--- /dev/null
+/*!
+ * jQuery Color Animations v@VERSION
+ * https://github.com/jquery/jquery-color
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ *
+ * Date: @DATE
+ */
+
+(function( root, factory ) {
+ if ( typeof define === "function" && define.amd) {
+
+ // AMD. Register as an anonymous module.
+ define( [ "jquery" ], factory);
+ } else if ( typeof exports === "object" ) {
+ module.exports = factory( require( "jquery" ) );
+ } else {
+ factory( root.jQuery );
+ }
+})( this, function( jQuery, undefined ) {
+
+ var stepHooks = "backgroundColor borderBottomColor borderLeftColor borderRightColor borderTopColor color columnRuleColor outlineColor textDecorationColor textEmphasisColor",
+
+ // plusequals test for += 100 -= 100
+ rplusequals = /^([\-+])=\s*(\d+\.?\d*)/,
+ // a set of RE's that can match strings and generate color tuples.
+ stringParsers = [{
+ re: /rgba?\(\s*(\d{1,3})\s*,\s*(\d{1,3})\s*,\s*(\d{1,3})\s*(?:,\s*(\d?(?:\.\d+)?)\s*)?\)/,
+ parse: function( execResult ) {
+ return [
+ execResult[ 1 ],
+ execResult[ 2 ],
+ execResult[ 3 ],
+ execResult[ 4 ]
+ ];
+ }
+ }, {
+ re: /rgba?\(\s*(\d+(?:\.\d+)?)\%\s*,\s*(\d+(?:\.\d+)?)\%\s*,\s*(\d+(?:\.\d+)?)\%\s*(?:,\s*(\d?(?:\.\d+)?)\s*)?\)/,
+ parse: function( execResult ) {
+ return [
+ execResult[ 1 ] * 2.55,
+ execResult[ 2 ] * 2.55,
+ execResult[ 3 ] * 2.55,
+ execResult[ 4 ]
+ ];
+ }
+ }, {
+ // this regex ignores A-F because it's compared against an already lowercased string
+ re: /#([a-f0-9]{2})([a-f0-9]{2})([a-f0-9]{2})/,
+ parse: function( execResult ) {
+ return [
+ parseInt( execResult[ 1 ], 16 ),
+ parseInt( execResult[ 2 ], 16 ),
+ parseInt( execResult[ 3 ], 16 )
+ ];
+ }
+ }, {
+ // this regex ignores A-F because it's compared against an already lowercased string
+ re: /#([a-f0-9])([a-f0-9])([a-f0-9])/,
+ parse: function( execResult ) {
+ return [
+ parseInt( execResult[ 1 ] + execResult[ 1 ], 16 ),
+ parseInt( execResult[ 2 ] + execResult[ 2 ], 16 ),
+ parseInt( execResult[ 3 ] + execResult[ 3 ], 16 )
+ ];
+ }
+ }, {
+ re: /hsla?\(\s*(\d+(?:\.\d+)?)\s*,\s*(\d+(?:\.\d+)?)\%\s*,\s*(\d+(?:\.\d+)?)\%\s*(?:,\s*(\d?(?:\.\d+)?)\s*)?\)/,
+ space: "hsla",
+ parse: function( execResult ) {
+ return [
+ execResult[ 1 ],
+ execResult[ 2 ] / 100,
+ execResult[ 3 ] / 100,
+ execResult[ 4 ]
+ ];
+ }
+ }],
+
+ // jQuery.Color( )
+ color = jQuery.Color = function( color, green, blue, alpha ) {
+ return new jQuery.Color.fn.parse( color, green, blue, alpha );
+ },
+ spaces = {
+ rgba: {
+ props: {
+ red: {
+ idx: 0,
+ type: "byte"
+ },
+ green: {
+ idx: 1,
+ type: "byte"
+ },
+ blue: {
+ idx: 2,
+ type: "byte"
+ }
+ }
+ },
+
+ hsla: {
+ props: {
+ hue: {
+ idx: 0,
+ type: "degrees"
+ },
+ saturation: {
+ idx: 1,
+ type: "percent"
+ },
+ lightness: {
+ idx: 2,
+ type: "percent"
+ }
+ }
+ }
+ },
+ propTypes = {
+ "byte": {
+ floor: true,
+ max: 255
+ },
+ "percent": {
+ max: 1
+ },
+ "degrees": {
+ mod: 360,
+ floor: true
+ }
+ },
+ support = color.support = {},
+
+ // element for support tests
+ supportElem = jQuery( "<p>" )[ 0 ],
+
+ // colors = jQuery.Color.names
+ colors,
+
+ // local aliases of functions called often
+ each = jQuery.each;
+
+// determine rgba support immediately
+supportElem.style.cssText = "background-color:rgba(1,1,1,.5)";
+support.rgba = supportElem.style.backgroundColor.indexOf( "rgba" ) > -1;
+
+// define cache name and alpha properties
+// for rgba and hsla spaces
+each( spaces, function( spaceName, space ) {
+ space.cache = "_" + spaceName;
+ space.props.alpha = {
+ idx: 3,
+ type: "percent",
+ def: 1
+ };
+});
+
+function clamp( value, prop, allowEmpty ) {
+ var type = propTypes[ prop.type ] || {};
+
+ if ( value == null ) {
+ return (allowEmpty || !prop.def) ? null : prop.def;
+ }
+
+ // ~~ is an short way of doing floor for positive numbers
+ value = type.floor ? ~~value : parseFloat( value );
+
+ // IE will pass in empty strings as value for alpha,
+ // which will hit this case
+ if ( isNaN( value ) ) {
+ return prop.def;
+ }
+
+ if ( type.mod ) {
+ // we add mod before modding to make sure that negatives values
+ // get converted properly: -10 -> 350
+ return (value + type.mod) % type.mod;
+ }
+
+ // for now all property types without mod have min and max
+ return 0 > value ? 0 : type.max < value ? type.max : value;
+}
+
+function stringParse( string ) {
+ var inst = color(),
+ rgba = inst._rgba = [];
+
+ string = string.toLowerCase();
+
+ each( stringParsers, function( i, parser ) {
+ var parsed,
+ match = parser.re.exec( string ),
+ values = match && parser.parse( match ),
+ spaceName = parser.space || "rgba";
+
+ if ( values ) {
+ parsed = inst[ spaceName ]( values );
+
+ // if this was an rgba parse the assignment might happen twice
+ // oh well....
+ inst[ spaces[ spaceName ].cache ] = parsed[ spaces[ spaceName ].cache ];
+ rgba = inst._rgba = parsed._rgba;
+
+ // exit each( stringParsers ) here because we matched
+ return false;
+ }
+ });
+
+ // Found a stringParser that handled it
+ if ( rgba.length ) {
+
+ // if this came from a parsed string, force "transparent" when alpha is 0
+ // chrome, (and maybe others) return "transparent" as rgba(0,0,0,0)
+ if ( rgba.join() === "0,0,0,0" ) {
+ jQuery.extend( rgba, colors.transparent );
+ }
+ return inst;
+ }
+
+ // named colors
+ return colors[ string ];
+}
+
+color.fn = jQuery.extend( color.prototype, {
+ parse: function( red, green, blue, alpha ) {
+ if ( red === undefined ) {
+ this._rgba = [ null, null, null, null ];
+ return this;
+ }
+ if ( red.jquery || red.nodeType ) {
+ red = jQuery( red ).css( green );
+ green = undefined;
+ }
+
+ var inst = this,
+ type = jQuery.type( red ),
+ rgba = this._rgba = [];
+
+ // more than 1 argument specified - assume ( red, green, blue, alpha )
+ if ( green !== undefined ) {
+ red = [ red, green, blue, alpha ];
+ type = "array";
+ }
+
+ if ( type === "string" ) {
+ return this.parse( stringParse( red ) || colors._default );
+ }
+
+ if ( type === "array" ) {
+ each( spaces.rgba.props, function( key, prop ) {
+ rgba[ prop.idx ] = clamp( red[ prop.idx ], prop );
+ });
+ return this;
+ }
+
+ if ( type === "object" ) {
+ if ( red instanceof color ) {
+ each( spaces, function( spaceName, space ) {
+ if ( red[ space.cache ] ) {
+ inst[ space.cache ] = red[ space.cache ].slice();
+ }
+ });
+ } else {
+ each( spaces, function( spaceName, space ) {
+ var cache = space.cache;
+ each( space.props, function( key, prop ) {
+
+ // if the cache doesn't exist, and we know how to convert
+ if ( !inst[ cache ] && space.to ) {
+
+ // if the value was null, we don't need to copy it
+ // if the key was alpha, we don't need to copy it either
+ if ( key === "alpha" || red[ key ] == null ) {
+ return;
+ }
+ inst[ cache ] = space.to( inst._rgba );
+ }
+
+ // this is the only case where we allow nulls for ALL properties.
+ // call clamp with alwaysAllowEmpty
+ inst[ cache ][ prop.idx ] = clamp( red[ key ], prop, true );
+ });
+
+ // everything defined but alpha?
+ if ( inst[ cache ] && jQuery.inArray( null, inst[ cache ].slice( 0, 3 ) ) < 0 ) {
+ // use the default of 1
+ inst[ cache ][ 3 ] = 1;
+ if ( space.from ) {
+ inst._rgba = space.from( inst[ cache ] );
+ }
+ }
+ });
+ }
+ return this;
+ }
+ },
+ is: function( compare ) {
+ var is = color( compare ),
+ same = true,
+ inst = this;
+
+ each( spaces, function( _, space ) {
+ var localCache,
+ isCache = is[ space.cache ];
+ if (isCache) {
+ localCache = inst[ space.cache ] || space.to && space.to( inst._rgba ) || [];
+ each( space.props, function( _, prop ) {
+ if ( isCache[ prop.idx ] != null ) {
+ same = ( isCache[ prop.idx ] === localCache[ prop.idx ] );
+ return same;
+ }
+ });
+ }
+ return same;
+ });
+ return same;
+ },
+ _space: function() {
+ var used = [],
+ inst = this;
+ each( spaces, function( spaceName, space ) {
+ if ( inst[ space.cache ] ) {
+ used.push( spaceName );
+ }
+ });
+ return used.pop();
+ },
+ transition: function( other, distance ) {
+ var end = color( other ),
+ spaceName = end._space(),
+ space = spaces[ spaceName ],
+ startColor = this.alpha() === 0 ? color( "transparent" ) : this,
+ start = startColor[ space.cache ] || space.to( startColor._rgba ),
+ result = start.slice();
+
+ end = end[ space.cache ];
+ each( space.props, function( key, prop ) {
+ var index = prop.idx,
+ startValue = start[ index ],
+ endValue = end[ index ],
+ type = propTypes[ prop.type ] || {};
+
+ // if null, don't override start value
+ if ( endValue === null ) {
+ return;
+ }
+ // if null - use end
+ if ( startValue === null ) {
+ result[ index ] = endValue;
+ } else {
+ if ( type.mod ) {
+ if ( endValue - startValue > type.mod / 2 ) {
+ startValue += type.mod;
+ } else if ( startValue - endValue > type.mod / 2 ) {
+ startValue -= type.mod;
+ }
+ }
+ result[ index ] = clamp( ( endValue - startValue ) * distance + startValue, prop );
+ }
+ });
+ return this[ spaceName ]( result );
+ },
+ blend: function( opaque ) {
+ // if we are already opaque - return ourself
+ if ( this._rgba[ 3 ] === 1 ) {
+ return this;
+ }
+
+ var rgb = this._rgba.slice(),
+ a = rgb.pop(),
+ blend = color( opaque )._rgba;
+
+ return color( jQuery.map( rgb, function( v, i ) {
+ return ( 1 - a ) * blend[ i ] + a * v;
+ }));
+ },
+ toRgbaString: function() {
+ var prefix = "rgba(",
+ rgba = jQuery.map( this._rgba, function( v, i ) {
+ return v == null ? ( i > 2 ? 1 : 0 ) : v;
+ });
+
+ if ( rgba[ 3 ] === 1 ) {
+ rgba.pop();
+ prefix = "rgb(";
+ }
+
+ return prefix + rgba.join() + ")";
+ },
+ toHslaString: function() {
+ var prefix = "hsla(",
+ hsla = jQuery.map( this.hsla(), function( v, i ) {
+ if ( v == null ) {
+ v = i > 2 ? 1 : 0;
+ }
+
+ // catch 1 and 2
+ if ( i && i < 3 ) {
+ v = Math.round( v * 100 ) + "%";
+ }
+ return v;
+ });
+
+ if ( hsla[ 3 ] === 1 ) {
+ hsla.pop();
+ prefix = "hsl(";
+ }
+ return prefix + hsla.join() + ")";
+ },
+ toHexString: function( includeAlpha ) {
+ var rgba = this._rgba.slice(),
+ alpha = rgba.pop();
+
+ if ( includeAlpha ) {
+ rgba.push( ~~( alpha * 255 ) );
+ }
+
+ return "#" + jQuery.map( rgba, function( v ) {
+
+ // default to 0 when nulls exist
+ v = ( v || 0 ).toString( 16 );
+ return v.length === 1 ? "0" + v : v;
+ }).join("");
+ },
+ toString: function() {
+ return this._rgba[ 3 ] === 0 ? "transparent" : this.toRgbaString();
+ }
+});
+color.fn.parse.prototype = color.fn;
+
+// hsla conversions adapted from:
+// https://code.google.com/p/maashaack/source/browse/packages/graphics/trunk/src/graphics/colors/HUE2RGB.as?r=5021
+
+function hue2rgb( p, q, h ) {
+ h = ( h + 1 ) % 1;
+ if ( h * 6 < 1 ) {
+ return p + (q - p) * h * 6;
+ }
+ if ( h * 2 < 1) {
+ return q;
+ }
+ if ( h * 3 < 2 ) {
+ return p + (q - p) * ((2/3) - h) * 6;
+ }
+ return p;
+}
+
+spaces.hsla.to = function ( rgba ) {
+ if ( rgba[ 0 ] == null || rgba[ 1 ] == null || rgba[ 2 ] == null ) {
+ return [ null, null, null, rgba[ 3 ] ];
+ }
+ var r = rgba[ 0 ] / 255,
+ g = rgba[ 1 ] / 255,
+ b = rgba[ 2 ] / 255,
+ a = rgba[ 3 ],
+ max = Math.max( r, g, b ),
+ min = Math.min( r, g, b ),
+ diff = max - min,
+ add = max + min,
+ l = add * 0.5,
+ h, s;
+
+ if ( min === max ) {
+ h = 0;
+ } else if ( r === max ) {
+ h = ( 60 * ( g - b ) / diff ) + 360;
+ } else if ( g === max ) {
+ h = ( 60 * ( b - r ) / diff ) + 120;
+ } else {
+ h = ( 60 * ( r - g ) / diff ) + 240;
+ }
+
+ // chroma (diff) == 0 means greyscale which, by definition, saturation = 0%
+ // otherwise, saturation is based on the ratio of chroma (diff) to lightness (add)
+ if ( diff === 0 ) {
+ s = 0;
+ } else if ( l <= 0.5 ) {
+ s = diff / add;
+ } else {
+ s = diff / ( 2 - add );
+ }
+ return [ Math.round(h) % 360, s, l, a == null ? 1 : a ];
+};
+
+spaces.hsla.from = function ( hsla ) {
+ if ( hsla[ 0 ] == null || hsla[ 1 ] == null || hsla[ 2 ] == null ) {
+ return [ null, null, null, hsla[ 3 ] ];
+ }
+ var h = hsla[ 0 ] / 360,
+ s = hsla[ 1 ],
+ l = hsla[ 2 ],
+ a = hsla[ 3 ],
+ q = l <= 0.5 ? l * ( 1 + s ) : l + s - l * s,
+ p = 2 * l - q;
+
+ return [
+ Math.round( hue2rgb( p, q, h + ( 1 / 3 ) ) * 255 ),
+ Math.round( hue2rgb( p, q, h ) * 255 ),
+ Math.round( hue2rgb( p, q, h - ( 1 / 3 ) ) * 255 ),
+ a
+ ];
+};
+
+
+each( spaces, function( spaceName, space ) {
+ var props = space.props,
+ cache = space.cache,
+ to = space.to,
+ from = space.from;
+
+ // makes rgba() and hsla()
+ color.fn[ spaceName ] = function( value ) {
+
+ // generate a cache for this space if it doesn't exist
+ if ( to && !this[ cache ] ) {
+ this[ cache ] = to( this._rgba );
+ }
+ if ( value === undefined ) {
+ return this[ cache ].slice();
+ }
+
+ var ret,
+ type = jQuery.type( value ),
+ arr = ( type === "array" || type === "object" ) ? value : arguments,
+ local = this[ cache ].slice();
+
+ each( props, function( key, prop ) {
+ var val = arr[ type === "object" ? key : prop.idx ];
+ if ( val == null ) {
+ val = local[ prop.idx ];
+ }
+ local[ prop.idx ] = clamp( val, prop );
+ });
+
+ if ( from ) {
+ ret = color( from( local ) );
+ ret[ cache ] = local;
+ return ret;
+ } else {
+ return color( local );
+ }
+ };
+
+ // makes red() green() blue() alpha() hue() saturation() lightness()
+ each( props, function( key, prop ) {
+ // alpha is included in more than one space
+ if ( color.fn[ key ] ) {
+ return;
+ }
+ color.fn[ key ] = function( value ) {
+ var vtype = jQuery.type( value ),
+ fn = ( key === "alpha" ? ( this._hsla ? "hsla" : "rgba" ) : spaceName ),
+ local = this[ fn ](),
+ cur = local[ prop.idx ],
+ match;
+
+ if ( vtype === "undefined" ) {
+ return cur;
+ }
+
+ if ( vtype === "function" ) {
+ value = value.call( this, cur );
+ vtype = jQuery.type( value );
+ }
+ if ( value == null && prop.empty ) {
+ return this;
+ }
+ if ( vtype === "string" ) {
+ match = rplusequals.exec( value );
+ if ( match ) {
+ value = cur + parseFloat( match[ 2 ] ) * ( match[ 1 ] === "+" ? 1 : -1 );
+ }
+ }
+ local[ prop.idx ] = value;
+ return this[ fn ]( local );
+ };
+ });
+});
+
+// add cssHook and .fx.step function for each named hook.
+// accept a space separated string of properties
+color.hook = function( hook ) {
+ var hooks = hook.split( " " );
+ each( hooks, function( i, hook ) {
+ jQuery.cssHooks[ hook ] = {
+ set: function( elem, value ) {
+ var parsed, curElem,
+ backgroundColor = "";
+
+ if ( value !== "transparent" && ( jQuery.type( value ) !== "string" || ( parsed = stringParse( value ) ) ) ) {
+ value = color( parsed || value );
+ if ( !support.rgba && value._rgba[ 3 ] !== 1 ) {
+ curElem = hook === "backgroundColor" ? elem.parentNode : elem;
+ while (
+ (backgroundColor === "" || backgroundColor === "transparent") &&
+ curElem && curElem.style
+ ) {
+ try {
+ backgroundColor = jQuery.css( curElem, "backgroundColor" );
+ curElem = curElem.parentNode;
+ } catch ( e ) {
+ }
+ }
+
+ value = value.blend( backgroundColor && backgroundColor !== "transparent" ?
+ backgroundColor :
+ "_default" );
+ }
+
+ value = value.toRgbaString();
+ }
+ try {
+ elem.style[ hook ] = value;
+ } catch( e ) {
+ // wrapped to prevent IE from throwing errors on "invalid" values like 'auto' or 'inherit'
+ }
+ }
+ };
+ jQuery.fx.step[ hook ] = function( fx ) {
+ if ( !fx.colorInit ) {
+ fx.start = color( fx.elem, hook );
+ fx.end = color( fx.end );
+ fx.colorInit = true;
+ }
+ jQuery.cssHooks[ hook ].set( fx.elem, fx.start.transition( fx.end, fx.pos ) );
+ };
+ });
+
+};
+
+color.hook( stepHooks );
+
+jQuery.cssHooks.borderColor = {
+ expand: function( value ) {
+ var expanded = {};
+
+ each( [ "Top", "Right", "Bottom", "Left" ], function( i, part ) {
+ expanded[ "border" + part + "Color" ] = value;
+ });
+ return expanded;
+ }
+};
+
+// Basic color names only.
+// Usage of any of the other color names requires adding yourself or including
+// jquery.color.svg-names.js.
+colors = jQuery.Color.names = {
+ // 4.1. Basic color keywords
+ aqua: "#00ffff",
+ black: "#000000",
+ blue: "#0000ff",
+ fuchsia: "#ff00ff",
+ gray: "#808080",
+ green: "#008000",
+ lime: "#00ff00",
+ maroon: "#800000",
+ navy: "#000080",
+ olive: "#808000",
+ purple: "#800080",
+ red: "#ff0000",
+ silver: "#c0c0c0",
+ teal: "#008080",
+ white: "#ffffff",
+ yellow: "#ffff00",
+
+ // 4.2.3. "transparent" color keyword
+ transparent: [ null, null, null, 0 ],
+
+ _default: "#ffffff"
+};
+
+});
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