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

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• Hash : 661baf40
  Author :
  Date : 2022-06-29T07:31:46
  

  Add a basic test for hb-ft api
  
  This tests what would be my minimum assumption
  about this api.
  

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• test/api/test-ft.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-ft.h"
  
  #include FT_FONT_FORMATS_H
  
  static FT_Library ft_library;
  
  static void
  init_freetype (void)
  {
    FT_Error ft_error;
    if ((ft_error = FT_Init_FreeType (&ft_library)))
      abort ();
  }
  
  static void
  cleanup_freetype (void)
  {
    FT_Done_FreeType (ft_library);
  }
  
  static FT_Face
  get_ft_face (const char *file)
  {
    FT_Face ft_face;
  
  #if GLIB_CHECK_VERSION(2,37,2)
    char* path = g_test_build_filename (G_TEST_DIST, file, NULL);
  #else
    char* path = g_strdup (file);
  #endif
  
    FT_Error ft_error;
    if ((ft_error = FT_New_Face (ft_library, path, 0, &ft_face))) {
      g_free (path);
      abort();
    }
    g_free (path);
  
    if ((ft_error = FT_Set_Char_Size (ft_face, 2000, 1000, 0, 0)))
      abort ();
  
    return ft_face;
  }
  
  static void
  test_native_ft_basic (void)
  {
    FT_Face ft_face;
    hb_font_t *font;
    FT_Face ft_face2;
  
    init_freetype ();
  
    ft_face = get_ft_face ("fonts/Cantarell.A.otf");
  
    g_assert_nonnull (ft_face);
    g_assert_nonnull (FT_Get_Font_Format (ft_face));
  
    font = hb_ft_font_create_referenced (ft_face);
  
    ft_face2 = hb_ft_font_get_face (font);
  
    g_assert_true (ft_face2 == ft_face);
  
    ft_face2 = hb_ft_font_lock_face (font);
  
    g_assert_true (ft_face2 == ft_face);
  
    hb_ft_font_unlock_face (font);
  
    hb_ft_font_set_load_flags (font, FT_LOAD_NO_SCALE | FT_LOAD_NO_AUTOHINT);
    int load_flags = hb_ft_font_get_load_flags (font);
  
    g_assert_true (load_flags == (FT_LOAD_NO_SCALE | FT_LOAD_NO_AUTOHINT));
  
    hb_font_destroy (font);
  
    FT_Done_Face (ft_face);
  
    cleanup_freetype ();
  }
  
  int
  main (int argc, char **argv)
  {
    hb_test_init (&argc, &argv);
  
    hb_test_add (test_native_ft_basic);
  
    return hb_test_run ();
  }
  

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