[PATCH 5/5] d2d1: Implement d2d_solid_color_brush_SetOpacity().

[Henri Verbeet]

---
 dlls/d2d1/brush.c         |    7 ++++++-
 dlls/d2d1/d2d1_private.h  |    2 ++
 dlls/d2d1/render_target.c |   11 +++++++++--
 3 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/dlls/d2d1/brush.c b/dlls/d2d1/brush.c
index eacbebb..8837cee 100644
--- a/dlls/d2d1/brush.c
+++ b/dlls/d2d1/brush.c
@@ -149,6 +149,7 @@ static void d2d_brush_init(struct d2d_brush *brush, ID2D1RenderTarget *render_ta
 {
     brush->ID2D1Brush_iface.lpVtbl = vtbl;
     brush->refcount = 1;
+    brush->opacity = desc ? desc->opacity : 1.0f;
     brush->type = type;
 }
 
@@ -210,7 +211,11 @@ static void STDMETHODCALLTYPE d2d_solid_color_brush_GetFactory(ID2D1SolidColorBr
 
 static void STDMETHODCALLTYPE d2d_solid_color_brush_SetOpacity(ID2D1SolidColorBrush *iface, float opacity)
 {
-    FIXME("iface %p, opacity %.8e stub!\n", iface, opacity);
+    struct d2d_brush *brush = impl_from_ID2D1SolidColorBrush(iface);
+
+    TRACE("iface %p, opacity %.8e.\n", iface, opacity);
+
+    brush->opacity = opacity;
 }
 
 static void STDMETHODCALLTYPE d2d_solid_color_brush_SetTransform(ID2D1SolidColorBrush *iface,
diff --git a/dlls/d2d1/d2d1_private.h b/dlls/d2d1/d2d1_private.h
index 0a99633..8504e68 100644
--- a/dlls/d2d1/d2d1_private.h
+++ b/dlls/d2d1/d2d1_private.h
@@ -107,6 +107,8 @@ struct d2d_brush
     ID2D1Brush ID2D1Brush_iface;
     LONG refcount;
 
+    float opacity;
+
     enum d2d_brush_type type;
     union
     {
diff --git a/dlls/d2d1/render_target.c b/dlls/d2d1/render_target.c
index 1dd5122..0f5907f 100644
--- a/dlls/d2d1/render_target.c
+++ b/dlls/d2d1/render_target.c
@@ -501,6 +501,7 @@ static void STDMETHODCALLTYPE d2d_d3d_render_target_FillRectangle(ID2D1RenderTar
     D3D10_SUBRESOURCE_DATA buffer_data;
     D3D10_BUFFER_DESC buffer_desc;
     ID3D10Buffer *vs_cb, *ps_cb;
+    D2D1_COLOR_F color;
     float tmp_x, tmp_y;
     HRESULT hr;
     struct
@@ -558,8 +559,14 @@ static void STDMETHODCALLTYPE d2d_d3d_render_target_FillRectangle(ID2D1RenderTar
         return;
     }
 
-    buffer_desc.ByteWidth = sizeof(brush_impl->u.solid.color);
-    buffer_data.pSysMem = &brush_impl->u.solid.color;
+    color = brush_impl->u.solid.color;
+    color.r *= brush_impl->opacity;
+    color.g *= brush_impl->opacity;
+    color.b *= brush_impl->opacity;
+    color.a *= brush_impl->opacity;
+
+    buffer_desc.ByteWidth = sizeof(color);
+    buffer_data.pSysMem = &color;
 
     if (FAILED(hr = ID3D10Device_CreateBuffer(render_target->device, &buffer_desc, &buffer_data, &ps_cb)))
     {
-- 
1.7.10.4