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ole32: Add support for saving metafiles to CONTENTS streams. 

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 2017-12-06 10:52:25 -05:00 committed by Alexandre Julliard
parent 65b3d01fae
commit 8dd207a219
1 changed files with 56 additions and 0 deletions
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56
dlls/ole32/datacache.c
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@ -842,6 +842,18 @@ 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;
@ -879,6 +891,50 @@ static HRESULT save_mfpict(DataCacheEntry *entry, BOOL contents, IStream *stream
hr = IStream_Write(stream, data, data_size, NULL);
HeapFree(GetProcessHeap(), 0, data);
}
else
{
struct meta_placeable meta_place_rec;
WORD *check;
if (entry->stgmedium.tymed != TYMED_NULL)
{
mfpict = GlobalLock(entry->stgmedium.u.hMetaFilePict);
if (!mfpict)
return DV_E_STGMEDIUM;
data_size = GetMetaFileBitsEx(mfpict->hMF, 0, NULL);
data = HeapAlloc(GetProcessHeap(), 0, data_size);
if (!data)
{
GlobalUnlock(entry->stgmedium.u.hMetaFilePict);
return E_OUTOFMEMORY;
}
GetMetaFileBitsEx(mfpict->hMF, data_size, data);
}
/* units are in 1/8th of a point (1 point is 1/72th of an inch) */
meta_place_rec.key = 0x9ac6cdd7;
meta_place_rec.hwmf = 0;
meta_place_rec.inch = 576;
meta_place_rec.bounding_box[0] = 0;
meta_place_rec.bounding_box[1] = 0;
meta_place_rec.bounding_box[2] = 0;
meta_place_rec.bounding_box[3] = 0;
meta_place_rec.checksum = 0;
meta_place_rec.reserved = 0;
if (mfpict)
{
/* These values are rounded down so MulDiv won't do the right thing */
meta_place_rec.bounding_box[2] = (LONGLONG)mfpict->xExt * meta_place_rec.inch / 2540;
meta_place_rec.bounding_box[3] = (LONGLONG)mfpict->yExt * meta_place_rec.inch / 2540;
GlobalUnlock(entry->stgmedium.u.hMetaFilePict);
}
for (check = (WORD *)&meta_place_rec; check != (WORD *)&meta_place_rec.checksum; check++)
meta_place_rec.checksum ^= *check;
hr = IStream_Write(stream, &meta_place_rec, sizeof(struct meta_placeable), NULL);
if (hr == S_OK && data_size)
hr = IStream_Write(stream, data, data_size, NULL);
HeapFree(GetProcessHeap(), 0, data);
}
return hr;
}