text: /* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
   * Qwt Widget Library
   * Copyright (C) 1997   Josef Wilgen
   * Copyright (C) 2002   Uwe Rathmann
   * 
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the Qwt License, Version 1.0
   *****************************************************************************/
  
  #ifndef QWT_CLIPPER_H
  #define QWT_CLIPPER_H
  
  #include "qwt_global.h"
  #include "qwt_array.h"
  #include "qwt_polygon.h"
  #include "qwt_double_rect.h"
  #include "qwt_double_interval.h"
  
  class QRect;
  
  /*!
    \brief Some clipping algos
  */
  
  class QWT_EXPORT QwtClipper
  {
  public:
      static QwtPolygon clipPolygon(const QRect &, const QwtPolygon &);
      static QwtPolygonF clipPolygonF(const QwtDoubleRect &, const QwtPolygonF &);
  
  #if QT_VERSION >= 0x040000
      static QwtArray<QwtDoubleInterval> clipCircle(
          const QwtDoubleRect &, const QwtDoublePoint &, double radius);
  #endif
  };
  
  #endif
  