/*

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   contributor license agreements.  See the NOTICE file distributed with
   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

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   distributed under the License is distributed on an "AS IS" BASIS,
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   See the License for the specific language governing permissions and
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package org.apache.batik.ext.awt.image;

Defines the interface expected from a component
transfer function.
Author:
Vincent Hardy
Version:
$Id: ComponentTransferFunction.java 1733416 2016-03-03 07:07:13Z gadams $/**
 * Defines the interface expected from a component
 * transfer function.
 *
 * @author <a href="mailto:vincent.hardy@eng.sun.com">Vincent Hardy</a>
 * @version $Id: ComponentTransferFunction.java 1733416 2016-03-03 07:07:13Z gadams $
 */
public interface ComponentTransferFunction {
    
The various transfer types
/**
     * The various transfer types
     */
    int IDENTITY = 0;
    int TABLE    = 1;
    int DISCRETE = 2;
    int LINEAR   = 3;
    int GAMMA    = 4;

    
Returns the type of this transfer function
/**
     * Returns the type of this transfer function
     */
    int getType();

    
Returns the slope value for this transfer function
/**
     * Returns the slope value for this transfer function
     */
    float getSlope();

    
Returns the table values for this transfer function
/**
     * Returns the table values for this transfer function
     */
    float[] getTableValues();

    
Returns the intercept value for this transfer function
/**
     * Returns the intercept value for this transfer function
     */
    float getIntercept();

    
Returns the amplitude value for this transfer function
/**
     * Returns the amplitude value for this transfer function
     */
    float getAmplitude();

    
Returns the exponent value for this transfer function
/**
     * Returns the exponent value for this transfer function
     */
    float getExponent();

    
Returns the offset value for this transfer function
/**
     * Returns the offset value for this transfer function
     */
    float getOffset();
}