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2080 lines
70 KiB
2080 lines
70 KiB
// Spectrum Colorpicker v1.3.4 |
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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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|
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(function (window, $, undefined) { |
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var defaultOpts = { |
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|
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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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|
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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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allowEmpty: 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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clearText: "Clear Color Selection", |
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preferredFormat: false, |
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className: "", // Deprecated - use containerClassName and replacerClassName instead. |
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containerClassName: "", |
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replacerClassName: "", |
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showAlpha: false, |
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theme: "sp-light", |
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palette: [["#ffffff", "#000000", "#ff0000", "#ff8000", "#ffff00", "#008000", "#0000ff", "#4b0082", "#9400d3"]], |
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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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|
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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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inputTypeColorSupport = (function() { |
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var colorInput = $("<input type='color' value='!' />")[0]; |
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return colorInput.type === "color" && colorInput.value !== "!"; |
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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-clear sp-clear-display'>", |
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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 type='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, tooltipFormat) { |
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var html = []; |
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for (var i = 0; i < p.length; i++) { |
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var current = p[i]; |
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if(current) { |
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var tiny = tinycolor(current); |
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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, current)) ? " sp-thumb-active" : ""; |
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var formattedString = tiny.toString(tooltipFormat || "rgb"); |
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var swatchStyle = rgbaSupport ? ("background-color:" + tiny.toRgbString()) : "filter:" + tiny.toFilter(); |
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html.push('<span title="' + formattedString + '" data-color="' + tiny.toRgbString() + '" class="' + c + '"><span class="sp-thumb-inner" style="' + swatchStyle + ';" /></span>'); |
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} else { |
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var cls = 'sp-clear-display'; |
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html.push('<span title="No Color Selected" data-color="" style="background-color:transparent;" class="' + cls + '"></span>'); |
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} |
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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 = [], |
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paletteArray = [], |
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paletteLookup = {}, |
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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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clearButton = container.find(".sp-clear"), |
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chooseButton = container.find(".sp-choose"), |
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isInput = boundElement.is("input"), |
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isInputTypeColor = isInput && inputTypeColorSupport && boundElement.attr("type") === "color", |
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shouldReplace = isInput && !flat, |
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replacer = (shouldReplace) ? $(replaceInput).addClass(theme).addClass(opts.className).addClass(opts.replacerClassName) : $([]), |
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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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isEmpty = !initialColor, |
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allowEmpty = opts.allowEmpty && !isInputTypeColor; |
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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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if (opts.palette) { |
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palette = opts.palette.slice(0); |
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paletteArray = $.isArray(palette[0]) ? palette : [palette]; |
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paletteLookup = {}; |
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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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var 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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} |
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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-clear-enabled", allowEmpty); |
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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).addClass(opts.containerClassName); |
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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 (!allowEmpty) { |
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clearButton.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 = $("body"); |
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} |
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appendTo.append(container); |
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} |
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updateSelectionPaletteFromStorage(); |
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offsetElement.bind("click.spectrum touchstart.spectrum", function (e) { |
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if (!disabled) { |
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toggle(); |
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} |
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e.stopPropagation(); |
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if (!$(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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clearButton.attr("title", opts.clearText); |
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clearButton.bind("click.spectrum", function (e) { |
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e.stopPropagation(); |
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e.preventDefault(); |
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isEmpty = true; |
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move(); |
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if(flat) { |
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//for the flat style, this is a change event |
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updateOriginalInput(true); |
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} |
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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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isEmpty = false; |
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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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}, dragStart, dragStop); |
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draggable(slider, function (dragX, dragY) { |
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currentHue = parseFloat(dragY / slideHeight); |
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isEmpty = false; |
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if (!opts.showAlpha) { |
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currentAlpha = 1; |
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} |
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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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isEmpty = false; |
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if (!opts.showAlpha) { |
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currentAlpha = 1; |
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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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move(); |
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updateOriginalInput(true); |
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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 updateSelectionPaletteFromStorage() { |
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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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} |
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function addColorToSelectionPalette(color) { |
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if (showSelectionPalette) { |
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var rgb = tinycolor(color).toRgbString(); |
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if (!paletteLookup[rgb] && $.inArray(rgb, selectionPalette) === -1) { |
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selectionPalette.push(rgb); |
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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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|
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function getUniqueSelectionPalette() { |
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var unique = []; |
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if (opts.showPalette) { |
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for (i = 0; i < selectionPalette.length; i++) { |
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var rgb = tinycolor(selectionPalette[i]).toRgbString(); |
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if (!paletteLookup[rgb]) { |
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unique.push(selectionPalette[i]); |
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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, opts.preferredFormat); |
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}); |
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updateSelectionPaletteFromStorage(); |
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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", opts.preferredFormat)); |
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} |
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paletteContainer.html(html.join("")); |
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} |
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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", opts.preferredFormat)); |
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} |
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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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boundElement.trigger('dragstart.spectrum', [ get() ]); |
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} |
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|
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function dragStop() { |
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container.removeClass(draggingClass); |
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boundElement.trigger('dragstop.spectrum', [ get() ]); |
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} |
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|
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function setFromTextInput() { |
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|
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var value = textInput.val(); |
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|
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if ((value === null || value === "") && allowEmpty) { |
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set(null); |
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updateOriginalInput(true); |
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} |
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else { |
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var tiny = tinycolor(value); |
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if (tiny.ok) { |
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set(tiny); |
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updateOriginalInput(true); |
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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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} |
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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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|
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function show() { |
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var event = $.Event('beforeShow.spectrum'); |
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|
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if (visible) { |
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reflow(); |
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return; |
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} |
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|
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boundElement.trigger(event, [ get() ]); |
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|
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if (callbacks.beforeShow(get()) === false || event.isDefaultPrevented()) { |
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return; |
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} |
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|
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hideAll(); |
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visible = true; |
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|
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$(doc).bind("click.spectrum", hide); |
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$(window).bind("resize.spectrum", resize); |
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replacer.addClass("sp-active"); |
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container.removeClass("sp-hidden"); |
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|
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reflow(); |
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updateUI(); |
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|
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colorOnShow = get(); |
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|
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drawInitial(); |
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callbacks.show(colorOnShow); |
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boundElement.trigger('show.spectrum', [ colorOnShow ]); |
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} |
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|
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function hide(e) { |
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|
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// Return on right click |
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if (e && e.type == "click" && e.button == 2) { return; } |
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|
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// Return if hiding is unnecessary |
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if (!visible || flat) { return; } |
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visible = false; |
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|
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$(doc).unbind("click.spectrum", hide); |
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$(window).unbind("resize.spectrum", resize); |
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|
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replacer.removeClass("sp-active"); |
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container.addClass("sp-hidden"); |
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|
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var colorHasChanged = !tinycolor.equals(get(), colorOnShow); |
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|
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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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callbacks.hide(get()); |
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boundElement.trigger('hide.spectrum', [ get() ]); |
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} |
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|
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function revert() { |
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set(colorOnShow, true); |
|
} |
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|
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function set(color, ignoreFormatChange) { |
|
if (tinycolor.equals(color, get())) { |
|
// Update UI just in case a validation error needs |
|
// to be cleared. |
|
updateUI(); |
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return; |
|
} |
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|
|
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.ok && !ignoreFormatChange) { |
|
currentPreferredFormat = preferredFormat || newColor.format; |
|
} |
|
} |
|
|
|
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); |
|
} |
|
|
|
colorOnShow = color; |
|
|
|
if (fireCallback && hasChanged) { |
|
callbacks.change(color); |
|
boundElement.trigger('change', [ color ]); |
|
} |
|
} |
|
|
|
function reflow() { |
|
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"); |
|
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; |
|
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; |
|
|
|
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 = 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 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; |
|
|
|
$.spectrum = { }; |
|
$.spectrum.localization = { }; |
|
$.spectrum.palettes = { }; |
|
|
|
$.fn.spectrum.processNativeColorInputs = function () { |
|
if (!inputTypeColorSupport) { |
|
$("input[type=color]").spectrum({ |
|
preferredFormat: "hex6" |
|
}); |
|
} |
|
}; |
|
|
|
// TinyColor v0.9.17 |
|
// https://github.com/bgrins/TinyColor |
|
// 2013-08-10, Brian Grinstead, MIT License |
|
|
|
(function() { |
|
|
|
var trimLeft = /^[\s,#]+/, |
|
trimRight = /\s+$/, |
|
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 '#' + this.toHex(allow3Char); |
|
}, |
|
toHex8: function() { |
|
return rgbaToHex(r, g, b, a); |
|
}, |
|
toHex8String: function() { |
|
return '#' + this.toHex8(); |
|
}, |
|
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 hex8String = '#' + rgbaToHex(r, g, b, a); |
|
var secondHex8String = hex8String; |
|
var gradientType = opts && opts.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 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 === "hex8") { |
|
formattedString = this.toHex8String(); |
|
} |
|
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" |
|
// "#ff000000" or "ff000000" |
|
// "rgb 255 0 0" or "rgb (255, 0, 0)" |
|
// "rgb 1.0 0 0" or "rgb (1, 0, 0)" |
|
// "rgba (255, 0, 0, 1)" or "rgba 255, 0, 0, 1" |
|
// "rgba (1.0, 0, 0, 1)" or "rgba 1.0, 0, 0, 1" |
|
// "hsl(0, 100%, 50%)" or "hsl 0 100% 50%" |
|
// "hsla(0, 100%, 50%, 1)" or "hsla 0 100% 50%, 1" |
|
// "hsv(0, 100%, 100%)" or "hsv 0 100% 100%" |
|
// |
|
function inputToRGB(color) { |
|
|
|
var rgb = { r: 0, g: 0, b: 0 }; |
|
var a = 1; |
|
var ok = false; |
|
var format = false; |
|
|
|
if (typeof color == "string") { |
|
color = stringInputToObject(color); |
|
} |
|
|
|
if (typeof color == "object") { |
|
if (color.hasOwnProperty("r") && color.hasOwnProperty("g") && color.hasOwnProperty("b")) { |
|
rgb = rgbToRgb(color.r, color.g, color.b); |
|
ok = true; |
|
format = String(color.r).substr(-1) === "%" ? "prgb" : "rgb"; |
|
} |
|
else if (color.hasOwnProperty("h") && color.hasOwnProperty("s") && color.hasOwnProperty("v")) { |
|
color.s = convertToPercentage(color.s); |
|
color.v = convertToPercentage(color.v); |
|
rgb = hsvToRgb(color.h, color.s, color.v); |
|
ok = true; |
|
format = "hsv"; |
|
} |
|
else if (color.hasOwnProperty("h") && color.hasOwnProperty("s") && color.hasOwnProperty("l")) { |
|
color.s = convertToPercentage(color.s); |
|
color.l = convertToPercentage(color.l); |
|
rgb = hslToRgb(color.h, color.s, color.l); |
|
ok = true; |
|
format = "hsl"; |
|
} |
|
|
|
if (color.hasOwnProperty("a")) { |
|
a = color.a; |
|
} |
|
} |
|
|
|
a = boundAlpha(a); |
|
|
|
return { |
|
ok: ok, |
|
format: color.format || format, |
|
r: mathMin(255, mathMax(rgb.r, 0)), |
|
g: mathMin(255, mathMax(rgb.g, 0)), |
|
b: mathMin(255, mathMax(rgb.b, 0)), |
|
a: a |
|
}; |
|
} |
|
|
|
|
|
// Conversion Functions |
|
// -------------------- |
|
|
|
// `rgbToHsl`, `rgbToHsv`, `hslToRgb`, `hsvToRgb` modified from: |
|
// <http://mjijackson.com/2008/02/rgb-to-hsl-and-rgb-to-hsv-color-model-conversion-algorithms-in-javascript> |
|
|
|
// `rgbToRgb` |
|
// Handle bounds / percentage checking to conform to CSS color spec |
|
// <http://www.w3.org/TR/css3-color/> |
|
// *Assumes:* r, g, b in [0, 255] or [0, 1] |
|
// *Returns:* { r, g, b } in [0, 255] |
|
function rgbToRgb(r, g, b){ |
|
return { |
|
r: bound01(r, 255) * 255, |
|
g: bound01(g, 255) * 255, |
|
b: bound01(b, 255) * 255 |
|
}; |
|
} |
|
|
|
// `rgbToHsl` |
|
// Converts an RGB color value to HSL. |
|
// *Assumes:* r, g, and b are contained in [0, 255] or [0, 1] |
|
// *Returns:* { h, s, l } in [0,1] |
|
function rgbToHsl(r, g, b) { |
|
|
|
r = bound01(r, 255); |
|
g = bound01(g, 255); |
|
b = bound01(b, 255); |
|
|
|
var max = mathMax(r, g, b), min = mathMin(r, g, b); |
|
var h, s, l = (max + min) / 2; |
|
|
|
if(max == min) { |
|
h = s = 0; // achromatic |
|
} |
|
else { |
|
var d = max - min; |
|
s = l > 0.5 ? d / (2 - max - min) : d / (max + min); |
|
switch(max) { |
|
case r: h = (g - b) / d + (g < b ? 6 : 0); break; |
|
case g: h = (b - r) / d + 2; break; |
|
case b: h = (r - g) / d + 4; break; |
|
} |
|
|
|
h /= 6; |
|
} |
|
|
|
return { h: h, s: s, l: l }; |
|
} |
|
|
|
// `hslToRgb` |
|
// Converts an HSL color value to RGB. |
|
// *Assumes:* h is contained in [0, 1] or [0, 360] and s and l are contained [0, 1] or [0, 100] |
|
// *Returns:* { r, g, b } in the set [0, 255] |
|
function hslToRgb(h, s, l) { |
|
var r, g, b; |
|
|
|
h = bound01(h, 360); |
|
s = bound01(s, 100); |
|
l = bound01(l, 100); |
|
|
|
function hue2rgb(p, q, t) { |
|
if(t < 0) t += 1; |
|
if(t > 1) t -= 1; |
|
if(t < 1/6) return p + (q - p) * 6 * t; |
|
if(t < 1/2) return q; |
|
if(t < 2/3) return p + (q - p) * (2/3 - t) * 6; |
|
return p; |
|
} |
|
|
|
if(s === 0) { |
|
r = g = b = l; // achromatic |
|
} |
|
else { |
|
var q = l < 0.5 ? l * (1 + s) : l + s - l * s; |
|
var p = 2 * l - q; |
|
r = hue2rgb(p, q, h + 1/3); |
|
g = hue2rgb(p, q, h); |
|
b = hue2rgb(p, q, h - 1/3); |
|
} |
|
|
|
return { r: r * 255, g: g * 255, b: b * 255 }; |
|
} |
|
|
|
// `rgbToHsv` |
|
// Converts an RGB color value to HSV |
|
// *Assumes:* r, g, and b are contained in the set [0, 255] or [0, 1] |
|
// *Returns:* { h, s, v } in [0,1] |
|
function rgbToHsv(r, g, b) { |
|
|
|
r = bound01(r, 255); |
|
g = bound01(g, 255); |
|
b = bound01(b, 255); |
|
|
|
var max = mathMax(r, g, b), min = mathMin(r, g, b); |
|
var h, s, v = max; |
|
|
|
var d = max - min; |
|
s = max === 0 ? 0 : d / max; |
|
|
|
if(max == min) { |
|
h = 0; // achromatic |
|
} |
|
else { |
|
switch(max) { |
|
case r: h = (g - b) / d + (g < b ? 6 : 0); break; |
|
case g: h = (b - r) / d + 2; break; |
|
case b: h = (r - g) / d + 4; break; |
|
} |
|
h /= 6; |
|
} |
|
return { h: h, s: s, v: v }; |
|
} |
|
|
|
// `hsvToRgb` |
|
// Converts an HSV color value to RGB. |
|
// *Assumes:* h is contained in [0, 1] or [0, 360] and s and v are contained in [0, 1] or [0, 100] |
|
// *Returns:* { r, g, b } in the set [0, 255] |
|
function hsvToRgb(h, s, v) { |
|
|
|
h = bound01(h, 360) * 6; |
|
s = bound01(s, 100); |
|
v = bound01(v, 100); |
|
|
|
var i = math.floor(h), |
|
f = h - i, |
|
p = v * (1 - s), |
|
q = v * (1 - f * s), |
|
t = v * (1 - (1 - f) * s), |
|
mod = i % 6, |
|
r = [v, q, p, p, t, v][mod], |
|
g = [t, v, v, q, p, p][mod], |
|
b = [p, p, t, v, v, q][mod]; |
|
|
|
return { r: r * 255, g: g * 255, b: b * 255 }; |
|
} |
|
|
|
// `rgbToHex` |
|
// Converts an RGB color to hex |
|
// Assumes r, g, and b are contained in the set [0, 255] |
|
// Returns a 3 or 6 character hex |
|
function rgbToHex(r, g, b, allow3Char) { |
|
|
|
var hex = [ |
|
pad2(mathRound(r).toString(16)), |
|
pad2(mathRound(g).toString(16)), |
|
pad2(mathRound(b).toString(16)) |
|
]; |
|
|
|
// Return a 3 character hex if possible |
|
if (allow3Char && hex[0].charAt(0) == hex[0].charAt(1) && hex[1].charAt(0) == hex[1].charAt(1) && hex[2].charAt(0) == hex[2].charAt(1)) { |
|
return hex[0].charAt(0) + hex[1].charAt(0) + hex[2].charAt(0); |
|
} |
|
|
|
return hex.join(""); |
|
} |
|
// `rgbaToHex` |
|
// Converts an RGBA color plus alpha transparency to hex |
|
// Assumes r, g, b and a are contained in the set [0, 255] |
|
// Returns an 8 character hex |
|
function rgbaToHex(r, g, b, a) { |
|
|
|
var hex = [ |
|
pad2(convertDecimalToHex(a)), |
|
pad2(mathRound(r).toString(16)), |
|
pad2(mathRound(g).toString(16)), |
|
pad2(mathRound(b).toString(16)) |
|
]; |
|
|
|
return hex.join(""); |
|
} |
|
|
|
// `equals` |
|
// Can be called with any tinycolor input |
|
tinycolor.equals = function (color1, color2) { |
|
if (!color1 || !color2) { return false; } |
|
return tinycolor(color1).toRgbString() == tinycolor(color2).toRgbString(); |
|
}; |
|
tinycolor.random = function() { |
|
return tinycolor.fromRatio({ |
|
r: mathRandom(), |
|
g: mathRandom(), |
|
b: mathRandom() |
|
}); |
|
}; |
|
|
|
|
|
// Modification Functions |
|
// ---------------------- |
|
// Thanks to less.js for some of the basics here |
|
// <https://github.com/cloudhead/less.js/blob/master/lib/less/functions.js> |
|
|
|
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 a base-16 hex value into a base-10 integer |
|
function parseIntFromHex(val) { |
|
return parseInt(val, 16); |
|
} |
|
|
|
// Need to handle 1.0 as 100%, since once it is a number, there is no difference between it and 1 |
|
// <http://stackoverflow.com/questions/7422072/javascript-how-to-detect-number-as-a-decimal-including-1-0> |
|
function isOnePointZero(n) { |
|
return typeof n == "string" && n.indexOf('.') != -1 && parseFloat(n) === 1; |
|
} |
|
|
|
// Check to see if string passed in is a percentage |
|
function isPercentage(n) { |
|
return typeof n === "string" && n.indexOf('%') != -1; |
|
} |
|
|
|
// Force a hex value to have 2 characters |
|
function pad2(c) { |
|
return c.length == 1 ? '0' + c : '' + c; |
|
} |
|
|
|
// Replace a decimal with it's percentage value |
|
function convertToPercentage(n) { |
|
if (n <= 1) { |
|
n = (n * 100) + "%"; |
|
} |
|
|
|
return n; |
|
} |
|
|
|
// Converts a decimal to a hex value |
|
function convertDecimalToHex(d) { |
|
return Math.round(parseFloat(d) * 255).toString(16); |
|
} |
|
// Converts a hex value to a decimal |
|
function convertHexToDecimal(h) { |
|
return (parseIntFromHex(h) / 255); |
|
} |
|
|
|
var matchers = (function() { |
|
|
|
// <http://www.w3.org/TR/css3-values/#integers> |
|
var CSS_INTEGER = "[-\\+]?\\d+%?"; |
|
|
|
// <http://www.w3.org/TR/css3-values/#number-value> |
|
var CSS_NUMBER = "[-\\+]?\\d*\\.\\d+%?"; |
|
|
|
// Allow positive/negative integer/number. Don't capture the either/or, just the entire outcome. |
|
var CSS_UNIT = "(?:" + CSS_NUMBER + ")|(?:" + CSS_INTEGER + ")"; |
|
|
|
// Actual matching. |
|
// Parentheses and commas are optional, but not required. |
|
// Whitespace can take the place of commas or opening paren |
|
var PERMISSIVE_MATCH3 = "[\\s|\\(]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")\\s*\\)?"; |
|
var PERMISSIVE_MATCH4 = "[\\s|\\(]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")\\s*\\)?"; |
|
|
|
return { |
|
rgb: new RegExp("rgb" + PERMISSIVE_MATCH3), |
|
rgba: new RegExp("rgba" + PERMISSIVE_MATCH4), |
|
hsl: new RegExp("hsl" + PERMISSIVE_MATCH3), |
|
hsla: new RegExp("hsla" + PERMISSIVE_MATCH4), |
|
hsv: new RegExp("hsv" + PERMISSIVE_MATCH3), |
|
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.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; |
|
} |
|
|
|
// Expose tinycolor to window, does not need to run in non-browser context. |
|
window.tinycolor = tinycolor; |
|
|
|
})(); |
|
|
|
|
|
$(function () { |
|
if ($.fn.spectrum.load) { |
|
$.fn.spectrum.processNativeColorInputs(); |
|
} |
|
}); |
|
|
|
})(window, jQuery);
|
|
|