001: /*
002: * $Id: PdfSpotColor.java 2366 2006-09-14 23:10:58Z xlv $
003: * $Name$
004: *
005: * Copyright 2001, 2002 Paulo Soares
006: *
007: * The contents of this file are subject to the Mozilla Public License Version 1.1
008: * (the "License"); you may not use this file except in compliance with the License.
009: * You may obtain a copy of the License at http://www.mozilla.org/MPL/
010: *
011: * Software distributed under the License is distributed on an "AS IS" basis,
012: * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
013: * for the specific language governing rights and limitations under the License.
014: *
015: * The Original Code is 'iText, a free JAVA-PDF library'.
016: *
017: * The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
018: * the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
019: * All Rights Reserved.
020: * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
021: * are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
022: *
023: * Contributor(s): all the names of the contributors are added in the source code
024: * where applicable.
025: *
026: * Alternatively, the contents of this file may be used under the terms of the
027: * LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
028: * provisions of LGPL are applicable instead of those above. If you wish to
029: * allow use of your version of this file only under the terms of the LGPL
030: * License and not to allow others to use your version of this file under
031: * the MPL, indicate your decision by deleting the provisions above and
032: * replace them with the notice and other provisions required by the LGPL.
033: * If you do not delete the provisions above, a recipient may use your version
034: * of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
035: *
036: * This library is free software; you can redistribute it and/or modify it
037: * under the terms of the MPL as stated above or under the terms of the GNU
038: * Library General Public License as published by the Free Software Foundation;
039: * either version 2 of the License, or any later version.
040: *
041: * This library is distributed in the hope that it will be useful, but WITHOUT
042: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
043: * FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
044: * details.
045: *
046: * If you didn't download this code from the following link, you should check if
047: * you aren't using an obsolete version:
048: * http://www.lowagie.com/iText/
049: */
050:
051: package com.lowagie.text.pdf;
052:
053: import java.awt.Color;
054:
055: /**
056: * A <CODE>PdfSpotColor</CODE> defines a ColorSpace
057: *
058: * @see PdfDictionary
059: */
060:
061: public class PdfSpotColor {
062:
063: /* The tint value */
064: protected float tint;
065:
066: /** The color name */
067: public PdfName name;
068:
069: /** The alternative color space */
070: public Color altcs;
071:
072: // constructors
073:
074: /**
075: * Constructs a new <CODE>PdfSpotColor</CODE>.
076: *
077: * @param name a String value
078: * @param tint a tint value between 0 and 1
079: * @param altcs a altnative colorspace value
080: */
081:
082: public PdfSpotColor(String name, float tint, Color altcs) {
083: this .name = new PdfName(name);
084: this .tint = tint;
085: this .altcs = altcs;
086: }
087:
088: /**
089: * Gets the tint of the SpotColor.
090: * @return a float
091: */
092: public float getTint() {
093: return tint;
094: }
095:
096: /**
097: * Gets the alternative ColorSpace.
098: * @return a Colot
099: */
100: public Color getAlternativeCS() {
101: return altcs;
102: }
103:
104: protected PdfObject getSpotObject(PdfWriter writer) {
105: PdfArray array = new PdfArray(PdfName.SEPARATION);
106: array.add(name);
107: PdfFunction func = null;
108: if (altcs instanceof ExtendedColor) {
109: int type = ((ExtendedColor) altcs).type;
110: switch (type) {
111: case ExtendedColor.TYPE_GRAY:
112: array.add(PdfName.DEVICEGRAY);
113: func = PdfFunction.type2(writer, new float[] { 0, 1 },
114: null, new float[] { 0 },
115: new float[] { ((GrayColor) altcs).getGray() },
116: 1);
117: break;
118: case ExtendedColor.TYPE_CMYK:
119: array.add(PdfName.DEVICECMYK);
120: CMYKColor cmyk = (CMYKColor) altcs;
121: func = PdfFunction.type2(writer, new float[] { 0, 1 },
122: null, new float[] { 0, 0, 0, 0 }, new float[] {
123: cmyk.getCyan(), cmyk.getMagenta(),
124: cmyk.getYellow(), cmyk.getBlack() }, 1);
125: break;
126: default:
127: throw new RuntimeException(
128: "Only RGB, Gray and CMYK are supported as alternative color spaces.");
129: }
130: } else {
131: array.add(PdfName.DEVICERGB);
132: func = PdfFunction.type2(writer, new float[] { 0, 1 },
133: null, new float[] { 1, 1, 1 }, new float[] {
134: (float) altcs.getRed() / 255,
135: (float) altcs.getGreen() / 255,
136: (float) altcs.getBlue() / 255 }, 1);
137: }
138: array.add(func.getReference());
139: return array;
140: }
141: }
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