QwtClipper Class Reference

Some clipping algos. More...

#include <qwt_clipper.h>

List of all members.

Static Public Member Functions
static QwtPolygon	clipPolygon (const QRect &, const QwtPolygon &)
static QwtPolygonF	clipPolygonF (const QwtDoubleRect &, const QwtPolygonF &)

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Detailed Description

Some clipping algos.

Definition at line 25 of file qwt_clipper.h.

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Member Function Documentation

QwtPolygon QwtClipper::clipPolygon	(	const QRect &	clipRect,
		const QwtPolygon &	polygon
	)		[static]

Sutherland-Hodgman polygon clipping

Parameters:

clipRect	Clip rectangle
polygon	Polygon

Returns:

Clipped polygon

Definition at line 479 of file qwt_clipper.cpp.

References QwtPolygonClipper::clipPolygon().

Referenced by QwtRect::clip(), QwtPlotCurve::drawDots(), QwtPlotCurve::drawLines(), QwtPainter::drawPolygon(), QwtPainter::drawPolyline(), and QwtPlotCurve::drawSteps().

{
    QwtPolygonClipper clipper(clipRect);
    return clipper.clipPolygon(polygon);
}

QwtPolygonF QwtClipper::clipPolygonF	(	const QwtDoubleRect &	clipRect,
		const QwtPolygonF &	polygon
	)		[static]

Sutherland-Hodgman polygon clipping

Parameters:

clipRect	Clip rectangle
polygon	Polygon

Returns:

Clipped polygon

Definition at line 494 of file qwt_clipper.cpp.

References QwtPolygonClipperF::clipPolygon().

{
    QwtPolygonClipperF clipper(clipRect);
    return clipper.clipPolygon(polygon);
}

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The documentation for this class was generated from the following files:

• qwt_clipper.h
• qwt_clipper.cpp