package javajs.util; import java.util.Hashtable; import java.util.Map; import javajs.api.GenericColor; /** * ColorUtility * */ public class CU { public static String toRGBHexString(GenericColor c) { int rgb = c.getRGB(); if (rgb == 0) return "000000"; String r = "00" + Integer.toHexString((rgb >> 16) & 0xFF); r = r.substring(r.length() - 2); String g = "00" + Integer.toHexString((rgb >> 8) & 0xFF); g = g.substring(g.length() - 2); String b = "00" + Integer.toHexString(rgb & 0xFF); b = b.substring(b.length() - 2); return r + g + b; } public static String toCSSString(GenericColor c) { int opacity = c.getOpacity255(); if (opacity == 255) return "#" + toRGBHexString(c); int rgb = c.getRGB(); return "rgba(" + ((rgb>>16)&0xFF) + "," + ((rgb>>8)&0xff) + "," + (rgb&0xff) + "," + opacity/255f + ")"; } private final static String[] colorNames = { "black", // 000000 "pewhite", // ffffff "pecyan", // 00ffff "pepurple", // d020ff "pegreen", // 00ff00 "peblue", // 6060ff "peviolet", // ff80c0 "pebrown", // a42028 "pepink", // ffd8d8 "peyellow", // ffff00 "pedarkgreen", // 00c000 "peorange", // ffb000 "pelightblue", // b0b0ff "pedarkcyan", // 00a0a0 "pedarkgray", // 606060 "aliceblue", // F0F8FF "antiquewhite", // FAEBD7 "aqua", // 00FFFF "aquamarine", // 7FFFD4 "azure", // F0FFFF "beige", // F5F5DC "bisque", // FFE4C4 "blanchedalmond", // FFEBCD "blue", // 0000FF "blueviolet", // 8A2BE2 "brown", // A52A2A "burlywood", // DEB887 "cadetblue", // 5F9EA0 "chartreuse", // 7FFF00 "chocolate", // D2691E "coral", // FF7F50 "cornflowerblue", // 6495ED "cornsilk", // FFF8DC "crimson", // DC143C "cyan", // 00FFFF "darkblue", // 00008B "darkcyan", // 008B8B "darkgoldenrod", // B8860B "darkgray", // A9A9A9 "darkgreen", // 006400 "darkkhaki", // BDB76B "darkmagenta", // 8B008B "darkolivegreen", // 556B2F "darkorange", // FF8C00 "darkorchid", // 9932CC "darkred", // 8B0000 "darksalmon", // E9967A "darkseagreen", // 8FBC8F "darkslateblue", // 483D8B "darkslategray", // 2F4F4F "darkturquoise", // 00CED1 "darkviolet", // 9400D3 "deeppink", // FF1493 "deepskyblue", // 00BFFF "dimgray", // 696969 "dodgerblue", // 1E90FF "firebrick", // B22222 "floralwhite", // FFFAF0 16775920 "forestgreen", // 228B22 "fuchsia", // FF00FF "gainsboro", // DCDCDC "ghostwhite", // F8F8FF "gold", // FFD700 "goldenrod", // DAA520 "gray", // 808080 "green", // 008000 "greenyellow", // ADFF2F "honeydew", // F0FFF0 "hotpink", // FF69B4 "indianred", // CD5C5C "indigo", // 4B0082 "ivory", // FFFFF0 "khaki", // F0E68C "lavender", // E6E6FA "lavenderblush", // FFF0F5 "lawngreen", // 7CFC00 "lemonchiffon", // FFFACD "lightblue", // ADD8E6 "lightcoral", // F08080 "lightcyan", // E0FFFF "lightgoldenrodyellow", // FAFAD2 "lightgreen", // 90EE90 "lightgrey", // D3D3D3 "lightgray", // D3D3D3 "lightpink", // FFB6C1 "lightsalmon", // FFA07A "lightseagreen", // 20B2AA "lightskyblue", // 87CEFA "lightslategray", // 778899 "lightsteelblue", // B0C4DE "lightyellow", // FFFFE0 "lime", // 00FF00 "limegreen", // 32CD32 "linen", // FAF0E6 "magenta", // FF00FF "maroon", // 800000 "mediumaquamarine", // 66CDAA "mediumblue", // 0000CD "mediumorchid", // BA55D3 "mediumpurple", // 9370DB "mediumseagreen", // 3CB371 "mediumslateblue", // 7B68EE "mediumspringgreen", // 00FA9A "mediumturquoise", // 48D1CC "mediumvioletred", // C71585 "midnightblue", // 191970 "mintcream", // F5FFFA "mistyrose", // FFE4E1 "moccasin", // FFE4B5 "navajowhite", // FFDEAD "navy", // 000080 "oldlace", // FDF5E6 "olive", // 808000 "olivedrab", // 6B8E23 "orange", // FFA500 "orangered", // FF4500 "orchid", // DA70D6 "palegoldenrod", // EEE8AA "palegreen", // 98FB98 "paleturquoise", // AFEEEE "palevioletred", // DB7093 "papayawhip", // FFEFD5 "peachpuff", // FFDAB9 "peru", // CD853F "pink", // FFC0CB "plum", // DDA0DD "powderblue", // B0E0E6 "purple", // 800080 "red", // FF0000 "rosybrown", // BC8F8F "royalblue", // 4169E1 "saddlebrown", // 8B4513 "salmon", // FA8072 "sandybrown", // F4A460 "seagreen", // 2E8B57 "seashell", // FFF5EE "sienna", // A0522D "silver", // C0C0C0 "skyblue", // 87CEEB "slateblue", // 6A5ACD "slategray", // 708090 "snow", // FFFAFA 16775930 "springgreen", // 00FF7F "steelblue", // 4682B4 "tan", // D2B48C "teal", // 008080 "thistle", // D8BFD8 "tomato", // FF6347 "turquoise", // 40E0D0 "violet", // EE82EE "wheat", // F5DEB3 "white", // FFFFFF 16777215 "whitesmoke", // F5F5F5 "yellow", // FFFF00 "yellowgreen", // 9ACD32 // plus a few rasmol names/values "bluetint", // AFD7FF "greenblue", // 2E8B57 "greentint", // 98FFB3 "grey", // 808080 "gray", "pinktint", // FFABBB "redorange", // FF4500 "yellowtint", // F6F675 }; private final static int[] colorArgbs = { //#FFFFC3 hover 0xFF000000, // black // plus the PE chain colors 0xFFffffff, // pewhite 0xFF00ffff, // pecyan 0xFFd020ff, // pepurple 0xFF00ff00, // pegreen 0xFF6060ff, // peblue 0xFFff80c0, // peviolet 0xFFa42028, // pebrown 0xFFffd8d8, // pepink 0xFFffff00, // peyellow 0xFF00c000, // pedarkgreen 0xFFffb000, // peorange 0xFFb0b0ff, // pelightblue 0xFF00a0a0, // pedarkcyan 0xFF606060, // pedarkgray // standard JavaScript 0xFFF0F8FF, // aliceblue 0xFFFAEBD7, // antiquewhite 0xFF00FFFF, // aqua 0xFF7FFFD4, // aquamarine 0xFFF0FFFF, // azure 0xFFF5F5DC, // beige 0xFFFFE4C4, // bisque 0xFFFFEBCD, // blanchedalmond 0xFF0000FF, // blue 0xFF8A2BE2, // blueviolet 0xFFA52A2A, // brown 0xFFDEB887, // burlywood 0xFF5F9EA0, // cadetblue 0xFF7FFF00, // chartreuse 0xFFD2691E, // chocolate 0xFFFF7F50, // coral 0xFF6495ED, // cornflowerblue 0xFFFFF8DC, // cornsilk 0xFFDC143C, // crimson 0xFF00FFFF, // cyan 0xFF00008B, // darkblue 0xFF008B8B, // darkcyan 0xFFB8860B, // darkgoldenrod 0xFFA9A9A9, // darkgray 0xFF006400, // darkgreen 0xFFBDB76B, // darkkhaki 0xFF8B008B, // darkmagenta 0xFF556B2F, // darkolivegreen 0xFFFF8C00, // darkorange 0xFF9932CC, // darkorchid 0xFF8B0000, // darkred 0xFFE9967A, // darksalmon 0xFF8FBC8F, // darkseagreen 0xFF483D8B, // darkslateblue 0xFF2F4F4F, // darkslategray 0xFF00CED1, // darkturquoise 0xFF9400D3, // darkviolet 0xFFFF1493, // deeppink 0xFF00BFFF, // deepskyblue 0xFF696969, // dimgray 0xFF1E90FF, // dodgerblue 0xFFB22222, // firebrick 0xFFFFFAF0, // floralwhite 0xFF228B22, // forestgreen 0xFFFF00FF, // fuchsia 0xFFDCDCDC, // gainsboro 0xFFF8F8FF, // ghostwhite 0xFFFFD700, // gold 0xFFDAA520, // goldenrod 0xFF808080, // gray 0xFF008000, // green 0xFFADFF2F, // greenyellow 0xFFF0FFF0, // honeydew 0xFFFF69B4, // hotpink 0xFFCD5C5C, // indianred 0xFF4B0082, // indigo 0xFFFFFFF0, // ivory 0xFFF0E68C, // khaki 0xFFE6E6FA, // lavender 0xFFFFF0F5, // lavenderblush 0xFF7CFC00, // lawngreen 0xFFFFFACD, // lemonchiffon 0xFFADD8E6, // lightblue 0xFFF08080, // lightcoral 0xFFE0FFFF, // lightcyan 0xFFFAFAD2, // lightgoldenrodyellow 0xFF90EE90, // lightgreen 0xFFD3D3D3, // lightgrey 0xFFD3D3D3, // lightgray 0xFFFFB6C1, // lightpink 0xFFFFA07A, // lightsalmon 0xFF20B2AA, // lightseagreen 0xFF87CEFA, // lightskyblue 0xFF778899, // lightslategray 0xFFB0C4DE, // lightsteelblue 0xFFFFFFE0, // lightyellow 0xFF00FF00, // lime 0xFF32CD32, // limegreen 0xFFFAF0E6, // linen 0xFFFF00FF, // magenta 0xFF800000, // maroon 0xFF66CDAA, // mediumaquamarine 0xFF0000CD, // mediumblue 0xFFBA55D3, // mediumorchid 0xFF9370DB, // mediumpurple 0xFF3CB371, // mediumseagreen 0xFF7B68EE, // mediumslateblue 0xFF00FA9A, // mediumspringgreen 0xFF48D1CC, // mediumturquoise 0xFFC71585, // mediumvioletred 0xFF191970, // midnightblue 0xFFF5FFFA, // mintcream 0xFFFFE4E1, // mistyrose 0xFFFFE4B5, // moccasin 0xFFFFDEAD, // navajowhite 0xFF000080, // navy 0xFFFDF5E6, // oldlace 0xFF808000, // olive 0xFF6B8E23, // olivedrab 0xFFFFA500, // orange 0xFFFF4500, // orangered 0xFFDA70D6, // orchid 0xFFEEE8AA, // palegoldenrod 0xFF98FB98, // palegreen 0xFFAFEEEE, // paleturquoise 0xFFDB7093, // palevioletred 0xFFFFEFD5, // papayawhip 0xFFFFDAB9, // peachpuff 0xFFCD853F, // peru 0xFFFFC0CB, // pink 0xFFDDA0DD, // plum 0xFFB0E0E6, // powderblue 0xFF800080, // purple 0xFFFF0000, // red 0xFFBC8F8F, // rosybrown 0xFF4169E1, // royalblue 0xFF8B4513, // saddlebrown 0xFFFA8072, // salmon 0xFFF4A460, // sandybrown 0xFF2E8B57, // seagreen 0xFFFFF5EE, // seashell 0xFFA0522D, // sienna 0xFFC0C0C0, // silver 0xFF87CEEB, // skyblue 0xFF6A5ACD, // slateblue 0xFF708090, // slategray 0xFFFFFAFA, // snow 0xFF00FF7F, // springgreen 0xFF4682B4, // steelblue 0xFFD2B48C, // tan 0xFF008080, // teal 0xFFD8BFD8, // thistle 0xFFFF6347, // tomato 0xFF40E0D0, // turquoise 0xFFEE82EE, // violet 0xFFF5DEB3, // wheat 0xFFFFFFFF, // white 0xFFF5F5F5, // whitesmoke 0xFFFFFF00, // yellow 0xFF9ACD32, // yellowgreen // plus a few rasmol names/values 0xFFAFD7FF, // bluetint 0xFF2E8B57, // greenblue 0xFF98FFB3, // greentint 0xFF808080, // grey 0xFF808080, // gray 0xFFFFABBB, // pinktint 0xFFFF4500, // redorange 0xFFF6F675, // yellowtint }; private static final Map mapJavaScriptColors = new Hashtable(); static { for (int i = colorNames.length; --i >= 0; ) mapJavaScriptColors.put(colorNames[i], Integer.valueOf(colorArgbs[i])); } /** * accepts [xRRGGBB] or [0xRRGGBB] or [0xFFRRGGBB] or #RRGGBB or * [red,green,blue] or a valid JavaScript color * * @param strColor * @return 0 if invalid or integer color */ public static int getArgbFromString(String strColor) { int len = 0; if (strColor == null || (len = strColor.length()) == 0) return 0; strColor = strColor.toLowerCase(); if (strColor.charAt(0) == '[' && strColor.charAt(len - 1) == ']') { String check; if (strColor.indexOf(",") >= 0) { String[] tokens = PT.split(strColor.substring(1, strColor .length() - 1), ","); if (tokens.length != 3) return 0; float red = PT.parseFloat(tokens[0]); float grn = PT.parseFloat(tokens[1]); float blu = PT.parseFloat(tokens[2]); return colorTriadToFFRGB(red, grn, blu); } switch (len) { case 9: check = "x"; break; case 10: check = "0x"; break; default: return 0; } if (strColor.indexOf(check) != 1) return 0; strColor = "#" + strColor.substring(len - 7, len - 1); len = 7; } if (len == 7 && strColor.charAt(0) == '#') { try { return PT.parseIntRadix(strColor.substring(1, 7), 16) | 0xFF000000; } catch (Exception e) { return 0; } } Integer boxedArgb = mapJavaScriptColors.get(strColor); return (boxedArgb == null ? 0 : boxedArgb.intValue()); } public static int colorTriadToFFRGB(float x, float y, float z) { if (x <= 1 && y <= 1 && z <= 1) { if (x > 0) x = x * 256 - 1; if (y > 0) y = y * 256 - 1; if (z > 0) z = z * 256 - 1; } return rgb((int) x, (int) y, (int) z); } public static int rgb(int red, int grn, int blu) { return 0xFF000000 | (red << 16) | (grn << 8) | blu; } public final static P3 colorPtFromString(String colorName) { return colorPtFromInt(getArgbFromString(colorName), null); } public final static P3 colorPtFromInt(int color, P3 pt) { if (pt == null) pt = new P3(); pt.set((color >> 16) & 0xFF, (color >> 8) & 0xFF, color & 0xFF); return pt; } public static int colorPtToFFRGB(T3 pt) { return colorTriadToFFRGB(pt.x, pt.y, pt.z); } public static void toRGB3f(int c, float[] f) { f[0] = ((c >> 16) & 0xFF) / 255f; // red f[1] = ((c >> 8) & 0xFF) / 255f; f[2] = (c & 0xFF) / 255f; } /** * Return a greyscale rgb value 0-FF using NTSC color lightness algorithm *

* the alpha component is set to 0xFF. If you want a value in the * range 0-255 then & the result with 0xFF; * * @param rgb the rgb value * @return a grayscale value in the range 0 - 255 decimal */ public static int toFFGGGfromRGB(int rgb) { int grey = (((2989 * ((rgb >> 16) & 0xFF)) + (5870 * ((rgb >> 8) & 0xFF)) + (1140 * (rgb & 0xFF)) + 5000) / 10000) & 0xFFFFFF; return rgb(grey, grey, grey); } /** * Convert RGB values to HSL (hue/saturation/lightness) * * @param rgb * range 255 255 255 * @param doRound * set to false when just using this for * for RGB -- HSL -- HSL' -- RGB' conversion * * @return the HSL as P3 range 360 100 100 * @author hansonr */ public static P3 rgbToHSL(P3 rgb, boolean doRound) { // adapted from http://tips4java.wordpress.com/2009/07/05/hsl-color/ // see http://en.wikipedia.org/wiki/HSL_color_space float r = rgb.x / 255; float g = rgb.y / 255; float b = rgb.z / 255; float min = Math.min(r, Math.min(g, b)); float max = Math.max(r, Math.max(g, b)); // lightness is just p * 50 float p = (max + min); float q = (max - min); float h = (60 * ((q == 0 ? 0 : max == r ? ((g - b) / q + 6) : max == g ? (b - r) / q + 2 : (r - g) / q + 4))) % 360; float s = q / (q == 0 ? 1 : p <= 1 ? p : 2 - p); // we round to tenths for HSL so that we can return enough // precision to get back 1-255 in RGB return (doRound ? P3.new3(Math.round(h*10)/10f, Math.round(s * 1000)/10f, Math.round(p * 500)/10f) : P3.new3(h, s * 100, p * 50)); } /** * Convert HSL (hue/saturation/luninance) values to RGB * * @param hsl in the range 360, 100, 100 * @return the RGB as P3 range 0 to 255 * @author hansonr */ public static P3 hslToRGB(P3 hsl) { // adapted from http://tips4java.wordpress.com/2009/07/05/hsl-color/ // see http://en.wikipedia.org/wiki/HSL_color_space // highly condensed float h = Math.max(0, Math.min(360, hsl.x)) / 60; float s = Math.max(0, Math.min(100, hsl.y)) / 100; float l = Math.max(0, Math.min(100, hsl.z)) / 100; float p = l - (l < 0.5 ? l : 1 - l) * s; float q = 2 * (l - p); float r = toRGB(p, q, h + 2); float g = toRGB(p, q, h); float b = toRGB(p, q, h - 2); return P3.new3(Math.round(r * 255), Math.round(g * 255), Math.round(b * 255)); } private static float toRGB(float p, float q, float h) { return ((h = (h + (h < 0 ? 6 : h > 6 ? -6 : 0))) < 1 ? p + q * h : h < 3 ? p + q : h < 4 ? p + q * (4 - h) : p); } }