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File: /home/thefkyzp/hulmvisaadvisor.com/wp-content/plugins/chaty/admin/assets/js/spectrum.js
// Spectrum Colorpicker v1.8.1 // https://github.com/bgrins/spectrum // Author: Brian Grinstead // License: MIT (function (factory) { "use strict"; if (typeof define === 'function' && define.amd) { // AMD define(['jquery'], factory); } else if (typeof exports == "object" && typeof module == "object") { // CommonJS module.exports = factory(require('jquery')); } else { // Browser factory(jQuery); } })(function($, undefined) { "use strict"; var defaultOpts = { // Callbacks beforeShow: noop, move: noop, change: noop, show: noop, hide: noop, // Options color: false, flat: false, showInput: false, allowEmpty: false, showButtons: true, clickoutFiresChange: true, showInitial: false, showPalette: false, showPaletteOnly: false, hideAfterPaletteSelect: false, togglePaletteOnly: false, showSelectionPalette: true, localStorageKey: false, appendTo: "body", maxSelectionSize: 7, cancelText: "cancel", chooseText: "choose", togglePaletteMoreText: "more", togglePaletteLessText: "less", clearText: "Clear Color Selection", noColorSelectedText: "No Color Selected", preferredFormat: false, className: "", // Deprecated - use containerClassName and replacerClassName instead. containerClassName: "", replacerClassName: "", showAlpha: false, theme: "sp-light", palette: [["#ffffff", "#000000", "#ff0000", "#ff8000", "#ffff00", "#008000", "#0000ff", "#4b0082", "#9400d3"]], selectionPalette: [], disabled: false, offset: null }, spectrums = [], IE = !!/msie/i.exec( window.navigator.userAgent ), rgbaSupport = (function() { function contains( str, substr ) { return !!~('' + str).indexOf(substr); } var elem = document.createElement('div'); var style = elem.style; style.cssText = 'background-color:rgba(0,0,0,.5)'; return contains(style.backgroundColor, 'rgba') || contains(style.backgroundColor, 'hsla'); })(), replaceInput = [ "<div class='sp-replacer'>", "<div class='sp-preview'><div class='sp-preview-inner'></div></div>", "<div class='sp-dd'>▼</div>", "</div>" ].join(''), markup = (function () { // IE does not support gradients with multiple stops, so we need to simulate // that for the rainbow slider with 8 divs that each have a single gradient var gradientFix = ""; if (IE) { for (var i = 1; i <= 6; i++) { gradientFix += "<div class='sp-" + i + "'></div>"; } } return [ "<div class='sp-container sp-hidden'>", "<div class='sp-palette-container'>", "<div class='sp-palette sp-thumb sp-cf'></div>", "<div class='sp-palette-button-container sp-cf'>", "<button type='button' class='sp-palette-toggle'></button>", "</div>", "</div>", "<div class='sp-picker-container'>", "<div class='sp-top sp-cf'>", "<div class='sp-fill'></div>", "<div class='sp-top-inner'>", "<div class='sp-color'>", "<div class='sp-sat'>", "<div class='sp-val'>", "<div class='sp-dragger'></div>", "</div>", "</div>", "</div>", "<div class='sp-clear sp-clear-display'>", "</div>", "<div class='sp-hue'>", "<div class='sp-slider'></div>", gradientFix, "</div>", "</div>", "<div class='sp-alpha'><div class='sp-alpha-inner'><div class='sp-alpha-handle'></div></div></div>", "</div>", "<div class='sp-input-container sp-cf'>", "<input class='sp-input' type='text' spellcheck='false' />", "</div>", "<div class='sp-initial sp-thumb sp-cf'></div>", "<div class='sp-button-container sp-cf'>", "<a class='sp-cancel' href='#'></a>", "<button type='button' class='sp-choose'></button>", "</div>", "</div>", "</div>" ].join(""); })(); function paletteTemplate (p, color, className, opts) { var html = []; for (var i = 0; i < p.length; i++) { var current = p[i]; if(current) { var tiny = tinycolor(current); var c = tiny.toHsl().l < 0.5 ? "sp-thumb-el sp-thumb-dark" : "sp-thumb-el sp-thumb-light"; c += (tinycolor.equals(color, current)) ? " sp-thumb-active" : ""; var formattedString = tiny.toString(opts.preferredFormat || "rgb"); var swatchStyle = rgbaSupport ? ("background-color:" + tiny.toRgbString()) : "filter:" + tiny.toFilter(); html.push('<span title="' + formattedString + '" data-color="' + tiny.toRgbString() + '" class="' + c + '"><span class="sp-thumb-inner" style="' + swatchStyle + ';"></span></span>'); } else { var cls = 'sp-clear-display'; html.push($('<div />') .append($('<span data-color="" style="background-color:transparent;" class="' + cls + '"></span>') .attr('title', opts.noColorSelectedText) ) .html() ); } } return "<div class='sp-cf " + className + "'>" + html.join('') + "</div>"; } function hideAll() { for (var i = 0; i < spectrums.length; i++) { if (spectrums[i]) { spectrums[i].hide(); } } } function instanceOptions(o, callbackContext) { var opts = $.extend({}, defaultOpts, o); opts.callbacks = { 'move': bind(opts.move, callbackContext), 'change': bind(opts.change, callbackContext), 'show': bind(opts.show, callbackContext), 'hide': bind(opts.hide, callbackContext), 'beforeShow': bind(opts.beforeShow, callbackContext) }; return opts; } function spectrum(element, o) { var opts = instanceOptions(o, element), flat = opts.flat, showSelectionPalette = opts.showSelectionPalette, localStorageKey = opts.localStorageKey, theme = opts.theme, callbacks = opts.callbacks, resize = throttle(reflow, 10), visible = false, isDragging = false, dragWidth = 0, dragHeight = 0, dragHelperHeight = 0, slideHeight = 0, slideWidth = 0, alphaWidth = 0, alphaSlideHelperWidth = 0, slideHelperHeight = 0, currentHue = 0, currentSaturation = 0, currentValue = 0, currentAlpha = 1, palette = [], paletteArray = [], paletteLookup = {}, selectionPalette = opts.selectionPalette.slice(0), maxSelectionSize = opts.maxSelectionSize, draggingClass = "sp-dragging", shiftMovementDirection = null; var doc = element.ownerDocument, body = doc.body, boundElement = $(element), disabled = false, container = $(markup, doc).addClass(theme), pickerContainer = container.find(".sp-picker-container"), dragger = container.find(".sp-color"), dragHelper = container.find(".sp-dragger"), slider = container.find(".sp-hue"), slideHelper = container.find(".sp-slider"), alphaSliderInner = container.find(".sp-alpha-inner"), alphaSlider = container.find(".sp-alpha"), alphaSlideHelper = container.find(".sp-alpha-handle"), textInput = container.find(".sp-input"), paletteContainer = container.find(".sp-palette"), initialColorContainer = container.find(".sp-initial"), cancelButton = container.find(".sp-cancel"), clearButton = container.find(".sp-clear"), chooseButton = container.find(".sp-choose"), toggleButton = container.find(".sp-palette-toggle"), isInput = boundElement.is("input"), isInputTypeColor = isInput && boundElement.attr("type") === "color" && inputTypeColorSupport(), shouldReplace = isInput && !flat, replacer = (shouldReplace) ? $(replaceInput).addClass(theme).addClass(opts.className).addClass(opts.replacerClassName) : $([]), offsetElement = (shouldReplace) ? replacer : boundElement, previewElement = replacer.find(".sp-preview-inner"), initialColor = opts.color || (isInput && boundElement.val()), colorOnShow = false, currentPreferredFormat = opts.preferredFormat, clickoutFiresChange = !opts.showButtons || opts.clickoutFiresChange, isEmpty = !initialColor, allowEmpty = opts.allowEmpty && !isInputTypeColor; function applyOptions() { if (opts.showPaletteOnly) { opts.showPalette = true; } toggleButton.text(opts.showPaletteOnly ? opts.togglePaletteMoreText : opts.togglePaletteLessText); if (opts.palette) { palette = opts.palette.slice(0); paletteArray = $.isArray(palette[0]) ? palette : [palette]; paletteLookup = {}; for (var i = 0; i < paletteArray.length; i++) { for (var j = 0; j < paletteArray[i].length; j++) { var rgb = tinycolor(paletteArray[i][j]).toRgbString(); paletteLookup[rgb] = true; } } } container.toggleClass("sp-flat", flat); container.toggleClass("sp-input-disabled", !opts.showInput); container.toggleClass("sp-alpha-enabled", opts.showAlpha); container.toggleClass("sp-clear-enabled", allowEmpty); container.toggleClass("sp-buttons-disabled", !opts.showButtons); container.toggleClass("sp-palette-buttons-disabled", !opts.togglePaletteOnly); container.toggleClass("sp-palette-disabled", !opts.showPalette); container.toggleClass("sp-palette-only", opts.showPaletteOnly); container.toggleClass("sp-initial-disabled", !opts.showInitial); container.addClass(opts.className).addClass(opts.containerClassName); reflow(); } function initialize() { if (IE) { container.find("*:not(input)").attr("unselectable", "on"); } applyOptions(); if (shouldReplace) { boundElement.after(replacer).hide(); } if (!allowEmpty) { clearButton.hide(); } if (flat) { boundElement.after(container).hide(); } else { var appendTo = opts.appendTo === "parent" ? boundElement.parent() : $(opts.appendTo); if (appendTo.length !== 1) { appendTo = $("body"); } appendTo.append(container); } updateSelectionPaletteFromStorage(); offsetElement.on("click.spectrum touchstart.spectrum", function (e) { if (!disabled) { toggle(); } e.stopPropagation(); if (!$(e.target).is("input")) { e.preventDefault(); } }); if(boundElement.is(":disabled") || (opts.disabled === true)) { disable(); } // Prevent clicks from bubbling up to document. This would cause it to be hidden. container.click(stopPropagation); // Handle user typed input textInput.change(setFromTextInput); textInput.on("paste", function () { setTimeout(setFromTextInput, 1); }); textInput.keydown(function (e) { if (e.keyCode == 13) { setFromTextInput(); } }); cancelButton.text(opts.cancelText); cancelButton.on("click.spectrum", function (e) { e.stopPropagation(); e.preventDefault(); revert(); hide(); }); clearButton.attr("title", opts.clearText); clearButton.on("click.spectrum", function (e) { e.stopPropagation(); e.preventDefault(); isEmpty = true; move(); if(flat) { //for the flat style, this is a change event updateOriginalInput(true); } }); chooseButton.text(opts.chooseText); chooseButton.on("click.spectrum", function (e) { e.stopPropagation(); e.preventDefault(); if (IE && textInput.is(":focus")) { textInput.trigger('change'); } if (isValid()) { updateOriginalInput(true); hide(); } }); toggleButton.text(opts.showPaletteOnly ? opts.togglePaletteMoreText : opts.togglePaletteLessText); toggleButton.on("click.spectrum", function (e) { e.stopPropagation(); e.preventDefault(); opts.showPaletteOnly = !opts.showPaletteOnly; // To make sure the Picker area is drawn on the right, next to the // Palette area (and not below the palette), first move the Palette // to the left to make space for the picker, plus 5px extra. // The 'applyOptions' function puts the whole container back into place // and takes care of the button-text and the sp-palette-only CSS class. if (!opts.showPaletteOnly && !flat) { container.css('left', '-=' + (pickerContainer.outerWidth(true) + 5)); } applyOptions(); }); draggable(alphaSlider, function (dragX, dragY, e) { currentAlpha = (dragX / alphaWidth); isEmpty = false; if (e.shiftKey) { currentAlpha = Math.round(currentAlpha * 10) / 10; } move(); }, dragStart, dragStop); draggable(slider, function (dragX, dragY) { currentHue = parseFloat(dragY / slideHeight); isEmpty = false; if (!opts.showAlpha) { currentAlpha = 1; } move(); }, dragStart, dragStop); draggable(dragger, function (dragX, dragY, e) { // shift+drag should snap the movement to either the x or y axis. if (!e.shiftKey) { shiftMovementDirection = null; } else if (!shiftMovementDirection) { var oldDragX = currentSaturation * dragWidth; var oldDragY = dragHeight - (currentValue * dragHeight); var furtherFromX = Math.abs(dragX - oldDragX) > Math.abs(dragY - oldDragY); shiftMovementDirection = furtherFromX ? "x" : "y"; } var setSaturation = !shiftMovementDirection || shiftMovementDirection === "x"; var setValue = !shiftMovementDirection || shiftMovementDirection === "y"; if (setSaturation) { currentSaturation = parseFloat(dragX / dragWidth); } if (setValue) { currentValue = parseFloat((dragHeight - dragY) / dragHeight); } isEmpty = false; if (!opts.showAlpha) { currentAlpha = 1; } move(); }, dragStart, dragStop); if (!!initialColor) { set(initialColor); // In case color was black - update the preview UI and set the format // since the set function will not run (default color is black). updateUI(); currentPreferredFormat = opts.preferredFormat || tinycolor(initialColor).format; addColorToSelectionPalette(initialColor); } else { updateUI(); } if (flat) { show(); } function paletteElementClick(e) { if (e.data && e.data.ignore) { set($(e.target).closest(".sp-thumb-el").data("color")); move(); } else { set($(e.target).closest(".sp-thumb-el").data("color")); move(); // If the picker is going to close immediately, a palette selection // is a change. Otherwise, it's a move only. if (opts.hideAfterPaletteSelect) { updateOriginalInput(true); hide(); } else { updateOriginalInput(); } } return false; } var paletteEvent = IE ? "mousedown.spectrum" : "click.spectrum touchstart.spectrum"; paletteContainer.on(paletteEvent, ".sp-thumb-el", paletteElementClick); initialColorContainer.on(paletteEvent, ".sp-thumb-el:nth-child(1)", { ignore: true }, paletteElementClick); } function updateSelectionPaletteFromStorage() { if (localStorageKey && window.localStorage) { // Migrate old palettes over to new format. May want to remove this eventually. try { var oldPalette = window.localStorage[localStorageKey].split(",#"); if (oldPalette.length > 1) { delete window.localStorage[localStorageKey]; $.each(oldPalette, function(i, c) { addColorToSelectionPalette(c); }); } } catch(e) { } try { selectionPalette = window.localStorage[localStorageKey].split(";"); } catch (e) { } } } function addColorToSelectionPalette(color) { if (showSelectionPalette) { var rgb = tinycolor(color).toRgbString(); if (!paletteLookup[rgb] && $.inArray(rgb, selectionPalette) === -1) { selectionPalette.push(rgb); while(selectionPalette.length > maxSelectionSize) { selectionPalette.shift(); } } if (localStorageKey && window.localStorage) { try { window.localStorage[localStorageKey] = selectionPalette.join(";"); } catch(e) { } } } } function getUniqueSelectionPalette() { var unique = []; if (opts.showPalette) { for (var i = 0; i < selectionPalette.length; i++) { var rgb = tinycolor(selectionPalette[i]).toRgbString(); if (!paletteLookup[rgb]) { unique.push(selectionPalette[i]); } } } return unique.reverse().slice(0, opts.maxSelectionSize); } function drawPalette() { var currentColor = get(); var html = $.map(paletteArray, function (palette, i) { return paletteTemplate(palette, currentColor, "sp-palette-row sp-palette-row-" + i, opts); }); updateSelectionPaletteFromStorage(); if (selectionPalette) { html.push(paletteTemplate(getUniqueSelectionPalette(), currentColor, "sp-palette-row sp-palette-row-selection", opts)); } paletteContainer.html(html.join("")); } function drawInitial() { if (opts.showInitial) { var initial = colorOnShow; var current = get(); initialColorContainer.html(paletteTemplate([initial, current], current, "sp-palette-row-initial", opts)); } } function dragStart() { if (dragHeight <= 0 || dragWidth <= 0 || slideHeight <= 0) { reflow(); } isDragging = true; container.addClass(draggingClass); shiftMovementDirection = null; boundElement.trigger('dragstart.spectrum', [ get() ]); } function dragStop() { isDragging = false; container.removeClass(draggingClass); boundElement.trigger('dragstop.spectrum', [ get() ]); } function setFromTextInput() { var value = textInput.val(); value = hexToRGB(value); if ((value === null || value === "") && allowEmpty) { set(null); move(); updateOriginalInput(); } else { var tiny = tinycolor(value); if (tiny.isValid()) { set(tiny); move(); updateOriginalInput(); } else { textInput.addClass("sp-validation-error"); } } } function toggle() { if (visible) { hide(); } else { show(); } } function show() { var event = $.Event('beforeShow.spectrum'); if (visible) { reflow(); return; } boundElement.trigger(event, [ get() ]); if (callbacks.beforeShow(get()) === false || event.isDefaultPrevented()) { return; } hideAll(); visible = true; $(doc).on("keydown.spectrum", onkeydown); $(doc).on("click.spectrum", clickout); $(window).on("resize.spectrum", resize); replacer.addClass("sp-active"); container.removeClass("sp-hidden"); reflow(); updateUI(); colorOnShow = get(); drawInitial(); callbacks.show(colorOnShow); boundElement.trigger('show.spectrum', [ colorOnShow ]); } function onkeydown(e) { // Close on ESC if (e.keyCode === 27) { hide(); } } function clickout(e) { // Return on right click. if (e.button == 2) { return; } // If a drag event was happening during the mouseup, don't hide // on click. if (isDragging) { return; } if (clickoutFiresChange) { updateOriginalInput(true); } else { revert(); } hide(); } function hide() { // Return if hiding is unnecessary if (!visible || flat) { return; } visible = false; $(doc).off("keydown.spectrum", onkeydown); $(doc).off("click.spectrum", clickout); $(window).off("resize.spectrum", resize); replacer.removeClass("sp-active"); container.addClass("sp-hidden"); callbacks.hide(get()); boundElement.trigger('hide.spectrum', [ get() ]); } function revert() { set(colorOnShow, true); updateOriginalInput(true); } function set(color, ignoreFormatChange) { if (tinycolor.equals(color, get())) { // Update UI just in case a validation error needs // to be cleared. updateUI(); return; } var newColor, newHsv; if (!color && allowEmpty) { isEmpty = true; } else { isEmpty = false; newColor = tinycolor(color); newHsv = newColor.toHsv(); currentHue = (newHsv.h % 360) / 360; currentSaturation = newHsv.s; currentValue = newHsv.v; currentAlpha = newHsv.a; } updateUI(); if (newColor && newColor.isValid() && !ignoreFormatChange) { currentPreferredFormat = opts.preferredFormat || newColor.getFormat(); } } function get(opts) { opts = opts || { }; if (allowEmpty && isEmpty) { return null; } return tinycolor.fromRatio({ h: currentHue, s: currentSaturation, v: currentValue, a: Math.round(currentAlpha * 1000) / 1000 }, { format: opts.format || currentPreferredFormat }); } function isValid() { return !textInput.hasClass("sp-validation-error"); } function move() { updateUI(); callbacks.move(get()); boundElement.trigger('move.spectrum', [ get() ]); } function updateUI() { textInput.removeClass("sp-validation-error"); updateHelperLocations(); // Update dragger background color (gradients take care of saturation and value). var flatColor = tinycolor.fromRatio({ h: currentHue, s: 1, v: 1 }); dragger.css("background-color", flatColor.toHexString()); // Get a format that alpha will be included in (hex and names ignore alpha) var format = currentPreferredFormat; if (currentAlpha < 1 && !(currentAlpha === 0 && format === "name")) { if (format === "hex" || format === "hex3" || format === "hex6" || format === "name") { format = "rgb"; } } var realColor = get({ format: format }), displayColor = ''; //reset background info for preview element previewElement.removeClass("sp-clear-display"); previewElement.css('background-color', 'transparent'); if (!realColor && allowEmpty) { // Update the replaced elements background with icon indicating no color selection previewElement.addClass("sp-clear-display"); } else { var realHex = realColor.toHexString(), realRgb = realColor.toRgbString(); // Update the replaced elements background color (with actual selected color) if (rgbaSupport || realColor.alpha === 1) { previewElement.css("background-color", realRgb); } else { previewElement.css("background-color", "transparent"); previewElement.css("filter", realColor.toFilter()); } if (opts.showAlpha) { var rgb = realColor.toRgb(); rgb.a = 0; var realAlpha = tinycolor(rgb).toRgbString(); var gradient = "linear-gradient(left, " + realAlpha + ", " + realHex + ")"; if (IE) { alphaSliderInner.css("filter", tinycolor(realAlpha).toFilter({ gradientType: 1 }, realHex)); } else { alphaSliderInner.css("background", "-webkit-" + gradient); alphaSliderInner.css("background", "-moz-" + gradient); alphaSliderInner.css("background", "-ms-" + gradient); // Use current syntax gradient on unprefixed property. alphaSliderInner.css("background", "linear-gradient(to right, " + realAlpha + ", " + realHex + ")"); } } displayColor = realColor.toString(format); } // Update the text entry input as it changes happen if (opts.showInput) { displayColor = rgba2hex(displayColor); textInput.val(displayColor); } if (opts.showPalette) { drawPalette(); } drawInitial(); } function isValidHex(hex) { return /^#([A-Fa-f0-9]{3,4}){1,2}$/.test(hex); } function getChunksFromString(st, chunkSize) { return st.match(new RegExp(`.{${chunkSize}}`, "g")) } function convertHexUnitTo256(hexStr) { return parseInt(hexStr.repeat(2 / hexStr.length), 16); } function getAlphafloat(a, alpha) { if (typeof a !== "undefined") {return a / 255} if ((typeof alpha != "number") || alpha <0 || alpha >1){ return 1 } return alpha; } function hexToRGB(hex, alpha) { if(hex != "") { hex = hex.toLowerCase(); } var hexStr = (hex.substring(0,3)); if(hexStr == "rgb") { return hex; } hexStr = (hex.substring(0,1)); if(hexStr != "#") { hex = "#"+hex; } if (!isValidHex(hex)) { throw new Error("Invalid HEX") } const chunkSize = Math.floor((hex.length - 1) / 3) const hexArr = getChunksFromString(hex.slice(1), chunkSize) const [r, g, b, a] = hexArr.map(convertHexUnitTo256) return `rgba(${r}, ${g}, ${b}, ${getAlphafloat(a, alpha)})` } function rgba2hex(orig) { var a, isPercent, rgb = orig.replace(/\s/g, '').match(/^rgba?\((\d+),(\d+),(\d+),?([^,\s)]+)?/i), alpha = (rgb && rgb[4] || "").trim(), hex = rgb ? (rgb[1] | 1 << 8).toString(16).slice(1) + (rgb[2] | 1 << 8).toString(16).slice(1) + (rgb[3] | 1 << 8).toString(16).slice(1) : orig; if (alpha !== "") { a = alpha; } else { a = parseInt('01', 8); } // multiply before convert to HEX a = ((a * 255) | 1 << 8).toString(16).slice(1) hex = hex + a; return hex; } function updateHelperLocations() { var s = currentSaturation; var v = currentValue; if(allowEmpty && isEmpty) { //if selected color is empty, hide the helpers alphaSlideHelper.hide(); slideHelper.hide(); dragHelper.hide(); } else { //make sure helpers are visible alphaSlideHelper.show(); slideHelper.show(); dragHelper.show(); // Where to show the little circle in that displays your current selected color var dragX = s * dragWidth; var dragY = dragHeight - (v * dragHeight); dragX = Math.max( -dragHelperHeight, Math.min(dragWidth - dragHelperHeight, dragX - dragHelperHeight) ); dragY = Math.max( -dragHelperHeight, Math.min(dragHeight - dragHelperHeight, dragY - dragHelperHeight) ); dragHelper.css({ "top": dragY + "px", "left": dragX + "px" }); var alphaX = currentAlpha * alphaWidth; alphaSlideHelper.css({ "left": (alphaX - (alphaSlideHelperWidth / 2)) + "px" }); // Where to show the bar that displays your current selected hue var slideY = (currentHue) * slideHeight; slideHelper.css({ "top": (slideY - slideHelperHeight) + "px" }); } } function updateOriginalInput(fireCallback) { var color = get(), displayColor = '', hasChanged = !tinycolor.equals(color, colorOnShow); if (color) { displayColor = color.toString(currentPreferredFormat); // Update the selection palette with the current color addColorToSelectionPalette(color); } if (isInput) { boundElement.val(displayColor); } if (fireCallback && hasChanged) { callbacks.change(color); boundElement.trigger('change', [ color ]); } } function reflow() { if (!visible) { return; // Calculations would be useless and wouldn't be reliable anyways } dragWidth = dragger.width(); dragHeight = dragger.height(); dragHelperHeight = dragHelper.height(); slideWidth = slider.width(); slideHeight = slider.height(); slideHelperHeight = slideHelper.height(); alphaWidth = alphaSlider.width(); alphaSlideHelperWidth = alphaSlideHelper.width(); if (!flat) { container.css("position", "absolute"); if (opts.offset) { container.offset(opts.offset); } else { container.offset(getOffset(container, offsetElement)); } } updateHelperLocations(); if (opts.showPalette) { drawPalette(); } boundElement.trigger('reflow.spectrum'); } function destroy() { boundElement.show(); offsetElement.off("click.spectrum touchstart.spectrum"); container.remove(); replacer.remove(); spectrums[spect.id] = null; } function option(optionName, optionValue) { if (optionName === undefined) { return $.extend({}, opts); } if (optionValue === undefined) { return opts[optionName]; } opts[optionName] = optionValue; if (optionName === "preferredFormat") { currentPreferredFormat = opts.preferredFormat; } applyOptions(); } function enable() { disabled = false; boundElement.attr("disabled", false); offsetElement.removeClass("sp-disabled"); } function disable() { hide(); disabled = true; boundElement.attr("disabled", true); offsetElement.addClass("sp-disabled"); } function setOffset(coord) { opts.offset = coord; reflow(); } initialize(); var spect = { show: show, hide: hide, toggle: toggle, reflow: reflow, option: option, enable: enable, disable: disable, offset: setOffset, set: function (c) { set(c); updateOriginalInput(); }, get: get, destroy: destroy, container: container }; spect.id = spectrums.push(spect) - 1; return spect; } /** * checkOffset - get the offset below/above and left/right element depending on screen position * Thanks https://github.com/jquery/jquery-ui/blob/master/ui/jquery.ui.datepicker.js */ function getOffset(picker, input) { var extraY = 0; var dpWidth = picker.outerWidth(); var dpHeight = picker.outerHeight(); var inputHeight = input.outerHeight(); var doc = picker[0].ownerDocument; var docElem = doc.documentElement; var viewWidth = docElem.clientWidth + $(doc).scrollLeft(); var viewHeight = docElem.clientHeight + $(doc).scrollTop(); var offset = input.offset(); var offsetLeft = offset.left; var offsetTop = offset.top; offsetTop += inputHeight; offsetLeft -= Math.min(offsetLeft, (offsetLeft + dpWidth > viewWidth && viewWidth > dpWidth) ? Math.abs(offsetLeft + dpWidth - viewWidth) : 0); offsetTop -= Math.min(offsetTop, ((offsetTop + dpHeight > viewHeight && viewHeight > dpHeight) ? Math.abs(dpHeight + inputHeight - extraY) : extraY)); return { top: offsetTop, bottom: offset.bottom, left: offsetLeft, right: offset.right, width: offset.width, height: offset.height }; } /** * noop - do nothing */ function noop() { } /** * stopPropagation - makes the code only doing this a little easier to read in line */ function stopPropagation(e) { e.stopPropagation(); } /** * Create a function bound to a given object * Thanks to underscore.js */ function bind(func, obj) { var slice = Array.prototype.slice; var args = slice.call(arguments, 2); return function () { return func.apply(obj, args.concat(slice.call(arguments))); }; } /** * Lightweight drag helper. Handles containment within the element, so that * when dragging, the x is within [0,element.width] and y is within [0,element.height] */ function draggable(element, onmove, onstart, onstop) { onmove = onmove || function () { }; onstart = onstart || function () { }; onstop = onstop || function () { }; var doc = document; var dragging = false; var offset = {}; var maxHeight = 0; var maxWidth = 0; var hasTouch = ('ontouchstart' in window); var duringDragEvents = {}; duringDragEvents["selectstart"] = prevent; duringDragEvents["dragstart"] = prevent; duringDragEvents["touchmove mousemove"] = move; duringDragEvents["touchend mouseup"] = stop; function prevent(e) { if (e.stopPropagation) { e.stopPropagation(); } if (e.preventDefault) { e.preventDefault(); } e.returnValue = false; } function move(e) { if (dragging) { // Mouseup happened outside of window if (IE && doc.documentMode < 9 && !e.button) { return stop(); } var t0 = e.originalEvent && e.originalEvent.touches && e.originalEvent.touches[0]; var pageX = t0 && t0.pageX || e.pageX; var pageY = t0 && t0.pageY || e.pageY; var dragX = Math.max(0, Math.min(pageX - offset.left, maxWidth)); var dragY = Math.max(0, Math.min(pageY - offset.top, maxHeight)); if (hasTouch) { // Stop scrolling in iOS prevent(e); } onmove.apply(element, [dragX, dragY, e]); } } function start(e) { var rightclick = (e.which) ? (e.which == 3) : (e.button == 2); if (!rightclick && !dragging) { if (onstart.apply(element, arguments) !== false) { dragging = true; maxHeight = $(element).height(); maxWidth = $(element).width(); offset = $(element).offset(); $(doc).on(duringDragEvents); $(doc.body).addClass("sp-dragging"); move(e); prevent(e); } } } function stop() { if (dragging) { $(doc).off(duringDragEvents); $(doc.body).removeClass("sp-dragging"); // Wait a tick before notifying observers to allow the click event // to fire in Chrome. setTimeout(function() { onstop.apply(element, arguments); }, 0); } dragging = false; } $(element).on("touchstart mousedown", start); } function throttle(func, wait, debounce) { var timeout; return function () { var context = this, args = arguments; var throttler = function () { timeout = null; func.apply(context, args); }; if (debounce) clearTimeout(timeout); if (debounce || !timeout) timeout = setTimeout(throttler, wait); }; } function inputTypeColorSupport() { return $.fn.spectrum.inputTypeColorSupport(); } /** * Define a jQuery plugin */ var dataID = "spectrum.id"; $.fn.spectrum = function (opts, extra) { if (typeof opts == "string") { var returnValue = this; var args = Array.prototype.slice.call( arguments, 1 ); this.each(function () { var spect = spectrums[$(this).data(dataID)]; if (spect) { var method = spect[opts]; if (!method) { throw new Error( "Spectrum: no such method: '" + opts + "'" ); } if (opts == "get") { returnValue = spect.get(); } else if (opts == "container") { returnValue = spect.container; } else if (opts == "option") { returnValue = spect.option.apply(spect, args); } else if (opts == "destroy") { spect.destroy(); $(this).removeData(dataID); } else { method.apply(spect, args); } } }); return returnValue; } // Initializing a new instance of spectrum return this.spectrum("destroy").each(function () { var options = $.extend({}, $(this).data(), opts); var spect = spectrum(this, options); $(this).data(dataID, spect.id); }); }; $.fn.spectrum.load = true; $.fn.spectrum.loadOpts = {}; $.fn.spectrum.draggable = draggable; $.fn.spectrum.defaults = defaultOpts; $.fn.spectrum.inputTypeColorSupport = function inputTypeColorSupport() { if (typeof inputTypeColorSupport._cachedResult === "undefined") { var colorInput = $("<input type='color'/>")[0]; // if color element is supported, value will default to not null inputTypeColorSupport._cachedResult = colorInput.type === "color" && colorInput.value !== ""; } return inputTypeColorSupport._cachedResult; }; $.spectrum = { }; $.spectrum.localization = { }; $.spectrum.palettes = { }; $.fn.spectrum.processNativeColorInputs = function () { var colorInputs = $("input[type=color]"); if (colorInputs.length && !inputTypeColorSupport()) { colorInputs.spectrum({ preferredFormat: "hex6" }); } }; // TinyColor v1.1.2 // https://github.com/bgrins/TinyColor // Brian Grinstead, MIT License (function() { var trimLeft = /^[\s,#]+/, trimRight = /\s+$/, tinyCounter = 0, math = Math, mathRound = math.round, mathMin = math.min, mathMax = math.max, mathRandom = math.random; var tinycolor = function(color, opts) { color = (color) ? color : ''; opts = opts || { }; // If input is already a tinycolor, return itself if (color instanceof tinycolor) { return color; } // If we are called as a function, call using new instead if (!(this instanceof tinycolor)) { return new tinycolor(color, opts); } var rgb = inputToRGB(color); this._originalInput = color; this._r = rgb.r; this._g = rgb.g; this._b = rgb.b; this._a = rgb.a; this._roundA = mathRound(1000 * this._a) / 1000; this._format = opts.format || rgb.format; this._gradientType = opts.gradientType; // Don't let the range of [0,255] come back in [0,1]. // Potentially lose a little bit of precision here, but will fix issues where // .5 gets interpreted as half of the total, instead of half of 1 // If it was supposed to be 128, this was already taken care of by `inputToRgb` if (this._r < 1) { this._r = mathRound(this._r); } if (this._g < 1) { this._g = mathRound(this._g); } if (this._b < 1) { this._b = mathRound(this._b); } this._ok = rgb.ok; this._tc_id = tinyCounter++; }; tinycolor.prototype = { isDark: function() { return this.getBrightness() < 128; }, isLight: function() { return !this.isDark(); }, isValid: function() { return this._ok; }, getOriginalInput: function() { return this._originalInput; }, getFormat: function() { return this._format; }, getAlpha: function() { return this._a; }, getBrightness: function() { var rgb = this.toRgb(); return (rgb.r * 299 + rgb.g * 587 + rgb.b * 114) / 1000; }, setAlpha: function(value) { this._a = boundAlpha(value); this._roundA = mathRound(1000 * this._a) / 1000; return this; }, toHsv: function() { var hsv = rgbToHsv(this._r, this._g, this._b); return { h: hsv.h * 360, s: hsv.s, v: hsv.v, a: this._a }; }, toHsvString: function() { var hsv = rgbToHsv(this._r, this._g, this._b); var h = mathRound(hsv.h * 360), s = mathRound(hsv.s * 100), v = mathRound(hsv.v * 100); return (this._a == 1) ? "hsv(" + h + ", " + s + "%, " + v + "%)" : "hsva(" + h + ", " + s + "%, " + v + "%, "+ this._roundA + ")"; }, toHsl: function() { var hsl = rgbToHsl(this._r, this._g, this._b); return { h: hsl.h * 360, s: hsl.s, l: hsl.l, a: this._a }; }, toHslString: function() { var hsl = rgbToHsl(this._r, this._g, this._b); var h = mathRound(hsl.h * 360), s = mathRound(hsl.s * 100), l = mathRound(hsl.l * 100); return (this._a == 1) ? "hsl(" + h + ", " + s + "%, " + l + "%)" : "hsla(" + h + ", " + s + "%, " + l + "%, "+ this._roundA + ")"; }, toHex: function(allow3Char) { return rgbToHex(this._r, this._g, this._b, allow3Char); }, toHexString: function(allow3Char) { return '#' + this.toHex(allow3Char); }, toHex8: function() { return rgbaToHex(this._r, this._g, this._b, this._a); }, toHex8String: function() { return '#' + this.toHex8(); }, toRgb: function() { return { r: mathRound(this._r), g: mathRound(this._g), b: mathRound(this._b), a: this._a }; }, toRgbString: function() { return (this._a == 1) ? "rgb(" + mathRound(this._r) + ", " + mathRound(this._g) + ", " + mathRound(this._b) + ")" : "rgba(" + mathRound(this._r) + ", " + mathRound(this._g) + ", " + mathRound(this._b) + ", " + this._roundA + ")"; }, toPercentageRgb: function() { 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 }; }, toPercentageRgbString: function() { return (this._a == 1) ? "rgb(" + mathRound(bound01(this._r, 255) * 100) + "%, " + mathRound(bound01(this._g, 255) * 100) + "%, " + mathRound(bound01(this._b, 255) * 100) + "%)" : "rgba(" + mathRound(bound01(this._r, 255) * 100) + "%, " + mathRound(bound01(this._g, 255) * 100) + "%, " + mathRound(bound01(this._b, 255) * 100) + "%, " + this._roundA + ")"; }, toName: function() { if (this._a === 0) { return "transparent"; } if (this._a < 1) { return false; } return hexNames[rgbToHex(this._r, this._g, this._b, true)] || false; }, toFilter: function(secondColor) { var hex8String = '#' + rgbaToHex(this._r, this._g, this._b, this._a); var secondHex8String = hex8String; var gradientType = this._gradientType ? "GradientType = 1, " : ""; if (secondColor) { var s = tinycolor(secondColor); secondHex8String = s.toHex8String(); } return "progid:DXImageTransform.Microsoft.gradient("+gradientType+"startColorstr="+hex8String+",endColorstr="+secondHex8String+")"; }, toString: function(format) { var formatSet = !!format; format = format || this._format; var formattedString = false; var hasAlpha = this._a < 1 && this._a >= 0; var needsAlphaFormat = !formatSet && hasAlpha && (format === "hex" || format === "hex6" || format === "hex3" || format === "name"); if (needsAlphaFormat) { // Special case for "transparent", all other non-alpha formats // will return rgba when there is transparency. if (format === "name" && this._a === 0) { return this.toName(); } return this.toRgbString(); } if (format === "rgb") { formattedString = this.toRgbString(); } if (format === "prgb") { formattedString = this.toPercentageRgbString(); } if (format === "hex" || format === "hex6") { formattedString = this.toHexString(); } if (format === "hex3") { formattedString = this.toHexString(true); } if (format === "hex8") { formattedString = this.toHex8String(); } if (format === "name") { formattedString = this.toName(); } if (format === "hsl") { formattedString = this.toHslString(); } if (format === "hsv") { formattedString = this.toHsvString(); } return formattedString || this.toHexString(); }, _applyModification: function(fn, args) { var color = fn.apply(null, [this].concat([].slice.call(args))); this._r = color._r; this._g = color._g; this._b = color._b; this.setAlpha(color._a); return this; }, lighten: function() { return this._applyModification(lighten, arguments); }, brighten: function() { return this._applyModification(brighten, arguments); }, darken: function() { return this._applyModification(darken, arguments); }, desaturate: function() { return this._applyModification(desaturate, arguments); }, saturate: function() { return this._applyModification(saturate, arguments); }, greyscale: function() { return this._applyModification(greyscale, arguments); }, spin: function() { return this._applyModification(spin, arguments); }, _applyCombination: function(fn, args) { return fn.apply(null, [this].concat([].slice.call(args))); }, analogous: function() { return this._applyCombination(analogous, arguments); }, complement: function() { return this._applyCombination(complement, arguments); }, monochromatic: function() { return this._applyCombination(monochromatic, arguments); }, splitcomplement: function() { return this._applyCombination(splitcomplement, arguments); }, triad: function() { return this._applyCombination(triad, arguments); }, tetrad: function() { return this._applyCombination(tetrad, arguments); } }; // If input is an object, force 1 into "1.0" to handle ratios properly // String input requires "1.0" as input, so 1 will be treated as 1 tinycolor.fromRatio = function(color, opts) { if (typeof color == "object") { var newColor = {}; for (var i in color) { if (color.hasOwnProperty(i)) { if (i === "a") { newColor[i] = color[i]; } else { newColor[i] = convertToPercentage(color[i]); } } } color = newColor; } return tinycolor(color, opts); }; // Given a string or object, convert that input to RGB // Possible string inputs: // // "red" // "#f00" or "f00" // "#ff0000" or "ff0000" // "#ff000000" or "ff000000" // "rgb 255 0 0" or "rgb (255, 0, 0)" // "rgb 1.0 0 0" or "rgb (1, 0, 0)" // "rgba (255, 0, 0, 1)" or "rgba 255, 0, 0, 1" // "rgba (1.0, 0, 0, 1)" or "rgba 1.0, 0, 0, 1" // "hsl(0, 100%, 50%)" or "hsl 0 100% 50%" // "hsla(0, 100%, 50%, 1)" or "hsla 0 100% 50%, 1" // "hsv(0, 100%, 100%)" or "hsv 0 100% 100%" // function inputToRGB(color) { var rgb = { r: 0, g: 0, b: 0 }; var a = 1; var ok = false; var format = false; if (typeof color == "string") { color = stringInputToObject(color); } if (typeof color == "object") { if (color.hasOwnProperty("r") && color.hasOwnProperty("g") && color.hasOwnProperty("b")) { rgb = rgbToRgb(color.r, color.g, color.b); ok = true; format = String(color.r).substr(-1) === "%" ? "prgb" : "rgb"; } else if (color.hasOwnProperty("h") && color.hasOwnProperty("s") && color.hasOwnProperty("v")) { color.s = convertToPercentage(color.s); color.v = convertToPercentage(color.v); rgb = hsvToRgb(color.h, color.s, color.v); ok = true; format = "hsv"; } else if (color.hasOwnProperty("h") && color.hasOwnProperty("s") && color.hasOwnProperty("l")) { color.s = convertToPercentage(color.s); color.l = convertToPercentage(color.l); rgb = hslToRgb(color.h, color.s, color.l); ok = true; format = "hsl"; } if (color.hasOwnProperty("a")) { a = color.a; } } a = boundAlpha(a); return { ok: ok, format: color.format || format, r: mathMin(255, mathMax(rgb.r, 0)), g: mathMin(255, mathMax(rgb.g, 0)), b: mathMin(255, mathMax(rgb.b, 0)), a: a }; } // Conversion Functions // -------------------- // `rgbToHsl`, `rgbToHsv`, `hslToRgb`, `hsvToRgb` modified from: // <http://mjijackson.com/2008/02/rgb-to-hsl-and-rgb-to-hsv-color-model-conversion-algorithms-in-javascript> // `rgbToRgb` // Handle bounds / percentage checking to conform to CSS color spec // <http://www.w3.org/TR/css3-color/> // *Assumes:* r, g, b in [0, 255] or [0, 1] // *Returns:* { r, g, b } in [0, 255] function rgbToRgb(r, g, b){ return { r: bound01(r, 255) * 255, g: bound01(g, 255) * 255, b: bound01(b, 255) * 255 }; } // `rgbToHsl` // Converts an RGB color value to HSL. // *Assumes:* r, g, and b are contained in [0, 255] or [0, 1] // *Returns:* { h, s, l } in [0,1] function rgbToHsl(r, g, b) { r = bound01(r, 255); g = bound01(g, 255); b = bound01(b, 255); var max = mathMax(r, g, b), min = mathMin(r, g, b); var h, s, l = (max + min) / 2; if(max == min) { h = s = 0; // achromatic } else { var d = max - min; s = l > 0.5 ? d / (2 - max - min) : d / (max + min); switch(max) { case r: h = (g - b) / d + (g < b ? 6 : 0); break; case g: h = (b - r) / d + 2; break; case b: h = (r - g) / d + 4; break; } h /= 6; } return { h: h, s: s, l: l }; } // `hslToRgb` // Converts an HSL color value to RGB. // *Assumes:* h is contained in [0, 1] or [0, 360] and s and l are contained [0, 1] or [0, 100] // *Returns:* { r, g, b } in the set [0, 255] function hslToRgb(h, s, l) { var r, g, b; h = bound01(h, 360); s = bound01(s, 100); l = bound01(l, 100); function hue2rgb(p, q, t) { if(t < 0) t += 1; if(t > 1) t -= 1; if(t < 1/6) return p + (q - p) * 6 * t; if(t < 1/2) return q; if(t < 2/3) return p + (q - p) * (2/3 - t) * 6; return p; } if(s === 0) { r = g = b = l; // achromatic } else { var q = l < 0.5 ? l * (1 + s) : l + s - l * s; var p = 2 * l - q; r = hue2rgb(p, q, h + 1/3); g = hue2rgb(p, q, h); b = hue2rgb(p, q, h - 1/3); } return { r: r * 255, g: g * 255, b: b * 255 }; } // `rgbToHsv` // Converts an RGB color value to HSV // *Assumes:* r, g, and b are contained in the set [0, 255] or [0, 1] // *Returns:* { h, s, v } in [0,1] function rgbToHsv(r, g, b) { r = bound01(r, 255); g = bound01(g, 255); b = bound01(b, 255); var max = mathMax(r, g, b), min = mathMin(r, g, b); var h, s, v = max; var d = max - min; s = max === 0 ? 0 : d / max; if(max == min) { h = 0; // achromatic } else { switch(max) { case r: h = (g - b) / d + (g < b ? 6 : 0); break; case g: h = (b - r) / d + 2; break; case b: h = (r - g) / d + 4; break; } h /= 6; } return { h: h, s: s, v: v }; } // `hsvToRgb` // Converts an HSV color value to RGB. // *Assumes:* h is contained in [0, 1] or [0, 360] and s and v are contained in [0, 1] or [0, 100] // *Returns:* { r, g, b } in the set [0, 255] function hsvToRgb(h, s, v) { h = bound01(h, 360) * 6; s = bound01(s, 100); v = bound01(v, 100); var i = math.floor(h), f = h - i, p = v * (1 - s), q = v * (1 - f * s), t = v * (1 - (1 - f) * s), mod = i % 6, r = [v, q, p, p, t, v][mod], g = [t, v, v, q, p, p][mod], b = [p, p, t, v, v, q][mod]; return { r: r * 255, g: g * 255, b: b * 255 }; } // `rgbToHex` // Converts an RGB color to hex // Assumes r, g, and b are contained in the set [0, 255] // Returns a 3 or 6 character hex function rgbToHex(r, g, b, allow3Char) { var hex = [ pad2(mathRound(r).toString(16)), pad2(mathRound(g).toString(16)), pad2(mathRound(b).toString(16)) ]; // Return a 3 character hex if possible 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)) { return hex[0].charAt(0) + hex[1].charAt(0) + hex[2].charAt(0); } return hex.join(""); } // `rgbaToHex` // Converts an RGBA color plus alpha transparency to hex // Assumes r, g, b and a are contained in the set [0, 255] // Returns an 8 character hex function rgbaToHex(r, g, b, a) { var hex = [ pad2(convertDecimalToHex(a)), pad2(mathRound(r).toString(16)), pad2(mathRound(g).toString(16)), pad2(mathRound(b).toString(16)) ]; return hex.join(""); } // `equals` // Can be called with any tinycolor input tinycolor.equals = function (color1, color2) { if (!color1 || !color2) { return false; } return tinycolor(color1).toRgbString() == tinycolor(color2).toRgbString(); }; tinycolor.random = function() { return tinycolor.fromRatio({ r: mathRandom(), g: mathRandom(), b: mathRandom() }); }; // Modification Functions // ---------------------- // Thanks to less.js for some of the basics here // <https://github.com/cloudhead/less.js/blob/master/lib/less/functions.js> function desaturate(color, amount) { amount = (amount === 0) ? 0 : (amount || 10); var hsl = tinycolor(color).toHsl(); hsl.s -= amount / 100; hsl.s = clamp01(hsl.s); return tinycolor(hsl); } function saturate(color, amount) { amount = (amount === 0) ? 0 : (amount || 10); var hsl = tinycolor(color).toHsl(); hsl.s += amount / 100; hsl.s = clamp01(hsl.s); return tinycolor(hsl); } function greyscale(color) { return tinycolor(color).desaturate(100); } function lighten (color, amount) { amount = (amount === 0) ? 0 : (amount || 10); var hsl = tinycolor(color).toHsl(); hsl.l += amount / 100; hsl.l = clamp01(hsl.l); return tinycolor(hsl); } function brighten(color, amount) { amount = (amount === 0) ? 0 : (amount || 10); var rgb = tinycolor(color).toRgb(); rgb.r = mathMax(0, mathMin(255, rgb.r - mathRound(255 * - (amount / 100)))); rgb.g = mathMax(0, mathMin(255, rgb.g - mathRound(255 * - (amount / 100)))); rgb.b = mathMax(0, mathMin(255, rgb.b - mathRound(255 * - (amount / 100)))); return tinycolor(rgb); } function darken (color, amount) { amount = (amount === 0) ? 0 : (amount || 10); var hsl = tinycolor(color).toHsl(); hsl.l -= amount / 100; hsl.l = clamp01(hsl.l); return tinycolor(hsl); } // Spin takes a positive or negative amount within [-360, 360] indicating the change of hue. // Values outside of this range will be wrapped into this range. function spin(color, amount) { var hsl = tinycolor(color).toHsl(); var hue = (mathRound(hsl.h) + amount) % 360; hsl.h = hue < 0 ? 360 + hue : hue; return tinycolor(hsl); } // Combination Functions // --------------------- // Thanks to jQuery xColor for some of the ideas behind these // <https://github.com/infusion/jQuery-xcolor/blob/master/jquery.xcolor.js> function complement(color) { var hsl = tinycolor(color).toHsl(); hsl.h = (hsl.h + 180) % 360; return tinycolor(hsl); } function triad(color) { var hsl = tinycolor(color).toHsl(); var h = hsl.h; return [ tinycolor(color), tinycolor({ h: (h + 120) % 360, s: hsl.s, l: hsl.l }), tinycolor({ h: (h + 240) % 360, s: hsl.s, l: hsl.l }) ]; } function tetrad(color) { var hsl = tinycolor(color).toHsl(); var h = hsl.h; return [ tinycolor(color), tinycolor({ h: (h + 90) % 360, s: hsl.s, l: hsl.l }), tinycolor({ h: (h + 180) % 360, s: hsl.s, l: hsl.l }), tinycolor({ h: (h + 270) % 360, s: hsl.s, l: hsl.l }) ]; } function splitcomplement(color) { var hsl = tinycolor(color).toHsl(); var h = hsl.h; return [ tinycolor(color), tinycolor({ h: (h + 72) % 360, s: hsl.s, l: hsl.l}), tinycolor({ h: (h + 216) % 360, s: hsl.s, l: hsl.l}) ]; } function analogous(color, results, slices) { results = results || 6; slices = slices || 30; var hsl = tinycolor(color).toHsl(); var part = 360 / slices; var ret = [tinycolor(color)]; for (hsl.h = ((hsl.h - (part * results >> 1)) + 720) % 360; --results; ) { hsl.h = (hsl.h + part) % 360; ret.push(tinycolor(hsl)); } return ret; } function monochromatic(color, results) { results = results || 6; var hsv = tinycolor(color).toHsv(); var h = hsv.h, s = hsv.s, v = hsv.v; var ret = []; var modification = 1 / results; while (results--) { ret.push(tinycolor({ h: h, s: s, v: v})); v = (v + modification) % 1; } return ret; } // Utility Functions // --------------------- tinycolor.mix = function(color1, color2, amount) { amount = (amount === 0) ? 0 : (amount || 50); var rgb1 = tinycolor(color1).toRgb(); var rgb2 = tinycolor(color2).toRgb(); var p = amount / 100; var w = p * 2 - 1; var a = rgb2.a - rgb1.a; var w1; if (w * a == -1) { w1 = w; } else { w1 = (w + a) / (1 + w * a); } w1 = (w1 + 1) / 2; var w2 = 1 - w1; var rgba = { r: rgb2.r * w1 + rgb1.r * w2, g: rgb2.g * w1 + rgb1.g * w2, b: rgb2.b * w1 + rgb1.b * w2, a: rgb2.a * p + rgb1.a * (1 - p) }; return tinycolor(rgba); }; // Readability Functions // --------------------- // <http://www.w3.org/TR/AERT#color-contrast> // `readability` // Analyze the 2 colors and returns an object with the following properties: // `brightness`: difference in brightness between the two colors // `color`: difference in color/hue between the two colors tinycolor.readability = function(color1, color2) { var c1 = tinycolor(color1); var c2 = tinycolor(color2); var rgb1 = c1.toRgb(); var rgb2 = c2.toRgb(); var brightnessA = c1.getBrightness(); var brightnessB = c2.getBrightness(); var colorDiff = ( Math.max(rgb1.r, rgb2.r) - Math.min(rgb1.r, rgb2.r) + Math.max(rgb1.g, rgb2.g) - Math.min(rgb1.g, rgb2.g) + Math.max(rgb1.b, rgb2.b) - Math.min(rgb1.b, rgb2.b) ); return { brightness: Math.abs(brightnessA - brightnessB), color: colorDiff }; }; // `readable` // http://www.w3.org/TR/AERT#color-contrast // Ensure that foreground and background color combinations provide sufficient contrast. // *Example* // tinycolor.isReadable("#000", "#111") => false tinycolor.isReadable = function(color1, color2) { var readability = tinycolor.readability(color1, color2); return readability.brightness > 125 && readability.color > 500; }; // `mostReadable` // Given a base color and a list of possible foreground or background // colors for that base, returns the most readable color. // *Example* // tinycolor.mostReadable("#123", ["#fff", "#000"]) => "#000" tinycolor.mostReadable = function(baseColor, colorList) { var bestColor = null; var bestScore = 0; var bestIsReadable = false; for (var i=0; i < colorList.length; i++) { // We normalize both around the "acceptable" breaking point, // but rank brightness constrast higher than hue. var readability = tinycolor.readability(baseColor, colorList[i]); var readable = readability.brightness > 125 && readability.color > 500; var score = 3 * (readability.brightness / 125) + (readability.color / 500); if ((readable && ! bestIsReadable) || (readable && bestIsReadable && score > bestScore) || ((! readable) && (! bestIsReadable) && score > bestScore)) { bestIsReadable = readable; bestScore = score; bestColor = tinycolor(colorList[i]); } } return bestColor; }; // Big List of Colors // ------------------ // <http://www.w3.org/TR/css3-color/#svg-color> var names = tinycolor.names = { aliceblue: "f0f8ff", antiquewhite: "faebd7", aqua: "0ff", aquamarine: "7fffd4", azure: "f0ffff", beige: "f5f5dc", bisque: "ffe4c4", black: "000", blanchedalmond: "ffebcd", blue: "00f", blueviolet: "8a2be2", brown: "a52a2a", burlywood: "deb887", burntsienna: "ea7e5d", cadetblue: "5f9ea0", chartreuse: "7fff00", chocolate: "d2691e", coral: "ff7f50", cornflowerblue: "6495ed", cornsilk: "fff8dc", crimson: "dc143c", cyan: "0ff", darkblue: "00008b", darkcyan: "008b8b", darkgoldenrod: "b8860b", darkgray: "a9a9a9", darkgreen: "006400", darkgrey: "a9a9a9", darkkhaki: "bdb76b", darkmagenta: "8b008b", darkolivegreen: "556b2f", darkorange: "ff8c00", darkorchid: "9932cc", darkred: "8b0000", darksalmon: "e9967a", darkseagreen: "8fbc8f", darkslateblue: "483d8b", darkslategray: "2f4f4f", darkslategrey: "2f4f4f", darkturquoise: "00ced1", darkviolet: "9400d3", deeppink: "ff1493", deepskyblue: "00bfff", dimgray: "696969", dimgrey: "696969", dodgerblue: "1e90ff", firebrick: "b22222", floralwhite: "fffaf0", forestgreen: "228b22", fuchsia: "f0f", gainsboro: "dcdcdc", ghostwhite: "f8f8ff", gold: "ffd700", goldenrod: "daa520", gray: "808080", green: "008000", greenyellow: "adff2f", grey: "808080", honeydew: "f0fff0", hotpink: "ff69b4", indianred: "cd5c5c", indigo: "4b0082", ivory: "fffff0", khaki: "f0e68c", lavender: "e6e6fa", lavenderblush: "fff0f5", lawngreen: "7cfc00", lemonchiffon: "fffacd", lightblue: "add8e6", lightcoral: "f08080", lightcyan: "e0ffff", lightgoldenrodyellow: "fafad2", lightgray: "d3d3d3", lightgreen: "90ee90", lightgrey: "d3d3d3", lightpink: "ffb6c1", lightsalmon: "ffa07a", lightseagreen: "20b2aa", lightskyblue: "87cefa", lightslategray: "789", lightslategrey: "789", lightsteelblue: "b0c4de", lightyellow: "ffffe0", lime: "0f0", limegreen: "32cd32", linen: "faf0e6", magenta: "f0f", maroon: "800000", mediumaquamarine: "66cdaa", mediumblue: "0000cd", mediumorchid: "ba55d3", mediumpurple: "9370db", mediumseagreen: "3cb371", mediumslateblue: "7b68ee", mediumspringgreen: "00fa9a", mediumturquoise: "48d1cc", mediumvioletred: "c71585", midnightblue: "191970", mintcream: "f5fffa", mistyrose: "ffe4e1", moccasin: "ffe4b5", navajowhite: "ffdead", navy: "000080", oldlace: "fdf5e6", olive: "808000", olivedrab: "6b8e23", orange: "ffa500", orangered: "ff4500", orchid: "da70d6", palegoldenrod: "eee8aa", palegreen: "98fb98", paleturquoise: "afeeee", palevioletred: "db7093", papayawhip: "ffefd5", peachpuff: "ffdab9", peru: "cd853f", pink: "ffc0cb", plum: "dda0dd", powderblue: "b0e0e6", purple: "800080", rebeccapurple: "663399", red: "f00", rosybrown: "bc8f8f", royalblue: "4169e1", saddlebrown: "8b4513", salmon: "fa8072", sandybrown: "f4a460", seagreen: "2e8b57", seashell: "fff5ee", sienna: "a0522d", silver: "c0c0c0", skyblue: "87ceeb", slateblue: "6a5acd", slategray: "708090", slategrey: "708090", snow: "fffafa", springgreen: "00ff7f", steelblue: "4682b4", tan: "d2b48c", teal: "008080", thistle: "d8bfd8", tomato: "ff6347", turquoise: "40e0d0", violet: "ee82ee", wheat: "f5deb3", white: "fff", whitesmoke: "f5f5f5", yellow: "ff0", yellowgreen: "9acd32" }; // Make it easy to access colors via `hexNames[hex]` var hexNames = tinycolor.hexNames = flip(names); // Utilities // --------- // `{ 'name1': 'val1' }` becomes `{ 'val1': 'name1' }` function flip(o) { var flipped = { }; for (var i in o) { if (o.hasOwnProperty(i)) { flipped[o[i]] = i; } } return flipped; } // Return a valid alpha value [0,1] with all invalid values being set to 1 function boundAlpha(a) { a = parseFloat(a); if (isNaN(a) || a < 0 || a > 1) { a = 1; } return a; } // Take input from [0, n] and return it as [0, 1] function bound01(n, max) { if (isOnePointZero(n)) { n = "100%"; } var processPercent = isPercentage(n); n = mathMin(max, mathMax(0, parseFloat(n))); // Automatically convert percentage into number if (processPercent) { n = parseInt(n * max, 10) / 100; } // Handle floating point rounding errors if ((math.abs(n - max) < 0.000001)) { return 1; } // Convert into [0, 1] range if it isn't already return (n % max) / parseFloat(max); } // Force a number between 0 and 1 function clamp01(val) { return mathMin(1, mathMax(0, val)); } // Parse a base-16 hex value into a base-10 integer function parseIntFromHex(val) { return parseInt(val, 16); } // Need to handle 1.0 as 100%, since once it is a number, there is no difference between it and 1 // <http://stackoverflow.com/questions/7422072/javascript-how-to-detect-number-as-a-decimal-including-1-0> function isOnePointZero(n) { return typeof n == "string" && n.indexOf('.') != -1 && parseFloat(n) === 1; } // Check to see if string passed in is a percentage function isPercentage(n) { return typeof n === "string" && n.indexOf('%') != -1; } // Force a hex value to have 2 characters function pad2(c) { return c.length == 1 ? '0' + c : '' + c; } // Replace a decimal with it's percentage value function convertToPercentage(n) { if (n <= 1) { n = (n * 100) + "%"; } return n; } // Converts a decimal to a hex value function convertDecimalToHex(d) { return Math.round(parseFloat(d) * 255).toString(16); } // Converts a hex value to a decimal function convertHexToDecimal(h) { return (parseIntFromHex(h) / 255); } var matchers = (function() { // <http://www.w3.org/TR/css3-values/#integers> var CSS_INTEGER = "[-\\+]?\\d+%?"; // <http://www.w3.org/TR/css3-values/#number-value> var CSS_NUMBER = "[-\\+]?\\d*\\.\\d+%?"; // Allow positive/negative integer/number. Don't capture the either/or, just the entire outcome. var CSS_UNIT = "(?:" + CSS_NUMBER + ")|(?:" + CSS_INTEGER + ")"; // Actual matching. // Parentheses and commas are optional, but not required. // Whitespace can take the place of commas or opening paren var PERMISSIVE_MATCH3 = "[\\s|\\(]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")\\s*\\)?"; var PERMISSIVE_MATCH4 = "[\\s|\\(]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")\\s*\\)?"; return { rgb: new RegExp("rgb" + PERMISSIVE_MATCH3), rgba: new RegExp("rgba" + PERMISSIVE_MATCH4), hsl: new RegExp("hsl" + PERMISSIVE_MATCH3), hsla: new RegExp("hsla" + PERMISSIVE_MATCH4), hsv: new RegExp("hsv" + PERMISSIVE_MATCH3), hsva: new RegExp("hsva" + PERMISSIVE_MATCH4), hex3: /^([0-9a-fA-F]{1})([0-9a-fA-F]{1})([0-9a-fA-F]{1})$/, hex6: /^([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})$/, hex8: /^([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})$/ }; })(); // `stringInputToObject` // Permissive string parsing. Take in a number of formats, and output an object // based on detected format. Returns `{ r, g, b }` or `{ h, s, l }` or `{ h, s, v}` function stringInputToObject(color) { color = color.replace(trimLeft,'').replace(trimRight, '').toLowerCase(); var named = false; if (names[color]) { color = names[color]; named = true; } else if (color == 'transparent') { return { r: 0, g: 0, b: 0, a: 0, format: "name" }; } // Try to match string input using regular expressions. // Keep most of the number bounding out of this function - don't worry about [0,1] or [0,100] or [0,360] // Just return an object and let the conversion functions handle that. // This way the result will be the same whether the tinycolor is initialized with string or object. var match; if ((match = matchers.rgb.exec(color))) { return { r: match[1], g: match[2], b: match[3] }; } if ((match = matchers.rgba.exec(color))) { return { r: match[1], g: match[2], b: match[3], a: match[4] }; } if ((match = matchers.hsl.exec(color))) { return { h: match[1], s: match[2], l: match[3] }; } if ((match = matchers.hsla.exec(color))) { return { h: match[1], s: match[2], l: match[3], a: match[4] }; } if ((match = matchers.hsv.exec(color))) { return { h: match[1], s: match[2], v: match[3] }; } if ((match = matchers.hsva.exec(color))) { return { h: match[1], s: match[2], v: match[3], a: match[4] }; } if ((match = matchers.hex8.exec(color))) { return { a: convertHexToDecimal(match[1]), r: parseIntFromHex(match[2]), g: parseIntFromHex(match[3]), b: parseIntFromHex(match[4]), format: named ? "name" : "hex8" }; } if ((match = matchers.hex6.exec(color))) { return { r: parseIntFromHex(match[1]), g: parseIntFromHex(match[2]), b: parseIntFromHex(match[3]), format: named ? "name" : "hex" }; } if ((match = matchers.hex3.exec(color))) { return { r: parseIntFromHex(match[1] + '' + match[1]), g: parseIntFromHex(match[2] + '' + match[2]), b: parseIntFromHex(match[3] + '' + match[3]), format: named ? "name" : "hex" }; } return false; } window.tinycolor = tinycolor; })(); $(function () { if ($.fn.spectrum.load) { $.fn.spectrum.processNativeColorInputs(); } }); });