kc3-lang/harfbuzz/src/hb-harfrust.cc

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• Hash : c936b229
  Author :
  Date : 2025-06-10T08:22:47
  

  [rust] Update to HarfRuzz->HarfRust rename
  

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• src/hb-harfrust.cc

• /*
   *  This is part of HarfBuzz, a text shaping library.
   *
   * Permission is hereby granted, without written agreement and without
   * license or royalty fees, to use, copy, modify, and distribute this
   * software and its documentation for any purpose, provided that the
   * above copyright notice and the following two paragraphs appear in
   * all copies of this software.
   *
   * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
   * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
   * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
   * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
   * DAMAGE.
   *
   * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
   * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
   * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
   * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
   * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
   *
   * Author(s): Behdad Esfahbod
   */
  
  #include "hb.hh"
  
  #ifdef HAVE_HARFRUST
  
  #include "hb-shaper-impl.hh"
  
  
  /*
   * shaper face data
   */
  
  extern "C" void *
  _hb_harfrust_shaper_face_data_create_rs (hb_face_t *face);
  
  hb_harfrust_face_data_t *
  _hb_harfrust_shaper_face_data_create (hb_face_t *face)
  {
    return (hb_harfrust_face_data_t *) _hb_harfrust_shaper_face_data_create_rs (face);
  }
  
  extern "C" void
  _hb_harfrust_shaper_face_data_destroy_rs (void *data);
  
  void
  _hb_harfrust_shaper_face_data_destroy (hb_harfrust_face_data_t *data)
  {
    _hb_harfrust_shaper_face_data_destroy_rs (data);
  }
  
  
  /*
   * shaper font data
   */
  
  extern "C" void *
  _hb_harfrust_shaper_font_data_create_rs (hb_font_t *font, const void *face_data);
  
  hb_harfrust_font_data_t *
  _hb_harfrust_shaper_font_data_create (hb_font_t *font)
  {
    const hb_harfrust_face_data_t *face_data = font->face->data.harfrust;
    return (hb_harfrust_font_data_t *) _hb_harfrust_shaper_font_data_create_rs (font, face_data);
  }
  
  extern "C" void
  _hb_harfrust_shaper_font_data_destroy_rs (void *data);
  
  void
  _hb_harfrust_shaper_font_data_destroy (hb_harfrust_font_data_t *data)
  {
    _hb_harfrust_shaper_font_data_destroy_rs (data);
  }
  
  /*
   * shape plan
   */
  
  extern "C" void *
  _hb_harfrust_shape_plan_create_rs (const void *font_data,
  				   const void *face_data,
  				   hb_script_t script,
  				   hb_language_t language,
  				   hb_direction_t direction);
  
  extern "C" void
  _hb_harfrust_shape_plan_destroy_rs (void *data);
  
  
  /*
   * shaper
   */
  
  extern "C" hb_bool_t
  _hb_harfrust_shape_rs (const void         *font_data,
  		       const void         *face_data,
  		       const void         *rs_shape_plan,
  		       hb_font_t          *font,
  		       hb_buffer_t        *buffer,
  		       const hb_feature_t *features,
  		       unsigned int        num_features);
  
  static hb_user_data_key_t hr_shape_plan_key = {0};
  
  hb_bool_t
  _hb_harfrust_shape (hb_shape_plan_t    *shape_plan,
  		    hb_font_t          *font,
  		    hb_buffer_t        *buffer,
  		    const hb_feature_t *features,
  		    unsigned int        num_features)
  {
    const hb_harfrust_font_data_t *font_data = font->data.harfrust;
    const hb_harfrust_face_data_t *face_data = font->face->data.harfrust;
  
    void *hr_shape_plan = nullptr;
  
    if (!num_features)
    {
    retry:
      hr_shape_plan = hb_shape_plan_get_user_data (shape_plan,
  						 &hr_shape_plan_key);
      if (unlikely (!hr_shape_plan))
      {
        hr_shape_plan = _hb_harfrust_shape_plan_create_rs (font_data, face_data,
  							 shape_plan->key.props.script,
  							 shape_plan->key.props.language,
  							 shape_plan->key.props.direction);
        if (hr_shape_plan &&
  	  !hb_shape_plan_set_user_data (shape_plan,
  				       &hr_shape_plan_key,
  				       hr_shape_plan,
  				       _hb_harfrust_shape_plan_destroy_rs,
  				       false))
        {
          _hb_harfrust_shape_plan_destroy_rs (hr_shape_plan);
  	goto retry;
        }
      }
    }
  
    return _hb_harfrust_shape_rs (font_data,
  				face_data,
  				hr_shape_plan,
  				font,
  				buffer,
  				features,
  				num_features);
  }
  
  
  #endif
  

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