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Submission: On March 10 via api from US — Scanned from US
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// Spectrum Colorpicker v1.8.0
// https://github.com/bgrins/spectrum
// Author: Brian Grinstead
// License: MIT
(function (factory) {
"use strict";
if (typeof define === 'function' && define.amd) { // AMD
define(['jquery'], factory);
}
else if (typeof exports == "object" && typeof module == "object") { // CommonJS
module.exports = factory(require('jquery'));
}
else { // Browser
factory(jQuery);
}
})(function($, undefined) {
"use strict";
var defaultOpts = {
// Callbacks
beforeShow: noop,
move: noop,
change: noop,
show: noop,
hide: noop,
// Options
color: false,
flat: false,
showInput: false,
allowEmpty: false,
showButtons: true,
clickoutFiresChange: true,
showInitial: false,
showPalette: false,
showPaletteOnly: false,
hideAfterPaletteSelect: false,
togglePaletteOnly: false,
showSelectionPalette: true,
localStorageKey: false,
appendTo: "body",
maxSelectionSize: 7,
cancelText: "cancel",
chooseText: "choose",
togglePaletteMoreText: "more",
togglePaletteLessText: "less",
clearText: "Clear Color Selection",
noColorSelectedText: "No Color Selected",
preferredFormat: false,
className: "", // Deprecated - use containerClassName and replacerClassName instead.
containerClassName: "",
replacerClassName: "",
showAlpha: false,
theme: "sp-light",
palette: [["#ffffff", "#000000", "#ff0000", "#ff8000", "#ffff00", "#008000", "#0000ff", "#4b0082", "#9400d3"]],
selectionPalette: [],
disabled: false,
offset: null
},
spectrums = [],
IE = !!/msie/i.exec( window.navigator.userAgent ),
rgbaSupport = (function() {
function contains( str, substr ) {
return !!~('' + str).indexOf(substr);
}
var elem = document.createElement('div');
var style = elem.style;
style.cssText = 'background-color:rgba(0,0,0,.5)';
return contains(style.backgroundColor, 'rgba') || contains(style.backgroundColor, 'hsla');
})(),
replaceInput = [
"<div class='sp-replacer'>",
"<div class='sp-preview'><div class='sp-preview-inner'></div></div>",
"<div class='sp-dd'>▼</div>",
"</div>"
].join(''),
markup = (function () {
// IE does not support gradients with multiple stops, so we need to simulate
// that for the rainbow slider with 8 divs that each have a single gradient
var gradientFix = "";
if (IE) {
for (var i = 1; i <= 6; i++) {
gradientFix += "<div class='sp-" + i + "'></div>";
}
}
return [
"<div class='sp-container sp-hidden'>",
"<div class='sp-palette-container'>",
"<div class='sp-palette sp-thumb sp-cf'></div>",
"<div class='sp-palette-button-container sp-cf'>",
"<button type='button' class='sp-palette-toggle'></button>",
"</div>",
"</div>",
"<div class='sp-picker-container'>",
"<div class='sp-top sp-cf'>",
"<div class='sp-fill'></div>",
"<div class='sp-top-inner'>",
"<div class='sp-color'>",
"<div class='sp-sat'>",
"<div class='sp-val'>",
"<div class='sp-dragger'></div>",
"</div>",
"</div>",
"</div>",
"<div class='sp-clear sp-clear-display'>",
"</div>",
"<div class='sp-hue'>",
"<div class='sp-slider'></div>",
gradientFix,
"</div>",
"</div>",
"<div class='sp-alpha'><div class='sp-alpha-inner'><div class='sp-alpha-handle'></div></div></div>",
"</div>",
"<div class='sp-input-container sp-cf'>",
"<input class='sp-input' type='text' spellcheck='false' />",
"</div>",
"<div class='sp-initial sp-thumb sp-cf'></div>",
"<div class='sp-button-container sp-cf'>",
"<a class='sp-cancel' href='#'></a>",
"<button type='button' class='sp-choose'></button>",
"</div>",
"</div>",
"</div>"
].join("");
})();
function paletteTemplate (p, color, className, opts) {
var html = [];
for (var i = 0; i < p.length; i++) {
var current = p[i];
if(current) {
var tiny = tinycolor(current);
var c = tiny.toHsl().l < 0.5 ? "sp-thumb-el sp-thumb-dark" : "sp-thumb-el sp-thumb-light";
c += (tinycolor.equals(color, current)) ? " sp-thumb-active" : "";
var formattedString = tiny.toString(opts.preferredFormat || "rgb");
var swatchStyle = rgbaSupport ? ("background-color:" + tiny.toRgbString()) : "filter:" + tiny.toFilter();
html.push('<span title="' + formattedString + '" data-color="' + tiny.toRgbString() + '" class="' + c + '"><span class="sp-thumb-inner" style="' + swatchStyle + ';" /></span>');
} else {
var cls = 'sp-clear-display';
html.push($('<div />')
.append($('<span data-color="" style="background-color:transparent;" class="' + cls + '"></span>')
.attr('title', opts.noColorSelectedText)
)
.html()
);
}
}
return "<div class='sp-cf " + className + "'>" + html.join('') + "</div>";
}
function hideAll() {
for (var i = 0; i < spectrums.length; i++) {
if (spectrums[i]) {
spectrums[i].hide();
}
}
}
function instanceOptions(o, callbackContext) {
var opts = $.extend({}, defaultOpts, o);
opts.callbacks = {
'move': bind(opts.move, callbackContext),
'change': bind(opts.change, callbackContext),
'show': bind(opts.show, callbackContext),
'hide': bind(opts.hide, callbackContext),
'beforeShow': bind(opts.beforeShow, callbackContext)
};
return opts;
}
function spectrum(element, o) {
var opts = instanceOptions(o, element),
flat = opts.flat,
showSelectionPalette = opts.showSelectionPalette,
localStorageKey = opts.localStorageKey,
theme = opts.theme,
callbacks = opts.callbacks,
resize = throttle(reflow, 10),
visible = false,
isDragging = false,
dragWidth = 0,
dragHeight = 0,
dragHelperHeight = 0,
slideHeight = 0,
slideWidth = 0,
alphaWidth = 0,
alphaSlideHelperWidth = 0,
slideHelperHeight = 0,
currentHue = 0,
currentSaturation = 0,
currentValue = 0,
currentAlpha = 1,
palette = [],
paletteArray = [],
paletteLookup = {},
selectionPalette = opts.selectionPalette.slice(0),
maxSelectionSize = opts.maxSelectionSize,
draggingClass = "sp-dragging",
shiftMovementDirection = null;
var doc = element.ownerDocument,
body = doc.body,
boundElement = $(element),
disabled = false,
container = $(markup, doc).addClass(theme),
pickerContainer = container.find(".sp-picker-container"),
dragger = container.find(".sp-color"),
dragHelper = container.find(".sp-dragger"),
slider = container.find(".sp-hue"),
slideHelper = container.find(".sp-slider"),
alphaSliderInner = container.find(".sp-alpha-inner"),
alphaSlider = container.find(".sp-alpha"),
alphaSlideHelper = container.find(".sp-alpha-handle"),
textInput = container.find(".sp-input"),
paletteContainer = container.find(".sp-palette"),
initialColorContainer = container.find(".sp-initial"),
cancelButton = container.find(".sp-cancel"),
clearButton = container.find(".sp-clear"),
chooseButton = container.find(".sp-choose"),
toggleButton = container.find(".sp-palette-toggle"),
isInput = boundElement.is("input"),
isInputTypeColor = isInput && boundElement.attr("type") === "color" && inputTypeColorSupport(),
shouldReplace = isInput && !flat,
replacer = (shouldReplace) ? $(replaceInput).addClass(theme).addClass(opts.className).addClass(opts.replacerClassName) : $([]),
offsetElement = (shouldReplace) ? replacer : boundElement,
previewElement = replacer.find(".sp-preview-inner"),
initialColor = opts.color || (isInput && boundElement.val()),
colorOnShow = false,
currentPreferredFormat = opts.preferredFormat,
clickoutFiresChange = !opts.showButtons || opts.clickoutFiresChange,
isEmpty = !initialColor,
allowEmpty = opts.allowEmpty && !isInputTypeColor;
function applyOptions() {
if (opts.showPaletteOnly) {
opts.showPalette = true;
}
toggleButton.text(opts.showPaletteOnly ? opts.togglePaletteMoreText : opts.togglePaletteLessText);
if (opts.palette) {
palette = opts.palette.slice(0);
paletteArray = $.isArray(palette[0]) ? palette : [palette];
paletteLookup = {};
for (var i = 0; i < paletteArray.length; i++) {
for (var j = 0; j < paletteArray[i].length; j++) {
var rgb = tinycolor(paletteArray[i][j]).toRgbString();
paletteLookup[rgb] = true;
}
}
}
container.toggleClass("sp-flat", flat);
container.toggleClass("sp-input-disabled", !opts.showInput);
container.toggleClass("sp-alpha-enabled", opts.showAlpha);
container.toggleClass("sp-clear-enabled", allowEmpty);
container.toggleClass("sp-buttons-disabled", !opts.showButtons);
container.toggleClass("sp-palette-buttons-disabled", !opts.togglePaletteOnly);
container.toggleClass("sp-palette-disabled", !opts.showPalette);
container.toggleClass("sp-palette-only", opts.showPaletteOnly);
container.toggleClass("sp-initial-disabled", !opts.showInitial);
container.addClass(opts.className).addClass(opts.containerClassName);
reflow();
}
function initialize() {
if (IE) {
container.find("*:not(input)").attr("unselectable", "on");
}
applyOptions();
if (shouldReplace) {
boundElement.after(replacer).hide();
}
if (!allowEmpty) {
clearButton.hide();
}
if (flat) {
boundElement.after(container).hide();
}
else {
var appendTo = opts.appendTo === "parent" ? boundElement.parent() : $(opts.appendTo);
if (appendTo.length !== 1) {
appendTo = $("body");
}
appendTo.append(container);
}
updateSelectionPaletteFromStorage();
offsetElement.bind("click.spectrum touchstart.spectrum", function (e) {
if (!disabled) {
toggle();
}
e.stopPropagation();
if (!$(e.target).is("input")) {
e.preventDefault();
}
});
if(boundElement.is(":disabled") || (opts.disabled === true)) {
disable();
}
// Prevent clicks from bubbling up to document. This would cause it to be hidden.
container.click(stopPropagation);
// Handle user typed input
textInput.change(setFromTextInput);
textInput.bind("paste", function () {
setTimeout(setFromTextInput, 1);
});
textInput.keydown(function (e) { if (e.keyCode == 13) { setFromTextInput(); } });
cancelButton.text(opts.cancelText);
cancelButton.bind("click.spectrum", function (e) {
e.stopPropagation();
e.preventDefault();
revert();
hide();
});
clearButton.attr("title", opts.clearText);
clearButton.bind("click.spectrum", function (e) {
e.stopPropagation();
e.preventDefault();
isEmpty = true;
move();
if(flat) {
//for the flat style, this is a change event
updateOriginalInput(true);
}
});
chooseButton.text(opts.chooseText);
chooseButton.bind("click.spectrum", function (e) {
e.stopPropagation();
e.preventDefault();
if (IE && textInput.is(":focus")) {
textInput.trigger('change');
}
if (isValid()) {
updateOriginalInput(true);
hide();
}
});
toggleButton.text(opts.showPaletteOnly ? opts.togglePaletteMoreText : opts.togglePaletteLessText);
toggleButton.bind("click.spectrum", function (e) {
e.stopPropagation();
e.preventDefault();
opts.showPaletteOnly = !opts.showPaletteOnly;
// To make sure the Picker area is drawn on the right, next to the
// Palette area (and not below the palette), first move the Palette
// to the left to make space for the picker, plus 5px extra.
// The 'applyOptions' function puts the whole container back into place
// and takes care of the button-text and the sp-palette-only CSS class.
if (!opts.showPaletteOnly && !flat) {
container.css('left', '-=' + (pickerContainer.outerWidth(true) + 5));
}
applyOptions();
});
draggable(alphaSlider, function (dragX, dragY, e) {
currentAlpha = (dragX / alphaWidth);
isEmpty = false;
if (e.shiftKey) {
currentAlpha = Math.round(currentAlpha * 10) / 10;
}
move();
}, dragStart, dragStop);
draggable(slider, function (dragX, dragY) {
currentHue = parseFloat(dragY / slideHeight);
isEmpty = false;
if (!opts.showAlpha) {
currentAlpha = 1;
}
move();
}, dragStart, dragStop);
draggable(dragger, function (dragX, dragY, e) {
// shift+drag should snap the movement to either the x or y axis.
if (!e.shiftKey) {
shiftMovementDirection = null;
}
else if (!shiftMovementDirection) {
var oldDragX = currentSaturation * dragWidth;
var oldDragY = dragHeight - (currentValue * dragHeight);
var furtherFromX = Math.abs(dragX - oldDragX) > Math.abs(dragY - oldDragY);
shiftMovementDirection = furtherFromX ? "x" : "y";
}
var setSaturation = !shiftMovementDirection || shiftMovementDirection === "x";
var setValue = !shiftMovementDirection || shiftMovementDirection === "y";
if (setSaturation) {
currentSaturation = parseFloat(dragX / dragWidth);
}
if (setValue) {
currentValue = parseFloat((dragHeight - dragY) / dragHeight);
}
isEmpty = false;
if (!opts.showAlpha) {
currentAlpha = 1;
}
move();
}, dragStart, dragStop);
if (!!initialColor) {
set(initialColor);
// In case color was black - update the preview UI and set the format
// since the set function will not run (default color is black).
updateUI();
currentPreferredFormat = opts.preferredFormat || tinycolor(initialColor).format;
addColorToSelectionPalette(initialColor);
}
else {
updateUI();
}
if (flat) {
show();
}
function paletteElementClick(e) {
if (e.data && e.data.ignore) {
set($(e.target).closest(".sp-thumb-el").data("color"));
move();
}
else {
set($(e.target).closest(".sp-thumb-el").data("color"));
move();
updateOriginalInput(true);
if (opts.hideAfterPaletteSelect) {
hide();
}
}
return false;
}
var paletteEvent = IE ? "mousedown.spectrum" : "click.spectrum touchstart.spectrum";
paletteContainer.delegate(".sp-thumb-el", paletteEvent, paletteElementClick);
initialColorContainer.delegate(".sp-thumb-el:nth-child(1)", paletteEvent, { ignore: true }, paletteElementClick);
}
function updateSelectionPaletteFromStorage() {
if (localStorageKey && window.localStorage) {
// Migrate old palettes over to new format. May want to remove this eventually.
try {
var oldPalette = window.localStorage[localStorageKey].split(",#");
if (oldPalette.length > 1) {
delete window.localStorage[localStorageKey];
$.each(oldPalette, function(i, c) {
addColorToSelectionPalette(c);
});
}
}
catch(e) { }
try {
selectionPalette = window.localStorage[localStorageKey].split(";");
}
catch (e) { }
}
}
function addColorToSelectionPalette(color) {
if (showSelectionPalette) {
var rgb = tinycolor(color).toRgbString();
if (!paletteLookup[rgb] && $.inArray(rgb, selectionPalette) === -1) {
selectionPalette.push(rgb);
while(selectionPalette.length > maxSelectionSize) {
selectionPalette.shift();
}
}
if (localStorageKey && window.localStorage) {
try {
window.localStorage[localStorageKey] = selectionPalette.join(";");
}
catch(e) { }
}
}
}
function getUniqueSelectionPalette() {
var unique = [];
if (opts.showPalette) {
for (var i = 0; i < selectionPalette.length; i++) {
var rgb = tinycolor(selectionPalette[i]).toRgbString();
if (!paletteLookup[rgb]) {
unique.push(selectionPalette[i]);
}
}
}
return unique.reverse().slice(0, opts.maxSelectionSize);
}
function drawPalette() {
var currentColor = get();
var html = $.map(paletteArray, function (palette, i) {
return paletteTemplate(palette, currentColor, "sp-palette-row sp-palette-row-" + i, opts);
});
updateSelectionPaletteFromStorage();
if (selectionPalette) {
html.push(paletteTemplate(getUniqueSelectionPalette(), currentColor, "sp-palette-row sp-palette-row-selection", opts));
}
paletteContainer.html(html.join(""));
}
function drawInitial() {
if (opts.showInitial) {
var initial = colorOnShow;
var current = get();
initialColorContainer.html(paletteTemplate([initial, current], current, "sp-palette-row-initial", opts));
}
}
function dragStart() {
if (dragHeight <= 0 || dragWidth <= 0 || slideHeight <= 0) {
reflow();
}
isDragging = true;
container.addClass(draggingClass);
shiftMovementDirection = null;
boundElement.trigger('dragstart.spectrum', [ get() ]);
}
function dragStop() {
isDragging = false;
container.removeClass(draggingClass);
boundElement.trigger('dragstop.spectrum', [ get() ]);
}
function setFromTextInput() {
var value = textInput.val();
if ((value === null || value === "") && allowEmpty) {
set(null);
updateOriginalInput(true);
}
else {
var tiny = tinycolor(value);
if (tiny.isValid()) {
set(tiny);
updateOriginalInput(true);
}
else {
textInput.addClass("sp-validation-error");
}
}
}
function toggle() {
if (visible) {
hide();
}
else {
show();
}
}
function show() {
var event = $.Event('beforeShow.spectrum');
if (visible) {
reflow();
return;
}
boundElement.trigger(event, [ get() ]);
if (callbacks.beforeShow(get()) === false || event.isDefaultPrevented()) {
return;
}
hideAll();
visible = true;
$(doc).bind("keydown.spectrum", onkeydown);
$(doc).bind("click.spectrum", clickout);
$(window).bind("resize.spectrum", resize);
replacer.addClass("sp-active");
container.removeClass("sp-hidden");
reflow();
updateUI();
colorOnShow = get();
drawInitial();
callbacks.show(colorOnShow);
boundElement.trigger('show.spectrum', [ colorOnShow ]);
}
function onkeydown(e) {
// Close on ESC
if (e.keyCode === 27) {
hide();
}
}
function clickout(e) {
// Return on right click.
if (e.button == 2) { return; }
// If a drag event was happening during the mouseup, don't hide
// on click.
if (isDragging) { return; }
if (clickoutFiresChange) {
updateOriginalInput(true);
}
else {
revert();
}
hide();
}
function hide() {
// Return if hiding is unnecessary
if (!visible || flat) { return; }
visible = false;
$(doc).unbind("keydown.spectrum", onkeydown);
$(doc).unbind("click.spectrum", clickout);
$(window).unbind("resize.spectrum", resize);
replacer.removeClass("sp-active");
container.addClass("sp-hidden");
callbacks.hide(get());
boundElement.trigger('hide.spectrum', [ get() ]);
}
function revert() {
set(colorOnShow, true);
}
function set(color, ignoreFormatChange) {
if (tinycolor.equals(color, get())) {
// Update UI just in case a validation error needs
// to be cleared.
updateUI();
return;
}
var newColor, newHsv;
if (!color && allowEmpty) {
isEmpty = true;
} else {
isEmpty = false;
newColor = tinycolor(color);
newHsv = newColor.toHsv();
currentHue = (newHsv.h % 360) / 360;
currentSaturation = newHsv.s;
currentValue = newHsv.v;
currentAlpha = newHsv.a;
}
updateUI();
if (newColor && newColor.isValid() && !ignoreFormatChange) {
currentPreferredFormat = opts.preferredFormat || newColor.getFormat();
}
}
function get(opts) {
opts = opts || { };
if (allowEmpty && isEmpty) {
return null;
}
return tinycolor.fromRatio({
h: currentHue,
s: currentSaturation,
v: currentValue,
a: Math.round(currentAlpha * 100) / 100
}, { format: opts.format || currentPreferredFormat });
}
function isValid() {
return !textInput.hasClass("sp-validation-error");
}
function move() {
updateUI();
callbacks.move(get());
boundElement.trigger('move.spectrum', [ get() ]);
}
function updateUI() {
textInput.removeClass("sp-validation-error");
updateHelperLocations();
// Update dragger background color (gradients take care of saturation and value).
var flatColor = tinycolor.fromRatio({ h: currentHue, s: 1, v: 1 });
dragger.css("background-color", flatColor.toHexString());
// Get a format that alpha will be included in (hex and names ignore alpha)
var format = currentPreferredFormat;
if (currentAlpha < 1 && !(currentAlpha === 0 && format === "name")) {
if (format === "hex" || format === "hex3" || format === "hex6" || format === "name") {
format = "rgb";
}
}
var realColor = get({ format: format }),
displayColor = '';
//reset background info for preview element
previewElement.removeClass("sp-clear-display");
previewElement.css('background-color', 'transparent');
if (!realColor && allowEmpty) {
// Update the replaced elements background with icon indicating no color selection
previewElement.addClass("sp-clear-display");
}
else {
var realHex = realColor.toHexString(),
realRgb = realColor.toRgbString();
// Update the replaced elements background color (with actual selected color)
if (rgbaSupport || realColor.alpha === 1) {
previewElement.css("background-color", realRgb);
}
else {
previewElement.css("background-color", "transparent");
previewElement.css("filter", realColor.toFilter());
}
if (opts.showAlpha) {
var rgb = realColor.toRgb();
rgb.a = 0;
var realAlpha = tinycolor(rgb).toRgbString();
var gradient = "linear-gradient(left, " + realAlpha + ", " + realHex + ")";
if (IE) {
alphaSliderInner.css("filter", tinycolor(realAlpha).toFilter({ gradientType: 1 }, realHex));
}
else {
alphaSliderInner.css("background", "-webkit-" + gradient);
alphaSliderInner.css("background", "-moz-" + gradient);
alphaSliderInner.css("background", "-ms-" + gradient);
// Use current syntax gradient on unprefixed property.
alphaSliderInner.css("background",
"linear-gradient(to right, " + realAlpha + ", " + realHex + ")");
}
}
displayColor = realColor.toString(format);
}
// Update the text entry input as it changes happen
if (opts.showInput) {
textInput.val(displayColor);
}
if (opts.showPalette) {
drawPalette();
}
drawInitial();
}
function updateHelperLocations() {
var s = currentSaturation;
var v = currentValue;
if(allowEmpty && isEmpty) {
//if selected color is empty, hide the helpers
alphaSlideHelper.hide();
slideHelper.hide();
dragHelper.hide();
}
else {
//make sure helpers are visible
alphaSlideHelper.show();
slideHelper.show();
dragHelper.show();
// Where to show the little circle in that displays your current selected color
var dragX = s * dragWidth;
var dragY = dragHeight - (v * dragHeight);
dragX = Math.max(
-dragHelperHeight,
Math.min(dragWidth - dragHelperHeight, dragX - dragHelperHeight)
);
dragY = Math.max(
-dragHelperHeight,
Math.min(dragHeight - dragHelperHeight, dragY - dragHelperHeight)
);
dragHelper.css({
"top": dragY + "px",
"left": dragX + "px"
});
var alphaX = currentAlpha * alphaWidth;
alphaSlideHelper.css({
"left": (alphaX - (alphaSlideHelperWidth / 2)) + "px"
});
// Where to show the bar that displays your current selected hue
var slideY = (currentHue) * slideHeight;
slideHelper.css({
"top": (slideY - slideHelperHeight) + "px"
});
}
}
function updateOriginalInput(fireCallback) {
var color = get(),
displayColor = '',
hasChanged = !tinycolor.equals(color, colorOnShow);
if (color) {
displayColor = color.toString(currentPreferredFormat);
// Update the selection palette with the current color
addColorToSelectionPalette(color);
}
if (isInput) {
boundElement.val(displayColor);
}
if (fireCallback && hasChanged) {
callbacks.change(color);
boundElement.trigger('change', [ color ]);
}
}
function reflow() {
if (!visible) {
return; // Calculations would be useless and wouldn't be reliable anyways
}
dragWidth = dragger.width();
dragHeight = dragger.height();
dragHelperHeight = dragHelper.height();
slideWidth = slider.width();
slideHeight = slider.height();
slideHelperHeight = slideHelper.height();
alphaWidth = alphaSlider.width();
alphaSlideHelperWidth = alphaSlideHelper.width();
if (!flat) {
container.css("position", "absolute");
if (opts.offset) {
container.offset(opts.offset);
} else {
container.offset(getOffset(container, offsetElement));
}
}
updateHelperLocations();
if (opts.showPalette) {
drawPalette();
}
boundElement.trigger('reflow.spectrum');
}
function destroy() {
boundElement.show();
offsetElement.unbind("click.spectrum touchstart.spectrum");
container.remove();
replacer.remove();
spectrums[spect.id] = null;
}
function option(optionName, optionValue) {
if (optionName === undefined) {
return $.extend({}, opts);
}
if (optionValue === undefined) {
return opts[optionName];
}
opts[optionName] = optionValue;
if (optionName === "preferredFormat") {
currentPreferredFormat = opts.preferredFormat;
}
applyOptions();
}
function enable() {
disabled = false;
boundElement.attr("disabled", false);
offsetElement.removeClass("sp-disabled");
}
function disable() {
hide();
disabled = true;
boundElement.attr("disabled", true);
offsetElement.addClass("sp-disabled");
}
function setOffset(coord) {
opts.offset = coord;
reflow();
}
initialize();
var spect = {
show: show,
hide: hide,
toggle: toggle,
reflow: reflow,
option: option,
enable: enable,
disable: disable,
offset: setOffset,
set: function (c) {
set(c);
updateOriginalInput();
},
get: get,
destroy: destroy,
container: container
};
spect.id = spectrums.push(spect) - 1;
return spect;
}
/**
* checkOffset - get the offset below/above and left/right element depending on screen position
* Thanks https://github.com/jquery/jquery-ui/blob/master/ui/jquery.ui.datepicker.js
*/
function getOffset(picker, input) {
var extraY = 0;
var dpWidth = picker.outerWidth();
var dpHeight = picker.outerHeight();
var inputHeight = input.outerHeight();
var doc = picker[0].ownerDocument;
var docElem = doc.documentElement;
var viewWidth = docElem.clientWidth + $(doc).scrollLeft();
var viewHeight = docElem.clientHeight + $(doc).scrollTop();
var offset = input.offset();
offset.top += inputHeight;
offset.left -=
Math.min(offset.left, (offset.left + dpWidth > viewWidth && viewWidth > dpWidth) ?
Math.abs(offset.left + dpWidth - viewWidth) : 0);
offset.top -=
Math.min(offset.top, ((offset.top + dpHeight > viewHeight && viewHeight > dpHeight) ?
Math.abs(dpHeight + inputHeight - extraY) : extraY));
return offset;
}
/**
* noop - do nothing
*/
function noop() {
}
/**
* stopPropagation - makes the code only doing this a little easier to read in line
*/
function stopPropagation(e) {
e.stopPropagation();
}
/**
* Create a function bound to a given object
* Thanks to underscore.js
*/
function bind(func, obj) {
var slice = Array.prototype.slice;
var args = slice.call(arguments, 2);
return function () {
return func.apply(obj, args.concat(slice.call(arguments)));
};
}
/**
* Lightweight drag helper. Handles containment within the element, so that
* when dragging, the x is within [0,element.width] and y is within [0,element.height]
*/
function draggable(element, onmove, onstart, onstop) {
onmove = onmove || function () { };
onstart = onstart || function () { };
onstop = onstop || function () { };
var doc = document;
var dragging = false;
var offset = {};
var maxHeight = 0;
var maxWidth = 0;
var hasTouch = ('ontouchstart' in window);
var duringDragEvents = {};
duringDragEvents["selectstart"] = prevent;
duringDragEvents["dragstart"] = prevent;
duringDragEvents["touchmove mousemove"] = move;
duringDragEvents["touchend mouseup"] = stop;
function prevent(e) {
if (e.stopPropagation) {
e.stopPropagation();
}
if (e.preventDefault) {
e.preventDefault();
}
e.returnValue = false;
}
function move(e) {
if (dragging) {
// Mouseup happened outside of window
if (IE && doc.documentMode < 9 && !e.button) {
return stop();
}
var t0 = e.originalEvent && e.originalEvent.touches && e.originalEvent.touches[0];
var pageX = t0 && t0.pageX || e.pageX;
var pageY = t0 && t0.pageY || e.pageY;
var dragX = Math.max(0, Math.min(pageX - offset.left, maxWidth));
var dragY = Math.max(0, Math.min(pageY - offset.top, maxHeight));
if (hasTouch) {
// Stop scrolling in iOS
prevent(e);
}
onmove.apply(element, [dragX, dragY, e]);
}
}
function start(e) {
var rightclick = (e.which) ? (e.which == 3) : (e.button == 2);
if (!rightclick && !dragging) {
if (onstart.apply(element, arguments) !== false) {
dragging = true;
maxHeight = $(element).height();
maxWidth = $(element).width();
offset = $(element).offset();
$(doc).bind(duringDragEvents);
$(doc.body).addClass("sp-dragging");
move(e);
prevent(e);
}
}
}
function stop() {
if (dragging) {
$(doc).unbind(duringDragEvents);
$(doc.body).removeClass("sp-dragging");
// Wait a tick before notifying observers to allow the click event
// to fire in Chrome.
setTimeout(function() {
onstop.apply(element, arguments);
}, 0);
}
dragging = false;
}
$(element).bind("touchstart mousedown", start);
}
function throttle(func, wait, debounce) {
var timeout;
return function () {
var context = this, args = arguments;
var throttler = function () {
timeout = null;
func.apply(context, args);
};
if (debounce) clearTimeout(timeout);
if (debounce || !timeout) timeout = setTimeout(throttler, wait);
};
}
function inputTypeColorSupport() {
return $.fn.spectrum.inputTypeColorSupport();
}
/**
* Define a jQuery plugin
*/
var dataID = "spectrum.id";
$.fn.spectrum = function (opts, extra) {
if (typeof opts == "string") {
var returnValue = this;
var args = Array.prototype.slice.call( arguments, 1 );
this.each(function () {
var spect = spectrums[$(this).data(dataID)];
if (spect) {
var method = spect[opts];
if (!method) {
throw new Error( "Spectrum: no such method: '" + opts + "'" );
}
if (opts == "get") {
returnValue = spect.get();
}
else if (opts == "container") {
returnValue = spect.container;
}
else if (opts == "option") {
returnValue = spect.option.apply(spect, args);
}
else if (opts == "destroy") {
spect.destroy();
$(this).removeData(dataID);
}
else {
method.apply(spect, args);
}
}
});
return returnValue;
}
// Initializing a new instance of spectrum
return this.spectrum("destroy").each(function () {
var options = $.extend({}, opts, $(this).data());
var spect = spectrum(this, options);
$(this).data(dataID, spect.id);
});
};
$.fn.spectrum.load = true;
$.fn.spectrum.loadOpts = {};
$.fn.spectrum.draggable = draggable;
$.fn.spectrum.defaults = defaultOpts;
$.fn.spectrum.inputTypeColorSupport = function inputTypeColorSupport() {
if (typeof inputTypeColorSupport._cachedResult === "undefined") {
var colorInput = $("<input type='color'/>")[0]; // if color element is supported, value will default to not null
inputTypeColorSupport._cachedResult = colorInput.type === "color" && colorInput.value !== "";
}
return inputTypeColorSupport._cachedResult;
};
$.spectrum = { };
$.spectrum.localization = { };
$.spectrum.palettes = { };
$.fn.spectrum.processNativeColorInputs = function () {
var colorInputs = $("input[type=color]");
if (colorInputs.length && !inputTypeColorSupport()) {
colorInputs.spectrum({
preferredFormat: "hex6"
});
}
};
// TinyColor v1.1.2
// https://github.com/bgrins/TinyColor
// Brian Grinstead, MIT License
(function() {
var trimLeft = /^[\s,#]+/,
trimRight = /\s+$/,
tinyCounter = 0,
math = Math,
mathRound = math.round,
mathMin = math.min,
mathMax = math.max,
mathRandom = math.random;
var tinycolor = function(color, opts) {
color = (color) ? color : '';
opts = opts || { };
// If input is already a tinycolor, return itself
if (color instanceof tinycolor) {
return color;
}
// If we are called as a function, call using new instead
if (!(this instanceof tinycolor)) {
return new tinycolor(color, opts);
}
var rgb = inputToRGB(color);
this._originalInput = color,
this._r = rgb.r,
this._g = rgb.g,
this._b = rgb.b,
this._a = rgb.a,
this._roundA = mathRound(100*this._a) / 100,
this._format = opts.format || rgb.format;
this._gradientType = opts.gradientType;
// Don't let the range of [0,255] come back in [0,1].
// Potentially lose a little bit of precision here, but will fix issues where
// .5 gets interpreted as half of the total, instead of half of 1
// If it was supposed to be 128, this was already taken care of by `inputToRgb`
if (this._r < 1) { this._r = mathRound(this._r); }
if (this._g < 1) { this._g = mathRound(this._g); }
if (this._b < 1) { this._b = mathRound(this._b); }
this._ok = rgb.ok;
this._tc_id = tinyCounter++;
};
tinycolor.prototype = {
isDark: function() {
return this.getBrightness() < 128;
},
isLight: function() {
return !this.isDark();
},
isValid: function() {
return this._ok;
},
getOriginalInput: function() {
return this._originalInput;
},
getFormat: function() {
return this._format;
},
getAlpha: function() {
return this._a;
},
getBrightness: function() {
var rgb = this.toRgb();
return (rgb.r * 299 + rgb.g * 587 + rgb.b * 114) / 1000;
},
setAlpha: function(value) {
this._a = boundAlpha(value);
this._roundA = mathRound(100*this._a) / 100;
return this;
},
toHsv: function() {
var hsv = rgbToHsv(this._r, this._g, this._b);
return { h: hsv.h * 360, s: hsv.s, v: hsv.v, a: this._a };
},
toHsvString: function() {
var hsv = rgbToHsv(this._r, this._g, this._b);
var h = mathRound(hsv.h * 360), s = mathRound(hsv.s * 100), v = mathRound(hsv.v * 100);
return (this._a == 1) ?
"hsv(" + h + ", " + s + "%, " + v + "%)" :
"hsva(" + h + ", " + s + "%, " + v + "%, "+ this._roundA + ")";
},
toHsl: function() {
var hsl = rgbToHsl(this._r, this._g, this._b);
return { h: hsl.h * 360, s: hsl.s, l: hsl.l, a: this._a };
},
toHslString: function() {
var hsl = rgbToHsl(this._r, this._g, this._b);
var h = mathRound(hsl.h * 360), s = mathRound(hsl.s * 100), l = mathRound(hsl.l * 100);
return (this._a == 1) ?
"hsl(" + h + ", " + s + "%, " + l + "%)" :
"hsla(" + h + ", " + s + "%, " + l + "%, "+ this._roundA + ")";
},
toHex: function(allow3Char) {
return rgbToHex(this._r, this._g, this._b, allow3Char);
},
toHexString: function(allow3Char) {
return '#' + this.toHex(allow3Char);
},
toHex8: function() {
return rgbaToHex(this._r, this._g, this._b, this._a);
},
toHex8String: function() {
return '#' + this.toHex8();
},
toRgb: function() {
return { r: mathRound(this._r), g: mathRound(this._g), b: mathRound(this._b), a: this._a };
},
toRgbString: function() {
return (this._a == 1) ?
"rgb(" + mathRound(this._r) + ", " + mathRound(this._g) + ", " + mathRound(this._b) + ")" :
"rgba(" + mathRound(this._r) + ", " + mathRound(this._g) + ", " + mathRound(this._b) + ", " + this._roundA + ")";
},
toPercentageRgb: function() {
return { r: mathRound(bound01(this._r, 255) * 100) + "%", g: mathRound(bound01(this._g, 255) * 100) + "%", b: mathRound(bound01(this._b, 255) * 100) + "%", a: this._a };
},
toPercentageRgbString: function() {
return (this._a == 1) ?
"rgb(" + mathRound(bound01(this._r, 255) * 100) + "%, " + mathRound(bound01(this._g, 255) * 100) + "%, " + mathRound(bound01(this._b, 255) * 100) + "%)" :
"rgba(" + mathRound(bound01(this._r, 255) * 100) + "%, " + mathRound(bound01(this._g, 255) * 100) + "%, " + mathRound(bound01(this._b, 255) * 100) + "%, " + this._roundA + ")";
},
toName: function() {
if (this._a === 0) {
return "transparent";
}
if (this._a < 1) {
return false;
}
return hexNames[rgbToHex(this._r, this._g, this._b, true)] || false;
},
toFilter: function(secondColor) {
var hex8String = '#' + rgbaToHex(this._r, this._g, this._b, this._a);
var secondHex8String = hex8String;
var gradientType = this._gradientType ? "GradientType = 1, " : "";
if (secondColor) {
var s = tinycolor(secondColor);
secondHex8String = s.toHex8String();
}
return "progid:DXImageTransform.Microsoft.gradient("+gradientType+"startColorstr="+hex8String+",endColorstr="+secondHex8String+")";
},
toString: function(format) {
var formatSet = !!format;
format = format || this._format;
var formattedString = false;
var hasAlpha = this._a < 1 && this._a >= 0;
var needsAlphaFormat = !formatSet && hasAlpha && (format === "hex" || format === "hex6" || format === "hex3" || format === "name");
if (needsAlphaFormat) {
// Special case for "transparent", all other non-alpha formats
// will return rgba when there is transparency.
if (format === "name" && this._a === 0) {
return this.toName();
}
return this.toRgbString();
}
if (format === "rgb") {
formattedString = this.toRgbString();
}
if (format === "prgb") {
formattedString = this.toPercentageRgbString();
}
if (format === "hex" || format === "hex6") {
formattedString = this.toHexString();
}
if (format === "hex3") {
formattedString = this.toHexString(true);
}
if (format === "hex8") {
formattedString = this.toHex8String();
}
if (format === "name") {
formattedString = this.toName();
}
if (format === "hsl") {
formattedString = this.toHslString();
}
if (format === "hsv") {
formattedString = this.toHsvString();
}
return formattedString || this.toHexString();
},
_applyModification: function(fn, args) {
var color = fn.apply(null, [this].concat([].slice.call(args)));
this._r = color._r;
this._g = color._g;
this._b = color._b;
this.setAlpha(color._a);
return this;
},
lighten: function() {
return this._applyModification(lighten, arguments);
},
brighten: function() {
return this._applyModification(brighten, arguments);
},
darken: function() {
return this._applyModification(darken, arguments);
},
desaturate: function() {
return this._applyModification(desaturate, arguments);
},
saturate: function() {
return this._applyModification(saturate, arguments);
},
greyscale: function() {
return this._applyModification(greyscale, arguments);
},
spin: function() {
return this._applyModification(spin, arguments);
},
_applyCombination: function(fn, args) {
return fn.apply(null, [this].concat([].slice.call(args)));
},
analogous: function() {
return this._applyCombination(analogous, arguments);
},
complement: function() {
return this._applyCombination(complement, arguments);
},
monochromatic: function() {
return this._applyCombination(monochromatic, arguments);
},
splitcomplement: function() {
return this._applyCombination(splitcomplement, arguments);
},
triad: function() {
return this._applyCombination(triad, arguments);
},
tetrad: function() {
return this._applyCombination(tetrad, arguments);
}
};
// If input is an object, force 1 into "1.0" to handle ratios properly
// String input requires "1.0" as input, so 1 will be treated as 1
tinycolor.fromRatio = function(color, opts) {
if (typeof color == "object") {
var newColor = {};
for (var i in color) {
if (color.hasOwnProperty(i)) {
if (i === "a") {
newColor[i] = color[i];
}
else {
newColor[i] = convertToPercentage(color[i]);
}
}
}
color = newColor;
}
return tinycolor(color, opts);
};
// Given a string or object, convert that input to RGB
// Possible string inputs:
//
// "red"
// "#f00" or "f00"
// "#ff0000" or "ff0000"
// "#ff000000" or "ff000000"
// "rgb 255 0 0" or "rgb (255, 0, 0)"
// "rgb 1.0 0 0" or "rgb (1, 0, 0)"
// "rgba (255, 0, 0, 1)" or "rgba 255, 0, 0, 1"
// "rgba (1.0, 0, 0, 1)" or "rgba 1.0, 0, 0, 1"
// "hsl(0, 100%, 50%)" or "hsl 0 100% 50%"
// "hsla(0, 100%, 50%, 1)" or "hsla 0 100% 50%, 1"
// "hsv(0, 100%, 100%)" or "hsv 0 100% 100%"
//
function inputToRGB(color) {
var rgb = { r: 0, g: 0, b: 0 };
var a = 1;
var ok = false;
var format = false;
if (typeof color == "string") {
color = stringInputToObject(color);
}
if (typeof color == "object") {
if (color.hasOwnProperty("r") && color.hasOwnProperty("g") && color.hasOwnProperty("b")) {
rgb = rgbToRgb(color.r, color.g, color.b);
ok = true;
format = String(color.r).substr(-1) === "%" ? "prgb" : "rgb";
}
else if (color.hasOwnProperty("h") && color.hasOwnProperty("s") && color.hasOwnProperty("v")) {
color.s = convertToPercentage(color.s);
color.v = convertToPercentage(color.v);
rgb = hsvToRgb(color.h, color.s, color.v);
ok = true;
format = "hsv";
}
else if (color.hasOwnProperty("h") && color.hasOwnProperty("s") && color.hasOwnProperty("l")) {
color.s = convertToPercentage(color.s);
color.l = convertToPercentage(color.l);
rgb = hslToRgb(color.h, color.s, color.l);
ok = true;
format = "hsl";
}
if (color.hasOwnProperty("a")) {
a = color.a;
}
}
a = boundAlpha(a);
return {
ok: ok,
format: color.format || format,
r: mathMin(255, mathMax(rgb.r, 0)),
g: mathMin(255, mathMax(rgb.g, 0)),
b: mathMin(255, mathMax(rgb.b, 0)),
a: a
};
}
// Conversion Functions
// --------------------
// `rgbToHsl`, `rgbToHsv`, `hslToRgb`, `hsvToRgb` modified from:
// <http://mjijackson.com/2008/02/rgb-to-hsl-and-rgb-to-hsv-color-model-conversion-algorithms-in-javascript>
// `rgbToRgb`
// Handle bounds / percentage checking to conform to CSS color spec
// <http://www.w3.org/TR/css3-color/>
// *Assumes:* r, g, b in [0, 255] or [0, 1]
// *Returns:* { r, g, b } in [0, 255]
function rgbToRgb(r, g, b){
return {
r: bound01(r, 255) * 255,
g: bound01(g, 255) * 255,
b: bound01(b, 255) * 255
};
}
// `rgbToHsl`
// Converts an RGB color value to HSL.
// *Assumes:* r, g, and b are contained in [0, 255] or [0, 1]
// *Returns:* { h, s, l } in [0,1]
function rgbToHsl(r, g, b) {
r = bound01(r, 255);
g = bound01(g, 255);
b = bound01(b, 255);
var max = mathMax(r, g, b), min = mathMin(r, g, b);
var h, s, l = (max + min) / 2;
if(max == min) {
h = s = 0; // achromatic
}
else {
var d = max - min;
s = l > 0.5 ? d / (2 - max - min) : d / (max + min);
switch(max) {
case r: h = (g - b) / d + (g < b ? 6 : 0); break;
case g: h = (b - r) / d + 2; break;
case b: h = (r - g) / d + 4; break;
}
h /= 6;
}
return { h: h, s: s, l: l };
}
// `hslToRgb`
// Converts an HSL color value to RGB.
// *Assumes:* h is contained in [0, 1] or [0, 360] and s and l are contained [0, 1] or [0, 100]
// *Returns:* { r, g, b } in the set [0, 255]
function hslToRgb(h, s, l) {
var r, g, b;
h = bound01(h, 360);
s = bound01(s, 100);
l = bound01(l, 100);
function hue2rgb(p, q, t) {
if(t < 0) t += 1;
if(t > 1) t -= 1;
if(t < 1/6) return p + (q - p) * 6 * t;
if(t < 1/2) return q;
if(t < 2/3) return p + (q - p) * (2/3 - t) * 6;
return p;
}
if(s === 0) {
r = g = b = l; // achromatic
}
else {
var q = l < 0.5 ? l * (1 + s) : l + s - l * s;
var p = 2 * l - q;
r = hue2rgb(p, q, h + 1/3);
g = hue2rgb(p, q, h);
b = hue2rgb(p, q, h - 1/3);
}
return { r: r * 255, g: g * 255, b: b * 255 };
}
// `rgbToHsv`
// Converts an RGB color value to HSV
// *Assumes:* r, g, and b are contained in the set [0, 255] or [0, 1]
// *Returns:* { h, s, v } in [0,1]
function rgbToHsv(r, g, b) {
r = bound01(r, 255);
g = bound01(g, 255);
b = bound01(b, 255);
var max = mathMax(r, g, b), min = mathMin(r, g, b);
var h, s, v = max;
var d = max - min;
s = max === 0 ? 0 : d / max;
if(max == min) {
h = 0; // achromatic
}
else {
switch(max) {
case r: h = (g - b) / d + (g < b ? 6 : 0); break;
case g: h = (b - r) / d + 2; break;
case b: h = (r - g) / d + 4; break;
}
h /= 6;
}
return { h: h, s: s, v: v };
}
// `hsvToRgb`
// Converts an HSV color value to RGB.
// *Assumes:* h is contained in [0, 1] or [0, 360] and s and v are contained in [0, 1] or [0, 100]
// *Returns:* { r, g, b } in the set [0, 255]
function hsvToRgb(h, s, v) {
h = bound01(h, 360) * 6;
s = bound01(s, 100);
v = bound01(v, 100);
var i = math.floor(h),
f = h - i,
p = v * (1 - s),
q = v * (1 - f * s),
t = v * (1 - (1 - f) * s),
mod = i % 6,
r = [v, q, p, p, t, v][mod],
g = [t, v, v, q, p, p][mod],
b = [p, p, t, v, v, q][mod];
return { r: r * 255, g: g * 255, b: b * 255 };
}
// `rgbToHex`
// Converts an RGB color to hex
// Assumes r, g, and b are contained in the set [0, 255]
// Returns a 3 or 6 character hex
function rgbToHex(r, g, b, allow3Char) {
var hex = [
pad2(mathRound(r).toString(16)),
pad2(mathRound(g).toString(16)),
pad2(mathRound(b).toString(16))
];
// Return a 3 character hex if possible
if (allow3Char && hex[0].charAt(0) == hex[0].charAt(1) && hex[1].charAt(0) == hex[1].charAt(1) && hex[2].charAt(0) == hex[2].charAt(1)) {
return hex[0].charAt(0) + hex[1].charAt(0) + hex[2].charAt(0);
}
return hex.join("");
}
// `rgbaToHex`
// Converts an RGBA color plus alpha transparency to hex
// Assumes r, g, b and a are contained in the set [0, 255]
// Returns an 8 character hex
function rgbaToHex(r, g, b, a) {
var hex = [
pad2(convertDecimalToHex(a)),
pad2(mathRound(r).toString(16)),
pad2(mathRound(g).toString(16)),
pad2(mathRound(b).toString(16))
];
return hex.join("");
}
// `equals`
// Can be called with any tinycolor input
tinycolor.equals = function (color1, color2) {
if (!color1 || !color2) { return false; }
return tinycolor(color1).toRgbString() == tinycolor(color2).toRgbString();
};
tinycolor.random = function() {
return tinycolor.fromRatio({
r: mathRandom(),
g: mathRandom(),
b: mathRandom()
});
};
// Modification Functions
// ----------------------
// Thanks to less.js for some of the basics here
// <https://github.com/cloudhead/less.js/blob/master/lib/less/functions.js>
function desaturate(color, amount) {
amount = (amount === 0) ? 0 : (amount || 10);
var hsl = tinycolor(color).toHsl();
hsl.s -= amount / 100;
hsl.s = clamp01(hsl.s);
return tinycolor(hsl);
}
function saturate(color, amount) {
amount = (amount === 0) ? 0 : (amount || 10);
var hsl = tinycolor(color).toHsl();
hsl.s += amount / 100;
hsl.s = clamp01(hsl.s);
return tinycolor(hsl);
}
function greyscale(color) {
return tinycolor(color).desaturate(100);
}
function lighten (color, amount) {
amount = (amount === 0) ? 0 : (amount || 10);
var hsl = tinycolor(color).toHsl();
hsl.l += amount / 100;
hsl.l = clamp01(hsl.l);
return tinycolor(hsl);
}
function brighten(color, amount) {
amount = (amount === 0) ? 0 : (amount || 10);
var rgb = tinycolor(color).toRgb();
rgb.r = mathMax(0, mathMin(255, rgb.r - mathRound(255 * - (amount / 100))));
rgb.g = mathMax(0, mathMin(255, rgb.g - mathRound(255 * - (amount / 100))));
rgb.b = mathMax(0, mathMin(255, rgb.b - mathRound(255 * - (amount / 100))));
return tinycolor(rgb);
}
function darken (color, amount) {
amount = (amount === 0) ? 0 : (amount || 10);
var hsl = tinycolor(color).toHsl();
hsl.l -= amount / 100;
hsl.l = clamp01(hsl.l);
return tinycolor(hsl);
}
// Spin takes a positive or negative amount within [-360, 360] indicating the change of hue.
// Values outside of this range will be wrapped into this range.
function spin(color, amount) {
var hsl = tinycolor(color).toHsl();
var hue = (mathRound(hsl.h) + amount) % 360;
hsl.h = hue < 0 ? 360 + hue : hue;
return tinycolor(hsl);
}
// Combination Functions
// ---------------------
// Thanks to jQuery xColor for some of the ideas behind these
// <https://github.com/infusion/jQuery-xcolor/blob/master/jquery.xcolor.js>
function complement(color) {
var hsl = tinycolor(color).toHsl();
hsl.h = (hsl.h + 180) % 360;
return tinycolor(hsl);
}
function triad(color) {
var hsl = tinycolor(color).toHsl();
var h = hsl.h;
return [
tinycolor(color),
tinycolor({ h: (h + 120) % 360, s: hsl.s, l: hsl.l }),
tinycolor({ h: (h + 240) % 360, s: hsl.s, l: hsl.l })
];
}
function tetrad(color) {
var hsl = tinycolor(color).toHsl();
var h = hsl.h;
return [
tinycolor(color),
tinycolor({ h: (h + 90) % 360, s: hsl.s, l: hsl.l }),
tinycolor({ h: (h + 180) % 360, s: hsl.s, l: hsl.l }),
tinycolor({ h: (h + 270) % 360, s: hsl.s, l: hsl.l })
];
}
function splitcomplement(color) {
var hsl = tinycolor(color).toHsl();
var h = hsl.h;
return [
tinycolor(color),
tinycolor({ h: (h + 72) % 360, s: hsl.s, l: hsl.l}),
tinycolor({ h: (h + 216) % 360, s: hsl.s, l: hsl.l})
];
}
function analogous(color, results, slices) {
results = results || 6;
slices = slices || 30;
var hsl = tinycolor(color).toHsl();
var part = 360 / slices;
var ret = [tinycolor(color)];
for (hsl.h = ((hsl.h - (part * results >> 1)) + 720) % 360; --results; ) {
hsl.h = (hsl.h + part) % 360;
ret.push(tinycolor(hsl));
}
return ret;
}
function monochromatic(color, results) {
results = results || 6;
var hsv = tinycolor(color).toHsv();
var h = hsv.h, s = hsv.s, v = hsv.v;
var ret = [];
var modification = 1 / results;
while (results--) {
ret.push(tinycolor({ h: h, s: s, v: v}));
v = (v + modification) % 1;
}
return ret;
}
// Utility Functions
// ---------------------
tinycolor.mix = function(color1, color2, amount) {
amount = (amount === 0) ? 0 : (amount || 50);
var rgb1 = tinycolor(color1).toRgb();
var rgb2 = tinycolor(color2).toRgb();
var p = amount / 100;
var w = p * 2 - 1;
var a = rgb2.a - rgb1.a;
var w1;
if (w * a == -1) {
w1 = w;
} else {
w1 = (w + a) / (1 + w * a);
}
w1 = (w1 + 1) / 2;
var w2 = 1 - w1;
var rgba = {
r: rgb2.r * w1 + rgb1.r * w2,
g: rgb2.g * w1 + rgb1.g * w2,
b: rgb2.b * w1 + rgb1.b * w2,
a: rgb2.a * p + rgb1.a * (1 - p)
};
return tinycolor(rgba);
};
// Readability Functions
// ---------------------
// <http://www.w3.org/TR/AERT#color-contrast>
// `readability`
// Analyze the 2 colors and returns an object with the following properties:
// `brightness`: difference in brightness between the two colors
// `color`: difference in color/hue between the two colors
tinycolor.readability = function(color1, color2) {
var c1 = tinycolor(color1);
var c2 = tinycolor(color2);
var rgb1 = c1.toRgb();
var rgb2 = c2.toRgb();
var brightnessA = c1.getBrightness();
var brightnessB = c2.getBrightness();
var colorDiff = (
Math.max(rgb1.r, rgb2.r) - Math.min(rgb1.r, rgb2.r) +
Math.max(rgb1.g, rgb2.g) - Math.min(rgb1.g, rgb2.g) +
Math.max(rgb1.b, rgb2.b) - Math.min(rgb1.b, rgb2.b)
);
return {
brightness: Math.abs(brightnessA - brightnessB),
color: colorDiff
};
};
// `readable`
// http://www.w3.org/TR/AERT#color-contrast
// Ensure that foreground and background color combinations provide sufficient contrast.
// *Example*
// tinycolor.isReadable("#000", "#111") => false
tinycolor.isReadable = function(color1, color2) {
var readability = tinycolor.readability(color1, color2);
return readability.brightness > 125 && readability.color > 500;
};
// `mostReadable`
// Given a base color and a list of possible foreground or background
// colors for that base, returns the most readable color.
// *Example*
// tinycolor.mostReadable("#123", ["#fff", "#000"]) => "#000"
tinycolor.mostReadable = function(baseColor, colorList) {
var bestColor = null;
var bestScore = 0;
var bestIsReadable = false;
for (var i=0; i < colorList.length; i++) {
// We normalize both around the "acceptable" breaking point,
// but rank brightness constrast higher than hue.
var readability = tinycolor.readability(baseColor, colorList[i]);
var readable = readability.brightness > 125 && readability.color > 500;
var score = 3 * (readability.brightness / 125) + (readability.color / 500);
if ((readable && ! bestIsReadable) ||
(readable && bestIsReadable && score > bestScore) ||
((! readable) && (! bestIsReadable) && score > bestScore)) {
bestIsReadable = readable;
bestScore = score;
bestColor = tinycolor(colorList[i]);
}
}
return bestColor;
};
// Big List of Colors
// ------------------
// <http://www.w3.org/TR/css3-color/#svg-color>
var names = tinycolor.names = {
aliceblue: "f0f8ff",
antiquewhite: "faebd7",
aqua: "0ff",
aquamarine: "7fffd4",
azure: "f0ffff",
beige: "f5f5dc",
bisque: "ffe4c4",
black: "000",
blanchedalmond: "ffebcd",
blue: "00f",
blueviolet: "8a2be2",
brown: "a52a2a",
burlywood: "deb887",
burntsienna: "ea7e5d",
cadetblue: "5f9ea0",
chartreuse: "7fff00",
chocolate: "d2691e",
coral: "ff7f50",
cornflowerblue: "6495ed",
cornsilk: "fff8dc",
crimson: "dc143c",
cyan: "0ff",
darkblue: "00008b",
darkcyan: "008b8b",
darkgoldenrod: "b8860b",
darkgray: "a9a9a9",
darkgreen: "006400",
darkgrey: "a9a9a9",
darkkhaki: "bdb76b",
darkmagenta: "8b008b",
darkolivegreen: "556b2f",
darkorange: "ff8c00",
darkorchid: "9932cc",
darkred: "8b0000",
darksalmon: "e9967a",
darkseagreen: "8fbc8f",
darkslateblue: "483d8b",
darkslategray: "2f4f4f",
darkslategrey: "2f4f4f",
darkturquoise: "00ced1",
darkviolet: "9400d3",
deeppink: "ff1493",
deepskyblue: "00bfff",
dimgray: "696969",
dimgrey: "696969",
dodgerblue: "1e90ff",
firebrick: "b22222",
floralwhite: "fffaf0",
forestgreen: "228b22",
fuchsia: "f0f",
gainsboro: "dcdcdc",
ghostwhite: "f8f8ff",
gold: "ffd700",
goldenrod: "daa520",
gray: "808080",
green: "008000",
greenyellow: "adff2f",
grey: "808080",
honeydew: "f0fff0",
hotpink: "ff69b4",
indianred: "cd5c5c",
indigo: "4b0082",
ivory: "fffff0",
khaki: "f0e68c",
lavender: "e6e6fa",
lavenderblush: "fff0f5",
lawngreen: "7cfc00",
lemonchiffon: "fffacd",
lightblue: "add8e6",
lightcoral: "f08080",
lightcyan: "e0ffff",
lightgoldenrodyellow: "fafad2",
lightgray: "d3d3d3",
lightgreen: "90ee90",
lightgrey: "d3d3d3",
lightpink: "ffb6c1",
lightsalmon: "ffa07a",
lightseagreen: "20b2aa",
lightskyblue: "87cefa",
lightslategray: "789",
lightslategrey: "789",
lightsteelblue: "b0c4de",
lightyellow: "ffffe0",
lime: "0f0",
limegreen: "32cd32",
linen: "faf0e6",
magenta: "f0f",
maroon: "800000",
mediumaquamarine: "66cdaa",
mediumblue: "0000cd",
mediumorchid: "ba55d3",
mediumpurple: "9370db",
mediumseagreen: "3cb371",
mediumslateblue: "7b68ee",
mediumspringgreen: "00fa9a",
mediumturquoise: "48d1cc",
mediumvioletred: "c71585",
midnightblue: "191970",
mintcream: "f5fffa",
mistyrose: "ffe4e1",
moccasin: "ffe4b5",
navajowhite: "ffdead",
navy: "000080",
oldlace: "fdf5e6",
olive: "808000",
olivedrab: "6b8e23",
orange: "ffa500",
orangered: "ff4500",
orchid: "da70d6",
palegoldenrod: "eee8aa",
palegreen: "98fb98",
paleturquoise: "afeeee",
palevioletred: "db7093",
papayawhip: "ffefd5",
peachpuff: "ffdab9",
peru: "cd853f",
pink: "ffc0cb",
plum: "dda0dd",
powderblue: "b0e0e6",
purple: "800080",
rebeccapurple: "663399",
red: "f00",
rosybrown: "bc8f8f",
royalblue: "4169e1",
saddlebrown: "8b4513",
salmon: "fa8072",
sandybrown: "f4a460",
seagreen: "2e8b57",
seashell: "fff5ee",
sienna: "a0522d",
silver: "c0c0c0",
skyblue: "87ceeb",
slateblue: "6a5acd",
slategray: "708090",
slategrey: "708090",
snow: "fffafa",
springgreen: "00ff7f",
steelblue: "4682b4",
tan: "d2b48c",
teal: "008080",
thistle: "d8bfd8",
tomato: "ff6347",
turquoise: "40e0d0",
violet: "ee82ee",
wheat: "f5deb3",
white: "fff",
whitesmoke: "f5f5f5",
yellow: "ff0",
yellowgreen: "9acd32"
};
// Make it easy to access colors via `hexNames[hex]`
var hexNames = tinycolor.hexNames = flip(names);
// Utilities
// ---------
// `{ 'name1': 'val1' }` becomes `{ 'val1': 'name1' }`
function flip(o) {
var flipped = { };
for (var i in o) {
if (o.hasOwnProperty(i)) {
flipped[o[i]] = i;
}
}
return flipped;
}
// Return a valid alpha value [0,1] with all invalid values being set to 1
function boundAlpha(a) {
a = parseFloat(a);
if (isNaN(a) || a < 0 || a > 1) {
a = 1;
}
return a;
}
// Take input from [0, n] and return it as [0, 1]
function bound01(n, max) {
if (isOnePointZero(n)) { n = "100%"; }
var processPercent = isPercentage(n);
n = mathMin(max, mathMax(0, parseFloat(n)));
// Automatically convert percentage into number
if (processPercent) {
n = parseInt(n * max, 10) / 100;
}
// Handle floating point rounding errors
if ((math.abs(n - max) < 0.000001)) {
return 1;
}
// Convert into [0, 1] range if it isn't already
return (n % max) / parseFloat(max);
}
// Force a number between 0 and 1
function clamp01(val) {
return mathMin(1, mathMax(0, val));
}
// Parse a base-16 hex value into a base-10 integer
function parseIntFromHex(val) {
return parseInt(val, 16);
}
// Need to handle 1.0 as 100%, since once it is a number, there is no difference between it and 1
// <http://stackoverflow.com/questions/7422072/javascript-how-to-detect-number-as-a-decimal-including-1-0>
function isOnePointZero(n) {
return typeof n == "string" && n.indexOf('.') != -1 && parseFloat(n) === 1;
}
// Check to see if string passed in is a percentage
function isPercentage(n) {
return typeof n === "string" && n.indexOf('%') != -1;
}
// Force a hex value to have 2 characters
function pad2(c) {
return c.length == 1 ? '0' + c : '' + c;
}
// Replace a decimal with it's percentage value
function convertToPercentage(n) {
if (n <= 1) {
n = (n * 100) + "%";
}
return n;
}
// Converts a decimal to a hex value
function convertDecimalToHex(d) {
return Math.round(parseFloat(d) * 255).toString(16);
}
// Converts a hex value to a decimal
function convertHexToDecimal(h) {
return (parseIntFromHex(h) / 255);
}
var matchers = (function() {
// <http://www.w3.org/TR/css3-values/#integers>
var CSS_INTEGER = "[-\\+]?\\d+%?";
// <http://www.w3.org/TR/css3-values/#number-value>
var CSS_NUMBER = "[-\\+]?\\d*\\.\\d+%?";
// Allow positive/negative integer/number. Don't capture the either/or, just the entire outcome.
var CSS_UNIT = "(?:" + CSS_NUMBER + ")|(?:" + CSS_INTEGER + ")";
// Actual matching.
// Parentheses and commas are optional, but not required.
// Whitespace can take the place of commas or opening paren
var PERMISSIVE_MATCH3 = "[\\s|\\(]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")\\s*\\)?";
var PERMISSIVE_MATCH4 = "[\\s|\\(]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")\\s*\\)?";
return {
rgb: new RegExp("rgb" + PERMISSIVE_MATCH3),
rgba: new RegExp("rgba" + PERMISSIVE_MATCH4),
hsl: new RegExp("hsl" + PERMISSIVE_MATCH3),
hsla: new RegExp("hsla" + PERMISSIVE_MATCH4),
hsv: new RegExp("hsv" + PERMISSIVE_MATCH3),
hsva: new RegExp("hsva" + PERMISSIVE_MATCH4),
hex3: /^([0-9a-fA-F]{1})([0-9a-fA-F]{1})([0-9a-fA-F]{1})$/,
hex6: /^([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})$/,
hex8: /^([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})$/
};
})();
// `stringInputToObject`
// Permissive string parsing. Take in a number of formats, and output an object
// based on detected format. Returns `{ r, g, b }` or `{ h, s, l }` or `{ h, s, v}`
function stringInputToObject(color) {
color = color.replace(trimLeft,'').replace(trimRight, '').toLowerCase();
var named = false;
if (names[color]) {
color = names[color];
named = true;
}
else if (color == 'transparent') {
return { r: 0, g: 0, b: 0, a: 0, format: "name" };
}
// Try to match string input using regular expressions.
// Keep most of the number bounding out of this function - don't worry about [0,1] or [0,100] or [0,360]
// Just return an object and let the conversion functions handle that.
// This way the result will be the same whether the tinycolor is initialized with string or object.
var match;
if ((match = matchers.rgb.exec(color))) {
return { r: match[1], g: match[2], b: match[3] };
}
if ((match = matchers.rgba.exec(color))) {
return { r: match[1], g: match[2], b: match[3], a: match[4] };
}
if ((match = matchers.hsl.exec(color))) {
return { h: match[1], s: match[2], l: match[3] };
}
if ((match = matchers.hsla.exec(color))) {
return { h: match[1], s: match[2], l: match[3], a: match[4] };
}
if ((match = matchers.hsv.exec(color))) {
return { h: match[1], s: match[2], v: match[3] };
}
if ((match = matchers.hsva.exec(color))) {
return { h: match[1], s: match[2], v: match[3], a: match[4] };
}
if ((match = matchers.hex8.exec(color))) {
return {
a: convertHexToDecimal(match[1]),
r: parseIntFromHex(match[2]),
g: parseIntFromHex(match[3]),
b: parseIntFromHex(match[4]),
format: named ? "name" : "hex8"
};
}
if ((match = matchers.hex6.exec(color))) {
return {
r: parseIntFromHex(match[1]),
g: parseIntFromHex(match[2]),
b: parseIntFromHex(match[3]),
format: named ? "name" : "hex"
};
}
if ((match = matchers.hex3.exec(color))) {
return {
r: parseIntFromHex(match[1] + '' + match[1]),
g: parseIntFromHex(match[2] + '' + match[2]),
b: parseIntFromHex(match[3] + '' + match[3]),
format: named ? "name" : "hex"
};
}
return false;
}
window.tinycolor = tinycolor;
})();
$(function () {
if ($.fn.spectrum.load) {
$.fn.spectrum.processNativeColorInputs();
}
});
});