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workaround for emf+ files with broken dataSize of Image object record

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Change-Id: I5005961e1b618af949dc978a7ac560fc9eca3e65
This commit is contained in:
Radek Doulik
2013-02-25 15:05:19 +01:00
parent 804f47a893
commit 41cfd0fd9d
2 changed files with 8 additions and 8 deletions
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2
cppcanvas/source/inc/implrenderer.hxx
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@@ -259,7 +259,7 @@ static float GetSwapFloat( SvStream& rSt )
ActionVector::const_iterator& o_rRangeBegin,
ActionVector::const_iterator& o_rRangeEnd ) const;
void processObjectRecord(SvMemoryStream& rObjectStream, sal_uInt16 flags, sal_Bool bUseWholeStream = sal_False);
void processObjectRecord(SvMemoryStream& rObjectStream, sal_uInt16 flags, sal_uInt32 dataSize, sal_Bool bUseWholeStream = sal_False);
/* EMF+ */
void processEMFPlus( MetaCommentAction* pAct, const ActionFactoryParameters& rFactoryParms, OutDevState& rState, const CanvasSharedPtr& rCanvas );

14
cppcanvas/source/mtfrenderer/emfplus.cxx
View File

@@ -714,7 +714,7 @@ namespace cppcanvas
Graphic graphic;
void Read (SvMemoryStream &s, sal_Bool bUseWholeStream)
void Read (SvMemoryStream &s, sal_uInt32 dataSize, sal_Bool bUseWholeStream)
{
sal_uInt32 header, unknown;
@@ -736,11 +736,11 @@ namespace cppcanvas
sal_Int32 mfType, mfSize;
s >> mfType >> mfSize;
EMFP_DEBUG (printf ("EMF+\tmetafile type: %d dataSize: %d\n", mfType, mfSize));
EMFP_DEBUG (printf ("EMF+\tmetafile type: %d dataSize: %d real size calculated from record dataSize: %d\n", mfType, mfSize, dataSize - 16));
GraphicFilter filter;
// workaround buggy metafiles, which have wrong mfSize set (n#705956 for example)
SvMemoryStream mfStream (((char *)s.GetData()) + s.Tell(), bUseWholeStream ? s.remainingSize() : mfSize, STREAM_READ);
SvMemoryStream mfStream (((char *)s.GetData()) + s.Tell(), bUseWholeStream ? s.remainingSize() : dataSize - 16, STREAM_READ);
filter.ImportGraphic (graphic, String (), mfStream);
@@ -1090,7 +1090,7 @@ namespace cppcanvas
}
}
void ImplRenderer::processObjectRecord(SvMemoryStream& rObjectStream, sal_uInt16 flags, sal_Bool bUseWholeStream)
void ImplRenderer::processObjectRecord(SvMemoryStream& rObjectStream, sal_uInt16 flags, sal_uInt32 dataSize, sal_Bool bUseWholeStream)
{
sal_uInt32 index;
@@ -1145,7 +1145,7 @@ namespace cppcanvas
{
EMFPImage *image;
aObjects [index] = image = new EMFPImage ();
image->Read (rObjectStream, bUseWholeStream);
image->Read (rObjectStream, dataSize, bUseWholeStream);
break;
}
@@ -1211,7 +1211,7 @@ namespace cppcanvas
if (mbMultipart) {
EMFP_DEBUG (printf ("EMF+ multipart record flags: %04hx\n", mMFlags));
mMStream.Seek (0);
processObjectRecord (mMStream, mMFlags, sal_True);
processObjectRecord (mMStream, mMFlags, dataSize, sal_True);
}
mbMultipart = false;
}
@@ -1235,7 +1235,7 @@ namespace cppcanvas
EMFP_DEBUG (printf ("EMF+\talready used in svtools wmf/emf filter parser\n"));
break;
case EmfPlusRecordTypeObject:
processObjectRecord (rMF, flags);
processObjectRecord (rMF, flags, dataSize);
break;
case EmfPlusRecordTypeFillPie:
{