From 4653eb9b4785ee840b75cd2d053bc6b13848fce5 Mon Sep 17 00:00:00 2001
From: Peter Brant <peter.brant@gmail.com>
Date: Mon, 13 Mar 2017 22:57:27 +0100
Subject: [PATCH] Fix JBIG2Globals extraction

---
 src/core/evaluator.js | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/core/evaluator.js b/src/core/evaluator.js
index 9772668c92d87..00f6f6566f5c5 100644
--- a/src/core/evaluator.js
+++ b/src/core/evaluator.js
@@ -46,8 +46,12 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
     decode: function NativeImageStreamDecoder_decode(image) {
       var jbigImageRequest = function() {
         var globals = undefined;
-        if (isDict(image.params)) {
-          var globalsStream = image.params.get('JBIG2Globals');
+
+        var xref = image.dict.xref;
+        var decodeParms = xref.fetchIfRef(image.dict.get('DecodeParms'));
+
+        if (isDict(decodeParms)) {
+          var globalsStream = decodeParms.get('JBIG2Globals');
           if (isStream(globalsStream)) {
             globals = globalsStream.getBytes();
           }