afshaper.h

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/****************************************************************************
 *
 * afshaper.h
 *
 *   HarfBuzz interface for accessing OpenType features (specification).
 *
 * Copyright (C) 2013-2020 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 <freetype/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_,
                      unsigned int     idx,
                      FT_Long*         x_advance,
                      FT_Long*         y_offset );
 
 /* */
 
FT_END_HEADER
 
#endif /* AFSHAPER_H_ */
 
 
/* END */