diff options
Diffstat (limited to 'sw/source/core/text/itrpaint.cxx')
| -rw-r--r-- | sw/source/core/text/itrpaint.cxx | 807 |
1 files changed, 807 insertions, 0 deletions
diff --git a/sw/source/core/text/itrpaint.cxx b/sw/source/core/text/itrpaint.cxx new file mode 100644 index 0000000000..5b6bb1288d --- /dev/null +++ b/sw/source/core/text/itrpaint.cxx @@ -0,0 +1,807 @@ +/* -*- 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 <hintids.hxx> +#include <viewopt.hxx> +#include <tools/multisel.hxx> +#include <editeng/udlnitem.hxx> +#include <pagefrm.hxx> +#include <tgrditem.hxx> + +#include <EnhancedPDFExportHelper.hxx> +#include <IDocumentSettingAccess.hxx> + +#include <viewsh.hxx> +#include "itrpaint.hxx" +#include <txtfrm.hxx> +#include <swfont.hxx> +#include "txtpaint.hxx" +#include "porfld.hxx" +#include "portab.hxx" +#include <txatbase.hxx> +#include <charfmt.hxx> +#include "redlnitr.hxx" +#include "porrst.hxx" +#include "pormulti.hxx" +#include <doc.hxx> + +// Returns, if we have an underline breaking situation +// Adding some more conditions here means you also have to change them +// in SwTextPainter::CheckSpecialUnderline +bool IsUnderlineBreak( const SwLinePortion& rPor, const SwFont& rFnt ) +{ + return LINESTYLE_NONE == rFnt.GetUnderline() || + rPor.IsFlyPortion() || rPor.IsFlyCntPortion() || + rPor.IsBreakPortion() || rPor.IsMarginPortion() || + rPor.IsHolePortion() || + ( rPor.IsMultiPortion() && ! static_cast<const SwMultiPortion&>(rPor).IsBidi() ) || + rFnt.GetEscapement() < 0 || rFnt.IsWordLineMode() || + SvxCaseMap::SmallCaps == rFnt.GetCaseMap(); +} + +static Color GetUnderColor( const SwFont *pFont ) +{ + return pFont->GetUnderColor() == COL_AUTO ? + pFont->GetColor() : pFont->GetUnderColor(); +} + +void SwTextPainter::CtorInitTextPainter( SwTextFrame *pNewFrame, SwTextPaintInfo *pNewInf ) +{ + CtorInitTextCursor( pNewFrame, pNewInf ); + m_pInf = pNewInf; + SwFont *pMyFnt = GetFnt(); + GetInfo().SetFont( pMyFnt ); + m_bPaintDrop = false; +} + +SwLinePortion *SwTextPainter::CalcPaintOfst(const SwRect &rPaint, bool& rbSkippedNumPortions) +{ + SwLinePortion *pPor = m_pCurr->GetFirstPortion(); + GetInfo().SetPaintOfst( 0 ); + SwTwips nPaintOfst = rPaint.Left(); + + // nPaintOfst was exactly set to the end, therefore <= + // nPaintOfst is document global, therefore add up nLeftMar + // const sal_uInt16 nLeftMar = sal_uInt16(GetLeftMargin()); + // 8310: paint of LineBreaks in empty lines. + if( nPaintOfst && m_pCurr->Width() ) + { + SwLinePortion *pLast = nullptr; + // 7529 and 4757: not <= nPaintOfst + while( pPor && GetInfo().X() + pPor->Width() + (pPor->Height()/2) + < nPaintOfst ) + { + if( pPor->InSpaceGrp() && GetInfo().GetSpaceAdd() ) + { + tools::Long nTmp = GetInfo().X() +pPor->Width() + + pPor->CalcSpacing( GetInfo().GetSpaceAdd(), GetInfo() ); + if( nTmp + (pPor->Height()/2) >= nPaintOfst ) + break; + GetInfo().X( nTmp ); + GetInfo().SetIdx( GetInfo().GetIdx() + pPor->GetLen() ); + } + else + pPor->Move( GetInfo() ); + if (pPor->InNumberGrp() + && !static_cast<SwNumberPortion const*>(pPor)->HasFollow()) + { + rbSkippedNumPortions = true; // all numbering portions were skipped? + } + pLast = pPor; + pPor = pPor->GetNextPortion(); + } + + // 7529: if PostIts return also pLast. + if( pLast && !pLast->Width() && pLast->IsPostItsPortion() ) + { + pPor = pLast; + GetInfo().SetIdx( GetInfo().GetIdx() - pPor->GetLen() ); + } + } + return pPor; +} + +// There are two possibilities to output transparent font: +// 1) DrawRect on the whole line and DrawText afterwards +// (objectively fast, subjectively slow) +// 2) For every portion a DrawRect with subsequent DrawText is done +// (objectively slow, subjectively fast) +// Since the user usually judges subjectively the second method is set as default. +void SwTextPainter::DrawTextLine( const SwRect &rPaint, SwSaveClip &rClip, + const bool bUnderSized, + ::std::optional<SwTaggedPDFHelper> & roTaggedLabel, + ::std::optional<SwTaggedPDFHelper> & roTaggedParagraph, + bool const isPDFTaggingEnabled) +{ +#if OSL_DEBUG_LEVEL > 1 +// sal_uInt16 nFntHeight = GetInfo().GetFont()->GetHeight( GetInfo().GetVsh(), GetInfo().GetOut() ); +// sal_uInt16 nFntAscent = GetInfo().GetFont()->GetAscent( GetInfo().GetVsh(), GetInfo().GetOut() ); +#endif + + // maybe catch-up adjustment + GetAdjusted(); + AddExtraBlankWidth(); + GetInfo().SetpSpaceAdd( m_pCurr->GetpLLSpaceAdd() ); + GetInfo().ResetSpaceIdx(); + GetInfo().SetKanaComp( m_pCurr->GetpKanaComp() ); + GetInfo().ResetKanaIdx(); + // The size of the frame + GetInfo().SetIdx( GetStart() ); + GetInfo().SetPos( GetTopLeft() ); + + const bool bDrawInWindow = GetInfo().OnWin(); + + // 6882: blank lines can't be optimized by removing them if Formatting Marks are shown + const bool bEndPor = GetInfo().GetOpt().IsParagraph() && GetInfo().GetText().isEmpty(); + + bool bSkippedNumPortions(false); + SwLinePortion *pPor = bEndPor ? m_pCurr->GetFirstPortion() : CalcPaintOfst(rPaint, bSkippedNumPortions); + + if (bSkippedNumPortions // ugly but hard to check earlier in PaintSwFrame: + && !GetInfo().GetTextFrame()->GetTextNodeForParaProps()->IsOutline()) + { // there is a num portion but it is outside of the frame area and not painted + assert(!roTaggedLabel); + assert(!roTaggedParagraph); + Frame_Info aFrameInfo(*m_pFrame, false); // open LBody + roTaggedParagraph.emplace(nullptr, &aFrameInfo, nullptr, *GetInfo().GetOut()); + } + + SwTaggedPDFHelper::EndCurrentLink(*GetInfo().GetOut()); + + // Optimization! + SwTwips nMaxRight = std::min<SwTwips>( rPaint.Right(), Right() ); + const SwTwips nTmpLeft = GetInfo().X(); + //compatibility settings: allow tabstop text to exceed right margin + const auto& iDSA = GetInfo().GetTextFrame()->GetDoc().getIDocumentSettingAccess(); + const bool bTabOverMargin = iDSA.get(DocumentSettingId::TAB_OVER_MARGIN); + const bool bTabOverSpacing = iDSA.get(DocumentSettingId::TAB_OVER_SPACING); + if (bTabOverMargin || bTabOverSpacing) + { + SwLinePortion* pPorIter = pPor; + while( pPorIter ) + { + if( pPorIter->InTabGrp() ) + { + const SwTabPortion* pTabPor = static_cast<SwTabPortion*>(pPorIter); + const SwTwips nTabPos = nTmpLeft + pTabPor->GetTabPos(); + if( nMaxRight < nTabPos ) + { + nMaxRight = rPaint.Right(); + break; + } + } + pPorIter = pPorIter->GetNextPortion(); + } + } + if( !bEndPor && nTmpLeft >= nMaxRight ) + return; + + // DropCaps! + // 7538: of course for the printer, too + if( !m_bPaintDrop ) + { + // 8084: Optimization, less painting + // AMA: By 8084 7538 has been revived + // bDrawInWindow removed, so that DropCaps also can be printed + m_bPaintDrop = pPor == m_pCurr->GetFirstPortion() + && GetDropLines() >= GetLineNr(); + } + + SwTwips nTmpHeight, nTmpAscent; + CalcAscentAndHeight( nTmpAscent, nTmpHeight ); + + // bClip decides if there's a need to clip + // The whole thing must be done before retouching + + bool bClip = ( bDrawInWindow || bUnderSized ) && !rClip.IsChg(); + if( bClip && pPor ) + { + // If TopLeft or BottomLeft of the line are outside, the we must clip. + // The check for Right() is done in the output loop ... + + if( GetInfo().GetPos().X() < rPaint.Left() || + GetInfo().GetPos().Y() < rPaint.Top() || + GetInfo().GetPos().Y() + nTmpHeight > rPaint.Top() + rPaint.Height() ) + { + bClip = false; + rClip.ChgClip( rPaint, m_pFrame, m_pCurr->HasUnderscore() ); + } +#if OSL_DEBUG_LEVEL > 1 + static bool bClipAlways = false; + if( bClip && bClipAlways ) + { bClip = false; + rClip.ChgClip( rPaint ); + } +#endif + } + + // Alignment + OutputDevice* pOut = GetInfo().GetOut(); + Point aPnt1( nTmpLeft, GetInfo().GetPos().Y() ); + if ( aPnt1.X() < rPaint.Left() ) + aPnt1.setX( rPaint.Left() ); + if ( aPnt1.Y() < rPaint.Top() ) + aPnt1.setY( rPaint.Top() ); + Point aPnt2( GetInfo().GetPos().X() + nMaxRight - GetInfo().X(), + GetInfo().GetPos().Y() + nTmpHeight ); + if ( aPnt2.X() > rPaint.Right() ) + aPnt2.setX( rPaint.Right() ); + if ( aPnt2.Y() > rPaint.Bottom() ) + aPnt2.setY( rPaint.Bottom() ); + + const SwRect aLineRect( aPnt1, aPnt2 ); + + if( m_pCurr->IsClipping() ) + { + const SwTextFrame& rFrame = *GetInfo().GetTextFrame(); + // tdf#117448 at small fixed line height, enlarge clipping area in table cells + // to show previously clipped text content on the area of paragraph margins + if ( rFrame.IsInTab() ) + rClip.ChgClip( aLineRect, m_pFrame, false, rFrame.GetTopMargin(), rFrame.GetBottomMargin() ); + else + rClip.ChgClip( aLineRect, m_pFrame ); + bClip = false; + } + + if( !pPor && !bEndPor ) + return; + + // Baseline output also if non-TextPortion (compare TabPor with Fill) + // if no special vertical alignment is used, + // we calculate Y value for the whole line + SwTextGridItem const*const pGrid(GetGridItem(GetTextFrame()->FindPageFrame())); + const bool bAdjustBaseLine = + GetLineInfo().HasSpecialAlign( GetTextFrame()->IsVertical() ) || + ( nullptr != pGrid ) || m_pCurr->GetHangingBaseline(); + const SwTwips nLineBaseLine = GetInfo().GetPos().Y() + nTmpAscent; + if ( ! bAdjustBaseLine ) + GetInfo().Y( nLineBaseLine ); + + // 7529: Pre-paint post-its + if( GetInfo().OnWin() && pPor && !pPor->Width() ) + { + SeekAndChg( GetInfo() ); + + if( bAdjustBaseLine ) + { + const SwTwips nOldY = GetInfo().Y(); + + GetInfo().Y( GetInfo().GetPos().Y() + AdjustBaseLine( *m_pCurr, nullptr, + GetInfo().GetFont()->GetHeight( GetInfo().GetVsh(), *pOut ), + GetInfo().GetFont()->GetAscent( GetInfo().GetVsh(), *pOut ) + ) ); + + pPor->PrePaint( GetInfo(), pPor ); + GetInfo().Y( nOldY ); + } + else + pPor->PrePaint( GetInfo(), pPor ); + } + + // 7923: EndPortions output chars, too, that's why we change the font + if( bEndPor ) + SeekStartAndChg( GetInfo() ); + + const bool bRest = m_pCurr->IsRest(); + bool bFirst = true; + + SwArrowPortion *pArrow = nullptr; + // Reference portion for the paragraph end portion + SwLinePortion* pEndTempl = m_pCurr->GetFirstPortion(); + + while( pPor ) + { + bool bSeeked = true; + GetInfo().SetLen( pPor->GetLen() ); + + const SwTwips nOldY = GetInfo().Y(); + + if ( bAdjustBaseLine ) + { + GetInfo().Y( GetInfo().GetPos().Y() + AdjustBaseLine( *m_pCurr, pPor ) ); + + // we store the last portion, because a possible paragraph + // end character has the same font as this portion + // (only in special vertical alignment case, otherwise the first + // portion of the line is used) + if ( pPor->Width() && pPor->InTextGrp() ) + pEndTempl = pPor; + } + + // set redlining for line break symbol + if ( pPor->IsBreakPortion() && GetInfo().GetOpt().IsParagraph() && GetRedln() ) + { + SeekAndChg( GetInfo() ); + if ( m_pCurr->GetRedlineEndType() != RedlineType::None ) + static_cast<SwBreakPortion&>(*pPor).SetRedline( m_pCurr->GetRedlineEndType() ); + } + + // A special case are GluePortions which output blanks. + + // 6168: Avoid that the rest of a FieldPortion gets the attributes of the + // next portion with SeekAndChgBefore(): + if( bRest && pPor->InFieldGrp() && !pPor->GetLen() ) + SeekAndChgBefore( GetInfo() ); + else if ( pPor->IsQuoVadisPortion() ) + { + // A remark on QuoVadis/ErgoSum: + // We use the Font set for the Paragraph for these portions. + // Thus, we initialize: + TextFrameIndex nOffset = GetInfo().GetIdx(); + SeekStartAndChg( GetInfo(), true ); + if( GetRedln() && m_pCurr->HasRedline() ) + { + std::pair<SwTextNode const*, sal_Int32> const pos( + GetTextFrame()->MapViewToModel(nOffset)); + GetRedln()->Seek(*m_pFont, pos.first->GetIndex(), pos.second, 0); + } + } + else if( pPor->InTextGrp() || pPor->InFieldGrp() || pPor->InTabGrp() ) + SeekAndChg( GetInfo() ); + else if ( !bFirst && pPor->IsBreakPortion() && GetInfo().GetOpt().IsParagraph() ) + { + // Paragraph symbols should have the same font as the paragraph in front of them, + // except for the case that there's redlining in the paragraph + if( GetRedln() ) + SeekAndChg( GetInfo() ); + else + SeekAndChgBefore( GetInfo() ); + } + else + bSeeked = false; + + // bRest = false; + + // If the end of the portion juts out, it is clipped. + // A safety distance of half the height is added, so that + // TTF-"f" isn't overlapping into the page margin. + if( bClip && + GetInfo().X() + pPor->Width() + ( pPor->Height() / 2 ) > nMaxRight ) + { + bClip = false; + rClip.ChgClip( rPaint, m_pFrame, m_pCurr->HasUnderscore() ); + } + + // Portions, which lay "below" the text like post-its + SwLinePortion *pNext = pPor->GetNextPortion(); + if( GetInfo().OnWin() && pNext && !pNext->Width() ) + { + // Fix 11289: Fields were omitted here because of Last!=Owner during + // loading Brief.sdw. Now the fields are allowed again, + // by bSeeked Last!=Owner is being avoided. + if ( !bSeeked ) + SeekAndChg( GetInfo() ); + pNext->PrePaint( GetInfo(), pPor ); + } + + // We calculate a separate font for underlining. + CheckSpecialUnderline( pPor, bAdjustBaseLine ? nOldY : 0 ); + SwUnderlineFont* pUnderLineFnt = GetInfo().GetUnderFnt(); + if ( pUnderLineFnt ) + { + const Point aTmpPoint( GetInfo().X(), + bAdjustBaseLine ? + pUnderLineFnt->GetPos().Y() : + nLineBaseLine ); + pUnderLineFnt->SetPos( aTmpPoint ); + } + + // in extended input mode we do not want a common underline font. + SwUnderlineFont* pOldUnderLineFnt = nullptr; + if ( GetRedln() && GetRedln()->ExtOn() ) + { + pOldUnderLineFnt = GetInfo().GetUnderFnt(); + GetInfo().SetUnderFnt( nullptr ); + } + + // multiple numbering portions are possible :( + if ((pPor->InNumberGrp() // also footnote label + // weird special case, bullet with soft hyphen + || (pPor->InHyphGrp() && pNext && pNext->InNumberGrp())) + && !GetInfo().GetTextFrame()->GetTextNodeForParaProps()->IsOutline() + && !roTaggedLabel) // note: CalcPaintOfst may skip some portions + { + assert(isPDFTaggingEnabled); + Por_Info aPorInfo(*pPor, *this, 1); // open Lbl + roTaggedLabel.emplace(nullptr, nullptr, &aPorInfo, *pOut); + } + + { + // #i16816# tagged pdf support + Por_Info aPorInfo(*pPor, *this, 0); + SwTaggedPDFHelper aTaggedPDFHelper( nullptr, nullptr, &aPorInfo, *pOut ); + + if( pPor->IsMultiPortion() ) + PaintMultiPortion( rPaint, static_cast<SwMultiPortion&>(*pPor) ); + else + pPor->Paint( GetInfo() ); + } + + // lazy open LBody and paragraph tag after num portions have been painted to Lbl + if (pPor->InNumberGrp() // also footnote label + // note: numbering portion may be split if it has multiple scripts + && !static_cast<SwNumberPortion const*>(pPor)->HasFollow()) // so wait for the last one + { + if (!GetInfo().GetTextFrame()->GetTextNodeForParaProps()->IsOutline()) + { + assert(roTaggedLabel); + roTaggedLabel.reset(); // close Lbl + assert(!roTaggedParagraph); + Frame_Info aFrameInfo(*m_pFrame, false); // open LBody + roTaggedParagraph.emplace(nullptr, &aFrameInfo, nullptr, *pOut); + } + else + { + assert(!roTaggedLabel); + } + } + + // reset underline font + if ( pOldUnderLineFnt ) + GetInfo().SetUnderFnt( pOldUnderLineFnt ); + + // reset (for special vertical alignment) + GetInfo().Y( nOldY ); + + bFirst &= !pPor->GetLen(); + if( pNext || !pPor->IsMarginPortion() ) + pPor->Move( GetInfo() ); + if( pPor->IsArrowPortion() && GetInfo().OnWin() && !pArrow ) + pArrow = static_cast<SwArrowPortion*>(pPor); + + pPor = bDrawInWindow || GetInfo().X() <= nMaxRight || + // #i16816# tagged pdf support + ( GetInfo().GetVsh() && + GetInfo().GetVsh()->GetViewOptions()->IsPDFExport() && + pNext && pNext->IsHolePortion() ) ? + pNext : + nullptr; + if (!pPor && isPDFTaggingEnabled && (roTaggedLabel || !roTaggedParagraph)) + { // check if the end of the list label is off-screen + auto FindEndOfNumbering = [&](SwLinePortion const* pP) { + while (pP) + { + if (pP->InNumberGrp() + && !static_cast<SwNumberPortion const*>(pP)->HasFollow()) + { + if (roTaggedLabel) + { + roTaggedLabel.reset(); + } // else, if the numbering isn't visible at all, no Lbl + if (!GetInfo().GetTextFrame()->GetTextNodeForParaProps()->IsOutline()) + { + Frame_Info aFrameInfo(*m_pFrame, false); // open LBody + roTaggedParagraph.emplace(nullptr, &aFrameInfo, nullptr, *GetInfo().GetOut()); + } + return true; + } + pP = pP->GetNextPortion(); + } + return false; + }; + if (!FindEndOfNumbering(pNext)) // check rest of current line + { + // check lines that will be cut off + if (rPaint.Bottom() < Y() + GetLineHeight()) + { + for (SwLineLayout const* pLine = GetNext(); pLine; pLine = pLine->GetNext()) + { + if (FindEndOfNumbering(pLine->GetFirstPortion())) + { + break; + } + } + } + } + } + } + + // delete underline font + delete GetInfo().GetUnderFnt(); + GetInfo().SetUnderFnt( nullptr ); + + // paint remaining stuff + if( bDrawInWindow ) + { + // If special vertical alignment is enabled, GetInfo().Y() is the + // top of the current line. Therefore is has to be adjusted for + // the painting of the remaining stuff. We first store the old value. + const SwTwips nOldY = GetInfo().Y(); + + if( !GetNextLine() && + GetInfo().GetVsh() && !GetInfo().GetVsh()->IsPreview() && + GetInfo().GetOpt().IsParagraph() && !GetTextFrame()->GetFollow() && + GetInfo().GetIdx() >= TextFrameIndex(GetInfo().GetText().getLength())) + { + bool bHasRedlineEnd( GetRedln() && m_pCurr->HasRedlineEnd() ); + RedlineType eRedlineEnd = bHasRedlineEnd ? m_pCurr->GetRedlineEndType() : RedlineType::None; + if( bHasRedlineEnd ) + { + TextFrameIndex nOffset = GetInfo().GetIdx(); + SeekStartAndChg( GetInfo(), true ); + std::pair<SwTextNode const*, sal_Int32> const pos( + GetTextFrame()->MapViewToModel(nOffset)); + GetRedln()->Seek(*m_pFont, pos.first->GetIndex(), pos.second, 0); + } + const SwTmpEndPortion aEnd( *pEndTempl, + bHasRedlineEnd && eRedlineEnd != RedlineType::Delete ? m_pFont->GetUnderline() : LINESTYLE_NONE, + bHasRedlineEnd && eRedlineEnd == RedlineType::Delete ? m_pFont->GetStrikeout() : STRIKEOUT_NONE, + bHasRedlineEnd ? m_pFont->GetColor() : COL_AUTO ); + GetFnt()->ChgPhysFnt( GetInfo().GetVsh(), *pOut ); + + if ( bAdjustBaseLine ) + GetInfo().Y( GetInfo().GetPos().Y() + + AdjustBaseLine( *m_pCurr, &aEnd ) ); + GetInfo().X( GetInfo().X() + + ( GetCurr()->IsHanging() ? GetCurr()->GetHangingMargin() : 0 ) ); + aEnd.Paint( GetInfo() ); + GetInfo().Y( nOldY ); + } + if( GetInfo().GetVsh() && !GetInfo().GetVsh()->IsPreview() ) + { + const bool bNextUndersized = + ( GetTextFrame()->GetNext() && + 0 == GetTextFrame()->GetNext()->getFramePrintArea().Height() && + GetTextFrame()->GetNext()->IsTextFrame() && + static_cast<SwTextFrame*>(GetTextFrame()->GetNext())->IsUndersized() ) ; + + if( bUnderSized || bNextUndersized ) + { + if ( bAdjustBaseLine ) + GetInfo().Y( GetInfo().GetPos().Y() + m_pCurr->GetAscent() ); + + // Left arrow (text overflowing) + if( pArrow ) + GetInfo().DrawRedArrow( *pArrow ); + + // GetInfo().Y() must be current baseline + SwTwips nDiff = GetInfo().Y() + nTmpHeight - nTmpAscent - GetTextFrame()->getFrameArea().Bottom(); + if( ( nDiff > 0 && + (GetEnd() < TextFrameIndex(GetInfo().GetText().getLength()) || + ( nDiff > nTmpHeight/2 && GetPrevLine() ) ) ) || + (nDiff >= 0 && bNextUndersized) ) + + { + // Right arrow (text overflowing) + SwArrowPortion aArrow( GetInfo() ); + GetInfo().DrawRedArrow( aArrow ); + } + + GetInfo().Y( nOldY ); + } + } + } + + if( m_pCurr->IsClipping() ) + rClip.ChgClip( rPaint, m_pFrame ); +} + +void SwTextPainter::CheckSpecialUnderline( const SwLinePortion* pPor, + tools::Long nAdjustBaseLine ) +{ + // Check if common underline should not be continued + if ( IsUnderlineBreak( *pPor, *m_pFont ) ) + { + // delete underline font + delete GetInfo().GetUnderFnt(); + GetInfo().SetUnderFnt( nullptr ); + return; + } + // Reuse calculated underline font as much as possible. + if (GetInfo().GetUnderFnt() && + GetInfo().GetIdx() + pPor->GetLen() <= GetInfo().GetUnderFnt()->GetEnd() + TextFrameIndex(1)) + { + SwFont &rFont = GetInfo().GetUnderFnt()->GetFont(); + const Color aColor = GetUnderColor( GetInfo().GetFont() ); + if ( GetUnderColor( &rFont ) != aColor ) + rFont.SetColor( aColor ); + return; + } + + // If current underline matches the common underline font, we continue + // to use the common underline font. + // Bug 120769:Color of underline display wrongly + if ( GetInfo().GetUnderFnt() && + GetInfo().GetUnderFnt()->GetFont().GetUnderline() == GetFnt()->GetUnderline() && + GetInfo().GetFont() && GetInfo().GetFont()->GetUnderColor() != COL_AUTO ) + return; + //Bug 120769(End) + + OSL_ENSURE( GetFnt() && LINESTYLE_NONE != GetFnt()->GetUnderline(), + "CheckSpecialUnderline without underlined font" ); + MultiSelection aUnderMulti( Range( 0, GetInfo().GetText().getLength() ) ); + const SwFont* pParaFnt = GetAttrHandler().GetFont(); + if( pParaFnt && pParaFnt->GetUnderline() == GetFnt()->GetUnderline() ) + aUnderMulti.SelectAll(); + + if (sw::MergedPara const*const pMerged = GetTextFrame()->GetMergedPara()) + { + // first, add the paragraph properties to MultiSelection - if there are + // Hints too, they will override the positions if they're added later + sal_Int32 nTmp(0); + for (auto const& e : pMerged->extents) + { + if (const SvxUnderlineItem* pItem = e.pNode->GetSwAttrSet().GetItemIfSet( + RES_CHRATR_UNDERLINE)) + { + const bool bUnderSelect(m_pFont->GetUnderline() == + pItem->GetLineStyle()); + aUnderMulti.Select(Range(nTmp, nTmp + e.nEnd - e.nStart - 1), + bUnderSelect); + } + nTmp += e.nEnd - e.nStart; + } + } + + SwTextNode const* pNode(nullptr); + sw::MergedAttrIter iter(*GetTextFrame()); + for (SwTextAttr const* pTextAttr = iter.NextAttr(&pNode); pTextAttr; + pTextAttr = iter.NextAttr(&pNode)) + { + SvxUnderlineItem const*const pItem = + CharFormat::GetItem(*pTextAttr, RES_CHRATR_UNDERLINE); + + if (pItem) + { + TextFrameIndex const nStart( + GetTextFrame()->MapModelToView(pNode, pTextAttr->GetStart())); + TextFrameIndex const nEnd( + GetTextFrame()->MapModelToView(pNode, *pTextAttr->End())); + if (nEnd > nStart) + { + const bool bUnderSelect = m_pFont->GetUnderline() == pItem->GetLineStyle(); + aUnderMulti.Select(Range(sal_Int32(nStart), sal_Int32(nEnd) - 1), + bUnderSelect); + } + } + } + + const TextFrameIndex nIndx = GetInfo().GetIdx(); + TextFrameIndex nUnderEnd(0); + const size_t nCnt = aUnderMulti.GetRangeCount(); + + // find the underline range the current portion is contained in + for( size_t i = 0; i < nCnt; ++i ) + { + const Range& rRange = aUnderMulti.GetRange( i ); + if (nUnderEnd == TextFrameIndex(rRange.Min())) + nUnderEnd = TextFrameIndex(rRange.Max()); + else if (nIndx >= TextFrameIndex(rRange.Min())) + { + nUnderEnd = TextFrameIndex(rRange.Max()); + } + else + break; + } + + if ( GetEnd() && GetEnd() <= nUnderEnd ) + nUnderEnd = GetEnd() - TextFrameIndex(1); + + // calculate the new common underline font + SwFont* pUnderlineFnt = nullptr; + Point aCommonBaseLine; + + // check, if underlining is not isolated + if (nIndx + GetInfo().GetLen() < nUnderEnd + TextFrameIndex(1)) + { + // here starts the algorithm for calculating the underline font + SwScriptInfo& rScriptInfo = GetInfo().GetParaPortion()->GetScriptInfo(); + SwAttrIter aIter(*GetInfo().GetTextFrame()->GetTextNodeFirst(), + rScriptInfo, GetTextFrame()); + + TextFrameIndex nTmpIdx = nIndx; + sal_uLong nSumWidth = 0; + sal_uLong nSumHeight = 0; + sal_uLong nBold = 0; + sal_uInt16 nMaxBaseLineOfst = 0; + int nNumberOfPortions = 0; + + while (nTmpIdx <= nUnderEnd && pPor) + { + if ( pPor->IsFlyPortion() || pPor->IsFlyCntPortion() || + pPor->IsBreakPortion() || pPor->IsMarginPortion() || + pPor->IsHolePortion() || + ( pPor->IsMultiPortion() && ! static_cast<const SwMultiPortion*>(pPor)->IsBidi() ) ) + break; + + aIter.Seek( nTmpIdx ); + if ( aIter.GetFnt()->GetEscapement() < 0 || m_pFont->IsWordLineMode() || + SvxCaseMap::SmallCaps == m_pFont->GetCaseMap() ) + break; + + if ( !aIter.GetFnt()->GetEscapement() ) + { + nSumWidth += pPor->Width(); + const sal_uLong nFontHeight = aIter.GetFnt()->GetHeight(); + + // If we do not have a common baseline we take the baseline + // and the font of the lowest portion. + if ( nAdjustBaseLine ) + { + const sal_uInt16 nTmpBaseLineOfst = AdjustBaseLine( *m_pCurr, pPor ); + if ( nMaxBaseLineOfst < nTmpBaseLineOfst ) + { + nMaxBaseLineOfst = nTmpBaseLineOfst; + nSumHeight = nFontHeight; + } + } + // in horizontal layout we build a weighted sum of the heights + else + nSumHeight += pPor->Width() * nFontHeight; + + if ( WEIGHT_NORMAL != aIter.GetFnt()->GetWeight() ) + nBold += pPor->Width(); + } + + ++nNumberOfPortions; + + nTmpIdx += pPor->GetLen(); + pPor = pPor->GetNextPortion(); + } + + // resulting height + if ( nNumberOfPortions > 1 && nSumWidth ) + { + const sal_uLong nNewFontHeight = nAdjustBaseLine ? + nSumHeight : + nSumHeight / nSumWidth; + + pUnderlineFnt = new SwFont( *GetInfo().GetFont() ); + + // font height + const SwFontScript nActual = pUnderlineFnt->GetActual(); + pUnderlineFnt->SetSize( Size( pUnderlineFnt->GetSize( nActual ).Width(), + nNewFontHeight ), nActual ); + + // font weight + if ( 2 * nBold > nSumWidth ) + pUnderlineFnt->SetWeight( WEIGHT_BOLD, nActual ); + else + pUnderlineFnt->SetWeight( WEIGHT_NORMAL, nActual ); + + // common base line + aCommonBaseLine.setY( nAdjustBaseLine + nMaxBaseLineOfst ); + } + } + + // an escaped redlined portion should also have a special underlining + if( ! pUnderlineFnt && m_pFont->GetEscapement() > 0 && GetRedln() && + GetRedln()->ChkSpecialUnderline() ) + pUnderlineFnt = new SwFont( *m_pFont ); + + delete GetInfo().GetUnderFnt(); + + if ( pUnderlineFnt ) + { + pUnderlineFnt->SetProportion( 100 ); + pUnderlineFnt->SetEscapement( 0 ); + pUnderlineFnt->SetStrikeout( STRIKEOUT_NONE ); + pUnderlineFnt->SetOverline( LINESTYLE_NONE ); + const Color aFillColor( COL_TRANSPARENT ); + pUnderlineFnt->SetFillColor( aFillColor ); + + GetInfo().SetUnderFnt( new SwUnderlineFont( *pUnderlineFnt, nUnderEnd, + aCommonBaseLine ) ); + } + else + // I'm sorry, we do not have a special underlining font for you. + GetInfo().SetUnderFnt( nullptr ); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |