From 940b4d1848e8c70ab7642901a68594e8016caffc Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 18:51:28 +0200 Subject: Adding upstream version 1:7.0.4. Signed-off-by: Daniel Baumann --- sw/source/core/text/txtfly.cxx | 1407 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 1407 insertions(+) create mode 100644 sw/source/core/text/txtfly.cxx (limited to 'sw/source/core/text/txtfly.cxx') diff --git a/sw/source/core/text/txtfly.cxx b/sw/source/core/text/txtfly.cxx new file mode 100644 index 000000000..52979fde8 --- /dev/null +++ b/sw/source/core/text/txtfly.cxx @@ -0,0 +1,1407 @@ +/* -*- 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 + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "txtpaint.hxx" +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#ifdef DBG_UTIL +#include +#include +#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 ) +{ +} + +SwContourCache::~SwContourCache() +{ +} + +void SwContourCache::ClrObject( sal_uInt16 nPos ) +{ + nPntCnt -= mvItems[ nPos ].mxTextRanger->GetPointCount(); + mvItems.erase(mvItems.begin() + nPos); +} + +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 ) + { + pContourCache->mvItems.clear(); + pContourCache->nPntCnt = 0; + } +} + +// #i68520# +SwRect SwContourCache::CalcBoundRect( const SwAnchoredObject* pAnchoredObj, + const SwRect &rLine, + const SwTextFrame* pFrame, + const long nXPos, + const bool bRight ) +{ + SwRect aRet; + const SwFrameFormat* pFormat = &(pAnchoredObj->GetFrameFormat()); + bool bHandleContour(pFormat->GetSurround().IsContour()); + + if(!bHandleContour) + { + // RotateFlyFrame3: Object has no set contour, but for rotated + // FlyFrames we can create a 'default' contour to make text + // flow around the free, non-covered + const SwFlyFreeFrame* pSwFlyFreeFrame(dynamic_cast< const SwFlyFreeFrame* >(pAnchoredObj)); + + if(nullptr != pSwFlyFreeFrame && pSwFlyFreeFrame->supportsAutoContour()) + { + bHandleContour = true; + } + } + + if( bHandleContour && + ( dynamic_cast< const SwFlyFrame *>( pAnchoredObj ) == nullptr || + ( static_cast(pAnchoredObj)->Lower() && + static_cast(pAnchoredObj)->Lower()->IsNoTextFrame() ) ) ) + { + aRet = pAnchoredObj->GetObjRectWithSpaces(); + if( aRet.IsOver( rLine ) ) + { + if( !pContourCache ) + pContourCache = new SwContourCache; + + aRet = pContourCache->ContourRect( + pFormat, pAnchoredObj->GetDrawObj(), pFrame, rLine, nXPos, bRight ); + } + else + aRet.Width( 0 ); + } + else + { + aRet = pAnchoredObj->GetObjRectWithSpaces(); + } + + return aRet; +} + +SwRect SwContourCache::ContourRect( const SwFormat* pFormat, + const SdrObject* pObj, const SwTextFrame* pFrame, const SwRect &rLine, + const long nXPos, const bool bRight ) +{ + SwRect aRet; + sal_uInt16 nPos = 0; // Search in the Cache + while( nPos < GetCount() && pObj != mvItems[ nPos ].mpSdrObj ) + ++nPos; + if( GetCount() == nPos ) // Not found + { + if( GetCount() == POLY_CNT ) + { + nPntCnt -= mvItems.back().mxTextRanger->GetPointCount(); + mvItems.pop_back(); + } + ::basegfx::B2DPolyPolygon aPolyPolygon; + std::unique_ptr<::basegfx::B2DPolyPolygon> pPolyPolygon; + + if ( auto pVirtFlyDrawObj = dynamic_cast< const SwVirtFlyDrawObj *>( pObj ) ) + { + // GetContour() causes the graphic to be loaded, which may cause + // the graphic to change its size, call ClrObject() + tools::PolyPolygon aPoly; + if( !pVirtFlyDrawObj->GetFlyFrame()->GetContour( aPoly ) ) + aPoly = tools::PolyPolygon( static_cast(pObj)-> + GetFlyFrame()->getFrameArea().SVRect() ); + aPolyPolygon.clear(); + aPolyPolygon.append(aPoly.getB2DPolyPolygon()); + } + else + { + if( dynamic_cast< const E3dObject *>( pObj ) == nullptr ) + { + aPolyPolygon = pObj->TakeXorPoly(); + } + + ::basegfx::B2DPolyPolygon aContourPoly(pObj->TakeContour()); + pPolyPolygon.reset(new ::basegfx::B2DPolyPolygon(aContourPoly)); + } + const SvxLRSpaceItem &rLRSpace = pFormat->GetLRSpace(); + const SvxULSpaceItem &rULSpace = pFormat->GetULSpace(); + CacheItem item { + pObj, // due to #37347 the Object must be entered only after GetContour() + std::make_unique( aPolyPolygon, pPolyPolygon.get(), 20, + static_cast(rLRSpace.GetLeft()), static_cast(rLRSpace.GetRight()), + pFormat->GetSurround().IsOutside(), false, pFrame->IsVertical() ) + }; + mvItems.insert(mvItems.begin(), std::move(item)); + mvItems[0].mxTextRanger->SetUpper( rULSpace.GetUpper() ); + mvItems[0].mxTextRanger->SetLower( rULSpace.GetLower() ); + + pPolyPolygon.reset(); + + nPntCnt += mvItems[0].mxTextRanger->GetPointCount(); + while( nPntCnt > POLY_MAX && mvItems.size() > POLY_MIN ) + { + nPntCnt -= mvItems.back().mxTextRanger->GetPointCount(); + mvItems.pop_back(); + } + } + else if( nPos ) + { + CacheItem item = std::move(mvItems[nPos]); + mvItems.erase(mvItems.begin() + nPos); + mvItems.insert(mvItems.begin(), std::move(item)); + } + SwRectFnSet aRectFnSet(pFrame); + long nTmpTop = aRectFnSet.GetTop(rLine); + // fnGetBottom is top + height + long nTmpBottom = aRectFnSet.GetBottom(rLine); + + Range aRange( std::min( nTmpTop, nTmpBottom ), std::max( nTmpTop, nTmpBottom ) ); + + std::deque* pTmp = mvItems[0].mxTextRanger->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 ) + { + aRectFnSet.SetTopAndHeight( aRet, aRectFnSet.GetTop(rLine), + aRectFnSet.GetHeight(rLine) ); + aRectFnSet.SetLeft( aRet, (*pTmp)[ nIdx ] ); + aRectFnSet.SetRight( aRet, (*pTmp)[ nIdx + 1 ] + 1 ); + } + } + return aRet; +} + +SwTextFly::SwTextFly() + : pPage(nullptr) + , mpCurrAnchoredObj(nullptr) + , m_pCurrFrame(nullptr) + , m_pMaster(nullptr) + , nMinBottom(0) + , nNextTop(0) + , m_nCurrFrameNodeIndex(0) + , bOn(false) + , bTopRule(false) + , mbIgnoreCurrentFrame(false) + , mbIgnoreContour(false) + , mbIgnoreObjsInHeaderFooter(false) + +{ +} + +SwTextFly::SwTextFly( const SwTextFrame *pFrame ) +{ + CtorInitTextFly( pFrame ); +} + +SwTextFly::SwTextFly( const SwTextFly& rTextFly ) +{ + pPage = rTextFly.pPage; + mpCurrAnchoredObj = rTextFly.mpCurrAnchoredObj; + m_pCurrFrame = rTextFly.m_pCurrFrame; + m_pMaster = rTextFly.m_pMaster; + if( rTextFly.mpAnchoredObjList ) + { + mpAnchoredObjList.reset( new SwAnchoredObjList( *(rTextFly.mpAnchoredObjList) ) ); + } + + bOn = rTextFly.bOn; + bTopRule = rTextFly.bTopRule; + nMinBottom = rTextFly.nMinBottom; + nNextTop = rTextFly.nNextTop; + m_nCurrFrameNodeIndex = rTextFly.m_nCurrFrameNodeIndex; + mbIgnoreCurrentFrame = rTextFly.mbIgnoreCurrentFrame; + mbIgnoreContour = rTextFly.mbIgnoreContour; + mbIgnoreObjsInHeaderFooter = rTextFly.mbIgnoreObjsInHeaderFooter; +} + +SwTextFly::~SwTextFly() +{ +} + +void SwTextFly::CtorInitTextFly( const SwTextFrame *pFrame ) +{ + mbIgnoreCurrentFrame = false; + mbIgnoreContour = false; + mbIgnoreObjsInHeaderFooter = false; + pPage = pFrame->FindPageFrame(); + const SwFlyFrame* pTmp = pFrame->FindFlyFrame(); + // #i68520# + mpCurrAnchoredObj = pTmp; + m_pCurrFrame = pFrame; + m_pMaster = m_pCurrFrame->IsFollow() ? nullptr : m_pCurrFrame; + // 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 && IsAnyFrame(); + bOn = pPage->GetSortedObjs() != nullptr; + bTopRule = true; + nMinBottom = 0; + nNextTop = 0; + m_nCurrFrameNodeIndex = ULONG_MAX; +} + +SwRect SwTextFly::GetFrame_( const SwRect &rRect ) const +{ + SwRect aRet; + if( ForEach( rRect, &aRet, true ) ) + { + SwRectFnSet aRectFnSet(m_pCurrFrame); + aRectFnSet.SetTop( aRet, aRectFnSet.GetTop(rRect) ); + + // Do not always adapt the bottom + const SwTwips nRetBottom = aRectFnSet.GetBottom(aRet); + const SwTwips nRectBottom = aRectFnSet.GetBottom(rRect); + if ( aRectFnSet.YDiff( nRetBottom, nRectBottom ) > 0 || + aRectFnSet.GetHeight(aRet) < 0 ) + aRectFnSet.SetBottom( aRet, nRectBottom ); + } + return aRet; +} + +bool SwTextFly::IsAnyFrame() const +{ + SwSwapIfSwapped swap(const_cast(m_pCurrFrame)); + + OSL_ENSURE( bOn, "IsAnyFrame: Why?" ); + SwRect aRect(m_pCurrFrame->getFrameArea().Pos() + m_pCurrFrame->getFramePrintArea().Pos(), + m_pCurrFrame->getFramePrintArea().SSize()); + + return ForEach( aRect, nullptr, false ); +} + +bool SwTextFly::IsAnyObj( const SwRect &rRect ) const +{ + OSL_ENSURE( bOn, "SwTextFly::IsAnyObj: Who's knocking?" ); + + SwRect aRect( rRect ); + if ( aRect.IsEmpty() ) + { + aRect = SwRect(m_pCurrFrame->getFrameArea().Pos() + m_pCurrFrame->getFramePrintArea().Pos(), + m_pCurrFrame->getFramePrintArea().SSize()); + } + + const SwSortedObjs *pSorted = pPage->GetSortedObjs(); + if( pSorted ) // bOn actually makes sure that we have objects on the side, + // but who knows who deleted something 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 SwTextFrame* SwTextFly::GetMaster_() +{ + m_pMaster = m_pCurrFrame; + while (m_pMaster && m_pMaster->IsFollow()) + m_pMaster = m_pMaster->FindMaster(); + return m_pMaster; +} + +void SwTextFly::DrawTextOpaque( SwDrawTextInfo &rInf ) +{ + SwSaveClip aClipSave( rInf.GetpOut() ); + SwRect aRect( rInf.GetPos(), rInf.GetSize() ); + if( rInf.GetSpace() ) + { + TextFrameIndex const nTmpLen = TextFrameIndex(COMPLETE_STRING) == rInf.GetLen() + ? TextFrameIndex(rInf.GetText().getLength()) + : rInf.GetLen(); + if( rInf.GetSpace() > 0 ) + { + sal_Int32 nSpaceCnt = 0; + const TextFrameIndex nEndPos = rInf.GetIdx() + nTmpLen; + for (TextFrameIndex nPos = rInf.GetIdx(); nPos < nEndPos; ++nPos) + { + if (CH_BLANK == rInf.GetText()[sal_Int32(nPos)]) + ++nSpaceCnt; + } + if( nSpaceCnt ) + aRect.Width( aRect.Width() + nSpaceCnt * rInf.GetSpace() ); + } + else + aRect.Width( aRect.Width() - sal_Int32(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# + const SwAnchoredObjList::size_type nCount( bOn ? GetAnchoredObjList()->size() : 0 ); + if (nCount > 0) + { + const SdrLayerID nHellId = pPage->getRootFrame()->GetCurrShell()->getIDocumentDrawModelAccess().GetHellId(); + for( SwAnchoredObjList::size_type i = 0; i < nCount; ++i ) + { + // #i68520# + const SwAnchoredObject* pTmpAnchoredObj = (*mpAnchoredObjList)[i]; + if( dynamic_cast(pTmpAnchoredObj) && + mpCurrAnchoredObj != pTmpAnchoredObj ) + { + // #i68520# + const SwFlyFrame& rFly = dynamic_cast(*pTmpAnchoredObj); + if( aRegion.GetOrigin().IsOver( rFly.getFrameArea() ) ) + { + 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() && + css::text::WrapTextMode_THROUGH == rSur.GetSurround() && + ( !rSur.IsAnchorOnly() || + // #i68520# + GetMaster() == rFly.GetAnchorFrame() || + ((RndStdIds::FLY_AT_PARA != rAnchor.GetAnchorId()) && + (RndStdIds::FLY_AT_CHAR != rAnchor.GetAnchorId()) + ) + ) && + // #i68520# + pTmpAnchoredObj->GetDrawObj()->GetLayer() != nHellId && + nCurrOrd < pTmpAnchoredObj->GetDrawObj()->GetOrdNum() + ) + { + // Except for the content is transparent + const SwNoTextFrame *pNoText = + rFly.Lower() && rFly.Lower()->IsNoTextFrame() + ? static_cast(rFly.Lower()) + : nullptr; + if ( !pNoText || + (!pNoText->IsTransparent() && !rSur.IsContour()) ) + { + bOpaque = true; + aRegion -= rFly.getFrameArea(); + } + } + } + } + } + } + + 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; + } + 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); +} + +void SwTextFly::DrawFlyRect( OutputDevice* pOut, const SwRect &rRect ) +{ + SwRegionRects aRegion( rRect ); + OSL_ENSURE( !bTopRule, "DrawFlyRect: Wrong TopRule" ); + // #i68520# + const SwAnchoredObjList::size_type nCount( bOn ? GetAnchoredObjList()->size() : 0 ); + if (nCount > 0) + { + const SdrLayerID nHellId = pPage->getRootFrame()->GetCurrShell()->getIDocumentDrawModelAccess().GetHellId(); + for( SwAnchoredObjList::size_type i = 0; i < nCount; ++i ) + { + // #i68520# + const SwAnchoredObject* pAnchoredObjTmp = (*mpAnchoredObjList)[i]; + if (mpCurrAnchoredObj == pAnchoredObjTmp) + continue; + + // #i68520# + const SwFlyFrame* pFly = dynamic_cast(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 fly frame area + // #i47804# - consider transparent graphics + // and OLE objects. + bool bClipFlyArea = + ( ( css::text::WrapTextMode_THROUGH == rSur.GetSurround() ) + // #i68520# + ? (pAnchoredObjTmp->GetDrawObj()->GetLayer() != nHellId) + : !rSur.IsContour() ) && + !pFly->IsBackgroundTransparent() && + ( !pFly->Lower() || + !pFly->Lower()->IsNoTextFrame() || + !static_cast(pFly->Lower())->IsTransparent() ); + if ( bClipFlyArea ) + { + // #i68520# + SwRect aFly( pAnchoredObjTmp->GetObjRect() ); + // OD 24.01.2003 #106593# + ::SwAlignRect( aFly, pPage->getRootFrame()->GetCurrShell(), pOut ); + if( !aFly.IsEmpty() ) + aRegion -= aFly; + } + } + } + } + + for( size_t i = 0; i < aRegion.size(); ++i ) + { + pOut->DrawRect( aRegion[i].SVRect() ); + } +} + +/** + * #i26945# - change first parameter + * Now it's the instance of the floating screen object + */ +bool SwTextFly::GetTop( const SwAnchoredObject* _pAnchoredObj, + const bool bInFootnote, + const bool bInFooterOrHeader ) +{ + // #i68520# + // is set, if is inside a fly frame + if( _pAnchoredObj != mpCurrAnchoredObj ) + { + // #i26945# + const SdrObject* pNew = _pAnchoredObj->GetDrawObj(); + // #102344# Ignore connectors which have one or more connections + if (const SdrEdgeObj* pEdgeObj = dynamic_cast(pNew)) + { + if (pEdgeObj->GetConnectedNode(true) || pEdgeObj->GetConnectedNode(false)) + { + return false; + } + } + + if( ( bInFootnote || bInFooterOrHeader ) && bTopRule ) + { + // #i26945# + const SwFrameFormat& rFrameFormat = _pAnchoredObj->GetFrameFormat(); + const SwFormatAnchor& rNewA = rFrameFormat.GetAnchor(); + if (RndStdIds::FLY_AT_PAGE == rNewA.GetAnchorId()) + { + if ( bInFootnote ) + return false; + + if ( bInFooterOrHeader ) + { + const 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 + bool bEvade = !mpCurrAnchoredObj || + Is_Lower_Of( dynamic_cast(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 is anchored as character, its content + // does not wrap around pNew + if (RndStdIds::FLY_AS_CHAR == rCurrA.GetAnchorId()) + return false; + + // If pNew is anchored to page and does not wrap around pNew + // If both pNew and are anchored to page, we can do + // some more checks + if (RndStdIds::FLY_AT_PAGE == rNewA.GetAnchorId()) + { + if (RndStdIds::FLY_AT_PAGE == rCurrA.GetAnchorId()) + { + bEvade = true; + } + else + return false; + } + else if (RndStdIds::FLY_AT_PAGE == rCurrA.GetAnchorId()) + return false; // Page anchored ones only avoid page anchored ones + else if (RndStdIds::FLY_AT_FLY == rNewA.GetAnchorId()) + bEvade = true; // Non-page anchored ones avoid frame anchored ones + else if( RndStdIds::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# + const SwRect& aTmp( _pAnchoredObj->GetObjRectWithSpaces() ); + if ( !aTmp.IsOver( mpCurrAnchoredObj->GetObjRectWithSpaces() ) ) + bEvade = false; + } + } + + if ( bEvade ) + { + // #i26945# + const SwFormatAnchor& rNewA = _pAnchoredObj->GetFrameFormat().GetAnchor(); + OSL_ENSURE( RndStdIds::FLY_AS_CHAR != rNewA.GetAnchorId(), + "Don't call GetTop with a FlyInContentFrame" ); + if (RndStdIds::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 Frame anchored at paragraph! + // m_pCurrFrame is the anchor of pNew? + // #i26945# + const SwFrame* pTmp = _pAnchoredObj->GetAnchorFrame(); + if (pTmp == m_pCurrFrame) + return true; + if( pTmp->IsTextFrame() && ( pTmp->IsInFly() || pTmp->IsInFootnote() ) ) + { + // #i26945# + Point aPos = _pAnchoredObj->GetObjRect().Pos(); + pTmp = GetVirtualUpper( pTmp, aPos ); + } + // #i26945# + // If is a text frame inside a table, take the upper + // of the anchor frame, which contains the anchor position. + else if ( pTmp->IsTextFrame() && pTmp->IsInTab() ) + { + pTmp = const_cast(_pAnchoredObj) + ->GetAnchorFrameContainingAnchPos()->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 = &m_pCurrFrame->GetDoc().getIDocumentSettingAccess(); + if ( ( pIDSA->get(DocumentSettingId::CONSIDER_WRAP_ON_OBJECT_POSITION) || + !pIDSA->get(DocumentSettingId::USE_FORMER_TEXT_WRAPPING) ) && + ::FindContext( pTmp, SwFrameType::None ) == ::FindContext(m_pCurrFrame, SwFrameType::None)) + { + return true; + } + + const SwFrame* pHeader = nullptr; + if (m_pCurrFrame->GetNext() != pTmp && + (IsFrameInSameContext( pTmp, m_pCurrFrame ) || + // #i13832#, #i24135# wrap around objects in page header + ( !pIDSA->get(DocumentSettingId::USE_FORMER_TEXT_WRAPPING) && + nullptr != ( pHeader = pTmp->FindFooterOrHeader() ) && + m_pCurrFrame->IsInDocBody()))) + { + if( pHeader || RndStdIds::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 == m_nCurrFrameNodeIndex) + m_nCurrFrameNodeIndex = m_pCurrFrame->GetTextNodeFirst()->GetIndex(); + + if (FrameContainsNode(*m_pCurrFrame, nTmpIndex) || nTmpIndex < m_nCurrFrameNodeIndex) + return true; + } + } + } + return false; +} + +// #i68520# +SwAnchoredObjList* SwTextFly::InitAnchoredObjList() +{ + OSL_ENSURE( m_pCurrFrame, "InitFlyList: No Frame, no FlyList" ); + // #i68520# + OSL_ENSURE( !mpAnchoredObjList, "InitFlyList: FlyList already initialized" ); + + SwSwapIfSwapped swap(const_cast(m_pCurrFrame)); + + 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 = nullptr != m_pCurrFrame->FindFooterOrHeader(); + const IDocumentSettingAccess* pIDSA = &m_pCurrFrame->GetDoc().getIDocumentSettingAccess(); + // #i40155# - check, if frame is marked not to wrap + const bool bWrapAllowed = ( pIDSA->get(DocumentSettingId::USE_FORMER_TEXT_WRAPPING) || + (!m_pCurrFrame->IsInFootnote() && !bFooterHeader)); + + bOn = false; + + if( nCount && bWrapAllowed ) + { + // #i68520# + mpAnchoredObjList.reset(new SwAnchoredObjList ); + + // #i28701# - consider complete frame area for new + // text wrapping + SwRect aRect; + if ( pIDSA->get(DocumentSettingId::USE_FORMER_TEXT_WRAPPING) ) + { + aRect = m_pCurrFrame->getFramePrintArea(); + aRect += m_pCurrFrame->getFrameArea().Pos(); + } + else + { + aRect = m_pCurrFrame->getFrameArea(); + } + // Make ourselves a little smaller than we are, + // so that 1-Twip-overlappings are ignored (#49532) + SwRectFnSet aRectFnSet(m_pCurrFrame); + const long nRight = aRectFnSet.GetRight(aRect) - 1; + const long nLeft = aRectFnSet.GetLeft(aRect) + 1; + const bool bR2L = m_pCurrFrame->IsRightToLeft(); + + const IDocumentDrawModelAccess& rIDDMA = m_pCurrFrame->GetDoc().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 + // #i20505# Do not consider oversized objects + SwAnchoredObject* pAnchoredObj = (*pSorted)[ i ]; + assert(pAnchoredObj); + if ( !pAnchoredObj || + !rIDDMA.IsVisibleLayerId( pAnchoredObj->GetDrawObj()->GetLayer() ) || + !pAnchoredObj->ConsiderForTextWrap() || + ( mbIgnoreObjsInHeaderFooter && !bFooterHeader && + pAnchoredObj->GetAnchorFrame()->FindFooterOrHeader() ) ) + { + continue; + } + + const SwRect aBound( pAnchoredObj->GetObjRectWithSpaces() ); + if ( nRight < aRectFnSet.GetLeft(aBound) || + aRectFnSet.YDiff( aRectFnSet.GetTop(aRect), + aRectFnSet.GetBottom(aBound) ) > 0 || + nLeft > aRectFnSet.GetRight(aBound) || + aRectFnSet.GetHeight(aBound) > + 2 * aRectFnSet.GetHeight(pPage->getFrameArea()) ) + { + continue; + } + + // #i26945# - pass to method + // instead of only the instance of the + // anchored object + if (GetTop(pAnchoredObj, m_pCurrFrame->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, aRectFnSet.FnRect() ) ); + + mpAnchoredObjList->insert( aInsPosIter, pAnchoredObj ); + } + + const SwFormatSurround &rFlyFormat = pAnchoredObj->GetFrameFormat().GetSurround(); + // #i68520# + if ( rFlyFormat.IsAnchorOnly() && + pAnchoredObj->GetAnchorFrame() == GetMaster() ) + { + const SwFormatVertOrient &rTmpFormat = + pAnchoredObj->GetFrameFormat().GetVertOrient(); + if( text::VertOrientation::BOTTOM != rTmpFormat.GetVertOrient() ) + nMinBottom = ( aRectFnSet.IsVert() && nMinBottom ) ? + std::min( nMinBottom, aBound.Left() ) : + std::max( nMinBottom, aRectFnSet.GetBottom(aBound) ); + } + + bOn = true; + } + } + if( nMinBottom ) + { + SwTwips nMax = aRectFnSet.GetPrtBottom(*m_pCurrFrame->GetUpper()); + if( aRectFnSet.YDiff( nMinBottom, nMax ) > 0 ) + nMinBottom = nMax; + } + } + else + { + // #i68520# + mpAnchoredObjList.reset( new SwAnchoredObjList ); + } + + // #i68520# + return mpAnchoredObjList.get(); +} + +SwTwips SwTextFly::CalcMinBottom() const +{ + SwTwips nRet = 0; + const SwContentFrame *pLclMaster = GetMaster(); + OSL_ENSURE(pLclMaster, "SwTextFly without master"); + const SwSortedObjs *pDrawObj = pLclMaster ? pLclMaster->GetDrawObjs() : nullptr; + const size_t nCount = pDrawObj ? pDrawObj->size() : 0; + if( nCount ) + { + SwTwips nEndOfFrame = m_pCurrFrame->getFrameArea().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() < nEndOfFrame ) + nRet = std::max( nRet, aBound.Bottom() ); + } + } + } + SwTwips nMax = m_pCurrFrame->GetUpper()->getFrameArea().Top() + + m_pCurrFrame->GetUpper()->getFramePrintArea().Bottom(); + if( nRet > nMax ) + nRet = nMax; + } + return nRet; +} + +bool SwTextFly::ForEach( const SwRect &rRect, SwRect* pRect, bool bAvoid ) const +{ + SwSwapIfSwapped swap(const_cast(m_pCurrFrame)); + + // Optimization + SwRectFnSet aRectFnSet(m_pCurrFrame); + + // tdf#127235 stop if the area is larger than the page + if( aRectFnSet.GetHeight(pPage->getFrameArea()) < aRectFnSet.GetHeight(rRect)) + { + // get the doc model description + const SwPageDesc* pPageDesc = pPage->GetPageDesc(); + + // if there is no next page style or it is the same as the current + // => stop trying to place the frame (it would end in an infinite loop) + if( pPageDesc && + ( !pPageDesc->GetFollow() || pPageDesc->GetFollow() == pPageDesc) ) + { + return false; + } + } + + bool bRet = false; + // #i68520# + const SwAnchoredObjList::size_type nCount( bOn ? GetAnchoredObjList()->size() : 0 ); + if (nCount > 0) + { + for( SwAnchoredObjList::size_type i = 0; i < nCount; ++i ) + { + // #i68520# + const SwAnchoredObject* pAnchoredObj = (*mpAnchoredObjList)[i]; + + SwRect aRect( pAnchoredObj->GetObjRectWithSpaces() ); + + if( aRectFnSet.GetLeft(aRect) > aRectFnSet.GetRight(rRect) ) + 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 cleverly set the ClippingRegions + const SwFormatAnchor& rAnchor = pFormat->GetAnchor(); + if( ( css::text::WrapTextMode_THROUGH == rSur.GetSurround() && + ( !rSur.IsAnchorOnly() || + // #i68520# + GetMaster() == pAnchoredObj->GetAnchorFrame() || + ((RndStdIds::FLY_AT_PARA != rAnchor.GetAnchorId()) && + (RndStdIds::FLY_AT_CHAR != rAnchor.GetAnchorId())) ) ) + || aRect.Top() == FAR_AWAY ) + continue; + } + + // #i58642# + // Compare instead of with the + // anchor frame of the anchored object, because a follow frame + // has 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->GetAnchorFrame() ) + continue; + + if( pRect ) + { + // #i68520# + SwRect aFly = AnchoredObjToRect( pAnchoredObj, rRect ); + if( aFly.IsEmpty() || !aFly.IsOver( rRect ) ) + continue; + if( !bRet || ( + (!m_pCurrFrame->IsRightToLeft() && + ( aRectFnSet.GetLeft(aFly) < + aRectFnSet.GetLeft(*pRect) ) ) || + (m_pCurrFrame->IsRightToLeft() && + ( aRectFnSet.GetRight(aFly) > + aRectFnSet.GetRight(*pRect) ) ) ) ) + *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( !m_pCurrFrame->IsVertical() || !m_pCurrFrame->IsSwapped(), + "SwTextFly::CalcRightMargin with swapped frame" ); + SwRectFnSet aRectFnSet(m_pCurrFrame); + // #118796# - correct determination of right of printing area + SwTwips nRight = aRectFnSet.GetPrtRight(*m_pCurrFrame); + SwTwips nFlyRight = aRectFnSet.GetRight(rFly); + SwRect aLine( rLine ); + aRectFnSet.SetRight( aLine, nRight ); + aRectFnSet.SetLeft( aLine, aRectFnSet.GetLeft(rFly) ); + + // 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->getFrameArea().IsOver( rLine ) is necessary + // #i68520# + css::text::WrapTextMode 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( css::text::WrapTextMode_THROUGH == eSurroundForTextWrap ) + continue; + + const SwRect aTmp( SwContourCache::CalcBoundRect + ( pNext, aLine, m_pCurrFrame, nFlyRight, true ) ); + SwTwips nTmpRight = aRectFnSet.GetRight(aTmp); + + // 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 = aRectFnSet.GetTop(aTmp); + if( aRectFnSet.YDiff( nTmpTop, aRectFnSet.GetTop(aLine) ) > 0 ) + { + if( aRectFnSet.YDiff( nNextTop, nTmpTop ) > 0 ) + SetNextTop( nTmpTop ); // upper border of next frame + } + else if (!aRectFnSet.GetWidth(aTmp)) // 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( ! aRectFnSet.GetHeight(aTmp) || + aRectFnSet.YDiff( aRectFnSet.GetBottom(aTmp), + aRectFnSet.GetTop(aLine) ) > 0 ) + SetNextTop( 0 ); + } + if( aTmp.IsOver( aLine ) && nTmpRight > nFlyRight ) + { + nFlyRight = nTmpRight; + if( css::text::WrapTextMode_RIGHT == eSurroundForTextWrap || + css::text::WrapTextMode_PARALLEL == eSurroundForTextWrap ) + { + // overrule the FlyFrame + if( nRight > nFlyRight ) + nRight = nFlyRight; + bStop = true; + } + } + } + aRectFnSet.SetRight( rFly, nRight ); +} + +// #i68520# +void SwTextFly::CalcLeftMargin( SwRect &rFly, + SwAnchoredObjList::size_type nFlyPos, + const SwRect &rLine ) const +{ + OSL_ENSURE( !m_pCurrFrame->IsVertical() || !m_pCurrFrame->IsSwapped(), + "SwTextFly::CalcLeftMargin with swapped frame" ); + SwRectFnSet aRectFnSet(m_pCurrFrame); + // #118796# - correct determination of left of printing area + SwTwips nLeft = aRectFnSet.GetPrtLeft(*m_pCurrFrame); + const SwTwips nFlyLeft = aRectFnSet.GetLeft(rFly); + + if( nLeft > nFlyLeft ) + nLeft = rFly.Left(); + + SwRect aLine( rLine ); + aRectFnSet.SetLeft( aLine, 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->getFrameArea().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( aRectFnSet.GetLeft(aTmp) >= nFlyLeft ) + break; + } + + while( nFlyPos ) + { + if( --nFlyPos == nMyPos ) + continue; + // #i68520# + const SwAnchoredObject* pNext = (*mpAnchoredObjList)[ nFlyPos ]; + if( pNext == mpCurrAnchoredObj ) + continue; + css::text::WrapTextMode eSurroundForTextWrap = GetSurroundForTextWrap( pNext ); + if( css::text::WrapTextMode_THROUGH == eSurroundForTextWrap ) + continue; + + const SwRect aTmp( SwContourCache::CalcBoundRect + (pNext, aLine, m_pCurrFrame, nFlyLeft, false) ); + + if( aRectFnSet.GetLeft(aTmp) < nFlyLeft && aTmp.IsOver( aLine ) ) + { + // #118796# - no '+1', because <..fnGetRight> + // returns the correct value. + SwTwips nTmpRight = aRectFnSet.GetRight(aTmp); + if ( nLeft <= nTmpRight ) + nLeft = nTmpRight; + + break; + } + } + aRectFnSet.SetLeft( rFly, nLeft ); +} + +// #i68520# +SwRect SwTextFly::AnchoredObjToRect( const SwAnchoredObject* pAnchoredObj, + const SwRect &rLine ) const +{ + SwRectFnSet aRectFnSet(m_pCurrFrame); + + const long nXPos = m_pCurrFrame->IsRightToLeft() ? + rLine.Right() : + aRectFnSet.GetLeft(rLine); + + SwRect aFly = mbIgnoreContour ? + pAnchoredObj->GetObjRectWithSpaces() : + SwContourCache::CalcBoundRect(pAnchoredObj, rLine, m_pCurrFrame, + nXPos, !m_pCurrFrame->IsRightToLeft()); + + if( !aFly.Width() ) + return aFly; + + // so the line may grow up to the lower edge of the frame + SetNextTop( aRectFnSet.GetBottom(aFly) ); + 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 css::text::WrapTextMode_LEFT : + { + CalcRightMargin( aFly, nFlyPos, rLine ); + break; + } + case css::text::WrapTextMode_RIGHT : + { + CalcLeftMargin( aFly, nFlyPos, rLine ); + break; + } + case css::text::WrapTextMode_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 + +css::text::WrapTextMode SwTextFly::GetSurroundForTextWrap( const SwAnchoredObject* pAnchoredObj ) const +{ + const SwFrameFormat* pFormat = &(pAnchoredObj->GetFrameFormat()); + const SwFormatSurround &rFlyFormat = pFormat->GetSurround(); + css::text::WrapTextMode eSurroundForTextWrap = rFlyFormat.GetSurround(); + + if( rFlyFormat.IsAnchorOnly() && pAnchoredObj->GetAnchorFrame() != GetMaster() ) + { + const SwFormatAnchor& rAnchor = pFormat->GetAnchor(); + if ((RndStdIds::FLY_AT_PARA == rAnchor.GetAnchorId()) || + (RndStdIds::FLY_AT_CHAR == rAnchor.GetAnchorId())) + { + return css::text::WrapTextMode_NONE; + } + } + + // in cause of run-through and nowrap ignore smartly + if( css::text::WrapTextMode_THROUGH == eSurroundForTextWrap || + css::text::WrapTextMode_NONE == eSurroundForTextWrap ) + return eSurroundForTextWrap; + + // left is left and right is right + if (m_pCurrFrame->IsRightToLeft()) + { + if ( css::text::WrapTextMode_LEFT == eSurroundForTextWrap ) + eSurroundForTextWrap = css::text::WrapTextMode_RIGHT; + else if ( css::text::WrapTextMode_RIGHT == eSurroundForTextWrap ) + eSurroundForTextWrap = css::text::WrapTextMode_LEFT; + } + + // "ideal page wrap": + if ( css::text::WrapTextMode_DYNAMIC == eSurroundForTextWrap ) + { + SwRectFnSet aRectFnSet(m_pCurrFrame); + const long nCurrLeft = aRectFnSet.GetPrtLeft(*m_pCurrFrame); + const long nCurrRight = aRectFnSet.GetPrtRight(*m_pCurrFrame); + const SwRect& aRect( pAnchoredObj->GetObjRectWithSpaces() ); + long nFlyLeft = aRectFnSet.GetLeft(aRect); + long nFlyRight = aRectFnSet.GetRight(aRect); + + if ( nFlyRight < nCurrLeft || nFlyLeft > nCurrRight ) + eSurroundForTextWrap = css::text::WrapTextMode_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()->GetDoc() + .getIDocumentSettingAccess().get(DocumentSettingId::SURROUND_TEXT_WRAP_SMALL ) + ? TEXT_MIN_SMALL : TEXT_MIN; + + // In case there is no space on either side, then css::text::WrapTextMode_PARALLEL + // gives the same result when doing the initial layout or a layout + // update after editing, so prefer that over css::text::WrapTextMode_NONE. + if (nLeft == 0 && nRight == 0) + return css::text::WrapTextMode_PARALLEL; + + if( nLeft < textMin ) + nLeft = 0; + if( nRight < textMin ) + nRight = 0; + if( nLeft ) + eSurroundForTextWrap = nRight ? css::text::WrapTextMode_PARALLEL : css::text::WrapTextMode_LEFT; + else + eSurroundForTextWrap = nRight ? css::text::WrapTextMode_RIGHT: css::text::WrapTextMode_NONE; + } + } + + return eSurroundForTextWrap; +} + +bool SwTextFly::IsAnyFrame( const SwRect &rLine ) const +{ + + SwSwapIfSwapped swap(const_cast(m_pCurrFrame)); + + OSL_ENSURE( bOn, "IsAnyFrame: Why?" ); + + return ForEach( rLine, nullptr, false ); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ -- cgit v1.2.3