Package org.jfree.chart.renderer

Class LookupPaintScale

  • All Implemented Interfaces:
    java.io.Serializable, java.lang.Cloneable, PaintScale, PublicCloneable
    public class LookupPaintScale
extends java.lang.Object
implements PaintScale, PublicCloneable, java.io.Serializable
    A paint scale that uses a lookup table to associate paint instances with data value ranges.
    See Also:
    Serialized Form

    • Nested Class Summary

      Nested Classes 
      Modifier and Type Class Description
      (package private) static class  LookupPaintScale.PaintItem
      Stores the paint for a value.

    • Field Summary

      Fields 
      Modifier and Type Field Description
      private java.awt.Paint defaultPaint
      The default paint.
      private java.util.List lookupTable
      The lookup table.
      private double lowerBound
      The lower bound.
      (package private) static long serialVersionUID
      For serialization.
      private double upperBound
      The upper bound.

    • Constructor Summary

      Constructors 
      Constructor Description
      LookupPaintScale()
      Creates a new paint scale.
      LookupPaintScale​(double lowerBound, double upperBound, java.awt.Paint defaultPaint)
      Creates a new paint scale with the specified default paint.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void add​(double value, java.awt.Paint paint)
      Adds an entry to the lookup table.
      java.lang.Object clone()
      Returns a clone of the instance.
      boolean equals​(java.lang.Object obj)
      Tests this instance for equality with an arbitrary object.
      java.awt.Paint getDefaultPaint()
      Returns the default paint (never null).
      double getLowerBound()
      Returns the lower bound.
      java.awt.Paint getPaint​(double value)
      Returns the paint associated with the specified value.
      double getUpperBound()
      Returns the upper bound.
      private void readObject​(java.io.ObjectInputStream stream)
      Provides serialization support.
      private void writeObject​(java.io.ObjectOutputStream stream)
      Provides serialization support.

      • Methods inherited from class java.lang.Object

        finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Field Detail

      • serialVersionUID

        static final long serialVersionUID
        For serialization.
        See Also:
        Constant Field Values

      • lowerBound

        private double lowerBound
        The lower bound.

      • upperBound

        private double upperBound
        The upper bound.

      • defaultPaint

        private transient java.awt.Paint defaultPaint
        The default paint.

      • lookupTable

        private java.util.List lookupTable
        The lookup table.

    • Constructor Detail

      • LookupPaintScale

        public LookupPaintScale()
        Creates a new paint scale.

      • LookupPaintScale

        public LookupPaintScale​(double lowerBound,
                        double upperBound,
                        java.awt.Paint defaultPaint)
        Creates a new paint scale with the specified default paint.
        Parameters:
        lowerBound - the lower bound.
        upperBound - the upper bound.
        defaultPaint - the default paint (null not permitted).

    • Method Detail

      • getDefaultPaint

        public java.awt.Paint getDefaultPaint()
        Returns the default paint (never null).
        Returns:
        The default paint.

      • add

        public void add​(double value,
                java.awt.Paint paint)
        Adds an entry to the lookup table. Any values from n up to but not including the next value in the table take on the specified Paint.
        Parameters:
        value - the data value.
        paint - the paint.

      • getPaint

        public java.awt.Paint getPaint​(double value)
        Returns the paint associated with the specified value.
        Specified by:
        getPaint in interface PaintScale
        Parameters:
        value - the value.
        Returns:
        The paint.
        See Also:
        getDefaultPaint()

      • equals

        public boolean equals​(java.lang.Object obj)
        Tests this instance for equality with an arbitrary object.
        Overrides:
        equals in class java.lang.Object
        Parameters:
        obj - the object (null permitted).
        Returns:
        A boolean.

      • clone

        public java.lang.Object clone()
                       throws java.lang.CloneNotSupportedException
        Returns a clone of the instance.
        Specified by:
        clone in interface PublicCloneable
        Overrides:
        clone in class java.lang.Object
        Returns:
        A clone.
        Throws:
        java.lang.CloneNotSupportedException - if there is a problem cloning the instance.

      • writeObject

        private void writeObject​(java.io.ObjectOutputStream stream)
                  throws java.io.IOException
        Provides serialization support.
        Parameters:
        stream - the output stream.
        Throws:
        java.io.IOException - if there is an I/O error.

      • readObject

        private void readObject​(java.io.ObjectInputStream stream)
                 throws java.io.IOException,
                        java.lang.ClassNotFoundException
        Provides serialization support.
        Parameters:
        stream - the input stream.
        Throws:
        java.io.IOException - if there is an I/O error.
        java.lang.ClassNotFoundException - if there is a classpath problem.