001/* ColorUIResource.java 002 Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc. 003 004This file is part of GNU Classpath. 005 006GNU Classpath is free software; you can redistribute it and/or modify 007it under the terms of the GNU General Public License as published by 008the Free Software Foundation; either version 2, or (at your option) 009any later version. 010 011GNU Classpath is distributed in the hope that it will be useful, but 012WITHOUT ANY WARRANTY; without even the implied warranty of 013MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014General Public License for more details. 015 016You should have received a copy of the GNU General Public License 017along with GNU Classpath; see the file COPYING. If not, write to the 018Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 01902110-1301 USA. 020 021Linking this library statically or dynamically with other modules is 022making a combined work based on this library. Thus, the terms and 023conditions of the GNU General Public License cover the whole 024combination. 025 026As a special exception, the copyright holders of this library give you 027permission to link this library with independent modules to produce an 028executable, regardless of the license terms of these independent 029modules, and to copy and distribute the resulting executable under 030terms of your choice, provided that you also meet, for each linked 031independent module, the terms and conditions of the license of that 032module. An independent module is a module which is not derived from 033or based on this library. If you modify this library, you may extend 034this exception to your version of the library, but you are not 035obligated to do so. If you do not wish to do so, delete this 036exception statement from your version. */ 037 038 039package javax.swing.plaf; 040 041import java.awt.Color; 042 043 044/** 045 * A Color that is marked as <code>UIResource</code>, which indicates that 046 * the color has been installed by a pluggable LookAndFeel. Such colors 047 * are replaced when the LookAndFeel changes. 048 * 049 * @see java.awt.Color 050 * 051 * @author Sascha Brawer (brawer@dandelis.ch) 052 */ 053public class ColorUIResource extends Color implements UIResource 054{ 055 /** 056 * Constructs a <code>ColorUIResource</code> using the specified 057 * red, green, and blue values, which must be given as integers in 058 * the range of 0-255. The alpha channel value will default to 255, 059 * meaning that the color is fully opaque. 060 * 061 * @param r the red intensity, which must be in the range [0 .. 255]. 062 * @param g the green intensity, which must be in the range [0 .. 255]. 063 * @param b the blue intensity, which must be in the range [0 .. 255]. 064 * 065 * @throws IllegalArgumentException if any of the values is outside the 066 * specified range. 067 */ 068 public ColorUIResource(int r, int g, int b) 069 { 070 super(r, g, b); 071 } 072 073 074 /** 075 * Constructs a <code>ColorUIResource</code> using the specified 076 * RGB value. The blue value is in bits 0-7, green in bits 8-15, and 077 * red in bits 16-23. The other bits are ignored. The alpha value is set 078 * to 255, meaning that the color is fully opaque. 079 * 080 * @param rgb the rgb value, as discussed above. 081 */ 082 public ColorUIResource(int rgb) 083 { 084 super(rgb); 085 } 086 087 088 /** 089 * Constructs a <code>ColorUIResource</code> using the specified 090 * red, green, and blue intensities, which must be given as floats in 091 * the range of 0-1. The alpha channel value will default to 1.0f, 092 * meaning that the color is fully opaque. 093 * 094 * @param r the red intensity, which must be in the range [0.0 .. 1.0]. 095 * @param g the green intensity, which must be in the range [0.0 .. 1.0]. 096 * @param b the blue intensity, which must be in the range [0.0 .. 1.0]. 097 * 098 * @throws IllegalArgumentException if any of the values is outside the 099 * specified range. 100 */ 101 public ColorUIResource(float r, float g, float b) 102 { 103 super(r, g, b); 104 } 105 106 107 /** 108 * Constructs a <code>ColorUIResource</code>, using the intensities 109 * of another color. 110 * 111 * @param c the color whose intensities will be considered when 112 * constructing this <code>ColorUIResource</code> (<code>null</code> 113 * not permitted). 114 * 115 * @throws NullPointerException if <code>c</code> is <code>null</code>. 116 */ 117 public ColorUIResource(Color c) 118 { 119 super(c.getRGB()); 120 } 121}