IBackground

All Known Implementing Classes:

ColorBackground, GradientBackground
```
public interface IBackground
```
Interface for creating backgrounds for the notification

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`paintBackground(java.awt.Graphics g, boolean isMouseOver, int cornerRadius)`	Paint the background
`void`	`setAlpha(float alpha)`	Set the alpha of this component.

- Method Detail
  - paintBackground
```
void paintBackground(java.awt.Graphics g,
                     boolean isMouseOver,
                     int cornerRadius)
```
    Paint the background
    
    Parameters:
    
    g - graphics to paint on
    
    isMouseOver - true if the mouse if over the notification
    
    cornerRadius - corner radius of the window
  - setAlpha
```
void setAlpha(float alpha)
```
    Set the alpha of this component. Usual you don't call this method. Instead use NotificationBuilder.withAlpha(float)
    Note this only works if the GraphicsConfiguration supports per-pixel translucency.
    
    Parameters:
    
    alpha - value between 0.0f (completely transparent) and 1.0f (opaque)