QwtClipper Namespace Reference

Namespace for clipping algorithms . More...

Functions
QWT_EXPORT void	clipPolygon (const QRect &, QPolygon &, bool closePolygon=false)
	Sutherland-Hodgman polygon clipping algorithm (integer coordinates)
QWT_EXPORT void	clipPolygon (const QRectF &, QPolygon &, bool closePolygon=false)
	Sutherland-Hodgman polygon clipping algorithm.
QWT_EXPORT void	clipPolygonF (const QRectF &, QPolygonF &, bool closePolygon=false)
	Sutherland-Hodgman polygon clipping algorithm (float coordinates)
QWT_EXPORT QPolygon	clippedPolygon (const QRect &, const QPolygon &, bool closePolygon=false)
	Return clipped polygon (integer rectangle)
QWT_EXPORT QPolygon	clippedPolygon (const QRectF &, const QPolygon &, bool closePolygon=false)
	Return clipped polygon (float rectangle)
QWT_EXPORT QPolygonF	clippedPolygonF (const QRectF &, const QPolygonF &, bool closePolygon=false)
	Return clipped float polygon.
QWT_EXPORT QVector< QwtInterval >	clipCircle (const QRectF &, const QPointF &, double radius)
	Clip circle and return arcs as intervals.

Detailed Description

Namespace for clipping algorithms .

Function Documentation

clipCircle()

QVector< QwtInterval > QwtClipper::clipCircle	(	const QRectF &	clipRect,
		const QPointF &	center,
		double	radius
	)

Clip circle and return arcs as intervals.

clippedPolygon() [1/2]

QPolygon QwtClipper::clippedPolygon	(	const QRect &	clipRect,
		const QPolygon &	polygon,
		bool	closePolygon = false
	)

Return clipped polygon (integer rectangle)

clippedPolygon() [2/2]

QPolygon QwtClipper::clippedPolygon	(	const QRectF &	clipRect,
		const QPolygon &	polygon,
		bool	closePolygon = false
	)

Return clipped polygon (float rectangle)

clippedPolygonF()

QPolygonF QwtClipper::clippedPolygonF	(	const QRectF &	clipRect,
		const QPolygonF &	polygon,
		bool	closePolygon = false
	)

Return clipped float polygon.

clipPolygon() [1/2]

void QwtClipper::clipPolygon	(	const QRect &	clipRect,
		QPolygon &	polygon,
		bool	closePolygon = false
	)

Sutherland-Hodgman polygon clipping algorithm (integer coordinates)

clipPolygon() [2/2]

void QwtClipper::clipPolygon	(	const QRectF &	clipRect,
		QPolygon &	polygon,
		bool	closePolygon = false
	)

Sutherland-Hodgman polygon clipping algorithm.

clipPolygonF()

void QwtClipper::clipPolygonF	(	const QRectF &	clipRect,
		QPolygonF &	polygon,
		bool	closePolygon = false
	)

Sutherland-Hodgman polygon clipping algorithm (float coordinates)