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File: jquery.farbtastic.min.js
jQuery.fn.farbtastic=function(a){jQuery.farbtastic(this,a);return this};jQuery.farbtastic=function(a,b){var a=jQuery(a).get(0);return a.farbtastic||(a.farbtastic=new jQuery._farbtastic(a,b))};jQuery._farbtastic=function(a,d){var b=this;jQuery(a).html('<div class="farbtastic"><div class="color"></div><div class="wheel"></div><div class="overlay"></div><div class="h-marker marker"></div><div class="sl-marker marker"></div></div>');var c=jQuery(".farbtastic",a);b.wheel=jQuery(".wheel",a).get(0);b.radius=84;b.square=100;b.width=194;if(navigator.appVersion.match(/MSIE [0-6]\./)){jQuery("*",c).each(function(){if(this.currentStyle.backgroundImage!="none"){var e=this.currentStyle.backgroundImage;e=this.currentStyle.backgroundImage.substring(5,e.length-2);jQuery(this).css({backgroundImage:"none",filter:"progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true, sizingMethod=crop, src='"+e+"')"})}})}b.linkTo=function(e){if(typeof b.callback=="object"){jQuery(b.callback).unbind("keyup",b.updateValue)}b.color=null;if(typeof e=="function"){b.callback=e}else{if(typeof e=="object"||typeof e=="string"){b.callback=jQuery(e);b.callback.bind("keyup",b.updateValue);if(b.callback.get(0).value){b.setColor(b.callback.get(0).value)}}}return this};b.updateValue=function(e){if(this.value&&this.value!=b.color){b.setColor(this.value)}};b.setColor=function(e){var f=b.unpack(e);if(b.color!=e&&f){b.color=e;b.rgb=f;b.hsl=b.RGBToHSL(b.rgb);b.updateDisplay()}return this};b.setHSL=function(e){b.hsl=e;b.rgb=b.HSLToRGB(e);b.color=b.pack(b.rgb);b.updateDisplay();return this};b.widgetCoords=function(i){var g,m;var h=i.target||i.srcElement;var f=b.wheel;if(typeof i.offsetX!="undefined"){var l={x:i.offsetX,y:i.offsetY};var j=h;while(j){j.mouseX=l.x;j.mouseY=l.y;l.x+=j.offsetLeft;l.y+=j.offsetTop;j=j.offsetParent}var j=f;var k={x:0,y:0};while(j){if(typeof j.mouseX!="undefined"){g=j.mouseX-k.x;m=j.mouseY-k.y;break}k.x+=j.offsetLeft;k.y+=j.offsetTop;j=j.offsetParent}j=h;while(j){j.mouseX=undefined;j.mouseY=undefined;j=j.offsetParent}}else{var l=b.absolutePosition(f);g=(i.pageX||0*(i.clientX+jQuery("html").get(0).scrollLeft))-l.x;m=(i.pageY||0*(i.clientY+jQuery("html").get(0).scrollTop))-l.y}return{x:g-b.width/2,y:m-b.width/2}};b.mousedown=function(e){if(!document.dragging){jQuery(document).bind("mousemove",b.mousemove).bind("mouseup",b.mouseup);document.dragging=true}var f=b.widgetCoords(e);b.circleDrag=Math.max(Math.abs(f.x),Math.abs(f.y))*2>b.square;b.mousemove(e);return false};b.mousemove=function(h){var i=b.widgetCoords(h);if(b.circleDrag){var g=Math.atan2(i.x,-i.y)/6.28;if(g<0){g+=1}b.setHSL([g,b.hsl[1],b.hsl[2]])}else{var f=Math.max(0,Math.min(1,-(i.x/b.square)+0.5));var e=Math.max(0,Math.min(1,-(i.y/b.square)+0.5));b.setHSL([b.hsl[0],f,e])}return false};b.mouseup=function(){jQuery(document).unbind("mousemove",b.mousemove);jQuery(document).unbind("mouseup",b.mouseup);document.dragging=false};b.updateDisplay=function(){var e=b.hsl[0]*6.28;jQuery(".h-marker",c).css({left:Math.round(Math.sin(e)*b.radius+b.width/2)+"px",top:Math.round(-Math.cos(e)*b.radius+b.width/2)+"px"});jQuery(".sl-marker",c).css({left:Math.round(b.square*(0.5-b.hsl[1])+b.width/2)+"px",top:Math.round(b.square*(0.5-b.hsl[2])+b.width/2)+"px"});jQuery(".color",c).css("backgroundColor",b.pack(b.HSLToRGB([b.hsl[0],1,0.5])));if(typeof b.callback=="object"){jQuery(b.callback).css({backgroundColor:b.color,color:b.hsl[2]>0.5?"#000":"#fff"});jQuery(b.callback).each(function(){if(this.value&&this.value!=b.color){this.value=b.color}})}else{if(typeof b.callback=="function"){b.callback.call(b,b.color)}}};b.absolutePosition=function(f){var g={x:f.offsetLeft,y:f.offsetTop};if(f.offsetParent){var e=b.absolutePosition(f.offsetParent);g.x+=e.x;g.y+=e.y}return g};b.pack=function(f){var i=Math.round(f[0]*255);var h=Math.round(f[1]*255);var e=Math.round(f[2]*255);return"#"+(i<16?"0":"")+i.toString(16)+(h<16?"0":"")+h.toString(16)+(e<16?"0":"")+e.toString(16)};b.unpack=function(e){if(e.length==7){return[parseInt("0x"+e.substring(1,3))/255,parseInt("0x"+e.substring(3,5))/255,parseInt("0x"+e.substring(5,7))/255]}else{if(e.length==4){return[parseInt("0x"+e.substring(1,2))/15,parseInt("0x"+e.substring(2,3))/15,parseInt("0x"+e.substring(3,4))/15]}}};b.HSLToRGB=function(m){var o,n,e,j,k;var i=m[0],p=m[1],f=m[2];n=(f<=0.5)?f*(p+1):f+p-f*p;o=f*2-n;return[this.hueToRGB(o,n,i+0.33333),this.hueToRGB(o,n,i),this.hueToRGB(o,n,i-0.33333)]};b.hueToRGB=function(f,e,g){g=(g<0)?g+1:((g>1)?g-1:g);if(g*6<1){return f+(e-f)*g*6}if(g*2<1){return e}if(g*3<2){return f+(e-f)*(0.66666-g)*6}return f};b.RGBToHSL=function(m){var i,o,p,j,q,f;var e=m[0],k=m[1],n=m[2];i=Math.min(e,Math.min(k,n));o=Math.max(e,Math.max(k,n));p=o-i;f=(i+o)/2;q=0;if(f>0&&f<1){q=p/(f<0.5?(2*f):(2-2*f))}j=0;if(p>0){if(o==e&&o!=k){j+=(k-n)/p}if(o==k&&o!=n){j+=(2+(n-e)/p)}if(o==n&&o!=e){j+=(4+(e-k)/p)}j/=6}return[j,q,f]};jQuery("*",c).mousedown(b.mousedown);b.setColor("#000000");if(d){b.linkTo(d)}};