// Licensed to the Apache Software Foundation (ASF) under one

// or more contributor license agreements. See the NOTICE file

// distributed with this work for additional information

// regarding copyright ownership. The ASF licenses this file

// to you under the Apache License, Version 2.0 (the

// "License"); you may not use this file except in compliance

// with the License. You may obtain a copy of the License at

//

// http://www.apache.org/licenses/LICENSE-2.0

//

// Unless required by applicable law or agreed to in writing,

// software distributed under the License is distributed on an

// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

// KIND, either express or implied. See the License for the

// specific language governing permissions and limitations

// under the License.

@primary-color: #1890ff;

/* stylelint-disable at-rule-empty-line-before,at-rule-name-space-after,at-rule-no-unknown */

/* stylelint-disable no-duplicate-selectors */

/* stylelint-disable */

.bezierEasingMixin() {

@functions: ~`(function() {

var NEWTON_ITERATIONS = 4;

var NEWTON_MIN_SLOPE = 0.001;

var SUBDIVISION_PRECISION = 0.0000001;

var SUBDIVISION_MAX_ITERATIONS = 10;

var kSplineTableSize = 11;

var kSampleStepSize = 1.0 / (kSplineTableSize - 1.0);

var float32ArraySupported = typeof Float32Array === 'function';

function A (aA1, aA2) { return 1.0 - 3.0 * aA2 + 3.0 * aA1; }

function B (aA1, aA2) { return 3.0 * aA2 - 6.0 * aA1; }

function C (aA1) { return 3.0 * aA1; }

// Returns x(t) given t, x1, and x2, or y(t) given t, y1, and y2.

function calcBezier (aT, aA1, aA2) { return ((A(aA1, aA2) * aT + B(aA1, aA2)) * aT + C(aA1)) * aT; }

// Returns dx/dt given t, x1, and x2, or dy/dt given t, y1, and y2.

function getSlope (aT, aA1, aA2) { return 3.0 * A(aA1, aA2) * aT * aT + 2.0 * B(aA1, aA2) * aT + C(aA1); }

function binarySubdivide (aX, aA, aB, mX1, mX2) {

var currentX, currentT, i = 0;

do {

currentT = aA + (aB - aA) / 2.0;

currentX = calcBezier(currentT, mX1, mX2) - aX;

if (currentX > 0.0) {

aB = currentT;

} else {

aA = currentT;

}

} while (Math.abs(currentX) > SUBDIVISION_PRECISION && ++i < SUBDIVISION_MAX_ITERATIONS);

return currentT;

}

function newtonRaphsonIterate (aX, aGuessT, mX1, mX2) {

for (var i = 0; i < NEWTON_ITERATIONS; ++i) {

var currentSlope = getSlope(aGuessT, mX1, mX2);

if (currentSlope === 0.0) {

return aGuessT;

}

var currentX = calcBezier(aGuessT, mX1, mX2) - aX;

aGuessT -= currentX / currentSlope;

}

return aGuessT;

}

var BezierEasing = function (mX1, mY1, mX2, mY2) {

if (!(0 <= mX1 && mX1 <= 1 && 0 <= mX2 && mX2 <= 1)) {

throw new Error('bezier x values must be in [0, 1] range');

}

// Precompute samples table

var sampleValues = float32ArraySupported ? new Float32Array(kSplineTableSize) : new Array(kSplineTableSize);

if (mX1 !== mY1 || mX2 !== mY2) {

for (var i = 0; i < kSplineTableSize; ++i) {

sampleValues[i] = calcBezier(i * kSampleStepSize, mX1, mX2);

}

}

function getTForX (aX) {

var intervalStart = 0.0;

var currentSample = 1;

var lastSample = kSplineTableSize - 1;

for (; currentSample !== lastSample && sampleValues[currentSample] <= aX; ++currentSample) {

intervalStart += kSampleStepSize;

}

--currentSample;

// Interpolate to provide an initial guess for t

var dist = (aX - sampleValues[currentSample]) / (sampleValues[currentSample + 1] - sampleValues[currentSample]);

var guessForT = intervalStart + dist * kSampleStepSize;

var initialSlope = getSlope(guessForT, mX1, mX2);

if (initialSlope >= NEWTON_MIN_SLOPE) {

return newtonRaphsonIterate(aX, guessForT, mX1, mX2);

} else if (initialSlope === 0.0) {

return guessForT;

} else {

return binarySubdivide(aX, intervalStart, intervalStart + kSampleStepSize, mX1, mX2);

}

}

return function BezierEasing (x) {

if (mX1 === mY1 && mX2 === mY2) {

return x; // linear

}

// Because JavaScript number are imprecise, we should guarantee the extremes are right.

if (x === 0) {

return 0;

}

if (x === 1) {

return 1;

}

return calcBezier(getTForX(x), mY1, mY2);

};

};

this.colorEasing = BezierEasing(0.26, 0.09, 0.37, 0.18);

// less 3 requires a return

return '';

})()`;

}

// It is hacky way to make this function will be compiled preferentially by less

// resolve error: `ReferenceError: colorPalette is not defined`

// https://github.com/ant-design/ant-motion/issues/44

.bezierEasingMixin();

/* stylelint-disable declaration-bang-space-before,no-duplicate-selectors,string-no-newline */

.tinyColorMixin() {

@functions: ~`(function() {

// TinyColor v1.4.1

// https://github.com/bgrins/TinyColor

// 2016-07-07, Brian Grinstead, MIT License

var trimLeft = /^\s+/,

trimRight = /\s+$/,

tinyCounter = 0,

mathRound = Math.round,

mathMin = Math.min,

mathMax = Math.max,

mathRandom = Math.random;

function tinycolor (color, opts) {

color = (color) ? color : '';

opts = opts || { };

// If input is already a tinycolor, return itself

if (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() {

//http://www.w3.org/TR/AERT#color-contrast

var rgb = this.toRgb();

return (rgb.r * 299 + rgb.g * 587 + rgb.b * 114) / 1000;

},

getLuminance: function() {

//http://www.w3.org/TR/2008/REC-WCAG20-20081211/#relativeluminancedef

var rgb = this.toRgb();

var RsRGB, GsRGB, BsRGB, R, G, B;

RsRGB = rgb.r/255;

GsRGB = rgb.g/255;

BsRGB = rgb.b/255;

if (RsRGB <= 0.03928) {R = RsRGB / 12.92;} else {R = Math.pow(((RsRGB + 0.055) / 1.055), 2.4);}

if (GsRGB <= 0.03928) {G = GsRGB / 12.92;} else {G = Math.pow(((GsRGB + 0.055) / 1.055), 2.4);}

if (BsRGB <= 0.03928) {B = BsRGB / 12.92;} else {B = Math.pow(((BsRGB + 0.055) / 1.055), 2.4);}

return (0.2126 * R) + (0.7152 * G) + (0.0722 * B);

},

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(allow4Char) {

return rgbaToHex(this._r, this._g, this._b, this._a, allow4Char);

},

toHex8String: function(allow4Char) {

return '#' + this.toHex8(allow4Char);

},

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 = '#' + rgbaToArgbHex(this._r, this._g, this._b, this._a);

var secondHex8String = hex8String;

var gradientType = this._gradientType ? "GradientType = 1, " : "";

if (secondColor) {

var s = tinycolor(secondColor);

secondHex8String = '#' + rgbaToArgbHex(s._r, s._g, s._b, s._a);

}

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 === "hex4" || format === "hex8" || 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 === "hex4") {

formattedString = this.toHex8String(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();

},

clone: function() {

return tinycolor(this.toString());

},

_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 s = null;

var v = null;

var l = null;

var ok = false;

var format = false;

if (typeof color == "string") {

color = stringInputToObject(color);

}

if (typeof color == "object") {

if (isValidCSSUnit(color.r) && isValidCSSUnit(color.g) && isValidCSSUnit(color.b)) {

rgb = rgbToRgb(color.r, color.g, color.b);

ok = true;

format = String(color.r).substr(-1) === "%" ? "prgb" : "rgb";

}

else if (isValidCSSUnit(color.h) && isValidCSSUnit(color.s) && isValidCSSUnit(color.v)) {

s = convertToPercentage(color.s);

v = convertToPercentage(color.v);

rgb = hsvToRgb(color.h, s, v);

ok = true;

format = "hsv";

}

else if (isValidCSSUnit(color.h) && isValidCSSUnit(color.s) && isValidCSSUnit(color.l)) {

s = convertToPercentage(color.s);

l = convertToPercentage(color.l);

rgb = hslToRgb(color.h, s, 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 are contained in the set [0, 255] and

// a in [0, 1]. Returns a 4 or 8 character rgba hex

function rgbaToHex(r, g, b, a, allow4Char) {

var hex = [

pad2(mathRound(r).toString(16)),

pad2(mathRound(g).toString(16)),

pad2(mathRound(b).toString(16)),

pad2(convertDecimalToHex(a))

];

// Return a 4 character hex if possible

if (allow4Char && hex[0].charAt(0) == hex[0].charAt(1) && hex[1].charAt(0) == hex[1].charAt(1) && hex[2].charAt(0) == hex[2].charAt(1) && hex[3].charAt(0) == hex[3].charAt(1)) {

return hex[0].charAt(0) + hex[1].charAt(0) + hex[2].charAt(0) + hex[3].charAt(0);

}

return hex.join("");

}

// rgbaToArgbHex

// Converts an RGBA color to an ARGB Hex8 string

// Rarely used, but required for "toFilter()"

function rgbaToArgbHex(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 = (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 rgba = {

r: ((rgb2.r - rgb1.r) * p) + rgb1.r,

g: ((rgb2.g - rgb1.g) * p) + rgb1.g,

b: ((rgb2.b - rgb1.b) * p) + rgb1.b,

a: ((rgb2.a - rgb1.a) * p) + rgb1.a

};

return tinycolor(rgba);

};

// Readability Functions

// ---------------------

// <http://www.w3.org/TR/2008/REC-WCAG20-20081211/#contrast-ratiodef (WCAG Version 2)

// contrast

// Analyze the 2 colors and returns the color contrast defined by (WCAG Version 2)

tinycolor.readability = function(color1, color2) {

var c1 = tinycolor(color1);

var c2 = tinycolor(color2);

return (Math.max(c1.getLuminance(),c2.getLuminance())+0.05) / (Math.min(c1.getLuminance(),c2.getLuminance())+0.05);

};

// isReadable

// Ensure that foreground and background color combinations meet WCAG2 guidelines.

// The third argument is an optional Object.

// the 'level' property states 'AA' or 'AAA' - if missing or invalid, it defaults to 'AA';

// the 'size' property states 'large' or 'small' - if missing or invalid, it defaults to 'small'.

// If the entire object is absent, isReadable defaults to {level:"AA",size:"small"}.

// *Example*

// tinycolor.isReadable("#000", "#111") => false

// tinycolor.isReadable("#000", "#111",{level:"AA",size:"large"}) => false

tinycolor.isReadable = function(color1, color2, wcag2) {

var readability = tinycolor.readability(color1, color2);

var wcag2Parms, out;

out = false;

wcag2Parms = validateWCAG2Parms(wcag2);

switch (wcag2Parms.level + wcag2Parms.size) {

case "AAsmall":

case "AAAlarge":

out = readability >= 4.5;

break;

case "AAlarge":

out = readability >= 3;

break;

case "AAAsmall":

out = readability >= 7;

break;

}

return out;

};

// mostReadable

// Given a base color and a list of possible foreground or background

// colors for that base, returns the most readable color.

// Optionally returns Black or White if the most readable color is unreadable.

// *Example*

// tinycolor.mostReadable(tinycolor.mostReadable("#123", ["#124", "#125"],{includeFallbackColors:false}).toHexString(); // "#112255"

// tinycolor.mostReadable(tinycolor.mostReadable("#123", ["#124", "#125"],{includeFallbackColors:true}).toHexString(); // "#ffffff"

// tinycolor.mostReadable("#a8015a", ["#faf3f3"],{includeFallbackColors:true,level:"AAA",size:"large"}).toHexString(); // "#faf3f3"

// tinycolor.mostReadable("#a8015a", ["#faf3f3"],{includeFallbackColors:true,level:"AAA",size:"small"}).toHexString(); // "#ffffff"

tinycolor.mostReadable = function(baseColor, colorList, args) {

var bestColor = null;

var bestScore = 0;

var readability;

var includeFallbackColors, level, size ;

args = args || {};

includeFallbackColors = args.includeFallbackColors ;

level = args.level;

size = args.size;

for (var i= 0; i < colorList.length ; i++) {

readability = tinycolor.readability(baseColor, colorList[i]);

if (readability > bestScore) {

bestScore = readability;

bestColor = tinycolor(colorList[i]);

}

}

if (tinycolor.isReadable(baseColor, bestColor, {"level":level,"size":size}) || !includeFallbackColors) {

return bestColor;

}

else {

args.includeFallbackColors=false;

return tinycolor.mostReadable(baseColor,["#fff", "#000"],args);

}

};

// 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",