Color (Chart 2.3.0 API)

java.lang.Object
- be.ceau.chart.color.Color

```
public class Color
extends Object
```
Immutable RGBa color model.

Field Summary

Fields
Modifier and Type	Field and Description
`static Color`	`AQUA`
`static Color`	`AQUA_MARINE`
`static Color`	`AZURE`
`static Color`	`BLACK`
`static Color`	`BLUE`
`static Color`	`BLUE_VIOLET`
`static Color`	`BROWN`
`static Color`	`CHOCOLATE`
`static Color`	`CRIMSON`
`static Color`	`CYAN`
`static Color`	`DARK_BLUE`
`static Color`	`DARK_CYAN`
`static Color`	`DARK_GRAY`
`static Color`	`DARK_GREEN`
`static Color`	`DARK_KHAKI`
`static Color`	`DARK_OLIVE_GREEN`
`static Color`	`DARK_ORANGE`
`static Color`	`DARK_RED`
`static Color`	`DARK_SALMON`
`static Color`	`DARK_TURQUOISE`
`static Color`	`DEEP_PINK`
`static Color`	`DIM_GRAY`
`static Color`	`GOLD`
`static Color`	`GRAY`
`static Color`	`GREEN`
`static Color`	`GREEN_YELLOW`
`static Color`	`HOT_PINK`
`static Color`	`KHAKI`
`static Color`	`LAVENDER`
`static Color`	`LIGHT_BLUE`
`static Color`	`LIGHT_CYAN`
`static Color`	`LIGHT_GRAY`
`static Color`	`LIGHT_PINK`
`static Color`	`LIGHT_SALMON`
`static Color`	`LIGHT_SKY_BLUE`
`static Color`	`LIGHT_YELLOW`
`static Color`	`LIME`
`static Color`	`LINEN`
`static Color`	`MAGENTA`
`static Color`	`MAROON`
`static Color`	`MEDIUM_BLUE`
`static Color`	`MEDIUM_TURQUOISE`
`static Color`	`MIDNIGHT_BLUE`
`static Color`	`NAVY`
`static Color`	`OLIVE`
`static Color`	`ORANGE`
`static Color`	`ORANGE_RED`
`static Color`	`PALE_TURQUOISE`
`static Color`	`PINK`
`static Color`	`PURPLE`
`static Color`	`RED`
`static Color`	`SALMON`
`static Color`	`SILVER`
`static Color`	`SKY_BLUE`
`static Color`	`TAN`
`static Color`	`TEAL`
`static Color`	`TRANSPARENT`
`static Color`	`TURQUOISE`
`static Color`	`VIOLET`
`static Color`	`WHITE`
`static Color`	`YELLOW`
`static Color`	`YELLOW_GREEN`

Constructor Summary

Constructors
Constructor and Description
`Color(Color color, double alpha)` Constructs a new Color instance with the RGB values of the Color argument and the alpha transparency of the double argument.
`Color(int r, int g, int b)` Constructs a new Color instance with alpha set fully opaque
`Color(int r, int g, int b, double alpha)` Constructs a new Color instance

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`boolean`	`equals(Object obj)`
`double`	`getAlpha()`
`int`	`getB()`
`int`	`getG()`
`int`	`getR()`
`int`	`hashCode()`
`static boolean`	`isAlphaWithinBounds(double alpha)` Verify that argument is valid value for the alpha channel.
`static boolean`	`isChannelWithinBounds(int channel)` Verify that argument is valid value for the R, G or B channel.
`static Color`	`random()` Constructs and returns a new fully random Color instance.
`String`	`rgba()`
`String`	`toString()`

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

TRANSPARENT
```
public static final Color TRANSPARENT
```

BLACK
```
public static final Color BLACK
```

WHITE
```
public static final Color WHITE
```

RED
```
public static final Color RED
```

LIME
```
public static final Color LIME
```

BLUE
```
public static final Color BLUE
```

YELLOW
```
public static final Color YELLOW
```

CYAN
```
public static final Color CYAN
```

MAGENTA
```
public static final Color MAGENTA
```

SILVER
```
public static final Color SILVER
```

GRAY
```
public static final Color GRAY
```

MAROON
```
public static final Color MAROON
```

OLIVE
```
public static final Color OLIVE
```

GREEN
```
public static final Color GREEN
```

PURPLE
```
public static final Color PURPLE
```

TEAL
```
public static final Color TEAL
```

NAVY
```
public static final Color NAVY
```

DARK_RED
```
public static final Color DARK_RED
```

BROWN
```
public static final Color BROWN
```

CRIMSON
```
public static final Color CRIMSON
```

DARK_SALMON
```
public static final Color DARK_SALMON
```

SALMON
```
public static final Color SALMON
```

LIGHT_SALMON
```
public static final Color LIGHT_SALMON
```

ORANGE_RED
```
public static final Color ORANGE_RED
```

DARK_ORANGE
```
public static final Color DARK_ORANGE
```

ORANGE
```
public static final Color ORANGE
```

GOLD
```
public static final Color GOLD
```

DARK_KHAKI
```
public static final Color DARK_KHAKI
```

KHAKI
```
public static final Color KHAKI
```

YELLOW_GREEN
```
public static final Color YELLOW_GREEN
```

DARK_OLIVE_GREEN

public static final Color DARK_OLIVE_GREEN

GREEN_YELLOW
```
public static final Color GREEN_YELLOW
```

DARK_GREEN
```
public static final Color DARK_GREEN
```

DARK_CYAN
```
public static final Color DARK_CYAN
```

LIGHT_CYAN
```
public static final Color LIGHT_CYAN
```

AQUA
```
public static final Color AQUA
```

DARK_TURQUOISE

public static final Color DARK_TURQUOISE

TURQUOISE
```
public static final Color TURQUOISE
```

MEDIUM_TURQUOISE

public static final Color MEDIUM_TURQUOISE

PALE_TURQUOISE

public static final Color PALE_TURQUOISE

AQUA_MARINE
```
public static final Color AQUA_MARINE
```

LIGHT_BLUE
```
public static final Color LIGHT_BLUE
```

SKY_BLUE
```
public static final Color SKY_BLUE
```

LIGHT_SKY_BLUE

public static final Color LIGHT_SKY_BLUE

MIDNIGHT_BLUE

public static final Color MIDNIGHT_BLUE

DARK_BLUE
```
public static final Color DARK_BLUE
```

MEDIUM_BLUE
```
public static final Color MEDIUM_BLUE
```

BLUE_VIOLET
```
public static final Color BLUE_VIOLET
```

VIOLET
```
public static final Color VIOLET
```

DEEP_PINK
```
public static final Color DEEP_PINK
```

HOT_PINK
```
public static final Color HOT_PINK
```

LIGHT_PINK
```
public static final Color LIGHT_PINK
```

PINK
```
public static final Color PINK
```

LIGHT_YELLOW
```
public static final Color LIGHT_YELLOW
```

CHOCOLATE
```
public static final Color CHOCOLATE
```

TAN
```
public static final Color TAN
```

LINEN
```
public static final Color LINEN
```

LAVENDER
```
public static final Color LAVENDER
```

AZURE
```
public static final Color AZURE
```

DIM_GRAY
```
public static final Color DIM_GRAY
```

DARK_GRAY
```
public static final Color DARK_GRAY
```

LIGHT_GRAY
```
public static final Color LIGHT_GRAY
```

Constructor Detail
- Color
```
public Color(int r,
             int g,
             int b,
             double alpha)
```
  Constructs a new Color instance
  
  Parameters:
  
  r - value for Red color channel. Value between 0 and 255 (inclusive).
  
  g - value for Green color channel. Value between 0 and 255 (inclusive).
  
  b - value for Blue color channel. Value between 0 and 255 (inclusive).
  
  alpha - value for alpha transparency. Value between 0 and 1 (inclusive), with 0 fully transparent and 1 fully opaque.
- Color
```
public Color(int r,
             int g,
             int b)
```
  Constructs a new Color instance with alpha set fully opaque
  
  Parameters:
  
  r - value for Red color channel. Value between 0 and 255 (inclusive).
  
  g - value for Green color channel. Value between 0 and 255 (inclusive).
  
  b - value for Blue color channel. Value between 0 and 255 (inclusive).
- Color
```
public Color(Color color,
             double alpha)
```
  Constructs a new Color instance with the RGB values of the Color argument and the alpha transparency of the double argument.

Method Detail
- random
```
public static Color random()
```
  Constructs and returns a new fully random Color instance.
  
  Returns:
  
  Color
- isChannelWithinBounds
```
public static boolean isChannelWithinBounds(int channel)
```
  Verify that argument is valid value for the R, G or B channel.
  
  Any integer between 0 and 255 (inclusive) is valid.
  
  Parameters:
  
  channel -
  
  Returns:
  
  true if argument is valid R, G or B value
- isAlphaWithinBounds
```
public static boolean isAlphaWithinBounds(double alpha)
```
  Verify that argument is valid value for the alpha channel.
  
  Any double between 0.0d and 1.0d (inclusive) is valid.
  
  Parameters:
  
  alpha -
  
  Returns:
  
  true if argument is valid alpha value
- getR
```
public int getR()
```
  Returns:
  
  red channel value, between 0 and 255 (inclusive)
- getG
```
public int getG()
```
  Returns:
  
  green channel value, between 0 and 255 (inclusive)
- getB
```
public int getB()
```
  Returns:
  
  blue channel value, between 0 and 255 (inclusive)
- getAlpha
```
public double getAlpha()
```
  Returns:
  
  alpha channel value, between 0.0d and 1.0d (inclusive)
- rgba
```
public String rgba()
```
  Returns:
  
  serialized version of this Color, as used for JSON.
- toString
```
public String toString()
```
  Overrides:
  
  toString in class Object
- hashCode
```
public int hashCode()
```
  Overrides:
  
  hashCode in class Object
- equals
```
public boolean equals(Object obj)
```
  Overrides:
  
  equals in class Object

Class Color

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

TRANSPARENT

BLACK

WHITE

RED

LIME

BLUE

YELLOW

CYAN

MAGENTA

SILVER

GRAY

MAROON

OLIVE

GREEN

PURPLE

TEAL

NAVY

DARK_RED

BROWN

CRIMSON

DARK_SALMON

SALMON

LIGHT_SALMON

ORANGE_RED

DARK_ORANGE

ORANGE

GOLD

DARK_KHAKI

KHAKI

YELLOW_GREEN

DARK_OLIVE_GREEN

GREEN_YELLOW

DARK_GREEN

DARK_CYAN

LIGHT_CYAN

AQUA

DARK_TURQUOISE

TURQUOISE

MEDIUM_TURQUOISE

PALE_TURQUOISE

AQUA_MARINE

LIGHT_BLUE

SKY_BLUE

LIGHT_SKY_BLUE

MIDNIGHT_BLUE

DARK_BLUE

MEDIUM_BLUE

BLUE_VIOLET

VIOLET

DEEP_PINK

HOT_PINK

LIGHT_PINK

PINK

LIGHT_YELLOW

CHOCOLATE

TAN

LINEN

LAVENDER

AZURE

DIM_GRAY

DARK_GRAY

LIGHT_GRAY

Constructor Detail

Color

Color

Color

Method Detail

random

isChannelWithinBounds

isAlphaWithinBounds

getR

getG

getB

getAlpha