41 lines
1.0 KiB
C
41 lines
1.0 KiB
C
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/* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
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* Qwt Widget Library
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* Copyright (C) 1997 Josef Wilgen
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* Copyright (C) 2002 Uwe Rathmann
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the Qwt License, Version 1.0
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*****************************************************************************/
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#ifndef QWT_CLIPPER_H
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#define QWT_CLIPPER_H
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#include "qwt_global.h"
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#include "qwt_interval.h"
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#include <qpolygon.h>
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#include <qvector.h>
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class QRect;
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class QRectF;
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/*!
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\brief Some clipping algorithms
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*/
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class QWT_EXPORT QwtClipper
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{
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public:
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static QPolygon clipPolygon( const QRect &,
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const QPolygon &, bool closePolygon = false );
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static QPolygon clipPolygon( const QRectF &,
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const QPolygon &, bool closePolygon = false );
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static QPolygonF clipPolygonF( const QRectF &,
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const QPolygonF &, bool closePolygon = false );
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static QVector<QwtInterval> clipCircle(
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const QRectF &, const QPointF &, double radius );
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};
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#endif
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