kc3-lang/harfbuzz/test/api/test-directwrite.cc

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• Hash : 03cf1565
  Author :
  Date : 2025-02-20T21:56:56
  

  [directwrite] Rename font_get_font to font_get_dw_font
  
  https://github.com/harfbuzz/harfbuzz/pull/5079#pullrequestreview-2627407692
  

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• test/api/test-directwrite.cc

• /*
   * 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 <dwrite_3.h>
  
  #include "hb-test.h"
  
  #include "hb-directwrite.h"
  
  /* Declare object creator for dynamic support of DWRITE */
  typedef HRESULT (WINAPI *t_DWriteCreateFactory)(
    DWRITE_FACTORY_TYPE factoryType,
    REFIID              iid,
    IUnknown            **factory
  );
  
  IDWriteFont *
  get_dwfont (const wchar_t *family_name)
  {
    HRESULT hr;
    t_DWriteCreateFactory CreateFactory;
    HMODULE dwrite_dll;
    IDWriteFactory *factory;
    IDWriteFactory7 *factory7;
    IDWriteFontCollection3 *collection;
    UINT32 count;
    IDWriteFontFamily2 *family;
    IDWriteFont *font;
    UINT32 index = 0;
  
    dwrite_dll = LoadLibrary (TEXT ("DWRITE"));
    g_assert_nonnull (dwrite_dll);
  
  #if defined(__GNUC__) || defined(__clang__)
  #pragma GCC diagnostic push
  #pragma GCC diagnostic ignored "-Wcast-function-type"
  #endif
  
    CreateFactory = (t_DWriteCreateFactory) GetProcAddress (dwrite_dll, "DWriteCreateFactory");
    g_assert_nonnull (CreateFactory);
  
  #if defined(__GNUC__) || defined(__clang__)
  #pragma GCC diagnostic pop
  #endif
  
    hr = CreateFactory (DWRITE_FACTORY_TYPE_SHARED, __uuidof (IDWriteFactory), (IUnknown**) &factory);
    g_assert_true (SUCCEEDED (hr));
  
    hr = factory->QueryInterface (__uuidof (IDWriteFactory7), (void**) &factory7);
    g_assert_true (SUCCEEDED (hr));
  
    hr = factory7->GetSystemFontCollection (FALSE, DWRITE_FONT_FAMILY_MODEL_TYPOGRAPHIC, &collection);
    g_assert_true (SUCCEEDED (hr));
  
    count = collection->GetFontFamilyCount ();
    g_assert_cmpuint (count, >, 0);
  
    if (family_name)
    {
      BOOL exists;
      hr = collection->FindFamilyName (family_name, &index, &exists);
      g_assert_true (SUCCEEDED (hr));
      g_assert_true (exists);
    }
  
    hr = collection->GetFontFamily (index, &family);
    g_assert_true (SUCCEEDED (hr));
  
    hr = family->GetFirstMatchingFont (DWRITE_FONT_WEIGHT_NORMAL,
                                        DWRITE_FONT_STRETCH_NORMAL,
                                        DWRITE_FONT_STYLE_NORMAL,
                                        &font);
    g_assert_true (SUCCEEDED (hr));
  
    factory->Release ();
  
    return font;
  }
  
  static void
  test_native_directwrite_basic (void)
  {
    IDWriteFont *dwfont;
    hb_font_t *font;
    IDWriteFont *dwfont2;
  
    dwfont = get_dwfont (nullptr);
    g_assert_nonnull (dwfont);
  
    font = hb_directwrite_font_create (dwfont);
  
    dwfont2 = hb_directwrite_font_get_dw_font (font);
  
    g_assert_true (dwfont2 == dwfont);
  
    hb_font_destroy (font);
  
    dwfont->Release ();
  }
  
  
  static void
  test_native_directwrite_variations (void)
  {
    IDWriteFont *dwfont;
    hb_font_t *font;
    unsigned int length;
  
    dwfont = get_dwfont (L"Bahnschrift");
    g_assert_nonnull (dwfont);
  
    font = hb_directwrite_font_create (dwfont);
    hb_font_get_var_coords_normalized(font, &length);
    g_assert_cmpuint (length, !=, 0);
  
    hb_font_destroy (font);
  
    dwfont->Release ();
  }
  
  
  int
  main (int argc, char **argv)
  {
    hb_test_init (&argc, &argv);
  
    hb_test_add (test_native_directwrite_basic);
    hb_test_add (test_native_directwrite_variations);
  
    return hb_test_run ();
  }
  

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