.length);
+    }
+    Uint32ArrayView.prototype = Object.create(null);
+    var uint32ArrayViewSetters = 0;
+    function createUint32ArrayProp(index) {
+      return {
+        get: function () {
+          var buffer = this.buffer,
+              offset = index << 2;
+          return (buffer[offset] | buffer[offset + 1] << 8 | buffer[offset + 2] << 16 | buffer[offset + 3] << 24) >>> 0;
+        },
+        set: function (value) {
+          var buffer = this.buffer,
+              offset = index << 2;
+          buffer[offset] = value & 255;
+          buffer[offset + 1] = value >> 8 & 255;
+          buffer[offset + 2] = value >> 16 & 255;
+          buffer[offset + 3] = value >>> 24 & 255;
+        }
+      };
+    }
+    function ensureUint32ArrayViewProps(length) {
+      while (uint32ArrayViewSetters < length) {
+        Object.defineProperty(Uint32ArrayView.prototype, uint32ArrayViewSetters, createUint32ArrayProp(uint32ArrayViewSetters));
+        uint32ArrayViewSetters++;
+      }
+    }
     function TypedArray(arg1) {
       var result, i, n;
       if (typeof arg1 === 'number') {
@@ -168,11 +199,42 @@ if (typeof PDFJS === 'undefined' || !PDFJS.compatibilityChecked) {
     }
     globalScope.Uint8Array = TypedArray;
     globalScope.Int8Array = TypedArray;
-    globalScope.Uint32Array = TypedArray;
     globalScope.Int32Array = TypedArray;
     globalScope.Uint16Array = TypedArray;
     globalScope.Float32Array = TypedArray;
     globalScope.Float64Array = TypedArray;
+    globalScope.Uint32Array = function () {
+      if (arguments.length === 3) {
+        if (arguments[1] !== 0) {
+          throw new Error('offset !== 0 is not supported');
+        }
+        return new Uint32ArrayView(arguments[0], arguments[2]);
+      }
+      return TypedArray.apply(this, arguments);
+    };
+  })();
+  (function canvasPixelArrayBuffer() {
+    if (!hasDOM || !window.CanvasPixelArray) {
+      return;
+    }
+    var cpaProto = window.CanvasPixelArray.prototype;
+    if ('buffer' in cpaProto) {
+      return;
+    }
+    Object.defineProperty(cpaProto, 'buffer', {
+      get: function () {
+        return this;
+      },
+      enumerable: false,
+      configurable: true
+    });
+    Object.defineProperty(cpaProto, 'byteLength', {
+      get: function () {
+        return this.length;
+      },
+      enumerable: false,
+      configurable: true
+    });
   })();
   (function normalizeURLObject() {
     if (!globalScope.URL) {