[PATCH 1/5] d2d1: Implement d2d_d3d_render_target_SaveDrawingState().

[Henri Verbeet]

---
 dlls/d2d1/d2d1_private.h  |    1 +
 dlls/d2d1/render_target.c |   12 +++++++++++-
 dlls/d2d1/state_block.c   |    8 ++++++++
 3 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/dlls/d2d1/d2d1_private.h b/dlls/d2d1/d2d1_private.h
index 0e0fa9f..48465f2 100644
--- a/dlls/d2d1/d2d1_private.h
+++ b/dlls/d2d1/d2d1_private.h
@@ -184,5 +184,6 @@ struct d2d_state_block
 
 void d2d_state_block_init(struct d2d_state_block *state_block, const D2D1_DRAWING_STATE_DESCRIPTION *desc,
         IDWriteRenderingParams *text_rendering_params) DECLSPEC_HIDDEN;
+struct d2d_state_block *unsafe_impl_from_ID2D1DrawingStateBlock(ID2D1DrawingStateBlock *iface) DECLSPEC_HIDDEN;
 
 #endif /* __WINE_D2D1_PRIVATE_H */
diff --git a/dlls/d2d1/render_target.c b/dlls/d2d1/render_target.c
index c241df2..3b15e22 100644
--- a/dlls/d2d1/render_target.c
+++ b/dlls/d2d1/render_target.c
@@ -933,7 +933,17 @@ static HRESULT STDMETHODCALLTYPE d2d_d3d_render_target_Flush(ID2D1RenderTarget *
 static void STDMETHODCALLTYPE d2d_d3d_render_target_SaveDrawingState(ID2D1RenderTarget *iface,
         ID2D1DrawingStateBlock *state_block)
 {
-    FIXME("iface %p, state_block %p stub!\n", iface, state_block);
+    struct d2d_state_block *state_block_impl = unsafe_impl_from_ID2D1DrawingStateBlock(state_block);
+    struct d2d_d3d_render_target *render_target = impl_from_ID2D1RenderTarget(iface);
+
+    TRACE("iface %p, state_block %p.\n", iface, state_block);
+
+    state_block_impl->drawing_state = render_target->drawing_state;
+    if (render_target->text_rendering_params)
+        IDWriteRenderingParams_AddRef(render_target->text_rendering_params);
+    if (state_block_impl->text_rendering_params)
+        IDWriteRenderingParams_Release(state_block_impl->text_rendering_params);
+    state_block_impl->text_rendering_params = render_target->text_rendering_params;
 }
 
 static void STDMETHODCALLTYPE d2d_d3d_render_target_RestoreDrawingState(ID2D1RenderTarget *iface,
diff --git a/dlls/d2d1/state_block.c b/dlls/d2d1/state_block.c
index 28da331..83fd162 100644
--- a/dlls/d2d1/state_block.c
+++ b/dlls/d2d1/state_block.c
@@ -157,3 +157,11 @@ void d2d_state_block_init(struct d2d_state_block *state_block, const D2D1_DRAWIN
     if ((state_block->text_rendering_params = text_rendering_params))
         IDWriteRenderingParams_AddRef(state_block->text_rendering_params);
 }
+
+struct d2d_state_block *unsafe_impl_from_ID2D1DrawingStateBlock(ID2D1DrawingStateBlock *iface)
+{
+    if (!iface)
+        return NULL;
+    assert(iface->lpVtbl == &d2d_state_block_vtbl);
+    return CONTAINING_RECORD(iface, struct d2d_state_block, ID2D1DrawingStateBlock_iface);
+}
-- 
1.7.10.4