org.apache.batik.ext.awt.image.TableTransfer Maven / Gradle / Ivy
/*
Licensed to the Apache Software Foundation (ASF) under one or more
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
the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package org.apache.batik.ext.awt.image;
/**
* TableTransfer.java
*
* This class defines the Table type transfer function for the
* feComponentTransfer filter, as defined in chapter 15, section 11 of the SVG
* specification.
*
* @author Sheng Pei
* @version $Id: TableTransfer.java 1733416 2016-03-03 07:07:13Z gadams $
*/
public class TableTransfer implements TransferFunction {
/**
* This byte array stores the lookuptable data
*/
public byte [] lutData;
/**
* This int array is the input table values from the user
*/
public int [] tableValues;
/*
* The number of the input table's elements
*/
private int n;
/*
* The input is an int array which will be used
* later to construct the lut data
*/
public TableTransfer(int [] tableValues){
this.tableValues = tableValues;
this.n = tableValues.length;
}
/*
* This method will build the lut data. Each entry's
* value will increase/decrease between the nearby
* intervals.
*/
private void buildLutData(){
lutData = new byte [256];
int j;
float fi, r;
int ffi, cfi;
/*for (j=0; j