Merge with upstream

.gitignore

@@ -1,3 +1,5 @@
+*~
 pdf.pdf
 intelisa.pdf
 openweb_tm-PRINT.pdf
+local.mk

Makefile

@@ -0,0 +1,163 @@
+REPO = git@github.com:andreasgal/pdf.js.git
+BUILD_DIR := build
+DEFAULT_BROWSERS := resources/browser_manifests/browser_manifest.json
+DEFAULT_TESTS := test_manifest.json
+
+# Let folks define custom rules for their clones.
+-include local.mk
+
+# JS files needed for pdf.js.
+# This list doesn't account for the 'worker' directory.
+PDF_JS_FILES = \
+	pdf.js \
+	crypto.js \
+	fonts.js \
+	glyphlist.js \
+	$(NULL)
+
+# not sure what to do for all yet
+all: help
+
+# make server
+#
+# This target starts a local web server at localhost:8888. This can be
+# used for testing all browsers.
+server:
+	@cd test; python test.py --port=8888;
+
+test: shell-test browser-test
+
+# make browser-test
+#
+# This target runs in-browser tests using two primary arguments: a
+# test manifest file, and a browser manifest file. Both are simple
+# JSON formats, and examples can be found in the test/ directory. The
+# target will inspect the environment for the PDF_TESTS and
+# PDF_BROWSERS variables, and use those if found. Otherwise, the
+# defaults at the top of this file are used.
+ifeq ($(PDF_TESTS),)
+PDF_TESTS := $(DEFAULT_TESTS)
+endif
+ifeq ($(PDF_BROWSERS),)
+PDF_BROWSERS := $(DEFAULT_BROWSERS)
+endif
+
+browser-test:
+	@if [ ! -f "test/$(PDF_BROWSERS)" ]; then \
+	echo "Browser manifest file $(PDF_BROWSERS) does not exist."; \
+	echo "Try copying one of the examples" \
+              "in test/resources/browser_manifests/"; \
+	exit 1; \
+	fi;
+
+	cd test; \
+	python test.py --reftest \
+	--browserManifestFile=$(PDF_BROWSERS) \
+	--manifestFile=$(PDF_TESTS)
+
+# make shell-test
+#
+# This target runs all of the tests that can be run in a JS shell.
+# The shell used is taken from the JS_SHELL environment variable. If
+# that variable is not defined, the script will attempt to use the copy
+# of Rhino that comes with the Closure compiler used for producing the
+# website.
+SHELL_TARGET = $(NULL)
+ifeq ($(JS_SHELL),)
+JS_SHELL := "java -cp $(BUILD_DIR)/compiler.jar"
+JS_SHELL += "com.google.javascript.jscomp.mozilla.rhino.tools.shell.Main"
+SHELL_TARGET = compiler
+endif
+
+shell-test: shell-msg $(SHELL_TARGET) font-test
+shell-msg:
+ifeq ($(SHELL_TARGET), compiler)
+	@echo "No JS_SHELL env variable present."
+	@echo "The default is to find a copy of Rhino and try that."
+endif
+	@echo "JS shell command is: $(JS_SHELL)"
+
+font-test:
+	@echo "font test stub."
+
+# make lint
+#
+# This target runs the Closure Linter on most of our JS files.
+# To install gjslint, see:
+#
+# <http://code.google.com/closure/utilities/docs/linter_howto.html>
+SRC_DIRS := . utils worker web
+GJSLINT_FILES = $(foreach DIR,$(SRC_DIRS),$(wildcard $(DIR)/*.js))
+lint:
+	gjslint $(GJSLINT_FILES)
+
+# make web
+#
+# This target produces the website for the project, by checking out
+# the gh-pages branch underneath the build directory, and then move
+# the various viewer files into place.
+#
+# TODO: Use the Closure compiler to optimize the pdf.js files.
+#
+GH_PAGES = $(BUILD_DIR)/gh-pages
+web: | compiler pages-repo \
+	$(addprefix $(GH_PAGES)/, $(PDF_JS_FILES)) \
+	$(addprefix $(GH_PAGES)/, $(wildcard web/*.*)) \
+	$(addprefix $(GH_PAGES)/, $(wildcard web/images/*.*))
+
+	@cp $(GH_PAGES)/web/index.html.template $(GH_PAGES)/index.html;
+	@cd $(GH_PAGES); git add -A;
+	@echo "Website built in $(GH_PAGES)."
+
+# make pages-repo
+#
+# This target clones the gh-pages repo into the build directory. It
+# deletes the current contents of the repo, since we overwrite
+# everything with data from the master repo. The 'make web' target
+# then uses 'git add -A' to track additions, modifications, moves,
+# and deletions.
+pages-repo: | $(BUILD_DIR)
+	@if [ ! -d "$(GH_PAGES)" ]; then \
+	git clone -b gh-pages $(REPO) $(GH_PAGES); \
+	rm -rf $(GH_PAGES)/*; \
+	fi;
+	@mkdir -p $(GH_PAGES)/web;
+	@mkdir -p $(GH_PAGES)/web/images;
+
+$(GH_PAGES)/%.js: %.js
+	@cp $< $@
+
+$(GH_PAGES)/web/%: web/%
+	@cp $< $@
+
+$(GH_PAGES)/web/images/%: web/images/%
+	@cp $< $@
+
+# make compiler
+#
+# This target downloads the Closure compiler, and places it in the
+# build directory. This target is also useful when the user doesn't
+# have a JS shell available--we can have them use the Rhino shell that
+# comes with Closure.
+COMPILER_URL = http://closure-compiler.googlecode.com/files/compiler-latest.zip
+
+compiler: $(BUILD_DIR)/compiler.zip
+$(BUILD_DIR)/compiler.zip: | $(BUILD_DIR)
+	curl $(COMPILER_URL) > $(BUILD_DIR)/compiler.zip;
+	cd $(BUILD_DIR); unzip compiler.zip compiler.jar;
+
+# Make sure there's a build directory.
+$(BUILD_DIR):
+	mkdir -p $(BUILD_DIR)
+
+clean:
+	rm -rf $(BUILD_DIR)
+
+# make help
+#
+# This target just prints out a message to read these comments. :)
+help:
+	@echo "Read the comments in the Makefile for guidance.";
+
+.PHONY:: all test browser-test font-test shell-test \
+	shell-msg lint clean web compiler help server

crypto.js

@@ -1,7 +1,7 @@
 /* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- /
 /* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
 
-"use strict";
+'use strict';
 
 var ARCFourCipher = (function() {
   function constructor(key) {
@@ -30,7 +30,7 @@ var ARCFourCipher = (function() {
         a = (a + 1) & 0xFF;
         tmp = s[a];
         b = (b + tmp) & 0xFF;
-        tmp2 = s[b]
+        tmp2 = s[b];
         s[a] = tmp2;
         s[b] = tmp;
         output[i] = data[i] ^ s[(tmp + tmp2) & 0xFF];
@@ -50,18 +50,19 @@ var md5 = (function() {
     5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20,
     4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23,
     6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21]);
+
   var k = new Int32Array([
     -680876936, -389564586, 606105819, -1044525330, -176418897, 1200080426,
     -1473231341, -45705983, 1770035416, -1958414417, -42063, -1990404162,
     1804603682, -40341101, -1502002290, 1236535329, -165796510, -1069501632,
-    643717713, -373897302, -701558691, 38016083, -660478335, -405537848, 568446438,
+    643717713, -373897302, -701558691, 38016083, -660478335, -405537848,
-    -1019803690, -187363961, 1163531501, -1444681467, -51403784, 1735328473,
+    568446438, -1019803690, -187363961, 1163531501, -1444681467, -51403784,
-    -1926607734, -378558, -2022574463, 1839030562, -35309556, -1530992060,
+    1735328473, -1926607734, -378558, -2022574463, 1839030562, -35309556,
-    1272893353, -155497632, -1094730640, 681279174, -358537222, -722521979,
+    -1530992060, 1272893353, -155497632, -1094730640, 681279174, -358537222,
-    76029189, -640364487, -421815835, 530742520, -995338651, -198630844, 1126891415,
+    -722521979, 76029189, -640364487, -421815835, 530742520, -995338651,
-    -1416354905, -57434055, 1700485571, -1894986606, -1051523, -2054922799,
+    -198630844, 1126891415, -1416354905, -57434055, 1700485571, -1894986606,
-    1873313359, -30611744, -1560198380, 1309151649, -145523070, -1120210379,
+    -1051523, -2054922799, 1873313359, -30611744, -1560198380, 1309151649,
-    718787259, -343485551]);
+    -145523070, -1120210379, 718787259, -343485551]);
 
   function hash(data, offset, length) {
     var h0 = 1732584193, h1 = -271733879, h2 = -1732584194, h3 = 271733878;
@@ -87,8 +88,10 @@ var md5 = (function() {
     // TODO ArrayBuffer ?
     var w = new Int32Array(16);
     for (i = 0; i < paddedLength;) {
-      for (j = 0; j < 16; ++j, i += 4)
+      for (j = 0; j < 16; ++j, i += 4) {
-        w[j] = padded[i] | (padded[i + 1] << 8) | (padded[i + 2] << 16) | (padded[i + 3] << 24);
+        w[j] = (padded[i] | (padded[i + 1] << 8) |
+                (padded[i + 2] << 16) | (padded[i + 3] << 24));
+      }
       var a = h0, b = h1, c = h2, d = h3, f, g;
       for (j = 0; j < 64; ++j) {
         if (j < 16) {
@@ -131,7 +134,7 @@ var CipherTransform = (function() {
     this.streamCipherConstructor = streamCipherConstructor;
   }
   constructor.prototype = {
-    createStream: function (stream) {
+    createStream: function(stream) {
       var cipher = new this.streamCipherConstructor();
       return new DecryptStream(stream, function(data) {
         return cipher.encryptBlock(data);
@@ -139,19 +142,22 @@ var CipherTransform = (function() {
     },
     decryptString: function(s) {
       var cipher = new this.stringCipherConstructor();
-      var data = string2bytes(s);
+      var data = stringToBytes(s);
       data = cipher.encryptBlock(data);
-      return bytes2string(data);
+      return bytesToString(data);
     }
   };
   return constructor;
 })();
 
 var CipherTransformFactory = (function() {
-  function prepareKeyData(fileId, password, ownerPassword, userPassword, flags, revision, keyLength) {
+  function prepareKeyData(fileId, password, ownerPassword, userPassword,
+                          flags, revision, keyLength) {
     var defaultPasswordBytes = new Uint8Array([
-      0x28, 0xBF, 0x4E, 0x5E, 0x4E, 0x75, 0x8A, 0x41, 0x64, 0x00, 0x4E, 0x56, 0xFF, 0xFA, 0x01, 0x08, 
+      0x28, 0xBF, 0x4E, 0x5E, 0x4E, 0x75, 0x8A, 0x41,
-      0x2E, 0x2E, 0x00, 0xB6, 0xD0, 0x68, 0x3E, 0x80, 0x2F, 0x0C, 0xA9, 0xFE, 0x64, 0x53, 0x69, 0x7A]);
+      0x64, 0x00, 0x4E, 0x56, 0xFF, 0xFA, 0x01, 0x08,
+      0x2E, 0x2E, 0x00, 0xB6, 0xD0, 0x68, 0x3E, 0x80,
+      0x2F, 0x0C, 0xA9, 0xFE, 0x64, 0x53, 0x69, 0x7A]);
     var hashData = new Uint8Array(88), i = 0, j, n;
     if (password) {
       n = Math.min(32, password.length);
@@ -183,9 +189,10 @@ var CipherTransformFactory = (function() {
     var cipher, checkData;
 
     if (revision >= 3) {
-      // padded password in hashData, we can use this array for user password check
+      // padded password in hashData, we can use this array for user
+      // password check
       i = 32;
-      for(j = 0, n = fileId.length; j < n; ++j)
+      for (j = 0, n = fileId.length; j < n; ++j)
         hashData[i++] = fileId[j];
       cipher = new ARCFourCipher(encryptionKey);
       var checkData = cipher.encryptBlock(md5(hashData, 0, i));
@@ -203,37 +210,38 @@ var CipherTransformFactory = (function() {
     }
     for (j = 0, n = checkData.length; j < n; ++j) {
       if (userPassword[j] != checkData[j])
-        error("incorrect password");
+        error('incorrect password');
     }
     return encryptionKey;
   }
 
   function constructor(dict, fileId, password) {
-    var filter = dict.get("Filter");
+    var filter = dict.get('Filter');
-    if (!IsName(filter) || filter.name != "Standard")
+    if (!IsName(filter) || filter.name != 'Standard')
-      error("unknown encryption method");
+      error('unknown encryption method');
     this.dict = dict;
-    var algorithm = dict.get("V");
+    var algorithm = dict.get('V');
     if (!IsInt(algorithm) ||
       (algorithm != 1 && algorithm != 2))
-      error("unsupported encryption algorithm");
+      error('unsupported encryption algorithm');
     // TODO support algorithm 4
-    var keyLength = dict.get("Length") || 40;
+    var keyLength = dict.get('Length') || 40;
     if (!IsInt(keyLength) ||
       keyLength < 40 || (keyLength % 8) != 0)
-      error("invalid key length");
+      error('invalid key length');
     // prepare keys
-    var ownerPassword = stringToBytes(dict.get("O"));
+    var ownerPassword = stringToBytes(dict.get('O'));
-    var userPassword = stringToBytes(dict.get("U"));
+    var userPassword = stringToBytes(dict.get('U'));
-    var flags = dict.get("P");
+    var flags = dict.get('P');
-    var revision = dict.get("R");
+    var revision = dict.get('R');
     var fileIdBytes = stringToBytes(fileId);
     var passwordBytes;
     if (password)
       passwordBytes = stringToBytes(password);
 
     this.encryptionKey = prepareKeyData(fileIdBytes, passwordBytes,
-                                        ownerPassword, userPassword, flags, revision, keyLength);
+                                        ownerPassword, userPassword,
+                                        flags, revision, keyLength);
   }
 
   constructor.prototype = {

glyphlist.js

@@ -1,7 +1,7 @@
 /* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- /
 /* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
 
-"use strict";
+'use strict';
 
 var GlyphsUnicode = {
   A: 0x0041,
@@ -2474,8 +2474,8 @@ var GlyphsUnicode = {
   lameddageshhebrew: 0xFB3C,
   lamedhebrew: 0x05DC,
   lamedholam: 0x05DC05B9,
-  lamedholamdagesh: "05DC 05B9 05BC",
+  lamedholamdagesh: '05DC 05B9 05BC',
-  lamedholamdageshhebrew: "05DC 05B9 05BC",
+  lamedholamdageshhebrew: '05DC 05B9 05BC',
   lamedholamhebrew: 0x05DC05B9,
   lamfinalarabic: 0xFEDE,
   lamhahinitialarabic: 0xFCCA,
@@ -2486,8 +2486,8 @@ var GlyphsUnicode = {
   lammedialarabic: 0xFEE0,
   lammeemhahinitialarabic: 0xFD88,
   lammeeminitialarabic: 0xFCCC,
-  lammeemjeeminitialarabic: "FEDF FEE4 FEA0",
+  lammeemjeeminitialarabic: 'FEDF FEE4 FEA0',
-  lammeemkhahinitialarabic: "FEDF FEE4 FEA8",
+  lammeemkhahinitialarabic: 'FEDF FEE4 FEA8',
   largecircle: 0x25EF,
   lbar: 0x019A,
   lbelt: 0x026C,
@@ -3250,7 +3250,7 @@ var GlyphsUnicode = {
   reharmenian: 0x0580,
   rehfinalarabic: 0xFEAE,
   rehiragana: 0x308C,
-  rehyehaleflamarabic: "0631 FEF3 FE8E 0644",
+  rehyehaleflamarabic: '0631 FEF3 FE8E 0644',
   rekatakana: 0x30EC,
   rekatakanahalfwidth: 0xFF9A,
   resh: 0x05E8,

multi_page_viewer.css

@@ -1,230 +0,0 @@
-/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- /
-/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
-
-body {
-  background-color: #929292;
-  font-family: 'Lucida Grande', 'Lucida Sans Unicode', Helvetica, Arial, Verdana, sans-serif;
-  margin: 0px;
-  padding: 0px;
-}
-
-canvas {
-  box-shadow: 0px 4px 10px #000;
-  -moz-box-shadow: 0px 4px 10px #000;
-  -webkit-box-shadow: 0px 4px 10px #000;
-}
-
-span {
-  font-size: 0.8em;
-}
-
-.control {
-  display: inline-block;
-  float: left;
-  margin: 0px 20px 0px 0px;
-  padding: 0px 4px 0px 0px;
-}
-
-.control > input {
-  float: left;
-  border: 1px solid #4d4d4d;
-  height: 20px;
-  padding: 0px;
-  margin: 0px 2px 0px 0px;
-  border-radius: 4px;
-  -moz-border-radius: 4px;
-  -webkit-border-radius: 4px;
-  box-shadow: 0px 1px 0px rgba(255, 255, 255, 0.25);
-  -moz-box-shadow: 0px 1px 0px rgba(255, 255, 255, 0.25);
-  -webkit-box-shadow: 0px 1px 0px rgba(255, 255, 255, 0.25);
-}
-
-.control > select {
-  float: left;
-  border: 1px solid #4d4d4d;
-  height: 22px;
-  padding: 2px 0px 0px;
-  margin: 0px 0px 1px;
-  border-radius: 4px;
-  -moz-border-radius: 4px;
-  -webkit-border-radius: 4px;
-  box-shadow: 0px 1px 0px rgba(255, 255, 255, 0.25);
-  -moz-box-shadow: 0px 1px 0px rgba(255, 255, 255, 0.25);
-  -webkit-box-shadow: 0px 1px 0px rgba(255, 255, 255, 0.25);
-}
-
-.control > span {
-  cursor: default;
-  float: left;
-  height: 18px;
-  margin: 5px 2px 0px;
-  padding: 0px;
-  user-select: none;
-  -moz-user-select: none;
-  -webkit-user-select: none;
-}
-
-.control .label {
-  clear: both;
-  float: left;
-  font-size: 0.65em;
-  margin: 2px 0px 0px;
-  position: relative;
-  text-align: center;
-  width: 100%;
-}
-
-.thumbnailPageNumber {
-  color: #fff;
-  font-size: 0.55em;
-  text-align: right;
-  margin: -6px 2px 6px 0px;
-  width: 102px;
-}
-
-.thumbnail {
-  width: 104px;
-  height: 134px;
-  margin: 0px auto 10px;
-}
-
-.page {
-  width: 816px;
-  height: 1056px;
-  margin: 10px auto;
-}
-
-#controls {
-  background-color: #eee;
-  border-bottom: 1px solid #666;
-  padding: 4px 0px 0px 8px;
-  position: fixed;
-  left: 0px;
-  top: 0px;
-  height: 40px;
-  width: 100%;
-  box-shadow: 0px 2px 8px #000;
-  -moz-box-shadow: 0px 2px 8px #000;
-  -webkit-box-shadow: 0px 2px 8px #000;
-}
-
-#controls input {
-  user-select: text;
-  -moz-user-select: text;
-  -webkit-user-select: text;
-}
-
-#previousPageButton {
-  background: url('images/buttons.png') no-repeat 0px -23px;
-  cursor: default;
-  display: inline-block;
-  float: left;
-  margin: 0px;
-  width: 28px;
-  height: 23px;
-}
-
-#previousPageButton.down {
-  background: url('images/buttons.png') no-repeat 0px -46px;
-}
-
-#previousPageButton.disabled {
-  background: url('images/buttons.png') no-repeat 0px 0px;
-}
-
-#nextPageButton {
-  background: url('images/buttons.png') no-repeat -28px -23px;
-  cursor: default;
-  display: inline-block;
-  float: left;
-  margin: 0px;
-  width: 28px;
-  height: 23px;
-}
-
-#nextPageButton.down {
-  background: url('images/buttons.png') no-repeat -28px -46px;
-}
-
-#nextPageButton.disabled {
-  background: url('images/buttons.png') no-repeat -28px 0px;
-}
-
-#openFileButton {
-  background: url('images/buttons.png') no-repeat -56px -23px;
-  cursor: default;
-  display: inline-block;
-  float: left;
-  margin: 0px 0px 0px 3px;
-  width: 29px;
-  height: 23px;
-}
-
-#openFileButton.down {
-  background: url('images/buttons.png') no-repeat -56px -46px;
-}
-
-#openFileButton.disabled {
-  background: url('images/buttons.png') no-repeat -56px 0px;
-}
-
-#fileInput {
-  display: none;
-}
-
-#pageNumber {
-  text-align: right;
-}
-
-#sidebar {
-  position: fixed;
-  width: 200px;
-  top: 62px;
-  bottom: 18px;
-  left: -140px;
-  transition: left 0.25s ease-in-out 1s;
-  -moz-transition: left 0.25s ease-in-out 1s;
-  -webkit-transition: left 0.25s ease-in-out 1s;
-}
-
-#sidebar:hover {
-  left: 0px;
-  transition: left 0.25s ease-in-out 0s;
-  -moz-transition: left 0.25s ease-in-out 0s;
-  -webkit-transition: left 0.25s ease-in-out 0s;
-}
-
-#sidebarBox {
-  background-color: rgba(0, 0, 0, 0.7);
-  width: 150px;
-  height: 100%;
-  border-top-right-radius: 8px;
-  border-bottom-right-radius: 8px;
-  -moz-border-radius-topright: 8px;
-  -moz-border-radius-bottomright: 8px;
-  -webkit-border-top-right-radius: 8px;
-  -webkit-border-bottom-right-radius: 8px;
-  box-shadow: 0px 2px 8px #000;
-  -moz-box-shadow: 0px 2px 8px #000;
-  -webkit-box-shadow: 0px 2px 8px #000;
-}
-
-#sidebarScrollView {
-  position: absolute;
-  overflow: hidden;
-  overflow-y: auto;
-  top: 10px;
-  bottom: 10px;
-  left: 10px;
-  width: 130px;
-}
-
-#sidebarContentView {
-  height: auto;
-  width: 100px;
-}
-
-#viewer {
-  margin: 44px 0px 0px;
-  padding: 8px 0px;
-}

test/driver.js

@@ -0,0 +1,209 @@
+/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- /
+/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
+
+/*
+ * A Test Driver for PDF.js
+ */
+
+var appPath, browser, canvas, currentTaskIdx, manifest, stdout;
+
+function queryParams() {
+    var qs = window.location.search.substring(1);
+    var kvs = qs.split("&");
+    var params = { };
+    for (var i = 0; i < kvs.length; ++i) {
+        var kv = kvs[i].split("=");
+        params[unescape(kv[0])] = unescape(kv[1]);
+    }
+    return params;
+}
+
+function load() {
+    var params = queryParams();
+    browser = params.browser;
+    manifestFile = params.manifestFile;
+    appPath = params.path;
+
+    canvas = document.createElement("canvas");
+    canvas.mozOpaque = true;
+    stdout = document.getElementById("stdout");
+
+    log("load...\n");
+
+    log("Harness thinks this browser is '"+ browser + "' with path " + appPath + "\n");
+    log("Fetching manifest "+ manifestFile +"...");
+
+    var r = new XMLHttpRequest();
+    r.open("GET", manifestFile, false);
+    r.onreadystatechange = function(e) {
+        if (r.readyState == 4) {
+            log("done\n");
+            manifest = JSON.parse(r.responseText);
+            currentTaskIdx = 0, nextTask();
+        }
+    };
+    r.send(null);
+}
+window.onload = load;
+
+function nextTask() {
+    if (currentTaskIdx == manifest.length) {
+        return done();
+    }
+    var task = manifest[currentTaskIdx];
+    task.round = 0;
+
+    log("Loading file "+ task.file +"\n");
+
+    var r = new XMLHttpRequest();
+    r.open("GET", task.file);
+    r.mozResponseType = r.responseType = "arraybuffer";
+    r.onreadystatechange = function() {
+        var failure;
+        if (r.readyState == 4) {
+            var data = r.mozResponseArrayBuffer || r.mozResponse ||
+                r.responseArrayBuffer || r.response;
+
+            try {
+                task.pdfDoc = new PDFDoc(new Stream(data));
+            } catch(e) {
+                failure = 'load PDF doc: '+ e.toString();
+            }
+
+            task.pageNum = 1, nextPage(task, failure);
+        }
+    };
+    r.send(null);
+}
+
+function isLastPage(task) {
+    return (task.pdfDoc && (task.pageNum > task.pdfDoc.numPages));
+}
+
+function nextPage(task, loadError) {
+    if (isLastPage(task)) {
+	      if (++task.round < task.rounds) {
+	          log("  Round "+ (1 + task.round) +"\n");
+	          task.pageNum = 1;
+	      } else {
+	          ++currentTaskIdx, nextTask();
+	          return;
+        }
+    }
+
+    var failure = loadError || '';
+
+    var ctx = null;
+    var page = null;
+    if (!failure) {
+        try {
+            log("    loading page "+ task.pageNum +"... ");
+            ctx = canvas.getContext("2d");
+            page = task.pdfDoc.getPage(task.pageNum);
+
+            var pdfToCssUnitsCoef = 96.0 / 72.0;
+            // using mediaBox for the canvas size
+            var pageWidth = (page.mediaBox[2] - page.mediaBox[0]);
+            var pageHeight = (page.mediaBox[3] - page.mediaBox[1]);
+            canvas.width = pageWidth * pdfToCssUnitsCoef;
+            canvas.height = pageHeight * pdfToCssUnitsCoef;
+            clear(ctx);
+
+            page.startRendering(
+              ctx,
+              function() { snapshotCurrentPage(page, task, failure); });
+        } catch(e) {
+            failure = 'page setup: '+ e.toString();
+        }
+    }
+
+    if (failure) {
+        // Skip right to snapshotting if there was a failure, since the
+        // fonts might be in an inconsistent state.
+        snapshotCurrentPage(page, task, failure);
+    }
+}
+
+function snapshotCurrentPage(page, task, failure) {
+    log("done, snapshotting... ");
+
+    sendTaskResult(canvas.toDataURL("image/png"), task, failure);
+    log("done"+ (failure ? " (failed!: "+ failure +")" : "") +"\n");
+
+    // Set up the next request
+    backoff = (inFlightRequests > 0) ? inFlightRequests * 10 : 0;
+    setTimeout(function() {
+        ++task.pageNum, nextPage(task);
+    },
+    backoff
+  );
+}
+
+function sendQuitRequest() {
+  var r = new XMLHttpRequest();
+  r.open("POST", "/tellMeToQuit?path=" + escape(appPath), false);
+  r.send("");
+}
+
+function quitApp() {
+  log("Done!");
+  document.body.innerHTML = "Tests are finished.  <h1>CLOSE ME!</h1>";
+  if (window.SpecialPowers) {
+    SpecialPowers.quitApplication();
+  } else {
+    sendQuitRequest();
+    window.close();
+  }
+}
+
+function done() {
+  if (inFlightRequests > 0) {
+    document.getElementById("inFlightCount").innerHTML = inFlightRequests;
+    setTimeout(done, 100);
+  } else {
+    setTimeout(quitApp, 100);
+  }
+}
+
+var inFlightRequests = 0;
+function sendTaskResult(snapshot, task, failure) {
+  var result = { browser: browser,
+                 id: task.id,
+                 numPages: task.pdfDoc.numPages,
+                 failure: failure,
+                 file: task.file,
+                 round: task.round,
+                 page: task.pageNum,
+                 snapshot: snapshot };
+
+  var r = new XMLHttpRequest();
+  // (The POST URI is ignored atm.)
+  r.open("POST", "/submit_task_results", true);
+  r.setRequestHeader("Content-Type", "application/json");
+  r.onreadystatechange = function(e) {
+    if (r.readyState == 4) {
+      inFlightRequests--;
+    }
+  }
+  document.getElementById("inFlightCount").innerHTML = inFlightRequests++;
+  r.send(JSON.stringify(result));
+}
+
+function clear(ctx) {
+  ctx.save();
+  ctx.fillStyle = "rgb(255, 255, 255)";
+  ctx.fillRect(0, 0, canvas.width, canvas.height);
+  ctx.restore();
+}
+
+/* Auto-scroll if the scrollbar is near the bottom, otherwise do nothing. */
+function checkScrolling() {
+  if ((stdout.scrollHeight - stdout.scrollTop) <= stdout.offsetHeight) {
+    stdout.scrollTop = stdout.scrollHeight;
+  }
+}
+
+function log(str) {
+  stdout.innerHTML += str;
+  checkScrolling();
+}

test/pdfs/DiwanProfile.pdf.link

@@ -0,0 +1 @@
+http://oannis.com/DiwanProfile.pdf

test/pdfs/asciihexdecode.pdf

@@ -0,0 +1,55 @@
+%PDF-1.0
+1 0 obj
+<<
+	/Pages 2 0 R
+	/Type /Catalog
+>>
+endobj
+2 0 obj
+<<
+	/Count 1
+	/Kids [ 3 0 R ]
+	/Type /Pages
+>>
+endobj
+3 0 obj
+<<
+	/MediaBox [ 0 0 795 842 ]
+	/Parent 2 0 R
+	/Contents 4 0 R
+	/Resources <<
+		/Font <<
+			/F1 <<
+				/Name /F1
+				/BaseFont /Helvetica
+				/Subtype /Type1
+				/Type /Font
+			>>
+		>>
+	>>
+	/Type /Page
+>>
+endobj
+4 0 obj
+<<
+	/Filter /ASCIIHexDecode
+	/Length 111
+>>stream