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

#ifndef Q3POLYGONSCANNER_H
#define Q3POLYGONSCANNER_H

#include <QtCore/qglobal.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

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_NAMESPACE

QT_END_HEADER

#endif // Q3POLYGONSCANNER_H