Huw Davies : ole32: Add support for loading dibs.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: bbba2c00aaaf478bce1b42aecc2aa6b5fda0ab79
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=bbba2c00aaaf478bce1b42aecc...

Author: Huw Davies 
Date:   Wed Mar 25 08:37:38 2015 +0000

ole32: Add support for loading dibs.

---

dlls/ole32/datacache.c | 41 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/dlls/ole32/datacache.c b/dlls/ole32/datacache.c
index a2b7e57..36c02dd 100644
--- a/dlls/ole32/datacache.c
+++ b/dlls/ole32/datacache.c
@@ -581,6 +581,43 @@ static HRESULT load_mf_pict( DataCacheEntry *cache_entry, IStream *stm )
     return hr;
 }

+static HRESULT load_dib( DataCacheEntry *cache_entry, IStream *stm )
+{
+    HRESULT hr;
+    STATSTG stat;
+    void *dib;
+    HGLOBAL hglobal;
+    ULONG read;
+
+    if (cache_entry->stream_type != contents_stream)
+    {
+        FIXME( "Unimplemented for stream type %d\n", cache_entry->stream_type );
+        return E_FAIL;
+    }
+
+    hr = IStream_Stat( stm, &stat, STATFLAG_NONAME );
+    if (FAILED( hr )) return hr;
+
+    hglobal = GlobalAlloc( GMEM_MOVEABLE, stat.cbSize.u.LowPart );
+    if (!hglobal) return E_OUTOFMEMORY;
+    dib = GlobalLock( hglobal );
+
+    hr = IStream_Read( stm, dib, stat.cbSize.u.LowPart, &read );
+    GlobalUnlock( hglobal );
+
+    if (hr != S_OK || read != stat.cbSize.u.LowPart)
+    {
+        GlobalFree( hglobal );
+        return E_FAIL;
+    }
+
+    cache_entry->data_cf = cache_entry->fmtetc.cfFormat;
+    cache_entry->stgmedium.tymed = TYMED_HGLOBAL;
+    cache_entry->stgmedium.u.hGlobal = hglobal;
+
+    return S_OK;
+}
+
 /************************************************************************
  * DataCacheEntry_LoadData
  *
@@ -608,6 +645,10 @@ static HRESULT DataCacheEntry_LoadData(DataCacheEntry *cache_entry)
         hr = load_mf_pict( cache_entry, stm );
         break;

+    case CF_DIB:
+        hr = load_dib( cache_entry, stm );
+        break;
+
     default:
         FIXME( "Unimplemented clip format %x\n", cache_entry->fmtetc.cfFormat );
         hr = E_NOTIMPL;