#include <CairoArc.H>

Inheritance diagram for CairoArc:

Public Member Functions
	CairoArc ()
	Empty constructor. More...

	CairoArc (cairo_t *cr, double x, double y, double radiusIn, double angleStart, double angleEnd, bool fillIn)

virtual	~CairoArc ()

void	settings (double radiusIn, double angleStart, double angleEnd, bool fillIn)

void	draw (cairo_t *cr, double x, double y, bool fillIn)

void	draw (cairo_t *cr, double x, double y, double radiusIn)

void	draw (cairo_t *cr, double x, double y, double radiusIn, bool fillIn)

void	draw (cairo_t *cr, double x, double y, double angleStart, double angleEnd, bool fillIn)

void	draw (cairo_t *cr, double x, double y, double radiusIn, double angleStart, double angleEnd)

void	draw (cairo_t *cr, double x, double y, double radiusIn, double angleStart, double angleEnd, bool fillIn)

void	draw (cairo_t *cr, double x, double y)

double	getRadius ()

double	getAngleStart ()

double	getAngleEnd ()

Protected Attributes
double	radius
	The radius of the circle. More...

double	thetaStart

double	thetaEnd
	The angles from start to end. More...

bool	filled
	Whether to fill the box. More...

Detailed Description

Given a Cairo context, draw an arc. The arc is specified by a central point (x, y) the radius and a starting, ending angle and whether it is filled or not. Assumes that the Cairo context is already configured for line width and colour.

Examples:: CairoCircleTest.C.

Definition at line 36 of file CairoArc.H.

Constructor & Destructor Documentation

◆ CairoArc() [1/2]

CairoArc::CairoArc ( )

inline

Empty constructor.

Definition at line 43 of file CairoArc.H.

◆ CairoArc() [2/2]

CairoArc::CairoArc	(	cairo_t *	cr,
		double	x,
		double	y,
		double	radiusIn,
		double	angleStart,
		double	angleEnd,
		bool	fillIn
	)

inline

Constructor which draws an arc at a particular location. This constructor also stores the various member variables for radius, angle and fill state.

Parameters

x	The x location to draw use as the center.
y	The y location to draw use as the center.
radiusIn	The radius to draw the arc to.
angleStart	The starting angle
angleEnd	The ending angle
bool	fillIn Whether the fill or not.

Definition at line 59 of file CairoArc.H.

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◆ ~CairoArc()

virtual CairoArc::~CairoArc ( )

inlinevirtual

Definition at line 63 of file CairoArc.H.

Member Function Documentation

◆ draw() [1/7]

void CairoArc::draw	(	cairo_t *	cr,
		double	x,
		double	y,
		bool	fillIn
	)

inline

Draw the arc at a particular location.

Parameters

x	The x location to draw use as the center.
y	The y location to draw use as the center.
bool	fillIn Whether the fill or not.

Examples:: CairoCircleTest.C.

Definition at line 82 of file CairoArc.H.

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◆ draw() [2/7]

void CairoArc::draw	(	cairo_t *	cr,
		double	x,
		double	y,
		double	radiusIn
	)

inline

Draw the arc at a particular location.

Parameters

x	The x location to draw use as the center.
y	The y location to draw use as the center.
radiusIn	The radius to draw the arc to.

Definition at line 92 of file CairoArc.H.

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◆ draw() [3/7]

void CairoArc::draw	(	cairo_t *	cr,
		double	x,
		double	y,
		double	radiusIn,
		bool	fillIn
	)

inline

Draw the arc at a particular location.

Parameters

x	The x location to draw use as the center.
y	The y location to draw use as the center.
radiusIn	The radius to draw the arc to.
bool	fillIn Whether the fill or not.

Definition at line 103 of file CairoArc.H.

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◆ draw() [4/7]

void CairoArc::draw	(	cairo_t *	cr,
		double	x,
		double	y,
		double	angleStart,
		double	angleEnd,
		bool	fillIn
	)

inline

Draw the arc at a particular location.

Parameters

x	The x location to draw use as the center.
y	The y location to draw use as the center.
angleStart	The starting angle
angleEnd	The ending angle
bool	fillIn Whether the fill or not.

Definition at line 115 of file CairoArc.H.

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◆ draw() [5/7]

void CairoArc::draw	(	cairo_t *	cr,
		double	x,
		double	y,
		double	radiusIn,
		double	angleStart,
		double	angleEnd
	)

inline

Draw the arc at a particular location.

Parameters

x	The x location to draw use as the center.
y	The y location to draw use as the center.
radiusIn	The radius to draw the arc to.
angleStart	The starting angle
angleEnd	The ending angle

Definition at line 127 of file CairoArc.H.

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◆ draw() [6/7]

void CairoArc::draw	(	cairo_t *	cr,
		double	x,
		double	y,
		double	radiusIn,
		double	angleStart,
		double	angleEnd,
		bool	fillIn
	)

inline

Draw the arc at a particular location.

Parameters

x	The x location to draw use as the center.
y	The y location to draw use as the center.
radiusIn	The radius to draw the arc to.
angleStart	The starting angle
angleEnd	The ending angle
bool	fillIn Whether the fill or not.

Definition at line 140 of file CairoArc.H.

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◆ draw() [7/7]

void CairoArc::draw	(	cairo_t *	cr,
		double	x,
		double	y
	)

inline

Draw the arc at a particular location.

Parameters

cr	The cairo context to draw to.
x	The x location to draw use as the center.
y	The y location to draw use as the center.

Definition at line 150 of file CairoArc.H.

◆ getAngleEnd()

double CairoArc::getAngleEnd ( )

inline

Find the ending angle

Returns: The angle to stop drawing at.

Definition at line 178 of file CairoArc.H.

◆ getAngleStart()

double CairoArc::getAngleStart ( )

inline

Find the starting angle

Returns: The angle to start drawing from.

Definition at line 171 of file CairoArc.H.

◆ getRadius()

double CairoArc::getRadius ( )

inline

Find the radius

Returns: The radius currently used to draw with.

Definition at line 164 of file CairoArc.H.

◆ settings()

void CairoArc::settings	(	double	radiusIn,
		double	angleStart,
		double	angleEnd,
		bool	fillIn
	)

inline

Change the drawing settings.

Parameters

radiusIn	The radius to draw the arc to.
angleStart	The starting angle
angleEnd	The ending angle
bool	fillIn Whether the fill or not.

Definition at line 71 of file CairoArc.H.

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Member Data Documentation

◆ filled

bool CairoArc::filled

protected

Whether to fill the box.

Definition at line 40 of file CairoArc.H.

◆ radius

double CairoArc::radius

protected

The radius of the circle.

Definition at line 38 of file CairoArc.H.

◆ thetaEnd

double CairoArc::thetaEnd

protected

The angles from start to end.

Definition at line 39 of file CairoArc.H.

◆ thetaStart

double CairoArc::thetaStart

protected

Definition at line 39 of file CairoArc.H.

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

/tmp/gtkiostream/include/CairoArc.H

Public Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ CairoArc() [1/2]

◆ CairoArc() [2/2]

◆ ~CairoArc()

Member Function Documentation

◆ draw() [1/7]

◆ draw() [2/7]

◆ draw() [3/7]

◆ draw() [4/7]

◆ draw() [5/7]

◆ draw() [6/7]

◆ draw() [7/7]

◆ getAngleEnd()

◆ getAngleStart()

◆ getRadius()

◆ settings()

Member Data Documentation

◆ filled

◆ radius

◆ thetaEnd

◆ thetaStart