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/*************************************************************************
*
* $RCSfile: itrform2.hxx,v $
*
* $Revision: 1.11 $
*
* last change: $Author: fme $ $Date: 2002-02-08 13:42:08 $
*
* 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): _______________________________________
*
*
************************************************************************/
#ifndef _ITRFORM2_HXX
#define _ITRFORM2_HXX
#include "itrpaint.hxx"
class SwFlyCntPortion;
class SwInterHyphInfo;
class SwDropPortion;
class SwFmtDrop;
class SwDrawObjs;
class SwTxtAttr;
class SwNumberPortion;
class SwErgoSumPortion;
class SwExpandPortion;
class SwMultiPortion;
class SvLongs;
/*************************************************************************
* class SwTxtFormatter
*************************************************************************/
class SwTxtFormatter : public SwTxtPainter
{
const SwFmtDrop *pDropFmt;
SwMultiPortion* pMulti; // during formatting a multi-portion
sal_uInt8 nCntEndHyph; // zaehlt aufeinanderfolgende Hyphens am Zeilenende
sal_uInt8 nCntMidHyph; // zaehlt aufeinanderfolgende Hyphens vor Flies
xub_StrLen nLeftScanIdx; // for increasing performance during
xub_StrLen nRightScanIdx; // scanning for portion ends
sal_Bool bOnceMore : 1; // noch 'ne Runde?
sal_Bool bFlyInCntBase : 1; // Base-Referenz der zeichengeb. Rahmen setzen
sal_Bool bChanges : 1; // Flag, fuer die Berechnung des Repaint-Rechtecks
sal_Bool bTruncLines : 1; // Flag, Repaint-Rechtecks ggf. erweitern
sal_Bool bUnclipped : 1; // Flag, ob Repaint groesser als feste Zeilenhoehe
SwLinePortion *NewPortion( SwTxtFormatInfo &rInf );
SwTxtPortion *NewTxtPortion( SwTxtFormatInfo &rInf );
SwLinePortion *NewExtraPortion( SwTxtFormatInfo &rInf );
SwTabPortion *NewTabPortion( SwTxtFormatInfo &rInf ) const;
SwNumberPortion *NewNumberPortion( SwTxtFormatInfo &rInf ) const;
SwDropPortion *NewDropPortion( SwTxtFormatInfo &rInf );
SwNumberPortion *NewFtnNumPortion( SwTxtFormatInfo &rInf ) const;
SwErgoSumPortion *NewErgoSumPortion( SwTxtFormatInfo &rInf ) const;
SwExpandPortion *NewFldPortion( SwTxtFormatInfo &rInf,
const SwTxtAttr *pHt ) const;
SwFtnPortion *NewFtnPortion( SwTxtFormatInfo &rInf, SwTxtAttr *pHt );
SwFlyCntPortion *NewFlyCntPortion( SwTxtFormatInfo &rInf,
SwTxtAttr *pHt ) const;
SwLinePortion *WhichFirstPortion( SwTxtFormatInfo &rInf );
SwTxtPortion *WhichTxtPor( SwTxtFormatInfo &rInf ) const;
// Das Herzstueck der Formatierung
void BuildPortions( SwTxtFormatInfo &rInf );
BOOL BuildMultiPortion( SwTxtFormatInfo &rInf, SwMultiPortion& rMulti );
// Berechnung des emulierten rechten Rands
void CalcFlyWidth( SwTxtFormatInfo &rInf );
// wird von SwTxtFormatter wegen UpdatePos ueberladen
void CalcAdjustLine( SwLineLayout *pCurr );
// consideres line spacing attributes
void CalcRealHeight( sal_Bool bNewLine = sal_False );
// uebertraegt die Daten nach rInf
void FeedInf( SwTxtFormatInfo &rInf ) const;
// behandelt die Unterlaufsituationen
SwLinePortion *UnderFlow( SwTxtFormatInfo &rInf );
// errechnet den Ascent und die Hoehe aus der Fontmetric
void CalcAscent( SwTxtFormatInfo &rInf, SwLinePortion *pPor );
// determines, if a optimized repaint rectange is allowed
sal_Bool AllowRepaintOpt() const;
// calculates and sets the optimized repaint offset
long CalcOptRepaint( xub_StrLen nOldLineEnd, const SvLongs* pFlyStart );
// wird von FormatLine gerufen.
void FormatReset( SwTxtFormatInfo &rInf );
// durch das Adjustment aendert sich die Position der Portions
void UpdatePos( SwLineLayout *pCurr, Point aStart, xub_StrLen nStartIdx,
sal_Bool bAllWays = sal_False ) const;
// Setze alle FlyInCntFrms auf die uebergebene BaseLine
void AlignFlyInCntBase( long nBaseLine ) const;
// Unterlaufbedingungen bei Flys
sal_Bool ChkFlyUnderflow( SwTxtFormatInfo &rInf ) const;
// Portion einfuegen.
void InsertPortion( SwTxtFormatInfo &rInf, SwLinePortion *pPor ) const;
// schaetzt die Hoehe fuer die DropPortion
void GuessDropHeight( const MSHORT nLines );
public:
// errechnet die Hoehe fuer die DropPortion
void CalcDropHeight( const MSHORT nLines );
// errechnet den Bottom des Absatzes, beruecksichtigt an diesem verankerte
// Objekte mit Umlauf 1. Absatz.
SwTwips CalcBottomLine() const;
// Beruecksichtigt zeichengebundene Objekte bei der Repaintrechteck-
// berechnung in Zeilen mit fester Zeilenhoehe
void CalcUnclipped( SwTwips& rTop, SwTwips& rBottom );
// u.a. fuer DropCaps
sal_Bool CalcOnceMore();
void CtorInit( SwTxtFrm *pFrm, SwTxtFormatInfo *pInf );
inline SwTxtFormatter( SwTxtFrm *pFrm, SwTxtFormatInfo *pInf )
{ CtorInit( pFrm, pInf ); }
~SwTxtFormatter();
xub_StrLen FormatLine( const xub_StrLen nStart );
void RecalcRealHeight();
// Wir formatieren eine Zeile fuer die interaktive Trennung
sal_Bool Hyphenate( SwInterHyphInfo &rInf );
// Spezialmethode fuer QuoVadis-Texte
// nErgo ist die Seitennummer der ErgoSum-Ftn
// Bei 0 ist es noch unklar.
xub_StrLen FormatQuoVadis( const xub_StrLen nStart );
// Die Notbremse: Formatierung abbrechen, Zeile verwerfen.
inline sal_Bool IsStop() const { return GetInfo().IsStop(); }
// Das Gegenstueck: Formatierung unbedingt fortsetzen.
inline sal_Bool IsNewLine() const { return GetInfo().IsNewLine(); }
// FormatQuick(); auffrischen von Formatinformationen
inline sal_Bool IsQuick() const { return GetInfo().IsQuick(); }
// erzeugt ggfs. ein SwLineLayout, dass Ftn/Fly--Oszillation unterbindet.
void MakeDummyLine();
// SwTxtIter-Funktionalitaet
void Insert( SwLineLayout *pLine );
// die noch verbleibende Hoehe bis zum Seitenrand
KSHORT GetFrmRstHeight() const;
// Wie breit waerest Du ohne rechte Begrenzungen (Flys etc.)?
KSHORT _CalcFitToContent( );
SwLinePortion* MakeRestPortion(const SwLineLayout* pLine, xub_StrLen nPos);
inline const SwFmtDrop *GetDropFmt() const { return pDropFmt; }
inline void ClearDropFmt() { pDropFmt = 0; }
inline SwMultiPortion *GetMulti() const { return pMulti; }
inline const sal_Bool IsOnceMore() const { return bOnceMore; }
inline void SetOnceMore( sal_Bool bNew ) { bOnceMore = bNew; }
inline const sal_Bool HasChanges() const { return bChanges; }
inline void SetChanges() { bChanges = sal_True; }
inline const sal_Bool HasTruncLines() const { return bTruncLines; }
inline void SetTruncLines( sal_Bool bNew ) { bTruncLines = bNew; }
inline const sal_Bool IsUnclipped() const { return bUnclipped; }
inline void SetUnclipped( sal_Bool bNew ) { bUnclipped = bNew; }
inline const sal_Bool IsFlyInCntBase() const { return bFlyInCntBase; }
inline void SetFlyInCntBase( sal_Bool bNew = sal_True ){ bFlyInCntBase = bNew; }
inline SwTxtFormatInfo &GetInfo()
{ return (SwTxtFormatInfo&)SwTxtIter::GetInfo(); }
inline const SwTxtFormatInfo &GetInfo() const
{ return (const SwTxtFormatInfo&)SwTxtIter::GetInfo(); }
inline void InitCntHyph() { CntHyphens( nCntEndHyph, nCntMidHyph ); }
inline const sal_uInt8 &CntEndHyph() const { return nCntEndHyph; }
inline const sal_uInt8 &CntMidHyph() const { return nCntMidHyph; }
inline sal_uInt8 &CntEndHyph() { return nCntEndHyph; }
inline sal_uInt8 &CntMidHyph() { return nCntMidHyph; }
};
#endif
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