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/****************************************************************************
 *
 * afshaper.h
 *
 *   HarfBuzz interface for accessing OpenType features (specification).
 *
 * Copyright (C) 2013-2019 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.
 *
 */


#ifndef AFSHAPER_H_
#define AFSHAPER_H_


#include <ft2build.h>
#include FT_FREETYPE_H


#ifdef FT_CONFIG_OPTION_USE_HARFBUZZ

#include <hb.h>
#include <hb-ot.h>
#include <hb-ft.h>

#endif


FT_BEGIN_HEADER

  FT_Error
  af_shaper_get_coverage( AF_FaceGlobals  globals,
                          AF_StyleClass   style_class,
                          FT_UShort*      gstyles,
                          FT_Bool         default_script );


  void*
  af_shaper_buf_create( FT_Face  face );

  void
  af_shaper_buf_destroy( FT_Face  face,
                         void*    buf );

  const char*
  af_shaper_get_cluster( const char*      p,
                         AF_StyleMetrics  metrics,
                         void*            buf_,
                         unsigned int*    count );

  FT_ULong
  af_shaper_get_elem( AF_StyleMetrics  metrics,
                      void*            buf_,

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