stanford.androidlib.graphics

Class GOval

java.lang.Object

stanford.androidlib.graphics.GObject

stanford.androidlib.graphics.GOval

All Implemented Interfaces:

GFillable, GResizable, GScalable

public class GOval
extends GObject
implements GFillable, GResizable, GScalable

The GOval class is a graphical object whose appearance consists of an oval.

Constructor Summary

Constructors

Constructor and Description
GOval() Constructs a new 0x0 oval, positioned at the origin.
GOval(float width, float height) Constructs a new oval with the specified width and height, positioned at the origin.
GOval(float x, float y, float width, float height) Constructs a new oval with the specified bounds.
GOval(GCanvas canvas) Constructs a new 0x0 oval, positioned at the origin.
GOval(GCanvas canvas, float width, float height) Constructs a new oval with the specified width and height, positioned at the origin.
GOval(GCanvas canvas, float x, float y, float width, float height) Constructs a new oval with the specified bounds.

Method Summary

Modifier and Type	Method and Description
boolean	contains(float x, float y) Checks to see whether a point is inside the object.
void	paint(Canvas canvas) Implements the paint operation for this graphical object.

Methods inherited from class stanford.androidlib.graphics.GObject

addTo, addTo, addTo, contains, getBottomY, getBounds, getCenterX, getCenterY, getColor, getFillColor, getGCanvas, getHeight, getLeftX, getLocation, getPaint, getRightX, getSize, getTopY, getWidth, getX, getY, intersects, isFilled, isVisible, moveBy, moveByPolar, moveTo, moveTo, moveTo, moveToPolar, remove, repaint, scale, scale, sendBackward, sendForward, sendToBack, sendToFront, setBottomY, setBounds, setBounds, setBounds, setCanvas, setColor, setFillColor, setFilled, setGCanvas, setLocation, setLocation, setLocation, setPaint, setRightX, setSize, setSize, setVisible, setX, setY, toString, translate

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface stanford.androidlib.graphics.GFillable

getFillColor, isFilled, setFillColor, setFilled

Methods inherited from interface stanford.androidlib.graphics.GResizable

setBounds, setBounds, setSize, setSize

Methods inherited from interface stanford.androidlib.graphics.GScalable

scale, scale

Constructor Detail

GOval

public GOval()

Constructs a new 0x0 oval, positioned at the origin.

Usage:

GOval goval = new GOval();

GOval

public GOval(float width,
             float height)

Constructs a new oval with the specified width and height, positioned at the origin.

Parameters:

width - The width of the oval in pixels

height - The height of the oval in pixels

Usage:

GOval goval = new GOval(width, height);

GOval

public GOval(float x,
             float y,
             float width,
             float height)

Constructs a new oval with the specified bounds.

Parameters:

x - The x-coordinate of the upper left corner

y - The y-coordinate of the upper left corner

width - The width of the oval in pixels

height - The height of the oval in pixels

Usage:

GOval goval = new GOval(x, y, width, height);

GOval

public GOval(GCanvas canvas)

Constructs a new 0x0 oval, positioned at the origin.

Usage:

GOval goval = new GOval();

GOval

public GOval(GCanvas canvas,
             float width,
             float height)

Constructs a new oval with the specified width and height, positioned at the origin.

Parameters:

width - The width of the oval in pixels

height - The height of the oval in pixels

Usage:

GOval goval = new GOval(width, height);

GOval

public GOval(GCanvas canvas,
             float x,
             float y,
             float width,
             float height)

Constructs a new oval with the specified bounds.

Parameters:

x - The x-coordinate of the upper left corner

y - The y-coordinate of the upper left corner

width - The width of the oval in pixels

height - The height of the oval in pixels

Usage:

GOval goval = new GOval(x, y, width, height);

Method Detail

contains

public boolean contains(float x,
                        float y)

Checks to see whether a point is inside the object.

Overrides:

contains in class GObject

Parameters:

x - The x-coordinate of the point being tested

y - The y-coordinate of the point being tested

Returns:

true if the point (x, y) is inside the object, and false otherwise

Usage:

if (goval.contains(x, y)) . . .

paint

public void paint(Canvas canvas)

Implements the paint operation for this graphical object. This method is not called directly by clients.

Specified by:

paint in class GObject

Noshow: