Edit D:\AVA\AVAStandard\AVA.ResourcesPlatform.AdminUI\Tools\Jcrop\js\jquery.color.js

/*!
 * jQuery Color Animations v2.0pre
 * http://jquery.org/
 *
 * Copyright 2011 John Resig
 * Dual licensed under the MIT or GPL Version 2 licenses.
 * http://jquery.org/license
 */

(function( jQuery, undefined ){
	var stepHooks = "backgroundColor borderBottomColor borderLeftColor borderRightColor borderTopColor color outlineColor".split(" "),

// 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 [
						2.55 * execResult[1],
						2.55 * execResult[2],
						2.55 * execResult[3],
						execResult[ 4 ]
					];
				}
			}, {
				re: /#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})/,
				parse: function( execResult ) {
					return [
						parseInt( execResult[ 1 ], 16 ),
						parseInt( execResult[ 2 ], 16 ),
						parseInt( execResult[ 3 ], 16 )
					];
				}
			}, {
				re: /#([a-fA-F0-9])([a-fA-F0-9])([a-fA-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: {
				cache: "_rgba",
				props: {
					red: {
						idx: 0,
						type: "byte",
						empty: true
					},
					green: {
						idx: 1,
						type: "byte",
						empty: true
					},
					blue: {
						idx: 2,
						type: "byte",
						empty: true
					},
					alpha: {
						idx: 3,
						type: "percent",
						def: 1
					}
				}
			},
			hsla: {
				cache: "_hsla",
				props: {
					hue: {
						idx: 0,
						type: "degrees",
						empty: true
					},
					saturation: {
						idx: 1,
						type: "percent",
						empty: true
					},
					lightness: {
						idx: 2,
						type: "percent",
						empty: true
					}
				}
			}
		},
		propTypes = {
			"byte": {
				floor: true,
				min: 0,
				max: 255
			},
			"percent": {
				min: 0,
				max: 1
			},
			"degrees": {
				mod: 360,
				floor: true
			}
		},
		rgbaspace = spaces.rgba.props,
		support = color.support = {},

// colors = jQuery.Color.names
		colors,

// local aliases of functions called often
		each = jQuery.each;

spaces.hsla.props.alpha = rgbaspace.alpha;

function clamp( value, prop, alwaysAllowEmpty ) {
		var type = propTypes[ prop.type ] || {},
			allowEmpty = prop.empty || alwaysAllowEmpty;

if ( allowEmpty && value == null ) {
			return null;
		}
		if ( prop.def && value == null ) {
			return prop.def;
		}
		if ( type.floor ) {
			value = ~~value;
		} else {
			value = parseFloat( value );
		}
		if ( value == null || isNaN( value ) ) {
			return prop.def;
		}
		if ( type.mod ) {
			value = value % type.mod;
			// -10 -> 350
			return value < 0 ? type.mod + value : value;
		}

// for now all property types without mod have min and max
		return type.min > value ? type.min : type.max < value ? type.max : value;
	}

function stringParse( string ) {
		var inst = color(),
			rgba = inst._rgba = [];

string = string.toLowerCase();

each( stringParsers, function( i, parser ) {
			var match = parser.re.exec( string ),
				values = match && parser.parse( match ),
				parsed,
				spaceName = parser.space || "rgba",
				cache = spaces[ spaceName ].cache;

if ( values ) {
				parsed = inst[ spaceName ]( values );

// if this was an rgba parse the assignment might happen twice
				// oh well....
				inst[ cache ] = parsed[ cache ];
				rgba = inst._rgba = parsed._rgba;

// exit each( stringParsers ) here because we matched
				return false;
			}
		});

// Found a stringParser that handled it
		if ( rgba.length !== 0 ) {

// 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 ( Math.max.apply( Math, rgba ) === 0 ) {
				jQuery.extend( rgba, colors.transparent );
			}
			return inst;
		}

// named colors / default - filter back through parse function
		if ( string = colors[ string ] ) {
			return string;
		}
	}

color.fn = color.prototype = {
		constructor: color,
		parse: function( red, green, blue, alpha ) {
			if ( red === undefined ) {
				this._rgba = [ null, null, null, null ];
				return this;
			}
			if ( red instanceof jQuery || red.nodeType ) {
				red = red instanceof jQuery ? red.css( green ) : jQuery( red ).css( green );
				green = undefined;
			}

var inst = this,
				type = jQuery.type( red ),
				rgba = this._rgba = [],
				source;

// 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( rgbaspace, 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 ) {
						each( space.props, function( key, prop ) {
							var cache = space.cache;

// 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 ( red[ key ] == null || key === "alpha") {
									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 );
						});
					});
				}
				return this;
			}
		},
		is: function( compare ) {
			var is = color( compare ),
				same = true,
				myself = this;

each( spaces, function( _, space ) {
				var isCache = is[ space.cache ],
					localCache;
				if (isCache) {
					localCache = myself[ space.cache ] || space.to && space.to( myself._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 ],
				start = this[ space.cache ] || space.to( this._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[ prop.idx ] = 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, i ) {

// 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:
	// http://www.google.com/codesearch/p#OAMlx_jo-ck/src/third_party/WebKit/Source/WebCore/inspector/front-end/Color.js&d=7&l=193

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;
		}

if ( l === 0 || l === 1 ) {
			s = l;
		} 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,
			r, g, b;

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 type = jQuery.type( value ),
				arr = ( type === "array" || type === "object" ) ? value : arguments,
				local = this[ cache ].slice(),
				ret;

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 .fx.step functions
	each( stepHooks, function( i, hook ) {
		jQuery.cssHooks[ hook ] = {
			set: function( elem, value ) {
				var parsed, backgroundColor, curElem;

if ( jQuery.type( value ) !== 'string' || ( parsed = stringParse( value ) ) )
				{
					value = color( parsed || value );
					if ( !support.rgba && value._rgba[ 3 ] !== 1 ) {
						curElem = hook === "backgroundColor" ? elem.parentNode : elem;
						do {
							backgroundColor = jQuery.curCSS( curElem, "backgroundColor" );
						} while (
							( backgroundColor === "" || backgroundColor === "transparent" ) &&
							( curElem = curElem.parentNode ) &&
							curElem.style
						);

value = value.blend( backgroundColor && backgroundColor !== "transparent" ?
							backgroundColor :
							"_default" );
					}

value = value.toRgbaString();
				}
				elem.style[ hook ] = value;
			}
		};
		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 ) );
		};
	});

// detect rgba support
	jQuery(function() {
		var div = document.createElement( "div" ),
			div_style = div.style;

div_style.cssText = "background-color:rgba(1,1,1,.5)";
		support.rgba = div_style.backgroundColor.indexOf( "rgba" ) > -1;
	});

// Some named colors to work with
	// From Interface by Stefan Petre
	// http://interface.eyecon.ro/
	colors = jQuery.Color.names = {
		aqua: "#00ffff",
		azure: "#f0ffff",
		beige: "#f5f5dc",
		black: "#000000",
		blue: "#0000ff",
		brown: "#a52a2a",
		cyan: "#00ffff",
		darkblue: "#00008b",
		darkcyan: "#008b8b",
		darkgrey: "#a9a9a9",
		darkgreen: "#006400",
		darkkhaki: "#bdb76b",
		darkmagenta: "#8b008b",
		darkolivegreen: "#556b2f",
		darkorange: "#ff8c00",
		darkorchid: "#9932cc",
		darkred: "#8b0000",
		darksalmon: "#e9967a",
		darkviolet: "#9400d3",
		fuchsia: "#ff00ff",
		gold: "#ffd700",
		green: "#008000",
		indigo: "#4b0082",
		khaki: "#f0e68c",
		lightblue: "#add8e6",
		lightcyan: "#e0ffff",
		lightgreen: "#90ee90",
		lightgrey: "#d3d3d3",
		lightpink: "#ffb6c1",
		lightyellow: "#ffffe0",
		lime: "#00ff00",
		magenta: "#ff00ff",
		maroon: "#800000",
		navy: "#000080",
		olive: "#808000",
		orange: "#ffa500",
		pink: "#ffc0cb",
		purple: "#800080",
		violet: "#800080",
		red: "#ff0000",
		silver: "#c0c0c0",
		white: "#ffffff",
		yellow: "#ffff00",
		transparent: [ null, null, null, 0 ],
		_default: "#ffffff"
	};
})( jQuery );

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