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https://github.com/piskelapp/piskel.git
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1965 lines
65 KiB
JavaScript
1965 lines
65 KiB
JavaScript
// Spectrum Colorpicker v1.1.2
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// https://github.com/bgrins/spectrum
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// Author: Brian Grinstead
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// License: MIT
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(function (window, $, undefined) {
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var defaultOpts = {
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// Callbacks
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beforeShow: noop,
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move: noop,
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change: noop,
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show: noop,
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hide: noop,
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// Options
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color: false,
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flat: false,
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showInput: false,
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showButtons: true,
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clickoutFiresChange: false,
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showInitial: false,
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showPalette: false,
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showPaletteOnly: false,
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showSelectionPalette: true,
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localStorageKey: false,
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appendTo: "body",
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maxSelectionSize: 7,
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cancelText: "cancel",
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chooseText: "choose",
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preferredFormat: false,
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className: "",
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showAlpha: false,
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theme: "sp-light",
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palette: ['fff', '000'],
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selectionPalette: [],
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disabled: false
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},
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spectrums = [],
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IE = !!/msie/i.exec( window.navigator.userAgent ),
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rgbaSupport = (function() {
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function contains( str, substr ) {
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return !!~('' + str).indexOf(substr);
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}
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var elem = document.createElement('div');
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var style = elem.style;
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style.cssText = 'background-color:rgba(0,0,0,.5)';
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return contains(style.backgroundColor, 'rgba') || contains(style.backgroundColor, 'hsla');
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})(),
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replaceInput = [
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"<div class='sp-replacer'>",
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"<div class='sp-preview'><div class='sp-preview-inner'></div></div>",
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"<div class='sp-dd'>▼</div>",
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"</div>"
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].join(''),
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markup = (function () {
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// IE does not support gradients with multiple stops, so we need to simulate
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// that for the rainbow slider with 8 divs that each have a single gradient
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var gradientFix = "";
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if (IE) {
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for (var i = 1; i <= 6; i++) {
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gradientFix += "<div class='sp-" + i + "'></div>";
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}
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}
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return [
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"<div class='sp-container sp-hidden'>",
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"<div class='sp-palette-container'>",
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"<div class='sp-palette sp-thumb sp-cf'></div>",
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"</div>",
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"<div class='sp-picker-container'>",
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"<div class='sp-top sp-cf'>",
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"<div class='sp-fill'></div>",
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"<div class='sp-top-inner'>",
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"<div class='sp-color'>",
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"<div class='sp-sat'>",
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"<div class='sp-val'>",
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"<div class='sp-dragger'></div>",
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"</div>",
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"</div>",
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"</div>",
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"<div class='sp-hue'>",
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"<div class='sp-slider'></div>",
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gradientFix,
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"</div>",
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"</div>",
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"<div class='sp-alpha'><div class='sp-alpha-inner'><div class='sp-alpha-handle'></div></div></div>",
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"</div>",
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"<div class='sp-input-container sp-cf'>",
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"<input class='sp-input' type='text' spellcheck='false' />",
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"</div>",
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"<div class='sp-initial sp-thumb sp-cf'></div>",
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"<div class='sp-button-container sp-cf'>",
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"<a class='sp-cancel' href='#'></a>",
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"<button class='sp-choose'></button>",
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"</div>",
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"</div>",
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"</div>"
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].join("");
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})();
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function paletteTemplate (p, color, className) {
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var html = [];
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for (var i = 0; i < p.length; i++) {
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var tiny = tinycolor(p[i]);
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var c = tiny.toHsl().l < 0.5 ? "sp-thumb-el sp-thumb-dark" : "sp-thumb-el sp-thumb-light";
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c += (tinycolor.equals(color, p[i])) ? " sp-thumb-active" : "";
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var swatchStyle = rgbaSupport ? ("background-color:" + tiny.toRgbString()) : "filter:" + tiny.toFilter();
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html.push('<span title="' + tiny.toRgbString() + '" data-color="' + tiny.toRgbString() + '" class="' + c + '"><span class="sp-thumb-inner" style="' + swatchStyle + ';" /></span>');
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}
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return "<div class='sp-cf " + className + "'>" + html.join('') + "</div>";
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}
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function hideAll() {
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for (var i = 0; i < spectrums.length; i++) {
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if (spectrums[i]) {
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spectrums[i].hide();
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}
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}
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}
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function instanceOptions(o, callbackContext) {
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var opts = $.extend({}, defaultOpts, o);
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opts.callbacks = {
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'move': bind(opts.move, callbackContext),
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'change': bind(opts.change, callbackContext),
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'show': bind(opts.show, callbackContext),
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'hide': bind(opts.hide, callbackContext),
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'beforeShow': bind(opts.beforeShow, callbackContext)
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};
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return opts;
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}
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function spectrum(element, o) {
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var opts = instanceOptions(o, element),
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flat = opts.flat,
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showSelectionPalette = opts.showSelectionPalette,
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localStorageKey = opts.localStorageKey,
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theme = opts.theme,
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callbacks = opts.callbacks,
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resize = throttle(reflow, 10),
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visible = false,
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dragWidth = 0,
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dragHeight = 0,
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dragHelperHeight = 0,
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slideHeight = 0,
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slideWidth = 0,
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alphaWidth = 0,
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alphaSlideHelperWidth = 0,
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slideHelperHeight = 0,
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currentHue = 0,
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currentSaturation = 0,
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currentValue = 0,
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currentAlpha = 1,
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palette = opts.palette.slice(0),
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paletteArray = $.isArray(palette[0]) ? palette : [palette],
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selectionPalette = opts.selectionPalette.slice(0),
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maxSelectionSize = opts.maxSelectionSize,
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draggingClass = "sp-dragging",
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shiftMovementDirection = null;
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var doc = element.ownerDocument,
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body = doc.body,
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boundElement = $(element),
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disabled = false,
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container = $(markup, doc).addClass(theme),
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dragger = container.find(".sp-color"),
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dragHelper = container.find(".sp-dragger"),
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slider = container.find(".sp-hue"),
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slideHelper = container.find(".sp-slider"),
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alphaSliderInner = container.find(".sp-alpha-inner"),
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alphaSlider = container.find(".sp-alpha"),
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alphaSlideHelper = container.find(".sp-alpha-handle"),
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textInput = container.find(".sp-input"),
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paletteContainer = container.find(".sp-palette"),
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initialColorContainer = container.find(".sp-initial"),
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cancelButton = container.find(".sp-cancel"),
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chooseButton = container.find(".sp-choose"),
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isInput = boundElement.is("input"),
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shouldReplace = isInput && !flat,
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replacer = (shouldReplace) ? $(replaceInput).addClass(theme).addClass(opts.className) : $([]),
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offsetElement = (shouldReplace) ? replacer : boundElement,
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previewElement = replacer.find(".sp-preview-inner"),
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initialColor = opts.color || (isInput && boundElement.val()),
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colorOnShow = false,
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preferredFormat = opts.preferredFormat,
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currentPreferredFormat = preferredFormat,
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clickoutFiresChange = !opts.showButtons || opts.clickoutFiresChange;
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function applyOptions() {
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if (opts.showPaletteOnly) {
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opts.showPalette = true;
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}
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container.toggleClass("sp-flat", flat);
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container.toggleClass("sp-input-disabled", !opts.showInput);
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container.toggleClass("sp-alpha-enabled", opts.showAlpha);
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container.toggleClass("sp-buttons-disabled", !opts.showButtons);
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container.toggleClass("sp-palette-disabled", !opts.showPalette);
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container.toggleClass("sp-palette-only", opts.showPaletteOnly);
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container.toggleClass("sp-initial-disabled", !opts.showInitial);
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container.addClass(opts.className);
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reflow();
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}
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function initialize() {
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if (IE) {
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container.find("*:not(input)").attr("unselectable", "on");
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}
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applyOptions();
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if (shouldReplace) {
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boundElement.after(replacer).hide();
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}
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if (flat) {
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boundElement.after(container).hide();
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}
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else {
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var appendTo = opts.appendTo === "parent" ? boundElement.parent() : $(opts.appendTo);
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if (appendTo.length !== 1) {
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appendTo = $("body");
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}
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appendTo.append(container);
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}
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if (localStorageKey && window.localStorage) {
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// Migrate old palettes over to new format. May want to remove this eventually.
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try {
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var oldPalette = window.localStorage[localStorageKey].split(",#");
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if (oldPalette.length > 1) {
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delete window.localStorage[localStorageKey];
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$.each(oldPalette, function(i, c) {
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addColorToSelectionPalette(c);
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});
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}
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}
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catch(e) { }
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try {
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selectionPalette = window.localStorage[localStorageKey].split(";");
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}
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catch (e) { }
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}
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offsetElement.bind("click.spectrum touchstart.spectrum", function (e) {
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if (!disabled) {
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toggle();
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}
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e.stopPropagation();
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if (!$(e.target).is("input")) {
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e.preventDefault();
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}
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});
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if(boundElement.is(":disabled") || (opts.disabled === true)) {
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disable();
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}
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// Prevent clicks from bubbling up to document. This would cause it to be hidden.
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container.click(stopPropagation);
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// Handle user typed input
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textInput.change(setFromTextInput);
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textInput.bind("paste", function () {
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setTimeout(setFromTextInput, 1);
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});
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textInput.keydown(function (e) { if (e.keyCode == 13) { setFromTextInput(); } });
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cancelButton.text(opts.cancelText);
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cancelButton.bind("click.spectrum", function (e) {
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e.stopPropagation();
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e.preventDefault();
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hide("cancel");
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});
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chooseButton.text(opts.chooseText);
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chooseButton.bind("click.spectrum", function (e) {
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e.stopPropagation();
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e.preventDefault();
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if (isValid()) {
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updateOriginalInput(true);
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hide();
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}
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});
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draggable(alphaSlider, function (dragX, dragY, e) {
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currentAlpha = (dragX / alphaWidth);
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if (e.shiftKey) {
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currentAlpha = Math.round(currentAlpha * 10) / 10;
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}
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move();
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});
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draggable(slider, function (dragX, dragY) {
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currentHue = parseFloat(dragY / slideHeight);
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move();
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}, dragStart, dragStop);
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draggable(dragger, function (dragX, dragY, e) {
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// shift+drag should snap the movement to either the x or y axis.
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if (!e.shiftKey) {
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shiftMovementDirection = null;
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}
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else if (!shiftMovementDirection) {
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var oldDragX = currentSaturation * dragWidth;
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var oldDragY = dragHeight - (currentValue * dragHeight);
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var furtherFromX = Math.abs(dragX - oldDragX) > Math.abs(dragY - oldDragY);
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shiftMovementDirection = furtherFromX ? "x" : "y";
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}
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var setSaturation = !shiftMovementDirection || shiftMovementDirection === "x";
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var setValue = !shiftMovementDirection || shiftMovementDirection === "y";
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if (setSaturation) {
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currentSaturation = parseFloat(dragX / dragWidth);
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}
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if (setValue) {
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currentValue = parseFloat((dragHeight - dragY) / dragHeight);
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}
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move();
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}, dragStart, dragStop);
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if (!!initialColor) {
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set(initialColor);
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// In case color was black - update the preview UI and set the format
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// since the set function will not run (default color is black).
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updateUI();
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currentPreferredFormat = preferredFormat || tinycolor(initialColor).format;
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addColorToSelectionPalette(initialColor);
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}
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else {
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updateUI();
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}
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if (flat) {
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show();
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}
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function palletElementClick(e) {
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if (e.data && e.data.ignore) {
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set($(this).data("color"));
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move();
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}
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else {
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set($(this).data("color"));
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updateOriginalInput(true);
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move();
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hide();
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}
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return false;
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}
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var paletteEvent = IE ? "mousedown.spectrum" : "click.spectrum touchstart.spectrum";
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paletteContainer.delegate(".sp-thumb-el", paletteEvent, palletElementClick);
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initialColorContainer.delegate(".sp-thumb-el:nth-child(1)", paletteEvent, { ignore: true }, palletElementClick);
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}
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function addColorToSelectionPalette(color) {
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if (showSelectionPalette) {
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var colorRgb = tinycolor(color).toRgbString();
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if ($.inArray(colorRgb, selectionPalette) === -1) {
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selectionPalette.push(colorRgb);
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while(selectionPalette.length > maxSelectionSize) {
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selectionPalette.shift();
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}
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}
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if (localStorageKey && window.localStorage) {
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try {
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window.localStorage[localStorageKey] = selectionPalette.join(";");
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}
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catch(e) { }
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}
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}
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}
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function getUniqueSelectionPalette() {
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var unique = [];
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var p = selectionPalette;
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var paletteLookup = {};
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var rgb;
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if (opts.showPalette) {
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for (var i = 0; i < paletteArray.length; i++) {
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for (var j = 0; j < paletteArray[i].length; j++) {
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rgb = tinycolor(paletteArray[i][j]).toRgbString();
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paletteLookup[rgb] = true;
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}
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}
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for (i = 0; i < p.length; i++) {
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rgb = tinycolor(p[i]).toRgbString();
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if (!paletteLookup.hasOwnProperty(rgb)) {
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unique.push(p[i]);
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paletteLookup[rgb] = true;
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}
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}
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}
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return unique.reverse().slice(0, opts.maxSelectionSize);
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}
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function drawPalette() {
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var currentColor = get();
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var html = $.map(paletteArray, function (palette, i) {
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return paletteTemplate(palette, currentColor, "sp-palette-row sp-palette-row-" + i);
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});
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if (selectionPalette) {
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html.push(paletteTemplate(getUniqueSelectionPalette(), currentColor, "sp-palette-row sp-palette-row-selection"));
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}
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paletteContainer.html(html.join(""));
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}
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function drawInitial() {
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if (opts.showInitial) {
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var initial = colorOnShow;
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var current = get();
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initialColorContainer.html(paletteTemplate([initial, current], current, "sp-palette-row-initial"));
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}
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}
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function dragStart() {
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if (dragHeight <= 0 || dragWidth <= 0 || slideHeight <= 0) {
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reflow();
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}
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container.addClass(draggingClass);
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shiftMovementDirection = null;
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}
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function dragStop() {
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container.removeClass(draggingClass);
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}
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function setFromTextInput() {
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var tiny = tinycolor(textInput.val());
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if (tiny.ok) {
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set(tiny);
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}
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else {
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textInput.addClass("sp-validation-error");
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}
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}
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function toggle() {
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if (visible) {
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hide();
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}
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else {
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show();
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}
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}
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function show() {
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var event = $.Event('beforeShow.spectrum');
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if (visible) {
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reflow();
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return;
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}
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colorOnShow = get();
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boundElement.trigger(event, [ colorOnShow ]);
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if (callbacks.beforeShow(colorOnShow) === false || event.isDefaultPrevented()) {
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return;
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}
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// if color has changed
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set(colorOnShow);
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hideAll();
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visible = true;
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$(doc).bind("mousedown.spectrum", onMousedown);
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// Piskel-specific : change the color as soon as the user does a mouseup
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$(doc).bind("mouseup.spectrum", updateColor);
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$(window).bind("resize.spectrum", resize);
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replacer.addClass("sp-active");
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container.removeClass("sp-hidden");
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if (opts.showPalette) {
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drawPalette();
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}
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reflow();
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updateUI();
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drawInitial();
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callbacks.show(colorOnShow);
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boundElement.trigger('show.spectrum', [ colorOnShow ]);
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}
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function onMousedown (e) {
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var target = $(e.target);
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var parents = target.parents();
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var isClickOutsideWidget = !parents.is(container) && !target.is(container);
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if (isClickOutsideWidget) {
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hide(e);
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}
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}
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// Piskel-specific (code extracted to method)
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function updateColor(e) {
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var colorHasChanged = !tinycolor.equals(get(), colorOnShow);
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if (colorHasChanged) {
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if (clickoutFiresChange && e !== "cancel") {
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updateOriginalInput(true);
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}
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else {
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revert();
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}
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}
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}
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function hide(e) {
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// Return on right click
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if (e && e.type == "click" && e.button == 2) { return; }
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// Return if hiding is unnecessary
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if (!visible || flat) { return; }
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visible = false;
|
|
|
|
$(doc).unbind("mousedown.spectrum", onMousedown);
|
|
|
|
// Piskel-specific
|
|
$(doc).unbind("mouseup.spectrum", updateColor);
|
|
|
|
$(window).unbind("resize.spectrum", resize);
|
|
|
|
replacer.removeClass("sp-active");
|
|
container.addClass("sp-hidden");
|
|
|
|
updateColor(e);
|
|
|
|
// Piskel-specific
|
|
addColorToSelectionPalette(get());
|
|
|
|
callbacks.hide(get());
|
|
boundElement.trigger('hide.spectrum', [ get() ]);
|
|
}
|
|
|
|
function revert() {
|
|
set(colorOnShow, true);
|
|
}
|
|
|
|
function set(color, ignoreFormatChange) {
|
|
if (tinycolor.equals(color, get())) {
|
|
return;
|
|
}
|
|
|
|
var newColor = tinycolor(color);
|
|
var newHsv = newColor.toHsv();
|
|
|
|
currentHue = (newHsv.h % 360) / 360;
|
|
currentSaturation = newHsv.s;
|
|
currentValue = newHsv.v;
|
|
currentAlpha = newHsv.a;
|
|
|
|
updateUI();
|
|
|
|
if (newColor.ok && !ignoreFormatChange) {
|
|
currentPreferredFormat = preferredFormat || newColor.format;
|
|
}
|
|
}
|
|
|
|
function get(opts) {
|
|
opts = opts || { };
|
|
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) {
|
|
if (format === "hex" || format === "hex3" || format === "hex6" || format === "name") {
|
|
format = "rgb";
|
|
}
|
|
}
|
|
|
|
var realColor = get({ format: format }),
|
|
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);
|
|
alphaSliderInner.css("background", gradient);
|
|
}
|
|
}
|
|
|
|
|
|
// Update the text entry input as it changes happen
|
|
if (opts.showInput) {
|
|
textInput.val(realColor.toString(format));
|
|
}
|
|
|
|
if (opts.showPalette) {
|
|
drawPalette();
|
|
}
|
|
|
|
drawInitial();
|
|
}
|
|
|
|
function updateHelperLocations() {
|
|
var s = currentSaturation;
|
|
var v = currentValue;
|
|
|
|
// 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/2,
|
|
Math.min(dragWidth - dragHelperHeight/2, dragX - dragHelperHeight/2)
|
|
);
|
|
dragY = Math.max(
|
|
-dragHelperHeight/2,
|
|
Math.min(dragHeight - dragHelperHeight/2, dragY - dragHelperHeight/2)
|
|
);
|
|
dragHelper.css({
|
|
"top": dragY,
|
|
"left": dragX
|
|
});
|
|
|
|
var alphaX = currentAlpha * alphaWidth;
|
|
alphaSlideHelper.css({
|
|
"left": alphaX - (alphaSlideHelperWidth / 2)
|
|
});
|
|
|
|
// Where to show the bar that displays your current selected hue
|
|
var slideY = (currentHue) * slideHeight;
|
|
slideHelper.css({
|
|
"top": slideY - (slideHelperHeight/2)
|
|
});
|
|
}
|
|
|
|
function updateOriginalInput(fireCallback) {
|
|
var color = get();
|
|
|
|
if (isInput) {
|
|
boundElement.val(color.toString(currentPreferredFormat));
|
|
}
|
|
|
|
var hasChanged = !tinycolor.equals(color, colorOnShow);
|
|
colorOnShow = color;
|
|
|
|
// Update the selection palette with the current color
|
|
|
|
// Piskel-specific : commented-out, palette update is done on hide
|
|
// addColorToSelectionPalette(color);
|
|
|
|
if (fireCallback && hasChanged) {
|
|
callbacks.change(color);
|
|
boundElement.trigger('change', [ color ]);
|
|
}
|
|
}
|
|
|
|
function reflow() {
|
|
dragWidth = dragger.width();
|
|
dragHeight = dragger.height();
|
|
dragHelperHeight = dragHelper.height() + 4;
|
|
slideWidth = slider.width();
|
|
slideHeight = slider.height();
|
|
slideHelperHeight = slideHelper.height() + 4;
|
|
alphaWidth = alphaSlider.width();
|
|
alphaSlideHelperWidth = alphaSlideHelper.width();
|
|
|
|
if (!flat) {
|
|
container.css("position", "absolute");
|
|
container.offset(getOffset(container, offsetElement));
|
|
}
|
|
|
|
updateHelperLocations();
|
|
}
|
|
|
|
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;
|
|
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");
|
|
}
|
|
|
|
initialize();
|
|
|
|
var spect = {
|
|
show: show,
|
|
hide: hide,
|
|
toggle: toggle,
|
|
reflow: reflow,
|
|
option: option,
|
|
enable: enable,
|
|
disable: disable,
|
|
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;
|
|
|
|
if (Math.min(offset.left, (offset.left + dpWidth > viewWidth && viewWidth > dpWidth))) {
|
|
offset.left -= Math.abs(offset.left + dpWidth - viewWidth);
|
|
picker.attr('data-x-position','right');
|
|
} else {
|
|
offset.left -= 0;
|
|
picker.attr('data-x-position','left');
|
|
}
|
|
|
|
if (Math.min(offset.top, (offset.top + dpHeight > viewHeight && viewHeight > dpHeight))) {
|
|
offset.top -= Math.abs(dpHeight + inputHeight - extraY);
|
|
picker.attr('data-y-position','top');
|
|
} else {
|
|
offset.top -= extraY;
|
|
picker.attr('data-y-position','bottom');
|
|
}
|
|
|
|
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 = element.ownerDocument || 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 && document.documentMode < 9 && !e.button) {
|
|
return stop();
|
|
}
|
|
|
|
var touches = e.originalEvent.touches;
|
|
var pageX = touches ? touches[0].pageX : e.pageX;
|
|
var pageY = touches ? touches[0].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);
|
|
var touches = e.originalEvent.touches;
|
|
|
|
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");
|
|
|
|
if (!hasTouch) {
|
|
move(e);
|
|
}
|
|
|
|
prevent(e);
|
|
}
|
|
}
|
|
}
|
|
function stop() {
|
|
if (dragging) {
|
|
$(doc).unbind(duringDragEvents);
|
|
$(doc.body).removeClass("sp-dragging");
|
|
onstop.apply(element, arguments);
|
|
}
|
|
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 log(){/* jshint -W021 */if(window.console){if(Function.prototype.bind)log=Function.prototype.bind.call(console.log,console);else log=function(){Function.prototype.apply.call(console.log,console,arguments);};log.apply(this,arguments);}}
|
|
|
|
/**
|
|
* 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 spect = spectrum(this, opts);
|
|
$(this).data(dataID, spect.id);
|
|
});
|
|
};
|
|
|
|
$.fn.spectrum.load = true;
|
|
$.fn.spectrum.loadOpts = {};
|
|
$.fn.spectrum.draggable = draggable;
|
|
$.fn.spectrum.defaults = defaultOpts;
|
|
|
|
$.spectrum = { };
|
|
$.spectrum.localization = { };
|
|
$.spectrum.palettes = { };
|
|
|
|
$.fn.spectrum.processNativeColorInputs = function () {
|
|
var colorInput = $("<input type='color' value='!' />")[0];
|
|
var supportsColor = colorInput.type === "color" && colorInput.value != "!";
|
|
|
|
if (!supportsColor) {
|
|
$("input[type=color]").spectrum({
|
|
preferredFormat: "hex6"
|
|
});
|
|
}
|
|
};
|
|
|
|
// TinyColor v0.9.16
|
|
// https://github.com/bgrins/TinyColor
|
|
// 2013-08-10, Brian Grinstead, MIT License
|
|
|
|
(function() {
|
|
|
|
var trimLeft = /^[\s,#]+/,
|
|
trimRight = /\s+$/,
|
|
tinyCounter = 0,
|
|
math = Math,
|
|
mathRound = math.round,
|
|
mathMin = math.min,
|
|
mathMax = math.max,
|
|
mathRandom = math.random;
|
|
|
|
function tinycolor (color, opts) {
|
|
|
|
color = (color) ? color : '';
|
|
opts = opts || { };
|
|
|
|
// If input is already a tinycolor, return itself
|
|
if (typeof color == "object" && color.hasOwnProperty("_tc_id")) {
|
|
return color;
|
|
}
|
|
|
|
var rgb = inputToRGB(color);
|
|
var r = rgb.r,
|
|
g = rgb.g,
|
|
b = rgb.b,
|
|
a = rgb.a,
|
|
roundA = mathRound(100*a) / 100,
|
|
format = opts.format || rgb.format;
|
|
|
|
// 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 (r < 1) { r = mathRound(r); }
|
|
if (g < 1) { g = mathRound(g); }
|
|
if (b < 1) { b = mathRound(b); }
|
|
|
|
return {
|
|
ok: rgb.ok,
|
|
format: format,
|
|
_tc_id: tinyCounter++,
|
|
alpha: a,
|
|
getAlpha: function() {
|
|
return a;
|
|
},
|
|
setAlpha: function(value) {
|
|
a = boundAlpha(value);
|
|
roundA = mathRound(100*a) / 100;
|
|
},
|
|
toHsv: function() {
|
|
var hsv = rgbToHsv(r, g, b);
|
|
return { h: hsv.h * 360, s: hsv.s, v: hsv.v, a: a };
|
|
},
|
|
toHsvString: function() {
|
|
var hsv = rgbToHsv(r, g, b);
|
|
var h = mathRound(hsv.h * 360), s = mathRound(hsv.s * 100), v = mathRound(hsv.v * 100);
|
|
return (a == 1) ?
|
|
"hsv(" + h + ", " + s + "%, " + v + "%)" :
|
|
"hsva(" + h + ", " + s + "%, " + v + "%, "+ roundA + ")";
|
|
},
|
|
toHsl: function() {
|
|
var hsl = rgbToHsl(r, g, b);
|
|
return { h: hsl.h * 360, s: hsl.s, l: hsl.l, a: a };
|
|
},
|
|
toHslString: function() {
|
|
var hsl = rgbToHsl(r, g, b);
|
|
var h = mathRound(hsl.h * 360), s = mathRound(hsl.s * 100), l = mathRound(hsl.l * 100);
|
|
return (a == 1) ?
|
|
"hsl(" + h + ", " + s + "%, " + l + "%)" :
|
|
"hsla(" + h + ", " + s + "%, " + l + "%, "+ roundA + ")";
|
|
},
|
|
toHex: function(allow3Char) {
|
|
return rgbToHex(r, g, b, allow3Char);
|
|
},
|
|
toHexString: function(allow3Char) {
|
|
return '#' + rgbToHex(r, g, b, allow3Char);
|
|
},
|
|
toRgb: function() {
|
|
return { r: mathRound(r), g: mathRound(g), b: mathRound(b), a: a };
|
|
},
|
|
toRgbString: function() {
|
|
return (a == 1) ?
|
|
"rgb(" + mathRound(r) + ", " + mathRound(g) + ", " + mathRound(b) + ")" :
|
|
"rgba(" + mathRound(r) + ", " + mathRound(g) + ", " + mathRound(b) + ", " + roundA + ")";
|
|
},
|
|
toPercentageRgb: function() {
|
|
return { r: mathRound(bound01(r, 255) * 100) + "%", g: mathRound(bound01(g, 255) * 100) + "%", b: mathRound(bound01(b, 255) * 100) + "%", a: a };
|
|
},
|
|
toPercentageRgbString: function() {
|
|
return (a == 1) ?
|
|
"rgb(" + mathRound(bound01(r, 255) * 100) + "%, " + mathRound(bound01(g, 255) * 100) + "%, " + mathRound(bound01(b, 255) * 100) + "%)" :
|
|
"rgba(" + mathRound(bound01(r, 255) * 100) + "%, " + mathRound(bound01(g, 255) * 100) + "%, " + mathRound(bound01(b, 255) * 100) + "%, " + roundA + ")";
|
|
},
|
|
toName: function() {
|
|
if (a === 0) {
|
|
return "transparent";
|
|
}
|
|
|
|
return hexNames[rgbToHex(r, g, b, true)] || false;
|
|
},
|
|
toFilter: function(secondColor) {
|
|
var hex = rgbToHex(r, g, b);
|
|
var secondHex = hex;
|
|
var alphaHex = Math.round(parseFloat(a) * 255).toString(16);
|
|
var secondAlphaHex = alphaHex;
|
|
var gradientType = opts && opts.gradientType ? "GradientType = 1, " : "";
|
|
|
|
if (secondColor) {
|
|
var s = tinycolor(secondColor);
|
|
secondHex = s.toHex();
|
|
secondAlphaHex = Math.round(parseFloat(s.alpha) * 255).toString(16);
|
|
}
|
|
|
|
return "progid:DXImageTransform.Microsoft.gradient("+gradientType+"startColorstr=#" + pad2(alphaHex) + hex + ",endColorstr=#" + pad2(secondAlphaHex) + secondHex + ")";
|
|
},
|
|
toString: function(format) {
|
|
var formatSet = !!format;
|
|
format = format || this.format;
|
|
|
|
var formattedString = false;
|
|
var hasAlphaAndFormatNotSet = !formatSet && a < 1 && a > 0;
|
|
var formatWithAlpha = hasAlphaAndFormatNotSet && (format === "hex" || format === "hex6" || format === "hex3" || format === "name");
|
|
|
|
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 === "name") {
|
|
formattedString = this.toName();
|
|
}
|
|
if (format === "hsl") {
|
|
formattedString = this.toHslString();
|
|
}
|
|
if (format === "hsv") {
|
|
formattedString = this.toHsvString();
|
|
}
|
|
|
|
if (formatWithAlpha) {
|
|
return this.toRgbString();
|
|
}
|
|
|
|
return formattedString || this.toHexString();
|
|
}
|
|
};
|
|
}
|
|
|
|
// 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"
|
|
// "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("");
|
|
}
|
|
|
|
// `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>
|
|
|
|
tinycolor.desaturate = function (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);
|
|
};
|
|
tinycolor.saturate = function (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);
|
|
};
|
|
tinycolor.greyscale = function(color) {
|
|
return tinycolor.desaturate(color, 100);
|
|
};
|
|
tinycolor.lighten = function(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);
|
|
};
|
|
tinycolor.darken = function (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);
|
|
};
|
|
tinycolor.complement = function(color) {
|
|
var hsl = tinycolor(color).toHsl();
|
|
hsl.h = (hsl.h + 180) % 360;
|
|
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>
|
|
|
|
tinycolor.triad = function(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 })
|
|
];
|
|
};
|
|
tinycolor.tetrad = function(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 })
|
|
];
|
|
};
|
|
tinycolor.splitcomplement = function(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})
|
|
];
|
|
};
|
|
tinycolor.analogous = function(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;
|
|
};
|
|
tinycolor.monochromatic = function(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;
|
|
};
|
|
|
|
|
|
// 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 a = tinycolor(color1).toRgb();
|
|
var b = tinycolor(color2).toRgb();
|
|
var brightnessA = (a.r * 299 + a.g * 587 + a.b * 114) / 1000;
|
|
var brightnessB = (b.r * 299 + b.g * 587 + b.b * 114) / 1000;
|
|
var colorDiff = (
|
|
Math.max(a.r, b.r) - Math.min(a.r, b.r) +
|
|
Math.max(a.g, b.g) - Math.min(a.g, b.g) +
|
|
Math.max(a.b, b.b) - Math.min(a.b, b.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.readable("#000", "#111") => false
|
|
tinycolor.readable = 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",
|
|
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 an integer into hex
|
|
function parseHex(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;
|
|
}
|
|
|
|
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),
|
|
hex3: /^([0-9a-fA-F]{1})([0-9a-fA-F]{1})([0-9a-fA-F]{1})$/,
|
|
hex6: /^([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})$/
|
|
};
|
|
})();
|
|
|
|
// `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.hex6.exec(color))) {
|
|
return {
|
|
r: parseHex(match[1]),
|
|
g: parseHex(match[2]),
|
|
b: parseHex(match[3]),
|
|
format: named ? "name" : "hex"
|
|
};
|
|
}
|
|
if ((match = matchers.hex3.exec(color))) {
|
|
return {
|
|
r: parseHex(match[1] + '' + match[1]),
|
|
g: parseHex(match[2] + '' + match[2]),
|
|
b: parseHex(match[3] + '' + match[3]),
|
|
format: named ? "name" : "hex"
|
|
};
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
// Expose tinycolor to window, does not need to run in non-browser context.
|
|
window.tinycolor = tinycolor;
|
|
|
|
})();
|
|
var tinycolor = window.tinycolor;
|
|
|
|
$(function () {
|
|
if ($.fn.spectrum.load) {
|
|
$.fn.spectrum.processNativeColorInputs();
|
|
}
|
|
});
|
|
|
|
})(window, jQuery);
|