ImageFilter

All Known Implementing Classes:

Canvas, Caption, Colorize, Pipeline, Rotation.Rotator, SwapDimensions, Transparency, Watermark
```
public interface ImageFilter
```
This interface is to be implemented by classes which performs an image filtering operation on a BufferedImage.
The general contract for classes implementing ImageFilter is that they should not change the contents of the BufferedImage which is given as the argument for the apply(BufferedImage) method.
The filter should make a copy of the given BufferedImage, and perform the filtering operations on the copy, then return the copy.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`java.awt.image.BufferedImage`	`apply(java.awt.image.BufferedImage img)`	Applies a image filtering operation on an image.

- Method Detail
  - apply
```
java.awt.image.BufferedImage apply(java.awt.image.BufferedImage img)
```
    Applies a image filtering operation on an image.
    
    Parameters:
    
    img - The image to apply the filtering on.
    
    Returns:
    
    The resulting image after applying this filter.