/****************************************************************************
**
** Copyright (C) 1992-2006 Trolltech ASA. All rights reserved.
**
** This file is part of the Qt3Support module of the Qt Toolkit.
**
** Licensees holding valid Qt Preview licenses may use this file in
** accordance with the Qt Preview License Agreement provided with the
** Software.
**
** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
** information about Qt Commercial License Agreements.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/

#ifndef Q3POLYGONSCANNER_H
#define Q3POLYGONSCANNER_H

#include <QtCore/qglobal.h>

QT_BEGIN_HEADER

QT_MODULE(Qt3SupportLight)

class Q3PointArray;
class QPoint;

class Q_COMPAT_EXPORT Q3PolygonScanner {
public:
    virtual ~Q3PolygonScanner() {}
    void scan(const Q3PointArray& pa, bool winding, int index=0, int npoints=-1);
    void scan(const Q3PointArray& pa, bool winding, int index, int npoints, bool stitchable);
    enum Edge { Left=1, Right=2, Top=4, Bottom=8 };
    void scan(const Q3PointArray& pa, bool winding, int index, int npoints, Edge edges);
    virtual void processSpans(int n, QPoint* point, int* width)=0;
};

QT_END_HEADER

#endif // Q3POLYGONSCANNER_H
