From de2e0478c602fbf4caa7ddd1885d33e13b437ac1 Mon Sep 17 00:00:00 2001
From: Brian Gough <bjg@network-theory.co.uk>
Date: Wed, 21 Sep 2016 13:58:14 +0100
Subject: [PATCH] disable pdfjs fontface on Microsoft Edge

---
 .../web/public/coffee/ide/pdfng/directives/pdfRenderer.coffee | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/services/web/public/coffee/ide/pdfng/directives/pdfRenderer.coffee b/services/web/public/coffee/ide/pdfng/directives/pdfRenderer.coffee
index d0f2f8a3ae..93fec247ba 100644
--- a/services/web/public/coffee/ide/pdfng/directives/pdfRenderer.coffee
+++ b/services/web/public/coffee/ide/pdfng/directives/pdfRenderer.coffee
@@ -12,7 +12,9 @@ define [
 			INDICATOR_DELAY2: 250  # time until the indicator starts animating
 
 			constructor: (@url, @options) ->
-				# PDFJS.disableFontFace = true  # avoids repaints, uses worker more
+				if navigator.userAgent?.indexOf("Edge/") >= 0
+					# Microsoft Edge does not work well with font-face (Sept 2016)
+					PDFJS.disableFontFace = true
 				if @options.disableAutoFetch
 					PDFJS.disableAutoFetch = true # prevent loading whole file
 				# PDFJS.disableStream