Edit File: jquery.knob.min.js
!function(t){"object"==typeof exports?module.exports=t(require("jquery")):"function"==typeof define&&define.amd?define(["jquery"],t):t(jQuery)}(function(t){"use strict";var i={},s=Math.max,h=Math.min;i.c={},i.c.d=t(window.top.document),i.c.t=function(t){return t.originalEvent.touches.length-1},i.o=function(){var s=this;this.o=null,this.$=null,this.i=null,this.g=null,this.v=null,this.cv=null,this.x=0,this.y=0,this.w=0,this.h=0,this.$c=null,this.c=null,this.t=0,this.isInit=!1,this.fgColor=null,this.pColor=null,this.dH=null,this.cH=null,this.eH=null,this.rH=null,this.scale=1,this.relative=!1,this.relativeWidth=!1,this.relativeHeight=!1,this.$div=null,this.run=function(){var i=function(t,i){var h;for(h in i)s.o[h]=i[h];s._carve().init(),s._configure()._draw()};if(!this.$.data("kontroled")){if(this.$.data("kontroled",!0),this.extend(),this.o=t.extend({min:void 0!==this.$.data("min")?this.$.data("min"):0,max:void 0!==this.$.data("max")?this.$.data("max"):100,stopper:!0,readOnly:this.$.data("readonly")||"readonly"===this.$.attr("readonly"),cursor:!0===this.$.data("cursor")&&30||this.$.data("cursor")||0,thickness:this.$.data("thickness")&&Math.max(Math.min(this.$.data("thickness"),1),.01)||.35,lineCap:this.$.data("linecap")||"butt",width:this.$.data("width")||200,height:this.$.data("height")||200,displayInput:null==this.$.data("displayinput")||this.$.data("displayinput"),displayPrevious:this.$.data("displayprevious"),fgColor:this.$.data("fgcolor")||"#87CEEB",inputColor:this.$.data("inputcolor"),font:this.$.data("font")||"Arial",fontWeight:this.$.data("font-weight")||"bold",inline:!1,step:this.$.data("step")||1,rotation:this.$.data("rotation"),draw:null,change:null,cancel:null,release:null,format:function(t){return t},parse:function(t){return parseFloat(t)}},this.o),this.o.flip="anticlockwise"===this.o.rotation||"acw"===this.o.rotation,this.o.inputColor||(this.o.inputColor=this.o.fgColor),this.$.is("fieldset")?(this.v={},this.i=this.$.find("input"),this.i.each(function(i){var h=t(this);s.i[i]=h,s.v[i]=s.o.parse(h.val()),h.bind("change blur",function(){var t={};t[i]=h.val(),s.val(s._validate(t))})}),this.$.find("legend").remove()):(this.i=this.$,this.v=this.o.parse(this.$.val()),""===this.v&&(this.v=this.o.min),this.$.bind("change blur",function(){s.val(s._validate(s.o.parse(s.$.val())))})),!this.o.displayInput&&this.$.hide(),this.$c=t(document.createElement("canvas")).attr({width:this.o.width,height:this.o.height}),this.$div=t('<div style="'+(this.o.inline?"display:inline;":"")+"width:"+this.o.width+"px;height:"+this.o.height+'px;"></div>'),this.$.wrap(this.$div).before(this.$c),this.$div=this.$.parent(),"undefined"!=typeof G_vmlCanvasManager&&G_vmlCanvasManager.initElement(this.$c[0]),this.c=this.$c[0].getContext?this.$c[0].getContext("2d"):null,!this.c)throw{name:"CanvasNotSupportedException",message:"Canvas not supported. Please use excanvas on IE8.0.",toString:function(){return this.name+": "+this.message}};return this.scale=(window.devicePixelRatio||1)/(this.c.webkitBackingStorePixelRatio||this.c.mozBackingStorePixelRatio||this.c.msBackingStorePixelRatio||this.c.oBackingStorePixelRatio||this.c.backingStorePixelRatio||1),this.relativeWidth=this.o.width%1!=0&&this.o.width.indexOf("%"),this.relativeHeight=this.o.height%1!=0&&this.o.height.indexOf("%"),this.relative=this.relativeWidth||this.relativeHeight,this._carve(),this.v instanceof Object?(this.cv={},this.copy(this.v,this.cv)):this.cv=this.v,this.$.bind("configure",i).parent().bind("configure",i),this._listen()._configure()._xy().init(),this.isInit=!0,this.$.val(this.o.format(this.v)),this._draw(),this}},this._carve=function(){if(this.relative){var t=this.relativeWidth?this.$div.parent().width()*parseInt(this.o.width)/100:this.$div.parent().width(),i=this.relativeHeight?this.$div.parent().height()*parseInt(this.o.height)/100:this.$div.parent().height();this.w=this.h=Math.min(t,i)}else this.w=this.o.width,this.h=this.o.height;return this.$div.css({width:this.w+"px",height:this.h+"px"}),this.$c.attr({width:this.w,height:this.h}),1!==this.scale&&(this.$c[0].width=this.$c[0].width*this.scale,this.$c[0].height=this.$c[0].height*this.scale,this.$c.width(this.w),this.$c.height(this.h)),this},this._draw=function(){var t=!0;s.g=s.c,s.clear(),s.dH&&(t=s.dH()),!1!==t&&s.draw()},this._touch=function(t){var h=function(t){var i=s.xy2val(t.originalEvent.touches[s.t].pageX,t.originalEvent.touches[s.t].pageY);i!=s.cv&&(s.cH&&!1===s.cH(i)||(s.change(s._validate(i)),s._draw()))};return this.t=i.c.t(t),h(t),i.c.d.bind("touchmove.k",h).bind("touchend.k",function(){i.c.d.unbind("touchmove.k touchend.k"),s.val(s.cv)}),this},this._mouse=function(t){var h=function(t){var i=s.xy2val(t.pageX,t.pageY);i!=s.cv&&(s.cH&&!1===s.cH(i)||(s.change(s._validate(i)),s._draw()))};return h(t),i.c.d.bind("mousemove.k",h).bind("keyup.k",function(t){if(27===t.keyCode){if(i.c.d.unbind("mouseup.k mousemove.k keyup.k"),s.eH&&!1===s.eH())return;s.cancel()}}).bind("mouseup.k",function(t){i.c.d.unbind("mousemove.k mouseup.k keyup.k"),s.val(s.cv)}),this},this._xy=function(){var t=this.$c.offset();return this.x=t.left,this.y=t.top,this},this._listen=function(){return this.o.readOnly?this.$.attr("readonly","readonly"):(this.$c.bind("mousedown",function(t){t.preventDefault(),s._xy()._mouse(t)}).bind("touchstart",function(t){t.preventDefault(),s._xy()._touch(t)}),this.listen()),this.relative&&t(window).resize(function(){s._carve().init(),s._draw()}),this},this._configure=function(){return this.o.draw&&(this.dH=this.o.draw),this.o.change&&(this.cH=this.o.change),this.o.cancel&&(this.eH=this.o.cancel),this.o.release&&(this.rH=this.o.release),this.o.displayPrevious?(this.pColor=this.h2rgba(this.o.fgColor,"0.4"),this.fgColor=this.h2rgba(this.o.fgColor,"0.6")):this.fgColor=this.o.fgColor,this},this._clear=function(){this.$c[0].width=this.$c[0].width},this._validate=function(t){var i=~~((t<0?-.5:.5)+t/this.o.step)*this.o.step;return Math.round(100*i)/100},this.listen=function(){},this.extend=function(){},this.init=function(){},this.change=function(t){},this.val=function(t){},this.xy2val=function(t,i){},this.draw=function(){},this.clear=function(){this._clear()},this.h2rgba=function(t,i){var s;return t=t.substring(1,7),"rgba("+(s=[parseInt(t.substring(0,2),16),parseInt(t.substring(2,4),16),parseInt(t.substring(4,6),16)])[0]+","+s[1]+","+s[2]+","+i+")"},this.copy=function(t,i){for(var s in t)i[s]=t[s]}},i.Dial=function(){i.o.call(this),this.startAngle=null,this.xy=null,this.radius=null,this.lineWidth=null,this.cursorExt=null,this.w2=null,this.PI2=2*Math.PI,this.extend=function(){this.o=t.extend({bgColor:this.$.data("bgcolor")||"#EEEEEE",angleOffset:this.$.data("angleoffset")||0,angleArc:this.$.data("anglearc")||360,inline:!0},this.o)},this.val=function(t,i){if(null==t)return this.v;t=this.o.parse(t),!1!==i&&t!=this.v&&this.rH&&!1===this.rH(t)||(this.cv=this.o.stopper?s(h(t,this.o.max),this.o.min):t,this.v=this.cv,this.$.val(this.o.format(this.v)),this._draw())},this.xy2val=function(t,i){var e,n;return e=Math.atan2(t-(this.x+this.w2),-(i-this.y-this.w2))-this.angleOffset,this.o.flip&&(e=this.angleArc-e-this.PI2),this.angleArc!=this.PI2&&e<0&&e>-.5?e=0:e<0&&(e+=this.PI2),n=e*(this.o.max-this.o.min)/this.angleArc+this.o.min,this.o.stopper&&(n=s(h(n,this.o.max),this.o.min)),n},this.listen=function(){var i,e,n,a,o=this,r=function(t){t.preventDefault();var n=t.originalEvent,a=n.detail||n.wheelDeltaX,r=n.detail||n.wheelDeltaY,l=o._validate(o.o.parse(o.$.val()))+(a>0||r>0?o.o.step:a<0||r<0?-o.o.step:0);l=s(h(l,o.o.max),o.o.min),o.val(l,!1),o.rH&&(clearTimeout(i),i=setTimeout(function(){o.rH(l),i=null},100),e||(e=setTimeout(function(){i&&o.rH(l),e=null},200)))},l=1,c={37:-o.o.step,38:o.o.step,39:o.o.step,40:-o.o.step};this.$.bind("keydown",function(i){var e=i.keyCode;if(e>=96&&e<=105&&(e=i.keyCode=e-48),n=parseInt(String.fromCharCode(e)),isNaN(n)&&(13!==e&&8!==e&&9!==e&&189!==e&&(190!==e||o.$.val().match(/\./))&&i.preventDefault(),t.inArray(e,[37,38,39,40])>-1)){i.preventDefault();var r=o.o.parse(o.$.val())+c[e]*l;o.o.stopper&&(r=s(h(r,o.o.max),o.o.min)),o.change(o._validate(r)),o._draw(),a=window.setTimeout(function(){l*=2},30)}}).bind("keyup",function(t){isNaN(n)?a&&(window.clearTimeout(a),a=null,l=1,o.val(o.$.val())):o.$.val()>o.o.max&&o.$.val(o.o.max)||o.$.val()<o.o.min&&o.$.val(o.o.min)}),this.$c.bind("mousewheel DOMMouseScroll",r),this.$.bind("mousewheel DOMMouseScroll",r)},this.init=function(){(this.v<this.o.min||this.v>this.o.max)&&(this.v=this.o.min),this.$.val(this.v),this.w2=this.w/2,this.cursorExt=this.o.cursor/100,this.xy=this.w2*this.scale,this.lineWidth=this.xy*this.o.thickness,this.lineCap=this.o.lineCap,this.radius=this.xy-this.lineWidth/2,this.o.angleOffset&&(this.o.angleOffset=isNaN(this.o.angleOffset)?0:this.o.angleOffset),this.o.angleArc&&(this.o.angleArc=isNaN(this.o.angleArc)?this.PI2:this.o.angleArc),this.angleOffset=this.o.angleOffset*Math.PI/180,this.angleArc=this.o.angleArc*Math.PI/180,this.startAngle=1.5*Math.PI+this.angleOffset,this.endAngle=1.5*Math.PI+this.angleOffset+this.angleArc;var t=s(String(Math.abs(this.o.max)).length,String(Math.abs(this.o.min)).length,2)+2;this.o.displayInput&&this.i.css({width:(this.w/2+4>>0)+"px",height:(this.w/3>>0)+"px",position:"absolute","vertical-align":"middle","margin-top":(this.w/3>>0)+"px","margin-left":"-"+(3*this.w/4+2>>0)+"px",border:0,background:"none",font:this.o.fontWeight+" "+(this.w/t>>0)+"px "+this.o.font,"text-align":"center",color:this.o.inputColor||this.o.fgColor,padding:"0px","-webkit-appearance":"none"})||this.i.css({width:"0px",visibility:"hidden"})},this.change=function(t){this.cv=t,this.$.val(this.o.format(t))},this.angle=function(t){return(t-this.o.min)*this.angleArc/(this.o.max-this.o.min)},this.arc=function(t){var i,s;return t=this.angle(t),s=this.o.flip?(i=this.endAngle+1e-5)-t-1e-5:(i=this.startAngle-1e-5)+t+1e-5,this.o.cursor&&(i=s-this.cursorExt)&&(s+=this.cursorExt),{s:i,e:s,d:this.o.flip&&!this.o.cursor}},this.draw=function(){var t,i=this.g,s=this.arc(this.cv),h=1;i.lineWidth=this.lineWidth,i.lineCap=this.lineCap,"none"!==this.o.bgColor&&(i.beginPath(),i.strokeStyle=this.o.bgColor,i.arc(this.xy,this.xy,this.radius,this.endAngle-1e-5,this.startAngle+1e-5,!0),i.stroke()),this.o.displayPrevious&&(t=this.arc(this.v),i.beginPath(),i.strokeStyle=this.pColor,i.arc(this.xy,this.xy,this.radius,t.s,t.e,t.d),i.stroke(),h=this.cv==this.v),i.beginPath(),i.strokeStyle=h?this.o.fgColor:this.fgColor,i.arc(this.xy,this.xy,this.radius,s.s,s.e,s.d),i.stroke()},this.cancel=function(){this.val(this.v)}},t.fn.dial=t.fn.knob=function(s){return this.each(function(){var h=new i.Dial;h.o=s,h.$=t(this),h.run()}).parent()}});
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