mochikit_v14/MochiKit/Color.js

   1 /***
   2
   3 MochiKit.Color 1.4
   4
   5 See <http://mochikit.com/> for documentation, downloads, license, etc.
   6
   7 (c) 2005 Bob Ippolito and others.  All rights Reserved.
   8
   9 ***/
  10
  11 if (typeof(dojo) != 'undefined') {
  12     dojo.provide('MochiKit.Color');
  13     dojo.require('MochiKit.Base');
  14     dojo.require('MochiKit.DOM');
  15     dojo.require('MochiKit.Style');
  16 }
  17
  18 if (typeof(JSAN) != 'undefined') {
  19     JSAN.use("MochiKit.Base", []);
  20     JSAN.use("MochiKit.DOM", []);
  21     JSAN.use("MochiKit.Style", []);
  22 }
  23
  24 try {
  25     if (typeof(MochiKit.Base) == 'undefined') {
  26         throw "";
  27     }
  28 } catch (e) {
  29     throw "MochiKit.Color depends on MochiKit.Base";
  30 }
  31
  32 try {
  33     if (typeof(MochiKit.DOM) == 'undefined') {
  34         throw "";
  35     }
  36 } catch (e) {
  37     throw "MochiKit.Color depends on MochiKit.DOM";
  38 }
  39
  40 try {
  41     if (typeof(MochiKit.Style) == 'undefined') {
  42         throw "";
  43     }
  44 } catch (e) {
  45     throw "MochiKit.Color depends on MochiKit.Style";
  46 }
  47
  48 if (typeof(MochiKit.Color) == "undefined") {
  49     MochiKit.Color = {};
  50 }
  51
  52 MochiKit.Color.NAME = "MochiKit.Color";
  53 MochiKit.Color.VERSION = "1.4";
  54
  55 MochiKit.Color.__repr__ = function () {
  56     return "[" + this.NAME + " " + this.VERSION + "]";
  57 };
  58
  59 MochiKit.Color.toString = function () {
  60     return this.__repr__();
  61 };
  62
  63
  64 /** @id MochiKit.Color.Color */
  65 MochiKit.Color.Color = function (red, green, blue, alpha) {
  66     if (typeof(alpha) == 'undefined' || alpha === null) {
  67         alpha = 1.0;
  68     }
  69     this.rgb = {
  70         r: red,
  71         g: green,
  72         b: blue,
  73         a: alpha
  74     };
  75 };
  76
  77
  78 // Prototype methods
  79
  80 MochiKit.Color.Color.prototype = {
  81
  82     __class__: MochiKit.Color.Color,
  83
  84     /** @id MochiKit.Color.Color.prototype.colorWithAlpha */
  85     colorWithAlpha: function (alpha) {
  86         var rgb = this.rgb;
  87         var m = MochiKit.Color;
  88         return m.Color.fromRGB(rgb.r, rgb.g, rgb.b, alpha);
  89     },
  90
  91     /** @id MochiKit.Color.Color.prototype.colorWithHue */
  92     colorWithHue: function (hue) {
  93         // get an HSL model, and set the new hue...
  94         var hsl = this.asHSL();
  95         hsl.h = hue;
  96         var m = MochiKit.Color;
  97         // convert back to RGB...
  98         return m.Color.fromHSL(hsl);
  99     },
 100
 101     /** @id MochiKit.Color.Color.prototype.colorWithSaturation */
 102     colorWithSaturation: function (saturation) {
 103         // get an HSL model, and set the new hue...
 104         var hsl = this.asHSL();
 105         hsl.s = saturation;
 106         var m = MochiKit.Color;
 107         // convert back to RGB...
 108         return m.Color.fromHSL(hsl);
 109     },
 110
 111     /** @id MochiKit.Color.Color.prototype.colorWithLightness */
 112     colorWithLightness: function (lightness) {
 113         // get an HSL model, and set the new hue...
 114         var hsl = this.asHSL();
 115         hsl.l = lightness;
 116         var m = MochiKit.Color;
 117         // convert back to RGB...
 118         return m.Color.fromHSL(hsl);
 119     },
 120
 121     /** @id MochiKit.Color.Color.prototype.darkerColorWithLevel */
 122     darkerColorWithLevel: function (level) {
 123         var hsl  = this.asHSL();
 124         hsl.l = Math.max(hsl.l - level, 0);
 125         var m = MochiKit.Color;
 126         return m.Color.fromHSL(hsl);
 127     },
 128
 129     /** @id MochiKit.Color.Color.prototype.lighterColorWithLevel */
 130     lighterColorWithLevel: function (level) {
 131         var hsl  = this.asHSL();
 132         hsl.l = Math.min(hsl.l + level, 1);
 133         var m = MochiKit.Color;
 134         return m.Color.fromHSL(hsl);
 135     },
 136
 137     /** @id MochiKit.Color.Color.prototype.blendedColor */
 138     blendedColor: function (other, /* optional */ fraction) {
 139         if (typeof(fraction) == 'undefined' || fraction === null) {
 140             fraction = 0.5;
 141         }
 142         var sf = 1.0 - fraction;
 143         var s = this.rgb;
 144         var d = other.rgb;
 145         var df = fraction;
 146         return MochiKit.Color.Color.fromRGB(
 147             (s.r * sf) + (d.r * df),
 148             (s.g * sf) + (d.g * df),
 149             (s.b * sf) + (d.b * df),
 150             (s.a * sf) + (d.a * df)
 151         );
 152     },
 153
 154     /** @id MochiKit.Color.Color.prototype.compareRGB */
 155     compareRGB: function (other) {
 156         var a = this.asRGB();
 157         var b = other.asRGB();
 158         return MochiKit.Base.compare(
 159             [a.r, a.g, a.b, a.a],
 160             [b.r, b.g, b.b, b.a]
 161         );
 162     },
 163
 164     /** @id MochiKit.Color.Color.prototype.isLight */
 165     isLight: function () {
 166         return this.asHSL().b > 0.5;
 167     },
 168
 169     /** @id MochiKit.Color.Color.prototype.isDark */
 170     isDark: function () {
 171         return (!this.isLight());
 172     },
 173
 174     /** @id MochiKit.Color.Color.prototype.toHSLString */
 175     toHSLString: function () {
 176         var c = this.asHSL();
 177         var ccc = MochiKit.Color.clampColorComponent;
 178         var rval = this._hslString;
 179         if (!rval) {
 180             var mid = (
 181                 ccc(c.h, 360).toFixed(0)
 182                 + "," + ccc(c.s, 100).toPrecision(4) + "%"
 183                 + "," + ccc(c.l, 100).toPrecision(4) + "%"
 184             );
 185             var a = c.a;
 186             if (a >= 1) {
 187                 a = 1;
 188                 rval = "hsl(" + mid + ")";
 189             } else {
 190                 if (a <= 0) {
 191                     a = 0;
 192                 }
 193                 rval = "hsla(" + mid + "," + a + ")";
 194             }
 195             this._hslString = rval;
 196         }
 197         return rval;
 198     },
 199
 200     /** @id MochiKit.Color.Color.prototype.toRGBString */
 201     toRGBString: function () {
 202         var c = this.rgb;
 203         var ccc = MochiKit.Color.clampColorComponent;
 204         var rval = this._rgbString;
 205         if (!rval) {
 206             var mid = (
 207                 ccc(c.r, 255).toFixed(0)
 208                 + "," + ccc(c.g, 255).toFixed(0)
 209                 + "," + ccc(c.b, 255).toFixed(0)
 210             );
 211             if (c.a != 1) {
 212                 rval = "rgba(" + mid + "," + c.a + ")";
 213             } else {
 214                 rval = "rgb(" + mid + ")";
 215             }
 216             this._rgbString = rval;
 217         }
 218         return rval;
 219     },
 220
 221     /** @id MochiKit.Color.Color.prototype.asRGB */
 222     asRGB: function () {
 223         return MochiKit.Base.clone(this.rgb);
 224     },
 225
 226     /** @id MochiKit.Color.Color.prototype.toHexString */
 227     toHexString: function () {
 228         var m = MochiKit.Color;
 229         var c = this.rgb;
 230         var ccc = MochiKit.Color.clampColorComponent;
 231         var rval = this._hexString;
 232         if (!rval) {
 233             rval = ("#" +
 234                 m.toColorPart(ccc(c.r, 255)) +
 235                 m.toColorPart(ccc(c.g, 255)) +
 236                 m.toColorPart(ccc(c.b, 255))
 237             );
 238             this._hexString = rval;
 239         }
 240         return rval;
 241     },
 242
 243     /** @id MochiKit.Color.Color.prototype.asHSV */
 244     asHSV: function () {
 245         var hsv = this.hsv;
 246         var c = this.rgb;
 247         if (typeof(hsv) == 'undefined' || hsv === null) {
 248             hsv = MochiKit.Color.rgbToHSV(this.rgb);
 249             this.hsv = hsv;
 250         }
 251         return MochiKit.Base.clone(hsv);
 252     },
 253
 254     /** @id MochiKit.Color.Color.prototype.asHSL */
 255     asHSL: function () {
 256         var hsl = this.hsl;
 257         var c = this.rgb;
 258         if (typeof(hsl) == 'undefined' || hsl === null) {
 259             hsl = MochiKit.Color.rgbToHSL(this.rgb);
 260             this.hsl = hsl;
 261         }
 262         return MochiKit.Base.clone(hsl);
 263     },
 264
 265     /** @id MochiKit.Color.Color.prototype.toString */
 266     toString: function () {
 267         return this.toRGBString();
 268     },
 269
 270     /** @id MochiKit.Color.Color.prototype.repr */
 271     repr: function () {
 272         var c = this.rgb;
 273         var col = [c.r, c.g, c.b, c.a];
 274         return this.__class__.NAME + "(" + col.join(", ") + ")";
 275     }
 276
 277 };
 278
 279 // Constructor methods
 280
 281 MochiKit.Base.update(MochiKit.Color.Color, {
 282     /** @id MochiKit.Color.Color.fromRGB */
 283     fromRGB: function (red, green, blue, alpha) {
 284         // designated initializer
 285         var Color = MochiKit.Color.Color;
 286         if (arguments.length == 1) {
 287             var rgb = red;
 288             red = rgb.r;
 289             green = rgb.g;
 290             blue = rgb.b;
 291             if (typeof(rgb.a) == 'undefined') {
 292                 alpha = undefined;
 293             } else {
 294                 alpha = rgb.a;
 295             }
 296         }
 297         return new Color(red, green, blue, alpha);
 298     },
 299
 300     /** @id MochiKit.Color.Color.fromHSL */
 301     fromHSL: function (hue, saturation, lightness, alpha) {
 302         var m = MochiKit.Color;
 303         return m.Color.fromRGB(m.hslToRGB.apply(m, arguments));
 304     },
 305
 306     /** @id MochiKit.Color.Color.fromHSV */
 307     fromHSV: function (hue, saturation, value, alpha) {
 308         var m = MochiKit.Color;
 309         return m.Color.fromRGB(m.hsvToRGB.apply(m, arguments));
 310     },
 311
 312     /** @id MochiKit.Color.Color.fromName */
 313     fromName: function (name) {
 314         var Color = MochiKit.Color.Color;
 315         // Opera 9 seems to "quote" named colors(?!)
 316         if (name.charAt(0) == '"') {
 317             name = name.substr(1, name.length - 2);
 318         }
 319         var htmlColor = Color._namedColors[name.toLowerCase()];
 320         if (typeof(htmlColor) == 'string') {
 321             return Color.fromHexString(htmlColor);
 322         } else if (name == "transparent") {
 323             return Color.transparentColor();
 324         }
 325         return null;
 326     },
 327
 328     /** @id MochiKit.Color.Color.fromString */
 329     fromString: function (colorString) {
 330         var self = MochiKit.Color.Color;
 331         var three = colorString.substr(0, 3);
 332         if (three == "rgb") {
 333             return self.fromRGBString(colorString);
 334         } else if (three == "hsl") {
 335             return self.fromHSLString(colorString);
 336         } else if (colorString.charAt(0) == "#") {
 337             return self.fromHexString(colorString);
 338         }
 339         return self.fromName(colorString);
 340     },
 341
 342
 343     /** @id MochiKit.Color.Color.fromHexString */
 344     fromHexString: function (hexCode) {
 345         if (hexCode.charAt(0) == '#') {
 346             hexCode = hexCode.substring(1);
 347         }
 348         var components = [];
 349         var i, hex;
 350         if (hexCode.length == 3) {
 351             for (i = 0; i < 3; i++) {
 352                 hex = hexCode.substr(i, 1);
 353                 components.push(parseInt(hex + hex, 16) / 255.0);
 354             }
 355         } else {
 356             for (i = 0; i < 6; i += 2) {
 357                 hex = hexCode.substr(i, 2);
 358                 components.push(parseInt(hex, 16) / 255.0);
 359             }
 360         }
 361         var Color = MochiKit.Color.Color;
 362         return Color.fromRGB.apply(Color, components);
 363     },
 364
 365
 366     _fromColorString: function (pre, method, scales, colorCode) {
 367         // parses either HSL or RGB
 368         if (colorCode.indexOf(pre) === 0) {
 369             colorCode = colorCode.substring(colorCode.indexOf("(", 3) + 1, colorCode.length - 1);
 370         }
 371         var colorChunks = colorCode.split(/\s*,\s*/);
 372         var colorFloats = [];
 373         for (var i = 0; i < colorChunks.length; i++) {
 374             var c = colorChunks[i];
 375             var val;
 376             var three = c.substring(c.length - 3);
 377             if (c.charAt(c.length - 1) == '%') {
 378                 val = 0.01 * parseFloat(c.substring(0, c.length - 1));
 379             } else if (three == "deg") {
 380                 val = parseFloat(c) / 360.0;
 381             } else if (three == "rad") {
 382                 val = parseFloat(c) / (Math.PI * 2);
 383             } else {
 384                 val = scales[i] * parseFloat(c);
 385             }
 386             colorFloats.push(val);
 387         }
 388         return this[method].apply(this, colorFloats);
 389     },
 390
 391     /** @id MochiKit.Color.Color.fromComputedStyle */
 392     fromComputedStyle: function (elem, style) {
 393         var d = MochiKit.DOM;
 394         var cls = MochiKit.Color.Color;
 395         for (elem = d.getElement(elem); elem; elem = elem.parentNode) {
 396             var actualColor = MochiKit.Style.getStyle.apply(d, arguments);
 397             if (!actualColor) {
 398                 continue;
 399             }
 400             var color = cls.fromString(actualColor);
 401             if (!color) {
 402                 break;
 403             }
 404             if (color.asRGB().a > 0) {
 405                 return color;
 406             }
 407         }
 408         return null;
 409     },
 410
 411     /** @id MochiKit.Color.Color.fromBackground */
 412     fromBackground: function (elem) {
 413         var cls = MochiKit.Color.Color;
 414         return cls.fromComputedStyle(
 415             elem, "backgroundColor", "background-color") || cls.whiteColor();
 416     },
 417
 418     /** @id MochiKit.Color.Color.fromText */
 419     fromText: function (elem) {
 420         var cls = MochiKit.Color.Color;
 421         return cls.fromComputedStyle(
 422             elem, "color", "color") || cls.blackColor();
 423     },
 424
 425     /** @id MochiKit.Color.Color.namedColors */
 426     namedColors: function () {
 427         return MochiKit.Base.clone(MochiKit.Color.Color._namedColors);
 428     }
 429 });
 430
 431
 432 // Module level functions
 433
 434 MochiKit.Base.update(MochiKit.Color, {
 435     /** @id MochiKit.Color.clampColorComponent */
 436     clampColorComponent: function (v, scale) {
 437         v *= scale;
 438         if (v < 0) {
 439             return 0;
 440         } else if (v > scale) {
 441             return scale;
 442         } else {
 443             return v;
 444         }
 445     },
 446
 447     _hslValue: function (n1, n2, hue) {
 448         if (hue > 6.0) {
 449             hue -= 6.0;
 450         } else if (hue < 0.0) {
 451             hue += 6.0;
 452         }
 453         var val;
 454         if (hue < 1.0) {
 455             val = n1 + (n2 - n1) * hue;
 456         } else if (hue < 3.0) {
 457             val = n2;
 458         } else if (hue < 4.0) {
 459             val = n1 + (n2 - n1) * (4.0 - hue);
 460         } else {
 461             val = n1;
 462         }
 463         return val;
 464     },
 465
 466     /** @id MochiKit.Color.hsvToRGB */
 467     hsvToRGB: function (hue, saturation, value, alpha) {
 468         if (arguments.length == 1) {
 469             var hsv = hue;
 470             hue = hsv.h;
 471             saturation = hsv.s;
 472             value = hsv.v;
 473             alpha = hsv.a;
 474         }
 475         var red;
 476         var green;
 477         var blue;
 478         if (saturation === 0) {
 479             red = value;
 480             green = value;
 481             blue = value;
 482         } else {
 483             var i = Math.floor(hue * 6);
 484             var f = (hue * 6) - i;
 485             var p = value * (1 - saturation);
 486             var q = value * (1 - (saturation * f));
 487             var t = value * (1 - (saturation * (1 - f)));
 488             switch (i) {
 489                 case 1: red = q; green = value; blue = p; break;
 490                 case 2: red = p; green = value; blue = t; break;
 491                 case 3: red = p; green = q; blue = value; break;
 492                 case 4: red = t; green = p; blue = value; break;
 493                 case 5: red = value; green = p; blue = q; break;
 494                 case 6: // fall through
 495                 case 0: red = value; green = t; blue = p; break;
 496             }
 497         }
 498         return {
 499             r: red,
 500             g: green,
 501             b: blue,
 502             a: alpha
 503         };
 504     },
 505
 506     /** @id MochiKit.Color.hslToRGB */
 507     hslToRGB: function (hue, saturation, lightness, alpha) {
 508         if (arguments.length == 1) {
 509             var hsl = hue;
 510             hue = hsl.h;
 511             saturation = hsl.s;
 512             lightness = hsl.l;
 513             alpha = hsl.a;
 514         }
 515         var red;
 516         var green;
 517         var blue;
 518         if (saturation === 0) {
 519             red = lightness;
 520             green = lightness;
 521             blue = lightness;
 522         } else {
 523             var m2;
 524             if (lightness <= 0.5) {
 525                 m2 = lightness * (1.0 + saturation);
 526             } else {
 527                 m2 = lightness + saturation - (lightness * saturation);
 528             }
 529             var m1 = (2.0 * lightness) - m2;
 530             var f = MochiKit.Color._hslValue;
 531             var h6 = hue * 6.0;
 532             red = f(m1, m2, h6 + 2);
 533             green = f(m1, m2, h6);
 534             blue = f(m1, m2, h6 - 2);
 535         }
 536         return {
 537             r: red,
 538             g: green,
 539             b: blue,
 540             a: alpha
 541         };
 542     },
 543
 544     /** @id MochiKit.Color.rgbToHSV */
 545     rgbToHSV: function (red, green, blue, alpha) {
 546         if (arguments.length == 1) {
 547             var rgb = red;
 548             red = rgb.r;
 549             green = rgb.g;
 550             blue = rgb.b;
 551             alpha = rgb.a;
 552         }
 553         var max = Math.max(Math.max(red, green), blue);
 554         var min = Math.min(Math.min(red, green), blue);
 555         var hue;
 556         var saturation;
 557         var value = max;
 558         if (min == max) {
 559             hue = 0;
 560             saturation = 0;
 561         } else {
 562             var delta = (max - min);
 563             saturation = delta / max;
 564
 565             if (red == max) {
 566                 hue = (green - blue) / delta;
 567             } else if (green == max) {
 568                 hue = 2 + ((blue - red) / delta);
 569             } else {
 570                 hue = 4 + ((red - green) / delta);
 571             }
 572             hue /= 6;
 573             if (hue < 0) {
 574                 hue += 1;
 575             }
 576             if (hue > 1) {
 577                 hue -= 1;
 578             }
 579         }
 580         return {
 581             h: hue,
 582             s: saturation,
 583             v: value,
 584             a: alpha
 585         };
 586     },
 587
 588     /** @id MochiKit.Color.rgbToHSL */
 589     rgbToHSL: function (red, green, blue, alpha) {
 590         if (arguments.length == 1) {
 591             var rgb = red;
 592             red = rgb.r;
 593             green = rgb.g;
 594             blue = rgb.b;
 595             alpha = rgb.a;
 596         }
 597         var max = Math.max(red, Math.max(green, blue));
 598         var min = Math.min(red, Math.min(green, blue));
 599         var hue;
 600         var saturation;
 601         var lightness = (max + min) / 2.0;
 602         var delta = max - min;
 603         if (delta === 0) {
 604             hue = 0;
 605             saturation = 0;
 606         } else {
 607             if (lightness <= 0.5) {
 608                 saturation = delta / (max + min);
 609             } else {
 610                 saturation = delta / (2 - max - min);
 611             }
 612             if (red == max) {
 613                 hue = (green - blue) / delta;
 614             } else if (green == max) {
 615                 hue = 2 + ((blue - red) / delta);
 616             } else {
 617                 hue = 4 + ((red - green) / delta);
 618             }
 619             hue /= 6;
 620             if (hue < 0) {
 621                 hue += 1;
 622             }
 623             if (hue > 1) {
 624                 hue -= 1;
 625             }
 626
 627         }
 628         return {
 629             h: hue,
 630             s: saturation,
 631             l: lightness,
 632             a: alpha
 633         };
 634     },
 635
 636     /** @id MochiKit.Color.toColorPart */
 637     toColorPart: function (num) {
 638         num = Math.round(num);
 639         var digits = num.toString(16);
 640         if (num < 16) {
 641             return '0' + digits;
 642         }
 643         return digits;
 644     },
 645
 646     __new__: function () {
 647         var m = MochiKit.Base;
 648         /** @id MochiKit.Color.fromRGBString */
 649         this.Color.fromRGBString = m.bind(
 650             this.Color._fromColorString, this.Color, "rgb", "fromRGB",
 651             [1.0/255.0, 1.0/255.0, 1.0/255.0, 1]
 652         );
 653         /** @id MochiKit.Color.fromHSLString */
 654         this.Color.fromHSLString = m.bind(
 655             this.Color._fromColorString, this.Color, "hsl", "fromHSL",
 656             [1.0/360.0, 0.01, 0.01, 1]
 657         );
 658
 659         var third = 1.0 / 3.0;
 660         /** @id MochiKit.Color.colors */
 661         var colors = {
 662             // NSColor colors plus transparent
 663             /** @id MochiKit.Color.blackColor */
 664             black: [0, 0, 0],
 665             /** @id MochiKit.Color.blueColor */
 666             blue: [0, 0, 1],
 667             /** @id MochiKit.Color.brownColor */
 668             brown: [0.6, 0.4, 0.2],
 669             /** @id MochiKit.Color.cyanColor */
 670             cyan: [0, 1, 1],
 671             /** @id MochiKit.Color.darkGrayColor */
 672             darkGray: [third, third, third],
 673             /** @id MochiKit.Color.grayColor */
 674             gray: [0.5, 0.5, 0.5],
 675             /** @id MochiKit.Color.greenColor */
 676             green: [0, 1, 0],
 677             /** @id MochiKit.Color.lightGrayColor */
 678             lightGray: [2 * third, 2 * third, 2 * third],
 679             /** @id MochiKit.Color.magentaColor */
 680             magenta: [1, 0, 1],
 681             /** @id MochiKit.Color.orangeColor */
 682             orange: [1, 0.5, 0],
 683             /** @id MochiKit.Color.purpleColor */
 684             purple: [0.5, 0, 0.5],
 685             /** @id MochiKit.Color.redColor */
 686             red: [1, 0, 0],
 687             /** @id MochiKit.Color.transparentColor */
 688             transparent: [0, 0, 0, 0],
 689             /** @id MochiKit.Color.whiteColor */
 690             white: [1, 1, 1],
 691             /** @id MochiKit.Color.yellowColor */
 692             yellow: [1, 1, 0]
 693         };
 694
 695         var makeColor = function (name, r, g, b, a) {
 696             var rval = this.fromRGB(r, g, b, a);
 697             this[name] = function () { return rval; };
 698             return rval;
 699         };
 700
 701         for (var k in colors) {
 702             var name = k + "Color";
 703             var bindArgs = m.concat(
 704                 [makeColor, this.Color, name],
 705                 colors[k]
 706             );
 707             this.Color[name] = m.bind.apply(null, bindArgs);
 708         }
 709
 710         var isColor = function () {
 711             for (var i = 0; i < arguments.length; i++) {
 712                 if (!(arguments[i] instanceof Color)) {
 713                     return false;
 714                 }
 715             }
 716             return true;
 717         };
 718
 719         var compareColor = function (a, b) {
 720             return a.compareRGB(b);
 721         };
 722
 723         m.nameFunctions(this);
 724
 725         m.registerComparator(this.Color.NAME, isColor, compareColor);
 726
 727         this.EXPORT_TAGS = {
 728             ":common": this.EXPORT,
 729             ":all": m.concat(this.EXPORT, this.EXPORT_OK)
 730         };
 731
 732     }
 733 });
 734
 735 MochiKit.Color.EXPORT = [
 736     "Color"
 737 ];
 738
 739 MochiKit.Color.EXPORT_OK = [
 740     "clampColorComponent",
 741     "rgbToHSL",
 742     "hslToRGB",
 743     "rgbToHSV",
 744     "hsvToRGB",
 745     "toColorPart"
 746 ];
 747
 748 MochiKit.Color.__new__();
 749
 750 MochiKit.Base._exportSymbols(this, MochiKit.Color);
 751
 752 // Full table of css3 X11 colors <http://www.w3.org/TR/css3-color/#X11COLORS>
 753
 754 MochiKit.Color.Color._namedColors = {
 755     aliceblue: "#f0f8ff",
 756     antiquewhite: "#faebd7",
 757     aqua: "#00ffff",
 758     aquamarine: "#7fffd4",
 759     azure: "#f0ffff",
 760     beige: "#f5f5dc",
 761     bisque: "#ffe4c4",
 762     black: "#000000",
 763     blanchedalmond: "#ffebcd",
 764     blue: "#0000ff",
 765     blueviolet: "#8a2be2",
 766     brown: "#a52a2a",
 767     burlywood: "#deb887",
 768     cadetblue: "#5f9ea0",
 769     chartreuse: "#7fff00",
 770     chocolate: "#d2691e",
 771     coral: "#ff7f50",
 772     cornflowerblue: "#6495ed",
 773     cornsilk: "#fff8dc",
 774     crimson: "#dc143c",
 775     cyan: "#00ffff",
 776     darkblue: "#00008b",
 777     darkcyan: "#008b8b",
 778     darkgoldenrod: "#b8860b",
 779     darkgray: "#a9a9a9",
 780     darkgreen: "#006400",
 781     darkgrey: "#a9a9a9",
 782     darkkhaki: "#bdb76b",
 783     darkmagenta: "#8b008b",
 784     darkolivegreen: "#556b2f",
 785     darkorange: "#ff8c00",
 786     darkorchid: "#9932cc",
 787     darkred: "#8b0000",
 788     darksalmon: "#e9967a",
 789     darkseagreen: "#8fbc8f",
 790     darkslateblue: "#483d8b",
 791     darkslategray: "#2f4f4f",
 792     darkslategrey: "#2f4f4f",
 793     darkturquoise: "#00ced1",
 794     darkviolet: "#9400d3",
 795     deeppink: "#ff1493",
 796     deepskyblue: "#00bfff",
 797     dimgray: "#696969",
 798     dimgrey: "#696969",
 799     dodgerblue: "#1e90ff",
 800     firebrick: "#b22222",
 801     floralwhite: "#fffaf0",
 802     forestgreen: "#228b22",
 803     fuchsia: "#ff00ff",
 804     gainsboro: "#dcdcdc",
 805     ghostwhite: "#f8f8ff",
 806     gold: "#ffd700",
 807     goldenrod: "#daa520",
 808     gray: "#808080",
 809     green: "#008000",
 810     greenyellow: "#adff2f",
 811     grey: "#808080",
 812     honeydew: "#f0fff0",
 813     hotpink: "#ff69b4",
 814     indianred: "#cd5c5c",
 815     indigo: "#4b0082",
 816     ivory: "#fffff0",
 817     khaki: "#f0e68c",
 818     lavender: "#e6e6fa",
 819     lavenderblush: "#fff0f5",
 820     lawngreen: "#7cfc00",
 821     lemonchiffon: "#fffacd",
 822     lightblue: "#add8e6",
 823     lightcoral: "#f08080",
 824     lightcyan: "#e0ffff",
 825     lightgoldenrodyellow: "#fafad2",
 826     lightgray: "#d3d3d3",
 827     lightgreen: "#90ee90",
 828     lightgrey: "#d3d3d3",
 829     lightpink: "#ffb6c1",
 830     lightsalmon: "#ffa07a",
 831     lightseagreen: "#20b2aa",
 832     lightskyblue: "#87cefa",
 833     lightslategray: "#778899",
 834     lightslategrey: "#778899",
 835     lightsteelblue: "#b0c4de",
 836     lightyellow: "#ffffe0",
 837     lime: "#00ff00",
 838     limegreen: "#32cd32",
 839     linen: "#faf0e6",
 840     magenta: "#ff00ff",
 841     maroon: "#800000",
 842     mediumaquamarine: "#66cdaa",
 843     mediumblue: "#0000cd",
 844     mediumorchid: "#ba55d3",
 845     mediumpurple: "#9370db",
 846     mediumseagreen: "#3cb371",
 847     mediumslateblue: "#7b68ee",
 848     mediumspringgreen: "#00fa9a",
 849     mediumturquoise: "#48d1cc",
 850     mediumvioletred: "#c71585",
 851     midnightblue: "#191970",
 852     mintcream: "#f5fffa",
 853     mistyrose: "#ffe4e1",
 854     moccasin: "#ffe4b5",
 855     navajowhite: "#ffdead",
 856     navy: "#000080",
 857     oldlace: "#fdf5e6",
 858     olive: "#808000",
 859     olivedrab: "#6b8e23",
 860     orange: "#ffa500",
 861     orangered: "#ff4500",
 862     orchid: "#da70d6",
 863     palegoldenrod: "#eee8aa",
 864     palegreen: "#98fb98",
 865     paleturquoise: "#afeeee",
 866     palevioletred: "#db7093",
 867     papayawhip: "#ffefd5",
 868     peachpuff: "#ffdab9",
 869     peru: "#cd853f",
 870     pink: "#ffc0cb",
 871     plum: "#dda0dd",
 872     powderblue: "#b0e0e6",
 873     purple: "#800080",
 874     red: "#ff0000",
 875     rosybrown: "#bc8f8f",
 876     royalblue: "#4169e1",
 877     saddlebrown: "#8b4513",
 878     salmon: "#fa8072",
 879     sandybrown: "#f4a460",
 880     seagreen: "#2e8b57",
 881     seashell: "#fff5ee",
 882     sienna: "#a0522d",
 883     silver: "#c0c0c0",
 884     skyblue: "#87ceeb",
 885     slateblue: "#6a5acd",
 886     slategray: "#708090",
 887     slategrey: "#708090",
 888     snow: "#fffafa",
 889     springgreen: "#00ff7f",
 890     steelblue: "#4682b4",
 891     tan: "#d2b48c",
 892     teal: "#008080",
 893     thistle: "#d8bfd8",
 894     tomato: "#ff6347",
 895     turquoise: "#40e0d0",
 896     violet: "#ee82ee",
 897     wheat: "#f5deb3",
 898     white: "#ffffff",
 899     whitesmoke: "#f5f5f5",
 900     yellow: "#ffff00",
 901     yellowgreen: "#9acd32"
 902 };