--- /dev/null
+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
+ "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
+ "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
+ 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
+ 0xFFFFABBB, // pinktint
+ 0xFFFF4500, // redorange
+ 0xFFF6F675, // yellowtint
+ };
+
+ private static final Map<String, Integer> mapJavaScriptColors = new Hashtable<String, Integer>();
+
+ 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;
+ 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.toLowerCase());
+ 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
+ *<p>
+ * 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);
+ }
+
+}
git://source.jalview.org / jalview.git / blobdiff