table of contents
conflicting packages
QwtClipper(3) | Qwt User's Guide | QwtClipper(3) |
NAME¶
QwtClipper - Some clipping algos.SYNOPSIS¶
#include <qwt_clipper.h>Static Public Member Functions¶
static QPolygon clipPolygon (const QRect &, const QPolygon &, bool closePolygon=false)
Detailed Description¶
Some clipping algos.Member Function Documentation¶
QVector< QwtInterval > QwtClipper::clipCircle (const QRectF &clipRect, const QPointF ¢er, 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
QPolygon QwtClipper::clipPolygon (const QRect &clipRect, const QPolygon &polygon, boolclosePolygon = false) [static] Sutherland-Hodgman polygon clipping¶
Parameters:clipRect Clip rectangle
polygon Polygon
closePolygon True, when the polygon is closed
Returns:
Clipped polygon
QPolygonF QwtClipper::clipPolygonF (const QRectF &clipRect, const QPolygonF &polygon, boolclosePolygon = false) [static] Sutherland-Hodgman polygon clipping¶
Parameters:clipRect Clip rectangle
polygon Polygon
closePolygon True, when the polygon is closed
Returns:
Clipped polygon
Author¶
Generated automatically by Doxygen for Qwt User's Guide from the source code.Fri Apr 15 2011 | Version 6.0.0 |