svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.mapcontext / org.gvsig.fmap.mapcontext.impl / src / main / java / org / gvsig / fmap / raster / lib / legend / impl / DefaultColorManager.java @ 44831
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1 | 44831 | jjdelcerro | /* gvSIG. Desktop Geographic Information System.
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2 | *
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3 | * Copyright ? 2007-2017 gvSIG Association
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4 | *
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5 | * This program is free software; you can redistribute it and/or
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6 | * modify it under the terms of the GNU General Public License
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7 | * as published by the Free Software Foundation; either version 2
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8 | * of the License, or (at your option) any later version.
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9 | *
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10 | * This program is distributed in the hope that it will be useful,
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 | * GNU General Public License for more details.
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14 | *
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15 | * You should have received a copy of the GNU General Public License
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16 | * along with this program; if not, write to the Free Software
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17 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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18 | * MA 02110-1301, USA.
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19 | *
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20 | * For any additional information, do not hesitate to contact us
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21 | * at info AT gvsig.com, or visit our website www.gvsig.com.
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22 | */
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23 | package org.gvsig.raster.lib.legend.impl; |
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24 | |||
25 | |||
26 | |||
27 | /**
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28 | * Coversi?n de de colores y valores de pixel aplicando distintos m?todos.
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29 | *
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30 | * 31/10/2007
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31 | * @author Nacho Brodin nachobrodin@gmail.com
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32 | * 04/12/2017
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33 | * @author fdiaz
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34 | */
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35 | public class DefaultColorManager implements ColorManager { |
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36 | |||
37 | public double[] RGBtoHSL(int sourceRed, int sourceGreen, int sourceBlue) { |
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38 | double scaler, scaleg, scaleb;
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39 | double sat;
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40 | double red, green, blue;
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41 | double low, high, intens;
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42 | double hue = 0.0; |
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43 | double[] res1 = new double[3]; |
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44 | |||
45 | scaler = (double) (sourceRed / 255.0); |
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46 | scaleg = (double) (sourceGreen / 255.0); |
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47 | scaleb = (double) (sourceBlue / 255.0); |
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48 | |||
49 | high = scaler; |
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50 | |||
51 | if (scaleg > high) {
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52 | high = scaleg; |
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53 | } |
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54 | if (scaleb > high) {
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55 | high = scaleb; |
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56 | } |
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57 | low = scaler; |
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58 | if (scaleg < low) {
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59 | low = scaleg; |
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60 | } |
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61 | if (scaleb < low) {
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62 | low = scaleb; |
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63 | } |
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64 | |||
65 | intens = ((high + low) / 2.0);
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66 | if (high == low) {
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67 | sat = 0.0;
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68 | hue = 0.0;
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69 | res1[0] = (double) hue; |
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70 | res1[1] = (double) sat; |
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71 | res1[2] = (double) intens; |
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72 | } else if (high != low) { |
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73 | if (intens <= 0.5) { |
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74 | sat = (high - low) / (high + low); |
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75 | } else {
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76 | sat = (high - low) / (2 - high - low);
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77 | } |
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78 | red = (high - scaler) / (high - low); |
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79 | green = (high - scaleg) / (high - low); |
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80 | blue = (high - scaleb) / (high - low); |
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81 | if (scaler == high) {
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82 | hue = blue - green; |
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83 | } else {
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84 | if (scaleg == high) {
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85 | hue = 2 + red - blue;
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86 | } else {
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87 | if (scaleb == high) {
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88 | hue = 4 + green - red;
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89 | } |
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90 | } |
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91 | } |
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92 | hue *= 60.0;
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93 | if (hue < 0.0) { |
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94 | hue += 360.0;
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95 | } |
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96 | res1[0] = (double) (hue); |
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97 | res1[1] = (double) (sat); |
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98 | res1[2] = (double) (intens); |
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99 | } |
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100 | return res1;
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101 | } |
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102 | |||
103 | public double[] RGBtoHSV(int sourceRed, int sourceGreen, int sourceBlue) { |
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104 | double scaler, scaleg, scaleb;
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105 | double sat;
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106 | double red, green, blue;
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107 | double low, high, value;
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108 | double hue = 0.0; |
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109 | double[] res1 = new double[3]; |
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110 | |||
111 | scaler = (double) (sourceRed / 255.0); |
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112 | scaleg = (double) (sourceGreen / 255.0); |
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113 | scaleb = (double) (sourceBlue / 255.0); |
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114 | |||
115 | high = scaler; |
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116 | |||
117 | if (scaleg > high) {
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118 | high = scaleg; |
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119 | } |
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120 | if (scaleb > high) {
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121 | high = scaleb; |
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122 | } |
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123 | low = scaler; |
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124 | if (scaleg < low) {
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125 | low = scaleg; |
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126 | } |
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127 | if (scaleb < low) {
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128 | low = scaleb; |
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129 | } |
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130 | |||
131 | value = high; |
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132 | if (high == 0) { |
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133 | sat = 0.0;
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134 | hue = 0.0;
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135 | res1[0] = (double) hue; |
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136 | res1[1] = (double) sat; |
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137 | res1[2] = (double) value; |
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138 | } else {
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139 | sat = (high - low) / high; |
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140 | red = (high - scaler) / (high - low); |
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141 | green = (high - scaleg) / (high - low); |
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142 | blue = (high - scaleb) / (high - low); |
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143 | if (scaler == high) {
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144 | hue = blue - green; |
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145 | } else if (scaleg == high) { |
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146 | hue = 2 + red - blue;
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147 | } else if (scaleb == high) { |
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148 | hue = 4 + green - red;
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149 | } |
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150 | hue *= 60.0;
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151 | if (hue < 0.0) { |
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152 | hue += 360.0;
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153 | } |
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154 | res1[0] = (double) (hue); |
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155 | res1[1] = (double) (sat); |
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156 | res1[2] = (double) (value); |
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157 | } |
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158 | return res1;
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159 | } |
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160 | /**
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161 | * return HSLtoRGB((360.0 * h / 255.0), (s / 255.0), (i / 255.0));
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162 | */
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163 | public int[] HSLtoRGB(int h, int s, int l) { |
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164 | /*
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165 | * return HSLtoRGB((360.0 * h / 255.0),
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166 | * (s / 255.0),
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167 | * (i / 255.0));
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168 | */
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169 | double red; /* the red band output */ |
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170 | double red255; /* the red band output */ |
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171 | double green; /* the green band output */ |
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172 | double green255; /* the green band output */ |
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173 | double blue; /* the blue band output */ |
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174 | double blue255; /* the blue band output */ |
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175 | double m1; /* value used for determining RGB */ |
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176 | double m2; /* value used for determining RGB */ |
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177 | double scalei; /* intensity value */ |
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178 | double scales; /* saturation value */ |
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179 | double hue; /* hue */ |
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180 | double savehue; /* save the hue for future processing */ |
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181 | int[] res = new int[3]; |
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182 | |||
183 | if (h == s && h == 0) { |
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184 | res[0] = res[1] = res[2] = l; |
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185 | return res;
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186 | } |
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187 | |||
188 | red = green = blue = 0.0;
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189 | scalei = (double) (l / 255.0); |
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190 | scales = (double) (s / 255.0); |
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191 | m2 = 0.0;
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192 | |||
193 | if (scalei <= 0.50) { |
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194 | m2 = scalei * (1.0 + scales);
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195 | } else if (scalei > 0.50) { |
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196 | m2 = scalei + scales - (scalei * scales); |
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197 | } |
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198 | m1 = 2.0 * scalei - m2;
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199 | |||
200 | hue = (double) 360.0 * h / 255.0; |
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201 | |||
202 | if (scales == 0.0) { |
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203 | if (hue == -1.0) { |
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204 | red = scalei; |
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205 | green = scalei; |
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206 | blue = scalei; |
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207 | } |
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208 | } else {
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209 | savehue = hue + 120.0;
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210 | if (savehue > 360.0) { |
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211 | savehue -= 360.0;
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212 | } |
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213 | if (savehue < 0.0) { |
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214 | savehue += 360.0;
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215 | } |
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216 | if (savehue < 60.0) { |
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217 | red = m1 + (m2 - m1) * savehue / 60.0;
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218 | } else if (savehue < 180.0) { |
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219 | red = m2; |
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220 | } else if (savehue < 240.0) { |
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221 | red = m1 + (m2 - m1) * (240.0 - savehue) / 60.0; |
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222 | } else {
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223 | red = m1; |
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224 | } |
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225 | |||
226 | savehue = hue; |
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227 | if (savehue > 360.0) { |
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228 | savehue -= 360.0;
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229 | } |
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230 | if (savehue < 0.0) { |
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231 | savehue += 360.0;
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232 | } |
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233 | if (savehue < 60.0) { |
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234 | green = m1 + (m2 - m1) * savehue / 60.0;
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235 | } else if (savehue < 180.0) { |
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236 | green = m2; |
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237 | } else if (savehue < 240.0) { |
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238 | green = m1 + (m2 - m1) * (240.0 - savehue) / 60.0; |
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239 | } else {
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240 | green = m1; |
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241 | } |
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242 | savehue = hue - 120.0;
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243 | |||
244 | if (savehue > 360.0) { |
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245 | savehue -= 360.0;
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246 | } |
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247 | if (savehue < 0.0) { |
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248 | savehue += 360.0;
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249 | } |
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250 | if (savehue < 60.0) { |
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251 | blue = m1 + (m2 - m1) * savehue / 60.0;
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252 | } else if (savehue < 180.0) { |
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253 | blue = m2; |
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254 | } else if (savehue < 240.0) { |
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255 | blue = m1 + (m2 - m1) * (240.0 - savehue) / 60.0; |
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256 | } else {
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257 | blue = m1; |
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258 | } |
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259 | } |
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260 | |||
261 | red255 = red * 255.0;
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262 | green255 = green * 255.0;
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263 | blue255 = blue * 255.0;
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264 | if (red255 > 255.0) { |
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265 | red = 255.0;
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266 | } else {
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267 | red = red255; |
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268 | } |
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269 | if (green255 > 255.0) { |
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270 | green = 255.0;
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271 | } else {
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272 | green = green255; |
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273 | } |
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274 | if (blue255 > 255.0) { |
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275 | blue = 255.0;
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276 | } else {
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277 | blue = blue255; |
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278 | } |
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279 | |||
280 | //FIXME: ??????????
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281 | |||
282 | if (red > 254.5) { |
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283 | red = 254.5;
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284 | } |
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285 | if (red < 0.0) { |
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286 | red = 0.0;
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287 | } |
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288 | if (green > 254.5) { |
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289 | green = 254.5;
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290 | } |
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291 | if (green < 0.0) { |
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292 | green = 0.0;
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293 | } |
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294 | if (blue > 254.5) { |
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295 | blue = 254.5;
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296 | } |
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297 | if (blue < 0.0) { |
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298 | blue = 0.0;
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299 | } |
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300 | |||
301 | res[0] = (int) (red + 0.5); |
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302 | res[1] = (int) (green + 0.5); |
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303 | res[2] = (int) (blue + 0.5); |
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304 | return res;
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305 | } |
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306 | |||
307 | public int[] HSLtoRGB(double h, double s, double l) { |
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308 | double red; /* the red band output */ |
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309 | double red255; /* the red band output */ |
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310 | double green; /* the green band output */ |
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311 | double green255; /* the green band output */ |
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312 | double blue; /* the blue band output */ |
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313 | double blue255; /* the blue band output */ |
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314 | double m1; /* value used for determining RGB */ |
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315 | double m2; /* value used for determining RGB */ |
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316 | double scalei; /* intensity value */ |
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317 | double scales; /* saturation value */ |
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318 | double hue; /* hue */ |
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319 | double savehue; /* save the hue for future processing */ |
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320 | int[] res = new int[3]; |
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321 | |||
322 | if (h == s && h == 0) { |
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323 | res[0] = res[1] = res[2] = (int) (l * 255); |
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324 | return res;
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325 | } |
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326 | |||
327 | red = green = blue = 0.0;
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328 | scalei = l; |
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329 | scales = s; |
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330 | m2 = 0.0;
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331 | |||
332 | if (scalei <= 0.50) { |
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333 | m2 = scalei * (1.0 + scales);
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334 | } else if (scalei > 0.50) { |
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335 | m2 = scalei + scales - (scalei * scales); |
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336 | } |
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337 | m1 = 2.0 * scalei - m2;
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338 | |||
339 | hue = h; |
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340 | |||
341 | if (scales == 0.0) { |
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342 | if (hue == -1.0) { |
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343 | red = scalei; |
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344 | green = scalei; |
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345 | blue = scalei; |
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346 | } |
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347 | } else {
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348 | savehue = hue + 120.0;
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349 | if (savehue > 360.0) { |
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350 | savehue -= 360.0;
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351 | } |
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352 | if (savehue < 0.0) { |
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353 | savehue += 360.0;
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354 | } |
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355 | if (savehue < 60.0) { |
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356 | red = m1 + (m2 - m1) * savehue / 60.0;
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357 | } else if (savehue < 180.0) { |
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358 | red = m2; |
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359 | } else if (savehue < 240.0) { |
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360 | red = m1 + (m2 - m1) * (240.0 - savehue) / 60.0; |
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361 | } else {
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362 | red = m1; |
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363 | } |
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364 | |||
365 | savehue = hue; |
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366 | if (savehue > 360.0) { |
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367 | savehue -= 360.0;
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368 | } |
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369 | if (savehue < 0.0) { |
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370 | savehue += 360.0;
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371 | } |
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372 | if (savehue < 60.0) { |
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373 | green = m1 + (m2 - m1) * savehue / 60.0;
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374 | } else if (savehue < 180.0) { |
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375 | green = m2; |
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376 | } else if (savehue < 240.0) { |
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377 | green = m1 + (m2 - m1) * (240.0 - savehue) / 60.0; |
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378 | } else {
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379 | green = m1; |
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380 | } |
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381 | savehue = hue - 120.0;
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382 | |||
383 | if (savehue > 360.0) { |
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384 | savehue -= 360.0;
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385 | } |
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386 | if (savehue < 0.0) { |
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387 | savehue += 360.0;
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388 | } |
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389 | if (savehue < 60.0) { |
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390 | blue = m1 + (m2 - m1) * savehue / 60.0;
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391 | } else if (savehue < 180.0) { |
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392 | blue = m2; |
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393 | } else if (savehue < 240.0) { |
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394 | blue = m1 + (m2 - m1) * (240.0 - savehue) / 60.0; |
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395 | } else {
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396 | blue = m1; |
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397 | } |
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398 | } |
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399 | |||
400 | red255 = red * 255.0;
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401 | green255 = green * 255.0;
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402 | blue255 = blue * 255.0;
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403 | if (red255 > 255.0) { |
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404 | red = 255.0;
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405 | } else {
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406 | red = red255; |
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407 | } |
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408 | if (green255 > 255.0) { |
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409 | green = 255.0;
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410 | } else {
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411 | green = green255; |
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412 | } |
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413 | if (blue255 > 255.0) { |
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414 | blue = 255.0;
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415 | } else {
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416 | blue = blue255; |
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417 | } |
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418 | |||
419 | if (red > 254.5) { |
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420 | red = 254.5;
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421 | } |
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422 | if (red < 0.0) { |
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423 | red = 0.0;
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424 | } |
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425 | if (green > 254.5) { |
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426 | green = 254.5;
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427 | } |
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428 | if (green < 0.0) { |
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429 | green = 0.0;
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430 | } |
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431 | if (blue > 254.5) { |
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432 | blue = 254.5;
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433 | } |
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434 | if (blue < 0.0) { |
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435 | blue = 0.0;
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436 | } |
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437 | |||
438 | res[0] = (int) (red + 0.5); |
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439 | res[1] = (int) (green + 0.5); |
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440 | res[2] = (int) (blue + 0.5); |
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441 | return res;
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442 | } |
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443 | |||
444 | public double[] RGBtoCMYK(int red, int green, int blue, double kScale) { |
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445 | double[] cmyk = new double[4]; |
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446 | double r = red / 255D; |
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447 | double g = green / 255D; |
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448 | double b = blue / 255D; |
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449 | cmyk[3] = 1D - Math.max(r, Math.max(g, b)); |
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450 | |||
451 | cmyk[0] = 0; |
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452 | cmyk[1] = 0; |
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453 | cmyk[2] = 0; |
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454 | if(cmyk[3]!=1){ |
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455 | cmyk[0] = ((double) (1 - r - cmyk[3]) / (double) (1D - cmyk[3])) * kScale; |
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456 | cmyk[1] = ((double) (1 - g - cmyk[3]) / (double) (1D - cmyk[3])) * kScale; |
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457 | cmyk[2] = ((double) (1 - b - cmyk[3]) / (double) (1D - cmyk[3])) * kScale; |
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458 | } |
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459 | cmyk[3] *= kScale;
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460 | return cmyk;
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461 | } |
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462 | |||
463 | public double[] CMYKtoRGB(double cyan, double magenta, double yellow, double key) { |
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464 | double[] rgb = new double[3]; |
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465 | |||
466 | rgb[0] = (1D - cyan)*(1-key); |
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467 | rgb[1] = (1D - magenta)*(1-key); |
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468 | rgb[2] = (1D - yellow)*(1-key); |
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469 | |||
470 | return rgb;
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471 | } |
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472 | |||
473 | public double getLuminosity(int red, int green, int blue) { |
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474 | double scaler, scaleg, scaleb;
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475 | double low, high;
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476 | |||
477 | scaler = (double) (red / 255.0); |
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478 | scaleg = (double) (green / 255.0); |
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479 | scaleb = (double) (blue / 255.0); |
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480 | |||
481 | high = scaler; |
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482 | |||
483 | if (scaleg > high) {
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484 | high = scaleg; |
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485 | } |
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486 | if (scaleb > high) {
|
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487 | high = scaleb; |
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488 | } |
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489 | low = scaler; |
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490 | if (scaleg < low) {
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491 | low = scaleg; |
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492 | } |
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493 | if (scaleb < low) {
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494 | low = scaleb; |
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495 | } |
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496 | |||
497 | return ((high + low) / 2.0); |
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498 | } |
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499 | |||
500 | public byte[] getARGBFromIntToByteArray(int rgb) { |
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501 | byte[] b = new byte[4]; |
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502 | b[0] = (byte) ((rgb & 0x00ff0000) >> 16); |
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503 | b[1] = (byte) ((rgb & 0x0000ff00) >> 8); |
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504 | b[2] = (byte) (rgb & 0x000000ff); |
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505 | b[3] = (byte) ((rgb & 0xff000000) >> 24); |
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506 | return b;
|
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507 | } |
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508 | |||
509 | public int[] getARGBFromIntToIntArray(int rgb) { |
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510 | int[] i = new int[4]; |
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511 | i[0] = (((rgb & 0x00ff0000) >> 16) & 0xff); |
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512 | i[1] = (((rgb & 0x0000ff00) >> 8) & 0xff); |
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513 | i[2] = ((rgb & 0x000000ff) & 0xff); |
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514 | i[3] = (((rgb & 0xff000000) >> 24) & 0xff); |
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515 | return i;
|
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516 | } |
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517 | |||
518 | public int getIntFromARGB(int a, int r, int g, int b) { |
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519 | return (((a & 0xff) << 24) + ((r & 0xff) << 16) + ((g & 0xff) << 8) + (b & 0xff)); |
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520 | } |
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521 | |||
522 | } |