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 * 
 * Copyright 2008 by Sun Microsystems, Inc.
 *
 * OpenOffice.org - a multi-platform office productivity suite
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 * $RCSfile: region.h,v $
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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#ifndef _SV_REGION_H
#define _SV_REGION_H
#ifdef AVS
#include <vcl/regband.hxx>
#include <tools/poly.hxx>
#include <vcl/region.hxx>
#endif
#include "vcl/region.hxx"
#include "tools/poly.hxx"
#include "vcl/regband.hxx"

namespace SVMCore{
// -----------------
// - Hilfsmethoden -
// -----------------

#ifdef DBG_UTIL
const char* ImplDbgTestRegion( const void* pObj );
#endif

// --------------------
// - ImplRegionHandle -
// --------------------

struct ImplRegionHandle
{
	Region* 			mpRegion;
	ImplRegionBand* 	mpCurrRectBand;
	ImplRegionBandSep*	mpCurrRectBandSep;
	BOOL				mbFirst;
};

// ------------------
// - ImplRegionInfo -
// ------------------

struct ImplRegionInfo
{
	void*				mpVoidCurrRectBand;
	void*				mpVoidCurrRectBandSep;
};

// --------------
// - ImplRegion -
// --------------

struct ImplRegionBase
{
public:
	ImplRegionBase( int nCount = 1 ); // TODO: replace manual refcounting
	virtual ~ImplRegionBase();
public:
	ULONG				mnRefCount;
	ULONG				mnRectCount;
	PolyPolygon*		mpPolyPoly;
#ifdef AVS
	basegfx::B2DPolyPolygon* mpB2DPolyPoly;
#endif
};

class ImplRegion : public ImplRegionBase
{
	friend class Region;

private:
	ImplRegionBand* 	mpFirstBand;		// root of the list with y-bands
	ImplRegionBand* 	mpLastCheckedBand;

public:
						ImplRegion();
						ImplRegion( const PolyPolygon& rPolyPoly );
#ifdef AVS
						ImplRegion( const basegfx::B2DPolyPolygon& );
#endif
						ImplRegion( const ImplRegion& rImplRegion );
						~ImplRegion();

	ImplRegionBand* 	ImplGetFirstRegionBand() const { return mpFirstBand; }
	PolyPolygon*		ImplGetPolyPoly() const { return mpPolyPoly; }

	void				CreateBandRange( long nYTop, long nYBottom );
	void				InsertBands( long nYTop, long nYBottom );
	BOOL				InsertSingleBand( ImplRegionBand* mpImplRegionBand,
										  long nYBandPosition );
	BOOL				InsertLine( const Point & rFirstPoint,
									const Point & rSecondPoint,
									long nLineID );
	BOOL				InsertPoint( const Point &rPoint,
									 long nLineID,
									 BOOL bEndPoint, LineType eLineType );

	void				Union( long nLeft, long nTop, long nRight, long nBottom );
	void				Exclude( long nLeft, long nTop, long nRight, long nBottom );
	void				XOr( long nLeft, long nTop, long nRight, long nBottom );

						// remove emtpy rects
	BOOL				OptimizeBandList();

	friend SvStream&	operator>>( SvStream& rIStm, Region& rRegion );
	friend SvStream&	operator<<( SvStream& rOStm, const Region& rRegion );
};

}//SVMCore
#endif	// _SV_REGION_H
