svn-gvsig-desktop / branches / org.gvsig.desktop-2018a / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.mapcontext / org.gvsig.fmap.mapcontext.impl / src / main / java / org / gvsig / raster / lib / legend / impl / DefaultColorManager.java @ 43803
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/* gvSIG. Desktop Geographic Information System.
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*
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* Copyright ? 2007-2017 gvSIG Association
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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* For any additional information, do not hesitate to contact us
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* at info AT gvsig.com, or visit our website www.gvsig.com.
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*/
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package org.gvsig.raster.lib.legend.impl; |
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/**
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* Coversi?n de de colores y valores de pixel aplicando distintos m?todos.
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*
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* 31/10/2007
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* @author Nacho Brodin nachobrodin@gmail.com
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* 04/12/2017
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* @author fdiaz
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*/
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public class DefaultColorManager implements ColorManager { |
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public double[] RGBtoHSL(int sourceRed, int sourceGreen, int sourceBlue) { |
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double scaler, scaleg, scaleb;
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double sat;
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double red, green, blue;
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double low, high, intens;
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double hue = 0.0; |
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double[] res1 = new double[3]; |
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scaler = (double) (sourceRed / 255.0); |
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scaleg = (double) (sourceGreen / 255.0); |
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scaleb = (double) (sourceBlue / 255.0); |
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high = scaler; |
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if (scaleg > high) {
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high = scaleg; |
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} |
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if (scaleb > high) {
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high = scaleb; |
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} |
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low = scaler; |
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if (scaleg < low) {
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low = scaleg; |
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} |
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if (scaleb < low) {
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low = scaleb; |
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} |
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intens = ((high + low) / 2.0);
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if (high == low) {
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sat = 0.0;
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hue = 0.0;
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res1[0] = (double) hue; |
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res1[1] = (double) sat; |
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res1[2] = (double) intens; |
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} else if (high != low) { |
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if (intens <= 0.5) { |
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sat = (high - low) / (high + low); |
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} else {
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sat = (high - low) / (2 - high - low);
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} |
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red = (high - scaler) / (high - low); |
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green = (high - scaleg) / (high - low); |
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blue = (high - scaleb) / (high - low); |
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if (scaler == high) {
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hue = blue - green; |
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} else {
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if (scaleg == high) {
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hue = 2 + red - blue;
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} else {
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if (scaleb == high) {
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hue = 4 + green - red;
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} |
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} |
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} |
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hue *= 60.0;
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if (hue < 0.0) { |
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hue += 360.0;
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} |
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res1[0] = (double) (hue); |
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res1[1] = (double) (sat); |
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res1[2] = (double) (intens); |
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} |
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return res1;
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} |
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public double[] RGBtoHSV(int sourceRed, int sourceGreen, int sourceBlue) { |
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double scaler, scaleg, scaleb;
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double sat;
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double red, green, blue;
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double low, high, value;
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double hue = 0.0; |
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double[] res1 = new double[3]; |
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scaler = (double) (sourceRed / 255.0); |
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scaleg = (double) (sourceGreen / 255.0); |
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scaleb = (double) (sourceBlue / 255.0); |
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high = scaler; |
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if (scaleg > high) {
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high = scaleg; |
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} |
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if (scaleb > high) {
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high = scaleb; |
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} |
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low = scaler; |
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if (scaleg < low) {
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low = scaleg; |
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} |
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if (scaleb < low) {
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low = scaleb; |
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} |
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value = high; |
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if (high == 0) { |
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sat = 0.0;
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hue = 0.0;
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res1[0] = (double) hue; |
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res1[1] = (double) sat; |
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res1[2] = (double) value; |
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} else {
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sat = (high - low) / high; |
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red = (high - scaler) / (high - low); |
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green = (high - scaleg) / (high - low); |
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blue = (high - scaleb) / (high - low); |
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if (scaler == high) {
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hue = blue - green; |
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} else if (scaleg == high) { |
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hue = 2 + red - blue;
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} else if (scaleb == high) { |
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hue = 4 + green - red;
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} |
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hue *= 60.0;
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if (hue < 0.0) { |
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hue += 360.0;
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} |
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res1[0] = (double) (hue); |
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res1[1] = (double) (sat); |
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res1[2] = (double) (value); |
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} |
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return res1;
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} |
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/**
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* return HSLtoRGB((360.0 * h / 255.0), (s / 255.0), (i / 255.0));
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*/
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public int[] HSLtoRGB(int h, int s, int l) { |
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/*
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* return HSLtoRGB((360.0 * h / 255.0),
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* (s / 255.0),
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* (i / 255.0));
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*/
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double red; /* the red band output */ |
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double red255; /* the red band output */ |
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double green; /* the green band output */ |
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double green255; /* the green band output */ |
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double blue; /* the blue band output */ |
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double blue255; /* the blue band output */ |
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double m1; /* value used for determining RGB */ |
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double m2; /* value used for determining RGB */ |
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double scalei; /* intensity value */ |
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double scales; /* saturation value */ |
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double hue; /* hue */ |
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double savehue; /* save the hue for future processing */ |
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int[] res = new int[3]; |
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if (h == s && h == 0) { |
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res[0] = res[1] = res[2] = l; |
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return res;
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} |
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red = green = blue = 0.0;
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scalei = (double) (l / 255.0); |
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scales = (double) (s / 255.0); |
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m2 = 0.0;
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if (scalei <= 0.50) { |
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m2 = scalei * (1.0 + scales);
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} else if (scalei > 0.50) { |
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m2 = scalei + scales - (scalei * scales); |
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} |
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m1 = 2.0 * scalei - m2;
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hue = (double) 360.0 * h / 255.0; |
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if (scales == 0.0) { |
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if (hue == -1.0) { |
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red = scalei; |
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green = scalei; |
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blue = scalei; |
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} |
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} else {
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savehue = hue + 120.0;
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if (savehue > 360.0) { |
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savehue -= 360.0;
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} |
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if (savehue < 0.0) { |
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savehue += 360.0;
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} |
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if (savehue < 60.0) { |
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red = m1 + (m2 - m1) * savehue / 60.0;
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} else if (savehue < 180.0) { |
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red = m2; |
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} else if (savehue < 240.0) { |
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red = m1 + (m2 - m1) * (240.0 - savehue) / 60.0; |
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} else {
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red = m1; |
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} |
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savehue = hue; |
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if (savehue > 360.0) { |
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savehue -= 360.0;
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} |
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if (savehue < 0.0) { |
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savehue += 360.0;
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} |
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if (savehue < 60.0) { |
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green = m1 + (m2 - m1) * savehue / 60.0;
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} else if (savehue < 180.0) { |
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green = m2; |
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} else if (savehue < 240.0) { |
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green = m1 + (m2 - m1) * (240.0 - savehue) / 60.0; |
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} else {
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green = m1; |
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} |
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savehue = hue - 120.0;
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if (savehue > 360.0) { |
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savehue -= 360.0;
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} |
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if (savehue < 0.0) { |
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savehue += 360.0;
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} |
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if (savehue < 60.0) { |
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blue = m1 + (m2 - m1) * savehue / 60.0;
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} else if (savehue < 180.0) { |
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blue = m2; |
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} else if (savehue < 240.0) { |
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blue = m1 + (m2 - m1) * (240.0 - savehue) / 60.0; |
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} else {
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blue = m1; |
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} |
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} |
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red255 = red * 255.0;
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green255 = green * 255.0;
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blue255 = blue * 255.0;
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if (red255 > 255.0) { |
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red = 255.0;
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} else {
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red = red255; |
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} |
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if (green255 > 255.0) { |
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green = 255.0;
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} else {
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green = green255; |
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} |
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if (blue255 > 255.0) { |
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blue = 255.0;
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} else {
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blue = blue255; |
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} |
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//FIXME: ??????????
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if (red > 254.5) { |
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red = 254.5;
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} |
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if (red < 0.0) { |
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red = 0.0;
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} |
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if (green > 254.5) { |
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green = 254.5;
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} |
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if (green < 0.0) { |
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green = 0.0;
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} |
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if (blue > 254.5) { |
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blue = 254.5;
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} |
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if (blue < 0.0) { |
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blue = 0.0;
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} |
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res[0] = (int) (red + 0.5); |
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res[1] = (int) (green + 0.5); |
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res[2] = (int) (blue + 0.5); |
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return res;
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} |
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public int[] HSLtoRGB(double h, double s, double l) { |
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double red; /* the red band output */ |
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double red255; /* the red band output */ |
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double green; /* the green band output */ |
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double green255; /* the green band output */ |
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double blue; /* the blue band output */ |
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double blue255; /* the blue band output */ |
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double m1; /* value used for determining RGB */ |
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double m2; /* value used for determining RGB */ |
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double scalei; /* intensity value */ |
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double scales; /* saturation value */ |
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double hue; /* hue */ |
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double savehue; /* save the hue for future processing */ |
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int[] res = new int[3]; |
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if (h == s && h == 0) { |
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res[0] = res[1] = res[2] = (int) (l * 255); |
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return res;
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} |
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red = green = blue = 0.0;
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scalei = l; |
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scales = s; |
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m2 = 0.0;
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if (scalei <= 0.50) { |
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m2 = scalei * (1.0 + scales);
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} else if (scalei > 0.50) { |
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m2 = scalei + scales - (scalei * scales); |
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} |
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m1 = 2.0 * scalei - m2;
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hue = h; |
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if (scales == 0.0) { |
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if (hue == -1.0) { |
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red = scalei; |
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green = scalei; |
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blue = scalei; |
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} |
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} else {
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savehue = hue + 120.0;
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if (savehue > 360.0) { |
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savehue -= 360.0;
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} |
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if (savehue < 0.0) { |
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savehue += 360.0;
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} |
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if (savehue < 60.0) { |
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red = m1 + (m2 - m1) * savehue / 60.0;
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} else if (savehue < 180.0) { |
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red = m2; |
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} else if (savehue < 240.0) { |
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red = m1 + (m2 - m1) * (240.0 - savehue) / 60.0; |
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} else {
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red = m1; |
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} |
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savehue = hue; |
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if (savehue > 360.0) { |
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savehue -= 360.0;
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} |
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if (savehue < 0.0) { |
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savehue += 360.0;
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} |
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if (savehue < 60.0) { |
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green = m1 + (m2 - m1) * savehue / 60.0;
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} else if (savehue < 180.0) { |
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green = m2; |
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} else if (savehue < 240.0) { |
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green = m1 + (m2 - m1) * (240.0 - savehue) / 60.0; |
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} else {
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green = m1; |
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} |
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savehue = hue - 120.0;
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if (savehue > 360.0) { |
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savehue -= 360.0;
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} |
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if (savehue < 0.0) { |
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savehue += 360.0;
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} |
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if (savehue < 60.0) { |
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blue = m1 + (m2 - m1) * savehue / 60.0;
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} else if (savehue < 180.0) { |
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blue = m2; |
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} else if (savehue < 240.0) { |
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blue = m1 + (m2 - m1) * (240.0 - savehue) / 60.0; |
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} else {
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blue = m1; |
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} |
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} |
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red255 = red * 255.0;
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green255 = green * 255.0;
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blue255 = blue * 255.0;
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if (red255 > 255.0) { |
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red = 255.0;
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} else {
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red = red255; |
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} |
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if (green255 > 255.0) { |
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green = 255.0;
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} else {
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green = green255; |
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} |
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if (blue255 > 255.0) { |
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blue = 255.0;
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} else {
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blue = blue255; |
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} |
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if (red > 254.5) { |
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red = 254.5;
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} |
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if (red < 0.0) { |
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red = 0.0;
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} |
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if (green > 254.5) { |
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green = 254.5;
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} |
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if (green < 0.0) { |
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green = 0.0;
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} |
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if (blue > 254.5) { |
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blue = 254.5;
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} |
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if (blue < 0.0) { |
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blue = 0.0;
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} |
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res[0] = (int) (red + 0.5); |
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res[1] = (int) (green + 0.5); |
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res[2] = (int) (blue + 0.5); |
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return res;
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} |
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public double[] RGBtoCMYK(int red, int green, int blue, double kScale) { |
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double[] cmyk = new double[4]; |
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double r = red / 255D; |
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double g = green / 255D; |
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double b = blue / 255D; |
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cmyk[3] = 1D - Math.max(r, Math.max(g, b)); |
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|
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cmyk[0] = 0; |
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cmyk[1] = 0; |
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cmyk[2] = 0; |
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if(cmyk[3]!=1){ |
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cmyk[0] = ((double) (1 - r - cmyk[3]) / (double) (1D - cmyk[3])) * kScale; |
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cmyk[1] = ((double) (1 - g - cmyk[3]) / (double) (1D - cmyk[3])) * kScale; |
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cmyk[2] = ((double) (1 - b - cmyk[3]) / (double) (1D - cmyk[3])) * kScale; |
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} |
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cmyk[3] *= kScale;
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return cmyk;
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} |
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public double[] CMYKtoRGB(double cyan, double magenta, double yellow, double key) { |
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double[] rgb = new double[3]; |
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rgb[0] = (1D - cyan)*(1-key); |
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rgb[1] = (1D - magenta)*(1-key); |
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rgb[2] = (1D - yellow)*(1-key); |
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return rgb;
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} |
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|
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public double getLuminosity(int red, int green, int blue) { |
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double scaler, scaleg, scaleb;
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double low, high;
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|
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scaler = (double) (red / 255.0); |
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scaleg = (double) (green / 255.0); |
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scaleb = (double) (blue / 255.0); |
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high = scaler; |
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|
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if (scaleg > high) {
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high = scaleg; |
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} |
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if (scaleb > high) {
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high = scaleb; |
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} |
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low = scaler; |
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if (scaleg < low) {
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low = scaleg; |
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} |
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if (scaleb < low) {
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low = scaleb; |
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} |
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return ((high + low) / 2.0); |
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} |
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|
| 500 |
public byte[] getARGBFromIntToByteArray(int rgb) { |
| 501 |
byte[] b = new byte[4]; |
| 502 |
b[0] = (byte) ((rgb & 0x00ff0000) >> 16); |
| 503 |
b[1] = (byte) ((rgb & 0x0000ff00) >> 8); |
| 504 |
b[2] = (byte) (rgb & 0x000000ff); |
| 505 |
b[3] = (byte) ((rgb & 0xff000000) >> 24); |
| 506 |
return b;
|
| 507 |
} |
| 508 |
|
| 509 |
public int[] getARGBFromIntToIntArray(int rgb) { |
| 510 |
int[] i = new int[4]; |
| 511 |
i[0] = (((rgb & 0x00ff0000) >> 16) & 0xff); |
| 512 |
i[1] = (((rgb & 0x0000ff00) >> 8) & 0xff); |
| 513 |
i[2] = ((rgb & 0x000000ff) & 0xff); |
| 514 |
i[3] = (((rgb & 0xff000000) >> 24) & 0xff); |
| 515 |
return i;
|
| 516 |
} |
| 517 |
|
| 518 |
public int getIntFromARGB(int a, int r, int g, int b) { |
| 519 |
return (((a & 0xff) << 24) + ((r & 0xff) << 16) + ((g & 0xff) << 8) + (b & 0xff)); |
| 520 |
} |
| 521 |
|
| 522 |
} |