dwrite: Implement ConvertFontFaceToLOGFONT().

dlls/dwrite/dwrite_private.h

@@ -72,6 +72,7 @@ static inline LPWSTR heap_strdupnW(const WCHAR *str, UINT32 len)
 }
 
 extern HRESULT create_font_from_logfont(const LOGFONTW*, IDWriteFont**) DECLSPEC_HIDDEN;
+extern HRESULT convert_fontface_to_logfont(IDWriteFontFace*, LOGFONTW*) DECLSPEC_HIDDEN;
 extern HRESULT create_textformat(const WCHAR*,IDWriteFontCollection*,DWRITE_FONT_WEIGHT,DWRITE_FONT_STYLE,DWRITE_FONT_STRETCH,
                                  FLOAT,const WCHAR*,IDWriteTextFormat**) DECLSPEC_HIDDEN;
 extern HRESULT create_textlayout(const WCHAR*,UINT32,IDWriteTextFormat*,IDWriteTextLayout**) DECLSPEC_HIDDEN;

dlls/dwrite/font.c

@@ -396,6 +396,8 @@ static HRESULT create_fontface(struct dwrite_font *font, IDWriteFontFace **face)
 
     memset(&This->logfont, 0, sizeof(This->logfont));
     This->logfont.lfItalic = font->style == DWRITE_FONT_STYLE_ITALIC;
+    /* weight values from DWRITE_FONT_WEIGHT match values used for LOGFONT */
+    This->logfont.lfWeight = font->weight;
     strcpyW(This->logfont.lfFaceName, font->facename);
 
     *face = &This->IDWriteFontFace_iface;
@@ -403,6 +405,15 @@ static HRESULT create_fontface(struct dwrite_font *font, IDWriteFontFace **face)
     return S_OK;
 }
 
+HRESULT convert_fontface_to_logfont(IDWriteFontFace *face, LOGFONTW *logfont)
+{
+    struct dwrite_fontface *fontface = impl_from_IDWriteFontFace(face);
+
+    *logfont = fontface->logfont;
+
+    return S_OK;
+}
+
 static HRESULT WINAPI dwritefont_QueryInterface(IDWriteFont *iface, REFIID riid, void **obj)
 {
     struct dwrite_font *This = impl_from_IDWriteFont(iface);

dlls/dwrite/gdiinterop.c

@@ -242,10 +242,10 @@ static HRESULT WINAPI gdiinterop_ConvertFontToLOGFONT(IDWriteGdiInterop *iface,
 }
 
 static HRESULT WINAPI gdiinterop_ConvertFontFaceToLOGFONT(IDWriteGdiInterop *iface,
-    IDWriteFontFace *font, LOGFONTW *logfont)
+    IDWriteFontFace *fontface, LOGFONTW *logfont)
 {
-    FIXME("(%p %p): stub\n", font, logfont);
-    return E_NOTIMPL;
+    TRACE("(%p %p)\n", fontface, logfont);
+    return convert_fontface_to_logfont(fontface, logfont);
 }
 
 static HRESULT WINAPI gdiinterop_CreateFontFaceFromHdc(IDWriteGdiInterop *iface,

dlls/dwrite/tests/font.c

@@ -561,6 +561,58 @@ static void test_system_fontcollection(void)
     IDWriteFontCollection_Release(collection);
 }
 
+static void test_ConvertFontFaceToLOGFONT(void)
+{
+    IDWriteGdiInterop *interop;
+    IDWriteFontFace *fontface;
+    IDWriteFont *font;
+    LOGFONTW logfont;
+    HRESULT hr;
+
+    hr = IDWriteFactory_GetGdiInterop(factory, &interop);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+
+    memset(&logfont, 0, sizeof(logfont));
+    logfont.lfHeight = 12;
+    logfont.lfWidth  = 12;
+    logfont.lfEscapement = 100;
+    logfont.lfWeight = FW_NORMAL;
+    logfont.lfItalic = 1;
+    logfont.lfUnderline = 1;
+    logfont.lfStrikeOut = 1;
+
+    lstrcpyW(logfont.lfFaceName, tahomaW);
+
+    hr = IDWriteGdiInterop_CreateFontFromLOGFONT(interop, &logfont, &font);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+
+    hr = IDWriteFont_CreateFontFace(font, &fontface);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+
+if (0) /* crashes on native */
+{
+    hr = IDWriteGdiInterop_ConvertFontFaceToLOGFONT(interop, NULL, NULL);
+    hr = IDWriteGdiInterop_ConvertFontFaceToLOGFONT(interop, fontface, NULL);
+}
+
+    memset(&logfont, 0xa, sizeof(logfont));
+    logfont.lfFaceName[0] = 0;
+
+    hr = IDWriteGdiInterop_ConvertFontFaceToLOGFONT(interop, fontface, &logfont);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+    ok(logfont.lfHeight == 0, "got %d\n", logfont.lfHeight);
+    ok(logfont.lfWidth == 0, "got %d\n", logfont.lfWidth);
+    ok(logfont.lfWeight == FW_NORMAL, "got %d\n", logfont.lfWeight);
+    ok(logfont.lfEscapement == 0, "got %d\n", logfont.lfEscapement);
+    ok(logfont.lfItalic == 1, "got %d\n", logfont.lfItalic);
+    ok(logfont.lfUnderline == 0, "got %d\n", logfont.lfUnderline);
+    ok(logfont.lfStrikeOut == 0, "got %d\n", logfont.lfStrikeOut);
+    ok(!lstrcmpW(logfont.lfFaceName, tahomaW), "got %s\n", wine_dbgstr_w(logfont.lfFaceName));
+
+    IDWriteGdiInterop_Release(interop);
+    IDWriteFontFace_Release(fontface);
+}
+
 START_TEST(font)
 {
     HRESULT hr;
@@ -580,6 +632,7 @@ START_TEST(font)
     test_CreateFontFace();
     test_GetMetrics();
     test_system_fontcollection();
+    test_ConvertFontFaceToLOGFONT();
 
     IDWriteFactory_Release(factory);
 }