source: ntrip/trunk/BNC/qwt/qwt_clipper.h@ 6267

Last change on this file since 6267 was 4271, checked in by mervart, 12 years ago
File size: 954 bytes
Line 
1/* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
2 * Qwt Widget Library
3 * Copyright (C) 1997 Josef Wilgen
4 * Copyright (C) 2002 Uwe Rathmann
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the Qwt License, Version 1.0
8 *****************************************************************************/
9
10#ifndef QWT_CLIPPER_H
11#define QWT_CLIPPER_H
12
13#include "qwt_global.h"
14#include "qwt_interval.h"
15#include <qpolygon.h>
16#include <qvector.h>
17
18class QRect;
19class QRectF;
20
21/*!
22 \brief Some clipping algos
23*/
24
25class QWT_EXPORT QwtClipper
26{
27public:
28 static QPolygon clipPolygon( const QRect &,
29 const QPolygon &, bool closePolygon = false );
30 static QPolygonF clipPolygonF( const QRectF &,
31 const QPolygonF &, bool closePolygon = false );
32
33 static QVector<QwtInterval> clipCircle(
34 const QRectF &, const QPointF &, double radius );
35};
36
37#endif
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