Circle Class Reference

A subclass of Shape that represents a Circle in 2D space. More...

#include <circle.h>

Inheritance diagram for Circle:

Collaboration diagram for Circle:

Public Member Functions
	Circle (const Vector2 &center, const cs225::HSLAPixel &color, int radius)
	Constructs a new Circle with the given center, color, and radius. More...
int	area () const
	Computes and returns the area of the Circle in pixels. More...
int	perimeter () const
	Computes and returns the perimeter of the Circle in pixels. More...
bool	contains (const Vector2 &p) const
	Checks to see if the given point is inside the Circle. More...
void	draw (cs225::PNG *canvas) const
	Draws the Circle to the canvas. More...
int	radius () const
	Gets the radius of the Circle in pixels. More...
void	set_radius (int radius)
	Sets the radius of the Circle in pixels. More...
Public Member Functions inherited from Shape
	Shape ()
	Constructs a new Shape with a default color and center. More...
	Shape (const Vector2 &center, const cs225::HSLAPixel &color)
	Constructs a new Shape with the given center and color. More...
	~Shape ()
int	area () const
	Computes and returns the area of the Shape in pixels. More...
int	perimeter () const
	Computes and returns the perimeter of the Shape in pixels. More...
bool	contains (const Vector2 &p) const
	Checks to see if the Vector2 p is contained inside of the Shape. More...
Vector2	center () const
	Gets the center Vector2 of the Shape. More...
virtual void	set_center (const Vector2 &center)
	Sets the center Vector2 of the Shape. More...
cs225::HSLAPixel	color () const
	Gets the color of the Shape. More...
void	draw (cs225::PNG *canvas) const
	This method will draw the object onto the canvas. More...
Public Member Functions inherited from Drawable
	~Drawable ()

Private Member Functions
void	drawPoints (cs225::PNG *canvas, int x, int y) const

Private Attributes
int	radius_

Additional Inherited Members
Protected Attributes inherited from Shape
Vector2	center_

Detailed Description

A subclass of Shape that represents a Circle in 2D space.

Constructor & Destructor Documentation

Circle()

Circle::Circle	(	const Vector2 &	center,
		const cs225::HSLAPixel &	color,
		int	radius
	)

Constructs a new Circle with the given center, color, and radius.

Parameters

center	point of the new Circle
color	of the new Circle
radius	of the new Circle in pixels

Member Function Documentation

area()

int Circle::area

(

)

const

Computes and returns the area of the Circle in pixels.

Returns

the area of the Circle in pixels

contains()

bool Circle::contains

(

const Vector2 &

p

)

const

Checks to see if the given point is inside the Circle.

Parameters

p

Returns

true if p is inside the Circle

draw()

void Circle::draw ( cs225::PNG *  canvas ) const

virtual

Draws the Circle to the canvas.

Parameters

canvas

Implements Drawable.

drawPoints()

void Circle::drawPoints ( cs225::PNG *  canvas, int  x, int  y  ) const

private

perimeter()

int Circle::perimeter

(

)

const

Computes and returns the perimeter of the Circle in pixels.

Returns

the perimeter of the Circle in pixels

radius()

int Circle::radius

(

)

const

Gets the radius of the Circle in pixels.

Returns

the radius of the Circle in pixels

set_radius()

void Circle::set_radius

(

int

radius

)

Sets the radius of the Circle in pixels.

Parameters

radius

the new radius of the Circle in pixels

Member Data Documentation

radius_

int Circle::radius_

private

---

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

• circle.h
• circle.cpp