1 /*
2 * $Id: GrayColor.java 3427 2008-05-24 18:32:31Z xlv $
3 *
4 * Copyright 2001, 2002 by Paulo Soares.
5 *
6 * The contents of this file are subject to the Mozilla Public License Version 1.1
7 * (the "License"); you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at http://www.mozilla.org/MPL/
9 *
10 * Software distributed under the License is distributed on an "AS IS" basis,
11 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12 * for the specific language governing rights and limitations under the License.
13 *
14 * The Original Code is 'iText, a free JAVA-PDF library'.
15 *
16 * The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
17 * the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
18 * All Rights Reserved.
19 * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
20 * are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
21 *
22 * Contributor(s): all the names of the contributors are added in the source code
23 * where applicable.
24 *
25 * Alternatively, the contents of this file may be used under the terms of the
26 * LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
27 * provisions of LGPL are applicable instead of those above. If you wish to
28 * allow use of your version of this file only under the terms of the LGPL
29 * License and not to allow others to use your version of this file under
30 * the MPL, indicate your decision by deleting the provisions above and
31 * replace them with the notice and other provisions required by the LGPL.
32 * If you do not delete the provisions above, a recipient may use your version
33 * of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
34 *
35 * This library is free software; you can redistribute it and/or modify it
36 * under the terms of the MPL as stated above or under the terms of the GNU
37 * Library General Public License as published by the Free Software Foundation;
38 * either version 2 of the License, or any later version.
39 *
40 * This library is distributed in the hope that it will be useful, but WITHOUT
41 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
42 * FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
43 * details.
44 *
45 * If you didn't download this code from the following link, you should check if
46 * you aren't using an obsolete version:
47 * http://www.lowagie.com/iText/
48 */
49
50 package com.lowagie.text.pdf;
51
52 /**
53 *
54 * @author Paulo Soares (psoares@consiste.pt)
55 */
56 public class GrayColor extends ExtendedColor {
57
58 private static final long serialVersionUID = -6571835680819282746L;
59
60 private float gray;
61
62 public static final GrayColor GRAYBLACK = new GrayColor(0f);
63 public static final GrayColor GRAYWHITE = new GrayColor(1f);
64
65 public GrayColor(int intGray) {
66 this(intGray / 255f);
67 }
68
69 public GrayColor(float floatGray) {
70 super(TYPE_GRAY, floatGray, floatGray, floatGray);
71 gray = normalize(floatGray);
72 }
73
74 public float getGray() {
75 return gray;
76 }
77
78 public boolean equals(Object obj) {
79 return obj instanceof GrayColor && ((GrayColor)obj).gray == this.gray;
80 }
81
82 public int hashCode() {
83 return Float.floatToIntBits(gray);
84 }
85
86 }
87