1
0
Fork 0
libreoffice/sw/source/core/text/itrpaint.cxx
Daniel Baumann 8e63e14cf6
Adding upstream version 4:25.2.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 16:20:04 +02:00

828 lines
32 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 <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 "porfly.hxx"
#include "portab.hxx"
#include <txatbase.hxx>
#include <charfmt.hxx>
#include "redlnitr.hxx"
#include "porrst.hxx"
#include "pormulti.hxx"
#include <doc.hxx>
#include <fmturl.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)
{
// 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->GetExtraAscent(), m_pCurr->GetExtraDescent());
}
#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, 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->GetExtraAscent(), m_pCurr->GetExtraDescent());
}
// 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 );
if (GetFnt()->IsURL() && pPor->InTextGrp())
GetInfo().NotifyURL(*pPor);
else if (pPor->IsFlyCntPortion())
{
if (auto* pFlyContentPortion = dynamic_cast<sw::FlyContentPortion*>(pPor))
{
if (auto* pFlyFrame = pFlyContentPortion->GetFlyFrame())
{
if (auto* pFormat = pFlyFrame->GetFormat())
{
auto& url = pFormat->GetURL();
if (!url.GetURL().isEmpty()) // TODO: url.GetMap() ?
GetInfo().NotifyURL(*pPor);
}
}
}
}
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, e.g. the line ending symbols, pilcrow (¶) and the line break
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() +
// tdf#163042 In the case of shrunk lines with a single portion, adjust
// the line width (if needed, i.e. if the shrunk line doesn't end in a space)
// to show the terminating pilcrow at the correct position, and not before that
( ( !( pEndTempl->GetNextPortion() && pEndTempl->GetNextPortion()->IsHolePortion() ) &&
std::abs( m_pCurr->Width() - m_pCurr->GetFirstPortion()->Width() ) <= 1 && m_pCurr->ExtraShrunkWidth() > 0 )
? m_pCurr->ExtraShrunkWidth() - m_pCurr->Width() : 0 ) +
( 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: */