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QwtClipper
Langue: en
Version: 376063 (fedora - 01/12/10)
Section: 3 (Bibliothèques de fonctions)
Sommaire
- NAME
- SYNOPSIS
- Detailed Description
- Member Function Documentation
- QwtArray< QwtDoubleInterval > QwtClipper::clipCircle (const QwtDoubleRect & clipRect, const QwtDoublePoint & center, double radius) [static]Circle clipping
- QwtPolygon QwtClipper::clipPolygon (const QRect & clipRect, const QwtPolygon & polygon) [static]Sutherland-Hodgman polygon clipping
- QwtPolygonF QwtClipper::clipPolygonF (const QwtDoubleRect & clipRect, const QwtPolygonF & polygon) [static]Sutherland-Hodgman polygon clipping
- Author
NAME
QwtClipper -Some clipping algos.
SYNOPSIS
#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)
Detailed Description
Some clipping algos.
Member Function Documentation
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.
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
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