/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 * 
 * Copyright 2008 by Sun Microsystems, Inc.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * $RCSfile: xpoly.hxx,v $
 * $Revision: 1.5 $
 *
 * 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.
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 ************************************************************************/
#ifndef _XPOLY_HXX
#define _XPOLY_HXX

// include ---------------------------------------------------------------

#ifndef _SOLAR_H
#include <tools/solar.h>
#endif

class Point;
class Rectangle;
class SvStream;
class Polygon;
class PolyPolygon;
class OutputDevice;
namespace binfilter {

/************************************************************************/

#define XPOLYPOLY_APPEND     0xFFFF
#define XPOLY_APPEND         0xFFFF

#ifdef WIN // Windows 16 Bit
#define XPOLY_MAXPOINTS      8160   /* =0xFF00/sizeof(Point), also mit etwas Platz! */
#else
#define XPOLY_MAXPOINTS      0xFFF0 /* Auch fuer die 32-Bitter etwas Luft lassen */
#endif

/************************************************************************/
// Punktstile im XPolygon:
// NORMAL : Anfangs- oder Endpunkt einer Kurve oder Linie
// SMOOTH : Glatter Uebergang zwischen Kurven
// SYMMTR : glatter und symmetrischer Uebergang zwischen Kurven
// CONTROL: Kontrollpunkt einer Bezierkurve

enum XPolyFlags { XPOLY_NORMAL, XPOLY_SMOOTH, XPOLY_CONTROL, XPOLY_SYMMTR };

/*************************************************************************
|*
|* Klasse XPolygon; hat neben dem Point-Array noch ein Array mit Flags,
|* die Informationen ueber den jeweiligen Punkt enthalten
|*
\************************************************************************/

class ImpXPolygon;

class XPolygon
{
protected:
	ImpXPolygon*    pImpXPolygon;

	// ImpXPolygon-ReferenceCount pruefen und ggf. abkoppeln
	void    CheckReference();

	// Hilfsfunktionen fuer Bezierkonvertierung
	void    SubdivideBezier(USHORT nPos, BOOL bCalcFirst, double fT);
	void    GenBezArc(const Point& rCenter, long nRx, long nRy,
					  long nXHdl, long nYHdl, USHORT nStart, USHORT nEnd,
					  USHORT nQuad, USHORT nFirst);
	BOOL    CheckAngles(USHORT& nStart, USHORT nEnd, USHORT& nA1, USHORT& nA2);

public:
	XPolygon( USHORT nSize=16, USHORT nResize=16 );
	XPolygon( const XPolygon& rXPoly );
	XPolygon( const Polygon& rPoly );
	XPolygon( const Rectangle& rRect, long nRx = 0, long nRy = 0 );
	XPolygon( const Point& rCenter, long nRx, long nRy,
			  USHORT nStartAngle = 0, USHORT nEndAngle = 3600,
			  BOOL bClose = TRUE );

	~XPolygon();

	void        SetSize( USHORT nSize );

	void        SetPointCount( USHORT nPoints );
	USHORT      GetPointCount() const;

	void        Insert( USHORT nPos, const Point& rPt, XPolyFlags eFlags );
	void        Remove( USHORT nPos, USHORT nCount );
	void        Move( long nHorzMove, long nVertMove );
	Rectangle   GetBoundRect(OutputDevice* pOut = NULL) const;

	const Point&    operator[]( USHORT nPos ) const;
		  Point&    operator[]( USHORT nPos );
	XPolygon&       operator=( const XPolygon& rXPoly );
	BOOL            operator==( const XPolygon& rXPoly ) const;
	BOOL            operator!=( const XPolygon& rXPoly ) const;

	XPolyFlags  GetFlags( USHORT nPos ) const;
	void        SetFlags( USHORT nPos, XPolyFlags eFlags );
	BOOL        IsControl(USHORT nPos) const;

	// Abstand zwischen zwei Punkten

	// Bezierkonvertierungen

	// Transformationen
	void Translate(const Point& rTrans);
	void Rotate(const Point& rCenter, double fSin, double fCos);
	void Rotate(const Point& rCenter, USHORT nAngle);
	void Scale(double fSx, double fSy);
	void SlantX(long nYRef, double fSin, double fCos);

	friend SvStream& operator>>( SvStream& rIStream, XPolygon& rXPoly );
	friend SvStream& operator<<( SvStream& rOStream, const XPolygon& rXPoly );
};

/*************************************************************************
|*
|* Klasse XPolyPolygon; wie PolyPolygon, nur statt aus Polygonen aus
|* XPolygonen bestehend
|*
\************************************************************************/

class ImpXPolyPolygon;

class XPolyPolygon
{
protected:
	ImpXPolyPolygon* pImpXPolyPolygon;

	// ImpXPolyPolygon-ReferenceCount pruefen und ggf. abkoppeln
	void    CheckReference();

public:
					XPolyPolygon( USHORT nInitSize = 16, USHORT nResize = 16 );
					XPolyPolygon( const XPolygon& rXPoly );
					XPolyPolygon( const XPolyPolygon& rXPolyPoly );
					XPolyPolygon( const PolyPolygon& rPolyPoly);

					~XPolyPolygon();

	void            Insert( const XPolygon& rXPoly,
							USHORT nPos = XPOLYPOLY_APPEND );
	const XPolygon& GetObject( USHORT nPos ) const;

	void            Clear();
	USHORT          Count() const;

	void            Move( long nHorzMove, long nVertMove );
	Rectangle       GetBoundRect(OutputDevice* pOut = NULL) const;

	const XPolygon& operator[]( USHORT nPos ) const
						{ return GetObject( nPos ); }
	XPolygon&       operator[]( USHORT nPos );

	XPolyPolygon&   operator=( const XPolyPolygon& rXPolyPoly );

	// Transformationen
	void Translate(const Point& rTrans);
	void Rotate(const Point& rCenter, double fSin, double fCos);
	void Scale(double fSx, double fSy);
	void SlantX(long nYRef, double fSin, double fCos);

	friend SvStream& operator>>( SvStream& rIStream, XPolyPolygon& rXPolyPoly );
	friend SvStream& operator<<( SvStream& rOStream, const XPolyPolygon& rXPolyPoly );
};

}//end of namespace binfilter
#endif      // _XPOLY_HXX

