LCOV - code coverage report
Current view: top level - sw/source/core/text - itrform2.hxx (source / functions) Hit Total Coverage
Test: libreoffice_filtered.info Lines: 23 26 88.5 %
Date: 2012-08-25 Functions: 20 23 87.0 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 2 4 50.0 %

           Branch data     Line data    Source code
       1                 :            : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2                 :            : /*************************************************************************
       3                 :            :  *
       4                 :            :  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
       5                 :            :  *
       6                 :            :  * Copyright 2000, 2010 Oracle and/or its affiliates.
       7                 :            :  *
       8                 :            :  * OpenOffice.org - a multi-platform office productivity suite
       9                 :            :  *
      10                 :            :  * This file is part of OpenOffice.org.
      11                 :            :  *
      12                 :            :  * OpenOffice.org is free software: you can redistribute it and/or modify
      13                 :            :  * it under the terms of the GNU Lesser General Public License version 3
      14                 :            :  * only, as published by the Free Software Foundation.
      15                 :            :  *
      16                 :            :  * OpenOffice.org is distributed in the hope that it will be useful,
      17                 :            :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      18                 :            :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      19                 :            :  * GNU Lesser General Public License version 3 for more details
      20                 :            :  * (a copy is included in the LICENSE file that accompanied this code).
      21                 :            :  *
      22                 :            :  * You should have received a copy of the GNU Lesser General Public License
      23                 :            :  * version 3 along with OpenOffice.org.  If not, see
      24                 :            :  * <http://www.openoffice.org/license.html>
      25                 :            :  * for a copy of the LGPLv3 License.
      26                 :            :  *
      27                 :            :  ************************************************************************/
      28                 :            : #ifndef _ITRFORM2_HXX
      29                 :            : #define _ITRFORM2_HXX
      30                 :            : #include "itrpaint.hxx"
      31                 :            : 
      32                 :            : class SwFlyCntPortion;
      33                 :            : class SwInterHyphInfo;
      34                 :            : class SwDropPortion;
      35                 :            : class SwFmtDrop;
      36                 :            : class SwTxtAttr;
      37                 :            : class SwNumberPortion;
      38                 :            : class SwErgoSumPortion;
      39                 :            : class SwExpandPortion;
      40                 :            : class SwMultiPortion;
      41                 :            : class SwFtnPortion;
      42                 :            : 
      43                 :            : 
      44                 :            : class SwTxtFormatter : public SwTxtPainter
      45                 :            : {
      46                 :            :     const SwFmtDrop *pDropFmt;
      47                 :            :     SwMultiPortion* pMulti; // during formatting a multi-portion
      48                 :            :     sal_uInt8 nCntEndHyph;  // Counts consecutive hyphens at the line end
      49                 :            :     sal_uInt8 nCntMidHyph;  // Counts consecutive hyphens before flies
      50                 :            :     xub_StrLen nLeftScanIdx; // for increasing performance during
      51                 :            :     xub_StrLen nRightScanIdx; // scanning for portion ends
      52                 :            :     sal_Bool bOnceMore : 1; // Another round?
      53                 :            :     sal_Bool bFlyInCntBase : 1; // Base reference that sets a character-bound frame
      54                 :            :     sal_Bool bChanges : 1; // Flag for calculating the repaint rectangle
      55                 :            :     sal_Bool bTruncLines : 1; // Flag for extending the repaint rect, if needed
      56                 :            :     sal_Bool bUnclipped : 1; // Flag whether repaint is larger than the fixed line height
      57                 :            :     sal_uInt16 m_nHintEndIndex; // HACK for TryNewNoLengthPortion
      58                 :            :     SwLinePortion *NewPortion( SwTxtFormatInfo &rInf );
      59                 :            :     SwTxtPortion  *NewTxtPortion( SwTxtFormatInfo &rInf );
      60                 :            :     SwLinePortion *NewExtraPortion( SwTxtFormatInfo &rInf );
      61                 :            :     SwTabPortion *NewTabPortion( SwTxtFormatInfo &rInf, bool bAuto ) const;
      62                 :            :     SwNumberPortion *NewNumberPortion( SwTxtFormatInfo &rInf ) const;
      63                 :            :     SwDropPortion *NewDropPortion( SwTxtFormatInfo &rInf );
      64                 :            :     SwNumberPortion *NewFtnNumPortion( SwTxtFormatInfo &rInf ) const;
      65                 :            :     SwErgoSumPortion *NewErgoSumPortion( SwTxtFormatInfo &rInf ) const;
      66                 :            :     SwExpandPortion *NewFldPortion( SwTxtFormatInfo &rInf,
      67                 :            :                                     const SwTxtAttr *pHt ) const;
      68                 :            :     SwFtnPortion *NewFtnPortion( SwTxtFormatInfo &rInf, SwTxtAttr *pHt );
      69                 :            : 
      70                 :            :     /**
      71                 :            :         Sets a new portion for an object anchored as character
      72                 :            :      */
      73                 :            :     SwFlyCntPortion *NewFlyCntPortion( SwTxtFormatInfo &rInf,
      74                 :            :                                        SwTxtAttr *pHt ) const;
      75                 :            :     SwLinePortion *WhichFirstPortion( SwTxtFormatInfo &rInf );
      76                 :            :     SwTxtPortion *WhichTxtPor( SwTxtFormatInfo &rInf ) const;
      77                 :            :     SwExpandPortion * TryNewNoLengthPortion( SwTxtFormatInfo & rInfo );
      78                 :            : 
      79                 :            :     // The center pice of formatting
      80                 :            :     void BuildPortions( SwTxtFormatInfo &rInf );
      81                 :            : 
      82                 :            :     sal_Bool BuildMultiPortion( SwTxtFormatInfo &rInf, SwMultiPortion& rMulti );
      83                 :            : 
      84                 :            :     /**
      85                 :            :         Calculation of the emulated right side.
      86                 :            : 
      87                 :            :         Determines the next object, that reaches into the rest of the line and
      88                 :            :         constructs the appropriate FlyPortion.
      89                 :            :         SwTxtFly::GetFrm(const SwRect&, sal_Bool) will be needed for this.
      90                 :            : 
      91                 :            :         The right edge can be shortened by flys
      92                 :            :      */
      93                 :            :     void CalcFlyWidth( SwTxtFormatInfo &rInf );
      94                 :            : 
      95                 :            :     // Is overloaded by SwTxtFormatter because of UpdatePos
      96                 :            :     void CalcAdjustLine( SwLineLayout *pCurr );
      97                 :            : 
      98                 :            :     // consideres line spacing attributes
      99                 :            :     void CalcRealHeight( sal_Bool bNewLine = sal_False );
     100                 :            : 
     101                 :            :     // Transfers the data to rInf
     102                 :            :     void FeedInf( SwTxtFormatInfo &rInf ) const;
     103                 :            : 
     104                 :            :     // Treats underflow situations
     105                 :            :     SwLinePortion *UnderFlow( SwTxtFormatInfo &rInf );
     106                 :            : 
     107                 :            :     // Calculates the ascent and the height from the fontmetric
     108                 :            :     void CalcAscent( SwTxtFormatInfo &rInf, SwLinePortion *pPor );
     109                 :            : 
     110                 :            :     // determines, if a optimized repaint rectange is allowed
     111                 :            :     sal_Bool AllowRepaintOpt() const;
     112                 :            : 
     113                 :            :     // Is called by by FormatLine
     114                 :            :     void FormatReset( SwTxtFormatInfo &rInf );
     115                 :            : 
     116                 :            :     /**
     117                 :            :         The position of the portions changes with the adjustment.
     118                 :            : 
     119                 :            :         This method updates the reference point of the anchored as character objects,
     120                 :            :         for example after adjustment change (right alignment, justified, etc.)
     121                 :            :         Mainly to correct the X position.
     122                 :            :      */
     123                 :            :     void UpdatePos( SwLineLayout *pCurr, Point aStart, xub_StrLen nStartIdx,
     124                 :            :             sal_Bool bAllWays = sal_False ) const;
     125                 :            : 
     126                 :            :     /**
     127                 :            :         Set all anchored as character objects to the passed BaseLine
     128                 :            :         (in Y direction).
     129                 :            :      */
     130                 :            :     void AlignFlyInCntBase( long nBaseLine ) const;
     131                 :            : 
     132                 :            :     /**
     133                 :            :         This is called after the real height of the line has been calculated
     134                 :            :         Therefore it is possible, that more flys from below intersect with the
     135                 :            :         line, or that flys from above do not intersect with the line anymore.
     136                 :            :         We check this and return true, meaning that the line has to be
     137                 :            :         formatted again.
     138                 :            :      */
     139                 :            :     sal_Bool ChkFlyUnderflow( SwTxtFormatInfo &rInf ) const;
     140                 :            : 
     141                 :            :     // Insert portion
     142                 :            :     void InsertPortion( SwTxtFormatInfo &rInf, SwLinePortion *pPor ) const;
     143                 :            : 
     144                 :            :     // Guess height for the DropPortion
     145                 :            :     void GuessDropHeight( const MSHORT nLines );
     146                 :            : 
     147                 :            : public:
     148                 :            :     // Calculate the height for the DropPortion
     149                 :            :     void CalcDropHeight( const MSHORT nLines );
     150                 :            : 
     151                 :            :     // Calculates the paragraphs bottom, takes anchored objects within it into
     152                 :            :     // account which have a wrap setting of "wrap at 1st paragraph"
     153                 :            :     SwTwips CalcBottomLine() const;
     154                 :            : 
     155                 :            :     // Takes character-bound objects into account when calculating the
     156                 :            :     // repaint rect in lines with fixed line height
     157                 :            :     void CalcUnclipped( SwTwips& rTop, SwTwips& rBottom );
     158                 :            : 
     159                 :            :     // Amongst others for DropCaps
     160                 :            :     sal_Bool CalcOnceMore();
     161                 :            : 
     162                 :            :     void CtorInitTxtFormatter( SwTxtFrm *pFrm, SwTxtFormatInfo *pInf );
     163         [ +  - ]:      14873 :     inline SwTxtFormatter( SwTxtFrm *pTxtFrm, SwTxtFormatInfo *pTxtFmtInf ) : SwTxtPainter(pTxtFrm!=NULL?pTxtFrm->GetTxtNode():NULL)
     164         [ +  - ]:      14873 :            { CtorInitTxtFormatter( pTxtFrm, pTxtFmtInf ); }
     165                 :            :     ~SwTxtFormatter();
     166                 :            : 
     167                 :            :     xub_StrLen FormatLine( const xub_StrLen nStart );
     168                 :            : 
     169                 :            :     void RecalcRealHeight();
     170                 :            : 
     171                 :            :     // We format a line for interactive hyphenation
     172                 :            :     sal_Bool Hyphenate( SwInterHyphInfo &rInf );
     173                 :            : 
     174                 :            :     // A special method for QuoVadis texts:
     175                 :            :     // nErgo is the page number of the ErgoSum Ftn
     176                 :            :     // At 0 it's still unclear
     177                 :            :     xub_StrLen FormatQuoVadis( const xub_StrLen nStart );
     178                 :            : 
     179                 :            :     // The emergency break: Cancel formatting, discard line
     180                 :      93550 :     inline sal_Bool IsStop() const { return GetInfo().IsStop(); }
     181                 :            : 
     182                 :            :     // The counterpart: Continue formatting at all costs
     183                 :      52762 :     inline sal_Bool IsNewLine() const { return GetInfo().IsNewLine(); }
     184                 :            : 
     185                 :            :     // FormatQuick(); Refresh formatting information
     186                 :      16911 :     inline sal_Bool IsQuick() const { return GetInfo().IsQuick(); }
     187                 :            : 
     188                 :            :     // Create a SwLineLayout if needed, which avoids Ftn/Fly to oscillate
     189                 :            :     void MakeDummyLine();
     190                 :            : 
     191                 :            :     // SwTxtIter functionality
     192                 :            :     void Insert( SwLineLayout *pLine );
     193                 :            : 
     194                 :            :     // The remaining height to the page border
     195                 :            :     KSHORT GetFrmRstHeight() const;
     196                 :            : 
     197                 :            :     // How wide would you be without any bounds (Flys etc.)?
     198                 :            :     SwTwips _CalcFitToContent( );
     199                 :            : 
     200                 :            :     SwLinePortion* MakeRestPortion(const SwLineLayout* pLine, xub_StrLen nPos);
     201                 :            : 
     202                 :      25339 :     inline const SwFmtDrop *GetDropFmt() const { return pDropFmt; }
     203                 :          0 :     inline void ClearDropFmt() { pDropFmt = 0; }
     204                 :            : 
     205                 :     135863 :     inline SwMultiPortion *GetMulti() const { return pMulti; }
     206                 :            : 
     207                 :      14115 :     inline sal_Bool IsOnceMore() const { return bOnceMore; }
     208                 :          0 :     inline void       SetOnceMore( sal_Bool bNew ) { bOnceMore = bNew; }
     209                 :            : 
     210                 :            :     inline sal_Bool HasChanges() const { return bChanges; }
     211                 :      32091 :     inline void       SetChanges()       { bChanges = sal_True; }
     212                 :            : 
     213                 :          0 :     inline sal_Bool HasTruncLines() const { return bTruncLines; }
     214                 :      14227 :     inline void       SetTruncLines( sal_Bool bNew ) { bTruncLines = bNew; }
     215                 :            : 
     216                 :      51550 :     inline sal_Bool IsUnclipped() const { return bUnclipped; }
     217                 :      65667 :     inline void       SetUnclipped( sal_Bool bNew ) { bUnclipped = bNew; }
     218                 :            : 
     219                 :     108021 :     inline sal_Bool IsFlyInCntBase() const { return bFlyInCntBase; }
     220                 :      68633 :     inline void  SetFlyInCntBase( sal_Bool bNew = sal_True ){ bFlyInCntBase = bNew; }
     221                 :            : 
     222                 :    1748940 :     inline SwTxtFormatInfo &GetInfo()
     223                 :    1748940 :         { return (SwTxtFormatInfo&)SwTxtIter::GetInfo(); }
     224                 :     320048 :     inline const SwTxtFormatInfo &GetInfo() const
     225                 :     320048 :         { return (const SwTxtFormatInfo&)SwTxtIter::GetInfo(); }
     226                 :            : 
     227                 :          3 :     inline void InitCntHyph() { CntHyphens( nCntEndHyph, nCntMidHyph ); }
     228                 :      53368 :     inline const sal_uInt8 &CntEndHyph() const { return nCntEndHyph; }
     229                 :      53368 :     inline const sal_uInt8 &CntMidHyph() const { return nCntMidHyph; }
     230                 :      53784 :     inline sal_uInt8 &CntEndHyph() { return nCntEndHyph; }
     231                 :      53784 :     inline sal_uInt8 &CntMidHyph() { return nCntMidHyph; }
     232                 :            : };
     233                 :            : 
     234                 :            : 
     235                 :            : 
     236                 :            : #endif
     237                 :            : 
     238                 :            : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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