From c0250e16e3c153089f1a48bfec90ff65519f6883 Mon Sep 17 00:00:00 2001
From: Jonas Jenwald <jonas.jenwald@gmail.com>
Date: Thu, 12 Jun 2014 12:46:39 +0200
Subject: [PATCH] Return ErrorFont in loadFont when the fontRef is undefined
---
src/core/evaluator.js | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/src/core/evaluator.js b/src/core/evaluator.js
index cd57e193e..7ce1e3999 100644
--- a/src/core/evaluator.js
+++ b/src/core/evaluator.js
@@ -469,6 +469,11 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
return errorFont();
}
}
+ if (!fontRef) {
+ warn('fontRef not available');
+ return errorFont();
+ }
+
if (this.fontCache.has(fontRef)) {
return this.fontCache.get(fontRef);
}