kc3-lang/harfbuzz/src/hb-ot-shape-normalize.hh

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• Hash : 5f46ff80
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  Date : 2025-08-07T22:04:20
  

  [shape] Rename a buffer var
  
  For clarity.
  

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• src/hb-ot-shape-normalize.hh

• /*
   * Copyright © 2012  Google, Inc.
   *
   *  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.
   *
   * Google Author(s): Behdad Esfahbod
   */
  
  #ifndef HB_OT_SHAPE_NORMALIZE_HH
  #define HB_OT_SHAPE_NORMALIZE_HH
  
  #include "hb.hh"
  #include "hb-unicode.hh"
  
  
  /* buffer var allocations, used during the normalization process */
  #define normalizer_glyph_index()	var1.u32
  
  struct hb_ot_shape_plan_t;
  
  enum hb_ot_shape_normalization_mode_t {
    HB_OT_SHAPE_NORMALIZATION_MODE_NONE,
    HB_OT_SHAPE_NORMALIZATION_MODE_DECOMPOSED,
    HB_OT_SHAPE_NORMALIZATION_MODE_COMPOSED_DIACRITICS, /* Never composes base-to-base */
    HB_OT_SHAPE_NORMALIZATION_MODE_COMPOSED_DIACRITICS_NO_SHORT_CIRCUIT, /* Always fully decomposes and then recompose back */
  
    HB_OT_SHAPE_NORMALIZATION_MODE_AUTO, /* See hb-ot-shape-normalize.cc for logic. */
    HB_OT_SHAPE_NORMALIZATION_MODE_DEFAULT = HB_OT_SHAPE_NORMALIZATION_MODE_AUTO
  };
  
  HB_INTERNAL void _hb_ot_shape_normalize (const hb_ot_shape_plan_t *shaper,
  					 hb_buffer_t *buffer,
  					 hb_font_t *font);
  
  
  struct hb_ot_shape_normalize_context_t
  {
    static bool
    decompose_unicode (const hb_ot_shape_normalize_context_t *c,
  		     hb_codepoint_t  ab,
  		     hb_codepoint_t *a,
  		     hb_codepoint_t *b)
    {
      return (bool) c->unicode->decompose (ab, a, b);
    }
  
    static bool
    compose_unicode (const hb_ot_shape_normalize_context_t *c,
  		   hb_codepoint_t  a,
  		   hb_codepoint_t  b,
  		   hb_codepoint_t *ab)
    {
      return (bool) c->unicode->compose (a, b, ab);
    }
  
    void
    override_decompose_and_compose (bool (*decompose) (const hb_ot_shape_normalize_context_t *c,
  						      hb_codepoint_t  ab,
  						      hb_codepoint_t *a,
  						      hb_codepoint_t *b),
  				  bool (*compose) (const hb_ot_shape_normalize_context_t *c,
  						   hb_codepoint_t  a,
  						   hb_codepoint_t  b,
  						   hb_codepoint_t *ab))
    {
      this->decompose = decompose ? decompose : decompose_unicode;
      this->compose = compose ? compose : compose_unicode;
    }
  
    const hb_ot_shape_plan_t *plan;
    hb_buffer_t *buffer;
    hb_font_t *font;
    hb_unicode_funcs_t *unicode;
    bool (*decompose) (const hb_ot_shape_normalize_context_t *c,
  		     hb_codepoint_t  ab,
  		     hb_codepoint_t *a,
  		     hb_codepoint_t *b);
    bool (*compose) (const hb_ot_shape_normalize_context_t *c,
  		   hb_codepoint_t  a,
  		   hb_codepoint_t  b,
  		   hb_codepoint_t *ab);
  };
  
  
  #endif /* HB_OT_SHAPE_NORMALIZE_HH */
  

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