kc3-lang/harfbuzz/test/api/test-coretext.c

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• Hash : 8c561733
  Author :
  Date : 2025-02-12T12:37:10
  

  [test/coretext] Add a test for copying variations
  

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• test/api/test-coretext.c

• /*
   * Copyright © 2022 Red Hat, 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.
   *
   * Author: Matthias Clasen
   */
  
  
  #include "hb-test.h"
  
  #include "hb-coretext.h"
  
  CTFontRef
  get_ctfont (void)
  {
    CTFontCollectionRef collection;
    CFArrayRef ctfaces;
    CTFontDescriptorRef desc;
    CTFontRef ctfont;
  
    collection = CTFontCollectionCreateFromAvailableFonts (0);
    ctfaces = CTFontCollectionCreateMatchingFontDescriptors (collection);
  
    desc = CFArrayGetValueAtIndex (ctfaces, 0);
    ctfont = CTFontCreateWithFontDescriptor (desc, 0.0, NULL);
  
    return ctfont;
  }
  
  static void
  test_native_coretext_basic (void)
  {
    CTFontRef ctfont;
    hb_font_t *font;
    CTFontRef ctfont2;
  
    ctfont = get_ctfont ();
  
    g_assert_nonnull (ctfont);
  
    font = hb_coretext_font_create (ctfont);
  
    ctfont2 = hb_coretext_font_get_ct_font (font);
  
    g_assert_true (ctfont2 == ctfont);
  
    hb_font_destroy (font);
  
    CFRelease (ctfont);
  }
  
  static void
  test_native_coretext_variations (void)
  {
    // Test that we copy variations from CTFont when creating hb_font_t
    CTFontRef ctfont;
    CFDictionaryRef variations;
    CFIndex count;
    hb_font_t *font;
    unsigned int length;
  
    // System UI font is a variable font
    ctfont = CTFontCreateUIFontForLanguage (kCTFontUIFontSystem, 12.0, CFSTR ("en-US"));
    g_assert_nonnull (ctfont);
  
    variations = CTFontCopyVariation (ctfont);
    g_assert_nonnull (variations);
  
    count = CFDictionaryGetCount (variations);
    g_assert_cmpint (count, >, 0);
  
    font = hb_coretext_font_create (ctfont);
    hb_font_get_var_coords_normalized(font, &length);
    g_assert_cmpuint (length, !=, 0);
  
    hb_font_destroy (font);
  
    CFRelease (ctfont);
  }
  
  int
  main (int argc, char **argv)
  {
    hb_test_init (&argc, &argv);
  
    hb_test_add (test_native_coretext_basic);
    hb_test_add (test_native_coretext_variations);
  
    return hb_test_run ();
  }
  

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