dwrite: Added stub EUDC font collection.

dlls/dwrite/dwrite_private.h

@@ -103,6 +103,7 @@ extern HRESULT create_localizedstrings(IDWriteLocalizedStrings**) DECLSPEC_HIDDE
 extern HRESULT add_localizedstring(IDWriteLocalizedStrings*,const WCHAR*,const WCHAR*) DECLSPEC_HIDDEN;
 extern HRESULT clone_localizedstring(IDWriteLocalizedStrings *iface, IDWriteLocalizedStrings **strings) DECLSPEC_HIDDEN;
 extern HRESULT get_system_fontcollection(IDWriteFactory2*,IDWriteFontCollection**) DECLSPEC_HIDDEN;
+extern HRESULT get_eudc_fontcollection(IDWriteFactory2*,IDWriteFontCollection**) DECLSPEC_HIDDEN;
 extern HRESULT get_textanalyzer(IDWriteTextAnalyzer**) DECLSPEC_HIDDEN;
 extern HRESULT create_font_file(IDWriteFontFileLoader *loader, const void *reference_key, UINT32 key_size, IDWriteFontFile **font_file) DECLSPEC_HIDDEN;
 extern HRESULT create_localfontfileloader(IDWriteLocalFontFileLoader** iface) DECLSPEC_HIDDEN;

dlls/dwrite/font.c

@@ -1968,6 +1968,58 @@ HRESULT get_system_fontcollection(IDWriteFactory2 *factory, IDWriteFontCollectio
     return hr;
 }
 
+static HRESULT WINAPI eudcfontfileenumerator_QueryInterface(IDWriteFontFileEnumerator *iface, REFIID riid, void **obj)
+{
+    *obj = NULL;
+
+    if (IsEqualIID(riid, &IID_IDWriteFontFileEnumerator) || IsEqualIID(riid, &IID_IUnknown)) {
+        IDWriteFontFileEnumerator_AddRef(iface);
+        *obj = iface;
+        return S_OK;
+    }
+
+    return E_NOINTERFACE;
+}
+
+static ULONG WINAPI eudcfontfileenumerator_AddRef(IDWriteFontFileEnumerator *iface)
+{
+    return 2;
+}
+
+static ULONG WINAPI eudcfontfileenumerator_Release(IDWriteFontFileEnumerator *iface)
+{
+    return 1;
+}
+
+static HRESULT WINAPI eudcfontfileenumerator_GetCurrentFontFile(IDWriteFontFileEnumerator *iface, IDWriteFontFile **file)
+{
+    *file = NULL;
+    return E_FAIL;
+}
+
+static HRESULT WINAPI eudcfontfileenumerator_MoveNext(IDWriteFontFileEnumerator *iface, BOOL *current)
+{
+    *current = FALSE;
+    return S_OK;
+}
+
+static const struct IDWriteFontFileEnumeratorVtbl eudcfontfileenumeratorvtbl =
+{
+    eudcfontfileenumerator_QueryInterface,
+    eudcfontfileenumerator_AddRef,
+    eudcfontfileenumerator_Release,
+    eudcfontfileenumerator_MoveNext,
+    eudcfontfileenumerator_GetCurrentFontFile
+};
+
+static IDWriteFontFileEnumerator eudc_fontfile_enumerator = { &eudcfontfileenumeratorvtbl };
+
+HRESULT get_eudc_fontcollection(IDWriteFactory2 *factory, IDWriteFontCollection **collection)
+{
+    TRACE("building EUDC font collection for factory %p\n", factory);
+    return create_font_collection(factory, &eudc_fontfile_enumerator, FALSE, collection);
+}
+
 static HRESULT WINAPI dwritefontfile_QueryInterface(IDWriteFontFile *iface, REFIID riid, void **obj)
 {
     struct dwrite_fontfile *This = impl_from_IDWriteFontFile(iface);

dlls/dwrite/main.c

@@ -453,6 +453,7 @@ struct dwritefactory {
     LONG ref;
 
     IDWriteFontCollection *system_collection;
+    IDWriteFontCollection *eudc_collection;
     IDWriteGdiInterop *gdiinterop;
 
     IDWriteLocalFontFileLoader* localfontfileloader;
@@ -505,6 +506,8 @@ static void release_dwritefactory(struct dwritefactory *factory)
 
     if (factory->system_collection)
         IDWriteFontCollection_Release(factory->system_collection);
+    if (factory->eudc_collection)
+        IDWriteFontCollection_Release(factory->eudc_collection);
     if (factory->gdiinterop)
         release_gdiinterop(factory->gdiinterop);
     heap_free(factory);
@@ -1025,8 +1028,22 @@ static HRESULT WINAPI dwritefactory1_GetEudcFontCollection(IDWriteFactory2 *ifac
     BOOL check_for_updates)
 {
     struct dwritefactory *This = impl_from_IDWriteFactory2(iface);
-    FIXME("(%p)->(%p %d): stub\n", This, collection, check_for_updates);
+    HRESULT hr = S_OK;
-    return E_NOTIMPL;
+
+    TRACE("(%p)->(%p %d)\n", This, collection, check_for_updates);
+
+    if (check_for_updates)
+        FIXME("checking for eudc updates not implemented\n");
+
+    if (!This->eudc_collection)
+        hr = get_eudc_fontcollection(iface, &This->eudc_collection);
+
+    if (SUCCEEDED(hr))
+        IDWriteFontCollection_AddRef(This->eudc_collection);
+
+    *collection = This->eudc_collection;
+
+    return hr;
 }
 
 static HRESULT WINAPI dwritefactory1_CreateCustomRenderingParams(IDWriteFactory2 *iface, FLOAT gamma,
@@ -1172,6 +1189,7 @@ static void init_dwritefactory(struct dwritefactory *factory, DWRITE_FACTORY_TYP
     factory->ref = 1;
     factory->localfontfileloader = NULL;
     factory->system_collection = NULL;
+    factory->eudc_collection = NULL;
     factory->gdiinterop = NULL;
 
     list_init(&factory->collection_loaders);

dlls/dwrite/tests/font.c

@@ -2928,6 +2928,33 @@ static void test_GetGlyphRunOutline(void)
     DeleteFileW(test_fontfile);
 }
 
+static void test_GetEudcFontCollection(void)
+{
+    IDWriteFontCollection *coll, *coll2;
+    IDWriteFactory1 *factory1;
+    IDWriteFactory *factory;
+    HRESULT hr;
+
+    factory = create_factory();
+
+    hr = IDWriteFactory_QueryInterface(factory, &IID_IDWriteFactory1, (void**)&factory1);
+    IDWriteFactory_Release(factory);
+    if (hr != S_OK) {
+        win_skip("GetEudcFontCollection() is not supported.\n");
+        return;
+    }
+
+    hr = IDWriteFactory1_GetEudcFontCollection(factory1, &coll, FALSE);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+    hr = IDWriteFactory1_GetEudcFontCollection(factory1, &coll2, FALSE);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+    ok(coll == coll2, "got %p, %p\n", coll, coll2);
+    IDWriteFontCollection_Release(coll);
+    IDWriteFontCollection_Release(coll2);
+
+    IDWriteFactory1_Release(factory1);
+}
+
 START_TEST(font)
 {
     IDWriteFactory *factory;
@@ -2965,6 +2992,7 @@ START_TEST(font)
     test_GetDesignGlyphAdvances();
     test_IsMonospacedFont();
     test_GetGlyphRunOutline();
+    test_GetEudcFontCollection();
 
     IDWriteFactory_Release(factory);
 }