edu.rit.draw.item

Class Size

java.lang.Object

edu.rit.draw.item.Size

All Implemented Interfaces:

java.io.Externalizable, java.io.Serializable

public class Size
extends java.lang.Object
implements java.io.Externalizable

Class Size provides a size (width,height) for a DrawingItem.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
Size() Construct a new size with width = height = 0.
Size(double width, double height) Construct a new size with the given width and height.
Size(Size theSize) Construct a new size with the same width and height as the given size.

Method Summary

Modifier and Type	Method and Description
Size	add(double incr) Returns a new size equal to this size increased by the given amount in both width and height.
Size	add(double wincr, double hincr) Returns a new size equal to this size increased by the given amounts in width and height.
Size	ceil() Returns a new size with its width and height set to the ceiling of this size's width and height, respectively.
Size	div(double scale) Returns a new size equal to this size divided by the given scale factor.
Size	div(double wscale, double hscale) Returns a new size equal to this size divided by the given scale factors.
boolean	equals(java.lang.Object obj) Determine if this size is equal to the given object.
int	hashCode() Returns a hash code for this size.
double	height() Returns this size's height.
Size	mul(double scale) Returns a new size equal to this size multiplied by the given scale factor.
Size	mul(double wscale, double hscale) Returns a new size equal to this size multiplied by the given scale factors.
void	readExternal(java.io.ObjectInput in) Read this size from the given object input stream.
Size	sub(double decr) Returns a new size equal to this size decreased by the given amount in both width and height.
Size	sub(double wdecr, double hdecr) Returns a new size equal to this size decreased by the given amounts in width and height.
java.lang.String	toString() Returns a string version of this size.
double	width() Returns this size's width.
void	writeExternal(java.io.ObjectOutput out) Write this size to the given object output stream.

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

Size

public Size()

Construct a new size with width = height = 0.

Size

public Size(double width,
            double height)

Construct a new size with the given width and height.

Parameters:

width - Width.

height - Height.

Size

public Size(Size theSize)

Construct a new size with the same width and height as the given size.

Parameters:

theSize - Size to copy.

Method Detail

width

public double width()

Returns this size's width.

height

public double height()

Returns this size's height.

ceil

public Size ceil()

Returns a new size with its width and height set to the ceiling of this size's width and height, respectively.

add

public Size add(double incr)

Returns a new size equal to this size increased by the given amount in both width and height.

Parameters:

incr - Increment.

add

public Size add(double wincr,
                double hincr)

Returns a new size equal to this size increased by the given amounts in width and height.

Parameters:

wincr - Width increment.

hincr - Height increment.

sub

public Size sub(double decr)

Returns a new size equal to this size decreased by the given amount in both width and height.

Parameters:

decr - Decrement.

sub

public Size sub(double wdecr,
                double hdecr)

Returns a new size equal to this size decreased by the given amounts in width and height.

Parameters:

wdecr - Width decrement.

hdecr - Height decrement.

mul

public Size mul(double scale)

Returns a new size equal to this size multiplied by the given scale factor.

Parameters:

scale - Scale factor.

mul

public Size mul(double wscale,
                double hscale)

Returns a new size equal to this size multiplied by the given scale factors.

Parameters:

wscale - Width scale factor.

hscale - Height scale factor.

div

public Size div(double scale)

Returns a new size equal to this size divided by the given scale factor.

Parameters:

scale - Scale factor.

div

public Size div(double wscale,
                double hscale)

Returns a new size equal to this size divided by the given scale factors.

Parameters:

wscale - Width scale factor.

hscale - Height scale factor.

writeExternal

public void writeExternal(java.io.ObjectOutput out)
                   throws java.io.IOException

Write this size to the given object output stream.

Specified by:

writeExternal in interface java.io.Externalizable

Parameters:

out - Object output stream.

Throws:

java.io.IOException - Thrown if an I/O error occurred.

readExternal

public void readExternal(java.io.ObjectInput in)
                  throws java.io.IOException

Read this size from the given object input stream.

Specified by:

readExternal in interface java.io.Externalizable

Parameters:

in - Object input stream.

Throws:

java.io.IOException - Thrown if an I/O error occurred.

equals

public boolean equals(java.lang.Object obj)

Determine if this size is equal to the given object.

Overrides:

equals in class java.lang.Object

Parameters:

obj - Object to test.

Returns:

True if this size is equal to obj, false otherwise.

hashCode

public int hashCode()

Returns a hash code for this size.

Overrides:

hashCode in class java.lang.Object

toString

public java.lang.String toString()

Returns a string version of this size.

Overrides:

toString in class java.lang.Object