[RFC PATCH] riched20: Draw OLE objects with IViewObject implementation.

[Jinoh Kang]

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=52752
Signed-off-by: Jinoh Kang <jinoh.kang.kr at gmail.com>
---
 dlls/riched20/richole.c | 64 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)

diff --git a/dlls/riched20/richole.c b/dlls/riched20/richole.c
index a23f4c82730..3cbd2ddf4af 100644
--- a/dlls/riched20/richole.c
+++ b/dlls/riched20/richole.c
@@ -5652,6 +5652,7 @@ static void convert_sizel(const ME_Context *c, const SIZEL* szl, SIZE* sz)
 void ME_GetOLEObjectSize(const ME_Context *c, ME_Run *run, SIZE *pSize)
 {
   IDataObject*  ido;
+  IViewObject*  ivo;
   FORMATETC     fmt;
   STGMEDIUM     stgm;
   DIBSECTION    dibsect;
@@ -5677,6 +5678,29 @@ void ME_GetOLEObjectSize(const ME_Context *c, ME_Run *run, SIZE *pSize)
     return;
   }
 
+  if (SUCCEEDED(IOleObject_QueryInterface(run->reobj->obj.poleobj, &IID_IViewObject, (void**)&ivo)))
+  {
+    HRESULT hr;
+    SIZEL sizel;
+
+    hr = IOleObject_GetExtent(run->reobj->obj.poleobj, DVASPECT_CONTENT, &sizel);
+    if (FAILED(hr))
+    {
+      WARN("failed to get extent: %#08lx\n", hr);
+      sizel.cx = sizel.cy = 0;
+    }
+
+    convert_sizel(c, &sizel, pSize);
+    if (c->editor->nZoomNumerator != 0)
+    {
+      pSize->cx = MulDiv(pSize->cx, c->editor->nZoomNumerator, c->editor->nZoomDenominator);
+      pSize->cy = MulDiv(pSize->cy, c->editor->nZoomNumerator, c->editor->nZoomDenominator);
+    }
+
+    IViewObject_Release(ivo);
+    return;
+  }
+
   if (IOleObject_QueryInterface(run->reobj->obj.poleobj, &IID_IDataObject, (void**)&ido) != S_OK)
   {
       FIXME("Query Interface IID_IDataObject failed!\n");
@@ -5729,6 +5753,7 @@ void ME_GetOLEObjectSize(const ME_Context *c, ME_Run *run, SIZE *pSize)
 void draw_ole( ME_Context *c, int x, int y, ME_Run *run, BOOL selected )
 {
   IDataObject*  ido;
+  IViewObject*  ivo;
   FORMATETC     fmt;
   STGMEDIUM     stgm;
   DIBSECTION    dibsect;
@@ -5741,6 +5766,45 @@ void draw_ole( ME_Context *c, int x, int y, ME_Run *run, BOOL selected )
 
   assert(run->nFlags & MERF_GRAPHICS);
   assert(run->reobj);
+
+  if (SUCCEEDED(IOleObject_QueryInterface(run->reobj->obj.poleobj, &IID_IViewObject, (void**)&ivo)))
+  {
+    HRESULT hr;
+    SIZEL sizel = run->reobj->obj.sizel;
+
+    if (sizel.cx == 0 && sizel.cy == 0)
+    {
+      hr = IOleObject_GetExtent(run->reobj->obj.poleobj, DVASPECT_CONTENT, &sizel);
+      if (FAILED(hr))
+      {
+        WARN("failed to get extent: %#08lx\n", hr);
+        IViewObject_Release(ivo);
+        return;
+      }
+    }
+
+    convert_sizel(c, &sizel, &sz);
+    if (c->editor->nZoomNumerator != 0)
+    {
+      sz.cx = MulDiv(sz.cx, c->editor->nZoomNumerator, c->editor->nZoomDenominator);
+      sz.cy = MulDiv(sz.cy, c->editor->nZoomNumerator, c->editor->nZoomDenominator);
+    }
+
+    rc.left = x;
+    rc.top = y - sz.cy;
+    rc.right = x + sz.cx;
+    rc.bottom = y;
+
+    hr = IViewObject_Draw(ivo, DVASPECT_CONTENT, -1, 0, 0, 0, c->hDC, (RECTL*)&rc, NULL, NULL, 0);
+    if (FAILED(hr))
+    {
+      WARN("failed to draw object: %#08lx\n", hr);
+    }
+
+    IViewObject_Release(ivo);
+    return;
+  }
+
   if (IOleObject_QueryInterface(run->reobj->obj.poleobj, &IID_IDataObject, (void**)&ido) != S_OK)
   {
     FIXME("Couldn't get interface\n");
-- 
2.34.1