d2d1: Add stubs for ID2D1EffectContext.

dlls/d2d1/d2d1_private.h

@@ -34,6 +34,7 @@
 #include "initguid.h"
 #endif
 #include "dwrite_2.h"
+#include "d2d1effectauthor.h"
 
 enum d2d_brush_type
 {
@@ -567,6 +568,17 @@ struct d2d_device
 
 void d2d_device_init(struct d2d_device *device, ID2D1Factory1 *factory, IDXGIDevice *dxgi_device) DECLSPEC_HIDDEN;
 
+struct d2d_effect_context
+{
+    ID2D1EffectContext ID2D1EffectContext_iface;
+    LONG refcount;
+
+    struct d2d_device_context *device_context;
+};
+
+void d2d_effect_context_init(struct d2d_effect_context *effect_context,
+        struct d2d_device_context *device_context) DECLSPEC_HIDDEN;
+
 struct d2d_effect_info
 {
     const CLSID *clsid;
@@ -583,13 +595,14 @@ struct d2d_effect
 
     const struct d2d_effect_info *info;
 
-    ID2D1Factory *factory;
+    struct d2d_effect_context *effect_context;
     ID2D1Image **inputs;
     size_t inputs_size;
     size_t input_count;
 };
 
-HRESULT d2d_effect_init(struct d2d_effect *effect, ID2D1Factory *factory, const CLSID *effect_id) DECLSPEC_HIDDEN;
+HRESULT d2d_effect_init(struct d2d_effect *effect,
+        struct d2d_effect_context *effect_context, const CLSID *effect_id) DECLSPEC_HIDDEN;
 
 static inline BOOL d2d_array_reserve(void **elements, size_t *capacity, size_t count, size_t size)
 {
@@ -694,6 +707,13 @@ static inline const char *debug_d2d_point_2f(const D2D1_POINT_2F *point)
     return wine_dbg_sprintf("{%.8e, %.8e}", point->x, point->y);
 }
 
+static inline const char *debug_d2d_point_2l(const D2D1_POINT_2L *point)
+{
+    if (!point)
+        return "(null)";
+    return wine_dbg_sprintf("{%ld, %ld}", point->x, point->y);
+}
+
 static inline const char *debug_d2d_rect_f(const D2D1_RECT_F *rect)
 {
     if (!rect)
@@ -701,6 +721,13 @@ static inline const char *debug_d2d_rect_f(const D2D1_RECT_F *rect)
     return wine_dbg_sprintf("(%.8e, %.8e)-(%.8e, %.8e)", rect->left, rect->top, rect->right, rect->bottom);
 }
 
+static inline const char *debug_d2d_rect_l(const D2D1_RECT_L *rect)
+{
+    if (!rect)
+        return "(null)";
+    return wine_dbg_sprintf("(%ld, %ld)-(%ld, %ld)", rect->left, rect->top, rect->right, rect->bottom);
+}
+
 static inline const char *debug_d2d_rounded_rect(const D2D1_ROUNDED_RECT *rounded_rect)
 {
     if (!rounded_rect)

dlls/d2d1/device.c

@@ -1890,25 +1890,19 @@ static HRESULT STDMETHODCALLTYPE d2d_device_context_CreateEffect(ID2D1DeviceCont
         REFCLSID effect_id, ID2D1Effect **effect)
 {
     struct d2d_device_context *context = impl_from_ID2D1DeviceContext(iface);
-    struct d2d_effect *object;
+    struct d2d_effect_context *effect_context;
     HRESULT hr;
 
     FIXME("iface %p, effect_id %s, effect %p stub!\n", iface, debugstr_guid(effect_id), effect);
 
-    if (!(object = heap_alloc_zero(sizeof(*object))))
+    if (!(effect_context = heap_alloc_zero(sizeof(*effect_context))))
         return E_OUTOFMEMORY;
+    d2d_effect_context_init(effect_context, context);
 
-    if (FAILED(hr = d2d_effect_init(object, context->factory, effect_id)))
-    {
-        WARN("Failed to initialise effect, hr %#lx.\n", hr);
-        heap_free(object);
-        return hr;
-    }
-
-    TRACE("Created effect %p.\n", object);
-    *effect = &object->ID2D1Effect_iface;
+    hr = ID2D1EffectContext_CreateEffect(&effect_context->ID2D1EffectContext_iface, effect_id, effect);
 
-    return S_OK;
+    ID2D1EffectContext_Release(&effect_context->ID2D1EffectContext_iface);
+    return hr;
 }
 
 static HRESULT STDMETHODCALLTYPE d2d_device_context_ID2D1DeviceContext_CreateGradientStopCollection(