GTKColorType.java revision 2362
2362N/A * Copyright (c) 2002, 2003, Oracle and/or its affiliates. All rights reserved. 0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 0N/A * This code is free software; you can redistribute it and/or modify it 0N/A * under the terms of the GNU General Public License version 2 only, as 2362N/A * published by the Free Software Foundation. Oracle designates this 0N/A * particular file as subject to the "Classpath" exception as provided 2362N/A * by Oracle in the LICENSE file that accompanied this code. 0N/A * This code is distributed in the hope that it will be useful, but WITHOUT 0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 0N/A * version 2 for more details (a copy is included in the LICENSE file that 0N/A * accompanied this code). 0N/A * You should have received a copy of the GNU General Public License version 0N/A * 2 along with this work; if not, write to the Free Software Foundation, 0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 2362N/A * or visit www.oracle.com if you need additional information or have any 0N/A * @author Scott Violet 0N/A // GTK allows you to specify the foreground and background in a 0N/A // gtkrc, the rest (dark, mid, light) are calculated from these 0N/A private static int hlsToRGB(
float h,
float l,
float s) {
0N/A float m2 = (l <= .
5f) ? (l * (
1 + s)) : (l + s - l * s);
0N/A return (((
int)(r *
255)) <<
16) | (((
int)(g *
255.0)) <<
8) |
0N/A return n1 + (
n2 -
n1) * (
240.0f - h) /
60.0f;
0N/A * Converts from RGB color space to HLS colorspace. 0N/A float r = ((
rgb &
0xFF0000) >>
16) /
255.0f;
0N/A float g = ((
rgb &
0xFF00) >>
8) /
255.0f;
0N/A float b = (
rgb &
0xFF) /
255.0f;
0N/A /* calculate lightness */ 0N/A * Creates and returns a new color derived from the passed in color. 0N/A * The transformation is done in the HLS color space using the specified 0N/A * arguments to scale. 0N/A * @param color Color to alter 0N/A * @param hFactory Amount to scale the hue 0N/A * @param lFactor Amount to scale the lightness 0N/A * @param sFactory Amount to sacle saturation 0N/A * @return newly created color