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

Constructor.

 public float[] fromCIEXYZ(float[] colorvalue) 
{
        if (colorvalue != null && colorvalue.length == 3)
        {
            // We have to convert from XYV to RGB to CMYK
            return fromRGB(fromCIEXYZtoRGB(colorvalue));
        }
        return null;
}

{@inheritDoc}

 public float[] fromRGB(float[] rgbvalue) 
{
        if (rgbvalue != null && rgbvalue.length == 3) 
        {
            // First of all we have to convert from RGB to CMY
            float c = 1 - rgbvalue[0];
            float m = 1 - rgbvalue[1];
            float y = 1 - rgbvalue[2];
            // Now we have to convert from CMY to CMYK
            float varK = 1;
            float[] cmyk = new float[4];
            if ( c <  varK )
            {
                varK = c;
            }
            if ( m <  varK )
            {
                varK = m;
            }
            if ( y <  varK ) 
            {
                varK = y;
            }
            if ( varK == 1 ) 
            {
                cmyk[0] = cmyk[1] = cmyk[2] = 0;
            }
            else 
            {
                cmyk[0] = ( c - varK ) / ( 1 - varK );
                cmyk[1] = ( m - varK ) / ( 1 - varK );
                cmyk[2] = ( y - varK ) / ( 1 - varK );
            }
            cmyk[3] = varK;
            return cmyk;
        }
        return null;
}

{@inheritDoc}

 public float[] toCIEXYZ(float[] colorvalue) 
{
        if (colorvalue != null && colorvalue.length == 4)
        {
            // We have to convert from CMYK to RGB to XYV
            return fromRGBtoCIEXYZ(toRGB(colorvalue));
        }
        return null;
}

{@inheritDoc}

 public float[] toRGB(float[] colorvalue) 
{
        if (colorvalue != null && colorvalue.length == 4) 
        {
            // First of all we have to convert from CMYK to CMY
            float c = ( colorvalue[0] * ( 1 - colorvalue[3] ) + colorvalue[3] );
            float m = ( colorvalue[1] * ( 1 - colorvalue[3] ) + colorvalue[3] );
            float y = ( colorvalue[2] * ( 1 - colorvalue[3] ) + colorvalue[3] );
            // Now we have to convert from CMY to RGB
            float[] rgbvalues = new float[3];
            rgbvalues[0] = 1 - c;
            rgbvalues[1] = 1 - m;
            rgbvalues[2] = 1 - y;
            return rgbvalues;
        }
        return null;
}

{@inheritDoc}