diff options
Diffstat (limited to 'filter/source/msfilter/escherex.cxx')
-rw-r--r-- | filter/source/msfilter/escherex.cxx | 298 |
1 files changed, 186 insertions, 112 deletions
diff --git a/filter/source/msfilter/escherex.cxx b/filter/source/msfilter/escherex.cxx index 10e1051eba2a..ff5be3476da7 100644 --- a/filter/source/msfilter/escherex.cxx +++ b/filter/source/msfilter/escherex.cxx @@ -3669,13 +3669,13 @@ void EscherGraphicProvider::WriteBlibStoreContainer( SvStream& rSt, SvStream* pM // record type *pMergePicStreamBSE >> n16; rSt << UINT16( ESCHER_BlipFirst + nBlibType ); - DBG_ASSERT( n16 == ESCHER_BlipFirst + nBlibType , "EscherEx::Flush: BLIP record types differ" ); + DBG_ASSERT( n16 == ESCHER_BlipFirst + nBlibType , "EscherGraphicProvider::WriteBlibStoreContainer: BLIP record types differ" ); UINT32 n32; // record size *pMergePicStreamBSE >> n32; nBlipSize -= 8; rSt << nBlipSize; - DBG_ASSERT( nBlipSize == n32, "EscherEx::Flush: BLIP sizes differ" ); + DBG_ASSERT( nBlipSize == n32, "EscherGraphicProvider::WriteBlibStoreContainer: BLIP sizes differ" ); // record while ( nBlipSize ) { @@ -4290,63 +4290,189 @@ void EscherSolverContainer::WriteSolver( SvStream& rStrm ) } // --------------------------------------------------------------------------------------------- + +EscherExGlobal::EscherExGlobal( sal_uInt32 nGraphicProvFlags ) : + EscherGraphicProvider( nGraphicProvFlags ), + mpPicStrm( 0 ), + mbHasDggCont( false ), + mbPicStrmQueried( false ) +{ +} + +EscherExGlobal::~EscherExGlobal() +{ +} + +sal_uInt32 EscherExGlobal::GenerateDrawingId() +{ + // new drawing starts a new cluster in the cluster table (cluster identifiers are one-based) + sal_uInt32 nClusterId = static_cast< sal_uInt32 >( maClusterTable.size() + 1 ); + // drawing identifiers are one-based + sal_uInt32 nDrawingId = static_cast< sal_uInt32 >( maDrawingInfos.size() + 1 ); + // prepare new entries in the tables + maClusterTable.push_back( ClusterEntry( nDrawingId ) ); + maDrawingInfos.push_back( DrawingInfo( nClusterId ) ); + // return the new drawing identifier + return nDrawingId; +} + +sal_uInt32 EscherExGlobal::GenerateShapeId( sal_uInt32 nDrawingId, bool bIsInSpgr ) +{ + // drawing identifier is one-based + size_t nDrawingIdx = nDrawingId - 1; + OSL_ENSURE( nDrawingIdx < maDrawingInfos.size(), "EscherExGlobal::GenerateShapeId - invalid drawing ID" ); + if( nDrawingIdx >= maDrawingInfos.size() ) + return 0; + DrawingInfo& rDrawingInfo = maDrawingInfos[ nDrawingIdx ]; + + // cluster identifier in drawing info struct is one-based + ClusterEntry* pClusterEntry = &maClusterTable[ rDrawingInfo.mnClusterId - 1 ]; + + // check cluster overflow, create new cluster entry + if( pClusterEntry->mnNextShapeId == DFF_DGG_CLUSTER_SIZE ) + { + // start a new cluster in the cluster table + maClusterTable.push_back( ClusterEntry( nDrawingId ) ); + pClusterEntry = &maClusterTable.back(); + // new size of maClusterTable is equal to one-based identifier of the new cluster + rDrawingInfo.mnClusterId = static_cast< sal_uInt32 >( maClusterTable.size() ); + } + + // build shape identifier from cluster identifier and next free cluster shape identifier + rDrawingInfo.mnLastShapeId = static_cast< sal_uInt32 >( rDrawingInfo.mnClusterId * DFF_DGG_CLUSTER_SIZE + pClusterEntry->mnNextShapeId ); + // update free shape identifier in cluster entry + ++pClusterEntry->mnNextShapeId; + /* Old code has counted the shapes only, if we are in a SPGRCONTAINER. Is + this really intended? Maybe it's always true... */ + if( bIsInSpgr ) + ++rDrawingInfo.mnShapeCount; + + // return the new shape identifier + return rDrawingInfo.mnLastShapeId; +} + +sal_uInt32 EscherExGlobal::GetDrawingShapeCount( sal_uInt32 nDrawingId ) const +{ + size_t nDrawingIdx = nDrawingId - 1; + OSL_ENSURE( nDrawingIdx < maDrawingInfos.size(), "EscherExGlobal::GetDrawingShapeCount - invalid drawing ID" ); + return (nDrawingIdx < maDrawingInfos.size()) ? maDrawingInfos[ nDrawingIdx ].mnShapeCount : 0; +} + +sal_uInt32 EscherExGlobal::GetLastShapeId( sal_uInt32 nDrawingId ) const +{ + size_t nDrawingIdx = nDrawingId - 1; + OSL_ENSURE( nDrawingIdx < maDrawingInfos.size(), "EscherExGlobal::GetLastShapeId - invalid drawing ID" ); + return (nDrawingIdx < maDrawingInfos.size()) ? maDrawingInfos[ nDrawingIdx ].mnLastShapeId : 0; +} + +sal_uInt32 EscherExGlobal::GetDggAtomSize() const +{ + // 8 bytes header, 16 bytes fixed DGG data, 8 bytes for each cluster + return static_cast< sal_uInt32 >( 24 + 8 * maClusterTable.size() ); +} + +void EscherExGlobal::WriteDggAtom( SvStream& rStrm ) const +{ + sal_uInt32 nDggSize = GetDggAtomSize(); + + // write the DGG record header (do not include the 8 bytes of the header in the data size) + rStrm << static_cast< sal_uInt32 >( ESCHER_Dgg << 16 ) << static_cast< sal_uInt32 >( nDggSize - 8 ); + + // claculate and write the fixed DGG data + sal_uInt32 nShapeCount = 0; + sal_uInt32 nLastShapeId = 0; + for( DrawingInfoVector::const_iterator aIt = maDrawingInfos.begin(), aEnd = maDrawingInfos.end(); aIt != aEnd; ++aIt ) + { + nShapeCount += aIt->mnShapeCount; + nLastShapeId = ::std::max( nLastShapeId, aIt->mnLastShapeId ); + } + // the non-existing cluster with index #0 is counted too + sal_uInt32 nClusterCount = static_cast< sal_uInt32 >( maClusterTable.size() + 1 ); + sal_uInt32 nDrawingCount = static_cast< sal_uInt32 >( maDrawingInfos.size() ); + rStrm << nLastShapeId << nClusterCount << nShapeCount << nDrawingCount; + + // write the cluster table + for( ClusterTable::const_iterator aIt = maClusterTable.begin(), aEnd = maClusterTable.end(); aIt != aEnd; ++aIt ) + rStrm << aIt->mnDrawingId << aIt->mnNextShapeId; +} + +SvStream* EscherExGlobal::QueryPictureStream() +{ + if( !mbPicStrmQueried ) + { + mpPicStrm = ImplQueryPictureStream(); + mbPicStrmQueried = true; + } + return mpPicStrm; +} + +SvStream* EscherExGlobal::ImplQueryPictureStream() +{ + return 0; +} + +// --------------------------------------------------------------------------------------------- // --------------------------------------------------------------------------------------------- // --------------------------------------------------------------------------------------------- -EscherEx::EscherEx( SvStream& rOutStrm, UINT32 nDrawings ) : - EscherGraphicProvider ( 0 ), +EscherEx::EscherEx( const EscherExGlobalRef& rxGlobal, SvStream& rOutStrm ) : + mxGlobal ( rxGlobal ), mpOutStrm ( &rOutStrm ), - mnDrawings ( nDrawings ), mnGroupLevel ( 0 ), mnHellLayerId ( USHRT_MAX ), mbEscherSpgr ( FALSE ), - mbEscherDgg ( FALSE ), // TRUE, wenn jemals ein ESCHER_Dgg angelegt wurde, dieser wird dann im Dest. aktualisiert - mbEscherDg ( FALSE ), - mbOleEmf ( FALSE ) + mbEscherDg ( FALSE ) { mnStrmStartOfs = mpOutStrm->Tell(); - mpImplEscherExSdr = new ImplEscherExSdr( *this ); + mpImplEscherExSdr.reset( new ImplEscherExSdr( *this ) ); +} + +EscherEx::~EscherEx() +{ } // --------------------------------------------------------------------------------------------- void EscherEx::Flush( SvStream* pPicStreamMergeBSE /* = NULL */ ) { - if ( mbEscherDgg ) // ESCHER_Dgg anpassen + if ( mxGlobal->HasDggContainer() ) { + // store the current stream position at ESCHER_Persist_CurrentPosition key PtReplaceOrInsert( ESCHER_Persist_CurrentPosition, mpOutStrm->Tell() ); if ( DoSeek( ESCHER_Persist_Dgg ) ) { - *mpOutStrm << mnCurrentShapeID << (UINT32)( mnFIDCLs + 1 ) << mnTotalShapesDgg << mnDrawings; - } - if ( HasGraphics() ) - { - if ( DoSeek( ESCHER_Persist_BlibStoreContainer ) ) // ESCHER_BlibStoreContainer schreiben + /* The DGG record is still not written. ESCHER_Persist_Dgg seeks + to the place where the complete record has to be inserted. */ + InsertAtCurrentPos( mxGlobal->GetDggAtomSize(), false ); + mxGlobal->WriteDggAtom( *mpOutStrm ); + + if ( mxGlobal->HasGraphics() ) { - sal_uInt32 nAddBytes = GetBlibStoreContainerSize( pPicStreamMergeBSE ); - if ( nAddBytes ) + /* Calculate the total size of the BSTORECONTAINER including + all BSE records containing the picture data contained in + the passed in pPicStreamMergeBSE. */ + sal_uInt32 nBSCSize = mxGlobal->GetBlibStoreContainerSize( pPicStreamMergeBSE ); + if ( nBSCSize > 0 ) { - InsertAtCurrentPos( nAddBytes, TRUE ); // platz schaffen fuer Blib Container samt seinen Blib Atomen - WriteBlibStoreContainer( *mpOutStrm, pPicStreamMergeBSE ); + InsertAtCurrentPos( nBSCSize, false ); + mxGlobal->WriteBlibStoreContainer( *mpOutStrm, pPicStreamMergeBSE ); } } + + /* Forget the stream position stored for the DGG which is invalid + after the call to InsertAtCurrentPos() anyway. */ + PtDelete( ESCHER_Persist_Dgg ); } + // seek to initial position (may be different due to inserted DGG and BLIPs) mpOutStrm->Seek( PtGetOffsetByID( ESCHER_Persist_CurrentPosition ) ); } } // --------------------------------------------------------------------------------------------- -EscherEx::~EscherEx() -{ - delete mpImplEscherExSdr; -} - -// --------------------------------------------------------------------------------------------- - -void EscherEx::InsertAtCurrentPos( UINT32 nBytes, BOOL bContainer ) +void EscherEx::InsertAtCurrentPos( UINT32 nBytes, bool bExpandEndOfAtom ) { UINT32 nSize, nType, nSource, nBufSize, nToCopy, nCurPos = mpOutStrm->Tell(); BYTE* pBuf; @@ -4364,11 +4490,16 @@ void EscherEx::InsertAtCurrentPos( UINT32 nBytes, BOOL bContainer ) while ( mpOutStrm->Tell() < nCurPos ) { *mpOutStrm >> nType >> nSize; - if ( ( mpOutStrm->Tell() + nSize ) >= ( ( bContainer ) ? nCurPos + 1 : nCurPos ) ) + sal_uInt32 nEndOfRecord = mpOutStrm->Tell() + nSize; + bool bContainer = (nType & 0x0F) == 0x0F; + /* Expand the record, if the insertion position is inside, or if the + position is at the end of a container (expands always), or at the + end of an atom and bExpandEndOfAtom is set. */ + if ( (nCurPos < nEndOfRecord) || ((nCurPos == nEndOfRecord) && (bContainer || bExpandEndOfAtom)) ) { mpOutStrm->SeekRel( -4 ); *mpOutStrm << (UINT32)( nSize + nBytes ); - if ( ( nType & 0xf ) != 0xf ) + if ( !bContainer ) mpOutStrm->SeekRel( nSize ); } else @@ -4428,6 +4559,16 @@ void EscherEx::InsertPersistOffset( UINT32 nKey, UINT32 nOffset ) PtInsert( ESCHER_Persist_PrivateEntry | nKey, nOffset ); } +void EscherEx::ReplacePersistOffset( UINT32 nKey, UINT32 nOffset ) +{ + PtReplace( ESCHER_Persist_PrivateEntry | nKey, nOffset ); +} + +UINT32 EscherEx::GetPersistOffset( UINT32 nKey ) +{ + return PtGetOffsetByID( ESCHER_Persist_PrivateEntry | nKey ); +} + // --------------------------------------------------------------------------------------------- BOOL EscherEx::DoSeek( UINT32 nKey ) @@ -4476,39 +4617,25 @@ void EscherEx::OpenContainer( UINT16 nEscherContainer, int nRecInstance ) { case ESCHER_DggContainer : { - mbEscherDgg = TRUE; - mnFIDCLs = mnDrawings; + mxGlobal->SetDggContainer(); mnCurrentDg = 0; - mnCurrentShapeID = 0; - mnTotalShapesDgg = 0; - mnCurrentShapeMaximumID = 0; - AddAtom( 16 + ( mnDrawings << 3 ), ESCHER_Dgg ); // an FDGG and several FIDCLs + /* Remember the current position as start position of the DGG + record and BSTORECONTAINER, but do not write them actually. + This will be done later in Flush() when the number of drawings, + the size and contents of the FIDCL cluster table, and the size + of the BLIP container are known. */ PtReplaceOrInsert( ESCHER_Persist_Dgg, mpOutStrm->Tell() ); - *mpOutStrm << (UINT32)0 // the current maximum shape ID - << (UINT32)0 // the number of ID clusters + 1 - << (UINT32)0 // the number of total shapes saved - << (UINT32)0; // the total number of drawings saved - PtReplaceOrInsert( ESCHER_Persist_Dgg_FIDCL, mpOutStrm->Tell() ); - for ( UINT32 i = 0; i < mnFIDCLs; i++ ) // Dummy FIDCLs einfuegen - { - *mpOutStrm << (UINT32)0 << (UINT32)0; // Drawing Nummer, Anzahl der Shapes in diesem IDCL - } - PtReplaceOrInsert( ESCHER_Persist_BlibStoreContainer, mpOutStrm->Tell() ); } break; case ESCHER_DgContainer : { - if ( mbEscherDgg ) + if ( mxGlobal->HasDggContainer() ) { if ( !mbEscherDg ) { mbEscherDg = TRUE; - mnCurrentDg++; - mnTotalShapesDg = 0; - mnTotalShapeIdUsedDg = 0; - mnCurrentShapeID = ( mnCurrentShapeMaximumID &~0x3ff ) + 0x400; // eine neue Seite bekommt immer eine neue ShapeId die ein vielfaches von 1024 ist, - // damit ist erste aktuelle Shape ID 0x400 + mnCurrentDg = mxGlobal->GenerateDrawingId(); AddAtom( 8, ESCHER_Dg, 0, mnCurrentDg ); PtReplaceOrInsert( ESCHER_Persist_Dg | mnCurrentDg, mpOutStrm->Tell() ); *mpOutStrm << (UINT32)0 // The number of shapes in this drawing @@ -4554,48 +4681,7 @@ void EscherEx::CloseContainer() { mbEscherDg = FALSE; if ( DoSeek( ESCHER_Persist_Dg | mnCurrentDg ) ) - { - // shapeanzahl des drawings setzen - mnTotalShapesDgg += mnTotalShapesDg; - *mpOutStrm << mnTotalShapesDg << mnCurrentShapeMaximumID; - if ( DoSeek( ESCHER_Persist_Dgg_FIDCL ) ) - { - if ( mnTotalShapesDg == 0 ) - { - mpOutStrm->SeekRel( 8 ); - } - else - { - if ( mnTotalShapeIdUsedDg ) - { - // die benutzten Shape Ids des drawings in die fidcls setzen - UINT32 i, nFIDCL = ( ( mnTotalShapeIdUsedDg - 1 ) / 0x400 ); - if ( nFIDCL ) - { - if ( nPos > mpOutStrm->Tell() ) - nPos += ( nFIDCL << 3 ); - - mnFIDCLs += nFIDCL; - InsertAtCurrentPos( nFIDCL << 3 ); // platz schaffen fuer weitere FIDCL's - } - for ( i = 0; i <= nFIDCL; i++ ) - { - *mpOutStrm << mnCurrentDg; - if ( i < nFIDCL ) - *mpOutStrm << (UINT32)0x400; - else - { - UINT32 nShapesLeft = mnTotalShapeIdUsedDg % 0x400; - if ( !nShapesLeft ) - nShapesLeft = 0x400; - *mpOutStrm << (UINT32)nShapesLeft; - } - } - } - } - PtReplaceOrInsert( ESCHER_Persist_Dgg_FIDCL, mpOutStrm->Tell() ); // neuen FIDCL Offset fuer naechste Seite - } - } + *mpOutStrm << mxGlobal->GetDrawingShapeCount( mnCurrentDg ) << mxGlobal->GetLastShapeId( mnCurrentDg ); } } break; @@ -4649,10 +4735,10 @@ void EscherEx::AddAtom( UINT32 nAtomSize, UINT16 nRecType, int nRecVersion, int void EscherEx::AddChildAnchor( const Rectangle& rRect ) { AddAtom( 16, ESCHER_ChildAnchor ); - GetStream() << (INT32)rRect.Left() - << (INT32)rRect.Top() - << (INT32)rRect.Right() - << (INT32)rRect.Bottom(); + *mpOutStrm << (sal_Int32)rRect.Left() + << (sal_Int32)rRect.Top() + << (sal_Int32)rRect.Right() + << (sal_Int32)rRect.Bottom(); } // --------------------------------------------------------------------------------------------- @@ -4691,7 +4777,7 @@ UINT32 EscherEx::EnterGroup( const String& rShapeName, const Rectangle* pBoundRe << (INT32)aRect.Right() << (INT32)aRect.Bottom(); - UINT32 nShapeId = GetShapeID(); + sal_uInt32 nShapeId = GenerateShapeId(); if ( !mnGroupLevel ) AddShape( ESCHER_ShpInst_Min, 5, nShapeId ); // Flags: Group | Patriarch else @@ -4782,7 +4868,7 @@ void EscherEx::AddShape( UINT32 nShpInstance, UINT32 nFlags, UINT32 nShapeID ) AddAtom( 8, ESCHER_Sp, 2, nShpInstance ); if ( !nShapeID ) - nShapeID = GetShapeID(); + nShapeID = GenerateShapeId(); if ( nFlags ^ 1 ) // is this a group shape ? { // if not @@ -4790,19 +4876,6 @@ void EscherEx::AddShape( UINT32 nShpInstance, UINT32 nFlags, UINT32 nShapeID ) nFlags |= 2; // this not a topmost shape } *mpOutStrm << nShapeID << nFlags; - - if ( mbEscherSpgr ) - mnTotalShapesDg++; -} - -// --------------------------------------------------------------------------------------------- - -UINT32 EscherEx::GetShapeID() -{ - mnCurrentShapeMaximumID = mnCurrentShapeID; // maximum setzen - mnCurrentShapeID++; // mnCurrentShape ID auf nachste freie ID - mnTotalShapeIdUsedDg++; - return mnCurrentShapeMaximumID; } // --------------------------------------------------------------------------------------------- @@ -4842,3 +4915,4 @@ UINT32 EscherEx::GetColor( const Color& rSOColor, BOOL bSwap ) } // --------------------------------------------------------------------------------------------- + |