Qwt User's Guide 6.1.2

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qwt_clipper.h
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
18 class QRect;
19 class QRectF;
20
25 class QWT_EXPORT QwtClipper
26 {
27 public:
28 static QPolygon clipPolygon( const QRect &,
29 const QPolygon &, bool closePolygon = false );
30 static QPolygon clipPolygon( const QRectF &,
31 const QPolygon &, bool closePolygon = false );
32
33 static QPolygonF clipPolygonF( const QRectF &,
34 const QPolygonF &, bool closePolygon = false );
35
36 static QVector<QwtInterval> clipCircle(
37 const QRectF &, const QPointF &, double radius );
38 };
39
40 #endif
QwtClipper
Some clipping algorithms.
Definition: qwt_clipper.h:25