1 files changed, 26 insertions, 0 deletions
diff --git a/libfreetype/otlgsub.h b/libfreetype/otlgsub.h
new file mode 100644
index 00000000..db5edecf
--- /dev/null
+++ b/libfreetype/otlgsub.h
@@ -0,0 +1,26 @@
+#ifndef __OTL_GSUB_H__
+#define __OTL_GSUB_H__
+
+#include "otlayout.h"
+
+OTL_BEGIN_HEADER
+
+  typedef OTL_UInt  (*OTL_GSUB_AlternateFunc)( OTL_UInt     gindex,
+                                               OTL_UInt     count,
+                                               OTL_Bytes    alternates,
+                                               OTL_Pointer  data );
+
+  typedef struct OTL_GSUB_AlternateRec_
+  {
+    OTL_GSUB_AlternateFunc  handler_func;
+    OTL_Pointer             handler_data;
+
+  } OTL_GSUB_AlternateRec, *OTL_GSUB_Alternate;
+
+  OTL_LOCAL( void )
+  otl_gsub_validate( OTL_Bytes      table,
+                     OTL_Validator  valid );
+
+OTL_END_HEADER
+
+#endif /* __OTL_GSUB_H__ */