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40 lines
1.0 KiB
40 lines
1.0 KiB
/* -*- 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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