001: /*
002: * $Id: ExtendedColor.java 2367 2006-09-14 23:39:21Z xlv $
003: * $Name$
004: *
005: * Copyright 2001, 2002 by 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: *
057: * @author Paulo Soares (psoares@consiste.pt)
058: */
059: public class ExtendedColor extends Color {
060:
061: private static final long serialVersionUID = 2722660170712380080L;
062: /** a type of extended color. */
063: public static final int TYPE_RGB = 0;
064: /** a type of extended color. */
065: public static final int TYPE_GRAY = 1;
066: /** a type of extended color. */
067: public static final int TYPE_CMYK = 2;
068: /** a type of extended color. */
069: public static final int TYPE_SEPARATION = 3;
070: /** a type of extended color. */
071: public static final int TYPE_PATTERN = 4;
072: /** a type of extended color. */
073: public static final int TYPE_SHADING = 5;
074:
075: protected int type;
076:
077: /**
078: * Constructs an extended color of a certain type.
079: * @param type
080: */
081: public ExtendedColor(int type) {
082: super (0, 0, 0);
083: this .type = type;
084: }
085:
086: /**
087: * Constructs an extended color of a certain type and a certain color.
088: * @param type
089: * @param red
090: * @param green
091: * @param blue
092: */
093: public ExtendedColor(int type, float red, float green, float blue) {
094: super (normalize(red), normalize(green), normalize(blue));
095: this .type = type;
096: }
097:
098: /**
099: * Gets the type of this color.
100: * @return one of the types (see constants)
101: */
102: public int getType() {
103: return type;
104: }
105:
106: /**
107: * Gets the type of a given color.
108: * @param color
109: * @return one of the types (see constants)
110: */
111: public static int getType(Color color) {
112: if (color instanceof ExtendedColor)
113: return ((ExtendedColor) color).getType();
114: return TYPE_RGB;
115: }
116:
117: static final float normalize(float value) {
118: if (value < 0)
119: return 0;
120: if (value > 1)
121: return 1;
122: return value;
123: }
124: }
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