d2d1: Implement ellipse drawing.

dlls/d2d1/d2d1_private.h

@@ -467,6 +467,10 @@ struct d2d_geometry
     {
         struct
         {
+            D2D1_ELLIPSE ellipse;
+        } ellipse;
+        struct
+        {
             ID2D1GeometrySink ID2D1GeometrySink_iface;
 
             struct d2d_figure *figures;
@@ -501,6 +505,8 @@ struct d2d_geometry
     } u;
 };
 
+HRESULT d2d_ellipse_geometry_init(struct d2d_geometry *geometry,
+        ID2D1Factory *factory, const D2D1_ELLIPSE *ellipse) DECLSPEC_HIDDEN;
 void d2d_path_geometry_init(struct d2d_geometry *geometry, ID2D1Factory *factory) DECLSPEC_HIDDEN;
 HRESULT d2d_rectangle_geometry_init(struct d2d_geometry *geometry,
         ID2D1Factory *factory, const D2D1_RECT_F *rect) DECLSPEC_HIDDEN;
@@ -636,4 +642,12 @@ static inline const char *debug_d2d_rounded_rect(const D2D1_ROUNDED_RECT *rounde
             rounded_rect->rect.right, rounded_rect->rect.bottom, rounded_rect->radiusX, rounded_rect->radiusY);
 }
 
+static inline const char *debug_d2d_ellipse(const D2D1_ELLIPSE *ellipse)
+{
+    if (!ellipse)
+        return "(null)";
+    return wine_dbg_sprintf("(%.8e, %.8e)[%.8e, %.8e]",
+            ellipse->point.x, ellipse->point.y, ellipse->radiusX, ellipse->radiusY);
+}
+
 #endif /* __WINE_D2D1_PRIVATE_H */

dlls/d2d1/factory.c

@@ -178,9 +178,25 @@ static HRESULT STDMETHODCALLTYPE d2d_factory_CreateRoundedRectangleGeometry(ID2D
 static HRESULT STDMETHODCALLTYPE d2d_factory_CreateEllipseGeometry(ID2D1Factory2 *iface,
         const D2D1_ELLIPSE *ellipse, ID2D1EllipseGeometry **geometry)
 {
-    FIXME("iface %p, ellipse %p, geometry %p stub!\n", iface, ellipse, geometry);
+    struct d2d_geometry *object;
+    HRESULT hr;
 
-    return E_NOTIMPL;
+    TRACE("iface %p, ellipse %s, geometry %p.\n", iface, debug_d2d_ellipse(ellipse), geometry);
+
+    if (!(object = heap_alloc_zero(sizeof(*object))))
+        return E_OUTOFMEMORY;
+
+    if (FAILED(hr = d2d_ellipse_geometry_init(object, (ID2D1Factory *)iface, ellipse)))
+    {
+        WARN("Failed to initialize ellipse geometry, hr %#x.\n", hr);
+        heap_free(object);
+        return hr;
+    }
+
+    TRACE("Created ellipse geometry %p.\n", object);
+    *geometry = (ID2D1EllipseGeometry *)&object->ID2D1Geometry_iface;
+
+    return S_OK;
 }
 
 static HRESULT STDMETHODCALLTYPE d2d_factory_CreateGeometryGroup(ID2D1Factory2 *iface,