kc3-lang/harfbuzz/test/api/test-var-coords.c

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• Hash : e0ac6c58
  Author :
  Date : 2022-02-02T18:57:12
  

  Remove remaining traces of HB_EXPERIMENTAL_API
  

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• test/api/test-var-coords.c

• /*
   * Copyright © 2019  Ebrahim Byagowi
   *
   *  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.
   */
  
  #include "hb-test.h"
  
  #include <hb-ot.h>
  
  /* Unit tests for hb_font_[gs]et_var_coords_ */
  
  static void
  test_get_var_coords (void)
  {
  #ifndef G_APPROX_VALUE
  #define G_APPROX_VALUE(a, b, epsilon) \
    (((a) > (b) ? (a) - (b) : (b) - (a)) < (epsilon))
  #endif
  
  #define EPSILON 0.05f
  	
    hb_face_t *face = hb_test_open_font_file ("fonts/TestCFF2VF.otf");
    hb_font_t *font = hb_font_create (face);
  
    /* Normalized coords as input */
    int normalized_coords[] = {100, 0};
    hb_font_set_var_coords_normalized (font, normalized_coords, 2);
    g_assert_cmpint ((int) hb_font_get_var_coords_design (font, NULL)[0], ==, 403);
    g_assert_cmpint ((int) hb_font_get_var_coords_normalized (font, NULL)[0], ==, 100);
  
    /* Design coords as input */
    float design_coords[] = {206.f, 0};
    hb_font_set_var_coords_design (font, design_coords, 2);
    g_assert_cmpint ((int) hb_font_get_var_coords_normalized (font, NULL)[0], ==, -16117);
    g_assert_cmpint ((int) hb_font_get_var_coords_design (font, NULL)[0], ==, 206);
  
    for (float weight = 200; weight < 901; ++weight)
    {
      int normalized;
      hb_ot_var_normalize_coords (face, 1, &weight, &normalized);
      hb_font_set_var_coords_normalized (font, &normalized, 1);
      float converted_back = hb_font_get_var_coords_design (font, NULL)[0];
      // fprintf (stderr, "%f: %d => %f\n", weight, normalized, converted_back);
      g_assert_true (G_APPROX_VALUE (converted_back, weight, EPSILON));
    }
  
    hb_font_destroy (font);
    hb_face_destroy (face);
  }
  
  static void
  test_get_var_get_axis_infos (void)
  {
    hb_face_t *face = hb_test_open_font_file ("fonts/Estedad-VF.ttf");
  
    g_assert_cmpint (hb_ot_var_get_axis_count (face), ==, 2);
  
    hb_ot_var_axis_info_t info;
    unsigned c = 1;
  
    g_assert_cmpint (hb_ot_var_get_axis_infos (face, 0, &c, &info), ==, 2);
    g_assert (info.tag == HB_TAG ('w','g','h','t'));
    g_assert_cmpint (c, ==, 1);
  
    hb_ot_var_get_axis_infos (face, 1, &c, &info);
    g_assert (info.tag == HB_TAG ('w','d','t','h'));
    g_assert_cmpint (c, ==, 1);
  
    hb_ot_var_get_axis_infos (face, 2, &c, &info);
    g_assert_cmpint (c, ==, 0);
  
    hb_face_destroy (face);
  }
  
  int
  main (int argc, char **argv)
  {
    hb_test_init (&argc, &argv);
    hb_test_add (test_get_var_coords);
    hb_test_add (test_get_var_get_axis_infos);
    return hb_test_run ();
  }
  

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