cmykcolorspace.java

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// $Id: CMYKColorSpace.java,v 1.3 2003/11/04 17:16:01 mike Exp $

package org.faceless.pdf;

import java.awt.color.*;
import java.awt.Color;

/**
 * <p>
 * A subclass of <tt>java.awt.color.ColorSpace</tt> representing
 * the uncalibrated (device-dependent) CMYK color space available
 * in PDF documents.
 * </p><p>
 * If colors need to be specified in CMYK, but accurate color
 * (the kind available with an ICC Profile) is not required, this
 * colorspace should be used, as it doesn't require an ICC profile
 * to be embedded in the PDF (resulting in a smaller file).
 * </p>
 * @since 1.1.5
 * @version $Revision: 1.3 $
 */
public class CMYKColorSpace extends ColorSpace
{
    private org.faceless.pdf2.CMYKColorSpace wrap;
    static final CMYKColorSpace space = new CMYKColorSpace();

    private CMYKColorSpace()
    {
        super(TYPE_CMYK, 4);
	wrap=org.faceless.pdf2.CMYKColorSpace.getInstance();
    }

    /**
     * Return a CMYK Color Space
     */
    public static CMYKColorSpace getInstance()
    {
	return space;
    }

    public float[] toRGB(float[] cmyk)
    {
	return wrap.toRGB(cmyk);
    }

    public float[] fromRGB(float[] rgb)
    {
	return wrap.fromRGB(rgb);
    }

    public float[] fromCIEXYZ(float[] xyz)
    {
	return wrap.fromCIEXYZ(xyz);
    }

    public float[] toCIEXYZ(float[] cmyk)
    {
	return wrap.toCIEXYZ(cmyk);
    }

    /**
     * A convenience method, returning a color in the CMYK colorspace
     * with the specified levels of cyan, magenta, yellow and black.
     * The parameters must be in the range from 0.0 to 1.0, or an
     * <tt>IllegalArgumentException is thrown</tt>
     * @param c the level of cyan from 0.0 to 1.0
     * @param m the level of magenta from 0.0 to 1.0
     * @param y the level of yellow from 0.0 to 1.0
     * @param k the level of black from 0.0 to 1.0
     * @throws IllegalArgumentException
     */
    public static Color getColor(float c, float m, float y, float k)
    {
	return org.faceless.pdf2.CMYKColorSpace.getColor(c,m,y,k);
    }
}