com.hfg.graphics

Class ColorScale

java.lang.Object

com.hfg.graphics.ColorScale

All Implemented Interfaces:

ColorRule, Comparable

public class ColorScale
extends Object
implements ColorRule, Comparable

Color scale created from two or more colors.

Ex:

      ColorScale colorScale = new ColorScale(new Color[] {Color.WHITE, Color.BLACK, Color.BLUE, Color.GREEN});

      Center center = body.addCenter();
      center.addSpan("Color Scale Created from White, Black, Blue, & Green");
      Table table = center.addTable();
      Tr row = table.addRow();

      for (int i = 0; i <= 20; i++)
      {
         float value = i * 0.05f;
         HTMLColor scaleColor = new HTMLColor(colorScale.getColor(value));
         row.addCell(String.format("%.2f", value)).setStyle(CSS.color(scaleColor.getContrastingColor()) + CSS.bgColor(scaleColor));
      }
   

Color Scale Created from White, Black, Blue, & Green

0.00

0.05

0.10

0.15

0.20

0.25

0.30

0.35

0.40

0.45

0.50

0.55

0.60

0.65

0.70

0.75

0.80

0.85

0.90

0.95

1.00

Color Scale Created from Red, Yellow, & Green

0.00

0.05

0.10

0.15

0.20

0.25

0.30

0.35

0.40

0.45

0.50

0.55

0.60

0.65

0.70

0.75

0.80

0.85

0.90

0.95

1.00

Color Scale Created from White, Black, Blue, Red, Yellow, & Green

0.00

0.05

0.10

0.15

0.20

0.25

0.30

0.35

0.40

0.45

0.50

0.55

0.60

0.65

0.70

0.75

0.80

0.85

0.90

0.95

1.00

Field Summary

Fields

Modifier and Type	Field and Description
static XMLName	XML_COLOR_SCALE

Constructor Summary

Constructors

Constructor and Description
ColorScale(Color... inColors)
ColorScale(List<Color> inColors)
ColorScale(XMLTag inXMLTag)

Method Summary

Modifier and Type	Method and Description
Color	assignColorForValue(float inValue) Determines the color that should be assigned to the specified value that has been normalized to the range of 0 to 1.
int	compareTo(Object inObj2)
List<HTMLColor>	getColors()
XMLTag	toXMLTag()

Methods inherited from class java.lang.Object

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

Field Detail

XML_COLOR_SCALE

public static final XMLName XML_COLOR_SCALE

Constructor Detail

ColorScale

public ColorScale(List<Color> inColors)

ColorScale

public ColorScale(Color... inColors)

ColorScale

public ColorScale(XMLTag inXMLTag)

Method Detail

getColors

public List<HTMLColor> getColors()

assignColorForValue

public Color assignColorForValue(float inValue)

Determines the color that should be assigned to the specified value that has been normalized to the range of 0 to 1.

Specified by:

assignColorForValue in interface ColorRule

Parameters:

inValue - 0 <= float value >= 1.0

Returns:

the assigned color

toXMLTag

public XMLTag toXMLTag()

compareTo

public int compareTo(Object inObj2)

Specified by:

compareTo in interface Comparable