dwrite: Implement returning axis values from face reference.

dlls/dwrite/font.c

@@ -6280,9 +6280,16 @@ static UINT32 WINAPI fontfacereference1_GetFontAxisValueCount(IDWriteFontFaceRef
 static HRESULT WINAPI fontfacereference1_GetFontAxisValues(IDWriteFontFaceReference1 *iface,
         DWRITE_FONT_AXIS_VALUE *axis_values, UINT32 value_count)
 {
-    FIXME("%p, %p, %u.\n", iface, axis_values, value_count);
+    struct dwrite_fontfacereference *reference = impl_from_IDWriteFontFaceReference1(iface);
 
-    return E_NOTIMPL;
+    TRACE("%p, %p, %u.\n", iface, axis_values, value_count);
+
+    if (value_count < reference->axis_values_count)
+        return E_NOT_SUFFICIENT_BUFFER;
+
+    memcpy(axis_values, reference->axis_values, value_count * sizeof(*axis_values));
+
+    return S_OK;
 }
 
 static const IDWriteFontFaceReference1Vtbl fontfacereferencevtbl =

dlls/dwrite/tests/font.c

@@ -9408,6 +9408,16 @@ static void test_font_resource(void)
     ok(!ret, "Unexpected result.\n");
     IDWriteFontFaceReference1_Release(reference2);
 
+    memset(axis_values, 0, sizeof(axis_values));
+    hr = IDWriteFontFaceReference1_GetFontAxisValues(reference, axis_values, 1);
+    ok(hr == E_NOT_SUFFICIENT_BUFFER, "Unexpected hr %#x.\n", hr);
+    ok(!axis_values[0].axisTag, "Unexpected axis tag.\n");
+
+    memset(axis_values, 0, sizeof(axis_values));
+    hr = IDWriteFontFaceReference1_GetFontAxisValues(reference, axis_values, 2);
+    ok(hr == S_OK, "Failed to get axis values, hr %#x.\n", hr);
+    ok(axis_values[0].axisTag == DWRITE_FONT_AXIS_TAG_WEIGHT, "Unexpected axis tag.\n");
+
     IDWriteFontFaceReference1_Release(reference);
 
     IDWriteFontFile_Release(fontfile);