org.jpedal.color.ColorMapping Maven / Gradle / Ivy

/*
 * ===========================================
 * Java Pdf Extraction Decoding Access Library
 * ===========================================
 *
 * Project Info:  http://www.idrsolutions.com
 * Help section for developers at http://www.idrsolutions.com/support/
 *
 * (C) Copyright 1997-2017 IDRsolutions and Contributors.
 *
 * This file is part of JPedal/JPDF2HTML5
 *
 @LICENSE@
 *
 * ---------------
 * ColorMapping.java
 * ---------------
 */
package org.jpedal.color;

import java.io.Serializable;

import org.jpedal.function.FunctionFactory;
import org.jpedal.function.PDFFunction;
import org.jpedal.io.PdfObjectReader;
import org.jpedal.objects.raw.PdfObject;

/**
 * convert to actual RGB colour for Separation/DeviceN using a function
 */
public class ColorMapping implements Serializable {

    private static final long serialVersionUID = 2732809266903967232L;

    private final PDFFunction function;

    public ColorMapping(final PdfObjectReader currentPdfFile, final PdfObject functionObj) {

        function = FunctionFactory.getFunction(functionObj, currentPdfFile);

    }

    /**
     * Do the actual conversion
     *
     * @param values
     * @return
     */
    public float[] getOperandFloat(final float[] values) {

        return function.compute(values);

    }
}