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   this work for additional information regarding copyright ownership.
   The ASF licenses this file to You under the Apache License, Version 2.0
   (the "License"); you may not use this file except in compliance with
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       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
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package org.apache.batik.ext.awt.image.renderable;

import java.awt.geom.Rectangle2D;

Creates a sourceless image from a turbulence function.
Author:
Thomas DeWeese
Version:
$Id: TurbulenceRable.java 1733416 2016-03-03 07:07:13Z gadams $/**
 * Creates a sourceless image from a turbulence function.
 *
 * @author <a href="mailto:Thomas.DeWeeese@Kodak.com">Thomas DeWeese</a>
 * @version $Id: TurbulenceRable.java 1733416 2016-03-03 07:07:13Z gadams $
 */
public interface TurbulenceRable extends FilterColorInterpolation {

    
Sets the turbulence region
Params:
turbulenceRegion – region to fill with turbulence function./**
     * Sets the turbulence region
     * @param turbulenceRegion region to fill with turbulence function.
     */
    void setTurbulenceRegion(Rectangle2D turbulenceRegion);

    
Gets the turbulence region
/**
     * Gets the turbulence region
     */
    Rectangle2D getTurbulenceRegion();

    
Gets the current seed value for the pseudo random number generator.
Returns:
The current seed value for the pseudo random number generator./**
     * Gets the current seed value for the pseudo random number generator.
     * @return The current seed value for the pseudo random number generator.
     */
    int getSeed();

    
Gets the current base fequency in x direction.
Returns:
The current base fequency in x direction./**
     * Gets the current base fequency in x direction.
     * @return The current base fequency in x direction.
     */
    double getBaseFrequencyX();

    
Gets the current base fequency in y direction.
Returns:
The current base fequency in y direction./**
     * Gets the current base fequency in y direction.
     * @return The current base fequency in y direction.
     */
    double getBaseFrequencyY();

    
Gets the current number of octaves for the noise function .
Returns:
The current number of octaves for the noise function ./**
     * Gets the current number of octaves for the noise function .
     * @return The current number of octaves for the noise function .
     */
    int getNumOctaves();

    
Returns true if the turbulence function is currently stitching tiles.
Returns:
true if the turbulence function is currently stitching tiles./**
     * Returns true if the turbulence function is currently stitching tiles.
     * @return true if the turbulence function is currently stitching tiles.
     */
    boolean isStitched();

    
Returns true if the turbulence function is using fractal noise,
instead of turbulence noise.
Returns:
true if the turbulence function is using fractal noise,
instead of turbulence noise./**
     * Returns true if the turbulence function is using fractal noise,
     * instead of turbulence noise.
     * @return true if the turbulence function is using fractal noise,
     * instead of turbulence noise.
     */
    boolean isFractalNoise();

    
Sets the seed value for the pseudo random number generator.
Params:
seed – The new seed value for the pseudo random number generator./**
     * Sets the seed value for the pseudo random number generator.
     * @param seed The new seed value for the pseudo random number generator.
     */
    void setSeed(int seed);

    
Sets the base fequency in x direction.
Params:
xfreq – The new base fequency in x direction./**
     * Sets the base fequency in x direction.
     * @param xfreq The new base fequency in x direction.
     */
    void setBaseFrequencyX(double xfreq);

    
Sets the base fequency in y direction.
Params:
yfreq – The new base fequency in y direction./**
     * Sets the base fequency in y direction.
     * @param yfreq The new base fequency in y direction.
     */
    void setBaseFrequencyY(double yfreq);

    
Sets the number of octaves for the noise function .
Params:
numOctaves – The new number of octaves for the noise function ./**
     * Sets the number of octaves for the noise function .
     * @param numOctaves The new number of octaves for the noise function .
     */
    void setNumOctaves(int numOctaves);

    
Sets stitching state for tiles.
Params:
stitched – true if the turbulence operator should stitch tiles./**
     * Sets stitching state for tiles.
     * @param stitched true if the turbulence operator should stitch tiles.
     */
    void setStitched(boolean stitched);

    
Turns on/off fractal noise.
Params:
fractalNoise – true if fractal noise should be used./**
     * Turns on/off fractal noise.
     * @param fractalNoise true if fractal noise should be used.
     */
    void setFractalNoise(boolean fractalNoise);
}