From ada829717574e7cdbfe373e08dbb2e14ea4369ab Mon Sep 17 00:00:00 2001
From: Werner Lemberg <wl@gnu.org>
Date: Thu, 22 Dec 2016 08:25:42 +0100
Subject: [PATCH] [ftfuzzer] Always use Adobe CFF engine.

* src/tools/ftfuzzer/ftfuzzer.cc (FT_Global::FT_Global): Implement
it.
---
 ChangeLog                      | 7 +++++++
 src/tools/ftfuzzer/ftfuzzer.cc | 8 ++++++++
 2 files changed, 15 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index 281d2ca59..861eca955 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2016-12-22  Werner Lemberg  <wl@gnu.org>
+
+	[ftfuzzer] Always use Adobe CFF engine.
+
+	* src/tools/ftfuzzer/ftfuzzer.cc (FT_Global::FT_Global): Implement
+	it.
+
 2016-12-21  Werner Lemberg  <wl@gnu.org>
 
 	* src/truetype/ttgxvar.c (TT_Vary_Apply_Glyph_Deltas): Thinko.
diff --git a/src/tools/ftfuzzer/ftfuzzer.cc b/src/tools/ftfuzzer/ftfuzzer.cc
index 79ad30556..be8a473ae 100644
--- a/src/tools/ftfuzzer/ftfuzzer.cc
+++ b/src/tools/ftfuzzer/ftfuzzer.cc
@@ -55,6 +55,14 @@
   struct FT_Global {
     FT_Global() {
       InitResult = FT_Init_FreeType( &library );
+      if ( InitResult )
+        return;
+
+      // try to activate Adobe's CFF engine; it might not be the default
+      unsigned int  cff_hinting_engine = FT_CFF_HINTING_ADOBE;
+      FT_Property_Set( library,
+                       "cff",
+                       "hinting-engine", &cff_hinting_engine );
     }
     ~FT_Global() {
       FT_Done_FreeType( library );