org.extex.color.model
Class RgbColor

java.lang.Object
  extended by org.extex.color.model.RgbColor
All Implemented Interfaces:
java.io.Serializable, Color

public class RgbColor
extends java.lang.Object
implements Color

This class implements a color specification in RGB mode with an alpha channel.

Version:
$Revision:4446 $
Author:
Gerd Neugebauer
See Also:
Serialized Form

Field Summary
protected static long serialVersionUID
          The constant serialVersionUID contains the id for serialization.
 
Fields inherited from interface org.extex.color.Color
MAX_VALUE
 
Constructor Summary
protected RgbColor(int red, int green, int blue, int alpha)
          Creates a new object.
 
Method Summary
 boolean equals(java.lang.Object obj)
          Indicates whether some other object is "equal to" this one.
 int getAlpha()
          Getter for the alpha channel.
 int getBlue()
          Getter for the blue value.
 int getGreen()
          Getter for the green value.
 int getRed()
          Getter for the red value.
 int hashCode()
          Returns a hash code value for the object.
 java.lang.String toString()
          Returns a string representation of the object.
 java.lang.Object visit(ColorVisitor visitor, java.lang.Object argument)
          This method provides an entry point for the visitor pattern.
 
Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
 

Field Detail

serialVersionUID

protected static final long serialVersionUID
The constant serialVersionUID contains the id for serialization.

See Also:
Constant Field Values
Constructor Detail

RgbColor

protected RgbColor(int red,
                   int green,
                   int blue,
                   int alpha)
Creates a new object.

Parameters:
red - the red channel
green - the green channel
blue - the blue channel
alpha - the alpha channel
Method Detail

equals

public boolean equals(java.lang.Object obj)
Indicates whether some other object is "equal to" this one.

Specified by:
equals in interface Color
Overrides:
equals in class java.lang.Object
Parameters:
obj - the reference object with which to compare.
Returns:
true if this object is the same as the obj argument; false otherwise.
See Also:
Object.equals(java.lang.Object)

getRed

public int getRed()
Getter for the red value. It has a value in the range from 0 to MAX_VALUE.

Returns:
the red value.

getGreen

public int getGreen()
Getter for the green value. It has a value in the range from 0 to MAX_VALUE.

Returns:
the green value.

getBlue

public int getBlue()
Getter for the blue value. It has a value in the range from 0 to MAX_VALUE.

Returns:
the blue value.

getAlpha

public int getAlpha()
Getter for the alpha channel. The range of the value is 0x00 to 0xffff.

Specified by:
getAlpha in interface Color
Returns:
the alpha channel
See Also:
Color.getAlpha()

hashCode

public int hashCode()
Returns a hash code value for the object.

Overrides:
hashCode in class java.lang.Object
Returns:
a hash code value for this object
See Also:
Object.hashCode()

toString

public java.lang.String toString()
Returns a string representation of the object.

Specified by:
toString in interface Color
Overrides:
toString in class java.lang.Object
Returns:
a string representation of the object.
See Also:
Object.toString()

visit

public java.lang.Object visit(ColorVisitor visitor,
                              java.lang.Object argument)
                       throws GeneralException
This method provides an entry point for the visitor pattern.

Specified by:
visit in interface Color
Parameters:
visitor - the visitor to apply
argument - the argument for the visitor
Returns:
the result of the method invocation of the visitor
Throws:
GeneralException - in case of an error
See Also:
Color.visit( org.extex.color.ColorVisitor, java.lang.Object)