pythagoras.f

Class Rectangle

java.lang.Object

pythagoras.f.RectangularShape

pythagoras.f.AbstractRectangle

pythagoras.f.Rectangle

All Implemented Interfaces:

Serializable, Cloneable, IRectangle, IRectangularShape, IShape

public class Rectangle
extends AbstractRectangle
implements Serializable

Represents an area in two dimensions.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
float	height The height of the rectangle.
float	width The width of the rectangle.
float	x The x-coordinate of the rectangle's upper left corner.
float	y The y-coordinate of the rectangle's upper left corner.

Fields inherited from interface pythagoras.f.IRectangle

OUT_BOTTOM, OUT_LEFT, OUT_RIGHT, OUT_TOP

Constructor Summary

Constructors

Constructor and Description
Rectangle() Constructs a rectangle at (0,0) and with dimensions (0,0).
Rectangle(float x, float y, float width, float height) Constructs a rectangle with the specified upper-left corner and dimensions.
Rectangle(IDimension d) Constructs a rectangle with upper-left corner at (0,0) and the supplied dimensions.
Rectangle(IRectangle r) Constructs a rectangle with bounds equal to the supplied rectangle.
Rectangle(XY p) Constructs a rectangle with the supplied upper-left corner and dimensions (0,0).
Rectangle(XY p, IDimension d) Constructs a rectangle with upper-left corner at the supplied point and with the supplied dimensions.

Method Summary

Modifier and Type	Method and Description
void	add(float px, float py) Expands the bounds of this rectangle to contain the specified point.
void	add(IRectangle r) Expands the bounds of this rectangle to contain the supplied rectangle.
void	add(XY p) Expands the bounds of this rectangle to contain the supplied point.
void	grow(float dx, float dy) Grows the bounds of this rectangle by the specified amount (i.e.
float	height() Returns the height of the framing rectangle.
void	setBounds(float x, float y, float width, float height) Sets the bounds of this rectangle to the specified bounds.
void	setBounds(IRectangle r) Sets the bounds of this rectangle to those of the supplied rectangle.
void	setFrame(float x, float y, float width, float height) Sets the location and size of the framing rectangle of this shape to the specified values.
void	setLocation(float x, float y) Sets the upper-left corner of this rectangle to the specified point.
void	setLocation(XY p) Sets the upper-left corner of this rectangle to the supplied point.
void	setSize(float width, float height) Sets the size of this rectangle to the specified dimensions.
void	setSize(IDimension d) Sets the size of this rectangle to the supplied dimensions.
void	translate(float mx, float my) Translates the upper-left corner of this rectangle by the specified amount.
float	width() Returns the width of the framing rectangle.
float	x() Returns the x-coordinate of the upper-left corner of the framing rectangle.
float	y() Returns the y-coordinate of the upper-left corner of the framing rectangle.

Methods inherited from class pythagoras.f.AbstractRectangle

clone, contains, contains, equals, hashCode, intersection, intersection, intersects, intersectsLine, intersectsLine, location, location, outcode, outcode, pathIterator, pathIterator, size, size, toString, union

Methods inherited from class pythagoras.f.RectangularShape

bounds, bounds, center, centerX, centerY, contains, contains, frame, frame, intersects, isEmpty, max, maxX, maxY, min, minX, minY, setFrame, setFrame, setFrameFromCenter, setFrameFromCenter, setFrameFromDiagonal, setFrameFromDiagonal

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface pythagoras.f.IRectangularShape

center, centerX, centerY, frame, frame, max, maxX, maxY, min, minX, minY

Methods inherited from interface pythagoras.f.IShape

bounds, bounds, contains, contains, intersects, isEmpty

Field Detail

x

public float x

The x-coordinate of the rectangle's upper left corner.

y

public float y

The y-coordinate of the rectangle's upper left corner.

width

public float width

The width of the rectangle.

height

public float height

The height of the rectangle.

Constructor Detail

Rectangle

public Rectangle()

Constructs a rectangle at (0,0) and with dimensions (0,0).

Rectangle

public Rectangle(XY p)

Constructs a rectangle with the supplied upper-left corner and dimensions (0,0).

Rectangle

public Rectangle(IDimension d)

Constructs a rectangle with upper-left corner at (0,0) and the supplied dimensions.

Rectangle

public Rectangle(XY p,
                 IDimension d)

Constructs a rectangle with upper-left corner at the supplied point and with the supplied dimensions.

Rectangle

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

Constructs a rectangle with the specified upper-left corner and dimensions.

Rectangle

public Rectangle(IRectangle r)

Constructs a rectangle with bounds equal to the supplied rectangle.

Method Detail

setLocation

public void setLocation(float x,
                        float y)

Sets the upper-left corner of this rectangle to the specified point.

setLocation

public void setLocation(XY p)

Sets the upper-left corner of this rectangle to the supplied point.

setSize

public void setSize(float width,
                    float height)

Sets the size of this rectangle to the specified dimensions.

setSize

public void setSize(IDimension d)

Sets the size of this rectangle to the supplied dimensions.

setBounds

public void setBounds(float x,
                      float y,
                      float width,
                      float height)

Sets the bounds of this rectangle to the specified bounds.

setBounds

public void setBounds(IRectangle r)

Sets the bounds of this rectangle to those of the supplied rectangle.

grow

public void grow(float dx,
                 float dy)

Grows the bounds of this rectangle by the specified amount (i.e. the upper-left corner moves by the specified amount in the negative x and y direction and the width and height grow by twice the specified amount).

translate

public void translate(float mx,
                      float my)

Translates the upper-left corner of this rectangle by the specified amount.

add

public void add(float px,
                float py)

Expands the bounds of this rectangle to contain the specified point.

add

public void add(XY p)

Expands the bounds of this rectangle to contain the supplied point.

add

public void add(IRectangle r)

Expands the bounds of this rectangle to contain the supplied rectangle.

x

public float x()

Description copied from interface: IRectangularShape

Returns the x-coordinate of the upper-left corner of the framing rectangle.

Specified by:

x in interface IRectangularShape

y

public float y()

Description copied from interface: IRectangularShape

Returns the y-coordinate of the upper-left corner of the framing rectangle.

Specified by:

y in interface IRectangularShape

width

public float width()

Description copied from interface: IRectangularShape

Returns the width of the framing rectangle.

Specified by:

width in interface IRectangularShape

height

public float height()

Description copied from interface: IRectangularShape

Returns the height of the framing rectangle.

Specified by:

height in interface IRectangularShape

setFrame

public void setFrame(float x,
                     float y,
                     float width,
                     float height)

Description copied from class: RectangularShape

Sets the location and size of the framing rectangle of this shape to the specified values.

Specified by:

setFrame in class RectangularShape