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/*
* $Id: PdfSpotColor.java,v 1.45 2005/03/24 12:38:19 blowagie Exp $
* $Name: $
*
* Copyright 2001, 2002 Paulo Soares
*
*
* The Original Code is 'iText, a free JAVA-PDF library'.
*
* The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
* the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
* All Rights Reserved.
* Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
* are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
*
* Contributor(s): all the names of the contributors are added in the source code
* where applicable.
*
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*
* If you didn't download this code from the following link, you should check if
* you aren't using an obsolete version:
* http://www.lowagie.com/iText/
*/
package com.lowagie.text.pdf;
import java.awt.Color;
import java.io.IOException;
/**
* A <CODE>PdfSpotColor</CODE> defines a ColorSpace
*
* @see PdfDictionary
*/
public class PdfSpotColor{
/* The tint value */
protected float tint;
/** The color name */
public PdfName name;
/** The alternative color space */
public Color altcs;
// constructors
/**
* Constructs a new <CODE>PdfSpotColor</CODE>.
*
* @param name a String value
* @param tint a tint value between 0 and 1
* @param altcs a altnative colorspace value
*/
public PdfSpotColor(String name, float tint, Color altcs) {
this.name = new PdfName(name);
this.tint = tint;
this.altcs = altcs;
}
/**
* Gets the tint of the SpotColor.
* @return a float
*/
public float getTint() {
return tint;
}
/**
* Gets the alternative ColorSpace.
* @return a Colot
*/
public Color getAlternativeCS() {
return altcs;
}
protected PdfObject getSpotObject(PdfWriter writer) throws IOException {
PdfArray array = new PdfArray(PdfName.SEPARATION);
array.add(name);
PdfFunction func = null;
if (altcs instanceof ExtendedColor) {
int type = ((ExtendedColor)altcs).type;
// ssteward
// having trouble with unreachable bytecode in switch default (per gcj 4.4)
// so try a clumsier workaround
boolean handled_b= false;
switch (type) {
case ExtendedColor.TYPE_GRAY:
array.add(PdfName.DEVICEGRAY);
func = PdfFunction.type2(writer, new float[]{0, 1}, null, new float[]{0}, new float[]{((GrayColor)altcs).getGray()}, 1);
handled_b= true;
break;
case ExtendedColor.TYPE_CMYK:
array.add(PdfName.DEVICECMYK);
CMYKColor cmyk = (CMYKColor)altcs;
func = PdfFunction.type2(writer, new float[]{0, 1}, null, new float[]{0, 0, 0, 0},
new float[]{cmyk.getCyan(), cmyk.getMagenta(), cmyk.getYellow(), cmyk.getBlack()}, 1);
handled_b= true;
break;
// default:
// throw new RuntimeException("Only RGB, Gray and CMYK are supported as alternative color spaces.");
}
if( !handled_b ) {
throw new RuntimeException("Only RGB, Gray and CMYK are supported as alternative color spaces.");
}
}
else {
array.add(PdfName.DEVICERGB);
func = PdfFunction.type2(writer, new float[]{0, 1}, null, new float[]{1, 1, 1},
new float[]{(float)altcs.getRed() / 255, (float)altcs.getGreen() / 255, (float)altcs.getBlue() / 255}, 1);
}
array.add(func.getReference());
return array;
}
}
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