1*1d2dbeb0SAndrew Rist /************************************************************** 2cdf0e10cSrcweir * 3*1d2dbeb0SAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one 4*1d2dbeb0SAndrew Rist * or more contributor license agreements. See the NOTICE file 5*1d2dbeb0SAndrew Rist * distributed with this work for additional information 6*1d2dbeb0SAndrew Rist * regarding copyright ownership. The ASF licenses this file 7*1d2dbeb0SAndrew Rist * to you under the Apache License, Version 2.0 (the 8*1d2dbeb0SAndrew Rist * "License"); you may not use this file except in compliance 9*1d2dbeb0SAndrew Rist * with the License. You may obtain a copy of the License at 10cdf0e10cSrcweir * 11*1d2dbeb0SAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0 12cdf0e10cSrcweir * 13*1d2dbeb0SAndrew Rist * Unless required by applicable law or agreed to in writing, 14*1d2dbeb0SAndrew Rist * software distributed under the License is distributed on an 15*1d2dbeb0SAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*1d2dbeb0SAndrew Rist * KIND, either express or implied. See the License for the 17*1d2dbeb0SAndrew Rist * specific language governing permissions and limitations 18*1d2dbeb0SAndrew Rist * under the License. 19cdf0e10cSrcweir * 20*1d2dbeb0SAndrew Rist *************************************************************/ 21*1d2dbeb0SAndrew Rist 22*1d2dbeb0SAndrew Rist 23cdf0e10cSrcweir #ifndef _ITRFORM2_HXX 24cdf0e10cSrcweir #define _ITRFORM2_HXX 25cdf0e10cSrcweir #include "itrpaint.hxx" 26cdf0e10cSrcweir 27cdf0e10cSrcweir class SwFlyCntPortion; 28cdf0e10cSrcweir class SwInterHyphInfo; 29cdf0e10cSrcweir class SwDropPortion; 30cdf0e10cSrcweir class SwFmtDrop; 31cdf0e10cSrcweir class SwTxtAttr; 32cdf0e10cSrcweir class SwNumberPortion; 33cdf0e10cSrcweir class SwErgoSumPortion; 34cdf0e10cSrcweir class SwExpandPortion; 35cdf0e10cSrcweir class SwMultiPortion; 36cdf0e10cSrcweir class SwFtnPortion; 37cdf0e10cSrcweir class SvLongs; 38cdf0e10cSrcweir 39cdf0e10cSrcweir /************************************************************************* 40cdf0e10cSrcweir * class SwTxtFormatter 41cdf0e10cSrcweir *************************************************************************/ 42cdf0e10cSrcweir 43cdf0e10cSrcweir class SwTxtFormatter : public SwTxtPainter 44cdf0e10cSrcweir { 45cdf0e10cSrcweir const SwFmtDrop *pDropFmt; 46cdf0e10cSrcweir SwMultiPortion* pMulti; // during formatting a multi-portion 47cdf0e10cSrcweir sal_uInt8 nCntEndHyph; // zaehlt aufeinanderfolgende Hyphens am Zeilenende 48cdf0e10cSrcweir sal_uInt8 nCntMidHyph; // zaehlt aufeinanderfolgende Hyphens vor Flies 49cdf0e10cSrcweir xub_StrLen nLeftScanIdx; // for increasing performance during 50cdf0e10cSrcweir xub_StrLen nRightScanIdx; // scanning for portion ends 51cdf0e10cSrcweir sal_Bool bOnceMore : 1; // noch 'ne Runde? 52cdf0e10cSrcweir sal_Bool bFlyInCntBase : 1; // Base-Referenz der zeichengeb. Rahmen setzen 53cdf0e10cSrcweir sal_Bool bChanges : 1; // Flag, fuer die Berechnung des Repaint-Rechtecks 54cdf0e10cSrcweir sal_Bool bTruncLines : 1; // Flag, Repaint-Rechtecks ggf. erweitern 55cdf0e10cSrcweir sal_Bool bUnclipped : 1; // Flag, ob Repaint groesser als feste Zeilenhoehe 56cdf0e10cSrcweir sal_uInt16 m_nHintEndIndex; // HACK for TryNewNoLengthPortion 57cdf0e10cSrcweir SwLinePortion *NewPortion( SwTxtFormatInfo &rInf ); 58cdf0e10cSrcweir SwTxtPortion *NewTxtPortion( SwTxtFormatInfo &rInf ); 59cdf0e10cSrcweir SwLinePortion *NewExtraPortion( SwTxtFormatInfo &rInf ); 60cdf0e10cSrcweir SwTabPortion *NewTabPortion( SwTxtFormatInfo &rInf, bool bAuto ) const; 61cdf0e10cSrcweir SwNumberPortion *NewNumberPortion( SwTxtFormatInfo &rInf ) const; 62cdf0e10cSrcweir SwDropPortion *NewDropPortion( SwTxtFormatInfo &rInf ); 63cdf0e10cSrcweir SwNumberPortion *NewFtnNumPortion( SwTxtFormatInfo &rInf ) const; 64cdf0e10cSrcweir SwErgoSumPortion *NewErgoSumPortion( SwTxtFormatInfo &rInf ) const; 65cdf0e10cSrcweir SwExpandPortion *NewFldPortion( SwTxtFormatInfo &rInf, 66cdf0e10cSrcweir const SwTxtAttr *pHt ) const; 67cdf0e10cSrcweir SwFtnPortion *NewFtnPortion( SwTxtFormatInfo &rInf, SwTxtAttr *pHt ); 68cdf0e10cSrcweir SwFlyCntPortion *NewFlyCntPortion( SwTxtFormatInfo &rInf, 69cdf0e10cSrcweir SwTxtAttr *pHt ) const; 70cdf0e10cSrcweir SwLinePortion *WhichFirstPortion( SwTxtFormatInfo &rInf ); 71cdf0e10cSrcweir SwTxtPortion *WhichTxtPor( SwTxtFormatInfo &rInf ) const; 72cdf0e10cSrcweir SwExpandPortion * TryNewNoLengthPortion( SwTxtFormatInfo & rInfo ); 73cdf0e10cSrcweir 74cdf0e10cSrcweir // Das Herzstueck der Formatierung 75cdf0e10cSrcweir void BuildPortions( SwTxtFormatInfo &rInf ); 76cdf0e10cSrcweir sal_Bool BuildMultiPortion( SwTxtFormatInfo &rInf, SwMultiPortion& rMulti ); 77cdf0e10cSrcweir 78cdf0e10cSrcweir // Berechnung des emulierten rechten Rands 79cdf0e10cSrcweir void CalcFlyWidth( SwTxtFormatInfo &rInf ); 80cdf0e10cSrcweir 81cdf0e10cSrcweir // wird von SwTxtFormatter wegen UpdatePos ueberladen 82cdf0e10cSrcweir void CalcAdjustLine( SwLineLayout *pCurr ); 83cdf0e10cSrcweir 84cdf0e10cSrcweir // consideres line spacing attributes 85cdf0e10cSrcweir void CalcRealHeight( sal_Bool bNewLine = sal_False ); 86cdf0e10cSrcweir 87cdf0e10cSrcweir // uebertraegt die Daten nach rInf 88cdf0e10cSrcweir void FeedInf( SwTxtFormatInfo &rInf ) const; 89cdf0e10cSrcweir 90cdf0e10cSrcweir // behandelt die Unterlaufsituationen 91cdf0e10cSrcweir SwLinePortion *UnderFlow( SwTxtFormatInfo &rInf ); 92cdf0e10cSrcweir 93cdf0e10cSrcweir // errechnet den Ascent und die Hoehe aus der Fontmetric 94cdf0e10cSrcweir void CalcAscent( SwTxtFormatInfo &rInf, SwLinePortion *pPor ); 95cdf0e10cSrcweir 96cdf0e10cSrcweir // determines, if a optimized repaint rectange is allowed 97cdf0e10cSrcweir sal_Bool AllowRepaintOpt() const; 98cdf0e10cSrcweir 99cdf0e10cSrcweir // calculates and sets the optimized repaint offset 100cdf0e10cSrcweir long CalcOptRepaint( xub_StrLen nOldLineEnd, const SvLongs* pFlyStart ); 101cdf0e10cSrcweir 102cdf0e10cSrcweir // wird von FormatLine gerufen. 103cdf0e10cSrcweir void FormatReset( SwTxtFormatInfo &rInf ); 104cdf0e10cSrcweir 105cdf0e10cSrcweir // durch das Adjustment aendert sich die Position der Portions 106cdf0e10cSrcweir void UpdatePos( SwLineLayout *pCurr, Point aStart, xub_StrLen nStartIdx, 107cdf0e10cSrcweir sal_Bool bAllWays = sal_False ) const; 108cdf0e10cSrcweir 109cdf0e10cSrcweir // Setze alle FlyInCntFrms auf die uebergebene BaseLine 110cdf0e10cSrcweir void AlignFlyInCntBase( long nBaseLine ) const; 111cdf0e10cSrcweir 112cdf0e10cSrcweir // Unterlaufbedingungen bei Flys 113cdf0e10cSrcweir sal_Bool ChkFlyUnderflow( SwTxtFormatInfo &rInf ) const; 114cdf0e10cSrcweir 115cdf0e10cSrcweir // Portion einfuegen. 116cdf0e10cSrcweir void InsertPortion( SwTxtFormatInfo &rInf, SwLinePortion *pPor ) const; 117cdf0e10cSrcweir 118cdf0e10cSrcweir // schaetzt die Hoehe fuer die DropPortion 119cdf0e10cSrcweir void GuessDropHeight( const MSHORT nLines ); 120cdf0e10cSrcweir 121cdf0e10cSrcweir public: 122cdf0e10cSrcweir // errechnet die Hoehe fuer die DropPortion 123cdf0e10cSrcweir void CalcDropHeight( const MSHORT nLines ); 124cdf0e10cSrcweir 125cdf0e10cSrcweir // errechnet den Bottom des Absatzes, beruecksichtigt an diesem verankerte 126cdf0e10cSrcweir // Objekte mit Umlauf 1. Absatz. 127cdf0e10cSrcweir SwTwips CalcBottomLine() const; 128cdf0e10cSrcweir 129cdf0e10cSrcweir // Beruecksichtigt zeichengebundene Objekte bei der Repaintrechteck- 130cdf0e10cSrcweir // berechnung in Zeilen mit fester Zeilenhoehe 131cdf0e10cSrcweir void CalcUnclipped( SwTwips& rTop, SwTwips& rBottom ); 132cdf0e10cSrcweir 133cdf0e10cSrcweir // u.a. fuer DropCaps 134cdf0e10cSrcweir sal_Bool CalcOnceMore(); 135cdf0e10cSrcweir 136cdf0e10cSrcweir void CtorInitTxtFormatter( SwTxtFrm *pFrm, SwTxtFormatInfo *pInf ); SwTxtFormatter(SwTxtFrm * pTxtFrm,SwTxtFormatInfo * pTxtFmtInf)137cdf0e10cSrcweir inline SwTxtFormatter( SwTxtFrm *pTxtFrm, SwTxtFormatInfo *pTxtFmtInf ) : SwTxtPainter(pTxtFrm!=NULL?pTxtFrm->GetTxtNode():NULL) 138cdf0e10cSrcweir { CtorInitTxtFormatter( pTxtFrm, pTxtFmtInf ); } 139cdf0e10cSrcweir ~SwTxtFormatter(); 140cdf0e10cSrcweir 141cdf0e10cSrcweir xub_StrLen FormatLine( const xub_StrLen nStart ); 142cdf0e10cSrcweir 143cdf0e10cSrcweir void RecalcRealHeight(); 144cdf0e10cSrcweir 145cdf0e10cSrcweir // Wir formatieren eine Zeile fuer die interaktive Trennung 146cdf0e10cSrcweir sal_Bool Hyphenate( SwInterHyphInfo &rInf ); 147cdf0e10cSrcweir 148cdf0e10cSrcweir // Spezialmethode fuer QuoVadis-Texte 149cdf0e10cSrcweir // nErgo ist die Seitennummer der ErgoSum-Ftn 150cdf0e10cSrcweir // Bei 0 ist es noch unklar. 151cdf0e10cSrcweir xub_StrLen FormatQuoVadis( const xub_StrLen nStart ); 152cdf0e10cSrcweir 153cdf0e10cSrcweir // Die Notbremse: Formatierung abbrechen, Zeile verwerfen. IsStop() const154cdf0e10cSrcweir inline sal_Bool IsStop() const { return GetInfo().IsStop(); } 155cdf0e10cSrcweir 156cdf0e10cSrcweir // Das Gegenstueck: Formatierung unbedingt fortsetzen. IsNewLine() const157cdf0e10cSrcweir inline sal_Bool IsNewLine() const { return GetInfo().IsNewLine(); } 158cdf0e10cSrcweir 159cdf0e10cSrcweir // FormatQuick(); auffrischen von Formatinformationen IsQuick() const160cdf0e10cSrcweir inline sal_Bool IsQuick() const { return GetInfo().IsQuick(); } 161cdf0e10cSrcweir 162cdf0e10cSrcweir // erzeugt ggfs. ein SwLineLayout, dass Ftn/Fly--Oszillation unterbindet. 163cdf0e10cSrcweir void MakeDummyLine(); 164cdf0e10cSrcweir 165cdf0e10cSrcweir // SwTxtIter-Funktionalitaet 166cdf0e10cSrcweir void Insert( SwLineLayout *pLine ); 167cdf0e10cSrcweir 168cdf0e10cSrcweir // die noch verbleibende Hoehe bis zum Seitenrand 169cdf0e10cSrcweir KSHORT GetFrmRstHeight() const; 170cdf0e10cSrcweir 171cdf0e10cSrcweir // Wie breit waerest Du ohne rechte Begrenzungen (Flys etc.)? 172cdf0e10cSrcweir SwTwips _CalcFitToContent( ); 173cdf0e10cSrcweir 174cdf0e10cSrcweir SwLinePortion* MakeRestPortion(const SwLineLayout* pLine, xub_StrLen nPos); 175cdf0e10cSrcweir GetDropFmt() const176cdf0e10cSrcweir inline const SwFmtDrop *GetDropFmt() const { return pDropFmt; } ClearDropFmt()177cdf0e10cSrcweir inline void ClearDropFmt() { pDropFmt = 0; } 178cdf0e10cSrcweir GetMulti() const179cdf0e10cSrcweir inline SwMultiPortion *GetMulti() const { return pMulti; } 180cdf0e10cSrcweir IsOnceMore() const181cdf0e10cSrcweir inline sal_Bool IsOnceMore() const { return bOnceMore; } SetOnceMore(sal_Bool bNew)182cdf0e10cSrcweir inline void SetOnceMore( sal_Bool bNew ) { bOnceMore = bNew; } 183cdf0e10cSrcweir HasChanges() const184cdf0e10cSrcweir inline sal_Bool HasChanges() const { return bChanges; } SetChanges()185cdf0e10cSrcweir inline void SetChanges() { bChanges = sal_True; } 186cdf0e10cSrcweir HasTruncLines() const187cdf0e10cSrcweir inline sal_Bool HasTruncLines() const { return bTruncLines; } SetTruncLines(sal_Bool bNew)188cdf0e10cSrcweir inline void SetTruncLines( sal_Bool bNew ) { bTruncLines = bNew; } 189cdf0e10cSrcweir IsUnclipped() const190cdf0e10cSrcweir inline sal_Bool IsUnclipped() const { return bUnclipped; } SetUnclipped(sal_Bool bNew)191cdf0e10cSrcweir inline void SetUnclipped( sal_Bool bNew ) { bUnclipped = bNew; } 192cdf0e10cSrcweir IsFlyInCntBase() const193cdf0e10cSrcweir inline sal_Bool IsFlyInCntBase() const { return bFlyInCntBase; } SetFlyInCntBase(sal_Bool bNew=sal_True)194cdf0e10cSrcweir inline void SetFlyInCntBase( sal_Bool bNew = sal_True ){ bFlyInCntBase = bNew; } 195cdf0e10cSrcweir GetInfo()196cdf0e10cSrcweir inline SwTxtFormatInfo &GetInfo() 197cdf0e10cSrcweir { return (SwTxtFormatInfo&)SwTxtIter::GetInfo(); } GetInfo() const198cdf0e10cSrcweir inline const SwTxtFormatInfo &GetInfo() const 199cdf0e10cSrcweir { return (const SwTxtFormatInfo&)SwTxtIter::GetInfo(); } 200cdf0e10cSrcweir InitCntHyph()201cdf0e10cSrcweir inline void InitCntHyph() { CntHyphens( nCntEndHyph, nCntMidHyph ); } CntEndHyph() const202cdf0e10cSrcweir inline const sal_uInt8 &CntEndHyph() const { return nCntEndHyph; } CntMidHyph() const203cdf0e10cSrcweir inline const sal_uInt8 &CntMidHyph() const { return nCntMidHyph; } CntEndHyph()204cdf0e10cSrcweir inline sal_uInt8 &CntEndHyph() { return nCntEndHyph; } CntMidHyph()205cdf0e10cSrcweir inline sal_uInt8 &CntMidHyph() { return nCntMidHyph; } 206cdf0e10cSrcweir }; 207cdf0e10cSrcweir 208cdf0e10cSrcweir 209cdf0e10cSrcweir 210cdf0e10cSrcweir #endif 211