Files
libreoffice/sw/source/core/text/txtfly.cxx
Stephan Bergmann b2c8ea3a02 loplugin:cstylecast: deal with remaining pointer casts
Change-Id: I8d27ae80d209159690182ab91e272cf00e9f863d
2015-06-08 16:28:47 +02:00

1417 lines
52 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <vcl/outdev.hxx>
#include <vcl/virdev.hxx>
#include "dcontact.hxx"
#include "pagefrm.hxx"
#include "rootfrm.hxx"
#include "pam.hxx"
#include "swregion.hxx"
#include "dflyobj.hxx"
#include "flyfrm.hxx"
#include "frmtool.hxx"
#include "porfly.hxx"
#include "porfld.hxx"
#include "txtfly.hxx"
#include "txtpaint.hxx"
#include "txtatr.hxx"
#include "notxtfrm.hxx"
#include "fmtcnct.hxx"
#include "inftxt.hxx"
#include <pormulti.hxx>
#include <svx/obj3d.hxx>
#include <editeng/txtrange.hxx>
#include <editeng/lrspitem.hxx>
#include <editeng/ulspitem.hxx>
#include <editeng/lspcitem.hxx>
#include <fmtsrnd.hxx>
#include <fmtanchr.hxx>
#include <frmfmt.hxx>
#include <pagedesc.hxx>
#include <tgrditem.hxx>
#include <sortedobjs.hxx>
#include <layouter.hxx>
#include <IDocumentDrawModelAccess.hxx>
#include <IDocumentLayoutAccess.hxx>
#include <IDocumentSettingAccess.hxx>
#include <svx/svdoedge.hxx>
#ifdef DBG_UTIL
#include "viewsh.hxx"
#include "viewopt.hxx"
#include "doc.hxx"
#endif
using namespace ::com::sun::star;
namespace
{
// #i68520#
struct AnchoredObjOrder
{
bool mbR2L;
SwRectFn mfnRect;
AnchoredObjOrder( const bool bR2L,
SwRectFn fnRect )
: mbR2L( bR2L ),
mfnRect( fnRect )
{}
bool operator()( const SwAnchoredObject* pListedAnchoredObj,
const SwAnchoredObject* pNewAnchoredObj )
{
const SwRect aBoundRectOfListedObj( pListedAnchoredObj->GetObjRectWithSpaces() );
const SwRect aBoundRectOfNewObj( pNewAnchoredObj->GetObjRectWithSpaces() );
if ( ( mbR2L &&
( (aBoundRectOfListedObj.*mfnRect->fnGetRight)() ==
(aBoundRectOfNewObj.*mfnRect->fnGetRight)() ) ) ||
( !mbR2L &&
( (aBoundRectOfListedObj.*mfnRect->fnGetLeft)() ==
(aBoundRectOfNewObj.*mfnRect->fnGetLeft)() ) ) )
{
SwTwips nTopDiff =
(*mfnRect->fnYDiff)( (aBoundRectOfNewObj.*mfnRect->fnGetTop)(),
(aBoundRectOfListedObj.*mfnRect->fnGetTop)() );
if ( nTopDiff == 0 &&
( ( mbR2L &&
( (aBoundRectOfNewObj.*mfnRect->fnGetLeft)() >
(aBoundRectOfListedObj.*mfnRect->fnGetLeft)() ) ) ||
( !mbR2L &&
( (aBoundRectOfNewObj.*mfnRect->fnGetRight)() <
(aBoundRectOfListedObj.*mfnRect->fnGetRight)() ) ) ) )
{
return true;
}
else if ( nTopDiff > 0 )
{
return true;
}
}
else if ( ( mbR2L &&
( (aBoundRectOfListedObj.*mfnRect->fnGetRight)() >
(aBoundRectOfNewObj.*mfnRect->fnGetRight)() ) ) ||
( !mbR2L &&
( (aBoundRectOfListedObj.*mfnRect->fnGetLeft)() <
(aBoundRectOfNewObj.*mfnRect->fnGetLeft)() ) ) )
{
return true;
}
return false;
}
};
}
SwContourCache::SwContourCache() :
nPntCnt( 0 ), nObjCnt( 0 )
{
memset( pSdrObj, 0, sizeof(pSdrObj) );
memset( pTextRanger, 0, sizeof(pTextRanger) );
}
SwContourCache::~SwContourCache()
{
for( sal_uInt16 i = 0; i < nObjCnt; delete pTextRanger[ i++ ] )
;
}
void SwContourCache::ClrObject( sal_uInt16 nPos )
{
assert(pTextRanger[nPos] && "ClrObject: Already cleared. Good Bye!");
nPntCnt -= pTextRanger[ nPos ]->GetPointCount();
delete pTextRanger[ nPos ];
--nObjCnt;
memmove( const_cast<SdrObject**>(pSdrObj) + nPos, pSdrObj + nPos + 1,
( nObjCnt - nPos ) * sizeof( SdrObject* ) );
memmove( pTextRanger + nPos, pTextRanger + nPos + 1,
( nObjCnt - nPos ) * sizeof( TextRanger* ) );
}
void ClrContourCache( const SdrObject *pObj )
{
if( pContourCache && pObj )
for( sal_uInt16 i = 0; i < pContourCache->GetCount(); ++i )
if( pObj == pContourCache->GetObject( i ) )
{
pContourCache->ClrObject( i );
break;
}
}
void ClrContourCache()
{
if( pContourCache )
{
for( sal_uInt16 i = 0; i < pContourCache->GetCount();
delete pContourCache->pTextRanger[ i++ ] )
;
pContourCache->nObjCnt = 0;
pContourCache->nPntCnt = 0;
}
}
// #i68520#
const SwRect SwContourCache::CalcBoundRect( const SwAnchoredObject* pAnchoredObj,
const SwRect &rLine,
const SwTextFrm* pFrm,
const long nXPos,
const bool bRight )
{
SwRect aRet;
const SwFrameFormat* pFormat = &(pAnchoredObj->GetFrameFormat());
if( pFormat->GetSurround().IsContour() &&
( !pAnchoredObj->ISA(SwFlyFrm) ||
( static_cast<const SwFlyFrm*>(pAnchoredObj)->Lower() &&
static_cast<const SwFlyFrm*>(pAnchoredObj)->Lower()->IsNoTextFrm() ) ) )
{
aRet = pAnchoredObj->GetObjRectWithSpaces();
if( aRet.IsOver( rLine ) )
{
if( !pContourCache )
pContourCache = new SwContourCache;
aRet = pContourCache->ContourRect(
pFormat, pAnchoredObj->GetDrawObj(), pFrm, rLine, nXPos, bRight );
}
else
aRet.Width( 0 );
}
else
{
aRet = pAnchoredObj->GetObjRectWithSpaces();
}
return aRet;
}
const SwRect SwContourCache::ContourRect( const SwFormat* pFormat,
const SdrObject* pObj, const SwTextFrm* pFrm, const SwRect &rLine,
const long nXPos, const bool bRight )
{
SwRect aRet;
sal_uInt16 nPos = 0; // Search in the Cache
while( nPos < GetCount() && pObj != pSdrObj[ nPos ] )
++nPos;
if( GetCount() == nPos ) // Not found
{
if( nObjCnt == POLY_CNT )
{
nPntCnt -= pTextRanger[ --nObjCnt ]->GetPointCount();
delete pTextRanger[ nObjCnt ];
}
::basegfx::B2DPolyPolygon aPolyPolygon;
::basegfx::B2DPolyPolygon* pPolyPolygon = 0L;
if ( pObj->ISA(SwVirtFlyDrawObj) )
{
// GetContour() causes the graphic to be loaded, which may cause
// the graphic to change its size, call ClrObject()
tools::PolyPolygon aPoly;
if( !static_cast<const SwVirtFlyDrawObj*>(pObj)->GetFlyFrm()->GetContour( aPoly ) )
aPoly = tools::PolyPolygon( static_cast<const SwVirtFlyDrawObj*>(pObj)->
GetFlyFrm()->Frm().SVRect() );
aPolyPolygon.clear();
aPolyPolygon.append(aPoly.getB2DPolyPolygon());
}
else
{
if( !pObj->ISA( E3dObject ) )
{
aPolyPolygon = pObj->TakeXorPoly();
}
::basegfx::B2DPolyPolygon aContourPoly(pObj->TakeContour());
pPolyPolygon = new ::basegfx::B2DPolyPolygon(aContourPoly);
}
const SvxLRSpaceItem &rLRSpace = pFormat->GetLRSpace();
const SvxULSpaceItem &rULSpace = pFormat->GetULSpace();
memmove( pTextRanger + 1, pTextRanger, nObjCnt * sizeof( TextRanger* ) );
memmove( const_cast<SdrObject**>(pSdrObj) + 1, pSdrObj, nObjCnt++ * sizeof( SdrObject* ) );
pSdrObj[ 0 ] = pObj; // due to #37347 the Object must be entered only
// after GetContour()
pTextRanger[ 0 ] = new TextRanger( aPolyPolygon, pPolyPolygon, 20,
(sal_uInt16)rLRSpace.GetLeft(), (sal_uInt16)rLRSpace.GetRight(),
pFormat->GetSurround().IsOutside(), false, pFrm->IsVertical() );
pTextRanger[ 0 ]->SetUpper( rULSpace.GetUpper() );
pTextRanger[ 0 ]->SetLower( rULSpace.GetLower() );
delete pPolyPolygon;
nPntCnt += pTextRanger[ 0 ]->GetPointCount();
while( nPntCnt > POLY_MAX && nObjCnt > POLY_MIN )
{
nPntCnt -= pTextRanger[ --nObjCnt ]->GetPointCount();
delete pTextRanger[ nObjCnt ];
}
}
else if( nPos )
{
const SdrObject* pTmpObj = pSdrObj[ nPos ];
TextRanger* pTmpRanger = pTextRanger[ nPos ];
memmove( const_cast<SdrObject**>(pSdrObj) + 1, pSdrObj, nPos * sizeof( SdrObject* ) );
memmove( pTextRanger + 1, pTextRanger, nPos * sizeof( TextRanger* ) );
pSdrObj[ 0 ] = pTmpObj;
pTextRanger[ 0 ] = pTmpRanger;
}
SWRECTFN( pFrm )
long nTmpTop = (rLine.*fnRect->fnGetTop)();
// fnGetBottom is top + height
long nTmpBottom = (rLine.*fnRect->fnGetBottom)();
Range aRange( std::min( nTmpTop, nTmpBottom ), std::max( nTmpTop, nTmpBottom ) );
LongDqPtr pTmp = pTextRanger[ 0 ]->GetTextRanges( aRange );
const size_t nCount = pTmp->size();
if( 0 != nCount )
{
size_t nIdx = 0;
while( nIdx < nCount && (*pTmp)[ nIdx ] < nXPos )
++nIdx;
bool bOdd = (nIdx % 2);
bool bSet = true;
if( bOdd )
--nIdx; // within interval
else if( ! bRight && ( nIdx >= nCount || (*pTmp)[ nIdx ] != nXPos ) )
{
if( nIdx )
nIdx -= 2; // an interval to the left
else
bSet = false; // before the first interval
}
if( bSet && nIdx < nCount )
{
(aRet.*fnRect->fnSetTopAndHeight)( (rLine.*fnRect->fnGetTop)(),
(rLine.*fnRect->fnGetHeight)() );
(aRet.*fnRect->fnSetLeft)( (*pTmp)[ nIdx ] );
(aRet.*fnRect->fnSetRight)( (*pTmp)[ nIdx + 1 ] + 1 );
}
}
return aRet;
}
SwTextFly::SwTextFly()
: pPage(0)
, mpCurrAnchoredObj(0)
, pCurrFrm(0)
, pMaster(0)
, mpAnchoredObjList(0)
, nMinBottom(0)
, nNextTop(0)
, nIndex(0)
, bOn(false)
, bTopRule(false)
, mbIgnoreCurrentFrame(false)
, mbIgnoreContour(false)
, mbIgnoreObjsInHeaderFooter(false)
{
}
SwTextFly::SwTextFly( const SwTextFrm *pFrm )
{
CtorInitTextFly( pFrm );
}
SwTextFly::SwTextFly( const SwTextFly& rTextFly )
{
pPage = rTextFly.pPage;
mpCurrAnchoredObj = rTextFly.mpCurrAnchoredObj;
pCurrFrm = rTextFly.pCurrFrm;
pMaster = rTextFly.pMaster;
if( rTextFly.mpAnchoredObjList )
{
mpAnchoredObjList = new SwAnchoredObjList( *(rTextFly.mpAnchoredObjList) );
}
else
{
mpAnchoredObjList = NULL;
}
bOn = rTextFly.bOn;
bTopRule = rTextFly.bTopRule;
nMinBottom = rTextFly.nMinBottom;
nNextTop = rTextFly.nNextTop;
nIndex = rTextFly.nIndex;
mbIgnoreCurrentFrame = rTextFly.mbIgnoreCurrentFrame;
mbIgnoreContour = rTextFly.mbIgnoreContour;
mbIgnoreObjsInHeaderFooter = rTextFly.mbIgnoreObjsInHeaderFooter;
}
SwTextFly::~SwTextFly()
{
delete mpAnchoredObjList;
}
void SwTextFly::CtorInitTextFly( const SwTextFrm *pFrm )
{
mbIgnoreCurrentFrame = false;
mbIgnoreContour = false;
// #118809#
mbIgnoreObjsInHeaderFooter = false;
pPage = pFrm->FindPageFrm();
const SwFlyFrm* pTmp = pFrm->FindFlyFrm();
// #i68520#
mpCurrAnchoredObj = pTmp;
pCurrFrm = pFrm;
pMaster = pCurrFrm->IsFollow() ? NULL : pCurrFrm;
// #i68520#
mpAnchoredObjList = NULL;
// If we're not overlapped by a frame or if a FlyCollection does not exist
// at all, we switch off forever.
// It could be, however, that a line is added while formatting, that
// extends into a frame.
// That's why we do not optimize for: bOn = pSortedFlys && IsAnyFrm();
bOn = pPage->GetSortedObjs() != 0;
bTopRule = true;
nMinBottom = 0;
nNextTop = 0;
nIndex = ULONG_MAX;
}
SwRect SwTextFly::_GetFrm( const SwRect &rRect, bool bTop ) const
{
SwRect aRet;
if( ForEach( rRect, &aRet, true ) )
{
SWRECTFN( pCurrFrm )
if( bTop )
(aRet.*fnRect->fnSetTop)( (rRect.*fnRect->fnGetTop)() );
// Do not always adapt the bottom
const SwTwips nRetBottom = (aRet.*fnRect->fnGetBottom)();
const SwTwips nRectBottom = (rRect.*fnRect->fnGetBottom)();
if ( (*fnRect->fnYDiff)( nRetBottom, nRectBottom ) > 0 ||
(aRet.*fnRect->fnGetHeight)() < 0 )
(aRet.*fnRect->fnSetBottom)( nRectBottom );
}
return aRet;
}
bool SwTextFly::IsAnyFrm() const
{
SWAP_IF_SWAPPED swap(const_cast<SwTextFrm *>(pCurrFrm));
OSL_ENSURE( bOn, "IsAnyFrm: Why?" );
SwRect aRect( pCurrFrm->Frm().Pos() + pCurrFrm->Prt().Pos(),
pCurrFrm->Prt().SSize() );
return ForEach( aRect, NULL, false );
}
bool SwTextFly::IsAnyObj( const SwRect &rRect ) const
{
OSL_ENSURE( bOn, "SwTextFly::IsAnyObj: Who's knocking?" );
SwRect aRect( rRect );
if ( aRect.IsEmpty() )
aRect = SwRect( pCurrFrm->Frm().Pos() + pCurrFrm->Prt().Pos(),
pCurrFrm->Prt().SSize() );
const SwSortedObjs *pSorted = pPage->GetSortedObjs();
if( pSorted ) // bOn actually makes sure that we have objects on the side,
// but who knows who deleted somehting in the meantime?
{
for ( size_t i = 0; i < pSorted->size(); ++i )
{
const SwAnchoredObject* pObj = (*pSorted)[i];
const SwRect aBound( pObj->GetObjRectWithSpaces() );
// Optimization
if( pObj->GetObjRect().Left() > aRect.Right() )
continue;
// #i68520#
if( mpCurrAnchoredObj != pObj && aBound.IsOver( aRect ) )
return true;
}
}
return false;
}
const SwContentFrm* SwTextFly::_GetMaster()
{
pMaster = pCurrFrm;
while( pMaster && pMaster->IsFollow() )
pMaster = static_cast<SwContentFrm*>(pMaster->FindMaster());
return pMaster;
}
bool SwTextFly::DrawTextOpaque( SwDrawTextInfo &rInf )
{
SwSaveClip aClipSave( rInf.GetpOut() );
SwRect aRect( rInf.GetPos(), rInf.GetSize() );
if( rInf.GetSpace() )
{
sal_Int32 nTmpLen = COMPLETE_STRING == rInf.GetLen() ? rInf.GetText().getLength() :
rInf.GetLen();
if( rInf.GetSpace() > 0 )
{
sal_Int32 nSpaceCnt = 0;
const sal_Int32 nEndPos = rInf.GetIdx() + nTmpLen;
for( sal_Int32 nPos = rInf.GetIdx(); nPos < nEndPos; ++nPos )
{
if( CH_BLANK == rInf.GetText()[ nPos ] )
++nSpaceCnt;
}
if( nSpaceCnt )
aRect.Width( aRect.Width() + nSpaceCnt * rInf.GetSpace() );
}
else
aRect.Width( aRect.Width() - nTmpLen * rInf.GetSpace() );
}
if( aClipSave.IsOn() && rInf.GetOut().IsClipRegion() )
{
SwRect aClipRect( rInf.GetOut().GetClipRegion().GetBoundRect() );
aRect.Intersection( aClipRect );
}
SwRegionRects aRegion( aRect );
bool bOpaque = false;
// #i68520#
const sal_uInt32 nCurrOrd = mpCurrAnchoredObj
? mpCurrAnchoredObj->GetDrawObj()->GetOrdNum()
: SAL_MAX_UINT32;
OSL_ENSURE( !bTopRule, "DrawTextOpaque: Wrong TopRule" );
// #i68520#
SwAnchoredObjList::size_type nCount( bOn ? GetAnchoredObjList()->size() : 0 );
if ( bOn && nCount > 0 )
{
const sal_uInt16 nHellId = pPage->getRootFrm()->GetCurrShell()->getIDocumentDrawModelAccess()->GetHellId();
for( SwAnchoredObjList::size_type i = 0; i < nCount; ++i )
{
// #i68520#
const SwAnchoredObject* pTmpAnchoredObj = (*mpAnchoredObjList)[i];
if( dynamic_cast<const SwFlyFrm*>(pTmpAnchoredObj) &&
mpCurrAnchoredObj != pTmpAnchoredObj )
{
// #i68520#
const SwFlyFrm& rFly = dynamic_cast<const SwFlyFrm&>(*pTmpAnchoredObj);
if( aRegion.GetOrigin().IsOver( rFly.Frm() ) )
{
const SwFrameFormat *pFormat = rFly.GetFormat();
const SwFormatSurround &rSur = pFormat->GetSurround();
const SwFormatAnchor& rAnchor = pFormat->GetAnchor();
// Only the ones who are opaque and more to the top
if( ! rFly.IsBackgroundTransparent() &&
SURROUND_THROUGHT == rSur.GetSurround() &&
( !rSur.IsAnchorOnly() ||
// #i68520#
GetMaster() == rFly.GetAnchorFrm() ||
((FLY_AT_PARA != rAnchor.GetAnchorId()) &&
(FLY_AT_CHAR != rAnchor.GetAnchorId())
)
) &&
// #i68520#
pTmpAnchoredObj->GetDrawObj()->GetLayer() != nHellId &&
nCurrOrd < pTmpAnchoredObj->GetDrawObj()->GetOrdNum()
)
{
// Except for the content is transparent
const SwNoTextFrm *pNoText =
rFly.Lower() && rFly.Lower()->IsNoTextFrm()
? static_cast<const SwNoTextFrm*>(rFly.Lower())
: 0;
if ( !pNoText ||
(!pNoText->IsTransparent() && !rSur.IsContour()) )
{
bOpaque = true;
aRegion -= rFly.Frm();
}
}
}
}
}
}
Point aPos( rInf.GetPos().X(), rInf.GetPos().Y() + rInf.GetAscent() );
const Point aOldPos(rInf.GetPos());
rInf.SetPos( aPos );
if( !bOpaque )
{
if( rInf.GetKern() )
rInf.GetFont()->_DrawStretchText( rInf );
else
rInf.GetFont()->_DrawText( rInf );
rInf.SetPos(aOldPos);
return false;
}
else if( !aRegion.empty() )
{
// What a huge effort ...
SwSaveClip aClipVout( rInf.GetpOut() );
for( size_t i = 0; i < aRegion.size(); ++i )
{
SwRect &rRect = aRegion[i];
if( rRect != aRegion.GetOrigin() )
aClipVout.ChgClip( rRect );
if( rInf.GetKern() )
rInf.GetFont()->_DrawStretchText( rInf );
else
rInf.GetFont()->_DrawText( rInf );
}
}
rInf.SetPos(aOldPos);
return true;
}
void SwTextFly::DrawFlyRect( OutputDevice* pOut, const SwRect &rRect,
const SwTextPaintInfo &rInf, bool bNoGraphic )
{
SwRegionRects aRegion( rRect );
OSL_ENSURE( !bTopRule, "DrawFlyRect: Wrong TopRule" );
// #i68520#
SwAnchoredObjList::size_type nCount( bOn ? GetAnchoredObjList()->size() : 0 );
if ( bOn && nCount > 0 )
{
const sal_uInt16 nHellId = pPage->getRootFrm()->GetCurrShell()->getIDocumentDrawModelAccess()->GetHellId();
for( SwAnchoredObjList::size_type i = 0; i < nCount; ++i )
{
// #i68520#
const SwAnchoredObject* pAnchoredObjTmp = (*mpAnchoredObjList)[i];
if (mpCurrAnchoredObj == pAnchoredObjTmp)
continue;
// #i68520#
const SwFlyFrm* pFly = dynamic_cast<const SwFlyFrm*>(pAnchoredObjTmp);
if (pFly)
{
// #i68520#
const SwFormatSurround& rSur = pAnchoredObjTmp->GetFrameFormat().GetSurround();
// OD 24.01.2003 #106593# - correct clipping of fly frame area.
// Consider that fly frame background/shadow can be transparent
// and <SwAlignRect(..)> fly frame area
// #i47804# - consider transparent graphics
// and OLE objects.
bool bClipFlyArea =
( ( SURROUND_THROUGHT == rSur.GetSurround() )
// #i68520#
? (pAnchoredObjTmp->GetDrawObj()->GetLayer() != nHellId)
: !rSur.IsContour() ) &&
!pFly->IsBackgroundTransparent() &&
( !pFly->Lower() ||
!pFly->Lower()->IsNoTextFrm() ||
!static_cast<const SwNoTextFrm*>(pFly->Lower())->IsTransparent() );
if ( bClipFlyArea )
{
// #i68520#
SwRect aFly( pAnchoredObjTmp->GetObjRect() );
// OD 24.01.2003 #106593#
::SwAlignRect( aFly, pPage->getRootFrm()->GetCurrShell() );
if( aFly.Width() > 0 && aFly.Height() > 0 )
aRegion -= aFly;
}
}
}
}
for( size_t i = 0; i < aRegion.size(); ++i )
{
if ( bNoGraphic )
{
pOut->DrawRect( aRegion[i].SVRect() );
}
else
{
if(reinterpret_cast<SvxBrushItem*>(-1) != rInf.GetBrushItem())
{
::DrawGraphic(rInf.GetBrushItem(), pOut, rInf.GetBrushRect(), aRegion[i] );
}
else
{
OSL_ENSURE(false, "DrawRect: Uninitialized BrushItem!" );
}
}
}
}
/**
* #i26945# - change first parameter
* Now it's the <SwAnchoredObject> instance of the floating screen object
*/
bool SwTextFly::GetTop( const SwAnchoredObject* _pAnchoredObj,
const bool bInFootnote,
const bool bInFooterOrHeader )
{
// #i68520#
// <mpCurrAnchoredObj> is set, if <pCurrFrm> is inside a fly frame
if( _pAnchoredObj != mpCurrAnchoredObj )
{
// #i26945#
const SdrObject* pNew = _pAnchoredObj->GetDrawObj();
// #102344# Ignore connectors which have one or more connections
if(pNew && pNew->ISA(SdrEdgeObj))
{
if(static_cast<const SdrEdgeObj*>(pNew)->GetConnectedNode(true)
|| static_cast<const SdrEdgeObj*>(pNew)->GetConnectedNode(false))
{
return false;
}
}
if( ( bInFootnote || bInFooterOrHeader ) && bTopRule )
{
// #i26945#
const SwFrameFormat& rFrameFormat = _pAnchoredObj->GetFrameFormat();
const SwFormatAnchor& rNewA = rFrameFormat.GetAnchor();
if (FLY_AT_PAGE == rNewA.GetAnchorId())
{
if ( bInFootnote )
return false;
if ( bInFooterOrHeader )
{
SwFormatVertOrient aVert( rFrameFormat.GetVertOrient() );
bool bVertPrt = aVert.GetRelationOrient() == text::RelOrientation::PRINT_AREA ||
aVert.GetRelationOrient() == text::RelOrientation::PAGE_PRINT_AREA;
if( bVertPrt )
return false;
}
}
}
// #i68520#
// bEvade: consider pNew, if we are not inside a fly
// consider pNew, if pNew is lower of <mpCurrAnchoredObj>
bool bEvade = !mpCurrAnchoredObj ||
Is_Lower_Of( dynamic_cast<const SwFlyFrm*>(mpCurrAnchoredObj), pNew);
if ( !bEvade )
{
// We are currently inside a fly frame and pNew is not
// inside this fly frame. We can do some more checks if
// we have to consider pNew.
// If bTopRule is not set, we ignore the frame types.
// We directly check the z-order
if ( !bTopRule )
bEvade = true;
else
{
// Within chained Flys we only avoid Lower
// #i68520#
const SwFormatChain &rChain = mpCurrAnchoredObj->GetFrameFormat().GetChain();
if ( !rChain.GetPrev() && !rChain.GetNext() )
{
// #i26945#
const SwFormatAnchor& rNewA = _pAnchoredObj->GetFrameFormat().GetAnchor();
// #i68520#
const SwFormatAnchor& rCurrA = mpCurrAnchoredObj->GetFrameFormat().GetAnchor();
// If <mpCurrAnchoredObj> is anchored as character, its content
// does not wrap around pNew
if (FLY_AS_CHAR == rCurrA.GetAnchorId())
return false;
// If pNew is anchored to page and <mpCurrAnchoredObj is not anchored
// to page, the content of <mpCurrAnchoredObj> does not wrap around pNew
// If both pNew and <mpCurrAnchoredObj> are anchored to page, we can do
// some more checks
if (FLY_AT_PAGE == rNewA.GetAnchorId())
{
if (FLY_AT_PAGE == rCurrA.GetAnchorId())
{
bEvade = true;
}
else
return false;
}
else if (FLY_AT_PAGE == rCurrA.GetAnchorId())
return false; // Page anchored ones only avoid page anchored ones
else if (FLY_AT_FLY == rNewA.GetAnchorId())
bEvade = true; // Non-page anchored ones avoid frame anchored ones
else if( FLY_AT_FLY == rCurrA.GetAnchorId() )
return false; // Frame anchored ones do not avoid paragraph anchored ones
// #i57062#
// In order to avoid loop situation, it's decided to adjust
// the wrapping behaviour of content of at-paragraph/at-character
// anchored objects to one in the page header/footer and
// the document body --> content of at-paragraph/at-character
// anchored objects doesn't wrap around each other.
else
return false;
}
}
// But: we never avoid a subordinate one and additionally we only avoid when overlapping.
// #i68520#
bEvade &= ( mpCurrAnchoredObj->GetDrawObj()->GetOrdNum() < pNew->GetOrdNum() );
if( bEvade )
{
// #i68520#
SwRect aTmp( _pAnchoredObj->GetObjRectWithSpaces() );
if ( !aTmp.IsOver( mpCurrAnchoredObj->GetObjRectWithSpaces() ) )
bEvade = false;
}
}
if ( bEvade )
{
// #i26945#
const SwFormatAnchor& rNewA = _pAnchoredObj->GetFrameFormat().GetAnchor();
OSL_ENSURE( FLY_AS_CHAR != rNewA.GetAnchorId(),
"Don't call GetTop with a FlyInCntFrm" );
if (FLY_AT_PAGE == rNewA.GetAnchorId())
return true; // We always avoid page anchored ones
// If Flys anchored at paragraph are caught in a FlyCnt, then
// their influence ends at the borders of the FlyCnt!
// If we are currently formatting the text of the FlyCnt, then
// it has to get out of the way of the Frm anchored at paragraph!
// pCurrFrm is the anchor of pNew?
// #i26945#
const SwFrm* pTmp = _pAnchoredObj->GetAnchorFrm();
if( pTmp == pCurrFrm )
return true;
if( pTmp->IsTextFrm() && ( pTmp->IsInFly() || pTmp->IsInFootnote() ) )
{
// #i26945#
Point aPos = _pAnchoredObj->GetObjRect().Pos();
pTmp = GetVirtualUpper( pTmp, aPos );
}
// #i26945#
// #115759#
// If <pTmp> is a text frame inside a table, take the upper
// of the anchor frame, which contains the anchor position.
else if ( pTmp->IsTextFrm() && pTmp->IsInTab() )
{
pTmp = const_cast<SwAnchoredObject*>(_pAnchoredObj)
->GetAnchorFrmContainingAnchPos()->GetUpper();
}
// #i28701# - consider all objects in same context,
// if wrapping style is considered on object positioning.
// Thus, text will wrap around negative positioned objects.
// #i3317# - remove condition on checking,
// if wrappings style is considered on object positioning.
// Thus, text is wrapping around negative positioned objects.
// #i35640# - no consideration of negative
// positioned objects, if wrapping style isn't considered on
// object position and former text wrapping is applied.
// This condition is typically for documents imported from the
// OpenOffice.org file format.
const IDocumentSettingAccess* pIDSA = pCurrFrm->GetTextNode()->getIDocumentSettingAccess();
if ( ( pIDSA->get(DocumentSettingId::CONSIDER_WRAP_ON_OBJECT_POSITION) ||
!pIDSA->get(DocumentSettingId::USE_FORMER_TEXT_WRAPPING) ) &&
::FindKontext( pTmp, 0 ) == ::FindKontext( pCurrFrm, 0 ) )
{
return true;
}
const SwFrm* pHeader = 0;
if ( pCurrFrm->GetNext() != pTmp &&
( IsFrmInSameKontext( pTmp, pCurrFrm ) ||
// #i13832#, #i24135# wrap around objects in page header
( !pIDSA->get(DocumentSettingId::USE_FORMER_TEXT_WRAPPING) &&
0 != ( pHeader = pTmp->FindFooterOrHeader() ) &&
!pHeader->IsFooterFrm() &&
pCurrFrm->IsInDocBody() ) ) )
{
if( pHeader || FLY_AT_FLY == rNewA.GetAnchorId() )
return true;
// Compare indices:
// The Index of the other is retrieved from the anchor attr.
sal_uLong nTmpIndex = rNewA.GetContentAnchor()->nNode.GetIndex();
// Now check whether the current paragraph is before the anchor
// of the displaced object in the text, then we don't have to
// get out of its way.
// If possible determine Index via SwFormatAnchor because
// otherwise it's quite expensive.
if( ULONG_MAX == nIndex )
nIndex = pCurrFrm->GetNode()->GetIndex();
if( nIndex >= nTmpIndex )
return true;
}
}
}
return false;
}
// #i68520#
SwAnchoredObjList* SwTextFly::InitAnchoredObjList()
{
OSL_ENSURE( pCurrFrm, "InitFlyList: No Frame, no FlyList" );
// #i68520#
OSL_ENSURE( !mpAnchoredObjList, "InitFlyList: FlyList already initialized" );
SWAP_IF_SWAPPED swap(const_cast<SwTextFrm *>(pCurrFrm));
const SwSortedObjs *pSorted = pPage->GetSortedObjs();
const size_t nCount = pSorted ? pSorted->size() : 0;
// --> #108724# Page header/footer content doesn't have to wrap around
// floating screen objects
const bool bFooterHeader = 0 != pCurrFrm->FindFooterOrHeader();
const IDocumentSettingAccess* pIDSA = pCurrFrm->GetTextNode()->getIDocumentSettingAccess();
// #i40155# - check, if frame is marked not to wrap
const bool bWrapAllowed = ( pIDSA->get(DocumentSettingId::USE_FORMER_TEXT_WRAPPING) ||
( !pCurrFrm->IsInFootnote() && !bFooterHeader ) );
bOn = false;
if( nCount && bWrapAllowed )
{
// #i68520#
mpAnchoredObjList = new SwAnchoredObjList();
// #i28701# - consider complete frame area for new
// text wrapping
SwRect aRect;
if ( pIDSA->get(DocumentSettingId::USE_FORMER_TEXT_WRAPPING) )
{
aRect = pCurrFrm->Prt();
aRect += pCurrFrm->Frm().Pos();
}
else
{
aRect = pCurrFrm->Frm();
}
// Make ourselves a little smaller than we are,
// so that 1-Twip-overlappings are ignored (#49532)
SWRECTFN( pCurrFrm )
const long nRight = (aRect.*fnRect->fnGetRight)() - 1;
const long nLeft = (aRect.*fnRect->fnGetLeft)() + 1;
const bool bR2L = pCurrFrm->IsRightToLeft();
const IDocumentDrawModelAccess* pIDDMA = pCurrFrm->GetTextNode()->getIDocumentDrawModelAccess();
for( size_t i = 0; i < nCount; ++i )
{
// #i68520#
// do not consider hidden objects
// check, if object has to be considered for text wrap
// #118809# - If requested, do not consider
// objects in page header|footer for text frames not in page
// header|footer. This is requested for the calculation of
// the base offset for objects <SwTextFrm::CalcBaseOfstForFly()>
// #i20505# Do not consider oversized objects
SwAnchoredObject* pAnchoredObj = (*pSorted)[ i ];
assert(pAnchoredObj);
if ( !pAnchoredObj ||
!pIDDMA->IsVisibleLayerId( pAnchoredObj->GetDrawObj()->GetLayer() ) ||
!pAnchoredObj->ConsiderForTextWrap() ||
( mbIgnoreObjsInHeaderFooter && !bFooterHeader &&
pAnchoredObj->GetAnchorFrm()->FindFooterOrHeader() ) )
{
continue;
}
const SwRect aBound( pAnchoredObj->GetObjRectWithSpaces() );
if ( nRight < (aBound.*fnRect->fnGetLeft)() ||
(*fnRect->fnYDiff)( (aRect.*fnRect->fnGetTop)(),
(aBound.*fnRect->fnGetBottom)() ) > 0 ||
nLeft > (aBound.*fnRect->fnGetRight)() ||
(aBound.*fnRect->fnGetHeight)() >
2 * (pPage->Frm().*fnRect->fnGetHeight)() )
{
continue;
}
// #i26945# - pass <pAnchoredObj> to method
// <GetTop(..)> instead of only the <SdrObject> instance of the
// anchored object
if ( GetTop( pAnchoredObj, pCurrFrm->IsInFootnote(), bFooterHeader ) )
{
// OD 11.03.2003 #107862# - adjust insert position:
// overlapping objects should be sorted from left to right and
// inside left to right sorting from top to bottom.
// If objects on the same position are found, they are sorted
// on its width.
// #i68520#
{
SwAnchoredObjList::iterator aInsPosIter =
std::lower_bound( mpAnchoredObjList->begin(),
mpAnchoredObjList->end(),
pAnchoredObj,
AnchoredObjOrder( bR2L, fnRect ) );
mpAnchoredObjList->insert( aInsPosIter, pAnchoredObj );
}
const SwFormatSurround &rFlyFormat = pAnchoredObj->GetFrameFormat().GetSurround();
// #i68520#
if ( rFlyFormat.IsAnchorOnly() &&
pAnchoredObj->GetAnchorFrm() == GetMaster() )
{
const SwFormatVertOrient &rTmpFormat =
pAnchoredObj->GetFrameFormat().GetVertOrient();
if( text::VertOrientation::BOTTOM != rTmpFormat.GetVertOrient() )
nMinBottom = ( bVert && nMinBottom ) ?
std::min( nMinBottom, aBound.Left() ) :
std::max( nMinBottom, (aBound.*fnRect->fnGetBottom)() );
}
bOn = true;
}
}
if( nMinBottom )
{
SwTwips nMax = (pCurrFrm->GetUpper()->*fnRect->fnGetPrtBottom)();
if( (*fnRect->fnYDiff)( nMinBottom, nMax ) > 0 )
nMinBottom = nMax;
}
}
else
{
// #i68520#
mpAnchoredObjList = new SwAnchoredObjList();
}
// #i68520#
return mpAnchoredObjList;
}
SwTwips SwTextFly::CalcMinBottom() const
{
SwTwips nRet = 0;
const SwContentFrm *pLclMaster = GetMaster();
OSL_ENSURE(pLclMaster, "SwTextFly without master");
const SwSortedObjs *pDrawObj = pLclMaster ? pLclMaster->GetDrawObjs() : NULL;
const size_t nCount = pDrawObj ? pDrawObj->size() : 0;
if( nCount )
{
SwTwips nEndOfFrm = pCurrFrm->Frm().Bottom();
for( size_t i = 0; i < nCount; ++i )
{
SwAnchoredObject* pAnchoredObj = (*pDrawObj)[ i ];
const SwFormatSurround &rFlyFormat = pAnchoredObj->GetFrameFormat().GetSurround();
if( rFlyFormat.IsAnchorOnly() )
{
const SwFormatVertOrient &rTmpFormat =
pAnchoredObj->GetFrameFormat().GetVertOrient();
if( text::VertOrientation::BOTTOM != rTmpFormat.GetVertOrient() )
{
const SwRect aBound( pAnchoredObj->GetObjRectWithSpaces() );
if( aBound.Top() < nEndOfFrm )
nRet = std::max( nRet, aBound.Bottom() );
}
}
}
SwTwips nMax = pCurrFrm->GetUpper()->Frm().Top() +
pCurrFrm->GetUpper()->Prt().Bottom();
if( nRet > nMax )
nRet = nMax;
}
return nRet;
}
bool SwTextFly::ForEach( const SwRect &rRect, SwRect* pRect, bool bAvoid ) const
{
SWAP_IF_SWAPPED swap(const_cast<SwTextFrm *>(pCurrFrm));
bool bRet = false;
// #i68520#
SwAnchoredObjList::size_type nCount( bOn ? GetAnchoredObjList()->size() : 0 );
if ( bOn && nCount > 0 )
{
for( SwAnchoredObjList::size_type i = 0; i < nCount; ++i )
{
// #i68520#
const SwAnchoredObject* pAnchoredObj = (*mpAnchoredObjList)[i];
SwRect aRect( pAnchoredObj->GetObjRectWithSpaces() );
// Optimierung
SWRECTFN( pCurrFrm )
if( (aRect.*fnRect->fnGetLeft)() > (rRect.*fnRect->fnGetRight)() )
break;
// #i68520#
if ( mpCurrAnchoredObj != pAnchoredObj && aRect.IsOver( rRect ) )
{
// #i68520#
const SwFormat* pFormat( &(pAnchoredObj->GetFrameFormat()) );
const SwFormatSurround &rSur = pFormat->GetSurround();
if( bAvoid )
{
// If the text flows below, it has no influence on
// formatting. In LineIter::DrawText() it is "just"
// necessary to clevely set the ClippingRegions
const SwFormatAnchor& rAnchor = pFormat->GetAnchor();
if( ( SURROUND_THROUGHT == rSur.GetSurround() &&
( !rSur.IsAnchorOnly() ||
// #i68520#
GetMaster() == pAnchoredObj->GetAnchorFrm() ||
((FLY_AT_PARA != rAnchor.GetAnchorId()) &&
(FLY_AT_CHAR != rAnchor.GetAnchorId())) ) )
|| aRect.Top() == FAR_AWAY )
continue;
}
// #i58642#
// Compare <GetMaster()> instead of <pCurrFrm> with the anchor
// frame of the anchored object, because a follow frame have
// to ignore the anchored objects of its master frame.
// Note: Anchored objects are always registered at the master
// frame, exception are as-character anchored objects,
// but these aren't handled here.
// #i68520#
if ( mbIgnoreCurrentFrame &&
GetMaster() == pAnchoredObj->GetAnchorFrm() )
continue;
if( pRect )
{
// #i68520#
SwRect aFly = AnchoredObjToRect( pAnchoredObj, rRect );
if( aFly.IsEmpty() || !aFly.IsOver( rRect ) )
continue;
if( !bRet || (
( !pCurrFrm->IsRightToLeft() &&
( (aFly.*fnRect->fnGetLeft)() <
(pRect->*fnRect->fnGetLeft)() ) ) ||
( pCurrFrm->IsRightToLeft() &&
( (aFly.*fnRect->fnGetRight)() >
(pRect->*fnRect->fnGetRight)() ) ) ) )
*pRect = aFly;
if( rSur.IsContour() )
{
bRet = true;
continue;
}
}
bRet = true;
break;
}
}
}
return bRet;
}
// #i68520#
SwAnchoredObjList::size_type SwTextFly::GetPos( const SwAnchoredObject* pAnchoredObj ) const
{
SwAnchoredObjList::size_type nCount = GetAnchoredObjList()->size();
SwAnchoredObjList::size_type nRet = 0;
while ( nRet < nCount && pAnchoredObj != (*mpAnchoredObjList)[ nRet ] )
++nRet;
return nRet;
}
// #i68520#
void SwTextFly::CalcRightMargin( SwRect &rFly,
SwAnchoredObjList::size_type nFlyPos,
const SwRect &rLine ) const
{
// Usually the right margin is the right margin of the Printarea
OSL_ENSURE( ! pCurrFrm->IsVertical() || ! pCurrFrm->IsSwapped(),
"SwTextFly::CalcRightMargin with swapped frame" );
SWRECTFN( pCurrFrm )
// #118796# - correct determination of right of printing area
SwTwips nRight = (pCurrFrm->*fnRect->fnGetPrtRight)();
SwTwips nFlyRight = (rFly.*fnRect->fnGetRight)();
SwRect aLine( rLine );
(aLine.*fnRect->fnSetRight)( nRight );
(aLine.*fnRect->fnSetLeft)( (rFly.*fnRect->fnGetLeft)() );
// It is possible that there is another object that is _above_ us
// and protrudes into the same line.
// Flys with run-through are invisible for those below, i.e., they
// are ignored for computing the margins of other Flys.
// 3301: pNext->Frm().IsOver( rLine ) is necessary
// #i68520#
SwSurround eSurroundForTextWrap;
bool bStop = false;
// #i68520#
SwAnchoredObjList::size_type nPos = 0;
// #i68520#
while( nPos < mpAnchoredObjList->size() && !bStop )
{
if( nPos == nFlyPos )
{
++nPos;
continue;
}
// #i68520#
const SwAnchoredObject* pNext = (*mpAnchoredObjList)[ nPos++ ];
if ( pNext == mpCurrAnchoredObj )
continue;
eSurroundForTextWrap = _GetSurroundForTextWrap( pNext );
if( SURROUND_THROUGHT == eSurroundForTextWrap )
continue;
const SwRect aTmp( SwContourCache::CalcBoundRect
( pNext, aLine, pCurrFrm, nFlyRight, true ) );
SwTwips nTmpRight = (aTmp.*fnRect->fnGetRight)();
// optimization:
// Record in nNextTop at which Y-position frame related changes are
// likely. This is so that, despite only looking at frames in the
// current line height, for frames without wrap the line height is
// incremented so that with a single line the lower border of the frame
// (or possibly the upper border of another frame) is reached.
// Especially in HTML documents there are often (dummy) paragraphs in
// 2 pt font, and they used to only evade big frames after huge numbers
// of empty lines.
const long nTmpTop = (aTmp.*fnRect->fnGetTop)();
if( (*fnRect->fnYDiff)( nTmpTop, (aLine.*fnRect->fnGetTop)() ) > 0 )
{
if( (*fnRect->fnYDiff)( nNextTop, nTmpTop ) > 0 )
SetNextTop( nTmpTop ); // upper border of next frame
}
else if (!(aTmp.*fnRect->fnGetWidth)()) // typical for Objects with contour wrap
{ // For Objects with contour wrap that start before the current
// line, and end below it, but do not actually overlap it, the
// optimization has to be disabled, because the circumstances
// can change in the next line.
if( ! (aTmp.*fnRect->fnGetHeight)() ||
(*fnRect->fnYDiff)( (aTmp.*fnRect->fnGetBottom)(),
(aLine.*fnRect->fnGetTop)() ) > 0 )
SetNextTop( 0 );
}
if( aTmp.IsOver( aLine ) && nTmpRight > nFlyRight )
{
nFlyRight = nTmpRight;
if( SURROUND_RIGHT == eSurroundForTextWrap ||
SURROUND_PARALLEL == eSurroundForTextWrap )
{
// overrule the FlyFrm
if( nRight > nFlyRight )
nRight = nFlyRight;
bStop = true;
}
}
}
(rFly.*fnRect->fnSetRight)( nRight );
}
// #i68520#
void SwTextFly::CalcLeftMargin( SwRect &rFly,
SwAnchoredObjList::size_type nFlyPos,
const SwRect &rLine ) const
{
OSL_ENSURE( ! pCurrFrm->IsVertical() || ! pCurrFrm->IsSwapped(),
"SwTextFly::CalcLeftMargin with swapped frame" );
SWRECTFN( pCurrFrm )
// #118796# - correct determination of left of printing area
SwTwips nLeft = (pCurrFrm->*fnRect->fnGetPrtLeft)();
const SwTwips nFlyLeft = (rFly.*fnRect->fnGetLeft)();
if( nLeft > nFlyLeft )
nLeft = rFly.Left();
SwRect aLine( rLine );
(aLine.*fnRect->fnSetLeft)( nLeft );
// It is possible that there is another object that is _above_ us
// and protrudes into the same line.
// Flys with run-through are invisible for those below, i.e., they
// are ignored for computing the margins of other Flys.
// 3301: pNext->Frm().IsOver( rLine ) is necessary
// #i68520#
SwAnchoredObjList::size_type nMyPos = nFlyPos;
while( ++nFlyPos < mpAnchoredObjList->size() )
{
// #i68520#
const SwAnchoredObject* pNext = (*mpAnchoredObjList)[ nFlyPos ];
const SwRect aTmp( pNext->GetObjRectWithSpaces() );
if( (aTmp.*fnRect->fnGetLeft)() >= nFlyLeft )
break;
}
while( nFlyPos )
{
if( --nFlyPos == nMyPos )
continue;
// #i68520#
const SwAnchoredObject* pNext = (*mpAnchoredObjList)[ nFlyPos ];
if( pNext == mpCurrAnchoredObj )
continue;
SwSurround eSurroundForTextWrap = _GetSurroundForTextWrap( pNext );
if( SURROUND_THROUGHT == eSurroundForTextWrap )
continue;
const SwRect aTmp( SwContourCache::CalcBoundRect
( pNext, aLine, pCurrFrm, nFlyLeft, false ) );
if( (aTmp.*fnRect->fnGetLeft)() < nFlyLeft && aTmp.IsOver( aLine ) )
{
// #118796# - no '+1', because <..fnGetRight>
// returns the correct value.
SwTwips nTmpRight = (aTmp.*fnRect->fnGetRight)();
if ( nLeft <= nTmpRight )
nLeft = nTmpRight;
break;
}
}
(rFly.*fnRect->fnSetLeft)( nLeft );
}
// #i68520#
SwRect SwTextFly::AnchoredObjToRect( const SwAnchoredObject* pAnchoredObj,
const SwRect &rLine ) const
{
SWRECTFN( pCurrFrm )
const long nXPos = pCurrFrm->IsRightToLeft() ?
rLine.Right() :
(rLine.*fnRect->fnGetLeft)();
SwRect aFly = mbIgnoreContour ?
pAnchoredObj->GetObjRectWithSpaces() :
SwContourCache::CalcBoundRect( pAnchoredObj, rLine, pCurrFrm,
nXPos, ! pCurrFrm->IsRightToLeft() );
if( !aFly.Width() )
return aFly;
// so the line may grow up to the lower edge of the frame
SetNextTop( (aFly.*fnRect->fnGetBottom)() );
SwAnchoredObjList::size_type nFlyPos = GetPos( pAnchoredObj );
// LEFT and RIGHT, we grow the rectangle.
// We have some problems, when several frames are to be seen.
// At the moment, only the easier case is assumed:
// + LEFT means that the text must flow on the left of the frame,
// that is the frame expands to the right edge of the print area
// or to the next frame.
// + RIGHT is the opposite.
// Otherwise the set distance between text and frame is always
// added up.
switch( _GetSurroundForTextWrap( pAnchoredObj ) )
{
case SURROUND_LEFT :
{
CalcRightMargin( aFly, nFlyPos, rLine );
break;
}
case SURROUND_RIGHT :
{
CalcLeftMargin( aFly, nFlyPos, rLine );
break;
}
case SURROUND_NONE :
{
CalcRightMargin( aFly, nFlyPos, rLine );
CalcLeftMargin( aFly, nFlyPos, rLine );
break;
}
default:
break;
}
return aFly;
}
// #i68520#
// Wrap only on sides with at least 2cm space for the text
#define TEXT_MIN 1134
// MS Word wraps on sides with even less space (value guessed).
#define TEXT_MIN_SMALL 300
// Wrap on both sides up to a frame width of 1.5cm
#define FRAME_MAX 850
SwSurround SwTextFly::_GetSurroundForTextWrap( const SwAnchoredObject* pAnchoredObj ) const
{
const SwFrameFormat* pFormat = &(pAnchoredObj->GetFrameFormat());
const SwFormatSurround &rFlyFormat = pFormat->GetSurround();
SwSurround eSurroundForTextWrap = rFlyFormat.GetSurround();
if( rFlyFormat.IsAnchorOnly() && pAnchoredObj->GetAnchorFrm() != GetMaster() )
{
const SwFormatAnchor& rAnchor = pFormat->GetAnchor();
if ((FLY_AT_PARA == rAnchor.GetAnchorId()) ||
(FLY_AT_CHAR == rAnchor.GetAnchorId()))
{
return SURROUND_NONE;
}
}
// in cause of run-through and nowrap ignore smartly
if( SURROUND_THROUGHT == eSurroundForTextWrap ||
SURROUND_NONE == eSurroundForTextWrap )
return eSurroundForTextWrap;
// left is left and right is right
if ( pCurrFrm->IsRightToLeft() )
{
if ( SURROUND_LEFT == eSurroundForTextWrap )
eSurroundForTextWrap = SURROUND_RIGHT;
else if ( SURROUND_RIGHT == eSurroundForTextWrap )
eSurroundForTextWrap = SURROUND_LEFT;
}
// "ideal page wrap":
if ( SURROUND_IDEAL == eSurroundForTextWrap )
{
SWRECTFN( pCurrFrm )
const long nCurrLeft = (pCurrFrm->*fnRect->fnGetPrtLeft)();
const long nCurrRight = (pCurrFrm->*fnRect->fnGetPrtRight)();
const SwRect aRect( pAnchoredObj->GetObjRectWithSpaces() );
long nFlyLeft = (aRect.*fnRect->fnGetLeft)();
long nFlyRight = (aRect.*fnRect->fnGetRight)();
if ( nFlyRight < nCurrLeft || nFlyLeft > nCurrRight )
eSurroundForTextWrap = SURROUND_PARALLEL;
else
{
long nLeft = nFlyLeft - nCurrLeft;
long nRight = nCurrRight - nFlyRight;
if( nFlyRight - nFlyLeft > FRAME_MAX )
{
if( nLeft < nRight )
nLeft = 0;
else
nRight = 0;
}
const int textMin = GetMaster()->GetNode()
->getIDocumentSettingAccess()->get(DocumentSettingId::SURROUND_TEXT_WRAP_SMALL )
? TEXT_MIN_SMALL : TEXT_MIN;
if( nLeft < textMin )
nLeft = 0;
if( nRight < textMin )
nRight = 0;
if( nLeft )
eSurroundForTextWrap = nRight ? SURROUND_PARALLEL : SURROUND_LEFT;
else
eSurroundForTextWrap = nRight ? SURROUND_RIGHT: SURROUND_NONE;
}
}
return eSurroundForTextWrap;
}
bool SwTextFly::IsAnyFrm( const SwRect &rLine ) const
{
SWAP_IF_SWAPPED swap(const_cast<SwTextFrm *>(pCurrFrm));
OSL_ENSURE( bOn, "IsAnyFrm: Why?" );
return ForEach( rLine, NULL, false );
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */