spectrum.js
2324 lines
| 1 | // Spectrum Colorpicker v1.8.0 |
| 2 | // https://github.com/bgrins/spectrum |
| 3 | // Author: Brian Grinstead |
| 4 | // License: MIT |
| 5 | |
| 6 | (function (factory) { |
| 7 | "use strict"; |
| 8 | |
| 9 | if (typeof define === 'function' && define.amd) { // AMD |
| 10 | define(['jquery'], factory); |
| 11 | } |
| 12 | else if (typeof exports == "object" && typeof module == "object") { // CommonJS |
| 13 | module.exports = factory(require('jquery')); |
| 14 | } |
| 15 | else { // Browser |
| 16 | factory(jQuery); |
| 17 | } |
| 18 | })(function($, undefined) { |
| 19 | "use strict"; |
| 20 | |
| 21 | var defaultOpts = { |
| 22 | |
| 23 | // Callbacks |
| 24 | beforeShow: noop, |
| 25 | move: noop, |
| 26 | change: noop, |
| 27 | show: noop, |
| 28 | hide: noop, |
| 29 | |
| 30 | // Options |
| 31 | color: false, |
| 32 | flat: false, |
| 33 | showInput: false, |
| 34 | allowEmpty: false, |
| 35 | showButtons: true, |
| 36 | clickoutFiresChange: true, |
| 37 | showInitial: false, |
| 38 | showPalette: false, |
| 39 | showPaletteOnly: false, |
| 40 | hideAfterPaletteSelect: false, |
| 41 | togglePaletteOnly: false, |
| 42 | showSelectionPalette: true, |
| 43 | localStorageKey: false, |
| 44 | appendTo: "body", |
| 45 | maxSelectionSize: 7, |
| 46 | cancelText: "cancel", |
| 47 | chooseText: "choose", |
| 48 | togglePaletteMoreText: "more", |
| 49 | togglePaletteLessText: "less", |
| 50 | clearText: "Clear Color Selection", |
| 51 | noColorSelectedText: "No Color Selected", |
| 52 | preferredFormat: false, |
| 53 | className: "", // Deprecated - use containerClassName and replacerClassName instead. |
| 54 | containerClassName: "", |
| 55 | replacerClassName: "", |
| 56 | showAlpha: false, |
| 57 | theme: "sp-light", |
| 58 | palette: [["#ffffff", "#000000", "#ff0000", "#ff8000", "#ffff00", "#008000", "#0000ff", "#4b0082", "#9400d3"]], |
| 59 | selectionPalette: [], |
| 60 | disabled: false, |
| 61 | offset: null |
| 62 | }, |
| 63 | spectrums = [], |
| 64 | IE = !!/msie/i.exec( window.navigator.userAgent ), |
| 65 | rgbaSupport = (function() { |
| 66 | function contains( str, substr ) { |
| 67 | return !!~('' + str).indexOf(substr); |
| 68 | } |
| 69 | |
| 70 | var elem = document.createElement('div'); |
| 71 | var style = elem.style; |
| 72 | style.cssText = 'background-color:rgba(0,0,0,.5)'; |
| 73 | return contains(style.backgroundColor, 'rgba') || contains(style.backgroundColor, 'hsla'); |
| 74 | })(), |
| 75 | replaceInput = [ |
| 76 | "<div class='sp-replacer'>", |
| 77 | "<div class='sp-preview'><div class='sp-preview-inner'></div></div>", |
| 78 | "<div class='sp-dd'>▼</div>", |
| 79 | "</div>" |
| 80 | ].join(''), |
| 81 | markup = (function () { |
| 82 | |
| 83 | // IE does not support gradients with multiple stops, so we need to simulate |
| 84 | // that for the rainbow slider with 8 divs that each have a single gradient |
| 85 | var gradientFix = ""; |
| 86 | if (IE) { |
| 87 | for (var i = 1; i <= 6; i++) { |
| 88 | gradientFix += "<div class='sp-" + i + "'></div>"; |
| 89 | } |
| 90 | } |
| 91 | |
| 92 | return [ |
| 93 | "<div class='sp-container sp-hidden'>", |
| 94 | "<div class='sp-palette-container'>", |
| 95 | "<div class='sp-palette sp-thumb sp-cf'></div>", |
| 96 | "<div class='sp-palette-button-container sp-cf'>", |
| 97 | "<button type='button' class='sp-palette-toggle'></button>", |
| 98 | "</div>", |
| 99 | "</div>", |
| 100 | "<div class='sp-picker-container'>", |
| 101 | "<div class='sp-top sp-cf'>", |
| 102 | "<div class='sp-fill'></div>", |
| 103 | "<div class='sp-top-inner'>", |
| 104 | "<div class='sp-color'>", |
| 105 | "<div class='sp-sat'>", |
| 106 | "<div class='sp-val'>", |
| 107 | "<div class='sp-dragger'></div>", |
| 108 | "</div>", |
| 109 | "</div>", |
| 110 | "</div>", |
| 111 | "<div class='sp-clear sp-clear-display'>", |
| 112 | "</div>", |
| 113 | "<div class='sp-hue'>", |
| 114 | "<div class='sp-slider'></div>", |
| 115 | gradientFix, |
| 116 | "</div>", |
| 117 | "</div>", |
| 118 | "<div class='sp-alpha'><div class='sp-alpha-inner'><div class='sp-alpha-handle'></div></div></div>", |
| 119 | "</div>", |
| 120 | "<div class='sp-input-container sp-cf'>", |
| 121 | "<input class='sp-input' type='text' spellcheck='false' />", |
| 122 | "</div>", |
| 123 | "<div class='sp-initial sp-thumb sp-cf'></div>", |
| 124 | "<div class='sp-button-container sp-cf'>", |
| 125 | "<a class='sp-cancel' href='#'></a>", |
| 126 | "<button type='button' class='sp-choose'></button>", |
| 127 | "</div>", |
| 128 | "</div>", |
| 129 | "</div>" |
| 130 | ].join(""); |
| 131 | })(); |
| 132 | |
| 133 | function paletteTemplate (p, color, className, opts) { |
| 134 | var html = []; |
| 135 | for (var i = 0; i < p.length; i++) { |
| 136 | var current = p[i]; |
| 137 | if(current) { |
| 138 | var tiny = tinycolor(current); |
| 139 | var c = tiny.toHsl().l < 0.5 ? "sp-thumb-el sp-thumb-dark" : "sp-thumb-el sp-thumb-light"; |
| 140 | c += (tinycolor.equals(color, current)) ? " sp-thumb-active" : ""; |
| 141 | var formattedString = tiny.toString(opts.preferredFormat || "rgb"); |
| 142 | var swatchStyle = rgbaSupport ? ("background-color:" + tiny.toRgbString()) : "filter:" + tiny.toFilter(); |
| 143 | html.push('<span title="' + formattedString + '" data-color="' + tiny.toRgbString() + '" class="' + c + '"><span class="sp-thumb-inner" style="' + swatchStyle + ';" /></span>'); |
| 144 | } else { |
| 145 | var cls = 'sp-clear-display'; |
| 146 | html.push($('<div />') |
| 147 | .append($('<span data-color="" style="background-color:transparent;" class="' + cls + '"></span>') |
| 148 | .attr('title', opts.noColorSelectedText) |
| 149 | ) |
| 150 | .html() |
| 151 | ); |
| 152 | } |
| 153 | } |
| 154 | return "<div class='sp-cf " + className + "'>" + html.join('') + "</div>"; |
| 155 | } |
| 156 | |
| 157 | function hideAll() { |
| 158 | for (var i = 0; i < spectrums.length; i++) { |
| 159 | if (spectrums[i]) { |
| 160 | spectrums[i].hide(); |
| 161 | } |
| 162 | } |
| 163 | } |
| 164 | |
| 165 | function instanceOptions(o, callbackContext) { |
| 166 | var opts = $.extend({}, defaultOpts, o); |
| 167 | opts.callbacks = { |
| 168 | 'move': bind(opts.move, callbackContext), |
| 169 | 'change': bind(opts.change, callbackContext), |
| 170 | 'show': bind(opts.show, callbackContext), |
| 171 | 'hide': bind(opts.hide, callbackContext), |
| 172 | 'beforeShow': bind(opts.beforeShow, callbackContext) |
| 173 | }; |
| 174 | |
| 175 | return opts; |
| 176 | } |
| 177 | |
| 178 | function spectrum(element, o) { |
| 179 | |
| 180 | var opts = instanceOptions(o, element), |
| 181 | flat = opts.flat, |
| 182 | showSelectionPalette = opts.showSelectionPalette, |
| 183 | localStorageKey = opts.localStorageKey, |
| 184 | theme = opts.theme, |
| 185 | callbacks = opts.callbacks, |
| 186 | resize = throttle(reflow, 10), |
| 187 | visible = false, |
| 188 | isDragging = false, |
| 189 | dragWidth = 0, |
| 190 | dragHeight = 0, |
| 191 | dragHelperHeight = 0, |
| 192 | slideHeight = 0, |
| 193 | slideWidth = 0, |
| 194 | alphaWidth = 0, |
| 195 | alphaSlideHelperWidth = 0, |
| 196 | slideHelperHeight = 0, |
| 197 | currentHue = 0, |
| 198 | currentSaturation = 0, |
| 199 | currentValue = 0, |
| 200 | currentAlpha = 1, |
| 201 | palette = [], |
| 202 | paletteArray = [], |
| 203 | paletteLookup = {}, |
| 204 | selectionPalette = opts.selectionPalette.slice(0), |
| 205 | maxSelectionSize = opts.maxSelectionSize, |
| 206 | draggingClass = "sp-dragging", |
| 207 | shiftMovementDirection = null; |
| 208 | |
| 209 | var doc = element.ownerDocument, |
| 210 | body = doc.body, |
| 211 | boundElement = $(element), |
| 212 | disabled = false, |
| 213 | container = $(markup, doc).addClass(theme), |
| 214 | pickerContainer = container.find(".sp-picker-container"), |
| 215 | dragger = container.find(".sp-color"), |
| 216 | dragHelper = container.find(".sp-dragger"), |
| 217 | slider = container.find(".sp-hue"), |
| 218 | slideHelper = container.find(".sp-slider"), |
| 219 | alphaSliderInner = container.find(".sp-alpha-inner"), |
| 220 | alphaSlider = container.find(".sp-alpha"), |
| 221 | alphaSlideHelper = container.find(".sp-alpha-handle"), |
| 222 | textInput = container.find(".sp-input"), |
| 223 | paletteContainer = container.find(".sp-palette"), |
| 224 | initialColorContainer = container.find(".sp-initial"), |
| 225 | cancelButton = container.find(".sp-cancel"), |
| 226 | clearButton = container.find(".sp-clear"), |
| 227 | chooseButton = container.find(".sp-choose"), |
| 228 | toggleButton = container.find(".sp-palette-toggle"), |
| 229 | isInput = boundElement.is("input"), |
| 230 | isInputTypeColor = isInput && boundElement.attr("type") === "color" && inputTypeColorSupport(), |
| 231 | shouldReplace = isInput && !flat, |
| 232 | replacer = (shouldReplace) ? $(replaceInput).addClass(theme).addClass(opts.className).addClass(opts.replacerClassName) : $([]), |
| 233 | offsetElement = (shouldReplace) ? replacer : boundElement, |
| 234 | previewElement = replacer.find(".sp-preview-inner"), |
| 235 | initialColor = opts.color || (isInput && boundElement.val()), |
| 236 | colorOnShow = false, |
| 237 | currentPreferredFormat = opts.preferredFormat, |
| 238 | clickoutFiresChange = !opts.showButtons || opts.clickoutFiresChange, |
| 239 | isEmpty = !initialColor, |
| 240 | allowEmpty = opts.allowEmpty && !isInputTypeColor; |
| 241 | |
| 242 | function applyOptions() { |
| 243 | |
| 244 | if (opts.showPaletteOnly) { |
| 245 | opts.showPalette = true; |
| 246 | } |
| 247 | |
| 248 | toggleButton.text(opts.showPaletteOnly ? opts.togglePaletteMoreText : opts.togglePaletteLessText); |
| 249 | |
| 250 | if (opts.palette) { |
| 251 | palette = opts.palette.slice(0); |
| 252 | paletteArray = Array.isArray(palette[0]) ? palette : [palette]; |
| 253 | paletteLookup = {}; |
| 254 | for (var i = 0; i < paletteArray.length; i++) { |
| 255 | for (var j = 0; j < paletteArray[i].length; j++) { |
| 256 | var rgb = tinycolor(paletteArray[i][j]).toRgbString(); |
| 257 | paletteLookup[rgb] = true; |
| 258 | } |
| 259 | } |
| 260 | } |
| 261 | |
| 262 | container.toggleClass("sp-flat", flat); |
| 263 | container.toggleClass("sp-input-disabled", !opts.showInput); |
| 264 | container.toggleClass("sp-alpha-enabled", opts.showAlpha); |
| 265 | container.toggleClass("sp-clear-enabled", allowEmpty); |
| 266 | container.toggleClass("sp-buttons-disabled", !opts.showButtons); |
| 267 | container.toggleClass("sp-palette-buttons-disabled", !opts.togglePaletteOnly); |
| 268 | container.toggleClass("sp-palette-disabled", !opts.showPalette); |
| 269 | container.toggleClass("sp-palette-only", opts.showPaletteOnly); |
| 270 | container.toggleClass("sp-initial-disabled", !opts.showInitial); |
| 271 | container.addClass(opts.className).addClass(opts.containerClassName); |
| 272 | |
| 273 | reflow(); |
| 274 | } |
| 275 | |
| 276 | function initialize() { |
| 277 | |
| 278 | if (IE) { |
| 279 | container.find("*:not(input)").attr("unselectable", "on"); |
| 280 | } |
| 281 | |
| 282 | applyOptions(); |
| 283 | |
| 284 | if (shouldReplace) { |
| 285 | boundElement.after(replacer).hide(); |
| 286 | } |
| 287 | |
| 288 | if (!allowEmpty) { |
| 289 | clearButton.hide(); |
| 290 | } |
| 291 | |
| 292 | if (flat) { |
| 293 | boundElement.after(container).hide(); |
| 294 | } |
| 295 | else { |
| 296 | |
| 297 | var appendTo = opts.appendTo === "parent" ? boundElement.parent() : $(opts.appendTo); |
| 298 | if (appendTo.length !== 1) { |
| 299 | appendTo = $("body"); |
| 300 | } |
| 301 | |
| 302 | appendTo.append(container); |
| 303 | } |
| 304 | |
| 305 | updateSelectionPaletteFromStorage(); |
| 306 | |
| 307 | offsetElement.on("click.spectrum touchstart.spectrum", function (e) { |
| 308 | if (!disabled) { |
| 309 | toggle(); |
| 310 | } |
| 311 | |
| 312 | e.stopPropagation(); |
| 313 | |
| 314 | if (!$(e.target).is("input")) { |
| 315 | e.preventDefault(); |
| 316 | } |
| 317 | }); |
| 318 | |
| 319 | if(boundElement.is(":disabled") || (opts.disabled === true)) { |
| 320 | disable(); |
| 321 | } |
| 322 | |
| 323 | // Prevent clicks from bubbling up to document. This would cause it to be hidden. |
| 324 | container.on("click", stopPropagation); |
| 325 | |
| 326 | // Handle user typed input |
| 327 | textInput.on("change", setFromTextInput); |
| 328 | textInput.on("paste", function () { |
| 329 | setTimeout(setFromTextInput, 1); |
| 330 | }); |
| 331 | textInput.on("keydown", function (e) { if (e.keyCode == 13) { setFromTextInput(); } }); |
| 332 | |
| 333 | cancelButton.text(opts.cancelText); |
| 334 | cancelButton.on("click.spectrum", function (e) { |
| 335 | e.stopPropagation(); |
| 336 | e.preventDefault(); |
| 337 | revert(); |
| 338 | hide(); |
| 339 | }); |
| 340 | |
| 341 | clearButton.attr("title", opts.clearText); |
| 342 | clearButton.on("click.spectrum", function (e) { |
| 343 | e.stopPropagation(); |
| 344 | e.preventDefault(); |
| 345 | isEmpty = true; |
| 346 | move(); |
| 347 | |
| 348 | if(flat) { |
| 349 | //for the flat style, this is a change event |
| 350 | updateOriginalInput(true); |
| 351 | } |
| 352 | }); |
| 353 | |
| 354 | chooseButton.text(opts.chooseText); |
| 355 | chooseButton.on("click.spectrum", function (e) { |
| 356 | e.stopPropagation(); |
| 357 | e.preventDefault(); |
| 358 | |
| 359 | if (IE && textInput.is(":focus")) { |
| 360 | textInput.trigger('change'); |
| 361 | } |
| 362 | |
| 363 | if (isValid()) { |
| 364 | updateOriginalInput(true); |
| 365 | hide(); |
| 366 | } |
| 367 | }); |
| 368 | |
| 369 | toggleButton.text(opts.showPaletteOnly ? opts.togglePaletteMoreText : opts.togglePaletteLessText); |
| 370 | toggleButton.on("click.spectrum", function (e) { |
| 371 | e.stopPropagation(); |
| 372 | e.preventDefault(); |
| 373 | |
| 374 | opts.showPaletteOnly = !opts.showPaletteOnly; |
| 375 | |
| 376 | // To make sure the Picker area is drawn on the right, next to the |
| 377 | // Palette area (and not below the palette), first move the Palette |
| 378 | // to the left to make space for the picker, plus 5px extra. |
| 379 | // The 'applyOptions' function puts the whole container back into place |
| 380 | // and takes care of the button-text and the sp-palette-only CSS class. |
| 381 | if (!opts.showPaletteOnly && !flat) { |
| 382 | container.css('left', '-=' + (pickerContainer.outerWidth(true) + 5)); |
| 383 | } |
| 384 | applyOptions(); |
| 385 | }); |
| 386 | |
| 387 | draggable(alphaSlider, function (dragX, dragY, e) { |
| 388 | currentAlpha = (dragX / alphaWidth); |
| 389 | isEmpty = false; |
| 390 | if (e.shiftKey) { |
| 391 | currentAlpha = Math.round(currentAlpha * 10) / 10; |
| 392 | } |
| 393 | |
| 394 | move(); |
| 395 | }, dragStart, dragStop); |
| 396 | |
| 397 | draggable(slider, function (dragX, dragY) { |
| 398 | currentHue = parseFloat(dragY / slideHeight); |
| 399 | isEmpty = false; |
| 400 | if (!opts.showAlpha) { |
| 401 | currentAlpha = 1; |
| 402 | } |
| 403 | move(); |
| 404 | }, dragStart, dragStop); |
| 405 | |
| 406 | draggable(dragger, function (dragX, dragY, e) { |
| 407 | |
| 408 | // shift+drag should snap the movement to either the x or y axis. |
| 409 | if (!e.shiftKey) { |
| 410 | shiftMovementDirection = null; |
| 411 | } |
| 412 | else if (!shiftMovementDirection) { |
| 413 | var oldDragX = currentSaturation * dragWidth; |
| 414 | var oldDragY = dragHeight - (currentValue * dragHeight); |
| 415 | var furtherFromX = Math.abs(dragX - oldDragX) > Math.abs(dragY - oldDragY); |
| 416 | |
| 417 | shiftMovementDirection = furtherFromX ? "x" : "y"; |
| 418 | } |
| 419 | |
| 420 | var setSaturation = !shiftMovementDirection || shiftMovementDirection === "x"; |
| 421 | var setValue = !shiftMovementDirection || shiftMovementDirection === "y"; |
| 422 | |
| 423 | if (setSaturation) { |
| 424 | currentSaturation = parseFloat(dragX / dragWidth); |
| 425 | } |
| 426 | if (setValue) { |
| 427 | currentValue = parseFloat((dragHeight - dragY) / dragHeight); |
| 428 | } |
| 429 | |
| 430 | isEmpty = false; |
| 431 | if (!opts.showAlpha) { |
| 432 | currentAlpha = 1; |
| 433 | } |
| 434 | |
| 435 | move(); |
| 436 | |
| 437 | }, dragStart, dragStop); |
| 438 | |
| 439 | if (!!initialColor) { |
| 440 | set(initialColor); |
| 441 | |
| 442 | // In case color was black - update the preview UI and set the format |
| 443 | // since the set function will not run (default color is black). |
| 444 | updateUI(); |
| 445 | currentPreferredFormat = opts.preferredFormat || tinycolor(initialColor).format; |
| 446 | |
| 447 | addColorToSelectionPalette(initialColor); |
| 448 | } |
| 449 | else { |
| 450 | updateUI(); |
| 451 | } |
| 452 | |
| 453 | if (flat) { |
| 454 | show(); |
| 455 | } |
| 456 | |
| 457 | function paletteElementClick(e) { |
| 458 | if (e.data && e.data.ignore) { |
| 459 | set($(e.target).closest(".sp-thumb-el").data("color")); |
| 460 | move(); |
| 461 | } |
| 462 | else { |
| 463 | set($(e.target).closest(".sp-thumb-el").data("color")); |
| 464 | move(); |
| 465 | updateOriginalInput(true); |
| 466 | if (opts.hideAfterPaletteSelect) { |
| 467 | hide(); |
| 468 | } |
| 469 | } |
| 470 | |
| 471 | return false; |
| 472 | } |
| 473 | |
| 474 | var paletteEvent = IE ? "mousedown.spectrum" : "click.spectrum touchstart.spectrum"; |
| 475 | paletteContainer.on(paletteEvent, ".sp-thumb-el", paletteElementClick); |
| 476 | initialColorContainer.on(paletteEvent, ".sp-thumb-el:nth-child(1)", { ignore: true }, paletteElementClick); |
| 477 | } |
| 478 | |
| 479 | function updateSelectionPaletteFromStorage() { |
| 480 | |
| 481 | if (localStorageKey && window.localStorage) { |
| 482 | |
| 483 | // Migrate old palettes over to new format. May want to remove this eventually. |
| 484 | try { |
| 485 | var oldPalette = window.localStorage[localStorageKey].split(",#"); |
| 486 | if (oldPalette.length > 1) { |
| 487 | delete window.localStorage[localStorageKey]; |
| 488 | $.each(oldPalette, function(i, c) { |
| 489 | addColorToSelectionPalette(c); |
| 490 | }); |
| 491 | } |
| 492 | } |
| 493 | catch(e) { } |
| 494 | |
| 495 | try { |
| 496 | selectionPalette = window.localStorage[localStorageKey].split(";"); |
| 497 | } |
| 498 | catch (e) { } |
| 499 | } |
| 500 | } |
| 501 | |
| 502 | function addColorToSelectionPalette(color) { |
| 503 | if (showSelectionPalette) { |
| 504 | var rgb = tinycolor(color).toRgbString(); |
| 505 | if (!paletteLookup[rgb] && $.inArray(rgb, selectionPalette) === -1) { |
| 506 | selectionPalette.push(rgb); |
| 507 | while(selectionPalette.length > maxSelectionSize) { |
| 508 | selectionPalette.shift(); |
| 509 | } |
| 510 | } |
| 511 | |
| 512 | if (localStorageKey && window.localStorage) { |
| 513 | try { |
| 514 | window.localStorage[localStorageKey] = selectionPalette.join(";"); |
| 515 | } |
| 516 | catch(e) { } |
| 517 | } |
| 518 | } |
| 519 | } |
| 520 | |
| 521 | function getUniqueSelectionPalette() { |
| 522 | var unique = []; |
| 523 | if (opts.showPalette) { |
| 524 | for (var i = 0; i < selectionPalette.length; i++) { |
| 525 | var rgb = tinycolor(selectionPalette[i]).toRgbString(); |
| 526 | |
| 527 | if (!paletteLookup[rgb]) { |
| 528 | unique.push(selectionPalette[i]); |
| 529 | } |
| 530 | } |
| 531 | } |
| 532 | |
| 533 | return unique.reverse().slice(0, opts.maxSelectionSize); |
| 534 | } |
| 535 | |
| 536 | function drawPalette() { |
| 537 | |
| 538 | var currentColor = get(); |
| 539 | |
| 540 | var html = $.map(paletteArray, function (palette, i) { |
| 541 | return paletteTemplate(palette, currentColor, "sp-palette-row sp-palette-row-" + i, opts); |
| 542 | }); |
| 543 | |
| 544 | updateSelectionPaletteFromStorage(); |
| 545 | |
| 546 | if (selectionPalette) { |
| 547 | html.push(paletteTemplate(getUniqueSelectionPalette(), currentColor, "sp-palette-row sp-palette-row-selection", opts)); |
| 548 | } |
| 549 | |
| 550 | paletteContainer.html(html.join("")); |
| 551 | } |
| 552 | |
| 553 | function drawInitial() { |
| 554 | if (opts.showInitial) { |
| 555 | var initial = colorOnShow; |
| 556 | var current = get(); |
| 557 | initialColorContainer.html(paletteTemplate([initial, current], current, "sp-palette-row-initial", opts)); |
| 558 | } |
| 559 | } |
| 560 | |
| 561 | function dragStart() { |
| 562 | if (dragHeight <= 0 || dragWidth <= 0 || slideHeight <= 0) { |
| 563 | reflow(); |
| 564 | } |
| 565 | isDragging = true; |
| 566 | container.addClass(draggingClass); |
| 567 | shiftMovementDirection = null; |
| 568 | boundElement.trigger('dragstart.spectrum', [ get() ]); |
| 569 | } |
| 570 | |
| 571 | function dragStop() { |
| 572 | isDragging = false; |
| 573 | container.removeClass(draggingClass); |
| 574 | boundElement.trigger('dragstop.spectrum', [ get() ]); |
| 575 | } |
| 576 | |
| 577 | function setFromTextInput() { |
| 578 | |
| 579 | var value = textInput.val(); |
| 580 | |
| 581 | if ((value === null || value === "") && allowEmpty) { |
| 582 | set(null); |
| 583 | updateOriginalInput(true); |
| 584 | } |
| 585 | else { |
| 586 | var tiny = tinycolor(value); |
| 587 | if (tiny.isValid()) { |
| 588 | set(tiny); |
| 589 | updateOriginalInput(true); |
| 590 | } |
| 591 | else { |
| 592 | textInput.addClass("sp-validation-error"); |
| 593 | } |
| 594 | } |
| 595 | } |
| 596 | |
| 597 | function toggle() { |
| 598 | if (visible) { |
| 599 | hide(); |
| 600 | } |
| 601 | else { |
| 602 | show(); |
| 603 | } |
| 604 | } |
| 605 | |
| 606 | function show() { |
| 607 | var event = $.Event('beforeShow.spectrum'); |
| 608 | |
| 609 | if (visible) { |
| 610 | reflow(); |
| 611 | return; |
| 612 | } |
| 613 | |
| 614 | boundElement.trigger(event, [ get() ]); |
| 615 | |
| 616 | if (callbacks.beforeShow(get()) === false || event.isDefaultPrevented()) { |
| 617 | return; |
| 618 | } |
| 619 | |
| 620 | hideAll(); |
| 621 | visible = true; |
| 622 | |
| 623 | $(doc).on("keydown.spectrum", onkeydown); |
| 624 | $(doc).on("click.spectrum", clickout); |
| 625 | $(window).on("resize.spectrum", resize); |
| 626 | replacer.addClass("sp-active"); |
| 627 | container.removeClass("sp-hidden"); |
| 628 | |
| 629 | reflow(); |
| 630 | updateUI(); |
| 631 | |
| 632 | colorOnShow = get(); |
| 633 | |
| 634 | drawInitial(); |
| 635 | callbacks.show(colorOnShow); |
| 636 | boundElement.trigger('show.spectrum', [ colorOnShow ]); |
| 637 | } |
| 638 | |
| 639 | function onkeydown(e) { |
| 640 | // Close on ESC |
| 641 | if (e.keyCode === 27) { |
| 642 | hide(); |
| 643 | } |
| 644 | } |
| 645 | |
| 646 | function clickout(e) { |
| 647 | // Return on right click. |
| 648 | if (e.button == 2) { return; } |
| 649 | |
| 650 | // If a drag event was happening during the mouseup, don't hide |
| 651 | // on click. |
| 652 | if (isDragging) { return; } |
| 653 | |
| 654 | if (clickoutFiresChange) { |
| 655 | updateOriginalInput(true); |
| 656 | } |
| 657 | else { |
| 658 | revert(); |
| 659 | } |
| 660 | hide(); |
| 661 | } |
| 662 | |
| 663 | function hide() { |
| 664 | // Return if hiding is unnecessary |
| 665 | if (!visible || flat) { return; } |
| 666 | visible = false; |
| 667 | |
| 668 | $(doc).off("keydown.spectrum", onkeydown); |
| 669 | $(doc).off("click.spectrum", clickout); |
| 670 | $(window).off("resize.spectrum", resize); |
| 671 | |
| 672 | replacer.removeClass("sp-active"); |
| 673 | container.addClass("sp-hidden"); |
| 674 | |
| 675 | callbacks.hide(get()); |
| 676 | boundElement.trigger('hide.spectrum', [ get() ]); |
| 677 | } |
| 678 | |
| 679 | function revert() { |
| 680 | set(colorOnShow, true); |
| 681 | } |
| 682 | |
| 683 | function set(color, ignoreFormatChange) { |
| 684 | if (tinycolor.equals(color, get())) { |
| 685 | // Update UI just in case a validation error needs |
| 686 | // to be cleared. |
| 687 | updateUI(); |
| 688 | return; |
| 689 | } |
| 690 | |
| 691 | var newColor, newHsv; |
| 692 | if (!color && allowEmpty) { |
| 693 | isEmpty = true; |
| 694 | } else { |
| 695 | isEmpty = false; |
| 696 | newColor = tinycolor(color); |
| 697 | newHsv = newColor.toHsv(); |
| 698 | |
| 699 | currentHue = (newHsv.h % 360) / 360; |
| 700 | currentSaturation = newHsv.s; |
| 701 | currentValue = newHsv.v; |
| 702 | currentAlpha = newHsv.a; |
| 703 | } |
| 704 | updateUI(); |
| 705 | |
| 706 | if (newColor && newColor.isValid() && !ignoreFormatChange) { |
| 707 | currentPreferredFormat = opts.preferredFormat || newColor.getFormat(); |
| 708 | } |
| 709 | } |
| 710 | |
| 711 | function get(opts) { |
| 712 | opts = opts || { }; |
| 713 | |
| 714 | if (allowEmpty && isEmpty) { |
| 715 | return null; |
| 716 | } |
| 717 | |
| 718 | return tinycolor.fromRatio({ |
| 719 | h: currentHue, |
| 720 | s: currentSaturation, |
| 721 | v: currentValue, |
| 722 | a: Math.round(currentAlpha * 100) / 100 |
| 723 | }, { format: opts.format || currentPreferredFormat }); |
| 724 | } |
| 725 | |
| 726 | function isValid() { |
| 727 | return !textInput.hasClass("sp-validation-error"); |
| 728 | } |
| 729 | |
| 730 | function move() { |
| 731 | updateUI(); |
| 732 | |
| 733 | callbacks.move(get()); |
| 734 | boundElement.trigger('move.spectrum', [ get() ]); |
| 735 | } |
| 736 | |
| 737 | function updateUI() { |
| 738 | |
| 739 | textInput.removeClass("sp-validation-error"); |
| 740 | |
| 741 | updateHelperLocations(); |
| 742 | |
| 743 | // Update dragger background color (gradients take care of saturation and value). |
| 744 | var flatColor = tinycolor.fromRatio({ h: currentHue, s: 1, v: 1 }); |
| 745 | dragger.css("background-color", flatColor.toHexString()); |
| 746 | |
| 747 | // Get a format that alpha will be included in (hex and names ignore alpha) |
| 748 | var format = currentPreferredFormat; |
| 749 | if (currentAlpha < 1 && !(currentAlpha === 0 && format === "name")) { |
| 750 | if (format === "hex" || format === "hex3" || format === "hex6" || format === "name") { |
| 751 | format = "rgb"; |
| 752 | } |
| 753 | } |
| 754 | |
| 755 | var realColor = get({ format: format }), |
| 756 | displayColor = ''; |
| 757 | |
| 758 | //reset background info for preview element |
| 759 | previewElement.removeClass("sp-clear-display"); |
| 760 | previewElement.css('background-color', 'transparent'); |
| 761 | |
| 762 | if (!realColor && allowEmpty) { |
| 763 | // Update the replaced elements background with icon indicating no color selection |
| 764 | previewElement.addClass("sp-clear-display"); |
| 765 | } |
| 766 | else { |
| 767 | var realHex = realColor.toHexString(), |
| 768 | realRgb = realColor.toRgbString(); |
| 769 | |
| 770 | // Update the replaced elements background color (with actual selected color) |
| 771 | if (rgbaSupport || realColor.alpha === 1) { |
| 772 | previewElement.css("background-color", realRgb); |
| 773 | } |
| 774 | else { |
| 775 | previewElement.css("background-color", "transparent"); |
| 776 | previewElement.css("filter", realColor.toFilter()); |
| 777 | } |
| 778 | |
| 779 | if (opts.showAlpha) { |
| 780 | var rgb = realColor.toRgb(); |
| 781 | rgb.a = 0; |
| 782 | var realAlpha = tinycolor(rgb).toRgbString(); |
| 783 | var gradient = "linear-gradient(left, " + realAlpha + ", " + realHex + ")"; |
| 784 | |
| 785 | if (IE) { |
| 786 | alphaSliderInner.css("filter", tinycolor(realAlpha).toFilter({ gradientType: 1 }, realHex)); |
| 787 | } |
| 788 | else { |
| 789 | alphaSliderInner.css("background", "-webkit-" + gradient); |
| 790 | alphaSliderInner.css("background", "-moz-" + gradient); |
| 791 | alphaSliderInner.css("background", "-ms-" + gradient); |
| 792 | // Use current syntax gradient on unprefixed property. |
| 793 | alphaSliderInner.css("background", |
| 794 | "linear-gradient(to right, " + realAlpha + ", " + realHex + ")"); |
| 795 | } |
| 796 | } |
| 797 | |
| 798 | displayColor = realColor.toString(format); |
| 799 | } |
| 800 | |
| 801 | // Update the text entry input as it changes happen |
| 802 | if (opts.showInput) { |
| 803 | textInput.val(displayColor); |
| 804 | } |
| 805 | |
| 806 | if (opts.showPalette) { |
| 807 | drawPalette(); |
| 808 | } |
| 809 | |
| 810 | drawInitial(); |
| 811 | } |
| 812 | |
| 813 | function updateHelperLocations() { |
| 814 | var s = currentSaturation; |
| 815 | var v = currentValue; |
| 816 | |
| 817 | if(allowEmpty && isEmpty) { |
| 818 | //if selected color is empty, hide the helpers |
| 819 | alphaSlideHelper.hide(); |
| 820 | slideHelper.hide(); |
| 821 | dragHelper.hide(); |
| 822 | } |
| 823 | else { |
| 824 | //make sure helpers are visible |
| 825 | alphaSlideHelper.show(); |
| 826 | slideHelper.show(); |
| 827 | dragHelper.show(); |
| 828 | |
| 829 | // Where to show the little circle in that displays your current selected color |
| 830 | var dragX = s * dragWidth; |
| 831 | var dragY = dragHeight - (v * dragHeight); |
| 832 | dragX = Math.max( |
| 833 | -dragHelperHeight, |
| 834 | Math.min(dragWidth - dragHelperHeight, dragX - dragHelperHeight) |
| 835 | ); |
| 836 | dragY = Math.max( |
| 837 | -dragHelperHeight, |
| 838 | Math.min(dragHeight - dragHelperHeight, dragY - dragHelperHeight) |
| 839 | ); |
| 840 | dragHelper.css({ |
| 841 | "top": dragY + "px", |
| 842 | "left": dragX + "px" |
| 843 | }); |
| 844 | |
| 845 | var alphaX = currentAlpha * alphaWidth; |
| 846 | alphaSlideHelper.css({ |
| 847 | "left": (alphaX - (alphaSlideHelperWidth / 2)) + "px" |
| 848 | }); |
| 849 | |
| 850 | // Where to show the bar that displays your current selected hue |
| 851 | var slideY = (currentHue) * slideHeight; |
| 852 | slideHelper.css({ |
| 853 | "top": (slideY - slideHelperHeight) + "px" |
| 854 | }); |
| 855 | } |
| 856 | } |
| 857 | |
| 858 | function updateOriginalInput(fireCallback) { |
| 859 | var color = get(), |
| 860 | displayColor = '', |
| 861 | hasChanged = !tinycolor.equals(color, colorOnShow); |
| 862 | |
| 863 | if (color) { |
| 864 | displayColor = color.toString(currentPreferredFormat); |
| 865 | // Update the selection palette with the current color |
| 866 | addColorToSelectionPalette(color); |
| 867 | } |
| 868 | |
| 869 | if (isInput) { |
| 870 | boundElement.val(displayColor); |
| 871 | } |
| 872 | |
| 873 | if (fireCallback && hasChanged) { |
| 874 | callbacks.change(color); |
| 875 | boundElement.trigger('change', [ color ]); |
| 876 | } |
| 877 | } |
| 878 | |
| 879 | function reflow() { |
| 880 | if (!visible) { |
| 881 | return; // Calculations would be useless and wouldn't be reliable anyways |
| 882 | } |
| 883 | dragWidth = dragger.width(); |
| 884 | dragHeight = dragger.height(); |
| 885 | dragHelperHeight = dragHelper.height(); |
| 886 | slideWidth = slider.width(); |
| 887 | slideHeight = slider.height(); |
| 888 | slideHelperHeight = slideHelper.height(); |
| 889 | alphaWidth = alphaSlider.width(); |
| 890 | alphaSlideHelperWidth = alphaSlideHelper.width(); |
| 891 | |
| 892 | if (!flat) { |
| 893 | container.css("position", "absolute"); |
| 894 | if (opts.offset) { |
| 895 | container.offset(opts.offset); |
| 896 | } else { |
| 897 | container.offset(getOffset(container, offsetElement)); |
| 898 | } |
| 899 | } |
| 900 | |
| 901 | updateHelperLocations(); |
| 902 | |
| 903 | if (opts.showPalette) { |
| 904 | drawPalette(); |
| 905 | } |
| 906 | |
| 907 | boundElement.trigger('reflow.spectrum'); |
| 908 | } |
| 909 | |
| 910 | function destroy() { |
| 911 | boundElement.show(); |
| 912 | offsetElement.off("click.spectrum touchstart.spectrum"); |
| 913 | container.remove(); |
| 914 | replacer.remove(); |
| 915 | spectrums[spect.id] = null; |
| 916 | } |
| 917 | |
| 918 | function option(optionName, optionValue) { |
| 919 | if (optionName === undefined) { |
| 920 | return $.extend({}, opts); |
| 921 | } |
| 922 | if (optionValue === undefined) { |
| 923 | return opts[optionName]; |
| 924 | } |
| 925 | |
| 926 | opts[optionName] = optionValue; |
| 927 | |
| 928 | if (optionName === "preferredFormat") { |
| 929 | currentPreferredFormat = opts.preferredFormat; |
| 930 | } |
| 931 | applyOptions(); |
| 932 | } |
| 933 | |
| 934 | function enable() { |
| 935 | disabled = false; |
| 936 | boundElement.attr("disabled", false); |
| 937 | offsetElement.removeClass("sp-disabled"); |
| 938 | } |
| 939 | |
| 940 | function disable() { |
| 941 | hide(); |
| 942 | disabled = true; |
| 943 | boundElement.attr("disabled", true); |
| 944 | offsetElement.addClass("sp-disabled"); |
| 945 | } |
| 946 | |
| 947 | function setOffset(coord) { |
| 948 | opts.offset = coord; |
| 949 | reflow(); |
| 950 | } |
| 951 | |
| 952 | initialize(); |
| 953 | |
| 954 | var spect = { |
| 955 | show: show, |
| 956 | hide: hide, |
| 957 | toggle: toggle, |
| 958 | reflow: reflow, |
| 959 | option: option, |
| 960 | enable: enable, |
| 961 | disable: disable, |
| 962 | offset: setOffset, |
| 963 | set: function (c) { |
| 964 | set(c); |
| 965 | updateOriginalInput(); |
| 966 | }, |
| 967 | get: get, |
| 968 | destroy: destroy, |
| 969 | container: container |
| 970 | }; |
| 971 | |
| 972 | spect.id = spectrums.push(spect) - 1; |
| 973 | |
| 974 | return spect; |
| 975 | } |
| 976 | |
| 977 | /** |
| 978 | * checkOffset - get the offset below/above and left/right element depending on screen position |
| 979 | * Thanks https://github.com/jquery/jquery-ui/blob/master/ui/jquery.ui.datepicker.js |
| 980 | */ |
| 981 | function getOffset(picker, input) { |
| 982 | var extraY = 0; |
| 983 | var dpWidth = picker.outerWidth(); |
| 984 | var dpHeight = picker.outerHeight(); |
| 985 | var inputHeight = input.outerHeight(); |
| 986 | var doc = picker[0].ownerDocument; |
| 987 | var docElem = doc.documentElement; |
| 988 | var viewWidth = docElem.clientWidth + $(doc).scrollLeft(); |
| 989 | var viewHeight = docElem.clientHeight + $(doc).scrollTop(); |
| 990 | var offset = input.offset(); |
| 991 | offset.top += inputHeight; |
| 992 | |
| 993 | offset.left -= |
| 994 | Math.min(offset.left, (offset.left + dpWidth > viewWidth && viewWidth > dpWidth) ? |
| 995 | Math.abs(offset.left + dpWidth - viewWidth) : 0); |
| 996 | |
| 997 | offset.top -= |
| 998 | Math.min(offset.top, ((offset.top + dpHeight > viewHeight && viewHeight > dpHeight) ? |
| 999 | Math.abs(dpHeight + inputHeight - extraY) : extraY)); |
| 1000 | |
| 1001 | return offset; |
| 1002 | } |
| 1003 | |
| 1004 | /** |
| 1005 | * noop - do nothing |
| 1006 | */ |
| 1007 | function noop() { |
| 1008 | |
| 1009 | } |
| 1010 | |
| 1011 | /** |
| 1012 | * stopPropagation - makes the code only doing this a little easier to read in line |
| 1013 | */ |
| 1014 | function stopPropagation(e) { |
| 1015 | e.stopPropagation(); |
| 1016 | } |
| 1017 | |
| 1018 | /** |
| 1019 | * Create a function bound to a given object |
| 1020 | * Thanks to underscore.js |
| 1021 | */ |
| 1022 | function bind(func, obj) { |
| 1023 | var slice = Array.prototype.slice; |
| 1024 | var args = slice.call(arguments, 2); |
| 1025 | return function () { |
| 1026 | return func.apply(obj, args.concat(slice.call(arguments))); |
| 1027 | }; |
| 1028 | } |
| 1029 | |
| 1030 | /** |
| 1031 | * Lightweight drag helper. Handles containment within the element, so that |
| 1032 | * when dragging, the x is within [0,element.width] and y is within [0,element.height] |
| 1033 | */ |
| 1034 | function draggable(element, onmove, onstart, onstop) { |
| 1035 | onmove = onmove || function () { }; |
| 1036 | onstart = onstart || function () { }; |
| 1037 | onstop = onstop || function () { }; |
| 1038 | var doc = document; |
| 1039 | var dragging = false; |
| 1040 | var offset = {}; |
| 1041 | var maxHeight = 0; |
| 1042 | var maxWidth = 0; |
| 1043 | var hasTouch = ('ontouchstart' in window); |
| 1044 | |
| 1045 | var duringDragEvents = {}; |
| 1046 | duringDragEvents["selectstart"] = prevent; |
| 1047 | duringDragEvents["dragstart"] = prevent; |
| 1048 | duringDragEvents["touchmove mousemove"] = move; |
| 1049 | duringDragEvents["touchend mouseup"] = stop; |
| 1050 | |
| 1051 | function prevent(e) { |
| 1052 | if (e.stopPropagation) { |
| 1053 | e.stopPropagation(); |
| 1054 | } |
| 1055 | if (e.preventDefault) { |
| 1056 | e.preventDefault(); |
| 1057 | } |
| 1058 | e.returnValue = false; |
| 1059 | } |
| 1060 | |
| 1061 | function move(e) { |
| 1062 | if (dragging) { |
| 1063 | // Mouseup happened outside of window |
| 1064 | if (IE && doc.documentMode < 9 && !e.button) { |
| 1065 | return stop(); |
| 1066 | } |
| 1067 | |
| 1068 | var t0 = e.originalEvent && e.originalEvent.touches && e.originalEvent.touches[0]; |
| 1069 | var pageX = t0 && t0.pageX || e.pageX; |
| 1070 | var pageY = t0 && t0.pageY || e.pageY; |
| 1071 | |
| 1072 | var dragX = Math.max(0, Math.min(pageX - offset.left, maxWidth)); |
| 1073 | var dragY = Math.max(0, Math.min(pageY - offset.top, maxHeight)); |
| 1074 | |
| 1075 | if (hasTouch) { |
| 1076 | // Stop scrolling in iOS |
| 1077 | prevent(e); |
| 1078 | } |
| 1079 | |
| 1080 | onmove.apply(element, [dragX, dragY, e]); |
| 1081 | } |
| 1082 | } |
| 1083 | |
| 1084 | function start(e) { |
| 1085 | var rightclick = (e.which) ? (e.which == 3) : (e.button == 2); |
| 1086 | |
| 1087 | if (!rightclick && !dragging) { |
| 1088 | if (onstart.apply(element, arguments) !== false) { |
| 1089 | dragging = true; |
| 1090 | maxHeight = $(element).height(); |
| 1091 | maxWidth = $(element).width(); |
| 1092 | offset = $(element).offset(); |
| 1093 | |
| 1094 | $(doc).on(duringDragEvents); |
| 1095 | $(doc.body).addClass("sp-dragging"); |
| 1096 | |
| 1097 | move(e); |
| 1098 | |
| 1099 | prevent(e); |
| 1100 | } |
| 1101 | } |
| 1102 | } |
| 1103 | |
| 1104 | function stop() { |
| 1105 | if (dragging) { |
| 1106 | $(doc).off(duringDragEvents); |
| 1107 | $(doc.body).removeClass("sp-dragging"); |
| 1108 | |
| 1109 | // Wait a tick before notifying observers to allow the click event |
| 1110 | // to fire in Chrome. |
| 1111 | setTimeout(function() { |
| 1112 | onstop.apply(element, arguments); |
| 1113 | }, 0); |
| 1114 | } |
| 1115 | dragging = false; |
| 1116 | } |
| 1117 | |
| 1118 | $(element).on("touchstart mousedown", start); |
| 1119 | } |
| 1120 | |
| 1121 | function throttle(func, wait, debounce) { |
| 1122 | var timeout; |
| 1123 | return function () { |
| 1124 | var context = this, args = arguments; |
| 1125 | var throttler = function () { |
| 1126 | timeout = null; |
| 1127 | func.apply(context, args); |
| 1128 | }; |
| 1129 | if (debounce) clearTimeout(timeout); |
| 1130 | if (debounce || !timeout) timeout = setTimeout(throttler, wait); |
| 1131 | }; |
| 1132 | } |
| 1133 | |
| 1134 | function inputTypeColorSupport() { |
| 1135 | return $.fn.spectrum.inputTypeColorSupport(); |
| 1136 | } |
| 1137 | |
| 1138 | /** |
| 1139 | * Define a jQuery plugin |
| 1140 | */ |
| 1141 | var dataID = "spectrum.id"; |
| 1142 | $.fn.spectrum = function (opts, extra) { |
| 1143 | |
| 1144 | if (typeof opts == "string") { |
| 1145 | |
| 1146 | var returnValue = this; |
| 1147 | var args = Array.prototype.slice.call( arguments, 1 ); |
| 1148 | |
| 1149 | this.each(function () { |
| 1150 | var spect = spectrums[$(this).data(dataID)]; |
| 1151 | if (spect) { |
| 1152 | var method = spect[opts]; |
| 1153 | if (!method) { |
| 1154 | throw new Error( "Spectrum: no such method: '" + opts + "'" ); |
| 1155 | } |
| 1156 | |
| 1157 | if (opts == "get") { |
| 1158 | returnValue = spect.get(); |
| 1159 | } |
| 1160 | else if (opts == "container") { |
| 1161 | returnValue = spect.container; |
| 1162 | } |
| 1163 | else if (opts == "option") { |
| 1164 | returnValue = spect.option.apply(spect, args); |
| 1165 | } |
| 1166 | else if (opts == "destroy") { |
| 1167 | spect.destroy(); |
| 1168 | $(this).removeData(dataID); |
| 1169 | } |
| 1170 | else { |
| 1171 | method.apply(spect, args); |
| 1172 | } |
| 1173 | } |
| 1174 | }); |
| 1175 | |
| 1176 | return returnValue; |
| 1177 | } |
| 1178 | |
| 1179 | // Initializing a new instance of spectrum |
| 1180 | return this.spectrum("destroy").each(function () { |
| 1181 | var options = $.extend({}, opts, $(this).data()); |
| 1182 | var spect = spectrum(this, options); |
| 1183 | $(this).data(dataID, spect.id); |
| 1184 | }); |
| 1185 | }; |
| 1186 | |
| 1187 | $.fn.spectrum.load = true; |
| 1188 | $.fn.spectrum.loadOpts = {}; |
| 1189 | $.fn.spectrum.draggable = draggable; |
| 1190 | $.fn.spectrum.defaults = defaultOpts; |
| 1191 | $.fn.spectrum.inputTypeColorSupport = function inputTypeColorSupport() { |
| 1192 | if (typeof inputTypeColorSupport._cachedResult === "undefined") { |
| 1193 | var colorInput = $("<input type='color'/>")[0]; // if color element is supported, value will default to not null |
| 1194 | inputTypeColorSupport._cachedResult = colorInput.type === "color" && colorInput.value !== ""; |
| 1195 | } |
| 1196 | return inputTypeColorSupport._cachedResult; |
| 1197 | }; |
| 1198 | |
| 1199 | $.spectrum = { }; |
| 1200 | $.spectrum.localization = { }; |
| 1201 | $.spectrum.palettes = { }; |
| 1202 | |
| 1203 | $.fn.spectrum.processNativeColorInputs = function () { |
| 1204 | var colorInputs = $("input[type=color]"); |
| 1205 | if (colorInputs.length && !inputTypeColorSupport()) { |
| 1206 | colorInputs.spectrum({ |
| 1207 | preferredFormat: "hex6" |
| 1208 | }); |
| 1209 | } |
| 1210 | }; |
| 1211 | |
| 1212 | // TinyColor v1.1.2 |
| 1213 | // https://github.com/bgrins/TinyColor |
| 1214 | // Brian Grinstead, MIT License |
| 1215 | |
| 1216 | (function() { |
| 1217 | |
| 1218 | var trimLeft = /^[\s,#]+/, |
| 1219 | trimRight = /\s+$/, |
| 1220 | tinyCounter = 0, |
| 1221 | math = Math, |
| 1222 | mathRound = math.round, |
| 1223 | mathMin = math.min, |
| 1224 | mathMax = math.max, |
| 1225 | mathRandom = math.random; |
| 1226 | |
| 1227 | var tinycolor = function(color, opts) { |
| 1228 | |
| 1229 | color = (color) ? color : ''; |
| 1230 | opts = opts || { }; |
| 1231 | |
| 1232 | // If input is already a tinycolor, return itself |
| 1233 | if (color instanceof tinycolor) { |
| 1234 | return color; |
| 1235 | } |
| 1236 | // If we are called as a function, call using new instead |
| 1237 | if (!(this instanceof tinycolor)) { |
| 1238 | return new tinycolor(color, opts); |
| 1239 | } |
| 1240 | |
| 1241 | var rgb = inputToRGB(color); |
| 1242 | this._originalInput = color, |
| 1243 | this._r = rgb.r, |
| 1244 | this._g = rgb.g, |
| 1245 | this._b = rgb.b, |
| 1246 | this._a = rgb.a, |
| 1247 | this._roundA = mathRound(100*this._a) / 100, |
| 1248 | this._format = opts.format || rgb.format; |
| 1249 | this._gradientType = opts.gradientType; |
| 1250 | |
| 1251 | // Don't let the range of [0,255] come back in [0,1]. |
| 1252 | // Potentially lose a little bit of precision here, but will fix issues where |
| 1253 | // .5 gets interpreted as half of the total, instead of half of 1 |
| 1254 | // If it was supposed to be 128, this was already taken care of by `inputToRgb` |
| 1255 | if (this._r < 1) { this._r = mathRound(this._r); } |
| 1256 | if (this._g < 1) { this._g = mathRound(this._g); } |
| 1257 | if (this._b < 1) { this._b = mathRound(this._b); } |
| 1258 | |
| 1259 | this._ok = rgb.ok; |
| 1260 | this._tc_id = tinyCounter++; |
| 1261 | }; |
| 1262 | |
| 1263 | tinycolor.prototype = { |
| 1264 | isDark: function() { |
| 1265 | return this.getBrightness() < 128; |
| 1266 | }, |
| 1267 | isLight: function() { |
| 1268 | return !this.isDark(); |
| 1269 | }, |
| 1270 | isValid: function() { |
| 1271 | return this._ok; |
| 1272 | }, |
| 1273 | getOriginalInput: function() { |
| 1274 | return this._originalInput; |
| 1275 | }, |
| 1276 | getFormat: function() { |
| 1277 | return this._format; |
| 1278 | }, |
| 1279 | getAlpha: function() { |
| 1280 | return this._a; |
| 1281 | }, |
| 1282 | getBrightness: function() { |
| 1283 | var rgb = this.toRgb(); |
| 1284 | return (rgb.r * 299 + rgb.g * 587 + rgb.b * 114) / 1000; |
| 1285 | }, |
| 1286 | setAlpha: function(value) { |
| 1287 | this._a = boundAlpha(value); |
| 1288 | this._roundA = mathRound(100*this._a) / 100; |
| 1289 | return this; |
| 1290 | }, |
| 1291 | toHsv: function() { |
| 1292 | var hsv = rgbToHsv(this._r, this._g, this._b); |
| 1293 | return { h: hsv.h * 360, s: hsv.s, v: hsv.v, a: this._a }; |
| 1294 | }, |
| 1295 | toHsvString: function() { |
| 1296 | var hsv = rgbToHsv(this._r, this._g, this._b); |
| 1297 | var h = mathRound(hsv.h * 360), s = mathRound(hsv.s * 100), v = mathRound(hsv.v * 100); |
| 1298 | return (this._a == 1) ? |
| 1299 | "hsv(" + h + ", " + s + "%, " + v + "%)" : |
| 1300 | "hsva(" + h + ", " + s + "%, " + v + "%, "+ this._roundA + ")"; |
| 1301 | }, |
| 1302 | toHsl: function() { |
| 1303 | var hsl = rgbToHsl(this._r, this._g, this._b); |
| 1304 | return { h: hsl.h * 360, s: hsl.s, l: hsl.l, a: this._a }; |
| 1305 | }, |
| 1306 | toHslString: function() { |
| 1307 | var hsl = rgbToHsl(this._r, this._g, this._b); |
| 1308 | var h = mathRound(hsl.h * 360), s = mathRound(hsl.s * 100), l = mathRound(hsl.l * 100); |
| 1309 | return (this._a == 1) ? |
| 1310 | "hsl(" + h + ", " + s + "%, " + l + "%)" : |
| 1311 | "hsla(" + h + ", " + s + "%, " + l + "%, "+ this._roundA + ")"; |
| 1312 | }, |
| 1313 | toHex: function(allow3Char) { |
| 1314 | return rgbToHex(this._r, this._g, this._b, allow3Char); |
| 1315 | }, |
| 1316 | toHexString: function(allow3Char) { |
| 1317 | return '#' + this.toHex(allow3Char); |
| 1318 | }, |
| 1319 | toHex8: function() { |
| 1320 | return rgbaToHex(this._r, this._g, this._b, this._a); |
| 1321 | }, |
| 1322 | toHex8String: function() { |
| 1323 | return '#' + this.toHex8(); |
| 1324 | }, |
| 1325 | toRgb: function() { |
| 1326 | return { r: mathRound(this._r), g: mathRound(this._g), b: mathRound(this._b), a: this._a }; |
| 1327 | }, |
| 1328 | toRgbString: function() { |
| 1329 | return (this._a == 1) ? |
| 1330 | "rgb(" + mathRound(this._r) + ", " + mathRound(this._g) + ", " + mathRound(this._b) + ")" : |
| 1331 | "rgba(" + mathRound(this._r) + ", " + mathRound(this._g) + ", " + mathRound(this._b) + ", " + this._roundA + ")"; |
| 1332 | }, |
| 1333 | toPercentageRgb: function() { |
| 1334 | return { r: mathRound(bound01(this._r, 255) * 100) + "%", g: mathRound(bound01(this._g, 255) * 100) + "%", b: mathRound(bound01(this._b, 255) * 100) + "%", a: this._a }; |
| 1335 | }, |
| 1336 | toPercentageRgbString: function() { |
| 1337 | return (this._a == 1) ? |
| 1338 | "rgb(" + mathRound(bound01(this._r, 255) * 100) + "%, " + mathRound(bound01(this._g, 255) * 100) + "%, " + mathRound(bound01(this._b, 255) * 100) + "%)" : |
| 1339 | "rgba(" + mathRound(bound01(this._r, 255) * 100) + "%, " + mathRound(bound01(this._g, 255) * 100) + "%, " + mathRound(bound01(this._b, 255) * 100) + "%, " + this._roundA + ")"; |
| 1340 | }, |
| 1341 | toName: function() { |
| 1342 | if (this._a === 0) { |
| 1343 | return "transparent"; |
| 1344 | } |
| 1345 | |
| 1346 | if (this._a < 1) { |
| 1347 | return false; |
| 1348 | } |
| 1349 | |
| 1350 | return hexNames[rgbToHex(this._r, this._g, this._b, true)] || false; |
| 1351 | }, |
| 1352 | toFilter: function(secondColor) { |
| 1353 | var hex8String = '#' + rgbaToHex(this._r, this._g, this._b, this._a); |
| 1354 | var secondHex8String = hex8String; |
| 1355 | var gradientType = this._gradientType ? "GradientType = 1, " : ""; |
| 1356 | |
| 1357 | if (secondColor) { |
| 1358 | var s = tinycolor(secondColor); |
| 1359 | secondHex8String = s.toHex8String(); |
| 1360 | } |
| 1361 | |
| 1362 | return "progid:DXImageTransform.Microsoft.gradient("+gradientType+"startColorstr="+hex8String+",endColorstr="+secondHex8String+")"; |
| 1363 | }, |
| 1364 | toString: function(format) { |
| 1365 | var formatSet = !!format; |
| 1366 | format = format || this._format; |
| 1367 | |
| 1368 | var formattedString = false; |
| 1369 | var hasAlpha = this._a < 1 && this._a >= 0; |
| 1370 | var needsAlphaFormat = !formatSet && hasAlpha && (format === "hex" || format === "hex6" || format === "hex3" || format === "name"); |
| 1371 | |
| 1372 | if (needsAlphaFormat) { |
| 1373 | // Special case for "transparent", all other non-alpha formats |
| 1374 | // will return rgba when there is transparency. |
| 1375 | if (format === "name" && this._a === 0) { |
| 1376 | return this.toName(); |
| 1377 | } |
| 1378 | return this.toRgbString(); |
| 1379 | } |
| 1380 | if (format === "rgb") { |
| 1381 | formattedString = this.toRgbString(); |
| 1382 | } |
| 1383 | if (format === "prgb") { |
| 1384 | formattedString = this.toPercentageRgbString(); |
| 1385 | } |
| 1386 | if (format === "hex" || format === "hex6") { |
| 1387 | formattedString = this.toHexString(); |
| 1388 | } |
| 1389 | if (format === "hex3") { |
| 1390 | formattedString = this.toHexString(true); |
| 1391 | } |
| 1392 | if (format === "hex8") { |
| 1393 | formattedString = this.toHex8String(); |
| 1394 | } |
| 1395 | if (format === "name") { |
| 1396 | formattedString = this.toName(); |
| 1397 | } |
| 1398 | if (format === "hsl") { |
| 1399 | formattedString = this.toHslString(); |
| 1400 | } |
| 1401 | if (format === "hsv") { |
| 1402 | formattedString = this.toHsvString(); |
| 1403 | } |
| 1404 | |
| 1405 | return formattedString || this.toHexString(); |
| 1406 | }, |
| 1407 | |
| 1408 | _applyModification: function(fn, args) { |
| 1409 | var color = fn.apply(null, [this].concat([].slice.call(args))); |
| 1410 | this._r = color._r; |
| 1411 | this._g = color._g; |
| 1412 | this._b = color._b; |
| 1413 | this.setAlpha(color._a); |
| 1414 | return this; |
| 1415 | }, |
| 1416 | lighten: function() { |
| 1417 | return this._applyModification(lighten, arguments); |
| 1418 | }, |
| 1419 | brighten: function() { |
| 1420 | return this._applyModification(brighten, arguments); |
| 1421 | }, |
| 1422 | darken: function() { |
| 1423 | return this._applyModification(darken, arguments); |
| 1424 | }, |
| 1425 | desaturate: function() { |
| 1426 | return this._applyModification(desaturate, arguments); |
| 1427 | }, |
| 1428 | saturate: function() { |
| 1429 | return this._applyModification(saturate, arguments); |
| 1430 | }, |
| 1431 | greyscale: function() { |
| 1432 | return this._applyModification(greyscale, arguments); |
| 1433 | }, |
| 1434 | spin: function() { |
| 1435 | return this._applyModification(spin, arguments); |
| 1436 | }, |
| 1437 | |
| 1438 | _applyCombination: function(fn, args) { |
| 1439 | return fn.apply(null, [this].concat([].slice.call(args))); |
| 1440 | }, |
| 1441 | analogous: function() { |
| 1442 | return this._applyCombination(analogous, arguments); |
| 1443 | }, |
| 1444 | complement: function() { |
| 1445 | return this._applyCombination(complement, arguments); |
| 1446 | }, |
| 1447 | monochromatic: function() { |
| 1448 | return this._applyCombination(monochromatic, arguments); |
| 1449 | }, |
| 1450 | splitcomplement: function() { |
| 1451 | return this._applyCombination(splitcomplement, arguments); |
| 1452 | }, |
| 1453 | triad: function() { |
| 1454 | return this._applyCombination(triad, arguments); |
| 1455 | }, |
| 1456 | tetrad: function() { |
| 1457 | return this._applyCombination(tetrad, arguments); |
| 1458 | } |
| 1459 | }; |
| 1460 | |
| 1461 | // If input is an object, force 1 into "1.0" to handle ratios properly |
| 1462 | // String input requires "1.0" as input, so 1 will be treated as 1 |
| 1463 | tinycolor.fromRatio = function(color, opts) { |
| 1464 | if (typeof color == "object") { |
| 1465 | var newColor = {}; |
| 1466 | for (var i in color) { |
| 1467 | if (color.hasOwnProperty(i)) { |
| 1468 | if (i === "a") { |
| 1469 | newColor[i] = color[i]; |
| 1470 | } |
| 1471 | else { |
| 1472 | newColor[i] = convertToPercentage(color[i]); |
| 1473 | } |
| 1474 | } |
| 1475 | } |
| 1476 | color = newColor; |
| 1477 | } |
| 1478 | |
| 1479 | return tinycolor(color, opts); |
| 1480 | }; |
| 1481 | |
| 1482 | // Given a string or object, convert that input to RGB |
| 1483 | // Possible string inputs: |
| 1484 | // |
| 1485 | // "red" |
| 1486 | // "#f00" or "f00" |
| 1487 | // "#ff0000" or "ff0000" |
| 1488 | // "#ff000000" or "ff000000" |
| 1489 | // "rgb 255 0 0" or "rgb (255, 0, 0)" |
| 1490 | // "rgb 1.0 0 0" or "rgb (1, 0, 0)" |
| 1491 | // "rgba (255, 0, 0, 1)" or "rgba 255, 0, 0, 1" |
| 1492 | // "rgba (1.0, 0, 0, 1)" or "rgba 1.0, 0, 0, 1" |
| 1493 | // "hsl(0, 100%, 50%)" or "hsl 0 100% 50%" |
| 1494 | // "hsla(0, 100%, 50%, 1)" or "hsla 0 100% 50%, 1" |
| 1495 | // "hsv(0, 100%, 100%)" or "hsv 0 100% 100%" |
| 1496 | // |
| 1497 | function inputToRGB(color) { |
| 1498 | |
| 1499 | var rgb = { r: 0, g: 0, b: 0 }; |
| 1500 | var a = 1; |
| 1501 | var ok = false; |
| 1502 | var format = false; |
| 1503 | |
| 1504 | if (typeof color == "string") { |
| 1505 | color = stringInputToObject(color); |
| 1506 | } |
| 1507 | |
| 1508 | if (typeof color == "object") { |
| 1509 | if (color.hasOwnProperty("r") && color.hasOwnProperty("g") && color.hasOwnProperty("b")) { |
| 1510 | rgb = rgbToRgb(color.r, color.g, color.b); |
| 1511 | ok = true; |
| 1512 | format = String(color.r).substr(-1) === "%" ? "prgb" : "rgb"; |
| 1513 | } |
| 1514 | else if (color.hasOwnProperty("h") && color.hasOwnProperty("s") && color.hasOwnProperty("v")) { |
| 1515 | color.s = convertToPercentage(color.s); |
| 1516 | color.v = convertToPercentage(color.v); |
| 1517 | rgb = hsvToRgb(color.h, color.s, color.v); |
| 1518 | ok = true; |
| 1519 | format = "hsv"; |
| 1520 | } |
| 1521 | else if (color.hasOwnProperty("h") && color.hasOwnProperty("s") && color.hasOwnProperty("l")) { |
| 1522 | color.s = convertToPercentage(color.s); |
| 1523 | color.l = convertToPercentage(color.l); |
| 1524 | rgb = hslToRgb(color.h, color.s, color.l); |
| 1525 | ok = true; |
| 1526 | format = "hsl"; |
| 1527 | } |
| 1528 | |
| 1529 | if (color.hasOwnProperty("a")) { |
| 1530 | a = color.a; |
| 1531 | } |
| 1532 | } |
| 1533 | |
| 1534 | a = boundAlpha(a); |
| 1535 | |
| 1536 | return { |
| 1537 | ok: ok, |
| 1538 | format: color.format || format, |
| 1539 | r: mathMin(255, mathMax(rgb.r, 0)), |
| 1540 | g: mathMin(255, mathMax(rgb.g, 0)), |
| 1541 | b: mathMin(255, mathMax(rgb.b, 0)), |
| 1542 | a: a |
| 1543 | }; |
| 1544 | } |
| 1545 | |
| 1546 | |
| 1547 | // Conversion Functions |
| 1548 | // -------------------- |
| 1549 | |
| 1550 | // `rgbToHsl`, `rgbToHsv`, `hslToRgb`, `hsvToRgb` modified from: |
| 1551 | // <http://mjijackson.com/2008/02/rgb-to-hsl-and-rgb-to-hsv-color-model-conversion-algorithms-in-javascript> |
| 1552 | |
| 1553 | // `rgbToRgb` |
| 1554 | // Handle bounds / percentage checking to conform to CSS color spec |
| 1555 | // <http://www.w3.org/TR/css3-color/> |
| 1556 | // *Assumes:* r, g, b in [0, 255] or [0, 1] |
| 1557 | // *Returns:* { r, g, b } in [0, 255] |
| 1558 | function rgbToRgb(r, g, b){ |
| 1559 | return { |
| 1560 | r: bound01(r, 255) * 255, |
| 1561 | g: bound01(g, 255) * 255, |
| 1562 | b: bound01(b, 255) * 255 |
| 1563 | }; |
| 1564 | } |
| 1565 | |
| 1566 | // `rgbToHsl` |
| 1567 | // Converts an RGB color value to HSL. |
| 1568 | // *Assumes:* r, g, and b are contained in [0, 255] or [0, 1] |
| 1569 | // *Returns:* { h, s, l } in [0,1] |
| 1570 | function rgbToHsl(r, g, b) { |
| 1571 | |
| 1572 | r = bound01(r, 255); |
| 1573 | g = bound01(g, 255); |
| 1574 | b = bound01(b, 255); |
| 1575 | |
| 1576 | var max = mathMax(r, g, b), min = mathMin(r, g, b); |
| 1577 | var h, s, l = (max + min) / 2; |
| 1578 | |
| 1579 | if(max == min) { |
| 1580 | h = s = 0; // achromatic |
| 1581 | } |
| 1582 | else { |
| 1583 | var d = max - min; |
| 1584 | s = l > 0.5 ? d / (2 - max - min) : d / (max + min); |
| 1585 | switch(max) { |
| 1586 | case r: h = (g - b) / d + (g < b ? 6 : 0); break; |
| 1587 | case g: h = (b - r) / d + 2; break; |
| 1588 | case b: h = (r - g) / d + 4; break; |
| 1589 | } |
| 1590 | |
| 1591 | h /= 6; |
| 1592 | } |
| 1593 | |
| 1594 | return { h: h, s: s, l: l }; |
| 1595 | } |
| 1596 | |
| 1597 | // `hslToRgb` |
| 1598 | // Converts an HSL color value to RGB. |
| 1599 | // *Assumes:* h is contained in [0, 1] or [0, 360] and s and l are contained [0, 1] or [0, 100] |
| 1600 | // *Returns:* { r, g, b } in the set [0, 255] |
| 1601 | function hslToRgb(h, s, l) { |
| 1602 | var r, g, b; |
| 1603 | |
| 1604 | h = bound01(h, 360); |
| 1605 | s = bound01(s, 100); |
| 1606 | l = bound01(l, 100); |
| 1607 | |
| 1608 | function hue2rgb(p, q, t) { |
| 1609 | if(t < 0) t += 1; |
| 1610 | if(t > 1) t -= 1; |
| 1611 | if(t < 1/6) return p + (q - p) * 6 * t; |
| 1612 | if(t < 1/2) return q; |
| 1613 | if(t < 2/3) return p + (q - p) * (2/3 - t) * 6; |
| 1614 | return p; |
| 1615 | } |
| 1616 | |
| 1617 | if(s === 0) { |
| 1618 | r = g = b = l; // achromatic |
| 1619 | } |
| 1620 | else { |
| 1621 | var q = l < 0.5 ? l * (1 + s) : l + s - l * s; |
| 1622 | var p = 2 * l - q; |
| 1623 | r = hue2rgb(p, q, h + 1/3); |
| 1624 | g = hue2rgb(p, q, h); |
| 1625 | b = hue2rgb(p, q, h - 1/3); |
| 1626 | } |
| 1627 | |
| 1628 | return { r: r * 255, g: g * 255, b: b * 255 }; |
| 1629 | } |
| 1630 | |
| 1631 | // `rgbToHsv` |
| 1632 | // Converts an RGB color value to HSV |
| 1633 | // *Assumes:* r, g, and b are contained in the set [0, 255] or [0, 1] |
| 1634 | // *Returns:* { h, s, v } in [0,1] |
| 1635 | function rgbToHsv(r, g, b) { |
| 1636 | |
| 1637 | r = bound01(r, 255); |
| 1638 | g = bound01(g, 255); |
| 1639 | b = bound01(b, 255); |
| 1640 | |
| 1641 | var max = mathMax(r, g, b), min = mathMin(r, g, b); |
| 1642 | var h, s, v = max; |
| 1643 | |
| 1644 | var d = max - min; |
| 1645 | s = max === 0 ? 0 : d / max; |
| 1646 | |
| 1647 | if(max == min) { |
| 1648 | h = 0; // achromatic |
| 1649 | } |
| 1650 | else { |
| 1651 | switch(max) { |
| 1652 | case r: h = (g - b) / d + (g < b ? 6 : 0); break; |
| 1653 | case g: h = (b - r) / d + 2; break; |
| 1654 | case b: h = (r - g) / d + 4; break; |
| 1655 | } |
| 1656 | h /= 6; |
| 1657 | } |
| 1658 | return { h: h, s: s, v: v }; |
| 1659 | } |
| 1660 | |
| 1661 | // `hsvToRgb` |
| 1662 | // Converts an HSV color value to RGB. |
| 1663 | // *Assumes:* h is contained in [0, 1] or [0, 360] and s and v are contained in [0, 1] or [0, 100] |
| 1664 | // *Returns:* { r, g, b } in the set [0, 255] |
| 1665 | function hsvToRgb(h, s, v) { |
| 1666 | |
| 1667 | h = bound01(h, 360) * 6; |
| 1668 | s = bound01(s, 100); |
| 1669 | v = bound01(v, 100); |
| 1670 | |
| 1671 | var i = math.floor(h), |
| 1672 | f = h - i, |
| 1673 | p = v * (1 - s), |
| 1674 | q = v * (1 - f * s), |
| 1675 | t = v * (1 - (1 - f) * s), |
| 1676 | mod = i % 6, |
| 1677 | r = [v, q, p, p, t, v][mod], |
| 1678 | g = [t, v, v, q, p, p][mod], |
| 1679 | b = [p, p, t, v, v, q][mod]; |
| 1680 | |
| 1681 | return { r: r * 255, g: g * 255, b: b * 255 }; |
| 1682 | } |
| 1683 | |
| 1684 | // `rgbToHex` |
| 1685 | // Converts an RGB color to hex |
| 1686 | // Assumes r, g, and b are contained in the set [0, 255] |
| 1687 | // Returns a 3 or 6 character hex |
| 1688 | function rgbToHex(r, g, b, allow3Char) { |
| 1689 | |
| 1690 | var hex = [ |
| 1691 | pad2(mathRound(r).toString(16)), |
| 1692 | pad2(mathRound(g).toString(16)), |
| 1693 | pad2(mathRound(b).toString(16)) |
| 1694 | ]; |
| 1695 | |
| 1696 | // Return a 3 character hex if possible |
| 1697 | if (allow3Char && hex[0].charAt(0) == hex[0].charAt(1) && hex[1].charAt(0) == hex[1].charAt(1) && hex[2].charAt(0) == hex[2].charAt(1)) { |
| 1698 | return hex[0].charAt(0) + hex[1].charAt(0) + hex[2].charAt(0); |
| 1699 | } |
| 1700 | |
| 1701 | return hex.join(""); |
| 1702 | } |
| 1703 | // `rgbaToHex` |
| 1704 | // Converts an RGBA color plus alpha transparency to hex |
| 1705 | // Assumes r, g, b and a are contained in the set [0, 255] |
| 1706 | // Returns an 8 character hex |
| 1707 | function rgbaToHex(r, g, b, a) { |
| 1708 | |
| 1709 | var hex = [ |
| 1710 | pad2(convertDecimalToHex(a)), |
| 1711 | pad2(mathRound(r).toString(16)), |
| 1712 | pad2(mathRound(g).toString(16)), |
| 1713 | pad2(mathRound(b).toString(16)) |
| 1714 | ]; |
| 1715 | |
| 1716 | return hex.join(""); |
| 1717 | } |
| 1718 | |
| 1719 | // `equals` |
| 1720 | // Can be called with any tinycolor input |
| 1721 | tinycolor.equals = function (color1, color2) { |
| 1722 | if (!color1 || !color2) { return false; } |
| 1723 | return tinycolor(color1).toRgbString() == tinycolor(color2).toRgbString(); |
| 1724 | }; |
| 1725 | tinycolor.random = function() { |
| 1726 | return tinycolor.fromRatio({ |
| 1727 | r: mathRandom(), |
| 1728 | g: mathRandom(), |
| 1729 | b: mathRandom() |
| 1730 | }); |
| 1731 | }; |
| 1732 | |
| 1733 | |
| 1734 | // Modification Functions |
| 1735 | // ---------------------- |
| 1736 | // Thanks to less.js for some of the basics here |
| 1737 | // <https://github.com/cloudhead/less.js/blob/master/lib/less/functions.js> |
| 1738 | |
| 1739 | function desaturate(color, amount) { |
| 1740 | amount = (amount === 0) ? 0 : (amount || 10); |
| 1741 | var hsl = tinycolor(color).toHsl(); |
| 1742 | hsl.s -= amount / 100; |
| 1743 | hsl.s = clamp01(hsl.s); |
| 1744 | return tinycolor(hsl); |
| 1745 | } |
| 1746 | |
| 1747 | function saturate(color, amount) { |
| 1748 | amount = (amount === 0) ? 0 : (amount || 10); |
| 1749 | var hsl = tinycolor(color).toHsl(); |
| 1750 | hsl.s += amount / 100; |
| 1751 | hsl.s = clamp01(hsl.s); |
| 1752 | return tinycolor(hsl); |
| 1753 | } |
| 1754 | |
| 1755 | function greyscale(color) { |
| 1756 | return tinycolor(color).desaturate(100); |
| 1757 | } |
| 1758 | |
| 1759 | function lighten (color, amount) { |
| 1760 | amount = (amount === 0) ? 0 : (amount || 10); |
| 1761 | var hsl = tinycolor(color).toHsl(); |
| 1762 | hsl.l += amount / 100; |
| 1763 | hsl.l = clamp01(hsl.l); |
| 1764 | return tinycolor(hsl); |
| 1765 | } |
| 1766 | |
| 1767 | function brighten(color, amount) { |
| 1768 | amount = (amount === 0) ? 0 : (amount || 10); |
| 1769 | var rgb = tinycolor(color).toRgb(); |
| 1770 | rgb.r = mathMax(0, mathMin(255, rgb.r - mathRound(255 * - (amount / 100)))); |
| 1771 | rgb.g = mathMax(0, mathMin(255, rgb.g - mathRound(255 * - (amount / 100)))); |
| 1772 | rgb.b = mathMax(0, mathMin(255, rgb.b - mathRound(255 * - (amount / 100)))); |
| 1773 | return tinycolor(rgb); |
| 1774 | } |
| 1775 | |
| 1776 | function darken (color, amount) { |
| 1777 | amount = (amount === 0) ? 0 : (amount || 10); |
| 1778 | var hsl = tinycolor(color).toHsl(); |
| 1779 | hsl.l -= amount / 100; |
| 1780 | hsl.l = clamp01(hsl.l); |
| 1781 | return tinycolor(hsl); |
| 1782 | } |
| 1783 | |
| 1784 | // Spin takes a positive or negative amount within [-360, 360] indicating the change of hue. |
| 1785 | // Values outside of this range will be wrapped into this range. |
| 1786 | function spin(color, amount) { |
| 1787 | var hsl = tinycolor(color).toHsl(); |
| 1788 | var hue = (mathRound(hsl.h) + amount) % 360; |
| 1789 | hsl.h = hue < 0 ? 360 + hue : hue; |
| 1790 | return tinycolor(hsl); |
| 1791 | } |
| 1792 | |
| 1793 | // Combination Functions |
| 1794 | // --------------------- |
| 1795 | // Thanks to jQuery xColor for some of the ideas behind these |
| 1796 | // <https://github.com/infusion/jQuery-xcolor/blob/master/jquery.xcolor.js> |
| 1797 | |
| 1798 | function complement(color) { |
| 1799 | var hsl = tinycolor(color).toHsl(); |
| 1800 | hsl.h = (hsl.h + 180) % 360; |
| 1801 | return tinycolor(hsl); |
| 1802 | } |
| 1803 | |
| 1804 | function triad(color) { |
| 1805 | var hsl = tinycolor(color).toHsl(); |
| 1806 | var h = hsl.h; |
| 1807 | return [ |
| 1808 | tinycolor(color), |
| 1809 | tinycolor({ h: (h + 120) % 360, s: hsl.s, l: hsl.l }), |
| 1810 | tinycolor({ h: (h + 240) % 360, s: hsl.s, l: hsl.l }) |
| 1811 | ]; |
| 1812 | } |
| 1813 | |
| 1814 | function tetrad(color) { |
| 1815 | var hsl = tinycolor(color).toHsl(); |
| 1816 | var h = hsl.h; |
| 1817 | return [ |
| 1818 | tinycolor(color), |
| 1819 | tinycolor({ h: (h + 90) % 360, s: hsl.s, l: hsl.l }), |
| 1820 | tinycolor({ h: (h + 180) % 360, s: hsl.s, l: hsl.l }), |
| 1821 | tinycolor({ h: (h + 270) % 360, s: hsl.s, l: hsl.l }) |
| 1822 | ]; |
| 1823 | } |
| 1824 | |
| 1825 | function splitcomplement(color) { |
| 1826 | var hsl = tinycolor(color).toHsl(); |
| 1827 | var h = hsl.h; |
| 1828 | return [ |
| 1829 | tinycolor(color), |
| 1830 | tinycolor({ h: (h + 72) % 360, s: hsl.s, l: hsl.l}), |
| 1831 | tinycolor({ h: (h + 216) % 360, s: hsl.s, l: hsl.l}) |
| 1832 | ]; |
| 1833 | } |
| 1834 | |
| 1835 | function analogous(color, results, slices) { |
| 1836 | results = results || 6; |
| 1837 | slices = slices || 30; |
| 1838 | |
| 1839 | var hsl = tinycolor(color).toHsl(); |
| 1840 | var part = 360 / slices; |
| 1841 | var ret = [tinycolor(color)]; |
| 1842 | |
| 1843 | for (hsl.h = ((hsl.h - (part * results >> 1)) + 720) % 360; --results; ) { |
| 1844 | hsl.h = (hsl.h + part) % 360; |
| 1845 | ret.push(tinycolor(hsl)); |
| 1846 | } |
| 1847 | return ret; |
| 1848 | } |
| 1849 | |
| 1850 | function monochromatic(color, results) { |
| 1851 | results = results || 6; |
| 1852 | var hsv = tinycolor(color).toHsv(); |
| 1853 | var h = hsv.h, s = hsv.s, v = hsv.v; |
| 1854 | var ret = []; |
| 1855 | var modification = 1 / results; |
| 1856 | |
| 1857 | while (results--) { |
| 1858 | ret.push(tinycolor({ h: h, s: s, v: v})); |
| 1859 | v = (v + modification) % 1; |
| 1860 | } |
| 1861 | |
| 1862 | return ret; |
| 1863 | } |
| 1864 | |
| 1865 | // Utility Functions |
| 1866 | // --------------------- |
| 1867 | |
| 1868 | tinycolor.mix = function(color1, color2, amount) { |
| 1869 | amount = (amount === 0) ? 0 : (amount || 50); |
| 1870 | |
| 1871 | var rgb1 = tinycolor(color1).toRgb(); |
| 1872 | var rgb2 = tinycolor(color2).toRgb(); |
| 1873 | |
| 1874 | var p = amount / 100; |
| 1875 | var w = p * 2 - 1; |
| 1876 | var a = rgb2.a - rgb1.a; |
| 1877 | |
| 1878 | var w1; |
| 1879 | |
| 1880 | if (w * a == -1) { |
| 1881 | w1 = w; |
| 1882 | } else { |
| 1883 | w1 = (w + a) / (1 + w * a); |
| 1884 | } |
| 1885 | |
| 1886 | w1 = (w1 + 1) / 2; |
| 1887 | |
| 1888 | var w2 = 1 - w1; |
| 1889 | |
| 1890 | var rgba = { |
| 1891 | r: rgb2.r * w1 + rgb1.r * w2, |
| 1892 | g: rgb2.g * w1 + rgb1.g * w2, |
| 1893 | b: rgb2.b * w1 + rgb1.b * w2, |
| 1894 | a: rgb2.a * p + rgb1.a * (1 - p) |
| 1895 | }; |
| 1896 | |
| 1897 | return tinycolor(rgba); |
| 1898 | }; |
| 1899 | |
| 1900 | |
| 1901 | // Readability Functions |
| 1902 | // --------------------- |
| 1903 | // <http://www.w3.org/TR/AERT#color-contrast> |
| 1904 | |
| 1905 | // `readability` |
| 1906 | // Analyze the 2 colors and returns an object with the following properties: |
| 1907 | // `brightness`: difference in brightness between the two colors |
| 1908 | // `color`: difference in color/hue between the two colors |
| 1909 | tinycolor.readability = function(color1, color2) { |
| 1910 | var c1 = tinycolor(color1); |
| 1911 | var c2 = tinycolor(color2); |
| 1912 | var rgb1 = c1.toRgb(); |
| 1913 | var rgb2 = c2.toRgb(); |
| 1914 | var brightnessA = c1.getBrightness(); |
| 1915 | var brightnessB = c2.getBrightness(); |
| 1916 | var colorDiff = ( |
| 1917 | Math.max(rgb1.r, rgb2.r) - Math.min(rgb1.r, rgb2.r) + |
| 1918 | Math.max(rgb1.g, rgb2.g) - Math.min(rgb1.g, rgb2.g) + |
| 1919 | Math.max(rgb1.b, rgb2.b) - Math.min(rgb1.b, rgb2.b) |
| 1920 | ); |
| 1921 | |
| 1922 | return { |
| 1923 | brightness: Math.abs(brightnessA - brightnessB), |
| 1924 | color: colorDiff |
| 1925 | }; |
| 1926 | }; |
| 1927 | |
| 1928 | // `readable` |
| 1929 | // http://www.w3.org/TR/AERT#color-contrast |
| 1930 | // Ensure that foreground and background color combinations provide sufficient contrast. |
| 1931 | // *Example* |
| 1932 | // tinycolor.isReadable("#000", "#111") => false |
| 1933 | tinycolor.isReadable = function(color1, color2) { |
| 1934 | var readability = tinycolor.readability(color1, color2); |
| 1935 | return readability.brightness > 125 && readability.color > 500; |
| 1936 | }; |
| 1937 | |
| 1938 | // `mostReadable` |
| 1939 | // Given a base color and a list of possible foreground or background |
| 1940 | // colors for that base, returns the most readable color. |
| 1941 | // *Example* |
| 1942 | // tinycolor.mostReadable("#123", ["#fff", "#000"]) => "#000" |
| 1943 | tinycolor.mostReadable = function(baseColor, colorList) { |
| 1944 | var bestColor = null; |
| 1945 | var bestScore = 0; |
| 1946 | var bestIsReadable = false; |
| 1947 | for (var i=0; i < colorList.length; i++) { |
| 1948 | |
| 1949 | // We normalize both around the "acceptable" breaking point, |
| 1950 | // but rank brightness constrast higher than hue. |
| 1951 | |
| 1952 | var readability = tinycolor.readability(baseColor, colorList[i]); |
| 1953 | var readable = readability.brightness > 125 && readability.color > 500; |
| 1954 | var score = 3 * (readability.brightness / 125) + (readability.color / 500); |
| 1955 | |
| 1956 | if ((readable && ! bestIsReadable) || |
| 1957 | (readable && bestIsReadable && score > bestScore) || |
| 1958 | ((! readable) && (! bestIsReadable) && score > bestScore)) { |
| 1959 | bestIsReadable = readable; |
| 1960 | bestScore = score; |
| 1961 | bestColor = tinycolor(colorList[i]); |
| 1962 | } |
| 1963 | } |
| 1964 | return bestColor; |
| 1965 | }; |
| 1966 | |
| 1967 | |
| 1968 | // Big List of Colors |
| 1969 | // ------------------ |
| 1970 | // <http://www.w3.org/TR/css3-color/#svg-color> |
| 1971 | var names = tinycolor.names = { |
| 1972 | aliceblue: "f0f8ff", |
| 1973 | antiquewhite: "faebd7", |
| 1974 | aqua: "0ff", |
| 1975 | aquamarine: "7fffd4", |
| 1976 | azure: "f0ffff", |
| 1977 | beige: "f5f5dc", |
| 1978 | bisque: "ffe4c4", |
| 1979 | black: "000", |
| 1980 | blanchedalmond: "ffebcd", |
| 1981 | blue: "00f", |
| 1982 | blueviolet: "8a2be2", |
| 1983 | brown: "a52a2a", |
| 1984 | burlywood: "deb887", |
| 1985 | burntsienna: "ea7e5d", |
| 1986 | cadetblue: "5f9ea0", |
| 1987 | chartreuse: "7fff00", |
| 1988 | chocolate: "d2691e", |
| 1989 | coral: "ff7f50", |
| 1990 | cornflowerblue: "6495ed", |
| 1991 | cornsilk: "fff8dc", |
| 1992 | crimson: "dc143c", |
| 1993 | cyan: "0ff", |
| 1994 | darkblue: "00008b", |
| 1995 | darkcyan: "008b8b", |
| 1996 | darkgoldenrod: "b8860b", |
| 1997 | darkgray: "a9a9a9", |
| 1998 | darkgreen: "006400", |
| 1999 | darkgrey: "a9a9a9", |
| 2000 | darkkhaki: "bdb76b", |
| 2001 | darkmagenta: "8b008b", |
| 2002 | darkolivegreen: "556b2f", |
| 2003 | darkorange: "ff8c00", |
| 2004 | darkorchid: "9932cc", |
| 2005 | darkred: "8b0000", |
| 2006 | darksalmon: "e9967a", |
| 2007 | darkseagreen: "8fbc8f", |
| 2008 | darkslateblue: "483d8b", |
| 2009 | darkslategray: "2f4f4f", |
| 2010 | darkslategrey: "2f4f4f", |
| 2011 | darkturquoise: "00ced1", |
| 2012 | darkviolet: "9400d3", |
| 2013 | deeppink: "ff1493", |
| 2014 | deepskyblue: "00bfff", |
| 2015 | dimgray: "696969", |
| 2016 | dimgrey: "696969", |
| 2017 | dodgerblue: "1e90ff", |
| 2018 | firebrick: "b22222", |
| 2019 | floralwhite: "fffaf0", |
| 2020 | forestgreen: "228b22", |
| 2021 | fuchsia: "f0f", |
| 2022 | gainsboro: "dcdcdc", |
| 2023 | ghostwhite: "f8f8ff", |
| 2024 | gold: "ffd700", |
| 2025 | goldenrod: "daa520", |
| 2026 | gray: "808080", |
| 2027 | green: "008000", |
| 2028 | greenyellow: "adff2f", |
| 2029 | grey: "808080", |
| 2030 | honeydew: "f0fff0", |
| 2031 | hotpink: "ff69b4", |
| 2032 | indianred: "cd5c5c", |
| 2033 | indigo: "4b0082", |
| 2034 | ivory: "fffff0", |
| 2035 | khaki: "f0e68c", |
| 2036 | lavender: "e6e6fa", |
| 2037 | lavenderblush: "fff0f5", |
| 2038 | lawngreen: "7cfc00", |
| 2039 | lemonchiffon: "fffacd", |
| 2040 | lightblue: "add8e6", |
| 2041 | lightcoral: "f08080", |
| 2042 | lightcyan: "e0ffff", |
| 2043 | lightgoldenrodyellow: "fafad2", |
| 2044 | lightgray: "d3d3d3", |
| 2045 | lightgreen: "90ee90", |
| 2046 | lightgrey: "d3d3d3", |
| 2047 | lightpink: "ffb6c1", |
| 2048 | lightsalmon: "ffa07a", |
| 2049 | lightseagreen: "20b2aa", |
| 2050 | lightskyblue: "87cefa", |
| 2051 | lightslategray: "789", |
| 2052 | lightslategrey: "789", |
| 2053 | lightsteelblue: "b0c4de", |
| 2054 | lightyellow: "ffffe0", |
| 2055 | lime: "0f0", |
| 2056 | limegreen: "32cd32", |
| 2057 | linen: "faf0e6", |
| 2058 | magenta: "f0f", |
| 2059 | maroon: "800000", |
| 2060 | mediumaquamarine: "66cdaa", |
| 2061 | mediumblue: "0000cd", |
| 2062 | mediumorchid: "ba55d3", |
| 2063 | mediumpurple: "9370db", |
| 2064 | mediumseagreen: "3cb371", |
| 2065 | mediumslateblue: "7b68ee", |
| 2066 | mediumspringgreen: "00fa9a", |
| 2067 | mediumturquoise: "48d1cc", |
| 2068 | mediumvioletred: "c71585", |
| 2069 | midnightblue: "191970", |
| 2070 | mintcream: "f5fffa", |
| 2071 | mistyrose: "ffe4e1", |
| 2072 | moccasin: "ffe4b5", |
| 2073 | navajowhite: "ffdead", |
| 2074 | navy: "000080", |
| 2075 | oldlace: "fdf5e6", |
| 2076 | olive: "808000", |
| 2077 | olivedrab: "6b8e23", |
| 2078 | orange: "ffa500", |
| 2079 | orangered: "ff4500", |
| 2080 | orchid: "da70d6", |
| 2081 | palegoldenrod: "eee8aa", |
| 2082 | palegreen: "98fb98", |
| 2083 | paleturquoise: "afeeee", |
| 2084 | palevioletred: "db7093", |
| 2085 | papayawhip: "ffefd5", |
| 2086 | peachpuff: "ffdab9", |
| 2087 | peru: "cd853f", |
| 2088 | pink: "ffc0cb", |
| 2089 | plum: "dda0dd", |
| 2090 | powderblue: "b0e0e6", |
| 2091 | purple: "800080", |
| 2092 | rebeccapurple: "663399", |
| 2093 | red: "f00", |
| 2094 | rosybrown: "bc8f8f", |
| 2095 | royalblue: "4169e1", |
| 2096 | saddlebrown: "8b4513", |
| 2097 | salmon: "fa8072", |
| 2098 | sandybrown: "f4a460", |
| 2099 | seagreen: "2e8b57", |
| 2100 | seashell: "fff5ee", |
| 2101 | sienna: "a0522d", |
| 2102 | silver: "c0c0c0", |
| 2103 | skyblue: "87ceeb", |
| 2104 | slateblue: "6a5acd", |
| 2105 | slategray: "708090", |
| 2106 | slategrey: "708090", |
| 2107 | snow: "fffafa", |
| 2108 | springgreen: "00ff7f", |
| 2109 | steelblue: "4682b4", |
| 2110 | tan: "d2b48c", |
| 2111 | teal: "008080", |
| 2112 | thistle: "d8bfd8", |
| 2113 | tomato: "ff6347", |
| 2114 | turquoise: "40e0d0", |
| 2115 | violet: "ee82ee", |
| 2116 | wheat: "f5deb3", |
| 2117 | white: "fff", |
| 2118 | whitesmoke: "f5f5f5", |
| 2119 | yellow: "ff0", |
| 2120 | yellowgreen: "9acd32" |
| 2121 | }; |
| 2122 | |
| 2123 | // Make it easy to access colors via `hexNames[hex]` |
| 2124 | var hexNames = tinycolor.hexNames = flip(names); |
| 2125 | |
| 2126 | |
| 2127 | // Utilities |
| 2128 | // --------- |
| 2129 | |
| 2130 | // `{ 'name1': 'val1' }` becomes `{ 'val1': 'name1' }` |
| 2131 | function flip(o) { |
| 2132 | var flipped = { }; |
| 2133 | for (var i in o) { |
| 2134 | if (o.hasOwnProperty(i)) { |
| 2135 | flipped[o[i]] = i; |
| 2136 | } |
| 2137 | } |
| 2138 | return flipped; |
| 2139 | } |
| 2140 | |
| 2141 | // Return a valid alpha value [0,1] with all invalid values being set to 1 |
| 2142 | function boundAlpha(a) { |
| 2143 | a = parseFloat(a); |
| 2144 | |
| 2145 | if (isNaN(a) || a < 0 || a > 1) { |
| 2146 | a = 1; |
| 2147 | } |
| 2148 | |
| 2149 | return a; |
| 2150 | } |
| 2151 | |
| 2152 | // Take input from [0, n] and return it as [0, 1] |
| 2153 | function bound01(n, max) { |
| 2154 | if (isOnePointZero(n)) { n = "100%"; } |
| 2155 | |
| 2156 | var processPercent = isPercentage(n); |
| 2157 | n = mathMin(max, mathMax(0, parseFloat(n))); |
| 2158 | |
| 2159 | // Automatically convert percentage into number |
| 2160 | if (processPercent) { |
| 2161 | n = parseInt(n * max, 10) / 100; |
| 2162 | } |
| 2163 | |
| 2164 | // Handle floating point rounding errors |
| 2165 | if ((math.abs(n - max) < 0.000001)) { |
| 2166 | return 1; |
| 2167 | } |
| 2168 | |
| 2169 | // Convert into [0, 1] range if it isn't already |
| 2170 | return (n % max) / parseFloat(max); |
| 2171 | } |
| 2172 | |
| 2173 | // Force a number between 0 and 1 |
| 2174 | function clamp01(val) { |
| 2175 | return mathMin(1, mathMax(0, val)); |
| 2176 | } |
| 2177 | |
| 2178 | // Parse a base-16 hex value into a base-10 integer |
| 2179 | function parseIntFromHex(val) { |
| 2180 | return parseInt(val, 16); |
| 2181 | } |
| 2182 | |
| 2183 | // Need to handle 1.0 as 100%, since once it is a number, there is no difference between it and 1 |
| 2184 | // <http://stackoverflow.com/questions/7422072/javascript-how-to-detect-number-as-a-decimal-including-1-0> |
| 2185 | function isOnePointZero(n) { |
| 2186 | return typeof n == "string" && n.indexOf('.') != -1 && parseFloat(n) === 1; |
| 2187 | } |
| 2188 | |
| 2189 | // Check to see if string passed in is a percentage |
| 2190 | function isPercentage(n) { |
| 2191 | return typeof n === "string" && n.indexOf('%') != -1; |
| 2192 | } |
| 2193 | |
| 2194 | // Force a hex value to have 2 characters |
| 2195 | function pad2(c) { |
| 2196 | return c.length == 1 ? '0' + c : '' + c; |
| 2197 | } |
| 2198 | |
| 2199 | // Replace a decimal with it's percentage value |
| 2200 | function convertToPercentage(n) { |
| 2201 | if (n <= 1) { |
| 2202 | n = (n * 100) + "%"; |
| 2203 | } |
| 2204 | |
| 2205 | return n; |
| 2206 | } |
| 2207 | |
| 2208 | // Converts a decimal to a hex value |
| 2209 | function convertDecimalToHex(d) { |
| 2210 | return Math.round(parseFloat(d) * 255).toString(16); |
| 2211 | } |
| 2212 | // Converts a hex value to a decimal |
| 2213 | function convertHexToDecimal(h) { |
| 2214 | return (parseIntFromHex(h) / 255); |
| 2215 | } |
| 2216 | |
| 2217 | var matchers = (function() { |
| 2218 | |
| 2219 | // <http://www.w3.org/TR/css3-values/#integers> |
| 2220 | var CSS_INTEGER = "[-\\+]?\\d+%?"; |
| 2221 | |
| 2222 | // <http://www.w3.org/TR/css3-values/#number-value> |
| 2223 | var CSS_NUMBER = "[-\\+]?\\d*\\.\\d+%?"; |
| 2224 | |
| 2225 | // Allow positive/negative integer/number. Don't capture the either/or, just the entire outcome. |
| 2226 | var CSS_UNIT = "(?:" + CSS_NUMBER + ")|(?:" + CSS_INTEGER + ")"; |
| 2227 | |
| 2228 | // Actual matching. |
| 2229 | // Parentheses and commas are optional, but not required. |
| 2230 | // Whitespace can take the place of commas or opening paren |
| 2231 | var PERMISSIVE_MATCH3 = "[\\s|\\(]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")\\s*\\)?"; |
| 2232 | var PERMISSIVE_MATCH4 = "[\\s|\\(]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")\\s*\\)?"; |
| 2233 | |
| 2234 | return { |
| 2235 | rgb: new RegExp("rgb" + PERMISSIVE_MATCH3), |
| 2236 | rgba: new RegExp("rgba" + PERMISSIVE_MATCH4), |
| 2237 | hsl: new RegExp("hsl" + PERMISSIVE_MATCH3), |
| 2238 | hsla: new RegExp("hsla" + PERMISSIVE_MATCH4), |
| 2239 | hsv: new RegExp("hsv" + PERMISSIVE_MATCH3), |
| 2240 | hsva: new RegExp("hsva" + PERMISSIVE_MATCH4), |
| 2241 | hex3: /^([0-9a-fA-F]{1})([0-9a-fA-F]{1})([0-9a-fA-F]{1})$/, |
| 2242 | hex6: /^([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})$/, |
| 2243 | hex8: /^([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})$/ |
| 2244 | }; |
| 2245 | })(); |
| 2246 | |
| 2247 | // `stringInputToObject` |
| 2248 | // Permissive string parsing. Take in a number of formats, and output an object |
| 2249 | // based on detected format. Returns `{ r, g, b }` or `{ h, s, l }` or `{ h, s, v}` |
| 2250 | function stringInputToObject(color) { |
| 2251 | |
| 2252 | color = color.replace(trimLeft,'').replace(trimRight, '').toLowerCase(); |
| 2253 | var named = false; |
| 2254 | if (names[color]) { |
| 2255 | color = names[color]; |
| 2256 | named = true; |
| 2257 | } |
| 2258 | else if (color == 'transparent') { |
| 2259 | return { r: 0, g: 0, b: 0, a: 0, format: "name" }; |
| 2260 | } |
| 2261 | |
| 2262 | // Try to match string input using regular expressions. |
| 2263 | // Keep most of the number bounding out of this function - don't worry about [0,1] or [0,100] or [0,360] |
| 2264 | // Just return an object and let the conversion functions handle that. |
| 2265 | // This way the result will be the same whether the tinycolor is initialized with string or object. |
| 2266 | var match; |
| 2267 | if ((match = matchers.rgb.exec(color))) { |
| 2268 | return { r: match[1], g: match[2], b: match[3] }; |
| 2269 | } |
| 2270 | if ((match = matchers.rgba.exec(color))) { |
| 2271 | return { r: match[1], g: match[2], b: match[3], a: match[4] }; |
| 2272 | } |
| 2273 | if ((match = matchers.hsl.exec(color))) { |
| 2274 | return { h: match[1], s: match[2], l: match[3] }; |
| 2275 | } |
| 2276 | if ((match = matchers.hsla.exec(color))) { |
| 2277 | return { h: match[1], s: match[2], l: match[3], a: match[4] }; |
| 2278 | } |
| 2279 | if ((match = matchers.hsv.exec(color))) { |
| 2280 | return { h: match[1], s: match[2], v: match[3] }; |
| 2281 | } |
| 2282 | if ((match = matchers.hsva.exec(color))) { |
| 2283 | return { h: match[1], s: match[2], v: match[3], a: match[4] }; |
| 2284 | } |
| 2285 | if ((match = matchers.hex8.exec(color))) { |
| 2286 | return { |
| 2287 | a: convertHexToDecimal(match[1]), |
| 2288 | r: parseIntFromHex(match[2]), |
| 2289 | g: parseIntFromHex(match[3]), |
| 2290 | b: parseIntFromHex(match[4]), |
| 2291 | format: named ? "name" : "hex8" |
| 2292 | }; |
| 2293 | } |
| 2294 | if ((match = matchers.hex6.exec(color))) { |
| 2295 | return { |
| 2296 | r: parseIntFromHex(match[1]), |
| 2297 | g: parseIntFromHex(match[2]), |
| 2298 | b: parseIntFromHex(match[3]), |
| 2299 | format: named ? "name" : "hex" |
| 2300 | }; |
| 2301 | } |
| 2302 | if ((match = matchers.hex3.exec(color))) { |
| 2303 | return { |
| 2304 | r: parseIntFromHex(match[1] + '' + match[1]), |
| 2305 | g: parseIntFromHex(match[2] + '' + match[2]), |
| 2306 | b: parseIntFromHex(match[3] + '' + match[3]), |
| 2307 | format: named ? "name" : "hex" |
| 2308 | }; |
| 2309 | } |
| 2310 | |
| 2311 | return false; |
| 2312 | } |
| 2313 | |
| 2314 | window.tinycolor = tinycolor; |
| 2315 | })(); |
| 2316 | |
| 2317 | $(function () { |
| 2318 | if ($.fn.spectrum.load) { |
| 2319 | $.fn.spectrum.processNativeColorInputs(); |
| 2320 | } |
| 2321 | }); |
| 2322 | |
| 2323 | }); |
| 2324 |