Signed-off-by: Sergio Gómez Del Real sdelreal@codeweavers.com --- dlls/ole32/datacache.c | 57 +++++++++++++++++++++++++++++++------------------- 1 file changed, 35 insertions(+), 22 deletions(-)
diff --git a/dlls/ole32/datacache.c b/dlls/ole32/datacache.c index ff42e4d34a..22b39cb9b4 100644 --- a/dlls/ole32/datacache.c +++ b/dlls/ole32/datacache.c @@ -647,48 +647,61 @@ static HRESULT load_dib( DataCacheEntry *cache_entry, IStream *stm ) { HRESULT hr; STATSTG stat; - void *dib; + BYTE *dib; HGLOBAL hglobal; ULONG read, info_size, bi_size; BITMAPFILEHEADER file; BITMAPINFOHEADER *info; - - if (cache_entry->load_stream_num != STREAM_NUMBER_CONTENTS) - { - FIXME( "Unimplemented for presentation stream\n" ); - return E_FAIL; - } + CLIPFORMAT cf; + PresentationDataHeader pres; + ULARGE_INTEGER current_pos; + static const LARGE_INTEGER offset_zero;
hr = IStream_Stat( stm, &stat, STATFLAG_NONAME ); if (FAILED( hr )) return hr;
- if (stat.cbSize.QuadPart < sizeof(file) + sizeof(DWORD)) return E_FAIL; - hr = IStream_Read( stm, &file, sizeof(file), &read ); - if (hr != S_OK || read != sizeof(file)) return E_FAIL; - stat.cbSize.QuadPart -= sizeof(file); + if (cache_entry->load_stream_num != STREAM_NUMBER_CONTENTS) + { + hr = read_clipformat( stm, &cf ); + if (hr != S_OK) return hr; + hr = IStream_Read( stm, &pres, sizeof(pres), &read ); + if (hr != S_OK) return hr; + } + else + { + hr = IStream_Read( stm, &file, sizeof(BITMAPFILEHEADER), &read ); + if (hr != S_OK) return hr; + } + + hr = IStream_Seek( stm, offset_zero, STREAM_SEEK_CUR, ¤t_pos ); + if (FAILED( hr )) return hr; + stat.cbSize.QuadPart -= current_pos.QuadPart;
hglobal = GlobalAlloc( GMEM_MOVEABLE, stat.cbSize.u.LowPart ); if (!hglobal) return E_OUTOFMEMORY; dib = GlobalLock( hglobal );
+ /* read first DWORD of BITMAPINFOHEADER */ hr = IStream_Read( stm, dib, sizeof(DWORD), &read ); - if (hr != S_OK || read != sizeof(DWORD)) goto fail; + if (hr != S_OK) goto fail; bi_size = *(DWORD *)dib; if (stat.cbSize.QuadPart < bi_size) goto fail;
- hr = IStream_Read( stm, (char *)dib + sizeof(DWORD), bi_size - sizeof(DWORD), &read ); - if (hr != S_OK || read != bi_size - sizeof(DWORD)) goto fail; + /* read rest of BITMAPINFOHEADER */ + hr = IStream_Read( stm, dib + sizeof(DWORD), bi_size - sizeof(DWORD), &read ); + if (hr != S_OK) goto fail;
- info_size = bitmap_info_size( dib, DIB_RGB_COLORS ); + info_size = bitmap_info_size( (BITMAPINFO *)dib, DIB_RGB_COLORS ); if (stat.cbSize.QuadPart < info_size) goto fail; if (info_size > bi_size) { - hr = IStream_Read( stm, (char *)dib + bi_size, info_size - bi_size, &read ); - if (hr != S_OK || read != info_size - bi_size) goto fail; + hr = IStream_Read( stm, dib + bi_size, info_size - bi_size, &read ); + if (hr != S_OK) goto fail; } stat.cbSize.QuadPart -= info_size;
- if (file.bfOffBits) + /* set Stream pointer to beginning of bitmap bits */ + if (cache_entry->load_stream_num == STREAM_NUMBER_CONTENTS && file.bfOffBits) { LARGE_INTEGER skip;
@@ -699,8 +712,8 @@ static HRESULT load_dib( DataCacheEntry *cache_entry, IStream *stm ) stat.cbSize.QuadPart -= skip.QuadPart; }
- hr = IStream_Read( stm, (char *)dib + info_size, stat.cbSize.u.LowPart, &read ); - if (hr != S_OK || read != stat.cbSize.QuadPart) goto fail; + hr = IStream_Read( stm, dib + info_size, stat.cbSize.u.LowPart, &read ); + if (hr != S_OK) goto fail;
if (bi_size >= sizeof(*info)) { @@ -719,12 +732,12 @@ static HRESULT load_dib( DataCacheEntry *cache_entry, IStream *stm ) cache_entry->stgmedium.tymed = TYMED_HGLOBAL; cache_entry->stgmedium.u.hGlobal = hglobal;
- return S_OK; + return hr;
fail: GlobalUnlock( hglobal ); GlobalFree( hglobal ); - return E_FAIL; + return hr;
}