org.jpedal.color.FastColorSpaceCMYK 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@
 *
 * ---------------
 * FastColorSpaceCMYK.java
 * ---------------
 */
package org.jpedal.color;

import java.awt.color.ColorSpace;

import org.jpedal.external.ExternalHandlers;

public class FastColorSpaceCMYK extends ColorSpace {

    public FastColorSpaceCMYK() {
        super(ColorSpace.TYPE_CMYK, 4);
    }

    @Override
    public float[] toRGB(final float[] cv) {
        final int c = (int) (cv[0] * 255);
        final int m = (int) (cv[1] * 255);
        final int y = (int) (cv[2] * 255);
        final int k = (int) (cv[3] * 255);
        final int[] rgb = ExternalHandlers.ImageLib.convertCMYKtoRGB(c, m, y, k);
        if (rgb == null) {
            final float[] out = new float[4];
            out[0] = (1 - cv[0]) * (1 - cv[3]);
            out[1] = (1 - cv[1]) * (1 - cv[3]);
            out[2] = (1 - cv[2]) * (1 - cv[3]);
            return out;
        }
        return new float[]{rgb[0] / 255f, rgb[1] / 255f, rgb[2] / 255f};
    }

    @Override
    public float[] fromRGB(final float[] rgbvalue) {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public float[] toCIEXYZ(final float[] colorvalue) {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    @Override
    public float[] fromCIEXYZ(final float[] colorvalue) {
        throw new UnsupportedOperationException("Not supported yet.");

    }

}