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https://www.ohiocountylibrary.org/js/spectrum.js

js ohiocountylibrary.org collected 2026-10-02 02:51:51 UTC 79,916 bytes, 2,345 lines download raw bytes

vendor: 37,295 bytes, lines 1-1061
1// Spectrum Colorpicker v1.8.0
2// https://github.com/bgrins/spectrum
3// Author: Brian Grinstead
4// License: MIT
5
6(function (factory) {
7    "use strict";
8
9    if (typeof define === 'function' && define.amd) { // AMD
10        define(['jquery'], factory);
11    }
12    else if (typeof exports == "object" && typeof module == "object") { // CommonJS
13        module.exports = factory(require('jquery'));
14    }
15    else { // Browser
16        factory(jQuery);
17    }
18})(function($, undefined) {
19    "use strict";
20
21    var defaultOpts = {
22
23        // Callbacks
24        beforeShow: noop,
25        move: noop,
26        change: noop,
27        show: noop,
28        hide: noop,
29
30        // Options
31        color: false,
32        flat: false,
33        showInput: false,
34        allowEmpty: false,
35        showButtons: true,
36        clickoutFiresChange: true,
37        showInitial: false,
38        showPalette: false,
39        showPaletteOnly: false,
40        hideAfterPaletteSelect: false,
41        togglePaletteOnly: false,
42        showSelectionPalette: true,
43        localStorageKey: false,
44        appendTo: "body",
45        maxSelectionSize: 7,
46        cancelText: "cancel",
47        chooseText: "choose",
48		//eyepickerText: "Logo",
49        togglePaletteMoreText: "more",
50        togglePaletteLessText: "less",
51        clearText: "Clear Color Selection",
52        noColorSelectedText: "No Color Selected",
53        preferredFormat: false,
54        className: "", // Deprecated - use containerClassName and replacerClassName instead.
55        containerClassName: "",
56        replacerClassName: "",
57        showAlpha: false,
58        theme: "sp-light",
59        palette: [["#ffffff", "#000000", "#ff0000", "#ff8000", "#ffff00", "#008000", "#0000ff", "#4b0082", "#9400d3"]],
60        selectionPalette: [],
61        disabled: false,
62        offset: null
63    },
64    spectrums = [],
65    IE = !!/msie/i.exec( window.navigator.userAgent ),
66    rgbaSupport = (function() {
67        function contains( str, substr ) {
68            return !!~('' + str).indexOf(substr);
69        }
70
71        var elem = document.createElement('div');
72        var style = elem.style;
73        style.cssText = 'background-color:rgba(0,0,0,.5)';
74        return contains(style.backgroundColor, 'rgba') || contains(style.backgroundColor, 'hsla');
75    })(),
76    replaceInput = [
77        "<div class='sp-replacer'>",
78            "<div class='sp-preview'><div class='sp-preview-inner'></div></div>",
79            "<div class='sp-dd'>&#9660;</div>",
80        "</div>"
81    ].join(''),
82    markup = (function () {
83
84        // IE does not support gradients with multiple stops, so we need to simulate
85        //  that for the rainbow slider with 8 divs that each have a single gradient
86        var gradientFix = "";
87        if (IE) {
88            for (var i = 1; i <= 6; i++) {
89                gradientFix += "<div class='sp-" + i + "'></div>";
90            }
91        }
92
93        return [
94            "<div class='sp-container sp-hidden'>",
95                "<div class='sp-palette-container'>",
96                    "<div class='sp-palette sp-thumb sp-cf'></div>",
97                    "<div class='sp-palette-button-container sp-cf'>",
98                        "<button type='button' class='sp-palette-toggle'></button>",
99                    "</div>",
100                "</div>",
101                "<div class='sp-picker-container'>",
102                    "<div class='sp-top sp-cf'>",
103                        "<div class='sp-fill'></div>",
104                        "<div class='sp-top-inner'>",
105                            "<div class='sp-color'>",
106                                "<div class='sp-sat'>",
107                                    "<div class='sp-val'>",
108                                        "<div class='sp-dragger'></div>",
109                                    "</div>",
110                                "</div>",
111                            "</div>",
112                            "<div class='sp-clear sp-clear-display'>",
113                            "</div>",
114                            "<div class='sp-hue'>",
115                                "<div class='sp-slider'></div>",
116                                gradientFix,
117                            "</div>",
118                        "</div>",
119                        "<div class='sp-alpha'><div class='sp-alpha-inner'><div class='sp-alpha-handle'></div></div></div>",
120                    "</div>",
121                    "<div class='sp-input-container sp-cf'>",
122                        "<input class='sp-input' type='text' spellcheck='false'  />",
123                    "</div>",
124                    "<div class='sp-initial sp-thumb sp-cf'></div>",
125                    "<div class='sp-button-container sp-cf'>",
126                        "<a class='sp-cancel' href='#'></a>",
127                        "<button type='button' class='sp-choose'></button>",
128                    "</div>",
129                "</div>",
130				
131            "</div>"
132        ].join("");
133    })();
134
135    function paletteTemplate (p, color, className, opts) {
136        var html = [];
137        for (var i = 0; i < p.length; i++) {
138            var current = p[i];
139            if(current) {
140                var tiny = tinycolor(current);
141                var c = tiny.toHsl().l < 0.5 ? "sp-thumb-el sp-thumb-dark" : "sp-thumb-el sp-thumb-light";
142                c += (tinycolor.equals(color, current)) ? " sp-thumb-active" : "";
143                var formattedString = tiny.toString(opts.preferredFormat || "rgb");
144                var swatchStyle = rgbaSupport ? ("background-color:" + tiny.toRgbString()) : "filter:" + tiny.toFilter();
145                html.push('<span title="' + formattedString + '" data-color="' + tiny.toRgbString() + '" class="' + c + '"><span class="sp-thumb-inner" style="' + swatchStyle + ';" /></span>');
146            } else {
147                var cls = 'sp-clear-display';
148                html.push($('<div />')
149                    .append($('<span data-color="" style="background-color:transparent;" class="' + cls + '"></span>')
150                        .attr('title', opts.noColorSelectedText)
151                    )
152                    .html()
153                );
154            }
155        }
156        return "<div class='sp-cf " + className + "'>" + html.join('') + "</div>";
157    }
158
159    function hideAll() {
160        for (var i = 0; i < spectrums.length; i++) {
161            if (spectrums[i]) {
162                spectrums[i].hide();
163            }
164        }
165    }
166
167    function instanceOptions(o, callbackContext) {
168        var opts = $.extend({}, defaultOpts, o);
169        opts.callbacks = {
170            'move': bind(opts.move, callbackContext),
171            'change': bind(opts.change, callbackContext),
172            'show': bind(opts.show, callbackContext),
173            'hide': bind(opts.hide, callbackContext),
174            'beforeShow': bind(opts.beforeShow, callbackContext)
175        };
176
177        return opts;
178    }
179
180    function spectrum(element, o) {
181
182        var opts = instanceOptions(o, element),
183            flat = opts.flat,
184            showSelectionPalette = opts.showSelectionPalette,
185            localStorageKey = opts.localStorageKey,
186            theme = opts.theme,
187            callbacks = opts.callbacks,
188            resize = throttle(reflow, 10),
189            visible = false,
190            isDragging = false,
191            dragWidth = 0,
192            dragHeight = 0,
193            dragHelperHeight = 0,
194            slideHeight = 0,
195            slideWidth = 0,
196            alphaWidth = 0,
197            alphaSlideHelperWidth = 0,
198            slideHelperHeight = 0,
199            currentHue = 0,
200            currentSaturation = 0,
201            currentValue = 0,
202            currentAlpha = 1,
203            palette = [],
204            paletteArray = [],
205            paletteLookup = {},
206            selectionPalette = opts.selectionPalette.slice(0),
207            maxSelectionSize = opts.maxSelectionSize,
208            draggingClass = "sp-dragging",
209            shiftMovementDirection = null;
210
211        var doc = element.ownerDocument,
212            body = doc.body,
213            boundElement = $(element),
214            disabled = false,
215            container = $(markup, doc).addClass(theme),
216            pickerContainer = container.find(".sp-picker-container"),
217			logoContainer = container.find(".sp-logo-container"),
218            dragger = container.find(".sp-color"),
219            dragHelper = container.find(".sp-dragger"),
220            slider = container.find(".sp-hue"),
221            slideHelper = container.find(".sp-slider"),
222            alphaSliderInner = container.find(".sp-alpha-inner"),
223            alphaSlider = container.find(".sp-alpha"),
224            alphaSlideHelper = container.find(".sp-alpha-handle"),
225            textInput = container.find(".sp-input"),
226            paletteContainer = container.find(".sp-palette"),
227            initialColorContainer = container.find(".sp-initial"),
228            cancelButton = container.find(".sp-cancel"),
229            clearButton = container.find(".sp-clear"),
230            chooseButton = container.find(".sp-choose"),
231			//eyepickerButton = container.find(".sp-eyedropper"),
232            toggleButton = container.find(".sp-palette-toggle"),
233            isInput = boundElement.is("input"),
234            isInputTypeColor = isInput && boundElement.attr("type") === "color" && inputTypeColorSupport(),
235            shouldReplace = isInput && !flat,
236            replacer = (shouldReplace) ? $(replaceInput).addClass(theme).addClass(opts.className).addClass(opts.replacerClassName) : $([]),
237            offsetElement = (shouldReplace) ? replacer : boundElement,
238            previewElement = replacer.find(".sp-preview-inner"),
239            initialColor = opts.color || (isInput && boundElement.val()),
240            colorOnShow = false,
241            currentPreferredFormat = opts.preferredFormat,
242            clickoutFiresChange = !opts.showButtons || opts.clickoutFiresChange,
243            isEmpty = !initialColor,
244            allowEmpty = opts.allowEmpty && !isInputTypeColor;
245
246        function applyOptions() {
247
248            if (opts.showPaletteOnly) {
249                opts.showPalette = true;
250            }
251
252            toggleButton.text(opts.showPaletteOnly ? opts.togglePaletteMoreText : opts.togglePaletteLessText);
253
254            if (opts.palette) {
255                palette = opts.palette.slice(0);
256                paletteArray = $.isArray(palette[0]) ? palette : [palette];
257                paletteLookup = {};
258                for (var i = 0; i < paletteArray.length; i++) {
259                    for (var j = 0; j < paletteArray[i].length; j++) {
260                        var rgb = tinycolor(paletteArray[i][j]).toRgbString();
261                        paletteLookup[rgb] = true;
262                    }
263                }
264            }
265
266            container.toggleClass("sp-flat", flat);
267            container.toggleClass("sp-input-disabled", !opts.showInput);
268            container.toggleClass("sp-alpha-enabled", opts.showAlpha);
269            container.toggleClass("sp-clear-enabled", allowEmpty);
270            container.toggleClass("sp-buttons-disabled", !opts.showButtons);
271            container.toggleClass("sp-palette-buttons-disabled", !opts.togglePaletteOnly);
272            container.toggleClass("sp-palette-disabled", !opts.showPalette);
273            container.toggleClass("sp-palette-only", opts.showPaletteOnly);
274            container.toggleClass("sp-initial-disabled", !opts.showInitial);
275            container.addClass(opts.className).addClass(opts.containerClassName);
276
277            reflow();
278        }
279
280        function initialize() {
281
282            if (IE) {
283                container.find("*:not(input)").attr("unselectable", "on");
284            }
285
286            applyOptions();
287
288            if (shouldReplace) {
289                boundElement.after(replacer).hide();
290            }
291
292            if (!allowEmpty) {
293                clearButton.hide();
294            }
295
296            if (flat) {
297                boundElement.after(container).hide();
298            }
299            else {
300
301                var appendTo = opts.appendTo === "parent" ? boundElement.parent() : $(opts.appendTo);
302                if (appendTo.length !== 1) {
303                    appendTo = $("body");
304                }
305
306                appendTo.append(container);
307            }
308
309            updateSelectionPaletteFromStorage();
310
311            offsetElement.bind("click.spectrum touchstart.spectrum", function (e) {
312                if (!disabled) {
313                    toggle();
314                }
315
316                e.stopPropagation();
317
318                if (!$(e.target).is("input")) {
319                    e.preventDefault();
320                }
321            });
322
323            if(boundElement.is(":disabled") || (opts.disabled === true)) {
324                disable();
325            }
326
327            // Prevent clicks from bubbling up to document.  This would cause it to be hidden.
328            container.click(stopPropagation);
329
330            // Handle user typed input
331            textInput.change(setFromTextInput);
332            textInput.bind("paste", function () {
333                setTimeout(setFromTextInput, 1);
334            });
335            textInput.keydown(function (e) { if (e.keyCode == 13) { setFromTextInput(); } });
336
337            cancelButton.text(opts.cancelText);
338            cancelButton.bind("click.spectrum", function (e) {
339                e.stopPropagation();
340                e.preventDefault();
341                revert();
342                hide();
343            });
344
345            clearButton.attr("title", opts.clearText);
346            clearButton.bind("click.spectrum", function (e) {
347                e.stopPropagation();
348                e.preventDefault();
349                isEmpty = true;
350                move();
351
352                if(flat) {
353                    //for the flat style, this is a change event
354                    updateOriginalInput(true);
355                }
356            });
357
358            chooseButton.text(opts.chooseText);
359            chooseButton.bind("click.spectrum", function (e) {
360                e.stopPropagation();
361                e.preventDefault();
362				
363				
364                if (IE && textInput.is(":focus")) {
365                    textInput.trigger('change');
366                }
367
368                if (isValid()) {
369                    updateOriginalInput(true);
370                    hide();
371                }
372            });
373			
374			/*eyepickerButton.text(opts.chooseText);
375            eyepickerButton.bind("click.spectrum", function (e) {
376                //e.stopPropagation();
377                e.preventDefault();
378				
379				alert ('This is click');
380                if (IE && textInput.is(":focus")) {
381                    textInput.trigger('change');
382                }
383
384                if (isValid()) {
385                    updateOriginalInput(true);
386                    hide();
387                }
388            });*/
389			
390
391            toggleButton.text(opts.showPaletteOnly ? opts.togglePaletteMoreText : opts.togglePaletteLessText);
392            toggleButton.bind("click.spectrum", function (e) {
393                e.stopPropagation();
394                e.preventDefault();
395
396                opts.showPaletteOnly = !opts.showPaletteOnly;
397
398                // To make sure the Picker area is drawn on the right, next to the
399                // Palette area (and not below the palette), first move the Palette
400                // to the left to make space for the picker, plus 5px extra.
401                // The 'applyOptions' function puts the whole container back into place
402                // and takes care of the button-text and the sp-palette-only CSS class.
403                if (!opts.showPaletteOnly && !flat) {
404                    container.css('left', '-=' + (pickerContainer.outerWidth(true) + 5));
405                }
406                applyOptions();
407            });
408
409            draggable(alphaSlider, function (dragX, dragY, e) {
410                currentAlpha = (dragX / alphaWidth);
411                isEmpty = false;
412                if (e.shiftKey) {
413                    currentAlpha = Math.round(currentAlpha * 10) / 10;
414                }
415
416                move();
417            }, dragStart, dragStop);
418
419            draggable(slider, function (dragX, dragY) {
420                currentHue = parseFloat(dragY / slideHeight);
421                isEmpty = false;
422                if (!opts.showAlpha) {
423                    currentAlpha = 1;
424                }
425                move();
426            }, dragStart, dragStop);
427
428            draggable(dragger, function (dragX, dragY, e) {
429
430                // shift+drag should snap the movement to either the x or y axis.
431                if (!e.shiftKey) {
432                    shiftMovementDirection = null;
433                }
434                else if (!shiftMovementDirection) {
435                    var oldDragX = currentSaturation * dragWidth;
436                    var oldDragY = dragHeight - (currentValue * dragHeight);
437                    var furtherFromX = Math.abs(dragX - oldDragX) > Math.abs(dragY - oldDragY);
438
439                    shiftMovementDirection = furtherFromX ? "x" : "y";
440                }
441
442                var setSaturation = !shiftMovementDirection || shiftMovementDirection === "x";
443                var setValue = !shiftMovementDirection || shiftMovementDirection === "y";
444
445                if (setSaturation) {
446                    currentSaturation = parseFloat(dragX / dragWidth);
447                }
448                if (setValue) {
449                    currentValue = parseFloat((dragHeight - dragY) / dragHeight);
450                }
451
452                isEmpty = false;
453                if (!opts.showAlpha) {
454                    currentAlpha = 1;
455                }
456
457                move();
458
459            }, dragStart, dragStop);
460
461            if (!!initialColor) {
462                set(initialColor);
463
464                // In case color was black - update the preview UI and set the format
465                // since the set function will not run (default color is black).
466                updateUI();
467                currentPreferredFormat = opts.preferredFormat || tinycolor(initialColor).format;
468
469                addColorToSelectionPalette(initialColor);
470            }
471            else {
472                updateUI();
473            }
474
475            if (flat) {
476                show();
477            }
478
479            function paletteElementClick(e) {
480                if (e.data && e.data.ignore) {
481                    set($(e.target).closest(".sp-thumb-el").data("color"));
482                    move();
483                }
484                else {
485                    set($(e.target).closest(".sp-thumb-el").data("color"));
486                    move();
487                    updateOriginalInput(true);
488                    if (opts.hideAfterPaletteSelect) {
489                      hide();
490                    }
491                }
492
493                return false;
494            }
495
496            var paletteEvent = IE ? "mousedown.spectrum" : "click.spectrum touchstart.spectrum";
497            paletteContainer.delegate(".sp-thumb-el", paletteEvent, paletteElementClick);
498            initialColorContainer.delegate(".sp-thumb-el:nth-child(1)", paletteEvent, { ignore: true }, paletteElementClick);
499        }
500
501        function updateSelectionPaletteFromStorage() {
502
503            if (localStorageKey && window.localStorage) {
504
505                // Migrate old palettes over to new format.  May want to remove this eventually.
506                try {
507                    var oldPalette = window.localStorage[localStorageKey].split(",#");
508                    if (oldPalette.length > 1) {
509                        delete window.localStorage[localStorageKey];
510                        $.each(oldPalette, function(i, c) {
511                             addColorToSelectionPalette(c);
512                        });
513                    }
514                }
515                catch(e) { }
516
517                try {
518                    selectionPalette = window.localStorage[localStorageKey].split(";");
519                }
520                catch (e) { }
521            }
522        }
523
524        function addColorToSelectionPalette(color) {
525            if (showSelectionPalette) {
526                var rgb = tinycolor(color).toRgbString();
527                if (!paletteLookup[rgb] && $.inArray(rgb, selectionPalette) === -1) {
528                    selectionPalette.push(rgb);
529                    while(selectionPalette.length > maxSelectionSize) {
530                        selectionPalette.shift();
531                    }
532                }
533
534                if (localStorageKey && window.localStorage) {
535                    try {
536                        window.localStorage[localStorageKey] = selectionPalette.join(";");
537                    }
538                    catch(e) { }
539                }
540            }
541        }
542
543        function getUniqueSelectionPalette() {
544            var unique = [];
545            if (opts.showPalette) {
546                for (var i = 0; i < selectionPalette.length; i++) {
547                    var rgb = tinycolor(selectionPalette[i]).toRgbString();
548
549                    if (!paletteLookup[rgb]) {
550                        unique.push(selectionPalette[i]);
551                    }
552                }
553            }
554
555            return unique.reverse().slice(0, opts.maxSelectionSize);
556        }
557
558        function drawPalette() {
559
560            var currentColor = get();
561
562            var html = $.map(paletteArray, function (palette, i) {
563                return paletteTemplate(palette, currentColor, "sp-palette-row sp-palette-row-" + i, opts);
564            });
565
566            updateSelectionPaletteFromStorage();
567
568            if (selectionPalette) {
569                html.push(paletteTemplate(getUniqueSelectionPalette(), currentColor, "sp-palette-row sp-palette-row-selection", opts));
570            }
571
572            paletteContainer.html(html.join(""));
573        }
574
575        function drawInitial() {
576            if (opts.showInitial) {
577                var initial = colorOnShow;
578                var current = get();
579                initialColorContainer.html(paletteTemplate([initial, current], current, "sp-palette-row-initial", opts));
580            }
581        }
582
583        function dragStart() {
584            if (dragHeight <= 0 || dragWidth <= 0 || slideHeight <= 0) {
585                reflow();
586            }
587            isDragging = true;
588            container.addClass(draggingClass);
589            shiftMovementDirection = null;
590            boundElement.trigger('dragstart.spectrum', [ get() ]);
591        }
592
593        function dragStop() {
594            isDragging = false;
595            container.removeClass(draggingClass);
596            boundElement.trigger('dragstop.spectrum', [ get() ]);
597        }
598
599        function setFromTextInput() {
600
601            var value = textInput.val();
602
603            if ((value === null || value === "") && allowEmpty) {
604                set(null);
605                updateOriginalInput(true);
606            }
607            else {
608                var tiny = tinycolor(value);
609                if (tiny.isValid()) {
610                    set(tiny);
611                    updateOriginalInput(true);
612                }
613                else {
614                    textInput.addClass("sp-validation-error");
615                }
616            }
617        }
618
619        function toggle() {
620            if (visible) {
621                hide();
622            }
623            else {
624                show();
625            }
626        }
627
628        function show() {
629            var event = $.Event('beforeShow.spectrum');
630
631            if (visible) {
632                reflow();
633                return;
634            }
635
636            boundElement.trigger(event, [ get() ]);
637
638            if (callbacks.beforeShow(get()) === false || event.isDefaultPrevented()) {
639                return;
640            }
641
642            hideAll();
643            visible = true;
644
645            $(doc).bind("keydown.spectrum", onkeydown);
646            $(doc).bind("click.spectrum", clickout);
647            $(window).bind("resize.spectrum", resize);
648            replacer.addClass("sp-active");
649            container.removeClass("sp-hidden");
650
651            reflow();
652            updateUI();
653
654            colorOnShow = get();
655
656            drawInitial();
657            callbacks.show(colorOnShow);
658            boundElement.trigger('show.spectrum', [ colorOnShow ]);
659        }
660
661        function onkeydown(e) {
662            // Close on ESC
663            if (e.keyCode === 27) {
664                hide();
665            }
666        }
667
668        function clickout(e) {
669            // Return on right click.
670            if (e.button == 2) { return; }
671
672            // If a drag event was happening during the mouseup, don't hide
673            // on click.
674            if (isDragging) { return; }
675
676            if (clickoutFiresChange) {
677                updateOriginalInput(true);
678            }
679            else {
680                revert();
681            }
682            hide();
683        }
684
685        function hide() {
686            // Return if hiding is unnecessary
687            if (!visible || flat) { return; }
688            visible = false;
689
690            $(doc).unbind("keydown.spectrum", onkeydown);
691            $(doc).unbind("click.spectrum", clickout);
692            $(window).unbind("resize.spectrum", resize);
693
694            replacer.removeClass("sp-active");
695            container.addClass("sp-hidden");
696
697            callbacks.hide(get());
698            boundElement.trigger('hide.spectrum', [ get() ]);
699        }
700
701        function revert() {
702            set(colorOnShow, true);
703        }
704
705        function set(color, ignoreFormatChange) {
706            if (tinycolor.equals(color, get())) {
707                // Update UI just in case a validation error needs
708                // to be cleared.
709                updateUI();
710                return;
711            }
712
713            var newColor, newHsv;
714            if (!color && allowEmpty) {
715                isEmpty = true;
716            } else {
717                isEmpty = false;
718                newColor = tinycolor(color);
719                newHsv = newColor.toHsv();
720
721                currentHue = (newHsv.h % 360) / 360;
722                currentSaturation = newHsv.s;
723                currentValue = newHsv.v;
724                currentAlpha = newHsv.a;
725            }
726            updateUI();
727
728            if (newColor && newColor.isValid() && !ignoreFormatChange) {
729                currentPreferredFormat = opts.preferredFormat || newColor.getFormat();
730            }
731        }
732
733        function get(opts) {
734            opts = opts || { };
735
736            if (allowEmpty && isEmpty) {
737                return null;
738            }
739
740            return tinycolor.fromRatio({
741                h: currentHue,
742                s: currentSaturation,
743                v: currentValue,
744                a: Math.round(currentAlpha * 100) / 100
745            }, { format: opts.format || currentPreferredFormat });
746        }
747
748        function isValid() {
749            return !textInput.hasClass("sp-validation-error");
750        }
751
752        function move() {
753            updateUI();
754
755            callbacks.move(get());
756            boundElement.trigger('move.spectrum', [ get() ]);
757        }
758
759        function updateUI() {
760
761            textInput.removeClass("sp-validation-error");
762
763            updateHelperLocations();
764
765            // Update dragger background color (gradients take care of saturation and value).
766            var flatColor = tinycolor.fromRatio({ h: currentHue, s: 1, v: 1 });
767            dragger.css("background-color", flatColor.toHexString());
768
769            // Get a format that alpha will be included in (hex and names ignore alpha)
770            var format = currentPreferredFormat;
771            if (currentAlpha < 1 && !(currentAlpha === 0 && format === "name")) {
772                if (format === "hex" || format === "hex3" || format === "hex6" || format === "name") {
773                    format = "rgb";
774                }
775            }
776
777            var realColor = get({ format: format }),
778                displayColor = '';
779
780             //reset background info for preview element
781            previewElement.removeClass("sp-clear-display");
782            previewElement.css('background-color', 'transparent');
783
784            if (!realColor && allowEmpty) {
785                // Update the replaced elements background with icon indicating no color selection
786                previewElement.addClass("sp-clear-display");
787            }
788            else {
789                var realHex = realColor.toHexString(),
790                    realRgb = realColor.toRgbString();
791
792                // Update the replaced elements background color (with actual selected color)
793                if (rgbaSupport || realColor.alpha === 1) {
794                    previewElement.css("background-color", realRgb);
795                }
796                else {
797                    previewElement.css("background-color", "transparent");
798                    previewElement.css("filter", realColor.toFilter());
799                }
800
801                if (opts.showAlpha) {
802                    var rgb = realColor.toRgb();
803                    rgb.a = 0;
804                    var realAlpha = tinycolor(rgb).toRgbString();
805                    var gradient = "linear-gradient(left, " + realAlpha + ", " + realHex + ")";
806
807                    if (IE) {
808                        alphaSliderInner.css("filter", tinycolor(realAlpha).toFilter({ gradientType: 1 }, realHex));
809                    }
810                    else {
811                        alphaSliderInner.css("background", "-webkit-" + gradient);
812                        alphaSliderInner.css("background", "-moz-" + gradient);
813                        alphaSliderInner.css("background", "-ms-" + gradient);
814                        // Use current syntax gradient on unprefixed property.
815                        alphaSliderInner.css("background",
816                            "linear-gradient(to right, " + realAlpha + ", " + realHex + ")");
817                    }
818                }
819
820                displayColor = realColor.toString(format);
821            }
822
823            // Update the text entry input as it changes happen
824            if (opts.showInput) {
825                textInput.val(displayColor);
826            }
827
828            if (opts.showPalette) {
829                drawPalette();
830            }
831
832            drawInitial();
833        }
834
835        function updateHelperLocations() {
836            var s = currentSaturation;
837            var v = currentValue;
838
839            if(allowEmpty && isEmpty) {
840                //if selected color is empty, hide the helpers
841                alphaSlideHelper.hide();
842                slideHelper.hide();
843                dragHelper.hide();
844            }
845            else {
846                //make sure helpers are visible
847                alphaSlideHelper.show();
848                slideHelper.show();
849                dragHelper.show();
850
851                // Where to show the little circle in that displays your current selected color
852                var dragX = s * dragWidth;
853                var dragY = dragHeight - (v * dragHeight);
854                dragX = Math.max(
855                    -dragHelperHeight,
856                    Math.min(dragWidth - dragHelperHeight, dragX - dragHelperHeight)
857                );
858                dragY = Math.max(
859                    -dragHelperHeight,
860                    Math.min(dragHeight - dragHelperHeight, dragY - dragHelperHeight)
861                );
862                dragHelper.css({
863                    "top": dragY + "px",
864                    "left": dragX + "px"
865                });
866
867                var alphaX = currentAlpha * alphaWidth;
868                alphaSlideHelper.css({
869                    "left": (alphaX - (alphaSlideHelperWidth / 2)) + "px"
870                });
871
872                // Where to show the bar that displays your current selected hue
873                var slideY = (currentHue) * slideHeight;
874                slideHelper.css({
875                    "top": (slideY - slideHelperHeight) + "px"
876                });
877            }
878        }
879
880        function updateOriginalInput(fireCallback) {
881            var color = get(),
882                displayColor = '',
883                hasChanged = !tinycolor.equals(color, colorOnShow);
884
885            if (color) {
886                displayColor = color.toString(currentPreferredFormat);
887                // Update the selection palette with the current color
888                addColorToSelectionPalette(color);
889            }
890
891            if (isInput) {
892                boundElement.val(displayColor);
893            }
894
895            if (fireCallback && hasChanged) {
896                callbacks.change(color);
897                boundElement.trigger('change', [ color ]);
898            }
899        }
900
901        function reflow() {
902            if (!visible) {
903                return; // Calculations would be useless and wouldn't be reliable anyways
904            }
905            dragWidth = dragger.width();
906            dragHeight = dragger.height();
907            dragHelperHeight = dragHelper.height();
908            slideWidth = slider.width();
909            slideHeight = slider.height();
910            slideHelperHeight = slideHelper.height();
911            alphaWidth = alphaSlider.width();
912            alphaSlideHelperWidth = alphaSlideHelper.width();
913
914            if (!flat) {
915                container.css("position", "absolute");
916                if (opts.offset) {
917                    container.offset(opts.offset);
918                } else {
919                    container.offset(getOffset(container, offsetElement));
920                }
921            }
922
923            updateHelperLocations();
924
925            if (opts.showPalette) {
926                drawPalette();
927            }
928
929            boundElement.trigger('reflow.spectrum');
930        }
931
932        function destroy() {
933            boundElement.show();
934            offsetElement.unbind("click.spectrum touchstart.spectrum");
935            container.remove();
936            replacer.remove();
937            spectrums[spect.id] = null;
938        }
939
940        function option(optionName, optionValue) {
941            if (optionName === undefined) {
942                return $.extend({}, opts);
943            }
944            if (optionValue === undefined) {
945                return opts[optionName];
946            }
947
948            opts[optionName] = optionValue;
949
950            if (optionName === "preferredFormat") {
951                currentPreferredFormat = opts.preferredFormat;
952            }
953            applyOptions();
954        }
955
956        function enable() {
957            disabled = false;
958            boundElement.attr("disabled", false);
959            offsetElement.removeClass("sp-disabled");
960        }
961
962        function disable() {
963            hide();
964            disabled = true;
965            boundElement.attr("disabled", true);
966            offsetElement.addClass("sp-disabled");
967        }
968
969        function setOffset(coord) {
970            opts.offset = coord;
971            reflow();
972        }
973
974        initialize();
975
976        var spect = {
977            show: show,
978            hide: hide,
979            toggle: toggle,
980            reflow: reflow,
981            option: option,
982            enable: enable,
983            disable: disable,
984            offset: setOffset,
985            set: function (c) {
986                set(c);
987                updateOriginalInput();
988            },
989            get: get,
990            destroy: destroy,
991            container: container
992        };
993
994        spect.id = spectrums.push(spect) - 1;
995
996        return spect;
997    }
998
999    /**
1000    * checkOffset - get the offset below/above and left/right element depending on screen position
1001    * Thanks https://github.com/jquery/jquery-ui/blob/master/ui/jquery.ui.datepicker.js
1002    */
1003    function getOffset(picker, input) {
1004        var extraY = 0;
1005        var dpWidth = picker.outerWidth();
1006        var dpHeight = picker.outerHeight();
1007        var inputHeight = input.outerHeight();
1008        var doc = picker[0].ownerDocument;
1009        var docElem = doc.documentElement;
1010        var viewWidth = docElem.clientWidth + $(doc).scrollLeft();
1011        var viewHeight = docElem.clientHeight + $(doc).scrollTop();
1012        var offset = input.offset();
1013        offset.top += inputHeight;
1014
1015        offset.left -=
1016            Math.min(offset.left, (offset.left + dpWidth > viewWidth && viewWidth > dpWidth) ?
1017            Math.abs(offset.left + dpWidth - viewWidth) : 0);
1018
1019        offset.top -=
1020            Math.min(offset.top, ((offset.top + dpHeight > viewHeight && viewHeight > dpHeight) ?
1021            Math.abs(dpHeight + inputHeight - extraY) : extraY));
1022
1023        return offset;
1024    }
1025
1026    /**
1027    * noop - do nothing
1028    */
1029    function noop() {
1030
1031    }
1032
1033    /**
1034    * stopPropagation - makes the code only doing this a little easier to read in line
1035    */
1036    function stopPropagation(e) {
1037        e.stopPropagation();
1038    }
1039
1040    /**
1041    * Create a function bound to a given object
1042    * Thanks to underscore.js
1043    */
1044    function bind(func, obj) {
1045        var slice = Array.prototype.slice;
1046        var args = slice.call(arguments, 2);
1047        return function () {
1048            return func.apply(obj, args.concat(slice.call(arguments)));
1049        };
1050    }
1051
1052    /**
1053    * Lightweight drag helper.  Handles containment within the element, so that
1054    * when dragging, the x is within [0,element.width] and y is within [0,element.height]
1055    */
1056    function draggable(element, onmove, onstart, onstop) {
1057        onmove = onmove || function () { };
1058        onstart = onstart || function () { };
1059        onstop = onstop || function () { };
1060        var doc = document;
1061        var dragging = false;
vendor: 6,056 bytes, lines 1062-1250
1062        var offset = {};
1063        var maxHeight = 0;
1064        var maxWidth = 0;
1065        var hasTouch = ('ontouchstart' in window);
1066
1067        var duringDragEvents = {};
1068        duringDragEvents["selectstart"] = prevent;
1069        duringDragEvents["dragstart"] = prevent;
1070        duringDragEvents["touchmove mousemove"] = move;
1071        duringDragEvents["touchend mouseup"] = stop;
1072
1073        function prevent(e) {
1074            if (e.stopPropagation) {
1075                e.stopPropagation();
1076            }
1077            if (e.preventDefault) {
1078                e.preventDefault();
1079            }
1080            e.returnValue = false;
1081        }
1082
1083        function move(e) {
1084            if (dragging) {
1085                // Mouseup happened outside of window
1086                if (IE && doc.documentMode < 9 && !e.button) {
1087                    return stop();
1088                }
1089
1090                var t0 = e.originalEvent && e.originalEvent.touches && e.originalEvent.touches[0];
1091                var pageX = t0 && t0.pageX || e.pageX;
1092                var pageY = t0 && t0.pageY || e.pageY;
1093
1094                var dragX = Math.max(0, Math.min(pageX - offset.left, maxWidth));
1095                var dragY = Math.max(0, Math.min(pageY - offset.top, maxHeight));
1096
1097                if (hasTouch) {
1098                    // Stop scrolling in iOS
1099                    prevent(e);
1100                }
1101
1102                onmove.apply(element, [dragX, dragY, e]);
1103            }
1104        }
1105
1106        function start(e) {
1107            var rightclick = (e.which) ? (e.which == 3) : (e.button == 2);
1108
1109            if (!rightclick && !dragging) {
1110                if (onstart.apply(element, arguments) !== false) {
1111                    dragging = true;
1112                    maxHeight = $(element).height();
1113                    maxWidth = $(element).width();
1114                    offset = $(element).offset();
1115
1116                    $(doc).bind(duringDragEvents);
1117                    $(doc.body).addClass("sp-dragging");
1118
1119                    move(e);
1120
1121                    prevent(e);
1122                }
1123            }
1124        }
1125
1126        function stop() {
1127            if (dragging) {
1128                $(doc).unbind(duringDragEvents);
1129                $(doc.body).removeClass("sp-dragging");
1130
1131                // Wait a tick before notifying observers to allow the click event
1132                // to fire in Chrome.
1133                setTimeout(function() {
1134                    onstop.apply(element, arguments);
1135                }, 0);
1136            }
1137            dragging = false;
1138        }
1139
1140        $(element).bind("touchstart mousedown", start);
1141    }
1142
1143    function throttle(func, wait, debounce) {
1144        var timeout;
1145        return function () {
1146            var context = this, args = arguments;
1147            var throttler = function () {
1148                timeout = null;
1149                func.apply(context, args);
1150            };
1151            if (debounce) clearTimeout(timeout);
1152            if (debounce || !timeout) timeout = setTimeout(throttler, wait);
1153        };
1154    }
1155
1156    function inputTypeColorSupport() {
1157        return $.fn.spectrum.inputTypeColorSupport();
1158    }
1159
1160    /**
1161    * Define a jQuery plugin
1162    */
1163    var dataID = "spectrum.id";
1164    $.fn.spectrum = function (opts, extra) {
1165
1166        if (typeof opts == "string") {
1167
1168            var returnValue = this;
1169            var args = Array.prototype.slice.call( arguments, 1 );
1170
1171            this.each(function () {
1172                var spect = spectrums[$(this).data(dataID)];
1173                if (spect) {
1174                    var method = spect[opts];
1175                    if (!method) {
1176                        throw new Error( "Spectrum: no such method: '" + opts + "'" );
1177                    }
1178
1179                    if (opts == "get") {
1180                        returnValue = spect.get();
1181                    }
1182                    else if (opts == "container") {
1183                        returnValue = spect.container;
1184                    }
1185                    else if (opts == "option") {
1186                        returnValue = spect.option.apply(spect, args);
1187                    }
1188                    else if (opts == "destroy") {
1189                        spect.destroy();
1190                        $(this).removeData(dataID);
1191                    }
1192                    else {
1193                        method.apply(spect, args);
1194                    }
1195                }
1196            });
1197
1198            return returnValue;
1199        }
1200
1201        // Initializing a new instance of spectrum
1202        return this.spectrum("destroy").each(function () {
1203            var options = $.extend({}, opts, $(this).data());
1204            var spect = spectrum(this, options);
1205            $(this).data(dataID, spect.id);
1206        });
1207    };
1208
1209    $.fn.spectrum.load = true;
1210    $.fn.spectrum.loadOpts = {};
1211    $.fn.spectrum.draggable = draggable;
1212    $.fn.spectrum.defaults = defaultOpts;
1213    $.fn.spectrum.inputTypeColorSupport = function inputTypeColorSupport() {
1214        if (typeof inputTypeColorSupport._cachedResult === "undefined") {
1215            var colorInput = $("<input type='color'/>")[0]; // if color element is supported, value will default to not null
1216            inputTypeColorSupport._cachedResult = colorInput.type === "color" && colorInput.value !== "";
1217        }
1218        return inputTypeColorSupport._cachedResult;
1219    };
1220
1221    $.spectrum = { };
1222    $.spectrum.localization = { };
1223    $.spectrum.palettes = { };
1224
1225    $.fn.spectrum.processNativeColorInputs = function () {
1226        var colorInputs = $("input[type=color]");
1227        if (colorInputs.length && !inputTypeColorSupport()) {
1228            colorInputs.spectrum({
1229                preferredFormat: "hex6"
1230            });
1231        }
1232    };
1233
1234    // TinyColor v1.1.2
1235    // https://github.com/bgrins/TinyColor
1236    // Brian Grinstead, MIT License
1237
1238    (function() {
1239
1240    var trimLeft = /^[\s,#]+/,
1241        trimRight = /\s+$/,
1242        tinyCounter = 0,
1243        math = Math,
1244        mathRound = math.round,
1245        mathMin = math.min,
1246        mathMax = math.max,
1247        mathRandom = math.random;
1248
1249    var tinycolor = function(color, opts) {
1250
vendor: 2,033 bytes, lines 1251-1310
1251        color = (color) ? color : '';
1252        opts = opts || { };
1253
1254        // If input is already a tinycolor, return itself
1255        if (color instanceof tinycolor) {
1256           return color;
1257        }
1258        // If we are called as a function, call using new instead
1259        if (!(this instanceof tinycolor)) {
1260            return new tinycolor(color, opts);
1261        }
1262
1263        var rgb = inputToRGB(color);
1264        this._originalInput = color,
1265        this._r = rgb.r,
1266        this._g = rgb.g,
1267        this._b = rgb.b,
1268        this._a = rgb.a,
1269        this._roundA = mathRound(100*this._a) / 100,
1270        this._format = opts.format || rgb.format;
1271        this._gradientType = opts.gradientType;
1272
1273        // Don't let the range of [0,255] come back in [0,1].
1274        // Potentially lose a little bit of precision here, but will fix issues where
1275        // .5 gets interpreted as half of the total, instead of half of 1
1276        // If it was supposed to be 128, this was already taken care of by `inputToRgb`
1277        if (this._r < 1) { this._r = mathRound(this._r); }
1278        if (this._g < 1) { this._g = mathRound(this._g); }
1279        if (this._b < 1) { this._b = mathRound(this._b); }
1280
1281        this._ok = rgb.ok;
1282        this._tc_id = tinyCounter++;
1283    };
1284
1285    tinycolor.prototype = {
1286        isDark: function() {
1287            return this.getBrightness() < 128;
1288        },
1289        isLight: function() {
1290            return !this.isDark();
1291        },
1292        isValid: function() {
1293            return this._ok;
1294        },
1295        getOriginalInput: function() {
1296          return this._originalInput;
1297        },
1298        getFormat: function() {
1299            return this._format;
1300        },
1301        getAlpha: function() {
1302            return this._a;
1303        },
1304        getBrightness: function() {
1305            var rgb = this.toRgb();
1306            return (rgb.r * 299 + rgb.g * 587 + rgb.b * 114) / 1000;
1307        },
1308        setAlpha: function(value) {
1309            this._a = boundAlpha(value);
1310            this._roundA = mathRound(100*this._a) / 1
vendor: 34,532 bytes, lines 1310-2345
131000;
1311            return this;
1312        },
1313        toHsv: function() {
1314            var hsv = rgbToHsv(this._r, this._g, this._b);
1315            return { h: hsv.h * 360, s: hsv.s, v: hsv.v, a: this._a };
1316        },
1317        toHsvString: function() {
1318            var hsv = rgbToHsv(this._r, this._g, this._b);
1319            var h = mathRound(hsv.h * 360), s = mathRound(hsv.s * 100), v = mathRound(hsv.v * 100);
1320            return (this._a == 1) ?
1321              "hsv("  + h + ", " + s + "%, " + v + "%)" :
1322              "hsva(" + h + ", " + s + "%, " + v + "%, "+ this._roundA + ")";
1323        },
1324        toHsl: function() {
1325            var hsl = rgbToHsl(this._r, this._g, this._b);
1326            return { h: hsl.h * 360, s: hsl.s, l: hsl.l, a: this._a };
1327        },
1328        toHslString: function() {
1329            var hsl = rgbToHsl(this._r, this._g, this._b);
1330            var h = mathRound(hsl.h * 360), s = mathRound(hsl.s * 100), l = mathRound(hsl.l * 100);
1331            return (this._a == 1) ?
1332              "hsl("  + h + ", " + s + "%, " + l + "%)" :
1333              "hsla(" + h + ", " + s + "%, " + l + "%, "+ this._roundA + ")";
1334        },
1335        toHex: function(allow3Char) {
1336            return rgbToHex(this._r, this._g, this._b, allow3Char);
1337        },
1338        toHexString: function(allow3Char) {
1339            return '#' + this.toHex(allow3Char);
1340        },
1341        toHex8: function() {
1342            return rgbaToHex(this._r, this._g, this._b, this._a);
1343        },
1344        toHex8String: function() {
1345            return '#' + this.toHex8();
1346        },
1347        toRgb: function() {
1348            return { r: mathRound(this._r), g: mathRound(this._g), b: mathRound(this._b), a: this._a };
1349        },
1350        toRgbString: function() {
1351            return (this._a == 1) ?
1352              "rgb("  + mathRound(this._r) + ", " + mathRound(this._g) + ", " + mathRound(this._b) + ")" :
1353              "rgba(" + mathRound(this._r) + ", " + mathRound(this._g) + ", " + mathRound(this._b) + ", " + this._roundA + ")";
1354        },
1355        toPercentageRgb: function() {
1356            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 };
1357        },
1358        toPercentageRgbString: function() {
1359            return (this._a == 1) ?
1360              "rgb("  + mathRound(bound01(this._r, 255) * 100) + "%, " + mathRound(bound01(this._g, 255) * 100) + "%, " + mathRound(bound01(this._b, 255) * 100) + "%)" :
1361              "rgba(" + mathRound(bound01(this._r, 255) * 100) + "%, " + mathRound(bound01(this._g, 255) * 100) + "%, " + mathRound(bound01(this._b, 255) * 100) + "%, " + this._roundA + ")";
1362        },
1363        toName: function() {
1364            if (this._a === 0) {
1365                return "transparent";
1366            }
1367
1368            if (this._a < 1) {
1369                return false;
1370            }
1371
1372            return hexNames[rgbToHex(this._r, this._g, this._b, true)] || false;
1373        },
1374        toFilter: function(secondColor) {
1375            var hex8String = '#' + rgbaToHex(this._r, this._g, this._b, this._a);
1376            var secondHex8String = hex8String;
1377            var gradientType = this._gradientType ? "GradientType = 1, " : "";
1378
1379            if (secondColor) {
1380                var s = tinycolor(secondColor);
1381                secondHex8String = s.toHex8String();
1382            }
1383
1384            return "progid:DXImageTransform.Microsoft.gradient("+gradientType+"startColorstr="+hex8String+",endColorstr="+secondHex8String+")";
1385        },
1386        toString: function(format) {
1387            var formatSet = !!format;
1388            format = format || this._format;
1389
1390            var formattedString = false;
1391            var hasAlpha = this._a < 1 && this._a >= 0;
1392            var needsAlphaFormat = !formatSet && hasAlpha && (format === "hex" || format === "hex6" || format === "hex3" || format === "name");
1393
1394            if (needsAlphaFormat) {
1395                // Special case for "transparent", all other non-alpha formats
1396                // will return rgba when there is transparency.
1397                if (format === "name" && this._a === 0) {
1398                    return this.toName();
1399                }
1400                return this.toRgbString();
1401            }
1402            if (format === "rgb") {
1403                formattedString = this.toRgbString();
1404            }
1405            if (format === "prgb") {
1406                formattedString = this.toPercentageRgbString();
1407            }
1408            if (format === "hex" || format === "hex6") {
1409                formattedString = this.toHexString();
1410            }
1411            if (format === "hex3") {
1412                formattedString = this.toHexString(true);
1413            }
1414            if (format === "hex8") {
1415                formattedString = this.toHex8String();
1416            }
1417            if (format === "name") {
1418                formattedString = this.toName();
1419            }
1420            if (format === "hsl") {
1421                formattedString = this.toHslString();
1422            }
1423            if (format === "hsv") {
1424                formattedString = this.toHsvString();
1425            }
1426
1427            return formattedString || this.toHexString();
1428        },
1429
1430        _applyModification: function(fn, args) {
1431            var color = fn.apply(null, [this].concat([].slice.call(args)));
1432            this._r = color._r;
1433            this._g = color._g;
1434            this._b = color._b;
1435            this.setAlpha(color._a);
1436            return this;
1437        },
1438        lighten: function() {
1439            return this._applyModification(lighten, arguments);
1440        },
1441        brighten: function() {
1442            return this._applyModification(brighten, arguments);
1443        },
1444        darken: function() {
1445            return this._applyModification(darken, arguments);
1446        },
1447        desaturate: function() {
1448            return this._applyModification(desaturate, arguments);
1449        },
1450        saturate: function() {
1451            return this._applyModification(saturate, arguments);
1452        },
1453        greyscale: function() {
1454            return this._applyModification(greyscale, arguments);
1455        },
1456        spin: function() {
1457            return this._applyModification(spin, arguments);
1458        },
1459
1460        _applyCombination: function(fn, args) {
1461            return fn.apply(null, [this].concat([].slice.call(args)));
1462        },
1463        analogous: function() {
1464            return this._applyCombination(analogous, arguments);
1465        },
1466        complement: function() {
1467            return this._applyCombination(complement, arguments);
1468        },
1469        monochromatic: function() {
1470            return this._applyCombination(monochromatic, arguments);
1471        },
1472        splitcomplement: function() {
1473            return this._applyCombination(splitcomplement, arguments);
1474        },
1475        triad: function() {
1476            return this._applyCombination(triad, arguments);
1477        },
1478        tetrad: function() {
1479            return this._applyCombination(tetrad, arguments);
1480        }
1481    };
1482
1483    // If input is an object, force 1 into "1.0" to handle ratios properly
1484    // String input requires "1.0" as input, so 1 will be treated as 1
1485    tinycolor.fromRatio = function(color, opts) {
1486        if (typeof color == "object") {
1487            var newColor = {};
1488            for (var i in color) {
1489                if (color.hasOwnProperty(i)) {
1490                    if (i === "a") {
1491                        newColor[i] = color[i];
1492                    }
1493                    else {
1494                        newColor[i] = convertToPercentage(color[i]);
1495                    }
1496                }
1497            }
1498            color = newColor;
1499        }
1500
1501        return tinycolor(color, opts);
1502    };
1503
1504    // Given a string or object, convert that input to RGB
1505    // Possible string inputs:
1506    //
1507    //     "red"
1508    //     "#f00" or "f00"
1509    //     "#ff0000" or "ff0000"
1510    //     "#ff000000" or "ff000000"
1511    //     "rgb 255 0 0" or "rgb (255, 0, 0)"
1512    //     "rgb 1.0 0 0" or "rgb (1, 0, 0)"
1513    //     "rgba (255, 0, 0, 1)" or "rgba 255, 0, 0, 1"
1514    //     "rgba (1.0, 0, 0, 1)" or "rgba 1.0, 0, 0, 1"
1515    //     "hsl(0, 100%, 50%)" or "hsl 0 100% 50%"
1516    //     "hsla(0, 100%, 50%, 1)" or "hsla 0 100% 50%, 1"
1517    //     "hsv(0, 100%, 100%)" or "hsv 0 100% 100%"
1518    //
1519    function inputToRGB(color) {
1520
1521        var rgb = { r: 0, g: 0, b: 0 };
1522        var a = 1;
1523        var ok = false;
1524        var format = false;
1525
1526        if (typeof color == "string") {
1527            color = stringInputToObject(color);
1528        }
1529
1530        if (typeof color == "object") {
1531            if (color.hasOwnProperty("r") && color.hasOwnProperty("g") && color.hasOwnProperty("b")) {
1532                rgb = rgbToRgb(color.r, color.g, color.b);
1533                ok = true;
1534                format = String(color.r).substr(-1) === "%" ? "prgb" : "rgb";
1535            }
1536            else if (color.hasOwnProperty("h") && color.hasOwnProperty("s") && color.hasOwnProperty("v")) {
1537                color.s = convertToPercentage(color.s);
1538                color.v = convertToPercentage(color.v);
1539                rgb = hsvToRgb(color.h, color.s, color.v);
1540                ok = true;
1541                format = "hsv";
1542            }
1543            else if (color.hasOwnProperty("h") && color.hasOwnProperty("s") && color.hasOwnProperty("l")) {
1544                color.s = convertToPercentage(color.s);
1545                color.l = convertToPercentage(color.l);
1546                rgb = hslToRgb(color.h, color.s, color.l);
1547                ok = true;
1548                format = "hsl";
1549            }
1550
1551            if (color.hasOwnProperty("a")) {
1552                a = color.a;
1553            }
1554        }
1555
1556        a = boundAlpha(a);
1557
1558        return {
1559            ok: ok,
1560            format: color.format || format,
1561            r: mathMin(255, mathMax(rgb.r, 0)),
1562            g: mathMin(255, mathMax(rgb.g, 0)),
1563            b: mathMin(255, mathMax(rgb.b, 0)),
1564            a: a
1565        };
1566    }
1567
1568
1569    // Conversion Functions
1570    // --------------------
1571
1572    // `rgbToHsl`, `rgbToHsv`, `hslToRgb`, `hsvToRgb` modified from:
1573    // <http://mjijackson.com/2008/02/rgb-to-hsl-and-rgb-to-hsv-color-model-conversion-algorithms-in-javascript>
1574
1575    // `rgbToRgb`
1576    // Handle bounds / percentage checking to conform to CSS color spec
1577    // <http://www.w3.org/TR/css3-color/>
1578    // *Assumes:* r, g, b in [0, 255] or [0, 1]
1579    // *Returns:* { r, g, b } in [0, 255]
1580    function rgbToRgb(r, g, b){
1581        return {
1582            r: bound01(r, 255) * 255,
1583            g: bound01(g, 255) * 255,
1584            b: bound01(b, 255) * 255
1585        };
1586    }
1587
1588    // `rgbToHsl`
1589    // Converts an RGB color value to HSL.
1590    // *Assumes:* r, g, and b are contained in [0, 255] or [0, 1]
1591    // *Returns:* { h, s, l } in [0,1]
1592    function rgbToHsl(r, g, b) {
1593
1594        r = bound01(r, 255);
1595        g = bound01(g, 255);
1596        b = bound01(b, 255);
1597
1598        var max = mathMax(r, g, b), min = mathMin(r, g, b);
1599        var h, s, l = (max + min) / 2;
1600
1601        if(max == min) {
1602            h = s = 0; // achromatic
1603        }
1604        else {
1605            var d = max - min;
1606            s = l > 0.5 ? d / (2 - max - min) : d / (max + min);
1607            switch(max) {
1608                case r: h = (g - b) / d + (g < b ? 6 : 0); break;
1609                case g: h = (b - r) / d + 2; break;
1610                case b: h = (r - g) / d + 4; break;
1611            }
1612
1613            h /= 6;
1614        }
1615
1616        return { h: h, s: s, l: l };
1617    }
1618
1619    // `hslToRgb`
1620    // Converts an HSL color value to RGB.
1621    // *Assumes:* h is contained in [0, 1] or [0, 360] and s and l are contained [0, 1] or [0, 100]
1622    // *Returns:* { r, g, b } in the set [0, 255]
1623    function hslToRgb(h, s, l) {
1624        var r, g, b;
1625
1626        h = bound01(h, 360);
1627        s = bound01(s, 100);
1628        l = bound01(l, 100);
1629
1630        function hue2rgb(p, q, t) {
1631            if(t < 0) t += 1;
1632            if(t > 1) t -= 1;
1633            if(t < 1/6) return p + (q - p) * 6 * t;
1634            if(t < 1/2) return q;
1635            if(t < 2/3) return p + (q - p) * (2/3 - t) * 6;
1636            return p;
1637        }
1638
1639        if(s === 0) {
1640            r = g = b = l; // achromatic
1641        }
1642        else {
1643            var q = l < 0.5 ? l * (1 + s) : l + s - l * s;
1644            var p = 2 * l - q;
1645            r = hue2rgb(p, q, h + 1/3);
1646            g = hue2rgb(p, q, h);
1647            b = hue2rgb(p, q, h - 1/3);
1648        }
1649
1650        return { r: r * 255, g: g * 255, b: b * 255 };
1651    }
1652
1653    // `rgbToHsv`
1654    // Converts an RGB color value to HSV
1655    // *Assumes:* r, g, and b are contained in the set [0, 255] or [0, 1]
1656    // *Returns:* { h, s, v } in [0,1]
1657    function rgbToHsv(r, g, b) {
1658
1659        r = bound01(r, 255);
1660        g = bound01(g, 255);
1661        b = bound01(b, 255);
1662
1663        var max = mathMax(r, g, b), min = mathMin(r, g, b);
1664        var h, s, v = max;
1665
1666        var d = max - min;
1667        s = max === 0 ? 0 : d / max;
1668
1669        if(max == min) {
1670            h = 0; // achromatic
1671        }
1672        else {
1673            switch(max) {
1674                case r: h = (g - b) / d + (g < b ? 6 : 0); break;
1675                case g: h = (b - r) / d + 2; break;
1676                case b: h = (r - g) / d + 4; break;
1677            }
1678            h /= 6;
1679        }
1680        return { h: h, s: s, v: v };
1681    }
1682
1683    // `hsvToRgb`
1684    // Converts an HSV color value to RGB.
1685    // *Assumes:* h is contained in [0, 1] or [0, 360] and s and v are contained in [0, 1] or [0, 100]
1686    // *Returns:* { r, g, b } in the set [0, 255]
1687     function hsvToRgb(h, s, v) {
1688
1689        h = bound01(h, 360) * 6;
1690        s = bound01(s, 100);
1691        v = bound01(v, 100);
1692
1693        var i = math.floor(h),
1694            f = h - i,
1695            p = v * (1 - s),
1696            q = v * (1 - f * s),
1697            t = v * (1 - (1 - f) * s),
1698            mod = i % 6,
1699            r = [v, q, p, p, t, v][mod],
1700            g = [t, v, v, q, p, p][mod],
1701            b = [p, p, t, v, v, q][mod];
1702
1703        return { r: r * 255, g: g * 255, b: b * 255 };
1704    }
1705
1706    // `rgbToHex`
1707    // Converts an RGB color to hex
1708    // Assumes r, g, and b are contained in the set [0, 255]
1709    // Returns a 3 or 6 character hex
1710    function rgbToHex(r, g, b, allow3Char) {
1711
1712        var hex = [
1713            pad2(mathRound(r).toString(16)),
1714            pad2(mathRound(g).toString(16)),
1715            pad2(mathRound(b).toString(16))
1716        ];
1717
1718        // Return a 3 character hex if possible
1719        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)) {
1720            return hex[0].charAt(0) + hex[1].charAt(0) + hex[2].charAt(0);
1721        }
1722
1723        return hex.join("");
1724    }
1725        // `rgbaToHex`
1726        // Converts an RGBA color plus alpha transparency to hex
1727        // Assumes r, g, b and a are contained in the set [0, 255]
1728        // Returns an 8 character hex
1729        function rgbaToHex(r, g, b, a) {
1730
1731            var hex = [
1732                pad2(convertDecimalToHex(a)),
1733                pad2(mathRound(r).toString(16)),
1734                pad2(mathRound(g).toString(16)),
1735                pad2(mathRound(b).toString(16))
1736            ];
1737
1738            return hex.join("");
1739        }
1740
1741    // `equals`
1742    // Can be called with any tinycolor input
1743    tinycolor.equals = function (color1, color2) {
1744        if (!color1 || !color2) { return false; }
1745        return tinycolor(color1).toRgbString() == tinycolor(color2).toRgbString();
1746    };
1747    tinycolor.random = function() {
1748        return tinycolor.fromRatio({
1749            r: mathRandom(),
1750            g: mathRandom(),
1751            b: mathRandom()
1752        });
1753    };
1754
1755
1756    // Modification Functions
1757    // ----------------------
1758    // Thanks to less.js for some of the basics here
1759    // <https://github.com/cloudhead/less.js/blob/master/lib/less/functions.js>
1760
1761    function desaturate(color, amount) {
1762        amount = (amount === 0) ? 0 : (amount || 10);
1763        var hsl = tinycolor(color).toHsl();
1764        hsl.s -= amount / 100;
1765        hsl.s = clamp01(hsl.s);
1766        return tinycolor(hsl);
1767    }
1768
1769    function saturate(color, amount) {
1770        amount = (amount === 0) ? 0 : (amount || 10);
1771        var hsl = tinycolor(color).toHsl();
1772        hsl.s += amount / 100;
1773        hsl.s = clamp01(hsl.s);
1774        return tinycolor(hsl);
1775    }
1776
1777    function greyscale(color) {
1778        return tinycolor(color).desaturate(100);
1779    }
1780
1781    function lighten (color, amount) {
1782        amount = (amount === 0) ? 0 : (amount || 10);
1783        var hsl = tinycolor(color).toHsl();
1784        hsl.l += amount / 100;
1785        hsl.l = clamp01(hsl.l);
1786        return tinycolor(hsl);
1787    }
1788
1789    function brighten(color, amount) {
1790        amount = (amount === 0) ? 0 : (amount || 10);
1791        var rgb = tinycolor(color).toRgb();
1792        rgb.r = mathMax(0, mathMin(255, rgb.r - mathRound(255 * - (amount / 100))));
1793        rgb.g = mathMax(0, mathMin(255, rgb.g - mathRound(255 * - (amount / 100))));
1794        rgb.b = mathMax(0, mathMin(255, rgb.b - mathRound(255 * - (amount / 100))));
1795        return tinycolor(rgb);
1796    }
1797
1798    function darken (color, amount) {
1799        amount = (amount === 0) ? 0 : (amount || 10);
1800        var hsl = tinycolor(color).toHsl();
1801        hsl.l -= amount / 100;
1802        hsl.l = clamp01(hsl.l);
1803        return tinycolor(hsl);
1804    }
1805
1806    // Spin takes a positive or negative amount within [-360, 360] indicating the change of hue.
1807    // Values outside of this range will be wrapped into this range.
1808    function spin(color, amount) {
1809        var hsl = tinycolor(color).toHsl();
1810        var hue = (mathRound(hsl.h) + amount) % 360;
1811        hsl.h = hue < 0 ? 360 + hue : hue;
1812        return tinycolor(hsl);
1813    }
1814
1815    // Combination Functions
1816    // ---------------------
1817    // Thanks to jQuery xColor for some of the ideas behind these
1818    // <https://github.com/infusion/jQuery-xcolor/blob/master/jquery.xcolor.js>
1819
1820    function complement(color) {
1821        var hsl = tinycolor(color).toHsl();
1822        hsl.h = (hsl.h + 180) % 360;
1823        return tinycolor(hsl);
1824    }
1825
1826    function triad(color) {
1827        var hsl = tinycolor(color).toHsl();
1828        var h = hsl.h;
1829        return [
1830            tinycolor(color),
1831            tinycolor({ h: (h + 120) % 360, s: hsl.s, l: hsl.l }),
1832            tinycolor({ h: (h + 240) % 360, s: hsl.s, l: hsl.l })
1833        ];
1834    }
1835
1836    function tetrad(color) {
1837        var hsl = tinycolor(color).toHsl();
1838        var h = hsl.h;
1839        return [
1840            tinycolor(color),
1841            tinycolor({ h: (h + 90) % 360, s: hsl.s, l: hsl.l }),
1842            tinycolor({ h: (h + 180) % 360, s: hsl.s, l: hsl.l }),
1843            tinycolor({ h: (h + 270) % 360, s: hsl.s, l: hsl.l })
1844        ];
1845    }
1846
1847    function splitcomplement(color) {
1848        var hsl = tinycolor(color).toHsl();
1849        var h = hsl.h;
1850        return [
1851            tinycolor(color),
1852            tinycolor({ h: (h + 72) % 360, s: hsl.s, l: hsl.l}),
1853            tinycolor({ h: (h + 216) % 360, s: hsl.s, l: hsl.l})
1854        ];
1855    }
1856
1857    function analogous(color, results, slices) {
1858        results = results || 6;
1859        slices = slices || 30;
1860
1861        var hsl = tinycolor(color).toHsl();
1862        var part = 360 / slices;
1863        var ret = [tinycolor(color)];
1864
1865        for (hsl.h = ((hsl.h - (part * results >> 1)) + 720) % 360; --results; ) {
1866            hsl.h = (hsl.h + part) % 360;
1867            ret.push(tinycolor(hsl));
1868        }
1869        return ret;
1870    }
1871
1872    function monochromatic(color, results) {
1873        results = results || 6;
1874        var hsv = tinycolor(color).toHsv();
1875        var h = hsv.h, s = hsv.s, v = hsv.v;
1876        var ret = [];
1877        var modification = 1 / results;
1878
1879        while (results--) {
1880            ret.push(tinycolor({ h: h, s: s, v: v}));
1881            v = (v + modification) % 1;
1882        }
1883
1884        return ret;
1885    }
1886
1887    // Utility Functions
1888    // ---------------------
1889
1890    tinycolor.mix = function(color1, color2, amount) {
1891        amount = (amount === 0) ? 0 : (amount || 50);
1892
1893        var rgb1 = tinycolor(color1).toRgb();
1894        var rgb2 = tinycolor(color2).toRgb();
1895
1896        var p = amount / 100;
1897        var w = p * 2 - 1;
1898        var a = rgb2.a - rgb1.a;
1899
1900        var w1;
1901
1902        if (w * a == -1) {
1903            w1 = w;
1904        } else {
1905            w1 = (w + a) / (1 + w * a);
1906        }
1907
1908        w1 = (w1 + 1) / 2;
1909
1910        var w2 = 1 - w1;
1911
1912        var rgba = {
1913            r: rgb2.r * w1 + rgb1.r * w2,
1914            g: rgb2.g * w1 + rgb1.g * w2,
1915            b: rgb2.b * w1 + rgb1.b * w2,
1916            a: rgb2.a * p  + rgb1.a * (1 - p)
1917        };
1918
1919        return tinycolor(rgba);
1920    };
1921
1922
1923    // Readability Functions
1924    // ---------------------
1925    // <http://www.w3.org/TR/AERT#color-contrast>
1926
1927    // `readability`
1928    // Analyze the 2 colors and returns an object with the following properties:
1929    //    `brightness`: difference in brightness between the two colors
1930    //    `color`: difference in color/hue between the two colors
1931    tinycolor.readability = function(color1, color2) {
1932        var c1 = tinycolor(color1);
1933        var c2 = tinycolor(color2);
1934        var rgb1 = c1.toRgb();
1935        var rgb2 = c2.toRgb();
1936        var brightnessA = c1.getBrightness();
1937        var brightnessB = c2.getBrightness();
1938        var colorDiff = (
1939            Math.max(rgb1.r, rgb2.r) - Math.min(rgb1.r, rgb2.r) +
1940            Math.max(rgb1.g, rgb2.g) - Math.min(rgb1.g, rgb2.g) +
1941            Math.max(rgb1.b, rgb2.b) - Math.min(rgb1.b, rgb2.b)
1942        );
1943
1944        return {
1945            brightness: Math.abs(brightnessA - brightnessB),
1946            color: colorDiff
1947        };
1948    };
1949
1950    // `readable`
1951    // http://www.w3.org/TR/AERT#color-contrast
1952    // Ensure that foreground and background color combinations provide sufficient contrast.
1953    // *Example*
1954    //    tinycolor.isReadable("#000", "#111") => false
1955    tinycolor.isReadable = function(color1, color2) {
1956        var readability = tinycolor.readability(color1, color2);
1957        return readability.brightness > 125 && readability.color > 500;
1958    };
1959
1960    // `mostReadable`
1961    // Given a base color and a list of possible foreground or background
1962    // colors for that base, returns the most readable color.
1963    // *Example*
1964    //    tinycolor.mostReadable("#123", ["#fff", "#000"]) => "#000"
1965    tinycolor.mostReadable = function(baseColor, colorList) {
1966        var bestColor = null;
1967        var bestScore = 0;
1968        var bestIsReadable = false;
1969        for (var i=0; i < colorList.length; i++) {
1970
1971            // We normalize both around the "acceptable" breaking point,
1972            // but rank brightness constrast higher than hue.
1973
1974            var readability = tinycolor.readability(baseColor, colorList[i]);
1975            var readable = readability.brightness > 125 && readability.color > 500;
1976            var score = 3 * (readability.brightness / 125) + (readability.color / 500);
1977
1978            if ((readable && ! bestIsReadable) ||
1979                (readable && bestIsReadable && score > bestScore) ||
1980                ((! readable) && (! bestIsReadable) && score > bestScore)) {
1981                bestIsReadable = readable;
1982                bestScore = score;
1983                bestColor = tinycolor(colorList[i]);
1984            }
1985        }
1986        return bestColor;
1987    };
1988
1989
1990    // Big List of Colors
1991    // ------------------
1992    // <http://www.w3.org/TR/css3-color/#svg-color>
1993    var names = tinycolor.names = {
1994        aliceblue: "f0f8ff",
1995        antiquewhite: "faebd7",
1996        aqua: "0ff",
1997        aquamarine: "7fffd4",
1998        azure: "f0ffff",
1999        beige: "f5f5dc",
2000        bisque: "ffe4c4",
2001        black: "000",
2002        blanchedalmond: "ffebcd",
2003        blue: "00f",
2004        blueviolet: "8a2be2",
2005        brown: "a52a2a",
2006        burlywood: "deb887",
2007        burntsienna: "ea7e5d",
2008        cadetblue: "5f9ea0",
2009        chartreuse: "7fff00",
2010        chocolate: "d2691e",
2011        coral: "ff7f50",
2012        cornflowerblue: "6495ed",
2013        cornsilk: "fff8dc",
2014        crimson: "dc143c",
2015        cyan: "0ff",
2016        darkblue: "00008b",
2017        darkcyan: "008b8b",
2018        darkgoldenrod: "b8860b",
2019        darkgray: "a9a9a9",
2020        darkgreen: "006400",
2021        darkgrey: "a9a9a9",
2022        darkkhaki: "bdb76b",
2023        darkmagenta: "8b008b",
2024        darkolivegreen: "556b2f",
2025        darkorange: "ff8c00",
2026        darkorchid: "9932cc",
2027        darkred: "8b0000",
2028        darksalmon: "e9967a",
2029        darkseagreen: "8fbc8f",
2030        darkslateblue: "483d8b",
2031        darkslategray: "2f4f4f",
2032        darkslategrey: "2f4f4f",
2033        darkturquoise: "00ced1",
2034        darkviolet: "9400d3",
2035        deeppink: "ff1493",
2036        deepskyblue: "00bfff",
2037        dimgray: "696969",
2038        dimgrey: "696969",
2039        dodgerblue: "1e90ff",
2040        firebrick: "b22222",
2041        floralwhite: "fffaf0",
2042        forestgreen: "228b22",
2043        fuchsia: "f0f",
2044        gainsboro: "dcdcdc",
2045        ghostwhite: "f8f8ff",
2046        gold: "ffd700",
2047        goldenrod: "daa520",
2048        gray: "808080",
2049        green: "008000",
2050        greenyellow: "adff2f",
2051        grey: "808080",
2052        honeydew: "f0fff0",
2053        hotpink: "ff69b4",
2054        indianred: "cd5c5c",
2055        indigo: "4b0082",
2056        ivory: "fffff0",
2057        khaki: "f0e68c",
2058        lavender: "e6e6fa",
2059        lavenderblush: "fff0f5",
2060        lawngreen: "7cfc00",
2061        lemonchiffon: "fffacd",
2062        lightblue: "add8e6",
2063        lightcoral: "f08080",
2064        lightcyan: "e0ffff",
2065        lightgoldenrodyellow: "fafad2",
2066        lightgray: "d3d3d3",
2067        lightgreen: "90ee90",
2068        lightgrey: "d3d3d3",
2069        lightpink: "ffb6c1",
2070        lightsalmon: "ffa07a",
2071        lightseagreen: "20b2aa",
2072        lightskyblue: "87cefa",
2073        lightslategray: "789",
2074        lightslategrey: "789",
2075        lightsteelblue: "b0c4de",
2076        lightyellow: "ffffe0",
2077        lime: "0f0",
2078        limegreen: "32cd32",
2079        linen: "faf0e6",
2080        magenta: "f0f",
2081        maroon: "800000",
2082        mediumaquamarine: "66cdaa",
2083        mediumblue: "0000cd",
2084        mediumorchid: "ba55d3",
2085        mediumpurple: "9370db",
2086        mediumseagreen: "3cb371",
2087        mediumslateblue: "7b68ee",
2088        mediumspringgreen: "00fa9a",
2089        mediumturquoise: "48d1cc",
2090        mediumvioletred: "c71585",
2091        midnightblue: "191970",
2092        mintcream: "f5fffa",
2093        mistyrose: "ffe4e1",
2094        moccasin: "ffe4b5",
2095        navajowhite: "ffdead",
2096        navy: "000080",
2097        oldlace: "fdf5e6",
2098        olive: "808000",
2099        olivedrab: "6b8e23",
2100        orange: "ffa500",
2101        orangered: "ff4500",
2102        orchid: "da70d6",
2103        palegoldenrod: "eee8aa",
2104        palegreen: "98fb98",
2105        paleturquoise: "afeeee",
2106        palevioletred: "db7093",
2107        papayawhip: "ffefd5",
2108        peachpuff: "ffdab9",
2109        peru: "cd853f",
2110        pink: "ffc0cb",
2111        plum: "dda0dd",
2112        powderblue: "b0e0e6",
2113        purple: "800080",
2114        rebeccapurple: "663399",
2115        red: "f00",
2116        rosybrown: "bc8f8f",
2117        royalblue: "4169e1",
2118        saddlebrown: "8b4513",
2119        salmon: "fa8072",
2120        sandybrown: "f4a460",
2121        seagreen: "2e8b57",
2122        seashell: "fff5ee",
2123        sienna: "a0522d",
2124        silver: "c0c0c0",
2125        skyblue: "87ceeb",
2126        slateblue: "6a5acd",
2127        slategray: "708090",
2128        slategrey: "708090",
2129        snow: "fffafa",
2130        springgreen: "00ff7f",
2131        steelblue: "4682b4",
2132        tan: "d2b48c",
2133        teal: "008080",
2134        thistle: "d8bfd8",
2135        tomato: "ff6347",
2136        turquoise: "40e0d0",
2137        violet: "ee82ee",
2138        wheat: "f5deb3",
2139        white: "fff",
2140        whitesmoke: "f5f5f5",
2141        yellow: "ff0",
2142        yellowgreen: "9acd32"
2143    };
2144
2145    // Make it easy to access colors via `hexNames[hex]`
2146    var hexNames = tinycolor.hexNames = flip(names);
2147
2148
2149    // Utilities
2150    // ---------
2151
2152    // `{ 'name1': 'val1' }` becomes `{ 'val1': 'name1' }`
2153    function flip(o) {
2154        var flipped = { };
2155        for (var i in o) {
2156            if (o.hasOwnProperty(i)) {
2157                flipped[o[i]] = i;
2158            }
2159        }
2160        return flipped;
2161    }
2162
2163    // Return a valid alpha value [0,1] with all invalid values being set to 1
2164    function boundAlpha(a) {
2165        a = parseFloat(a);
2166
2167        if (isNaN(a) || a < 0 || a > 1) {
2168            a = 1;
2169        }
2170
2171        return a;
2172    }
2173
2174    // Take input from [0, n] and return it as [0, 1]
2175    function bound01(n, max) {
2176        if (isOnePointZero(n)) { n = "100%"; }
2177
2178        var processPercent = isPercentage(n);
2179        n = mathMin(max, mathMax(0, parseFloat(n)));
2180
2181        // Automatically convert percentage into number
2182        if (processPercent) {
2183            n = parseInt(n * max, 10) / 100;
2184        }
2185
2186        // Handle floating point rounding errors
2187        if ((math.abs(n - max) < 0.000001)) {
2188            return 1;
2189        }
2190
2191        // Convert into [0, 1] range if it isn't already
2192        return (n % max) / parseFloat(max);
2193    }
2194
2195    // Force a number between 0 and 1
2196    function clamp01(val) {
2197        return mathMin(1, mathMax(0, val));
2198    }
2199
2200    // Parse a base-16 hex value into a base-10 integer
2201    function parseIntFromHex(val) {
2202        return parseInt(val, 16);
2203    }
2204
2205    // Need to handle 1.0 as 100%, since once it is a number, there is no difference between it and 1
2206    // <http://stackoverflow.com/questions/7422072/javascript-how-to-detect-number-as-a-decimal-including-1-0>
2207    function isOnePointZero(n) {
2208        return typeof n == "string" && n.indexOf('.') != -1 && parseFloat(n) === 1;
2209    }
2210
2211    // Check to see if string passed in is a percentage
2212    function isPercentage(n) {
2213        return typeof n === "string" && n.indexOf('%') != -1;
2214    }
2215
2216    // Force a hex value to have 2 characters
2217    function pad2(c) {
2218        return c.length == 1 ? '0' + c : '' + c;
2219    }
2220
2221    // Replace a decimal with it's percentage value
2222    function convertToPercentage(n) {
2223        if (n <= 1) {
2224            n = (n * 100) + "%";
2225        }
2226
2227        return n;
2228    }
2229
2230    // Converts a decimal to a hex value
2231    function convertDecimalToHex(d) {
2232        return Math.round(parseFloat(d) * 255).toString(16);
2233    }
2234    // Converts a hex value to a decimal
2235    function convertHexToDecimal(h) {
2236        return (parseIntFromHex(h) / 255);
2237    }
2238
2239    var matchers = (function() {
2240
2241        // <http://www.w3.org/TR/css3-values/#integers>
2242        var CSS_INTEGER = "[-\\+]?\\d+%?";
2243
2244        // <http://www.w3.org/TR/css3-values/#number-value>
2245        var CSS_NUMBER = "[-\\+]?\\d*\\.\\d+%?";
2246
2247        // Allow positive/negative integer/number.  Don't capture the either/or, just the entire outcome.
2248        var CSS_UNIT = "(?:" + CSS_NUMBER + ")|(?:" + CSS_INTEGER + ")";
2249
2250        // Actual matching.
2251        // Parentheses and commas are optional, but not required.
2252        // Whitespace can take the place of commas or opening paren
2253        var PERMISSIVE_MATCH3 = "[\\s|\\(]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")\\s*\\)?";
2254        var PERMISSIVE_MATCH4 = "[\\s|\\(]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")\\s*\\)?";
2255
2256        return {
2257            rgb: new RegExp("rgb" + PERMISSIVE_MATCH3),
2258            rgba: new RegExp("rgba" + PERMISSIVE_MATCH4),
2259            hsl: new RegExp("hsl" + PERMISSIVE_MATCH3),
2260            hsla: new RegExp("hsla" + PERMISSIVE_MATCH4),
2261            hsv: new RegExp("hsv" + PERMISSIVE_MATCH3),
2262            hsva: new RegExp("hsva" + PERMISSIVE_MATCH4),
2263            hex3: /^([0-9a-fA-F]{1})([0-9a-fA-F]{1})([0-9a-fA-F]{1})$/,
2264            hex6: /^([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})$/,
2265            hex8: /^([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})$/
2266        };
2267    })();
2268
2269    // `stringInputToObject`
2270    // Permissive string parsing.  Take in a number of formats, and output an object
2271    // based on detected format.  Returns `{ r, g, b }` or `{ h, s, l }` or `{ h, s, v}`
2272    function stringInputToObject(color) {
2273
2274        color = color.replace(trimLeft,'').replace(trimRight, '').toLowerCase();
2275        var named = false;
2276        if (names[color]) {
2277            color = names[color];
2278            named = true;
2279        }
2280        else if (color == 'transparent') {
2281            return { r: 0, g: 0, b: 0, a: 0, format: "name" };
2282        }
2283
2284        // Try to match string input using regular expressions.
2285        // Keep most of the number bounding out of this function - don't worry about [0,1] or [0,100] or [0,360]
2286        // Just return an object and let the conversion functions handle that.
2287        // This way the result will be the same whether the tinycolor is initialized with string or object.
2288        var match;
2289        if ((match = matchers.rgb.exec(color))) {
2290            return { r: match[1], g: match[2], b: match[3] };
2291        }
2292        if ((match = matchers.rgba.exec(color))) {
2293            return { r: match[1], g: match[2], b: match[3], a: match[4] };
2294        }
2295        if ((match = matchers.hsl.exec(color))) {
2296            return { h: match[1], s: match[2], l: match[3] };
2297        }
2298        if ((match = matchers.hsla.exec(color))) {
2299            return { h: match[1], s: match[2], l: match[3], a: match[4] };
2300        }
2301        if ((match = matchers.hsv.exec(color))) {
2302            return { h: match[1], s: match[2], v: match[3] };
2303        }
2304        if ((match = matchers.hsva.exec(color))) {
2305            return { h: match[1], s: match[2], v: match[3], a: match[4] };
2306        }
2307        if ((match = matchers.hex8.exec(color))) {
2308            return {
2309                a: convertHexToDecimal(match[1]),
2310                r: parseIntFromHex(match[2]),
2311                g: parseIntFromHex(match[3]),
2312                b: parseIntFromHex(match[4]),
2313                format: named ? "name" : "hex8"
2314            };
2315        }
2316        if ((match = matchers.hex6.exec(color))) {
2317            return {
2318                r: parseIntFromHex(match[1]),
2319                g: parseIntFromHex(match[2]),
2320                b: parseIntFromHex(match[3]),
2321                format: named ? "name" : "hex"
2322            };
2323        }
2324        if ((match = matchers.hex3.exec(color))) {
2325            return {
2326                r: parseIntFromHex(match[1] + '' + match[1]),
2327                g: parseIntFromHex(match[2] + '' + match[2]),
2328                b: parseIntFromHex(match[3] + '' + match[3]),
2329                format: named ? "name" : "hex"
2330            };
2331        }
2332
2333        return false;
2334    }
2335
2336    window.tinycolor = tinycolor;
2337    })();
2338
2339    $(function () {
2340        if ($.fn.spectrum.load) {
2341            $.fn.spectrum.processNativeColorInputs();
2342        }
2343    });
2344
2345});

Line numbers count LF bytes from the start of the resource, as the search results do. Vendor segments are library code the classifier recognised; they are stored but not indexed. Bytes are shown as Latin1 characters, one per byte.