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NAME

       QwtClipper -

       Some clipping algos.

SYNOPSIS

       #include <qwt_clipper.h>

   Static Public Member Functions
       static QwtArray< QwtDoubleInterval > clipCircle (const QwtDoubleRect &, const
           QwtDoublePoint &, double radius)
       static QwtPolygon clipPolygon (const QRect &, const QwtPolygon &)
       static QwtPolygonF clipPolygonF (const QwtDoubleRect &, const QwtPolygonF &)

Detailed Description

       Some clipping algos.

Member Function Documentation

   QwtArray< QwtDoubleInterval > QwtClipper::clipCircle (const QwtDoubleRect &clipRect, const
       QwtDoublePoint &center, doubleradius) [static] Circle clipping
       clipCircle() devides a circle into intervals of angles representing arcs of the circle.
       When the circle is completely inside the clip rectangle an interval [0.0, 2 * M_PI] is
       returned.

       Parameters:
           clipRect Clip rectangle
           center Center of the circle
           radius Radius of the circle

       Returns:
           Arcs of the circle

   QwtPolygon QwtClipper::clipPolygon (const QRect &clipRect, const QwtPolygon &polygon) [static]
       Sutherland-Hodgman polygon clipping
       Parameters:
           clipRect Clip rectangle
           polygon Polygon

       Returns:
           Clipped polygon

   QwtPolygonF QwtClipper::clipPolygonF (const QwtDoubleRect &clipRect, const QwtPolygonF
       &polygon) [static] Sutherland-Hodgman polygon clipping
       Parameters:
           clipRect Clip rectangle
           polygon Polygon

       Returns:
           Clipped polygon

Author

       Generated automatically by Doxygen for Qwt User's Guide from the source code.