Qwt User's Guide 5.2.3

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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_array.h"
15 #include "qwt_polygon.h"
16 #include "qwt_double_rect.h"
17 #include "qwt_double_interval.h"
18
19 class QRect;
20
25 class QWT_EXPORT QwtClipper
26 {
27 public:
28 static QwtPolygon clipPolygon(const QRect &, const QwtPolygon &);
29 static QwtPolygonF clipPolygonF(const QwtDoubleRect &, const QwtPolygonF &);
30
31 #if QT_VERSION >= 0x040000
32 static QwtArray<QwtDoubleInterval> clipCircle(
33 const QwtDoubleRect &, const QwtDoublePoint &, double radius);
34 #endif
35 };
36
37 #endif