kc3-lang/harfbuzz/src/test-ot-glyphname.cc

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• Author : Behdad Esfahbod
  Date : 2022-07-18 15:13:47
  Hash : ddeef8c8
  Message : [test-ot-glyphname] Fix return value

• src/test-ot-glyphname.cc

• /*
   * Copyright © 2019  Adobe, 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.
   *
   * Adobe Author(s): Michiharu Ariza
   */
  
  #include "hb.hh"
  #include "hb-ot.h"
  
  #ifdef HB_NO_OPEN
  #define hb_blob_create_from_file_or_fail(x)  hb_blob_get_empty ()
  #endif
  
  int
  main (int argc, char **argv)
  {
    if (argc != 2) {
      fprintf (stderr, "usage: %s font-file\n", argv[0]);
      exit (1);
    }
  
    hb_blob_t *blob = hb_blob_create_from_file_or_fail (argv[1]);
    assert (blob);
    hb_face_t *face = hb_face_create (blob, 0 /* first face */);
    hb_font_t *font = hb_font_create (face);
    hb_blob_destroy (blob);
    blob = nullptr;
    
  
    const unsigned int num_glyphs = hb_face_get_glyph_count (face);
    int	result = 1;
  
    for (hb_codepoint_t gid = 0; gid < num_glyphs; gid++)
    {
      char buf[64];
      unsigned int buf_size = sizeof (buf);
      if (hb_font_get_glyph_name (font, gid, buf, buf_size))
      {
        hb_codepoint_t	gid_inv;
        if (hb_font_get_glyph_from_name(font, buf, strlen (buf), &gid_inv))
        {
  	if (gid == gid_inv)
  	{
  	  printf ("%u <-> %s\n", gid, buf);
  	}
  	else
  	{
  	  printf ("%u -> %s -> %u\n", gid, buf, gid_inv);
  	  result = 0;
  	}
        }
        else
        {
  	printf ("%u -> %s -> ?\n", gid, buf);
  	result = 0;
        }
      }
      else
      {
        printf ("%u -> ?\n", gid);
        result = 0;
      }
    }
  
    hb_font_destroy (font);
    hb_face_destroy (face);
  
    return !result;
  }