qgsarrowsymbollayer.cpp File Reference

#include "qgsarrowsymbollayer.h"

Include dependency graph for qgsarrowsymbollayer.cpp:

Go to the source code of this file.

Functions
QPointF	circlePoint (const QPointF &center, qreal radius, qreal angle)
qreal	clampAngle (qreal a)
QPolygonF	curvedArrow (QPointF po, QPointF pm, QPointF pd, qreal startWidth, qreal width, qreal headWidth, qreal headHeight, QgsArrowSymbolLayer::HeadType headType, QgsArrowSymbolLayer::ArrowType arrowType, qreal offset)
qreal	euclidian_distance (const QPointF &po, const QPointF &pd)
void	pathArcTo (QPainterPath &path, const QPointF &circleCenter, qreal circleRadius, qreal angle_o, qreal angle_d, int direction)
bool	pointsToCircle (const QPointF &a, const QPointF &b, const QPointF &c, QPointF &center, qreal &radius)
	Compute the circumscribed circle from three points. More...
void	spiralArcTo (QPainterPath &path, const QPointF &center, qreal startAngle, qreal startRadius, qreal endAngle, qreal endRadius, int direction)
QPolygonF	straightArrow (QPointF po, QPointF pd, qreal startWidth, qreal width, qreal headWidth, qreal headHeight, QgsArrowSymbolLayer::HeadType headType, QgsArrowSymbolLayer::ArrowType arrowType, qreal offset)

Function Documentation

circlePoint()

QPointF circlePoint	(	const QPointF &	center,
		qreal	radius,
		qreal	angle
	)

Definition at line 388 of file qgsarrowsymbollayer.cpp.

clampAngle()

qreal clampAngle ( qreal  a )

inline

Definition at line 333 of file qgsarrowsymbollayer.cpp.

curvedArrow()

QPolygonF curvedArrow	(	QPointF	po,
		QPointF	pm,
		QPointF	pd,
		qreal	startWidth,
		qreal	width,
		qreal	headWidth,
		qreal	headHeight,
		QgsArrowSymbolLayer::HeadType	headType,
		QgsArrowSymbolLayer::ArrowType	arrowType,
		qreal	offset
	)

Definition at line 462 of file qgsarrowsymbollayer.cpp.

euclidian_distance()

qreal euclidian_distance ( const QPointF &  po, const QPointF &  pd  )

inline

Definition at line 203 of file qgsarrowsymbollayer.cpp.

pathArcTo()

void pathArcTo	(	QPainterPath &	path,
		const QPointF &	circleCenter,
		qreal	circleRadius,
		qreal	angle_o,
		qreal	angle_d,
		int	direction
	)

Definition at line 394 of file qgsarrowsymbollayer.cpp.

pointsToCircle()

bool pointsToCircle	(	const QPointF &	a,
		const QPointF &	b,
		const QPointF &	c,
		QPointF &	center,
		qreal &	radius
	)

Compute the circumscribed circle from three points.

Returns

false if the three points are colinear

Definition at line 346 of file qgsarrowsymbollayer.cpp.

spiralArcTo()

void spiralArcTo	(	QPainterPath &	path,
		const QPointF &	center,
		qreal	startAngle,
		qreal	startRadius,
		qreal	endAngle,
		qreal	endRadius,
		int	direction
	)

Definition at line 414 of file qgsarrowsymbollayer.cpp.

straightArrow()

QPolygonF straightArrow	(	QPointF	po,
		QPointF	pd,
		qreal	startWidth,
		qreal	width,
		qreal	headWidth,
		qreal	headHeight,
		QgsArrowSymbolLayer::HeadType	headType,
		QgsArrowSymbolLayer::ArrowType	arrowType,
		qreal	offset
	)

Definition at line 208 of file qgsarrowsymbollayer.cpp.