ColorUtil

```
public class ColorUtil

                    
```
Simple utility class for manipulating colors, based on Fresco's DrawableUtils (https://github.com/facebook/fresco). For a small helper like this, copying is simpler than adding a dependency on com.facebook.fresco.drawee.

Method Summary

Modifier and Type	Method	Description
`static int`	`multiplyColorAlpha(int color, int alpha)`	Multiplies the color with the given alpha.
`static int`	`getOpacityFromColor(int color)`	Gets the opacity from a color.
`static int`	`normalize(double r, double g, double b, double a)`	Converts individual {r, g, b, a} channel values to a single integer representation of the coloras 0xAARRGGBB.

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

- Method Detail
  - multiplyColorAlpha
```
 static int multiplyColorAlpha(int color, int alpha)
```
    Multiplies the color with the given alpha.
    
    Parameters:
    
    color - color to be multiplied
    
    alpha - value between 0 and 255
  - getOpacityFromColor
```
 static int getOpacityFromColor(int color)
```
    Gets the opacity from a color. Inspired by Android ColorDrawable.
    
    Parameters:
    
    color - color to get opacity from
  - normalize
```
 static int normalize(double r, double g, double b, double a)
```
    Converts individual {r, g, b, a} channel values to a single integer representation of the coloras 0xAARRGGBB.
    
    Parameters:
    
    r - red channel value, [0, 255]
    
    g - green channel value, [0, 255]
    
    b - blue channel value, [0, 255]
    
    a - alpha channel value, [0, 1]