Qwt User's Guide: qwt_clipper.h Source File

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qwt_clipper.h

00001 /* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
00002  * Qwt Widget Library
00003  * Copyright (C) 1997   Josef Wilgen
00004  * Copyright (C) 2002   Uwe Rathmann
00005  * 
00006  * This library is free software; you can redistribute it and/or
00007  * modify it under the terms of the Qwt License, Version 1.0
00008  *****************************************************************************/
00009 
00010 #ifndef QWT_CLIPPER_H
00011 #define QWT_CLIPPER_H
00012 
00013 #include "qwt_global.h"
00014 #include "qwt_array.h"
00015 #include "qwt_polygon.h"
00016 #include "qwt_double_rect.h"
00017 #include "qwt_double_interval.h"
00018 
00019 class QRect;
00020 
00025 class QWT_EXPORT QwtClipper
00026 {
00027 public:
00028     static QwtPolygon clipPolygon(const QRect &, const QwtPolygon &);
00029     static QwtPolygonF clipPolygonF(const QwtDoubleRect &, const QwtPolygonF &);
00030 
00031 #if QT_VERSION >= 0x040000
00032     static QwtArray<QwtDoubleInterval> clipCircle(
00033         const QwtDoubleRect &, const QwtDoublePoint &, double radius);
00034 #endif
00035 };
00036 
00037 #endif

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