/****************************************************************************
**
** Definition of TQPolygonScanner class
**
** Created : 000120
**
** Copyright (C) 1999-2008 Trolltech ASA.  All rights reserved.
**
** This file is part of the kernel module of the TQt GUI Toolkit.
**
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** Public License versions 2.0 or 3.0 as published by the Free
** Software Foundation and appearing in the files LICENSE.GPL2
** and LICENSE.GPL3 included in the packaging of this file.
** Alternatively you may (at your option) use any later version
** of the GNU General Public License if such license has been
** publicly approved by Trolltech ASA (or its successors, if any)
** and the KDE Free TQt Foundation.
**
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** included in the packaging of this file.  Licensees holding valid TQt
** Commercial licenses may use this file in accordance with the TQt
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**********************************************************************/

#ifndef TQPOLYGONSCANNER_H
#define TQPOLYGONSCANNER_H

#ifndef QT_H
#include "qglobal.h"
#endif // QT_H

class TQPointArray;
class TQPoint;

class Q_EXPORT TQPolygonScanner {
public:
    // BIC: fix for 3.0
    void scan( const TQPointArray& pa, bool winding, int index=0, int npoints=-1 );
    void scan( const TQPointArray& pa, bool winding, int index, int npoints, bool stitchable );
    enum Edge { Left=1, Right=2, Top=4, Bottom=8 };
    void scan( const TQPointArray& pa, bool winding, int index, int npoints, Edge edges );
    virtual void processSpans( int n, TQPoint* point, int* width )=0;
};

#endif // TQPOLYGONSCANNER_H