# 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