// Spectrum Colorpicker v1.8.0 // 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 = [ "
", "
", "
", "
" ].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 += "
"; } } return [ "
", "
", "
", "
", "", "
", "
", "
", "
", "
", "
", "
", "
", "
", "
", "
", "
", "
", "
", "
", "
", "
", gradientFix, "
", "
", "
", "
", "
", "", "
", "
", "
", "", "", "
", "
", "
" ].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(''); } else { var cls = 'sp-clear-display'; html.push($('
') .append($('') .attr('title', opts.noColorSelectedText) ) .html() ); } } return "
" + html.join('') + "
"; } 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 = $("body"); } appendTo.append(container); } updateSelectionPaletteFromStorage(); offsetElement.bind("click.spectrum touchstart.spectrum", function (e) { if (!disabled) { toggle(); } e.stopPropagation(); if (!$(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.bind("paste", function () { setTimeout(setFromTextInput, 1); }); textInput.keydown(function (e) { if (e.keyCode == 13) { setFromTextInput(); } }); cancelButton.text(opts.cancelText); cancelButton.bind("click.spectrum", function (e) { e.stopPropagation(); e.preventDefault(); revert(); hide(); }); clearButton.attr("title", opts.clearText); clearButton.bind("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.bind("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.bind("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(); updateOriginalInput(true); if (opts.hideAfterPaletteSelect) { hide(); } } return false; } var paletteEvent = IE ? "mousedown.spectrum" : "click.spectrum touchstart.spectrum"; paletteContainer.delegate(".sp-thumb-el", paletteEvent, paletteElementClick); initialColorContainer.delegate(".sp-thumb-el:nth-child(1)", paletteEvent, { 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(); if ((value === null || value === "") && allowEmpty) { set(null); updateOriginalInput(true); } else { var tiny = tinycolor(value); if (tiny.isValid()) { set(tiny); updateOriginalInput(true); } 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).bind("keydown.spectrum", onkeydown); $(doc).bind("click.spectrum", clickout); $(window).bind("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).unbind("keydown.spectrum", onkeydown); $(doc).unbind("click.spectrum", clickout); $(window).unbind("resize.spectrum", resize); replacer.removeClass("sp-active"); container.addClass("sp-hidden"); callbacks.hide(get()); boundElement.trigger('hide.spectrum', [ get() ]); } function revert() { set(colorOnShow, 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 * 100) / 100 }, { 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) { textInput.val(displayColor); } if (opts.showPalette) { drawPalette(); } drawInitial(); } 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.unbind("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(); offset.top += inputHeight; offset.left -= Math.min(offset.left, (offset.left + dpWidth > viewWidth && viewWidth > dpWidth) ? Math.abs(offset.left + dpWidth - viewWidth) : 0); offset.top -= Math.min(offset.top, ((offset.top + dpHeight > viewHeight && viewHeight > dpHeight) ? Math.abs(dpHeight + inputHeight - extraY) : extraY)); return offset; } /** * 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).bind(duringDragEvents); $(doc.body).addClass("sp-dragging"); move(e); prevent(e); } } } function stop() { if (dragging) { $(doc).unbind(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).bind("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({}, opts, $(this).data()); 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 = $("")[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(100*this._a) / 100, // 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(100*this._a) / 100; // 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: // // `rgbToRgb` // Handle bounds / percentage checking to conform to CSS color spec // // *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 // // // 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 // // // 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 // // --------------------- // // // // `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 // // ------------------ // // // 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 // // // 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() { // // // var CSS_INTEGER = "[-\\+]?\\d+%?"; // // // 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(); } }); });