com.github.cage.image
Class Rippler

java.lang.Object
  com.github.cage.image.Rippler

public class Rippler
extends Object

A filter to generate ripple (wave) effected images. Uses a transformed sinus wave for this. This class is thread safe.

Author:

akiraly

Rippler

public Rippler(Rippler.AxisConfig vertical,
               Rippler.AxisConfig horizontal)

Constructor.

Parameters:

vertical - config to calculate waving deltas from x axis (so to modify y values), not null

horizontal - config to calculate waving deltas from y axis (so to modify x values), not null

filter

public BufferedImage filter(BufferedImage src,
                            BufferedImage dest)

Draws a rippled (waved) variant of source into destination.

Parameters:

src - to be transformed, not null

dest - to hold the result, not null

Returns:

dest is returned

calcDeltaArray

protected int[] calcDeltaArray(Rippler.AxisConfig axisConfig,
                               int num)

Calculates wave delta array.

Parameters:

axisConfig - config object to transform the wave, not null

num - number of points needed, positive

Returns:

the calculated num length delta array

getVertical

public Rippler.AxisConfig getVertical()

Returns:

vertical config, not null

getHorizontal

public Rippler.AxisConfig getHorizontal()

Returns:

horizontal config, not null