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ole32: Add support for loading enhmetafiles from presentation and contents streams to data cache. 

Signed-off-by: Sergio Gómez Del Real <sdelreal@codeweavers.com>
Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Sergio Gómez Del Real 2018-04-11 11:45:14 -05:00 committed by Alexandre Julliard
parent 947ff4ba46
commit 3350cf2320
1 changed files with 82 additions and 24 deletions
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106
dlls/ole32/datacache.c
View File

@ -547,6 +547,30 @@ static HRESULT open_pres_stream( IStorage *stg, int stream_number, IStream **stm
return IStorage_OpenStream( stg, name, NULL, STGM_READ | STGM_SHARE_EXCLUSIVE, 0, stm ); return IStorage_OpenStream( stg, name, NULL, STGM_READ | STGM_SHARE_EXCLUSIVE, 0, stm );
} }
static HRESULT synthesize_emf( HMETAFILEPICT data, STGMEDIUM *med )
{
METAFILEPICT *pict;
HRESULT hr = E_FAIL;
UINT size;
void *bits;
if (!(pict = GlobalLock( data ))) return hr;
size = GetMetaFileBitsEx( pict->hMF, 0, NULL );
if ((bits = HeapAlloc( GetProcessHeap(), 0, size )))
{
GetMetaFileBitsEx( pict->hMF, size, bits );
med->u.hEnhMetaFile = SetWinMetaFileBits( size, bits, NULL, pict );
HeapFree( GetProcessHeap(), 0, bits );
med->tymed = TYMED_ENHMF;
med->pUnkForRelease = NULL;
hr = S_OK;
}
GlobalUnlock( data );
return hr;
}
static HRESULT load_mf_pict( DataCacheEntry *cache_entry, IStream *stm ) static HRESULT load_mf_pict( DataCacheEntry *cache_entry, IStream *stm )
{ {
HRESULT hr; HRESULT hr;
@ -704,6 +728,60 @@ fail:
} }
static HRESULT load_emf( DataCacheEntry *cache_entry, IStream *stm )
{
HRESULT hr;
if (cache_entry->load_stream_num != STREAM_NUMBER_CONTENTS)
{
STGMEDIUM stgmed;
hr = load_mf_pict( cache_entry, stm );
if (SUCCEEDED( hr ))
{
hr = synthesize_emf( cache_entry->stgmedium.u.hMetaFilePict, &stgmed );
ReleaseStgMedium( &cache_entry->stgmedium );
}
if (SUCCEEDED( hr ))
cache_entry->stgmedium = stgmed;
}
else
{
STATSTG stat;
BYTE *data;
ULONG read, size_bits;
hr = IStream_Stat( stm, &stat, STATFLAG_NONAME );
if (SUCCEEDED( hr ))
{
data = HeapAlloc( GetProcessHeap(), 0, stat.cbSize.u.LowPart );
if (!data) return E_OUTOFMEMORY;
hr = IStream_Read( stm, data, stat.cbSize.u.LowPart, &read );
if (hr != S_OK)
{
HeapFree( GetProcessHeap(), 0, data );
return hr;
}
if (read <= sizeof(DWORD) + sizeof(ENHMETAHEADER))
{
HeapFree( GetProcessHeap(), 0, data );
return E_FAIL;
}
size_bits = read - sizeof(DWORD) - sizeof(ENHMETAHEADER);
cache_entry->stgmedium.u.hEnhMetaFile = SetEnhMetaFileBits( size_bits, data + (read - size_bits) );
cache_entry->stgmedium.tymed = TYMED_ENHMF;
cache_entry->stgmedium.pUnkForRelease = NULL;
HeapFree( GetProcessHeap(), 0, data );
}
}
return hr;
}
/************************************************************************ /************************************************************************
* DataCacheEntry_LoadData * DataCacheEntry_LoadData
* *
@ -736,6 +814,10 @@ static HRESULT DataCacheEntry_LoadData(DataCacheEntry *cache_entry, IStorage *st
hr = load_dib( cache_entry, stm ); hr = load_dib( cache_entry, stm );
break; break;
case CF_ENHMETAFILE:
hr = load_emf( cache_entry, stm );
break;
default: default:
FIXME( "Unimplemented clip format %x\n", cache_entry->fmtetc.cfFormat ); FIXME( "Unimplemented clip format %x\n", cache_entry->fmtetc.cfFormat );
hr = E_NOTIMPL; hr = E_NOTIMPL;
@ -1118,30 +1200,6 @@ static HRESULT synthesize_bitmap( HGLOBAL dib, STGMEDIUM *med )
return hr; return hr;
} }
static HRESULT synthesize_emf( HMETAFILEPICT data, STGMEDIUM *med )
{
METAFILEPICT *pict;
HRESULT hr = E_FAIL;
UINT size;
void *bits;
if (!(pict = GlobalLock( data ))) return hr;
size = GetMetaFileBitsEx( pict->hMF, 0, NULL );
if ((bits = HeapAlloc( GetProcessHeap(), 0, size )))
{
GetMetaFileBitsEx( pict->hMF, size, bits );
med->u.hEnhMetaFile = SetWinMetaFileBits( size, bits, NULL, pict );
HeapFree( GetProcessHeap(), 0, bits );
med->tymed = TYMED_ENHMF;
med->pUnkForRelease = NULL;
hr = S_OK;
}
GlobalUnlock( data );
return hr;
}
static HRESULT DataCacheEntry_SetData(DataCacheEntry *cache_entry, static HRESULT DataCacheEntry_SetData(DataCacheEntry *cache_entry,
const FORMATETC *formatetc, const FORMATETC *formatetc,
STGMEDIUM *stgmedium, STGMEDIUM *stgmedium,