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libreoffice/sw/source/core/text/itrpaint.cxx

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/*************************************************************************
*
* $RCSfile: itrpaint.cxx,v $
*
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* $Revision: 1.13 $
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*
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* last change: $Author: fme $ $Date: 2001-08-31 06:19:23 $
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*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (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.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
#ifdef PRECOMPILED
#include "core_pch.hxx"
#endif
#pragma hdrstop
#include "hintids.hxx"
#include "flyfrm.hxx" // SwFlyInCntFrm
#include "viewopt.hxx" // SwViewOptions
#include "errhdl.hxx"
#include "txtatr.hxx" // SwINetFmt
#ifndef _SV_MULTISEL_HXX //autogen
#include <tools/multisel.hxx>
#endif
#ifndef _SVX_ESCPITEM_HXX //autogen
#include <svx/escpitem.hxx>
#endif
#ifndef _SVX_UDLNITEM_HXX //autogen
#include <svx/udlnitem.hxx>
#endif
#ifndef _SVX_LRSPITEM_HXX //autogen
#include <svx/lrspitem.hxx>
#endif
#ifndef _TXTINET_HXX //autogen
#include <txtinet.hxx>
#endif
#ifndef _FCHRFMT_HXX //autogen
#include <fchrfmt.hxx>
#endif
#ifndef _FRMATR_HXX
#include <frmatr.hxx>
#endif
#include "flyfrms.hxx"
#include "viewsh.hxx"
#include "txtcfg.hxx"
#include "itrpaint.hxx"
#include "txtfrm.hxx" // pFrm
#include "txtfly.hxx"
#include "swfont.hxx"
#include "txtpaint.hxx"
#include "portab.hxx" // SwTabPortion::IsFilled
#include "porfly.hxx" // SwFlyCntPortion
#include "porfld.hxx" // SwGrfNumPortion
#include "frmfmt.hxx" // LRSpace
#include "txatbase.hxx" // SwTxtAttr
#include "charfmt.hxx" // SwFmtCharFmt
#include "redlnitr.hxx" // SwRedlineItr
#include "porrst.hxx" // SwArrowPortion
/*************************************************************************
* SwTxtPainter::CtorInit()
*************************************************************************/
void SwTxtPainter::CtorInit( SwTxtFrm *pFrm, SwTxtPaintInfo *pNewInf )
{
SwTxtCursor::CtorInit( pFrm, pNewInf );
pInf = pNewInf;
SwFont *pFnt = GetFnt();
GetInfo().SetFont( pFnt );
#ifndef PRODUCT
if( ALIGN_BASELINE != pFnt->GetAlign() )
{
ASSERT( ALIGN_BASELINE == pFnt->GetAlign(),
"+SwTxtPainter::CTOR: font alignment revolution" );
pFnt->SetAlign( ALIGN_BASELINE );
}
#endif
bPaintDrop = sal_False;
}
/*************************************************************************
* SwTxtPainter::CalcPaintOfst()
*************************************************************************/
SwLinePortion *SwTxtPainter::CalcPaintOfst( const SwRect &rPaint )
{
SwLinePortion *pPor = pCurr->GetFirstPortion();
GetInfo().SetPaintOfst( 0 );
SwTwips nPaintOfst = rPaint.Left();
// nPaintOfst wurde exakt auf das Ende eingestellt, deswegen <=
// nPaintOfst ist dokumentglobal, deswegen nLeftMar aufaddieren
// const KSHORT nLeftMar = KSHORT(GetLeftMargin());
// 8310: painten von LineBreaks in leeren Zeilen.
if( nPaintOfst && pCurr->Width() )
{
SwLinePortion *pLast = 0;
// 7529 und 4757: nicht <= nPaintOfst
while( pPor && GetInfo().X() + pPor->Width() + (pPor->Height()/2)
< nPaintOfst )
{
DBG_LOOP;
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if( pPor->InSpaceGrp() && GetInfo().GetSpaceAdd() )
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{
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long nTmp = GetInfo().X() +pPor->Width() +
pPor->CalcSpacing( GetInfo().GetSpaceAdd(), GetInfo() );
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if( nTmp + (pPor->Height()/2) >= nPaintOfst )
break;
GetInfo().X( nTmp );
GetInfo().SetIdx( GetInfo().GetIdx() + pPor->GetLen() );
}
else
pPor->Move( GetInfo() );
pLast = pPor;
pPor = pPor->GetPortion();
}
#ifndef USED
// 7529: bei PostIts auch pLast returnen.
if( pLast && !pLast->Width() && pLast->IsPostItsPortion() )
{
pPor = pLast;
GetInfo().SetIdx( GetInfo().GetIdx() - pPor->GetLen() );
}
#endif
}
return pPor;
}
/*************************************************************************
* SwTxtPainter::DrawTextLine()
*
* Es gibt zwei Moeglichkeiten bei transparenten Font auszugeben:
* 1) DrawRect auf die ganze Zeile und die DrawText hinterher
* (objektiv schnell, subjektiv langsam).
* 2) Fuer jede Portion ein DrawRect mit anschliessendem DrawText
* ausgefuehrt (objektiv langsam, subjektiv schnell).
* Da der User in der Regel subjektiv urteilt, wird die 2. Methode
* als Default eingestellt.
*************************************************************************/
void SwTxtPainter::DrawTextLine( const SwRect &rPaint, SwSaveClip &rClip,
const sal_Bool bUnderSz )
{
// Adjustierung ggf. nachholen
GetAdjusted();
GetInfo().SetSpaceAdd( pCurr->GetpSpaceAdd() );
GetInfo().ResetSpaceIdx();
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GetInfo().SetKanaComp( pCurr->GetpKanaComp() );
GetInfo().ResetKanaIdx();
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// Die Groesse des Frames
GetInfo().SetIdx( GetStart() );
GetInfo().SetPos( GetTopLeft() );
const sal_Bool bDrawInWindow = GetInfo().OnWin();
// 6882: Leerzeilen duerfen nicht wegoptimiert werden bei Paragraphzeichen.
const sal_Bool bEndPor = GetInfo().GetOpt().IsParagraph() && !GetInfo().GetTxt().Len();
SwLinePortion *pPor = bEndPor ? pCurr->GetFirstPortion() : CalcPaintOfst( rPaint );
// Optimierung!
const SwTwips nMaxRight = Min( rPaint.Right(), Right() );
const SwTwips nTmpLeft = GetInfo().X();
if( !bEndPor && nTmpLeft >= nMaxRight )
return;
// DropCaps!
// 7538: natuerlich auch auf dem Drucker
if( !bPaintDrop )
{
// 8084: Optimierung, weniger Painten.
// AMA: Durch 8084 wurde 7538 wiederbelebt!
// bDrawInWindow entfernt, damit DropCaps auch gedruckt werden
bPaintDrop = pPor == pCurr->GetFirstPortion()
&& GetDropLines() >= GetLineNr();
}
KSHORT nTmpHeight, nTmpAscent;
CalcAscentAndHeight( nTmpAscent, nTmpHeight );
// bClip entscheidet darueber, ob geclippt werden muss.
// Das Ganze muss vor der Retusche stehen
sal_Bool bClip = ( bDrawInWindow || bUnderSz ) && !rClip.IsChg();
if( bClip && pPor )
{
// Wenn TopLeft oder BottomLeft der Line ausserhalb liegen,
// muss geclippt werden. Die Ueberpruefung auf Right() erfolgt
// in der folgenden Ausgabeschleife...
if( GetInfo().GetPos().X() < rPaint.Left() ||
GetInfo().GetPos().Y() < rPaint.Top() ||
GetInfo().GetPos().Y() + nTmpHeight > rPaint.Top() + rPaint.Height() )
{
bClip = sal_False;
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#ifdef VERTICAL_LAYOUT
rClip.ChgClip( rPaint, pFrm );
#else
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rClip.ChgClip( rPaint );
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#endif
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}
#ifdef DEBUG
static sal_Bool bClipAlways = sal_False;
if( bClip && bClipAlways )
{ bClip = sal_False;
rClip.ChgClip( rPaint );
}
#endif
}
// Alignment:
sal_Bool bPlus = sal_False;
OutputDevice *pOut = GetInfo().GetOut();
Point aPnt1( nTmpLeft, GetInfo().GetPos().Y() );
if ( aPnt1.X() < rPaint.Left() )
aPnt1.X() = rPaint.Left();
if ( aPnt1.Y() < rPaint.Top() )
aPnt1.Y() = rPaint.Top();
Point aPnt2( GetInfo().GetPos().X() + nMaxRight - GetInfo().X(),
GetInfo().GetPos().Y() + nTmpHeight );
if ( aPnt2.X() > rPaint.Right() )
aPnt2.X() = rPaint.Right();
if ( aPnt2.Y() > rPaint.Bottom() )
{
aPnt2.Y() = rPaint.Bottom();
bPlus = sal_True;
}
const SwRect aLineRect( aPnt1, aPnt2 );
if( pCurr->IsClipping() )
{
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#ifdef VERTICAL_LAYOUT
rClip.ChgClip( aLineRect, pFrm );
#else
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rClip.ChgClip( aLineRect );
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#endif
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bClip = sal_False;
}
if( !pPor && !bEndPor )
{
#ifdef DBGTXT
aDbstream << "PAINTER: done nothing" << endl;
#endif
return;
}
// Baseline-Ausgabe auch bei nicht-TxtPortions (vgl. TabPor mit Fill)
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// if no special vertical alignment is used,
// we calculate Y value for the whole line
if ( ! GetLineInfo().HasSpecialAlign() )
GetInfo().Y( GetInfo().GetPos().Y() + nTmpAscent );
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// 7529: PostIts prepainten
if( GetInfo().OnWin() && pPor && !pPor->Width() )
{
SeekAndChg( GetInfo() );
if( GetLineInfo().HasSpecialAlign() )
{
const SwTwips nOldY = GetInfo().Y();
GetInfo().Y( GetInfo().GetPos().Y() + AdjustBaseLine( *pCurr,
GetInfo().GetFont()->GetHeight( GetInfo().GetVsh(), pOut ),
GetInfo().GetFont()->GetAscent( GetInfo().GetVsh(), pOut )
) );
pPor->PrePaint( GetInfo(), pPor );
GetInfo().Y( nOldY );
}
else
pPor->PrePaint( GetInfo(), pPor );
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}
// 7923: EndPortions geben auch Zeichen aus, deswegen den Fnt wechseln!
if( bEndPor )
SeekStartAndChg( GetInfo() );
sal_Bool bRest = pCurr->IsRest();
sal_Bool bFirst = sal_True;
SwArrowPortion *pArrow = NULL;
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// Reference portion for the paragraph end portion
SwLinePortion* pEndTempl = pCurr->GetFirstPortion();
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while( pPor )
{
DBG_LOOP;
sal_Bool bSeeked = sal_True;
GetInfo().SetLen( pPor->GetLen() );
GetInfo().SetSpecialUnderline( sal_False );
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const SwTwips nOldY = GetInfo().Y();
if ( GetLineInfo().HasSpecialAlign() )
{
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GetInfo().Y( GetInfo().GetPos().Y() + AdjustBaseLine( *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->InTxtGrp() )
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pEndTempl = pPor;
}
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// Ein Sonderfall sind GluePortions, die Blanks ausgeben.
// 6168: Der Rest einer FldPortion zog sich die Attribute der naechsten
// Portion an, dies wird durch SeekAndChgBefore vermieden:
if( ( bRest && pPor->InFldGrp() && !pPor->GetLen() ) )
SeekAndChgBefore( GetInfo() );
else if ( pPor->IsQuoVadisPortion() )
{
xub_StrLen nOffset = GetInfo().GetIdx();
SeekStartAndChg( GetInfo(), sal_True );
if( GetRedln() && pCurr->HasRedline() )
GetRedln()->Seek( *pFnt, nOffset, 0 );
}
else if( pPor->InTxtGrp() || pPor->InFldGrp() || pPor->InTabGrp() )
SeekAndChg( GetInfo() );
else if ( !bFirst && pPor->IsBreakPortion() && GetInfo().GetOpt().IsParagraph() )
{
// Paragraphzeichen sollten den gleichen Font wie das Zeichen vor
// haben, es sei denn, es gibt Redlining in dem Absatz.
if( GetRedln() )
SeekAndChg( GetInfo() );
else
SeekAndChgBefore( GetInfo() );
}
else
bSeeked = sal_False;
// bRest = sal_False;
// Wenn das Ende der Portion hinausragt, wird geclippt.
// Es wird ein Sicherheitsabstand von Height-Halbe aufaddiert,
// damit die TTF-"f" nicht im Seitenrand haengen...
if( bClip &&
GetInfo().X() + pPor->Width() + ( pPor->Height() / 2 ) > nMaxRight )
{
bClip = sal_False;
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#ifdef VERTICAL_LAYOUT
rClip.ChgClip( rPaint, pFrm );
#else
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rClip.ChgClip( rPaint );
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#endif
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}
// Portions, die "unter" dem Text liegen wie PostIts
SwLinePortion *pNext = pPor->GetPortion();
if(GetInfo().OnWin() && pNext && !pNext->Width() )
{
// Fix 11289: Felder waren hier ausgeklammert wg. Last!=Owner beim
// Laden von Brief.sdw. Jetzt sind die Felder wieder zugelassen,
// durch bSeeked wird Last!=Owner vermieden.
if ( !bSeeked )
SeekAndChg( GetInfo() );
pNext->PrePaint( GetInfo(), pPor );
}
if( pFnt->GetEscapement() && UNDERLINE_NONE != pFnt->GetUnderline() )
CheckSpecialUnderline();
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if( pPor->IsMultiPortion() )
PaintMultiPortion( rPaint, (SwMultiPortion&)*pPor );
else
pPor->Paint( GetInfo() );
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// reset (for special vertical alignment)
GetInfo().Y( nOldY );
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if( GetFnt()->IsURL() && pPor->InTxtGrp() )
GetInfo().NotifyURL( *pPor );
bFirst &= !pPor->GetLen();
if( pNext || !pPor->IsMarginPortion() )
pPor->Move( GetInfo() );
if( pPor->IsArrowPortion() && GetInfo().OnWin() && !pArrow )
pArrow = (SwArrowPortion*)pPor;
pPor = !bDrawInWindow && GetInfo().X() > nMaxRight ? 0 : pNext;
}
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// paint remaining stuff
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if( bDrawInWindow )
{
if( !GetNextLine() &&
GetInfo().GetVsh() && !GetInfo().GetVsh()->IsPreView() &&
GetInfo().GetOpt().IsParagraph() && !GetTxtFrm()->GetFollow() &&
GetInfo().GetIdx() >= GetInfo().GetTxt().Len() )
{
// if special vertical alignment is enabled, we take the last
// portion as a reference for the adjustment of the paragraph
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// end symbol, otherwise we take the line layout portion
const SwTmpEndPortion aEnd( *pEndTempl );
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if ( GetLineInfo().HasSpecialAlign() )
{
const SwTwips nOldY = GetInfo().Y();
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GetInfo().Y( GetInfo().GetPos().Y()
+ AdjustBaseLine( *pCurr, aEnd ) );
aEnd.Paint( GetInfo() );
GetInfo().Y( nOldY );
}
else
aEnd.Paint( GetInfo() );
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}
if( bUnderSz )
{
if( GetInfo().GetVsh() && !GetInfo().GetVsh()->IsPreView() )
{
if( pArrow )
pArrow->PaintIt( pOut );
if( !GetTxtFrm()->GetFollow() && ! GetTxtFrm()->GetNext() )
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{
SwTwips nDiff = GetInfo().Y() + nTmpHeight - nTmpAscent - GetTxtFrm()->Frm().Bottom();
if( nDiff > 0 && ( GetEnd() < GetInfo().GetTxt().Len() ||
( nDiff > nTmpHeight/2 && GetPrevLine() ) ) )
{
SwArrowPortion aArrow( GetInfo() );
aArrow.PaintIt( pOut );
}
}
}
}
}
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if( pCurr->IsClipping() )
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#ifdef VERTICAL_LAYOUT
rClip.ChgClip( rPaint, pFrm );
#else
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rClip.ChgClip( rPaint );
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#endif
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}
void SwTxtPainter::CheckSpecialUnderline()
{
sal_Bool bSpecial = sal_False;
if( HasHints() )
{
sal_Bool bINet = sal_False;
MSHORT nTmp = 0;
Range aRange( 0, GetInfo().GetTxt().Len() );
MultiSelection aUnderMulti( aRange );
if( bUnderPara )
aUnderMulti.SelectAll();
MultiSelection aEscMulti( aRange );
if( bEscPara )
aEscMulti.SelectAll();
SwTxtAttr* pTxtAttr;
sal_Bool bUnder = sal_False;
sal_Bool bEsc = sal_False;
while( nTmp < pHints->GetStartCount() )
{
pTxtAttr = pHints->GetStart( nTmp++ );
sal_Bool bUnderSelect;
sal_Bool bEscSelect;
switch ( pTxtAttr->Which() )
{
case RES_CHRATR_UNDERLINE:
{
bUnder = sal_True;
bUnderSelect = UNDERLINE_NONE != pTxtAttr->GetUnderline().
GetUnderline();
}
break;
case RES_CHRATR_ESCAPEMENT:
{
bEsc = sal_True;
bEscSelect = 0 != pTxtAttr->GetEscapement().GetEsc();
}
break;
case RES_TXTATR_FTN:
{
xub_StrLen nStrt = *pTxtAttr->GetStart();
Range aRg( nStrt, nStrt + 1 );
aEscMulti.Select( aRg );
}
break;
case RES_TXTATR_INETFMT: bINet = sal_True;
case RES_TXTATR_CHARFMT:
{
SwCharFmt* pFmt;
const SfxPoolItem* pItem;
if( bINet )
{
pFmt = ((SwTxtINetFmt*)pTxtAttr)->GetCharFmt();
bINet = sal_False;
}
else
pFmt = pTxtAttr->GetCharFmt().GetCharFmt();
if ( pFmt )
{
if( SFX_ITEM_SET == pFmt->GetAttrSet().
GetItemState( RES_CHRATR_ESCAPEMENT, sal_True, &pItem) )
{
bEscSelect = 0 !=
((SvxEscapementItem *)pItem)->GetEsc();
bEsc = sal_True;
}
if( SFX_ITEM_SET == pFmt->GetAttrSet().
GetItemState( RES_CHRATR_UNDERLINE, sal_True, &pItem ) )
{
bUnderSelect = UNDERLINE_NONE !=
((SvxUnderlineItem*)pItem)->GetUnderline();
bUnder = sal_True;
}
}
}
break;
}
if( bUnder || bEsc )
{
xub_StrLen nSt = *pTxtAttr->GetStart();
xub_StrLen nEnd = *pTxtAttr->GetEnd();
if( nEnd > nSt )
{
Range aTmp( nSt, nEnd - 1 );
if( bUnder )
aUnderMulti.Select( aTmp, bUnderSelect );
if( bEsc )
aEscMulti.Select( aTmp, bEscSelect );
}
bUnder = sal_False;
bEsc = sal_False;
}
}
MSHORT i;
xub_StrLen nEscStart = 0;
xub_StrLen nEscEnd = 0;
xub_StrLen nIndx = GetInfo().GetIdx();
MSHORT nCnt = (MSHORT)aEscMulti.GetRangeCount();
for( i = 0; i < nCnt; ++i )
{
const Range& rRange = aEscMulti.GetRange( i );
if( nEscEnd == rRange.Min() )
nEscEnd = rRange.Max();
else if( nIndx >= rRange.Min() )
{
nEscStart = rRange.Min();
nEscEnd = rRange.Max();
}
else
break;
}
xub_StrLen nUnderStart = 0;
xub_StrLen nUnderEnd = 0;
nCnt = (MSHORT)aUnderMulti.GetRangeCount();
for( i = 0; i < nCnt; ++i )
{
const Range& rRange = aUnderMulti.GetRange( i );
if( nUnderEnd == rRange.Min() )
nUnderEnd = rRange.Max();
else if( nIndx >= rRange.Min() )
{
nUnderStart = rRange.Min();
nUnderEnd = rRange.Max();
}
else
break;
}
bSpecial = nEscStart > nUnderStart || nEscEnd < nUnderEnd;
}
if( bSpecial || ( GetRedln() && GetRedln()->ChkSpecialUnderline() ) )
GetInfo().SetSpecialUnderline( sal_True );
}