[PATCH v2 3/5] ole32: Add support for loading wmf from contents streams to data cache.

[Sergio Gómez Del Real]

Signed-off-by: Sergio Gómez Del Real <sdelreal at codeweavers.com>
---
 dlls/ole32/datacache.c | 71 +++++++++++++++++++++++++++++---------------------
 1 file changed, 42 insertions(+), 29 deletions(-)

diff --git a/dlls/ole32/datacache.c b/dlls/ole32/datacache.c
index e6cda331dd..0f23faf08c 100644
--- a/dlls/ole32/datacache.c
+++ b/dlls/ole32/datacache.c
@@ -609,6 +609,17 @@ static HRESULT synthesize_emf( HMETAFILEPICT data, STGMEDIUM *med )
     GlobalUnlock( data );
     return hr;
 }
+#include <pshpack2.h>
+struct meta_placeable
+{
+    DWORD key;
+    WORD hwmf;
+    WORD bounding_box[4];
+    WORD inch;
+    DWORD reserved;
+    WORD checksum;
+};
+#include <poppack.h>
 
 static HRESULT read_pres_header( IStream *stm, DWORD *clip_format,
                                  PresentationDataHeader *pres_hdr )
@@ -629,28 +640,34 @@ static HRESULT load_mf_pict( DataCacheEntry *cache_entry, IStream *stm )
     HRESULT hr;
     STATSTG stat;
     ULARGE_INTEGER current_pos;
-    void *bits;
+    void *bits, *hdr;
     METAFILEPICT *mfpict;
     HGLOBAL hmfpict;
-    PresentationDataHeader header;
-    CLIPFORMAT clipformat;
     static const LARGE_INTEGER offset_zero;
-    ULONG read;
-
-    if (cache_entry->load_stream_num == STREAM_NUMBER_CONTENTS)
-    {
-        FIXME( "Unimplemented for CONTENTS stream\n" );
-        return E_FAIL;
-    }
+    ULONG read, hdr_size;
+    /* only standard clipformats */
+    struct {
+        DWORD cf[2];
+        PresentationDataHeader pres;
+    } pres_hdr;
+    struct meta_placeable meta_place_rec;
 
     hr = IStream_Stat( stm, &stat, STATFLAG_NONAME );
     if (FAILED( hr )) return hr;
 
-    hr = read_clipformat( stm, &clipformat );
-    if (FAILED( hr )) return hr;
+    if (cache_entry->load_stream_num != STREAM_NUMBER_CONTENTS)
+    {
+        hdr_size = sizeof(pres_hdr);
+        hdr = &pres_hdr;
+    }
+    else
+    {
+        hdr_size = sizeof(struct meta_placeable);
+        hdr = &meta_place_rec;
+    }
 
-    hr = IStream_Read( stm, &header, sizeof(header), &read );
-    if (hr != S_OK || read != sizeof(header)) return E_FAIL;
+    hr = IStream_Read( stm, hdr, hdr_size, &read );
+    if (hr != S_OK || read != hdr_size) return E_FAIL;
 
     hr = IStream_Seek( stm, offset_zero, STREAM_SEEK_CUR, &current_pos );
     if (FAILED( hr )) return hr;
@@ -673,10 +690,18 @@ static HRESULT load_mf_pict( DataCacheEntry *cache_entry, IStream *stm )
 
     if (SUCCEEDED( hr ))
     {
-        /* FIXME: get this from the stream */
         mfpict->mm = MM_ANISOTROPIC;
-        mfpict->xExt = header.dwObjectExtentX;
-        mfpict->yExt = header.dwObjectExtentY;
+        /* FIXME: get this from the stream */
+        if (cache_entry->load_stream_num != STREAM_NUMBER_CONTENTS)
+        {
+            mfpict->xExt = pres_hdr.pres.dwObjectExtentX;
+            mfpict->yExt = pres_hdr.pres.dwObjectExtentY;
+        }
+        else
+        {
+            mfpict->xExt = (meta_place_rec.bounding_box[2] * 2540) / meta_place_rec.inch;
+            mfpict->yExt = (meta_place_rec.bounding_box[3] * 2540) / meta_place_rec.inch;
+        }
         mfpict->hMF = SetMetaFileBitsEx( stat.cbSize.u.LowPart, bits );
         if (!mfpict->hMF)
             hr = E_FAIL;
@@ -964,18 +989,6 @@ end:
     return hr;
 }
 
-#include <pshpack2.h>
-struct meta_placeable
-{
-    DWORD key;
-    WORD hwmf;
-    WORD bounding_box[4];
-    WORD inch;
-    DWORD reserved;
-    WORD checksum;
-};
-#include <poppack.h>
-
 static HRESULT save_mfpict(DataCacheEntry *entry, BOOL contents, IStream *stream)
 {
     HRESULT hr = S_OK;
-- 
2.14.1