DsEllipse Class Reference

DsEllipse is a class that represents a 2D ellipse (Xc, Yc, Rx, Ry) More...

#include <ds_geometry.h>

Inheritance diagram for DsEllipse:

Public Member Functions
	DsEllipse ()
	Creates a DsEllipse object initialized to (center = (0, 0), radius = (0, 0)).
	DsEllipse (float xc, float yc, float rx, float ry)
	Creates a DsEllipse object.
	DsEllipse (DsFPoint center, DsFSize radius)
	Creates a DsEllipse object.
	DsEllipse (DsFSize radius)
	Creates a DsEllipse object initialized to a circle (horizontal and vertical radius are equal)
	DsEllipse (float radius)
	Creates a DsEllipse object initialized to a circle (horizontal and vertical radius are equal)
	DsEllipse (DsFPoint center, float radius)
	Creates a DsEllipse object initialized to a circle (horizontal and vertical radius are equal)
DsFRect	move (const DsFPoint &offset) override final
	Moves the current DsEllipse object by a specified 2D offset.
pair< float, float >	getVerticalRange (float x) const override final
pair< float, float >	getHorizontalRange (float y) const override final
DsFRect	getRect (void) const override final
void	rotate (const DsSurface &surface) override final
void	setRadius (DsFSize radius)
void	setRect (const DsFRect &rect)
float	getRadiusAtAngle (float angle)
DsFPoint	getPointAtAngle (float angle)
DsFRect	computeArcBoundary (float start_angle, float end_angle, bool include_center)

Static Public Member Functions
static void	computeArcBoundary (float start_angle, float end_angle, bool include_center, float &left, float &right, float &top, float &bottom)

Public Attributes
DsFPoint	center
	ellipse center coordinates
DsFSize	radius
	ellipse radius

Detailed Description

DsEllipse is a class that represents a 2D ellipse (Xc, Yc, Rx, Ry)

Constructor & Destructor Documentation

DsEllipse() [1/5]

DsEllipse::DsEllipse ( float  xc, float  yc, float  rx, float  ry  )

inline

Creates a DsEllipse object.

Parameters

xc	X coordinate of the top left corner
yc	Y coordinate of the top left corner
rx	Hporizontal radius
ry	Vertical radius

DsEllipse() [2/5]

DsEllipse::DsEllipse ( DsFPoint  center, DsFSize  radius  )

inline

Creates a DsEllipse object.

Parameters

center	Coordinate of the center
radius	Radius in pixels in the (X, Y) dimensions

DsEllipse() [3/5]

DsEllipse::DsEllipse ( DsFSize  radius )

inline

Creates a DsEllipse object initialized to a circle (horizontal and vertical radius are equal)

Parameters

radius

Radius in pixels in the (X, Y) dimensions

DsEllipse() [4/5]

DsEllipse::DsEllipse ( float  radius )

inline

Creates a DsEllipse object initialized to a circle (horizontal and vertical radius are equal)

Parameters

radius

Radius in pixels

DsEllipse() [5/5]

DsEllipse::DsEllipse ( DsFPoint  center, float  radius  )

inline

Creates a DsEllipse object initialized to a circle (horizontal and vertical radius are equal)

Parameters

center	Coordinate of the center
radius	Radius in pixels

Member Function Documentation

getHorizontalRange()

pair< float, float > DsEllipse::getHorizontalRange ( float  y ) const

finaloverridevirtual

Implements DsRegion.

getRect()

DsFRect DsEllipse::getRect ( void  ) const

finaloverridevirtual

Implements DsRegion.

getVerticalRange()

pair< float, float > DsEllipse::getVerticalRange ( float  x ) const

finaloverridevirtual

Implements DsRegion.

move()

DsFRect DsEllipse::move ( const DsFPoint &  offset )

inlinefinaloverridevirtual

Moves the current DsEllipse object by a specified 2D offset.

Parameters

offset

Offset (x, y)

Returns

Current DsFRect object that contains the ellipse

Implements DsRegion.

rotate()

void DsEllipse::rotate ( const DsSurface &  surface )

finaloverridevirtual

Implements DsRegion.

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

• inc/ds_geometry.h