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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef _TXTFLY_HXX
#define _TXTFLY_HXX
#include "swtypes.hxx"
#include "swrect.hxx"
class OutputDevice;
class SwCntntFrm;
class SwPageFrm;
class SwTxtFly;
class SdrObject;
class SwTxtPaintInfo;
class SwFmt;
class TextRanger;
class Color;
class SwAnchoredObject;
#include <fmtsrndenum.hxx>
#include <vector>
typedef std::vector< SwAnchoredObject* > SwAnchoredObjList;
/*************************************************************************
* class SwFlyIter
*************************************************************************/
enum PAGESIDE { LEFT_SIDE, RIGHT_SIDE, DONTKNOW_SIDE };
/*************************************************************************
* class SwContourCache
*************************************************************************/
class SwDrawTextInfo;
// Contour-Cache, globale Variable, in txtinit.cxx initialisiert/zerstoert
// und in txtfly.cxx benutzt bei Konturumfluss
class SwContourCache;
extern SwContourCache *pContourCache;
class SwTxtFrm;
#define POLY_CNT 20
#define POLY_MIN 5
#define POLY_MAX 4000
class SwContourCache
{
friend void ClrContourCache();
const SdrObject *pSdrObj[ POLY_CNT ];
TextRanger *pTextRanger[ POLY_CNT ];
long nPntCnt;
MSHORT nObjCnt;
const SwRect ContourRect( const SwFmt* pFmt, const SdrObject* pObj,
const SwTxtFrm* pFrm, const SwRect &rLine, const long nXPos,
const sal_Bool bRight );
public:
SwContourCache();
~SwContourCache();
const SdrObject* GetObject( MSHORT nPos ) const{ return pSdrObj[ nPos ]; }
MSHORT GetCount() const { return nObjCnt; }
void ClrObject( MSHORT nPos );
static const SwRect CalcBoundRect( const SwAnchoredObject* pAnchoredObj,
const SwRect &rLine,
const SwTxtFrm* pFrm,
const long nXPos,
const sal_Bool bRight );
#ifdef DBG_UTIL
void ShowContour( OutputDevice* pOut, const SdrObject* pObj,
const Color& rClosedColor, const Color& rOpenColor );
#endif
};
/*************************************************************************
* class SwTxtFly
*************************************************************************/
class SwTxtFly
{
const SwPageFrm *pPage;
const SwAnchoredObject* mpCurrAnchoredObj;
const SwTxtFrm *pCurrFrm;
const SwCntntFrm *pMaster;
SwAnchoredObjList* mpAnchoredObjList;
long nMinBottom;
long nNextTop; // Hier wird die Oberkante des "naechsten" Rahmens gespeichert
sal_uLong nIndex;
sal_Bool bOn : 1;
sal_Bool bLeftSide : 1;
sal_Bool bTopRule: 1;
sal_Bool mbIgnoreCurrentFrame: 1;
sal_Bool mbIgnoreContour: 1;
// boolean, indicating if objects in page header|footer are considered for
// text frames not in page header|footer.
sal_Bool mbIgnoreObjsInHeaderFooter: 1;
SwRect _GetFrm( const SwRect &rPortion, sal_Bool bTop ) const;
SwAnchoredObjList* InitAnchoredObjList();
inline SwAnchoredObjList* GetAnchoredObjList() const
{
return mpAnchoredObjList
? mpAnchoredObjList
: const_cast<SwTxtFly*>(this)->InitAnchoredObjList();
}
// iterates over the anchored object list <mpAnchoredObjList>
sal_Bool ForEach( const SwRect &rRect, SwRect* pRect, sal_Bool bAvoid ) const;
SwSurround _GetSurroundForTextWrap( const SwAnchoredObject* pAnchoredObj ) const;
void CalcRightMargin( SwRect &rFly,
SwAnchoredObjList::size_type nPos,
const SwRect &rLine ) const;
void CalcLeftMargin( SwRect &rFly,
SwAnchoredObjList::size_type nPos,
const SwRect &rLine ) const;
SwAnchoredObjList::size_type GetPos( const SwAnchoredObject* pAnchoredObj ) const;
sal_Bool GetTop( const SwAnchoredObject* _pAnchoredObj,
const sal_Bool bInFtn,
const sal_Bool bInFooterOrHeader );
SwTwips CalcMinBottom() const;
const SwCntntFrm* _GetMaster();
public:
inline SwTxtFly() : pPage(0), mpCurrAnchoredObj(0), pCurrFrm(0), pMaster(0), mpAnchoredObjList(0), nMinBottom(0), nNextTop(0),
nIndex(0) {}
inline SwTxtFly( const SwTxtFrm *pFrm )
{ CtorInitTxtFly( pFrm ); }
SwTxtFly( const SwTxtFly& rTxtFly );
inline ~SwTxtFly() { delete mpAnchoredObjList; }
void CtorInitTxtFly( const SwTxtFrm *pFrm );
void SetTopRule(){ bTopRule = sal_False; }
inline SwRect GetFrm( const SwRect &rPortion, sal_Bool bTop = sal_True ) const;
inline sal_Bool IsOn() const { return bOn; }
inline sal_Bool Relax( const SwRect &rRect );
inline sal_Bool Relax();
inline SwTwips GetMinBottom() const
{ return mpAnchoredObjList ? nMinBottom : CalcMinBottom(); }
inline const SwCntntFrm* GetMaster() const
{ return pMaster ? pMaster : ((SwTxtFly*)this)->_GetMaster(); }
inline long GetNextTop() const { return nNextTop; }
// Diese temporaere Variable darf auch in const-Methoden manipuliert werden
inline void SetNextTop( long nNew ) const
{ ((SwTxtFly*)this)->nNextTop = nNew; }
// determines the demanded rectangle for an anchored object,
// considering its surround for text wrapping.
SwRect AnchoredObjToRect( const SwAnchoredObject* pAnchoredObj,
const SwRect& rRect ) const;
// Die Drawmethoden stellen sicher, dass ueberlappende Frames
// (ausser bei transparenten Frames) nicht uebergepinselt werden.
sal_Bool DrawTextOpaque( SwDrawTextInfo &rInf );
void DrawFlyRect( OutputDevice* pOut, const SwRect &rRect,
const SwTxtPaintInfo &rInf, sal_Bool bNoGraphic = sal_False );
// Liefert zurueck, ob die Zeile von einem Frame ueberlappt wird.
sal_Bool IsAnyFrm( const SwRect &rLine ) const;
sal_Bool IsAnyFrm() const;
//Das Rechteck kann leer sein, es gilt dann der Frm.
sal_Bool IsAnyObj( const SwRect& ) const;
void SetIgnoreCurrentFrame( sal_Bool bNew ) { mbIgnoreCurrentFrame = bNew; }
void SetIgnoreContour( sal_Bool bNew ) { mbIgnoreContour = bNew; }
inline void SetIgnoreObjsInHeaderFooter( const sal_Bool _bNew )
{
mbIgnoreObjsInHeaderFooter = _bNew;
}
#ifdef DBG_UTIL
void ShowContour( OutputDevice* pOut );
#endif
};
// Wenn in das rRect (meist die aktuelle Zeile) kein freifliegender
// Frame ragt, dann schalten wir uns ab.
// rRect ist dokumentglobal !
inline sal_Bool SwTxtFly::Relax( const SwRect &rRect )
{
return 0 != (bOn = bOn && IsAnyFrm( rRect ));
}
inline sal_Bool SwTxtFly::Relax()
{
return 0 != (bOn = bOn && IsAnyFrm());
}
inline SwRect SwTxtFly::GetFrm( const SwRect &rRect, sal_Bool bTop ) const
{
return bOn ? _GetFrm( rRect, bTop ) : SwRect();
}
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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