#include <qwt_clipper.h>
Static Public Member Functions | |
| static QwtPolygon | clipPolygon (const QRect &, const QwtPolygon &) |
| static QwtPolygonF | clipPolygonF (const QwtDoubleRect &, const QwtPolygonF &) |
| static QwtArray < QwtDoubleInterval > | clipCircle (const QwtDoubleRect &, const QwtDoublePoint &, double radius) |
| QwtArray< QwtDoubleInterval > QwtClipper::clipCircle | ( | const QwtDoubleRect & | clipRect, | |
| const QwtDoublePoint & | center, | |||
| double | radius | |||
| ) | [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.
| clipRect | Clip rectangle | |
| center | Center of the circle | |
| radius | Radius of the circle |
| QwtPolygon QwtClipper::clipPolygon | ( | const QRect & | clipRect, | |
| const QwtPolygon & | polygon | |||
| ) | [static] |
Sutherland-Hodgman polygon clipping
| clipRect | Clip rectangle | |
| polygon | Polygon |
| QwtPolygonF QwtClipper::clipPolygonF | ( | const QwtDoubleRect & | clipRect, | |
| const QwtPolygonF & | polygon | |||
| ) | [static] |
Sutherland-Hodgman polygon clipping
| clipRect | Clip rectangle | |
| polygon | Polygon |
1.5.8