Add missing freetype files

CMU462/deps/freetype/include/freetype2/freetype/ftsynth.h

+/***************************************************************************/
+/*                                                                         */
+/*  ftsynth.h                                                              */
+/*                                                                         */
+/*    FreeType synthesizing code for emboldening and slanting              */
+/*    (specification).                                                     */
+/*                                                                         */
+/*  Copyright 2000-2001, 2003, 2006 by                                     */
+/*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
+/*                                                                         */
+/*  This file is part of the FreeType project, and may only be used,       */
+/*  modified, and distributed under the terms of the FreeType project      */
+/*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
+/*  this file you indicate that you have read the license and              */
+/*  understand and accept it fully.                                        */
+/*                                                                         */
+/***************************************************************************/
+
+
+  /*************************************************************************/
+  /*************************************************************************/
+  /*************************************************************************/
+  /*************************************************************************/
+  /*************************************************************************/
+  /*********                                                       *********/
+  /*********        WARNING, THIS IS ALPHA CODE, THIS API          *********/
+  /*********    IS DUE TO CHANGE UNTIL STRICTLY NOTIFIED BY THE    *********/
+  /*********            FREETYPE DEVELOPMENT TEAM                  *********/
+  /*********                                                       *********/
+  /*************************************************************************/
+  /*************************************************************************/
+  /*************************************************************************/
+  /*************************************************************************/
+  /*************************************************************************/
+
+
+#ifndef __FTSYNTH_H__
+#define __FTSYNTH_H__
+
+
+#include <ft2build.h>
+#include FT_FREETYPE_H
+
+#ifdef FREETYPE_H
+#error "freetype.h of FreeType 1 has been loaded!"
+#error "Please fix the directory search order for header files"
+#error "so that freetype.h of FreeType 2 is found first."
+#endif
+
+
+FT_BEGIN_HEADER
+
+  /* Make sure slot owns slot->bitmap. */
+  FT_EXPORT( FT_Error )
+  FT_GlyphSlot_Own_Bitmap( FT_GlyphSlot  slot );
+
+  /* Do not use this function directly!  Copy the code to */
+  /* your application and modify it to suit your need.    */
+  FT_EXPORT( void )
+  FT_GlyphSlot_Embolden( FT_GlyphSlot  slot );
+
+
+  FT_EXPORT( void )
+  FT_GlyphSlot_Oblique( FT_GlyphSlot  slot );
+
+ /* */
+
+FT_END_HEADER
+
+#endif /* __FTSYNTH_H__ */
+
+
+/* END */