From b5dee56f9de3ce8e0845112980c71a5c3347ef2d Mon Sep 17 00:00:00 2001
From: Yury Delendik <ydelendik@mozilla.com>
Date: Mon, 22 Sep 2014 16:29:06 -0500
Subject: [PATCH] PDF.js version 1.0.456

---
 bower.json            |  2 +-
 build/pdf.combined.js | 12 ++++++++++--
 build/pdf.js          | 12 ++++++++++--
 build/pdf.worker.js   |  4 ++--
 package.json          |  2 +-
 5 files changed, 24 insertions(+), 8 deletions(-)

diff --git a/bower.json b/bower.json
index b6943c5d5..9887775ae 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "pdfjs-dist",
-  "version": "1.0.454",
+  "version": "1.0.456",
   "keywords": [
     "Mozilla",
     "pdf",
diff --git a/build/pdf.combined.js b/build/pdf.combined.js
index 3ac77ed98..7186dc8ae 100644
--- a/build/pdf.combined.js
+++ b/build/pdf.combined.js
@@ -21,8 +21,8 @@ if (typeof PDFJS === 'undefined') {
   (typeof window !== 'undefined' ? window : this).PDFJS = {};
 }
 
-PDFJS.version = '1.0.454';
-PDFJS.build = 'e97efaa';
+PDFJS.version = '1.0.456';
+PDFJS.build = 'a7800c2';
 
 (function pdfjsWrapper() {
   // Use strict in our context only - users might not want it
@@ -5497,6 +5497,14 @@ var WebGLUtils = (function WebGLUtilsClosure() {
   }
 
   function cleanup() {
+    if (smaskCache && smaskCache.canvas) {
+      smaskCache.canvas.width = 0;
+      smaskCache.canvas.height = 0;
+    }
+    if (figuresCache && figuresCache.canvas) {
+      figuresCache.canvas.width = 0;
+      figuresCache.canvas.height = 0;
+    }
     smaskCache = null;
     figuresCache = null;
   }
diff --git a/build/pdf.js b/build/pdf.js
index a58c7c2af..b20884c4c 100644
--- a/build/pdf.js
+++ b/build/pdf.js
@@ -21,8 +21,8 @@ if (typeof PDFJS === 'undefined') {
   (typeof window !== 'undefined' ? window : this).PDFJS = {};
 }
 
-PDFJS.version = '1.0.454';
-PDFJS.build = 'e97efaa';
+PDFJS.version = '1.0.456';
+PDFJS.build = 'a7800c2';
 
 (function pdfjsWrapper() {
   // Use strict in our context only - users might not want it
@@ -5541,6 +5541,14 @@ var WebGLUtils = (function WebGLUtilsClosure() {
   }
 
   function cleanup() {
+    if (smaskCache && smaskCache.canvas) {
+      smaskCache.canvas.width = 0;
+      smaskCache.canvas.height = 0;
+    }
+    if (figuresCache && figuresCache.canvas) {
+      figuresCache.canvas.width = 0;
+      figuresCache.canvas.height = 0;
+    }
     smaskCache = null;
     figuresCache = null;
   }
diff --git a/build/pdf.worker.js b/build/pdf.worker.js
index f6b2eab93..df3915e3e 100644
--- a/build/pdf.worker.js
+++ b/build/pdf.worker.js
@@ -21,8 +21,8 @@ if (typeof PDFJS === 'undefined') {
   (typeof window !== 'undefined' ? window : this).PDFJS = {};
 }
 
-PDFJS.version = '1.0.454';
-PDFJS.build = 'e97efaa';
+PDFJS.version = '1.0.456';
+PDFJS.build = 'a7800c2';
 
 (function pdfjsWrapper() {
   // Use strict in our context only - users might not want it
diff --git a/package.json b/package.json
index 3bd7bb554..dac45effc 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pdfjs-dist",
-  "version": "1.0.454",
+  "version": "1.0.456",
   "description": "Generic build of Mozilla's PDF.js library.",
   "keywords": [
     "Mozilla",