DeviceGray

java.lang.Object
- com.itextpdf.kernel.colors.Color
- - com.itextpdf.kernel.colors.DeviceGray

```
public class DeviceGray
extends Color
```
Color space to specify shades of gray color.

Field Summary

Fields
Modifier and Type	Field	Description
`static DeviceGray`	`BLACK`	Predefined black DeviceGray color.
`static DeviceGray`	`GRAY`	Predefined gray DeviceGray color.
`static DeviceGray`	`WHITE`	Predefined white DeviceGray color.

Fields inherited from class com.itextpdf.kernel.colors.Color
colorSpace, colorValue

Constructor Summary

Constructors
Constructor	Description
`DeviceGray()`	Creates DeviceGray color with grayscale value initialised as zero.
`DeviceGray(float value)`	Creates DeviceGray color by given grayscale.

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static DeviceGray`	`makeDarker(DeviceGray grayColor)`	Returns `DeviceGray` color which is darker than given one
`static DeviceGray`	`makeLighter(DeviceGray grayColor)`	Returns `DeviceGray` color which is lighter than given one

Methods inherited from class com.itextpdf.kernel.colors.Color
convertCmykToRgb, convertRgbToCmyk, createColorWithColorSpace, equals, getColorSpace, getColorValue, getNumberOfComponents, hashCode, makeColor, makeColor, setColorValue

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

- Field Detail
  - WHITE
```
public static final DeviceGray WHITE
```
    Predefined white DeviceGray color.
  - GRAY
```
public static final DeviceGray GRAY
```
    Predefined gray DeviceGray color.
  - BLACK
```
public static final DeviceGray BLACK
```
    Predefined black DeviceGray color.
- Constructor Detail
  - DeviceGray
```
public DeviceGray(float value)
```
    Creates DeviceGray color by given grayscale. The grayscale is considered to be in [0, 1] interval, if not, the grayscale will be considered as 1 (when grayscale's value is bigger than 1) or 0 (when grayscale's value is less than 0).
    
    Parameters:
    
    value - the grayscale value
  - DeviceGray
```
public DeviceGray()
```
    Creates DeviceGray color with grayscale value initialised as zero.
- Method Detail
  - makeLighter
```
public static DeviceGray makeLighter(DeviceGray grayColor)
```
    Returns DeviceGray color which is lighter than given one
    
    Parameters:
    
    grayColor - the DeviceGray color to be made lighter
    
    Returns:
    
    lighter color
  - makeDarker
```
public static DeviceGray makeDarker(DeviceGray grayColor)
```
    Returns DeviceGray color which is darker than given one
    
    Parameters:
    
    grayColor - the DeviceGray color to be made darker
    
    Returns:
    
    darker color