//jQuery FlexSlider v2.7.2
!function($){var e=!0;$.flexslider=function(t,a){var n=$(t);void 0===a.rtl&&"rtl"==$("html").attr("dir")&&(a.rtl=!0),n.vars=$.extend({},$.flexslider.defaults,a);var i=n.vars.namespace,r=window.navigator&&window.navigator.msPointerEnabled&&window.MSGesture,s=("ontouchstart"in window||r||window.DocumentTouch&&document instanceof DocumentTouch)&&n.vars.touch,o="click touchend MSPointerUp keyup",l="",c,d="vertical"===n.vars.direction,u=n.vars.reverse,v=n.vars.itemWidth>0,p="fade"===n.vars.animation,m=""!==n.vars.asNavFor,f={};$.data(t,"flexslider",n),f={init:function(){n.animating=!1,n.currentSlide=parseInt(n.vars.startAt?n.vars.startAt:0,10),isNaN(n.currentSlide)&&(n.currentSlide=0),n.animatingTo=n.currentSlide,n.atEnd=0===n.currentSlide||n.currentSlide===n.last,n.containerSelector=n.vars.selector.substr(0,n.vars.selector.search(" ")),n.slides=$(n.vars.selector,n),n.container=$(n.containerSelector,n),n.count=n.slides.length,n.syncExists=$(n.vars.sync).length>0,"slide"===n.vars.animation&&(n.vars.animation="swing"),n.prop=d?"top":n.vars.rtl?"marginRight":"marginLeft",n.args={},n.manualPause=!1,n.stopped=!1,n.started=!1,n.startTimeout=null,n.transitions=!n.vars.video&&!p&&n.vars.useCSS&&function(){var e=document.createElement("div"),t=["perspectiveProperty","WebkitPerspective","MozPerspective","OPerspective","msPerspective"];for(var a in t)if(void 0!==e.style[t[a]])return n.pfx=t[a].replace("Perspective","").toLowerCase(),n.prop="-"+n.pfx+"-transform",!0;return!1}(),n.isFirefox=navigator.userAgent.toLowerCase().indexOf("firefox")>-1,n.ensureAnimationEnd="",""!==n.vars.controlsContainer&&(n.controlsContainer=$(n.vars.controlsContainer).length>0&&$(n.vars.controlsContainer)),""!==n.vars.manualControls&&(n.manualControls=$(n.vars.manualControls).length>0&&$(n.vars.manualControls)),""!==n.vars.customDirectionNav&&(n.customDirectionNav=2===$(n.vars.customDirectionNav).length&&$(n.vars.customDirectionNav)),n.vars.randomize&&(n.slides.sort(function(){return Math.round(Math.random())-.5}),n.container.empty().append(n.slides)),n.doMath(),n.setup("init"),n.vars.controlNav&&f.controlNav.setup(),n.vars.directionNav&&f.directionNav.setup(),n.vars.keyboard&&(1===$(n.containerSelector).length||n.vars.multipleKeyboard)&&$(document).bind("keyup",function(e){var t=e.keyCode;if(!n.animating&&(39===t||37===t)){var a=n.vars.rtl?37===t?n.getTarget("next"):39===t&&n.getTarget("prev"):39===t?n.getTarget("next"):37===t&&n.getTarget("prev");n.flexAnimate(a,n.vars.pauseOnAction)}}),n.vars.mousewheel&&n.bind("mousewheel",function(e,t,a,i){e.preventDefault();var r=t<0?n.getTarget("next"):n.getTarget("prev");n.flexAnimate(r,n.vars.pauseOnAction)}),n.vars.pausePlay&&f.pausePlay.setup(),n.vars.slideshow&&n.vars.pauseInvisible&&f.pauseInvisible.init(),n.vars.slideshow&&(n.vars.pauseOnHover&&n.hover(function(){n.manualPlay||n.manualPause||n.pause()},function(){n.manualPause||n.manualPlay||n.stopped||n.play()}),n.vars.pauseInvisible&&f.pauseInvisible.isHidden()||(n.vars.initDelay>0?n.startTimeout=setTimeout(n.play,n.vars.initDelay):n.play())),m&&f.asNav.setup(),s&&n.vars.touch&&f.touch(),(!p||p&&n.vars.smoothHeight)&&$(window).bind("resize orientationchange focus",f.resize),n.find("img").attr("draggable","false"),setTimeout(function(){n.vars.start(n)},200)},asNav:{setup:function(){n.asNav=!0,n.animatingTo=Math.floor(n.currentSlide/n.move),n.currentItem=n.currentSlide,n.slides.removeClass(i+"active-slide").eq(n.currentItem).addClass(i+"active-slide"),r?(t._slider=n,n.slides.each(function(){var e=this;e._gesture=new MSGesture,e._gesture.target=e,e.addEventListener("MSPointerDown",function(e){e.preventDefault(),e.currentTarget._gesture&&e.currentTarget._gesture.addPointer(e.pointerId)},!1),e.addEventListener("MSGestureTap",function(e){e.preventDefault();var t=$(this),a=t.index();$(n.vars.asNavFor).data("flexslider").animating||t.hasClass("active")||(n.direction=n.currentItem<a?"next":"prev",n.flexAnimate(a,n.vars.pauseOnAction,!1,!0,!0))})})):n.slides.on(o,function(e){e.preventDefault();var t=$(this),a=t.index(),r;r=n.vars.rtl?-1*(t.offset().right-$(n).scrollLeft()):t.offset().left-$(n).scrollLeft(),r<=0&&t.hasClass(i+"active-slide")?n.flexAnimate(n.getTarget("prev"),!0):$(n.vars.asNavFor).data("flexslider").animating||t.hasClass(i+"active-slide")||(n.direction=n.currentItem<a?"next":"prev",n.flexAnimate(a,n.vars.pauseOnAction,!1,!0,!0))})}},controlNav:{setup:function(){n.manualControls?f.controlNav.setupManual():f.controlNav.setupPaging()},setupPaging:function(){var e="thumbnails"===n.vars.controlNav?"control-thumbs":"control-paging",t=1,a,r;if(n.controlNavScaffold=$('<ol class="'+i+"control-nav "+i+e+'"></ol>'),n.pagingCount>1)for(var s=0;s<n.pagingCount;s++){if(r=n.slides.eq(s),void 0===r.attr("data-thumb-alt")&&r.attr("data-thumb-alt",""),a=$("<a></a>").attr("href","#").text(t),"thumbnails"===n.vars.controlNav&&(a=$("<img/>").attr("src",r.attr("data-thumb"))),""!==r.attr("data-thumb-alt")&&a.attr("alt",r.attr("data-thumb-alt")),"thumbnails"===n.vars.controlNav&&!0===n.vars.thumbCaptions){var c=r.attr("data-thumbcaption");if(""!==c&&void 0!==c){var d=$("<span></span>").addClass(i+"caption").text(c);a.append(d)}}var u=$("<li>");a.appendTo(u),u.append("</li>"),n.controlNavScaffold.append(u),t++}n.controlsContainer?$(n.controlsContainer).append(n.controlNavScaffold):n.append(n.controlNavScaffold),f.controlNav.set(),f.controlNav.active(),n.controlNavScaffold.delegate("a, img",o,function(e){if(e.preventDefault(),""===l||l===e.type){var t=$(this),a=n.controlNav.index(t);t.hasClass(i+"active")||(n.direction=a>n.currentSlide?"next":"prev",n.flexAnimate(a,n.vars.pauseOnAction))}""===l&&(l=e.type),f.setToClearWatchedEvent()})},setupManual:function(){n.controlNav=n.manualControls,f.controlNav.active(),n.controlNav.bind(o,function(e){if(e.preventDefault(),""===l||l===e.type){var t=$(this),a=n.controlNav.index(t);t.hasClass(i+"active")||(a>n.currentSlide?n.direction="next":n.direction="prev",n.flexAnimate(a,n.vars.pauseOnAction))}""===l&&(l=e.type),f.setToClearWatchedEvent()})},set:function(){var e="thumbnails"===n.vars.controlNav?"img":"a";n.controlNav=$("."+i+"control-nav li "+e,n.controlsContainer?n.controlsContainer:n)},active:function(){n.controlNav.removeClass(i+"active").eq(n.animatingTo).addClass(i+"active")},update:function(e,t){n.pagingCount>1&&"add"===e?n.controlNavScaffold.append($('<li><a href="#">'+n.count+"</a></li>")):1===n.pagingCount?n.controlNavScaffold.find("li").remove():n.controlNav.eq(t).closest("li").remove(),f.controlNav.set(),n.pagingCount>1&&n.pagingCount!==n.controlNav.length?n.update(t,e):f.controlNav.active()}},directionNav:{setup:function(){var e=$('<ul class="'+i+'direction-nav"><li class="'+i+'nav-prev"><a class="'+i+'prev" href="#">'+n.vars.prevText+'</a></li><li class="'+i+'nav-next"><a class="'+i+'next" href="#">'+n.vars.nextText+"</a></li></ul>");n.customDirectionNav?n.directionNav=n.customDirectionNav:n.controlsContainer?($(n.controlsContainer).append(e),n.directionNav=$("."+i+"direction-nav li a",n.controlsContainer)):(n.append(e),n.directionNav=$("."+i+"direction-nav li a",n)),f.directionNav.update(),n.directionNav.bind(o,function(e){e.preventDefault();var t;""!==l&&l!==e.type||(t=$(this).hasClass(i+"next")?n.getTarget("next"):n.getTarget("prev"),n.flexAnimate(t,n.vars.pauseOnAction)),""===l&&(l=e.type),f.setToClearWatchedEvent()})},update:function(){var e=i+"disabled";1===n.pagingCount?n.directionNav.addClass(e).attr("tabindex","-1"):n.vars.animationLoop?n.directionNav.removeClass(e).removeAttr("tabindex"):0===n.animatingTo?n.directionNav.removeClass(e).filter("."+i+"prev").addClass(e).attr("tabindex","-1"):n.animatingTo===n.last?n.directionNav.removeClass(e).filter("."+i+"next").addClass(e).attr("tabindex","-1"):n.directionNav.removeClass(e).removeAttr("tabindex")}},pausePlay:{setup:function(){var e=$('<div class="'+i+'pauseplay"><a href="#"></a></div>');n.controlsContainer?(n.controlsContainer.append(e),n.pausePlay=$("."+i+"pauseplay a",n.controlsContainer)):(n.append(e),n.pausePlay=$("."+i+"pauseplay a",n)),f.pausePlay.update(n.vars.slideshow?i+"pause":i+"play"),n.pausePlay.bind(o,function(e){e.preventDefault(),""!==l&&l!==e.type||($(this).hasClass(i+"pause")?(n.manualPause=!0,n.manualPlay=!1,n.pause()):(n.manualPause=!1,n.manualPlay=!0,n.play())),""===l&&(l=e.type),f.setToClearWatchedEvent()})},update:function(e){"play"===e?n.pausePlay.removeClass(i+"pause").addClass(i+"play").html(n.vars.playText):n.pausePlay.removeClass(i+"play").addClass(i+"pause").html(n.vars.pauseText)}},touch:function(){function e(e){e.stopPropagation(),n.animating?e.preventDefault():(n.pause(),t._gesture.addPointer(e.pointerId),w=0,c=d?n.h:n.w,f=Number(new Date),l=v&&u&&n.animatingTo===n.last?0:v&&u?n.limit-(n.itemW+n.vars.itemMargin)*n.move*n.animatingTo:v&&n.currentSlide===n.last?n.limit:v?(n.itemW+n.vars.itemMargin)*n.move*n.currentSlide:u?(n.last-n.currentSlide+n.cloneOffset)*c:(n.currentSlide+n.cloneOffset)*c)}function a(e){e.stopPropagation();var a=e.target._slider;if(a){var n=-e.translationX,i=-e.translationY;if(w+=d?i:n,m=(a.vars.rtl?-1:1)*w,x=d?Math.abs(w)<Math.abs(-n):Math.abs(w)<Math.abs(-i),e.detail===e.MSGESTURE_FLAG_INERTIA)return void setImmediate(function(){t._gesture.stop()});(!x||Number(new Date)-f>500)&&(e.preventDefault(),!p&&a.transitions&&(a.vars.animationLoop||(m=w/(0===a.currentSlide&&w<0||a.currentSlide===a.last&&w>0?Math.abs(w)/c+2:1)),a.setProps(l+m,"setTouch")))}}function i(e){e.stopPropagation();var t=e.target._slider;if(t){if(t.animatingTo===t.currentSlide&&!x&&null!==m){var a=u?-m:m,n=a>0?t.getTarget("next"):t.getTarget("prev");t.canAdvance(n)&&(Number(new Date)-f<550&&Math.abs(a)>50||Math.abs(a)>c/2)?t.flexAnimate(n,t.vars.pauseOnAction):p||t.flexAnimate(t.currentSlide,t.vars.pauseOnAction,!0)}s=null,o=null,m=null,l=null,w=0}}var s,o,l,c,m,f,g,h,S,x=!1,y=0,b=0,w=0;r?(t.style.msTouchAction="none",t._gesture=new MSGesture,t._gesture.target=t,t.addEventListener("MSPointerDown",e,!1),t._slider=n,t.addEventListener("MSGestureChange",a,!1),t.addEventListener("MSGestureEnd",i,!1)):(g=function(e){n.animating?e.preventDefault():(window.navigator.msPointerEnabled||1===e.touches.length)&&(n.pause(),c=d?n.h:n.w,f=Number(new Date),y=e.touches[0].pageX,b=e.touches[0].pageY,l=v&&u&&n.animatingTo===n.last?0:v&&u?n.limit-(n.itemW+n.vars.itemMargin)*n.move*n.animatingTo:v&&n.currentSlide===n.last?n.limit:v?(n.itemW+n.vars.itemMargin)*n.move*n.currentSlide:u?(n.last-n.currentSlide+n.cloneOffset)*c:(n.currentSlide+n.cloneOffset)*c,s=d?b:y,o=d?y:b,t.addEventListener("touchmove",h,!1),t.addEventListener("touchend",S,!1))},h=function(e){y=e.touches[0].pageX,b=e.touches[0].pageY,m=d?s-b:(n.vars.rtl?-1:1)*(s-y),x=d?Math.abs(m)<Math.abs(y-o):Math.abs(m)<Math.abs(b-o);var t=500;(!x||Number(new Date)-f>500)&&(e.preventDefault(),!p&&n.transitions&&(n.vars.animationLoop||(m/=0===n.currentSlide&&m<0||n.currentSlide===n.last&&m>0?Math.abs(m)/c+2:1),n.setProps(l+m,"setTouch")))},S=function(e){if(t.removeEventListener("touchmove",h,!1),n.animatingTo===n.currentSlide&&!x&&null!==m){var a=u?-m:m,i=a>0?n.getTarget("next"):n.getTarget("prev");n.canAdvance(i)&&(Number(new Date)-f<550&&Math.abs(a)>50||Math.abs(a)>c/2)?n.flexAnimate(i,n.vars.pauseOnAction):p||n.flexAnimate(n.currentSlide,n.vars.pauseOnAction,!0)}t.removeEventListener("touchend",S,!1),s=null,o=null,m=null,l=null},t.addEventListener("touchstart",g,!1))},resize:function(){!n.animating&&n.is(":visible")&&(v||n.doMath(),p?f.smoothHeight():v?(n.slides.width(n.computedW),n.update(n.pagingCount),n.setProps()):d?(n.viewport.height(n.h),n.setProps(n.h,"setTotal")):(n.vars.smoothHeight&&f.smoothHeight(),n.newSlides.width(n.computedW),n.setProps(n.computedW,"setTotal")))},smoothHeight:function(e){if(!d||p){var t=p?n:n.viewport;e?t.animate({height:n.slides.eq(n.animatingTo).innerHeight()},e):t.innerHeight(n.slides.eq(n.animatingTo).innerHeight())}},sync:function(e){var t=$(n.vars.sync).data("flexslider"),a=n.animatingTo;switch(e){case"animate":t.flexAnimate(a,n.vars.pauseOnAction,!1,!0);break;case"play":t.playing||t.asNav||t.play();break;case"pause":t.pause();break}},uniqueID:function(e){return e.filter("[id]").add(e.find("[id]")).each(function(){var e=$(this);e.attr("id",e.attr("id")+"_clone")}),e},pauseInvisible:{visProp:null,init:function(){var e=f.pauseInvisible.getHiddenProp();if(e){var t=e.replace(/[H|h]idden/,"")+"visibilitychange";document.addEventListener(t,function(){f.pauseInvisible.isHidden()?n.startTimeout?clearTimeout(n.startTimeout):n.pause():n.started?n.play():n.vars.initDelay>0?setTimeout(n.play,n.vars.initDelay):n.play()})}},isHidden:function(){var e=f.pauseInvisible.getHiddenProp();return!!e&&document[e]},getHiddenProp:function(){var e=["webkit","moz","ms","o"];if("hidden"in document)return"hidden";for(var t=0;t<e.length;t++)if(e[t]+"Hidden"in document)return e[t]+"Hidden";return null}},setToClearWatchedEvent:function(){clearTimeout(c),c=setTimeout(function(){l=""},3e3)}},n.flexAnimate=function(e,t,a,r,o){if(n.vars.animationLoop||e===n.currentSlide||(n.direction=e>n.currentSlide?"next":"prev"),m&&1===n.pagingCount&&(n.direction=n.currentItem<e?"next":"prev"),!n.animating&&(n.canAdvance(e,o)||a)&&n.is(":visible")){if(m&&r){var l=$(n.vars.asNavFor).data("flexslider");if(n.atEnd=0===e||e===n.count-1,l.flexAnimate(e,!0,!1,!0,o),n.direction=n.currentItem<e?"next":"prev",l.direction=n.direction,Math.ceil((e+1)/n.visible)-1===n.currentSlide||0===e)return n.currentItem=e,n.slides.removeClass(i+"active-slide").eq(e).addClass(i+"active-slide"),!1;n.currentItem=e,n.slides.removeClass(i+"active-slide").eq(e).addClass(i+"active-slide"),e=Math.floor(e/n.visible)}if(n.animating=!0,n.animatingTo=e,t&&n.pause(),n.vars.before(n),n.syncExists&&!o&&f.sync("animate"),n.vars.controlNav&&f.controlNav.active(),v||n.slides.removeClass(i+"active-slide").eq(e).addClass(i+"active-slide"),n.atEnd=0===e||e===n.last,n.vars.directionNav&&f.directionNav.update(),e===n.last&&(n.vars.end(n),n.vars.animationLoop||n.pause()),p)s?(n.slides.eq(n.currentSlide).css({opacity:0,zIndex:1}),n.slides.eq(e).css({opacity:1,zIndex:2}),n.wrapup(c)):(n.slides.eq(n.currentSlide).css({zIndex:1}).animate({opacity:0},n.vars.animationSpeed,n.vars.easing),n.slides.eq(e).css({zIndex:2}).animate({opacity:1},n.vars.animationSpeed,n.vars.easing,n.wrapup));else{var c=d?n.slides.filter(":first").height():n.computedW,g,h,S;v?(g=n.vars.itemMargin,S=(n.itemW+g)*n.move*n.animatingTo,h=S>n.limit&&1!==n.visible?n.limit:S):h=0===n.currentSlide&&e===n.count-1&&n.vars.animationLoop&&"next"!==n.direction?u?(n.count+n.cloneOffset)*c:0:n.currentSlide===n.last&&0===e&&n.vars.animationLoop&&"prev"!==n.direction?u?0:(n.count+1)*c:u?(n.count-1-e+n.cloneOffset)*c:(e+n.cloneOffset)*c,n.setProps(h,"",n.vars.animationSpeed),n.transitions?(n.vars.animationLoop&&n.atEnd||(n.animating=!1,n.currentSlide=n.animatingTo),n.container.unbind("webkitTransitionEnd transitionend"),n.container.bind("webkitTransitionEnd 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a=m?n.pagingCount-1:n.last;return!!t||(!(!m||n.currentItem!==n.count-1||0!==e||"prev"!==n.direction)||(!m||0!==n.currentItem||e!==n.pagingCount-1||"next"===n.direction)&&(!(e===n.currentSlide&&!m)&&(!!n.vars.animationLoop||(!n.atEnd||0!==n.currentSlide||e!==a||"next"===n.direction)&&(!n.atEnd||n.currentSlide!==a||0!==e||"next"!==n.direction))))},n.getTarget=function(e){return n.direction=e,"next"===e?n.currentSlide===n.last?0:n.currentSlide+1:0===n.currentSlide?n.last:n.currentSlide-1},n.setProps=function(e,t,a){var i=function(){var a=e||(n.itemW+n.vars.itemMargin)*n.move*n.animatingTo;return function(){if(v)return"setTouch"===t?e:u&&n.animatingTo===n.last?0:u?n.limit-(n.itemW+n.vars.itemMargin)*n.move*n.animatingTo:n.animatingTo===n.last?n.limit:a;switch(t){case"setTotal":return u?(n.count-1-n.currentSlide+n.cloneOffset)*e:(n.currentSlide+n.cloneOffset)*e;case"setTouch":return e;case"jumpEnd":return u?e:n.count*e;case"jumpStart":return u?n.count*e:e;default:return 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ease",zIndex:1}).eq(n.currentSlide).css({opacity:1,zIndex:2}):0==n.vars.fadeFirstSlide?n.slides.css({opacity:0,display:"block",zIndex:1}).eq(n.currentSlide).css({zIndex:2}).css({opacity:1}):n.slides.css({opacity:0,display:"block",zIndex:1}).eq(n.currentSlide).css({zIndex:2}).animate({opacity:1},n.vars.animationSpeed,n.vars.easing)),n.vars.smoothHeight&&f.smoothHeight();else{var t,a;"init"===e&&(n.viewport=$('<div 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// Copyright Aliyun.com, Inc. or its affiliates. All Rights Reserved.
// License at https://github.com/ali-sdk/ali-oss/blob/master/LICENSE
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"+this.debugInfo());if(null==r)throw new Error("Missing DTD attribute name. "+this.debugInfo(t));if(!n)throw new Error("Missing DTD attribute type. "+this.debugInfo(t));if(!i)throw new Error("Missing DTD attribute default. "+this.debugInfo(t));if(!(i=0!==i.indexOf("#")?"#"+i:i).match(/^(#REQUIRED|#IMPLIED|#FIXED|#DEFAULT)$/))throw new Error("Invalid default value type; expected: #REQUIRED, #IMPLIED, #FIXED or #DEFAULT. "+this.debugInfo(t));if(o&&!i.match(/^(#FIXED|#DEFAULT)$/))throw new Error("Default value only applies to #FIXED or #DEFAULT. "+this.debugInfo(t));this.elementName=this.stringify.name(t),this.type=a.AttributeDeclaration,this.attributeName=this.stringify.name(r),this.attributeType=this.stringify.dtdAttType(n),o&&(this.defaultValue=this.stringify.dtdAttDefault(o)),this.defaultValueType=i}return n.prototype=r.prototype,t.prototype=new n,t.__super__=r.prototype,s.prototype.toString=function(e){return this.options.writer.dtdAttList(this,this.options.writer.filterOptions(e))},s}()}.call(this)},{"./NodeType":500,"./XMLNode":522}],512:[function(e,t,r){!function(){var o={}.hasOwnProperty,s=e("./XMLNode"),a=e("./NodeType");t.exports=function(){var e,t=i,r=s;for(e in r)o.call(r,e)&&(t[e]=r[e]);function n(){this.constructor=t}function i(e,t,r){if(i.__super__.constructor.call(this,e),null==t)throw new Error("Missing DTD element name. 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"+this.debugInfo(r));if(this.pe=!!t,this.name=this.stringify.name(r),this.type=c.EntityDeclaration,s(n)){if(!n.pubID&&!n.sysID)throw new Error("Public and/or system identifiers are required for an external entity. "+this.debugInfo(r));if(n.pubID&&!n.sysID)throw new Error("System identifier is required for a public external entity. "+this.debugInfo(r));if(this.internal=!1,null!=n.pubID&&(this.pubID=this.stringify.dtdPubID(n.pubID)),null!=n.sysID&&(this.sysID=this.stringify.dtdSysID(n.sysID)),null!=n.nData&&(this.nData=this.stringify.dtdNData(n.nData)),this.pe&&this.nData)throw new Error("Notation declaration is not allowed in a parameter entity. 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"+this.debugInfo(t));if(!r.pubID&&!r.sysID)throw new Error("Public or system identifiers are required for an external entity. "+this.debugInfo(t));this.name=this.stringify.name(t),this.type=a.NotationDeclaration,null!=r.pubID&&(this.pubID=this.stringify.dtdPubID(r.pubID)),null!=r.sysID&&(this.sysID=this.stringify.dtdSysID(r.sysID))}return n.prototype=r.prototype,t.prototype=new n,t.__super__=r.prototype,Object.defineProperty(i.prototype,"publicId",{get:function(){return this.pubID}}),Object.defineProperty(i.prototype,"systemId",{get:function(){return this.sysID}}),i.prototype.toString=function(e){return this.options.writer.dtdNotation(this,this.options.writer.filterOptions(e))},i}()}.call(this)},{"./NodeType":500,"./XMLNode":522}],515:[function(e,t,r){!function(){var o={}.hasOwnProperty,s=e("./Utility").isObject,a=e("./XMLNode"),c=e("./NodeType");t.exports=function(){var e,t=i,r=a;for(e in r)o.call(r,e)&&(t[e]=r[e]);function n(){this.constructor=t}function i(e,t,r,n){i.__super__.constructor.call(this,e),s(t)&&(t=(e=t).version,r=e.encoding,n=e.standalone),t=t||"1.0",this.type=c.Declaration,this.version=this.stringify.xmlVersion(t),null!=r&&(this.encoding=this.stringify.xmlEncoding(r)),null!=n&&(this.standalone=this.stringify.xmlStandalone(n))}return n.prototype=r.prototype,t.prototype=new n,t.__super__=r.prototype,i.prototype.toString=function(e){return this.options.writer.declaration(this,this.options.writer.filterOptions(e))},i}()}.call(this)},{"./NodeType":500,"./Utility":501,"./XMLNode":522}],516:[function(e,t,r){!function(){var i={}.hasOwnProperty,c=e("./Utility").isObject,o=e("./XMLNode"),u=e("./NodeType"),s=e("./XMLDTDAttList"),l=e("./XMLDTDEntity"),f=e("./XMLDTDElement"),p=e("./XMLDTDNotation"),d=e("./XMLNamedNodeMap");t.exports=function(){var e,t=a,r=o;for(e in r)i.call(r,e)&&(t[e]=r[e]);function n(){this.constructor=t}function a(e,t,r){var n,i,o,s;if(a.__super__.constructor.call(this,e),this.type=u.DocType,e.children)for(i=0,o=(s=e.children).length;i<o;i++)if((n=s[i]).type===u.Element){this.name=n.name;break}this.documentObject=e,c(t)&&(t=(e=t).pubID,r=e.sysID),null==r&&(r=(e=[t,r])[0],t=e[1]),null!=t&&(this.pubID=this.stringify.dtdPubID(t)),null!=r&&(this.sysID=this.stringify.dtdSysID(r))}return n.prototype=r.prototype,t.prototype=new n,t.__super__=r.prototype,Object.defineProperty(a.prototype,"entities",{get:function(){for(var e,t={},r=this.children,n=0,i=r.length;n<i;n++)(e=r[n]).type!==u.EntityDeclaration||e.pe||(t[e.name]=e);return new d(t)}}),Object.defineProperty(a.prototype,"notations",{get:function(){for(var e,t={},r=this.children,n=0,i=r.length;n<i;n++)(e=r[n]).type===u.NotationDeclaration&&(t[e.name]=e);return new d(t)}}),Object.defineProperty(a.prototype,"publicId",{get:function(){return this.pubID}}),Object.defineProperty(a.prototype,"systemId",{get:function(){return this.sysID}}),Object.defineProperty(a.prototype,"internalSubset",{get:function(){throw new Error("This DOM method is not implemented."+this.debugInfo())}}),a.prototype.element=function(e,t){e=new f(this,e,t);return this.children.push(e),this},a.prototype.attList=function(e,t,r,n,i){e=new s(this,e,t,r,n,i);return this.children.push(e),this},a.prototype.entity=function(e,t){e=new l(this,!1,e,t);return this.children.push(e),this},a.prototype.pEntity=function(e,t){e=new l(this,!0,e,t);return this.children.push(e),this},a.prototype.notation=function(e,t){e=new p(this,e,t);return this.children.push(e),this},a.prototype.toString=function(e){return this.options.writer.docType(this,this.options.writer.filterOptions(e))},a.prototype.ele=function(e,t){return this.element(e,t)},a.prototype.att=function(e,t,r,n,i){return this.attList(e,t,r,n,i)},a.prototype.ent=function(e,t){return this.entity(e,t)},a.prototype.pent=function(e,t){return this.pEntity(e,t)},a.prototype.not=function(e,t){return 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0!==this.children.length&&this.children[0].type===l.Declaration?this.children[0].version:"1.0"}}),Object.defineProperty(i.prototype,"URL",{get:function(){return this.documentURI}}),Object.defineProperty(i.prototype,"origin",{get:function(){return null}}),Object.defineProperty(i.prototype,"compatMode",{get:function(){return null}}),Object.defineProperty(i.prototype,"characterSet",{get:function(){return null}}),Object.defineProperty(i.prototype,"contentType",{get:function(){return null}}),i.prototype.end=function(e){var t={};return e?s(e)&&(t=e,e=this.options.writer):e=this.options.writer,e.document(this,e.filterOptions(t))},i.prototype.toString=function(e){return this.options.writer.document(this,this.options.writer.filterOptions(e))},i.prototype.createElement=function(e){throw new Error("This DOM method is not implemented."+this.debugInfo())},i.prototype.createDocumentFragment=function(){throw new Error("This DOM method is not 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Error("This DOM method is not implemented."+this.debugInfo())},i.prototype.createRange=function(){throw new Error("This DOM method is not implemented."+this.debugInfo())},i.prototype.createNodeIterator=function(e,t,r){throw new Error("This DOM method is not implemented."+this.debugInfo())},i.prototype.createTreeWalker=function(e,t,r){throw new Error("This DOM method is not implemented."+this.debugInfo())},i}()}.call(this)},{"./NodeType":500,"./Utility":501,"./XMLDOMConfiguration":507,"./XMLDOMImplementation":509,"./XMLNode":522,"./XMLStringWriter":527,"./XMLStringifier":528}],518:[function(_,T,e){!function(){var u,o,i,t,r,s,n,a,c,l,f,p,d,h,y,m,b,g,v,j,w,x,e,S={}.hasOwnProperty;function k(e,t,r){var n;this.name="?xml",this.type=u.Document,n={},(e=e||{}).writer?x(e.writer)&&(n=e.writer,e.writer=new m):e.writer=new m,this.options=e,this.writer=e.writer,this.writerOptions=this.writer.filterOptions(n),this.stringify=new b(e),this.onDataCallback=t||function(){},this.onEndCallback=r||function(){},this.currentNode=null,this.currentLevel=-1,this.openTags={},this.documentStarted=!1,this.documentCompleted=!1,this.root=null}e=_("./Utility"),w=e.isObject,j=e.isFunction,x=e.isPlainObject,v=e.getValue,u=_("./NodeType"),p=_("./XMLDocument"),d=_("./XMLElement"),t=_("./XMLCData"),r=_("./XMLComment"),y=_("./XMLRaw"),g=_("./XMLText"),h=_("./XMLProcessingInstruction"),l=_("./XMLDeclaration"),f=_("./XMLDocType"),s=_("./XMLDTDAttList"),a=_("./XMLDTDEntity"),n=_("./XMLDTDElement"),c=_("./XMLDTDNotation"),i=_("./XMLAttribute"),b=_("./XMLStringifier"),m=_("./XMLStringWriter"),o=_("./WriterState"),T.exports=(k.prototype.createChildNode=function(e){var t,r,n,i,o,s,a,c;switch(e.type){case u.CData:this.cdata(e.value);break;case u.Comment:this.comment(e.value);break;case u.Element:for(r in n={},a=e.attribs)S.call(a,r)&&(t=a[r],n[r]=t.value);this.node(e.name,n);break;case u.Dummy:this.dummy();break;case u.Raw:this.raw(e.value);break;case u.Text:this.text(e.value);break;case u.ProcessingInstruction:this.instruction(e.target,e.value);break;default:throw new Error("This XML node type is not supported in a JS object: "+e.constructor.name)}for(o=0,s=(c=e.children).length;o<s;o++)i=c[o],this.createChildNode(i),i.type===u.Element&&this.up();return this},k.prototype.dummy=function(){return this},k.prototype.node=function(e,t,r){var n;if(null==e)throw new Error("Missing node name.");if(this.root&&-1===this.currentLevel)throw new Error("Document can only have one root node. 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t="",this.writerOptions.state=o.CloseTag,t=e.type===u.Element?this.writer.indent(e,this.writerOptions,this.currentLevel)+"</"+e.name+">"+this.writer.endline(e,this.writerOptions,this.currentLevel):this.writer.indent(e,this.writerOptions,this.currentLevel)+"]>"+this.writer.endline(e,this.writerOptions,this.currentLevel),this.writerOptions.state=o.None,this.onData(t,this.currentLevel),e.isClosed=!0},k.prototype.onData=function(e,t){return this.documentStarted=!0,this.onDataCallback(e,t+1)},k.prototype.onEnd=function(){return this.documentCompleted=!0,this.onEndCallback()},k.prototype.debugInfo=function(e){return null==e?"":"node: <"+e+">"},k.prototype.ele=function(){return this.element.apply(this,arguments)},k.prototype.nod=function(e,t,r){return this.node(e,t,r)},k.prototype.txt=function(e){return this.text(e)},k.prototype.dat=function(e){return this.cdata(e)},k.prototype.com=function(e){return this.comment(e)},k.prototype.ins=function(e,t){return this.instruction(e,t)},k.prototype.dec=function(e,t,r){return this.declaration(e,t,r)},k.prototype.dtd=function(e,t,r){return this.doctype(e,t,r)},k.prototype.e=function(e,t,r){return this.element(e,t,r)},k.prototype.n=function(e,t,r){return this.node(e,t,r)},k.prototype.t=function(e){return this.text(e)},k.prototype.d=function(e){return this.cdata(e)},k.prototype.c=function(e){return this.comment(e)},k.prototype.r=function(e){return this.raw(e)},k.prototype.i=function(e,t){return this.instruction(e,t)},k.prototype.att=function(){return(this.currentNode&&this.currentNode.type===u.DocType?this.attList:this.attribute).apply(this,arguments)},k.prototype.a=function(){return(this.currentNode&&this.currentNode.type===u.DocType?this.attList:this.attribute).apply(this,arguments)},k.prototype.ent=function(e,t){return this.entity(e,t)},k.prototype.pent=function(e,t){return this.pEntity(e,t)},k.prototype.not=function(e,t){return this.notation(e,t)},k)}.call(this)},{"./NodeType":500,"./Utility":501,"./WriterState":502,"./XMLAttribute":503,"./XMLCData":504,"./XMLComment":506,"./XMLDTDAttList":511,"./XMLDTDElement":512,"./XMLDTDEntity":513,"./XMLDTDNotation":514,"./XMLDeclaration":515,"./XMLDocType":516,"./XMLDocument":517,"./XMLElement":520,"./XMLProcessingInstruction":524,"./XMLRaw":525,"./XMLStringWriter":527,"./XMLStringifier":528,"./XMLText":529}],519:[function(e,t,r){!function(){var o={}.hasOwnProperty,s=e("./XMLNode"),a=e("./NodeType");t.exports=function(){var e,t=i,r=s;for(e in r)o.call(r,e)&&(t[e]=r[e]);function n(){this.constructor=t}function i(e){i.__super__.constructor.call(this,e),this.type=a.Dummy}return n.prototype=r.prototype,t.prototype=new n,t.__super__=r.prototype,i.prototype.clone=function(){return Object.create(this)},i.prototype.toString=function(e){return""},i}()}.call(this)},{"./NodeType":500,"./XMLNode":522}],520:[function(t,r,e){!function(){var i={}.hasOwnProperty,e=t("./Utility"),o=e.isObject,s=e.isFunction,c=e.getValue,u=t("./XMLNode"),l=t("./NodeType"),f=t("./XMLAttribute"),p=t("./XMLNamedNodeMap");r.exports=function(){var e,t=a,r=u;for(e in r)i.call(r,e)&&(t[e]=r[e]);function n(){this.constructor=t}function a(e,t,r){var n,i,o,s;if(a.__super__.constructor.call(this,e),null==t)throw new Error("Missing element name. 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not implemented."+this.debugInfo())},a.prototype.getAttributeNS=function(e,t){throw new Error("This DOM method is not implemented."+this.debugInfo())},a.prototype.setAttributeNS=function(e,t,r){throw new Error("This DOM method is not implemented."+this.debugInfo())},a.prototype.removeAttributeNS=function(e,t){throw new Error("This DOM method is not implemented."+this.debugInfo())},a.prototype.getAttributeNodeNS=function(e,t){throw new Error("This DOM method is not implemented."+this.debugInfo())},a.prototype.setAttributeNodeNS=function(e){throw new Error("This DOM method is not implemented."+this.debugInfo())},a.prototype.getElementsByTagNameNS=function(e,t){throw new Error("This DOM method is not implemented."+this.debugInfo())},a.prototype.hasAttribute=function(e){return this.attribs.hasOwnProperty(e)},a.prototype.hasAttributeNS=function(e,t){throw new Error("This DOM method is not implemented."+this.debugInfo())},a.prototype.setIdAttribute=function(e,t){return this.attribs.hasOwnProperty(e)?this.attribs[e].isId:t},a.prototype.setIdAttributeNS=function(e,t,r){throw new Error("This DOM method is not implemented."+this.debugInfo())},a.prototype.setIdAttributeNode=function(e,t){throw new Error("This DOM method is not implemented."+this.debugInfo())},a.prototype.getElementsByTagName=function(e){throw new Error("This DOM method is not implemented."+this.debugInfo())},a.prototype.getElementsByTagNameNS=function(e,t){throw new Error("This DOM method is not implemented."+this.debugInfo())},a.prototype.getElementsByClassName=function(e){throw new Error("This DOM method is not implemented."+this.debugInfo())},a.prototype.isEqualNode=function(e){var t,r,n;if(!a.__super__.isEqualNode.apply(this,arguments).isEqualNode(e))return!1;if(e.namespaceURI!==this.namespaceURI)return!1;if(e.prefix!==this.prefix)return!1;if(e.localName!==this.localName)return!1;if(e.attribs.length!==this.attribs.length)return!1;for(t=r=0,n=this.attribs.length-1;0<=n?r<=n:n<=r;t=0<=n?++r:--r)if(!this.attribs[t].isEqualNode(e.attribs[t]))return!1;return!0},a}()}.call(this)},{"./NodeType":500,"./Utility":501,"./XMLAttribute":503,"./XMLNamedNodeMap":521,"./XMLNode":522}],521:[function(e,t,r){!function(){function e(e){this.nodes=e}t.exports=(Object.defineProperty(e.prototype,"length",{get:function(){return Object.keys(this.nodes).length||0}}),e.prototype.clone=function(){return this.nodes=null},e.prototype.getNamedItem=function(e){return this.nodes[e]},e.prototype.setNamedItem=function(e){var t=this.nodes[e.nodeName];return this.nodes[e.nodeName]=e,t||null},e.prototype.removeNamedItem=function(e){var t=this.nodes[e];return delete this.nodes[e],t||null},e.prototype.item=function(e){return this.nodes[Object.keys(this.nodes)[e]]||null},e.prototype.getNamedItemNS=function(e,t){throw new Error("This DOM method is not implemented.")},e.prototype.setNamedItemNS=function(e){throw new Error("This DOM method is not implemented.")},e.prototype.removeNamedItemNS=function(e,t){throw new Error("This DOM method is not implemented.")},e)}.call(this)},{}],522:[function(v,j,e){!function(){var r,f,t,n,i,p,o,s,a,c,u,l,d,h,y,m,e,b={}.hasOwnProperty;function g(e){this.parent=e,this.parent&&(this.options=this.parent.options,this.stringify=this.parent.stringify),this.value=null,this.children=[],this.baseURI=null,s||(s=v("./XMLElement"),t=v("./XMLCData"),n=v("./XMLComment"),i=v("./XMLDeclaration"),p=v("./XMLDocType"),u=v("./XMLRaw"),l=v("./XMLText"),c=v("./XMLProcessingInstruction"),o=v("./XMLDummy"),f=v("./NodeType"),a=v("./XMLNodeList"),v("./XMLNamedNodeMap"),r=v("./DocumentPosition"))}e=v("./Utility"),m=e.isObject,y=e.isFunction,h=e.isEmpty,d=e.getValue,r=a=f=o=c=l=u=p=i=n=t=s=null,j.exports=(Object.defineProperty(g.prototype,"nodeName",{get:function(){return this.name}}),Object.defineProperty(g.prototype,"nodeType",{get:function(){return this.type}}),Object.defineProperty(g.prototype,"nodeValue",{get:function(){return this.value}}),Object.defineProperty(g.prototype,"parentNode",{get:function(){return this.parent}}),Object.defineProperty(g.prototype,"childNodes",{get:function(){return this.childNodeList&&this.childNodeList.nodes||(this.childNodeList=new a(this.children)),this.childNodeList}}),Object.defineProperty(g.prototype,"firstChild",{get:function(){return this.children[0]||null}}),Object.defineProperty(g.prototype,"lastChild",{get:function(){return this.children[this.children.length-1]||null}}),Object.defineProperty(g.prototype,"previousSibling",{get:function(){var e=this.parent.children.indexOf(this);return this.parent.children[e-1]||null}}),Object.defineProperty(g.prototype,"nextSibling",{get:function(){var e=this.parent.children.indexOf(this);return this.parent.children[e+1]||null}}),Object.defineProperty(g.prototype,"ownerDocument",{get:function(){return this.document()||null}}),Object.defineProperty(g.prototype,"textContent",{get:function(){var e,t,r,n,i;if(this.nodeType!==f.Element&&this.nodeType!==f.DocumentFragment)return null;for(i="",t=0,r=(n=this.children).length;t<r;t++)(e=n[t]).textContent&&(i+=e.textContent);return i},set:function(e){throw new Error("This DOM method is not implemented."+this.debugInfo())}}),g.prototype.setParent=function(e){var t,r,n,i,o;for((this.parent=e)&&(this.options=e.options,this.stringify=e.stringify),o=[],r=0,n=(i=this.children).length;r<n;r++)t=i[r],o.push(t.setParent(this));return o},g.prototype.element=function(e,t,r){var n,i,o,s,a,c,u,l,f,p=null;if(null===t&&null==r&&(t=(l=[{},null])[0],r=l[1]),t=d(t=null==t?{}:t),m(t)||(r=(l=[t,r])[0],t=l[1]),null!=e&&(e=d(e)),Array.isArray(e))for(o=0,c=e.length;o<c;o++)i=e[o],p=this.element(i);else if(y(e))p=this.element(e.apply());else if(m(e)){for(a in e)if(b.call(e,a))if(f=e[a],y(f)&&(f=f.apply()),!this.options.ignoreDecorators&&this.stringify.convertAttKey&&0===a.indexOf(this.stringify.convertAttKey))p=this.attribute(a.substr(this.stringify.convertAttKey.length),f);else if(!this.options.separateArrayItems&&Array.isArray(f)&&h(f))p=this.dummy();else if(m(f)&&h(f))p=this.element(a);else if(this.options.keepNullNodes||null!=f)if(!this.options.separateArrayItems&&Array.isArray(f))for(s=0,u=f.length;s<u;s++)i=f[s],(n={})[a]=i,p=this.element(n);else m(f)?!this.options.ignoreDecorators&&this.stringify.convertTextKey&&0===a.indexOf(this.stringify.convertTextKey)?p=this.element(f):(p=this.element(a)).element(f):p=this.element(a,f);else p=this.dummy()}else p=this.options.keepNullNodes||null!==r?!this.options.ignoreDecorators&&this.stringify.convertTextKey&&0===e.indexOf(this.stringify.convertTextKey)?this.text(r):!this.options.ignoreDecorators&&this.stringify.convertCDataKey&&0===e.indexOf(this.stringify.convertCDataKey)?this.cdata(r):!this.options.ignoreDecorators&&this.stringify.convertCommentKey&&0===e.indexOf(this.stringify.convertCommentKey)?this.comment(r):!this.options.ignoreDecorators&&this.stringify.convertRawKey&&0===e.indexOf(this.stringify.convertRawKey)?this.raw(r):!this.options.ignoreDecorators&&this.stringify.convertPIKey&&0===e.indexOf(this.stringify.convertPIKey)?this.instruction(e.substr(this.stringify.convertPIKey.length),r):this.node(e,t,r):this.dummy();if(null==p)throw new Error("Could not create any elements with: "+e+". 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/*! Fabric.js Copyright 2008-2015, Printio (Juriy Zaytsev, Maxim Chernyak) */
var fabric=fabric||{version:"5.2.1"};if("undefined"!=typeof exports?exports.fabric=fabric:"function"==typeof define&&define.amd&&define([],function(){return fabric}),"undefined"!=typeof document&&"undefined"!=typeof window)document instanceof("undefined"!=typeof HTMLDocument?HTMLDocument:Document)?fabric.document=document:fabric.document=document.implementation.createHTMLDocument(""),fabric.window=window;else{var jsdom=require("jsdom"),virtualWindow=new jsdom.JSDOM(decodeURIComponent("%3C!DOCTYPE%20html%3E%3Chtml%3E%3Chead%3E%3C%2Fhead%3E%3Cbody%3E%3C%2Fbody%3E%3C%2Fhtml%3E"),{features:{FetchExternalResources:["img"]},resources:"usable"}).window;fabric.document=virtualWindow.document,fabric.jsdomImplForWrapper=require("jsdom/lib/jsdom/living/generated/utils").implForWrapper,fabric.nodeCanvas=require("jsdom/lib/jsdom/utils").Canvas,fabric.window=virtualWindow,DOMParser=fabric.window.DOMParser}function resizeCanvasIfNeeded(t){var 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i=fabric.document.createElement("div");i.style.width=i.style.height="1px",i.style.left=i.style.top="-100%",i.style.position="absolute",i.appendChild(t),fabric.document.querySelector("body").appendChild(i),t.onload=function(){e(),i.parentNode.removeChild(i),i=null}},enlivenObjects:function(t,e,i,r){var n=[],s=0,o=(t=t||[]).length;function a(){++s===o&&e&&e(n.filter(function(t){return t}))}o?t.forEach(function(t,e){t&&t.type?fabric.util.getKlass(t.type,i).fromObject(t,function(i,s){s||(n[e]=i),r&&r(t,i,s),a()}):a()}):e&&e(n)},enlivenObjectEnlivables:function(t,e,i){var r=fabric.Object.ENLIVEN_PROPS.filter(function(e){return!!t[e]});fabric.util.enlivenObjects(r.map(function(e){return t[e]}),function(t){var n={};r.forEach(function(i,r){n[i]=t[r],e&&(e[i]=t[r])}),i&&i(n)})},enlivenPatterns:function(t,e){function i(){++n===s&&e&&e(r)}var r=[],n=0,s=(t=t||[]).length;s?t.forEach(function(t,e){t&&t.source?new fabric.Pattern(t,function(t){r[e]=t,i()}):(r[e]=t,i())}):e&&e(r)},groupSVGElements:function(t,e,i){var r;return t&&1===t.length?t[0]:(e&&(e.width&&e.height?e.centerPoint={x:e.width/2,y:e.height/2}:(delete e.width,delete e.height)),r=new fabric.Group(t,e),void 0!==i&&(r.sourcePath=i),r)},populateWithProperties:function(t,e,i){if(i&&Array.isArray(i))for(var r=0,n=i.length;r<n;r++)i[r]in t&&(e[i[r]]=t[i[r]])},createCanvasElement:function(){return fabric.document.createElement("canvas")},copyCanvasElement:function(t){var e=fabric.util.createCanvasElement();return e.width=t.width,e.height=t.height,e.getContext("2d").drawImage(t,0,0),e},toDataURL:function(t,e,i){return t.toDataURL("image/"+e,i)},createImage:function(){return fabric.document.createElement("img")},multiplyTransformMatrices:function(t,e,i){return[t[0]*e[0]+t[2]*e[1],t[1]*e[0]+t[3]*e[1],t[0]*e[2]+t[2]*e[3],t[1]*e[2]+t[3]*e[3],i?0:t[0]*e[4]+t[2]*e[5]+t[4],i?0:t[1]*e[4]+t[3]*e[5]+t[5]]},qrDecompose:function(t){var s=i(t[1],t[0]),o=r(t[0],2)+r(t[1],2),a=e(o),c=(t[0]*t[3]-t[2]*t[1])/a,h=i(t[0]*t[2]+t[1]*t[3],o);return{angle:s/n,scaleX:a,scaleY:c,skewX:h/n,skewY:0,translateX:t[4],translateY:t[5]}},calcRotateMatrix:function(t){if(!t.angle)return fabric.iMatrix.concat();var e=fabric.util.degreesToRadians(t.angle),i=fabric.util.cos(e),r=fabric.util.sin(e);return[i,r,-r,i,0,0]},calcDimensionsMatrix:function(t){var e=void 0===t.scaleX?1:t.scaleX,i=void 0===t.scaleY?1:t.scaleY,r=[t.flipX?-e:e,0,0,t.flipY?-i:i,0,0],n=fabric.util.multiplyTransformMatrices,s=fabric.util.degreesToRadians;return t.skewX&&(r=n(r,[1,0,Math.tan(s(t.skewX)),1],!0)),t.skewY&&(r=n(r,[1,Math.tan(s(t.skewY)),0,1],!0)),r},composeMatrix:function(t){var e=[1,0,0,1,t.translateX||0,t.translateY||0],i=fabric.util.multiplyTransformMatrices;return t.angle&&(e=i(e,fabric.util.calcRotateMatrix(t))),(1!==t.scaleX||1!==t.scaleY||t.skewX||t.skewY||t.flipX||t.flipY)&&(e=i(e,fabric.util.calcDimensionsMatrix(t))),e},resetObjectTransform:function(t){t.scaleX=1,t.scaleY=1,t.skewX=0,t.skewY=0,t.flipX=!1,t.flipY=!1,t.rotate(0)},saveObjectTransform:function(t){return{scaleX:t.scaleX,scaleY:t.scaleY,skewX:t.skewX,skewY:t.skewY,angle:t.angle,left:t.left,flipX:t.flipX,flipY:t.flipY,top:t.top}},isTransparent:function(t,e,i,r){r>0&&(e>r?e-=r:e=0,i>r?i-=r:i=0);var n,s=!0,o=t.getImageData(e,i,2*r||1,2*r||1),a=o.data.length;for(n=3;n<a&&!1!==(s=o.data[n]<=0);n+=4);return o=null,s},parsePreserveAspectRatioAttribute:function(t){var e,i="meet",r=t.split(" ");return r&&r.length&&("meet"!==(i=r.pop())&&"slice"!==i?(e=i,i="meet"):r.length&&(e=r.pop())),{meetOrSlice:i,alignX:"none"!==e?e.slice(1,4):"none",alignY:"none"!==e?e.slice(5,8):"none"}},clearFabricFontCache:function(t){(t=(t||"").toLowerCase())?fabric.charWidthsCache[t]&&delete fabric.charWidthsCache[t]:fabric.charWidthsCache={}},limitDimsByArea:function(t,e){var i=Math.sqrt(e*t),r=Math.floor(e/i);return{x:Math.floor(i),y:r}},capValue:function(t,e,i){return Math.max(t,Math.min(e,i))},findScaleToFit:function(t,e){return Math.min(e.width/t.width,e.height/t.height)},findScaleToCover:function(t,e){return Math.max(e.width/t.width,e.height/t.height)},matrixToSVG:function(t){return"matrix("+t.map(function(t){return fabric.util.toFixed(t,fabric.Object.NUM_FRACTION_DIGITS)}).join(" ")+")"},removeTransformFromObject:function(t,e){var i=fabric.util.invertTransform(e),r=fabric.util.multiplyTransformMatrices(i,t.calcOwnMatrix());fabric.util.applyTransformToObject(t,r)},addTransformToObject:function(t,e){fabric.util.applyTransformToObject(t,fabric.util.multiplyTransformMatrices(e,t.calcOwnMatrix()))},applyTransformToObject:function(t,e){var i=fabric.util.qrDecompose(e),r=new fabric.Point(i.translateX,i.translateY);t.flipX=!1,t.flipY=!1,t.set("scaleX",i.scaleX),t.set("scaleY",i.scaleY),t.skewX=i.skewX,t.skewY=i.skewY,t.angle=i.angle,t.setPositionByOrigin(r,"center","center")},sizeAfterTransform:function(t,e,i){var r=t/2,n=e/2,s=[{x:-r,y:-n},{x:r,y:-n},{x:-r,y:n},{x:r,y:n}],o=fabric.util.calcDimensionsMatrix(i),a=fabric.util.makeBoundingBoxFromPoints(s,o);return{x:a.width,y:a.height}},mergeClipPaths:function(t,e){var i=t,r=e;i.inverted&&!r.inverted&&(i=e,r=t),fabric.util.applyTransformToObject(r,fabric.util.multiplyTransformMatrices(fabric.util.invertTransform(i.calcTransformMatrix()),r.calcTransformMatrix()));var n=i.inverted&&r.inverted;return n&&(i.inverted=r.inverted=!1),new fabric.Group([i],{clipPath:r,inverted:n})},hasStyleChanged:function(t,e,i){return i=i||!1,t.fill!==e.fill||t.stroke!==e.stroke||t.strokeWidth!==e.strokeWidth||t.fontSize!==e.fontSize||t.fontFamily!==e.fontFamily||t.fontWeight!==e.fontWeight||t.fontStyle!==e.fontStyle||t.deltaY!==e.deltaY||i&&(t.overline!==e.overline||t.underline!==e.underline||t.linethrough!==e.linethrough)},stylesToArray:function(t,e){t=fabric.util.object.clone(t,!0);for(var i=e.split("\n"),r=-1,n={},s=[],o=0;o<i.length;o++)if(t[o])for(var a=0;a<i[o].length;a++){r++;var c=t[o][a];if(c)fabric.util.hasStyleChanged(n,c,!0)?s.push({start:r,end:r+1,style:c}):s[s.length-1].end++;n=c||{}}else r+=i[o].length;return s},stylesFromArray:function(t,e){if(!Array.isArray(t))return t;for(var i=e.split("\n"),r=-1,n=0,s={},o=0;o<i.length;o++)for(var a=0;a<i[o].length;a++)r++,t[n]&&t[n].start<=r&&r<t[n].end&&(s[o]=s[o]||{},s[o][a]=Object.assign({},t[n].style),r===t[n].end-1&&n++);return s}}}("undefined"!=typeof exports?exports:this),function(){var t=Array.prototype.join,e={m:2,l:2,h:1,v:1,c:6,s:4,q:4,t:2,a:7},i={m:"l",M:"L"};function r(t,e,i,r,n,s,o,a,c,h,l){var u=fabric.util.cos(t),f=fabric.util.sin(t),d=fabric.util.cos(e),g=fabric.util.sin(e),p=i*n*d-r*s*g+o,v=r*n*d+i*s*g+a;return["C",h+c*(-i*n*f-r*s*u),l+c*(-r*n*f+i*s*u),p+c*(i*n*g+r*s*d),v+c*(r*n*g-i*s*d),p,v]}function n(t,e,i,r){var n=Math.atan2(e,t),s=Math.atan2(r,i);return s>=n?s-n:2*Math.PI-(n-s)}function s(t,e,i){for(var s=i[1],o=i[2],a=i[3],c=i[4],h=i[5],l=function(t,e,i,s,o,a,c){var h=Math.PI,l=c*h/180,u=fabric.util.sin(l),f=fabric.util.cos(l),d=0,g=0,p=-f*t*.5-u*e*.5,v=-f*e*.5+u*t*.5,m=(i=Math.abs(i))*i,b=(s=Math.abs(s))*s,y=v*v,_=p*p,x=m*b-m*y-b*_,C=0;if(x<0){var S=Math.sqrt(1-x/(m*b));i*=S,s*=S}else C=(o===a?-1:1)*Math.sqrt(x/(m*y+b*_));var T=C*i*v/s,w=-C*s*p/i,O=f*T-u*w+.5*t,k=u*T+f*w+.5*e,P=n(1,0,(p-T)/i,(v-w)/s),E=n((p-T)/i,(v-w)/s,(-p-T)/i,(-v-w)/s);0===a&&E>0?E-=2*h:1===a&&E<0&&(E+=2*h);for(var A=Math.ceil(Math.abs(E/h*2)),D=[],j=E/A,M=8/3*Math.sin(j/4)*Math.sin(j/4)/Math.sin(j/2),F=P+j,I=0;I<A;I++)D[I]=r(P,F,f,u,i,s,O,k,M,d,g),d=D[I][5],g=D[I][6],P=F,F+=j;return D}(i[6]-t,i[7]-e,s,o,c,h,a),u=0,f=l.length;u<f;u++)l[u][1]+=t,l[u][2]+=e,l[u][3]+=t,l[u][4]+=e,l[u][5]+=t,l[u][6]+=e;return l}function o(t,e,i,r){return Math.sqrt((i-t)*(i-t)+(r-e)*(r-e))}function a(t,e,i,r,n,s,o,a){return function(c){var h,l=(h=c)*h*h,u=function(t){return 3*t*t*(1-t)}(c),f=function(t){return 3*t*(1-t)*(1-t)}(c),d=function(t){return(1-t)*(1-t)*(1-t)}(c);return{x:o*l+n*u+i*f+t*d,y:a*l+s*u+r*f+e*d}}}function c(t,e,i,r,n,s,o,a){return function(c){var h=1-c,l=3*h*h*(i-t)+6*h*c*(n-i)+3*c*c*(o-n),u=3*h*h*(r-e)+6*h*c*(s-r)+3*c*c*(a-s);return Math.atan2(u,l)}}function h(t,e,i,r,n,s){return function(o){var a,c=(a=o)*a,h=function(t){return 2*t*(1-t)}(o),l=function(t){return(1-t)*(1-t)}(o);return{x:n*c+i*h+t*l,y:s*c+r*h+e*l}}}function l(t,e,i,r,n,s){return function(o){var a=1-o,c=2*a*(i-t)+2*o*(n-i),h=2*a*(r-e)+2*o*(s-r);return Math.atan2(h,c)}}function u(t,e,i){var r,n,s={x:e,y:i},a=0;for(n=1;n<=100;n+=1)r=t(n/100),a+=o(s.x,s.y,r.x,r.y),s=r;return a}function f(t,e){for(var i,r,n,s=0,a=0,c=t.iterator,h={x:t.x,y:t.y},l=.01,u=t.angleFinder;a<e&&l>1e-4;)i=c(s),n=s,(r=o(h.x,h.y,i.x,i.y))+a>e?(s-=l,l/=2):(h=i,s+=l,a+=r);return i.angle=u(n),i}function d(t){for(var e,i,r,n,s=0,f=t.length,d=0,g=0,p=0,v=0,m=[],b=0;b<f;b++){switch(r={x:d,y:g,command:(e=t[b])[0]},e[0]){case"M":r.length=0,p=d=e[1],v=g=e[2];break;case"L":r.length=o(d,g,e[1],e[2]),d=e[1],g=e[2];break;case"C":i=a(d,g,e[1],e[2],e[3],e[4],e[5],e[6]),n=c(d,g,e[1],e[2],e[3],e[4],e[5],e[6]),r.iterator=i,r.angleFinder=n,r.length=u(i,d,g),d=e[5],g=e[6];break;case"Q":i=h(d,g,e[1],e[2],e[3],e[4]),n=l(d,g,e[1],e[2],e[3],e[4]),r.iterator=i,r.angleFinder=n,r.length=u(i,d,g),d=e[3],g=e[4];break;case"Z":case"z":r.destX=p,r.destY=v,r.length=o(d,g,p,v),d=p,g=v}s+=r.length,m.push(r)}return m.push({length:s,x:d,y:g}),m}fabric.util.joinPath=function(t){return t.map(function(t){return t.join(" ")}).join(" ")},fabric.util.parsePath=function(t){var r,n,s,o,a,c=[],h=[],l=fabric.rePathCommand,u="[-+]?(?:\\d*\\.\\d+|\\d+\\.?)(?:[eE][-+]?\\d+)?\\s*",f="("+u+")"+fabric.commaWsp,d="([01])"+fabric.commaWsp+"?",g=new RegExp(f+"?"+f+"?"+f+d+d+f+"?("+u+")","g");if(!t||!t.match)return c;for(var p,v=0,m=(a=t.match(/[mzlhvcsqta][^mzlhvcsqta]*/gi)).length;v<m;v++){o=(r=a[v]).slice(1).trim(),h.length=0;var b=r.charAt(0);if(p=[b],"a"===b.toLowerCase())for(var y;y=g.exec(o);)for(var _=1;_<y.length;_++)h.push(y[_]);else for(;s=l.exec(o);)h.push(s[0]);_=0;for(var x=h.length;_<x;_++)n=parseFloat(h[_]),isNaN(n)||p.push(n);var C=e[b.toLowerCase()],S=i[b]||b;if(p.length-1>C)for(var T=1,w=p.length;T<w;T+=C)c.push([b].concat(p.slice(T,T+C))),b=S;else c.push(p)}return c},fabric.util.makePathSimpler=function(t){var e,i,r,n,o,a,c=0,h=0,l=t.length,u=0,f=0,d=[];for(i=0;i<l;++i){switch(r=!1,(e=t[i].slice(0))[0]){case"l":e[0]="L",e[1]+=c,e[2]+=h;case"L":c=e[1],h=e[2];break;case"h":e[1]+=c;case"H":e[0]="L",e[2]=h,c=e[1];break;case"v":e[1]+=h;case"V":e[0]="L",h=e[1],e[1]=c,e[2]=h;break;case"m":e[0]="M",e[1]+=c,e[2]+=h;case"M":c=e[1],h=e[2],u=e[1],f=e[2];break;case"c":e[0]="C",e[1]+=c,e[2]+=h,e[3]+=c,e[4]+=h,e[5]+=c,e[6]+=h;case"C":o=e[3],a=e[4],c=e[5],h=e[6];break;case"s":e[0]="S",e[1]+=c,e[2]+=h,e[3]+=c,e[4]+=h;case"S":"C"===n?(o=2*c-o,a=2*h-a):(o=c,a=h),c=e[3],h=e[4],e[0]="C",e[5]=e[3],e[6]=e[4],e[3]=e[1],e[4]=e[2],e[1]=o,e[2]=a,o=e[3],a=e[4];break;case"q":e[0]="Q",e[1]+=c,e[2]+=h,e[3]+=c,e[4]+=h;case"Q":o=e[1],a=e[2],c=e[3],h=e[4];break;case"t":e[0]="T",e[1]+=c,e[2]+=h;case"T":"Q"===n?(o=2*c-o,a=2*h-a):(o=c,a=h),e[0]="Q",c=e[1],h=e[2],e[1]=o,e[2]=a,e[3]=c,e[4]=h;break;case"a":e[0]="A",e[6]+=c,e[7]+=h;case"A":r=!0,d=d.concat(s(c,h,e)),c=e[6],h=e[7];break;case"z":case"Z":c=u,h=f}r||d.push(e),n=e[0]}return d},fabric.util.getSmoothPathFromPoints=function(t,e){var i,r=[],n=new fabric.Point(t[0].x,t[0].y),s=new fabric.Point(t[1].x,t[1].y),o=t.length,a=1,c=0,h=o>2;for(e=e||0,h&&(a=t[2].x<s.x?-1:t[2].x===s.x?0:1,c=t[2].y<s.y?-1:t[2].y===s.y?0:1),r.push(["M",n.x-a*e,n.y-c*e]),i=1;i<o;i++){if(!n.eq(s)){var l=n.midPointFrom(s);r.push(["Q",n.x,n.y,l.x,l.y])}n=t[i],i+1<t.length&&(s=t[i+1])}return h&&(a=n.x>t[i-2].x?1:n.x===t[i-2].x?0:-1,c=n.y>t[i-2].y?1:n.y===t[i-2].y?0:-1),r.push(["L",n.x+a*e,n.y+c*e]),r},fabric.util.getPathSegmentsInfo=d,fabric.util.getBoundsOfCurve=function(e,i,r,n,s,o,a,c){var h;if(fabric.cachesBoundsOfCurve&&(h=t.call(arguments),fabric.boundsOfCurveCache[h]))return fabric.boundsOfCurveCache[h];var l,u,f,d,g,p,v,m,b=Math.sqrt,y=Math.min,_=Math.max,x=Math.abs,C=[],S=[[],[]];u=6*e-12*r+6*s,l=-3*e+9*r-9*s+3*a,f=3*r-3*e;for(var T=0;T<2;++T)if(T>0&&(u=6*i-12*n+6*o,l=-3*i+9*n-9*o+3*c,f=3*n-3*i),x(l)<1e-12){if(x(u)<1e-12)continue;0<(d=-f/u)&&d<1&&C.push(d)}else(v=u*u-4*f*l)<0||(0<(g=(-u+(m=b(v)))/(2*l))&&g<1&&C.push(g),0<(p=(-u-m)/(2*l))&&p<1&&C.push(p));for(var w,O,k,P=C.length,E=P;P--;)w=(k=1-(d=C[P]))*k*k*e+3*k*k*d*r+3*k*d*d*s+d*d*d*a,S[0][P]=w,O=k*k*k*i+3*k*k*d*n+3*k*d*d*o+d*d*d*c,S[1][P]=O;S[0][E]=e,S[1][E]=i,S[0][E+1]=a,S[1][E+1]=c;var A=[{x:y.apply(null,S[0]),y:y.apply(null,S[1])},{x:_.apply(null,S[0]),y:_.apply(null,S[1])}];return fabric.cachesBoundsOfCurve&&(fabric.boundsOfCurveCache[h]=A),A},fabric.util.getPointOnPath=function(t,e,i){i||(i=d(t));for(var r=0;e-i[r].length>0&&r<i.length-2;)e-=i[r].length,r++;var n,s=i[r],o=e/s.length,a=s.command,c=t[r];switch(a){case"M":return{x:s.x,y:s.y,angle:0};case"Z":case"z":return(n=new fabric.Point(s.x,s.y).lerp(new fabric.Point(s.destX,s.destY),o)).angle=Math.atan2(s.destY-s.y,s.destX-s.x),n;case"L":return(n=new fabric.Point(s.x,s.y).lerp(new fabric.Point(c[1],c[2]),o)).angle=Math.atan2(c[2]-s.y,c[1]-s.x),n;case"C":case"Q":return f(s,e)}},fabric.util.transformPath=function(t,e,i){return i&&(e=fabric.util.multiplyTransformMatrices(e,[1,0,0,1,-i.x,-i.y])),t.map(function(t){for(var i=t.slice(0),r={},n=1;n<t.length-1;n+=2)r.x=t[n],r.y=t[n+1],r=fabric.util.transformPoint(r,e),i[n]=r.x,i[n+1]=r.y;return i})}}(),function(){var t=Array.prototype.slice;function e(t,e,i){if(t&&0!==t.length){var r=t.length-1,n=e?t[r][e]:t[r];if(e)for(;r--;)i(t[r][e],n)&&(n=t[r][e]);else for(;r--;)i(t[r],n)&&(n=t[r]);return n}}fabric.util.array={fill:function(t,e){for(var i=t.length;i--;)t[i]=e;return t},invoke:function(e,i){for(var r=t.call(arguments,2),n=[],s=0,o=e.length;s<o;s++)n[s]=r.length?e[s][i].apply(e[s],r):e[s][i].call(e[s]);return n},min:function(t,i){return e(t,i,function(t,e){return t<e})},max:function(t,i){return e(t,i,function(t,e){return t>=e})}}}(),function(){function t(e,i,r){if(r)if(!fabric.isLikelyNode&&i instanceof Element)e=i;else if(i instanceof Array){e=[];for(var n=0,s=i.length;n<s;n++)e[n]=t({},i[n],r)}else if(i&&"object"==typeof i)for(var o in i)"canvas"===o||"group"===o?e[o]=null:i.hasOwnProperty(o)&&(e[o]=t({},i[o],r));else e=i;else for(var o in i)e[o]=i[o];return e}fabric.util.object={extend:t,clone:function(e,i){return t({},e,i)}},fabric.util.object.extend(fabric.util,fabric.Observable)}(),function(){function t(t,e){var i=t.charCodeAt(e);if(isNaN(i))return"";if(i<55296||i>57343)return t.charAt(e);if(55296<=i&&i<=56319){if(t.length<=e+1)throw"High surrogate without following low surrogate";var r=t.charCodeAt(e+1);if(56320>r||r>57343)throw"High surrogate without following low surrogate";return t.charAt(e)+t.charAt(e+1)}if(0===e)throw"Low surrogate without preceding high surrogate";var n=t.charCodeAt(e-1);if(55296>n||n>56319)throw"Low surrogate without preceding high surrogate";return!1}fabric.util.string={camelize:function(t){return t.replace(/-+(.)?/g,function(t,e){return e?e.toUpperCase():""})},capitalize:function(t,e){return t.charAt(0).toUpperCase()+(e?t.slice(1):t.slice(1).toLowerCase())},escapeXml:function(t){return t.replace(/&/g,"&amp;").replace(/"/g,"&quot;").replace(/'/g,"&apos;").replace(/</g,"&lt;").replace(/>/g,"&gt;")},graphemeSplit:function(e){var i,r=0,n=[];for(r=0;r<e.length;r++)!1!==(i=t(e,r))&&n.push(i);return n}}}(),function(){var t=Array.prototype.slice,e=function(){},i=function(){for(var t in{toString:1})if("toString"===t)return!1;return!0}(),r=function(t,e,r){for(var n in e)n in t.prototype&&"function"==typeof t.prototype[n]&&(e[n]+"").indexOf("callSuper")>-1?t.prototype[n]=function(t){return function(){var i=this.constructor.superclass;this.constructor.superclass=r;var n=e[t].apply(this,arguments);if(this.constructor.superclass=i,"initialize"!==t)return n}}(n):t.prototype[n]=e[n],i&&(e.toString!==Object.prototype.toString&&(t.prototype.toString=e.toString),e.valueOf!==Object.prototype.valueOf&&(t.prototype.valueOf=e.valueOf))};function n(){}function s(e){for(var i=null,r=this;r.constructor.superclass;){var n=r.constructor.superclass.prototype[e];if(r[e]!==n){i=n;break}r=r.constructor.superclass.prototype}return i?arguments.length>1?i.apply(this,t.call(arguments,1)):i.call(this):console.log("tried to callSuper "+e+", method not found in prototype chain",this)}fabric.util.createClass=function(){var i=null,o=t.call(arguments,0);function a(){this.initialize.apply(this,arguments)}"function"==typeof o[0]&&(i=o.shift()),a.superclass=i,a.subclasses=[],i&&(n.prototype=i.prototype,a.prototype=new n,i.subclasses.push(a));for(var c=0,h=o.length;c<h;c++)r(a,o[c],i);return a.prototype.initialize||(a.prototype.initialize=e),a.prototype.constructor=a,a.prototype.callSuper=s,a}}(),function(){var t=!!fabric.document.createElement("div").attachEvent,e=["touchstart","touchmove","touchend"];fabric.util.addListener=function(e,i,r,n){e&&e.addEventListener(i,r,!t&&n)},fabric.util.removeListener=function(e,i,r,n){e&&e.removeEventListener(i,r,!t&&n)},fabric.util.getPointer=function(t){var e=t.target,i=fabric.util.getScrollLeftTop(e),r=function(t){var e=t.changedTouches;return e&&e[0]?e[0]:t}(t);return{x:r.clientX+i.left,y:r.clientY+i.top}},fabric.util.isTouchEvent=function(t){return e.indexOf(t.type)>-1||"touch"===t.pointerType}}(),function(){var t=fabric.document.createElement("div"),e="string"==typeof t.style.opacity,i="string"==typeof t.style.filter,r=/alpha\s*\(\s*opacity\s*=\s*([^\)]+)\)/,n=function(t){return t};e?n=function(t,e){return t.style.opacity=e,t}:i&&(n=function(t,e){var i=t.style;return t.currentStyle&&!t.currentStyle.hasLayout&&(i.zoom=1),r.test(i.filter)?(e=e>=.9999?"":"alpha(opacity="+100*e+")",i.filter=i.filter.replace(r,e)):i.filter+=" alpha(opacity="+100*e+")",t}),fabric.util.setStyle=function(t,e){var i=t.style;if(!i)return t;if("string"==typeof e)return t.style.cssText+=";"+e,e.indexOf("opacity")>-1?n(t,e.match(/opacity:\s*(\d?\.?\d*)/)[1]):t;for(var r in e)if("opacity"===r)n(t,e[r]);else{var s="float"===r||"cssFloat"===r?void 0===i.styleFloat?"cssFloat":"styleFloat":r;i.setProperty(s,e[r])}return t}}(),function(){var t=Array.prototype.slice;var e,i,r=function(e){return t.call(e,0)};try{e=r(fabric.document.childNodes)instanceof Array}catch(t){}function n(t,e){var i=fabric.document.createElement(t);for(var r in e)"class"===r?i.className=e[r]:"for"===r?i.htmlFor=e[r]:i.setAttribute(r,e[r]);return i}function s(t){for(var e=0,i=0,r=fabric.document.documentElement,n=fabric.document.body||{scrollLeft:0,scrollTop:0};t&&(t.parentNode||t.host)&&((t=t.parentNode||t.host)===fabric.document?(e=n.scrollLeft||r.scrollLeft||0,i=n.scrollTop||r.scrollTop||0):(e+=t.scrollLeft||0,i+=t.scrollTop||0),1!==t.nodeType||"fixed"!==t.style.position););return{left:e,top:i}}e||(r=function(t){for(var e=new Array(t.length),i=t.length;i--;)e[i]=t[i];return e}),i=fabric.document.defaultView&&fabric.document.defaultView.getComputedStyle?function(t,e){var i=fabric.document.defaultView.getComputedStyle(t,null);return i?i[e]:void 0}:function(t,e){var i=t.style[e];return!i&&t.currentStyle&&(i=t.currentStyle[e]),i},function(){var t=fabric.document.documentElement.style,e="userSelect"in t?"userSelect":"MozUserSelect"in t?"MozUserSelect":"WebkitUserSelect"in t?"WebkitUserSelect":"KhtmlUserSelect"in t?"KhtmlUserSelect":"";fabric.util.makeElementUnselectable=function(t){return void 0!==t.onselectstart&&(t.onselectstart=fabric.util.falseFunction),e?t.style[e]="none":"string"==typeof t.unselectable&&(t.unselectable="on"),t},fabric.util.makeElementSelectable=function(t){return void 0!==t.onselectstart&&(t.onselectstart=null),e?t.style[e]="":"string"==typeof t.unselectable&&(t.unselectable=""),t}}(),fabric.util.setImageSmoothing=function(t,e){t.imageSmoothingEnabled=t.imageSmoothingEnabled||t.webkitImageSmoothingEnabled||t.mozImageSmoothingEnabled||t.msImageSmoothingEnabled||t.oImageSmoothingEnabled,t.imageSmoothingEnabled=e},fabric.util.getById=function(t){return"string"==typeof t?fabric.document.getElementById(t):t},fabric.util.toArray=r,fabric.util.addClass=function(t,e){t&&-1===(" "+t.className+" ").indexOf(" "+e+" ")&&(t.className+=(t.className?" ":"")+e)},fabric.util.makeElement=n,fabric.util.wrapElement=function(t,e,i){return"string"==typeof e&&(e=n(e,i)),t.parentNode&&t.parentNode.replaceChild(e,t),e.appendChild(t),e},fabric.util.getScrollLeftTop=s,fabric.util.getElementOffset=function(t){var e,r,n=t&&t.ownerDocument,o={left:0,top:0},a={left:0,top:0},c={borderLeftWidth:"left",borderTopWidth:"top",paddingLeft:"left",paddingTop:"top"};if(!n)return a;for(var h in c)a[c[h]]+=parseInt(i(t,h),10)||0;return e=n.documentElement,void 0!==t.getBoundingClientRect&&(o=t.getBoundingClientRect()),r=s(t),{left:o.left+r.left-(e.clientLeft||0)+a.left,top:o.top+r.top-(e.clientTop||0)+a.top}},fabric.util.getNodeCanvas=function(t){var e=fabric.jsdomImplForWrapper(t);return e._canvas||e._image},fabric.util.cleanUpJsdomNode=function(t){if(fabric.isLikelyNode){var e=fabric.jsdomImplForWrapper(t);e&&(e._image=null,e._canvas=null,e._currentSrc=null,e._attributes=null,e._classList=null)}}}(),function(){function t(){}fabric.util.request=function(e,i){i||(i={});var r=i.method?i.method.toUpperCase():"GET",n=i.onComplete||function(){},s=new fabric.window.XMLHttpRequest,o=i.body||i.parameters;return s.onreadystatechange=function(){4===s.readyState&&(n(s),s.onreadystatechange=t)},"GET"===r&&(o=null,"string"==typeof i.parameters&&(e=function(t,e){return t+(/\?/.test(t)?"&":"?")+e}(e,i.parameters))),s.open(r,e,!0),"POST"!==r&&"PUT"!==r||s.setRequestHeader("Content-Type","application/x-www-form-urlencoded"),s.send(o),s}}(),fabric.log=console.log,fabric.warn=console.warn,function(){var t=fabric.util.object.extend,e=fabric.util.object.clone,i=[];function r(){return!1}function n(t,e,i,r){return-i*Math.cos(t/r*(Math.PI/2))+i+e}fabric.util.object.extend(i,{cancelAll:function(){var t=this.splice(0);return t.forEach(function(t){t.cancel()}),t},cancelByCanvas:function(t){if(!t)return[];var e=this.filter(function(e){return"object"==typeof e.target&&e.target.canvas===t});return e.forEach(function(t){t.cancel()}),e},cancelByTarget:function(t){var e=this.findAnimationsByTarget(t);return e.forEach(function(t){t.cancel()}),e},findAnimationIndex:function(t){return this.indexOf(this.findAnimation(t))},findAnimation:function(t){return this.find(function(e){return e.cancel===t})},findAnimationsByTarget:function(t){return t?this.filter(function(e){return e.target===t}):[]}});var s=fabric.window.requestAnimationFrame||fabric.window.webkitRequestAnimationFrame||fabric.window.mozRequestAnimationFrame||fabric.window.oRequestAnimationFrame||fabric.window.msRequestAnimationFrame||function(t){return fabric.window.setTimeout(t,1e3/60)},o=fabric.window.cancelAnimationFrame||fabric.window.clearTimeout;function a(){return s.apply(fabric.window,arguments)}fabric.util.animate=function(i){i||(i={});var s,o=!1,c=function(){var t=fabric.runningAnimations.indexOf(s);return t>-1&&fabric.runningAnimations.splice(t,1)[0]};return s=t(e(i),{cancel:function(){return o=!0,c()},currentValue:"startValue"in i?i.startValue:0,completionRate:0,durationRate:0}),fabric.runningAnimations.push(s),a(function(t){var e,h=t||+new Date,l=i.duration||500,u=h+l,f=i.onChange||r,d=i.abort||r,g=i.onComplete||r,p=i.easing||n,v="startValue"in i&&i.startValue.length>0,m="startValue"in i?i.startValue:0,b="endValue"in i?i.endValue:100,y=i.byValue||(v?m.map(function(t,e){return b[e]-m[e]}):b-m);i.onStart&&i.onStart(),function t(i){var r=(e=i||+new Date)>u?l:e-h,n=r/l,_=v?m.map(function(t,e){return p(r,m[e],y[e],l)}):p(r,m,y,l),x=v?Math.abs((_[0]-m[0])/y[0]):Math.abs((_-m)/y);if(s.currentValue=v?_.slice():_,s.completionRate=x,s.durationRate=n,!o){if(!d(_,x,n))return e>u?(s.currentValue=v?b.slice():b,s.completionRate=1,s.durationRate=1,f(v?b.slice():b,1,1),g(b,1,1),void c()):(f(_,x,n),void a(t));c()}}(h)}),s.cancel},fabric.util.requestAnimFrame=a,fabric.util.cancelAnimFrame=function(){return o.apply(fabric.window,arguments)},fabric.runningAnimations=i}(),function(){function t(t,e,i){var r="rgba("+parseInt(t[0]+i*(e[0]-t[0]),10)+","+parseInt(t[1]+i*(e[1]-t[1]),10)+","+parseInt(t[2]+i*(e[2]-t[2]),10);return r+=","+(t&&e?parseFloat(t[3]+i*(e[3]-t[3])):1),r+=")"}fabric.util.animateColor=function(e,i,r,n){var s=new fabric.Color(e).getSource(),o=new fabric.Color(i).getSource(),a=n.onComplete,c=n.onChange;return n=n||{},fabric.util.animate(fabric.util.object.extend(n,{duration:r||500,startValue:s,endValue:o,byValue:o,easing:function(e,i,r,s){return t(i,r,n.colorEasing?n.colorEasing(e,s):1-Math.cos(e/s*(Math.PI/2)))},onComplete:function(e,i,r){if(a)return a(t(o,o,0),i,r)},onChange:function(e,i,r){if(c){if(Array.isArray(e))return c(t(e,e,0),i,r);c(e,i,r)}}}))}}(),function(){function t(t,e,i,r){return t<Math.abs(e)?(t=e,r=i/4):r=0===e&&0===t?i/(2*Math.PI)*Math.asin(1):i/(2*Math.PI)*Math.asin(e/t),{a:t,c:e,p:i,s:r}}function e(t,e,i){return t.a*Math.pow(2,10*(e-=1))*Math.sin((e*i-t.s)*(2*Math.PI)/t.p)}function i(t,e,i,n){return i-r(n-t,0,i,n)+e}function r(t,e,i,r){return(t/=r)<1/2.75?i*(7.5625*t*t)+e:t<2/2.75?i*(7.5625*(t-=1.5/2.75)*t+.75)+e:t<2.5/2.75?i*(7.5625*(t-=2.25/2.75)*t+.9375)+e:i*(7.5625*(t-=2.625/2.75)*t+.984375)+e}fabric.util.ease={easeInQuad:function(t,e,i,r){return i*(t/=r)*t+e},easeOutQuad:function(t,e,i,r){return-i*(t/=r)*(t-2)+e},easeInOutQuad:function(t,e,i,r){return(t/=r/2)<1?i/2*t*t+e:-i/2*(--t*(t-2)-1)+e},easeInCubic:function(t,e,i,r){return i*(t/=r)*t*t+e},easeOutCubic:function(t,e,i,r){return i*((t=t/r-1)*t*t+1)+e},easeInOutCubic:function(t,e,i,r){return(t/=r/2)<1?i/2*t*t*t+e:i/2*((t-=2)*t*t+2)+e},easeInQuart:function(t,e,i,r){return i*(t/=r)*t*t*t+e},easeOutQuart:function(t,e,i,r){return-i*((t=t/r-1)*t*t*t-1)+e},easeInOutQuart:function(t,e,i,r){return(t/=r/2)<1?i/2*t*t*t*t+e:-i/2*((t-=2)*t*t*t-2)+e},easeInQuint:function(t,e,i,r){return i*(t/=r)*t*t*t*t+e},easeOutQuint:function(t,e,i,r){return i*((t=t/r-1)*t*t*t*t+1)+e},easeInOutQuint:function(t,e,i,r){return(t/=r/2)<1?i/2*t*t*t*t*t+e:i/2*((t-=2)*t*t*t*t+2)+e},easeInSine:function(t,e,i,r){return-i*Math.cos(t/r*(Math.PI/2))+i+e},easeOutSine:function(t,e,i,r){return i*Math.sin(t/r*(Math.PI/2))+e},easeInOutSine:function(t,e,i,r){return-i/2*(Math.cos(Math.PI*t/r)-1)+e},easeInExpo:function(t,e,i,r){return 0===t?e:i*Math.pow(2,10*(t/r-1))+e},easeOutExpo:function(t,e,i,r){return t===r?e+i:i*(1-Math.pow(2,-10*t/r))+e},easeInOutExpo:function(t,e,i,r){return 0===t?e:t===r?e+i:(t/=r/2)<1?i/2*Math.pow(2,10*(t-1))+e:i/2*(2-Math.pow(2,-10*--t))+e},easeInCirc:function(t,e,i,r){return-i*(Math.sqrt(1-(t/=r)*t)-1)+e},easeOutCirc:function(t,e,i,r){return i*Math.sqrt(1-(t=t/r-1)*t)+e},easeInOutCirc:function(t,e,i,r){return(t/=r/2)<1?-i/2*(Math.sqrt(1-t*t)-1)+e:i/2*(Math.sqrt(1-(t-=2)*t)+1)+e},easeInElastic:function(i,r,n,s){var o=0;return 0===i?r:1==(i/=s)?r+n:(o||(o=.3*s),-e(t(n,n,o,1.70158),i,s)+r)},easeOutElastic:function(e,i,r,n){var s=0;if(0===e)return i;if(1==(e/=n))return i+r;s||(s=.3*n);var o=t(r,r,s,1.70158);return o.a*Math.pow(2,-10*e)*Math.sin((e*n-o.s)*(2*Math.PI)/o.p)+o.c+i},easeInOutElastic:function(i,r,n,s){var o=0;if(0===i)return r;if(2==(i/=s/2))return r+n;o||(o=s*(.3*1.5));var a=t(n,n,o,1.70158);return i<1?-.5*e(a,i,s)+r:a.a*Math.pow(2,-10*(i-=1))*Math.sin((i*s-a.s)*(2*Math.PI)/a.p)*.5+a.c+r},easeInBack:function(t,e,i,r,n){return void 0===n&&(n=1.70158),i*(t/=r)*t*((n+1)*t-n)+e},easeOutBack:function(t,e,i,r,n){return void 0===n&&(n=1.70158),i*((t=t/r-1)*t*((n+1)*t+n)+1)+e},easeInOutBack:function(t,e,i,r,n){return void 0===n&&(n=1.70158),(t/=r/2)<1?i/2*(t*t*((1+(n*=1.525))*t-n))+e:i/2*((t-=2)*t*((1+(n*=1.525))*t+n)+2)+e},easeInBounce:i,easeOutBounce:r,easeInOutBounce:function(t,e,n,s){return t<s/2?.5*i(2*t,0,n,s)+e:.5*r(2*t-s,0,n,s)+.5*n+e}}}(),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,r=e.util.object.clone,n=e.util.toFixed,s=e.util.parseUnit,o=e.util.multiplyTransformMatrices,a={cx:"left",x:"left",r:"radius",cy:"top",y:"top",display:"visible",visibility:"visible",transform:"transformMatrix","fill-opacity":"fillOpacity","fill-rule":"fillRule","font-family":"fontFamily","font-size":"fontSize","font-style":"fontStyle","font-weight":"fontWeight","letter-spacing":"charSpacing","paint-order":"paintFirst","stroke-dasharray":"strokeDashArray","stroke-dashoffset":"strokeDashOffset","stroke-linecap":"strokeLineCap","stroke-linejoin":"strokeLineJoin","stroke-miterlimit":"strokeMiterLimit","stroke-opacity":"strokeOpacity","stroke-width":"strokeWidth","text-decoration":"textDecoration","text-anchor":"textAnchor",opacity:"opacity","clip-path":"clipPath","clip-rule":"clipRule","vector-effect":"strokeUniform","image-rendering":"imageSmoothing"},c={stroke:"strokeOpacity",fill:"fillOpacity"};function h(t){return t in a?a[t]:t}function 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i(Math.max(this.x,t.x),Math.max(this.y,t.y))},toString:function(){return this.x+","+this.y},setXY:function(t,e){return this.x=t,this.y=e,this},setX:function(t){return this.x=t,this},setY:function(t){return this.y=t,this},setFromPoint:function(t){return this.x=t.x,this.y=t.y,this},swap:function(t){var e=this.x,i=this.y;this.x=t.x,this.y=t.y,t.x=e,t.y=i},clone:function(){return new i(this.x,this.y)}})}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={});function i(t){this.status=t,this.points=[]}e.Intersection?e.warn("fabric.Intersection is already defined"):(e.Intersection=i,e.Intersection.prototype={constructor:i,appendPoint:function(t){return this.points.push(t),this},appendPoints:function(t){return this.points=this.points.concat(t),this}},e.Intersection.intersectLineLine=function(t,r,n,s){var o,a=(s.x-n.x)*(t.y-n.y)-(s.y-n.y)*(t.x-n.x),c=(r.x-t.x)*(t.y-n.y)-(r.y-t.y)*(t.x-n.x),h=(s.y-n.y)*(r.x-t.x)-(s.x-n.x)*(r.y-t.y);if(0!==h){var l=a/h,u=c/h;0<=l&&l<=1&&0<=u&&u<=1?(o=new i("Intersection")).appendPoint(new e.Point(t.x+l*(r.x-t.x),t.y+l*(r.y-t.y))):o=new i}else o=new i(0===a||0===c?"Coincident":"Parallel");return o},e.Intersection.intersectLinePolygon=function(t,e,r){var n,s,o,a,c=new i,h=r.length;for(a=0;a<h;a++)n=r[a],s=r[(a+1)%h],o=i.intersectLineLine(t,e,n,s),c.appendPoints(o.points);return c.points.length>0&&(c.status="Intersection"),c},e.Intersection.intersectPolygonPolygon=function(t,e){var r,n=new i,s=t.length;for(r=0;r<s;r++){var o=t[r],a=t[(r+1)%s],c=i.intersectLinePolygon(o,a,e);n.appendPoints(c.points)}return n.points.length>0&&(n.status="Intersection"),n},e.Intersection.intersectPolygonRectangle=function(t,r,n){var s=r.min(n),o=r.max(n),a=new e.Point(o.x,s.y),c=new e.Point(s.x,o.y),h=i.intersectLinePolygon(s,a,t),l=i.intersectLinePolygon(a,o,t),u=i.intersectLinePolygon(o,c,t),f=i.intersectLinePolygon(c,s,t),d=new i;return d.appendPoints(h.points),d.appendPoints(l.points),d.appendPoints(u.points),d.appendPoints(f.points),d.points.length>0&&(d.status="Intersection"),d})}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={});function i(t){t?this._tryParsingColor(t):this.setSource([0,0,0,1])}function r(t,e,i){return i<0&&(i+=1),i>1&&(i-=1),i<1/6?t+6*(e-t)*i:i<.5?e:i<2/3?t+(e-t)*(2/3-i)*6:t}e.Color?e.warn("fabric.Color is already defined."):(e.Color=i,e.Color.prototype={_tryParsingColor:function(t){var e;t in i.colorNameMap&&(t=i.colorNameMap[t]),"transparent"===t&&(e=[255,255,255,0]),e||(e=i.sourceFromHex(t)),e||(e=i.sourceFromRgb(t)),e||(e=i.sourceFromHsl(t)),e||(e=[0,0,0,1]),e&&this.setSource(e)},_rgbToHsl:function(t,i,r){t/=255,i/=255,r/=255;var n,s,o,a=e.util.array.max([t,i,r]),c=e.util.array.min([t,i,r]);if(o=(a+c)/2,a===c)n=s=0;else{var h=a-c;switch(s=o>.5?h/(2-a-c):h/(a+c),a){case t:n=(i-r)/h+(i<r?6:0);break;case i:n=(r-t)/h+2;break;case r:n=(t-i)/h+4}n/=6}return[Math.round(360*n),Math.round(100*s),Math.round(100*o)]},getSource:function(){return this._source},setSource:function(t){this._source=t},toRgb:function(){var t=this.getSource();return"rgb("+t[0]+","+t[1]+","+t[2]+")"},toRgba:function(){var t=this.getSource();return"rgba("+t[0]+","+t[1]+","+t[2]+","+t[3]+")"},toHsl:function(){var t=this.getSource(),e=this._rgbToHsl(t[0],t[1],t[2]);return"hsl("+e[0]+","+e[1]+"%,"+e[2]+"%)"},toHsla:function(){var t=this.getSource(),e=this._rgbToHsl(t[0],t[1],t[2]);return"hsla("+e[0]+","+e[1]+"%,"+e[2]+"%,"+t[3]+")"},toHex:function(){var t,e,i,r=this.getSource();return t=1===(t=r[0].toString(16)).length?"0"+t:t,e=1===(e=r[1].toString(16)).length?"0"+e:e,i=1===(i=r[2].toString(16)).length?"0"+i:i,t.toUpperCase()+e.toUpperCase()+i.toUpperCase()},toHexa:function(){var t,e=this.getSource();return t=1===(t=(t=Math.round(255*e[3])).toString(16)).length?"0"+t:t,this.toHex()+t.toUpperCase()},getAlpha:function(){return this.getSource()[3]},setAlpha:function(t){var e=this.getSource();return e[3]=t,this.setSource(e),this},toGrayscale:function(){var t=this.getSource(),e=parseInt((.3*t[0]+.59*t[1]+.11*t[2]).toFixed(0),10),i=t[3];return this.setSource([e,e,e,i]),this},toBlackWhite:function(t){var e=this.getSource(),i=(.3*e[0]+.59*e[1]+.11*e[2]).toFixed(0),r=e[3];return t=t||127,i=Number(i)<Number(t)?0:255,this.setSource([i,i,i,r]),this},overlayWith:function(t){t instanceof i||(t=new i(t));var e,r=[],n=this.getAlpha(),s=this.getSource(),o=t.getSource();for(e=0;e<3;e++)r.push(Math.round(.5*s[e]+.5*o[e]));return r[3]=n,this.setSource(r),this}},e.Color.reRGBa=/^rgba?\(\s*(\d{1,3}(?:\.\d+)?\%?)\s*,\s*(\d{1,3}(?:\.\d+)?\%?)\s*,\s*(\d{1,3}(?:\.\d+)?\%?)\s*(?:\s*,\s*((?:\d*\.?\d+)?)\s*)?\)$/i,e.Color.reHSLa=/^hsla?\(\s*(\d{1,3})\s*,\s*(\d{1,3}\%)\s*,\s*(\d{1,3}\%)\s*(?:\s*,\s*(\d+(?:\.\d+)?)\s*)?\)$/i,e.Color.reHex=/^#?([0-9a-f]{8}|[0-9a-f]{6}|[0-9a-f]{4}|[0-9a-f]{3})$/i,e.Color.colorNameMap={aliceblue:"#F0F8FF",antiquewhite:"#FAEBD7",aqua:"#00FFFF",aquamarine:"#7FFFD4",azure:"#F0FFFF",beige:"#F5F5DC",bisque:"#FFE4C4",black:"#000000",blanchedalmond:"#FFEBCD",blue:"#0000FF",blueviolet:"#8A2BE2",brown:"#A52A2A",burlywood:"#DEB887",cadetblue:"#5F9EA0",chartreuse:"#7FFF00",chocolate:"#D2691E",coral:"#FF7F50",cornflowerblue:"#6495ED",cornsilk:"#FFF8DC",crimson:"#DC143C",cyan:"#00FFFF",darkblue:"#00008B",darkcyan:"#008B8B",darkgoldenrod:"#B8860B",darkgray:"#A9A9A9",darkgrey:"#A9A9A9",darkgreen:"#006400",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:"#FF00FF",gainsboro:"#DCDCDC",ghostwhite:"#F8F8FF",gold:"#FFD700",goldenrod:"#DAA520",gray:"#808080",grey:"#808080",green:"#008000",greenyellow:"#ADFF2F",honeydew:"#F0FFF0",hotpink:"#FF69B4",indianred:"#CD5C5C",indigo:"#4B0082",ivory:"#FFFFF0",khaki:"#F0E68C",lavender:"#E6E6FA",lavenderblush:"#FFF0F5",lawngreen:"#7CFC00",lemonchiffon:"#FFFACD",lightblue:"#ADD8E6",lightcoral:"#F08080",lightcyan:"#E0FFFF",lightgoldenrodyellow:"#FAFAD2",lightgray:"#D3D3D3",lightgrey:"#D3D3D3",lightgreen:"#90EE90",lightpink:"#FFB6C1",lightsalmon:"#FFA07A",lightseagreen:"#20B2AA",lightskyblue:"#87CEFA",lightslategray:"#778899",lightslategrey:"#778899",lightsteelblue:"#B0C4DE",lightyellow:"#FFFFE0",lime:"#00FF00",limegreen:"#32CD32",linen:"#FAF0E6",magenta:"#FF00FF",maroon:"#800000",mediumaquamarine:"#66CDAA",mediumblue:"#0000CD",mediumorchid:"#BA55D3",mediumpurple:"#9370DB",mediumseagreen:"#3CB371",mediumslateblue:"#7B68EE",mediumspringgreen:"#00FA9A",mediumturquoise:"#48D1CC",mediumvioletred:"#C71585",midnightblue:"#191970",mintcream:"#F5FFFA",mistyrose:"#FFE4E1",moccasin:"#FFE4B5",navajowhite:"#FFDEAD",navy:"#000080",oldlace:"#FDF5E6",olive:"#808000",olivedrab:"#6B8E23",orange:"#FFA500",orangered:"#FF4500",orchid:"#DA70D6",palegoldenrod:"#EEE8AA",palegreen:"#98FB98",paleturquoise:"#AFEEEE",palevioletred:"#DB7093",papayawhip:"#FFEFD5",peachpuff:"#FFDAB9",peru:"#CD853F",pink:"#FFC0CB",plum:"#DDA0DD",powderblue:"#B0E0E6",purple:"#800080",rebeccapurple:"#663399",red:"#FF0000",rosybrown:"#BC8F8F",royalblue:"#4169E1",saddlebrown:"#8B4513",salmon:"#FA8072",sandybrown:"#F4A460",seagreen:"#2E8B57",seashell:"#FFF5EE",sienna:"#A0522D",silver:"#C0C0C0",skyblue:"#87CEEB",slateblue:"#6A5ACD",slategray:"#708090",slategrey:"#708090",snow:"#FFFAFA",springgreen:"#00FF7F",steelblue:"#4682B4",tan:"#D2B48C",teal:"#008080",thistle:"#D8BFD8",tomato:"#FF6347",turquoise:"#40E0D0",violet:"#EE82EE",wheat:"#F5DEB3",white:"#FFFFFF",whitesmoke:"#F5F5F5",yellow:"#FFFF00",yellowgreen:"#9ACD32"},e.Color.fromRgb=function(t){return i.fromSource(i.sourceFromRgb(t))},e.Color.sourceFromRgb=function(t){var e=t.match(i.reRGBa);if(e){var r=parseInt(e[1],10)/(/%$/.test(e[1])?100:1)*(/%$/.test(e[1])?255:1),n=parseInt(e[2],10)/(/%$/.test(e[2])?100:1)*(/%$/.test(e[2])?255:1),s=parseInt(e[3],10)/(/%$/.test(e[3])?100:1)*(/%$/.test(e[3])?255:1);return[parseInt(r,10),parseInt(n,10),parseInt(s,10),e[4]?parseFloat(e[4]):1]}},e.Color.fromRgba=i.fromRgb,e.Color.fromHsl=function(t){return i.fromSource(i.sourceFromHsl(t))},e.Color.sourceFromHsl=function(t){var e=t.match(i.reHSLa);if(e){var n,s,o,a=(parseFloat(e[1])%360+360)%360/360,c=parseFloat(e[2])/(/%$/.test(e[2])?100:1),h=parseFloat(e[3])/(/%$/.test(e[3])?100:1);if(0===c)n=s=o=h;else{var l=h<=.5?h*(c+1):h+c-h*c,u=2*h-l;n=r(u,l,a+1/3),s=r(u,l,a),o=r(u,l,a-1/3)}return[Math.round(255*n),Math.round(255*s),Math.round(255*o),e[4]?parseFloat(e[4]):1]}},e.Color.fromHsla=i.fromHsl,e.Color.fromHex=function(t){return i.fromSource(i.sourceFromHex(t))},e.Color.sourceFromHex=function(t){if(t.match(i.reHex)){var e=t.slice(t.indexOf("#")+1),r=3===e.length||4===e.length,n=8===e.length||4===e.length,s=r?e.charAt(0)+e.charAt(0):e.substring(0,2),o=r?e.charAt(1)+e.charAt(1):e.substring(2,4),a=r?e.charAt(2)+e.charAt(2):e.substring(4,6),c=n?r?e.charAt(3)+e.charAt(3):e.substring(6,8):"FF";return[parseInt(s,16),parseInt(o,16),parseInt(a,16),parseFloat((parseInt(c,16)/255).toFixed(2))]}},e.Color.fromSource=function(t){var e=new i;return e.setSource(t),e})}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=["e","se","s","sw","w","nw","n","ne","e"],r=["ns","nesw","ew","nwse"],n={},s="left",o="top",a="right",c="bottom",h="center",l={top:c,bottom:o,left:a,right:s,center:h},u=e.util.radiansToDegrees,f=Math.sign||function(t){return(t>0)-(t<0)||+t};function d(t,e){var i=t.angle+u(Math.atan2(e.y,e.x))+360;return Math.round(i%360/45)}function g(t,i){var r=i.transform.target,n=r.canvas,s=e.util.object.clone(i);s.target=r,n&&n.fire("object:"+t,s),r.fire(t,i)}function p(t,e){var i=e.canvas,r=t[i.uniScaleKey];return i.uniformScaling&&!r||!i.uniformScaling&&r}function v(t){return t.originX===h&&t.originY===h}function m(t,e,i){var r=t.lockScalingX,n=t.lockScalingY;return!(!r||!n)||(!(e||!r&&!n||!i)||(!(!r||"x"!==e)||!(!n||"y"!==e)))}function b(t,e,i,r){return{e:t,transform:e,pointer:{x:i,y:r}}}function y(t){return function(e,i,r,n){var s=i.target,o=s.getCenterPoint(),a=s.translateToOriginPoint(o,i.originX,i.originY),c=t(e,i,r,n);return s.setPositionByOrigin(a,i.originX,i.originY),c}}function _(t,e){return function(i,r,n,s){var o=e(i,r,n,s);return o&&g(t,b(i,r,n,s)),o}}function x(t,i,r,n,s){var o=t.target,a=o.controls[t.corner],c=o.canvas.getZoom(),h=o.padding/c,l=o.toLocalPoint(new e.Point(n,s),i,r);return l.x>=h&&(l.x-=h),l.x<=-h&&(l.x+=h),l.y>=h&&(l.y-=h),l.y<=h&&(l.y+=h),l.x-=a.offsetX,l.y-=a.offsetY,l}function C(t){return t.flipX!==t.flipY}function S(t,e,i,r,n){if(0!==t[e]){var s=n/t._getTransformedDimensions()[r]*t[i];t.set(i,s)}}function T(t,e,i,r){var n,h=e.target,l=h._getTransformedDimensions(0,h.skewY),f=x(e,e.originX,e.originY,i,r),d=Math.abs(2*f.x)-l.x,g=h.skewX;d<2?n=0:(n=u(Math.atan2(d/h.scaleX,l.y/h.scaleY)),e.originX===s&&e.originY===c&&(n=-n),e.originX===a&&e.originY===o&&(n=-n),C(h)&&(n=-n));var p=g!==n;if(p){var v=h._getTransformedDimensions().y;h.set("skewX",n),S(h,"skewY","scaleY","y",v)}return p}function w(t,e,i,r){var n,h=e.target,l=h._getTransformedDimensions(h.skewX,0),f=x(e,e.originX,e.originY,i,r),d=Math.abs(2*f.y)-l.y,g=h.skewY;d<2?n=0:(n=u(Math.atan2(d/h.scaleY,l.x/h.scaleX)),e.originX===s&&e.originY===c&&(n=-n),e.originX===a&&e.originY===o&&(n=-n),C(h)&&(n=-n));var p=g!==n;if(p){var v=h._getTransformedDimensions().x;h.set("skewY",n),S(h,"skewX","scaleX","x",v)}return p}function O(t,e,i,r,n){n=n||{};var s,o,a,c,h,u,d=e.target,g=d.lockScalingX,b=d.lockScalingY,y=n.by,_=p(t,d),C=m(d,y,_),S=e.gestureScale;if(C)return!1;if(S)o=e.scaleX*S,a=e.scaleY*S;else{if(s=x(e,e.originX,e.originY,i,r),h="y"!==y?f(s.x):1,u="x"!==y?f(s.y):1,e.signX||(e.signX=h),e.signY||(e.signY=u),d.lockScalingFlip&&(e.signX!==h||e.signY!==u))return!1;if(c=d._getTransformedDimensions(),_&&!y){var T=Math.abs(s.x)+Math.abs(s.y),w=e.original,O=T/(Math.abs(c.x*w.scaleX/d.scaleX)+Math.abs(c.y*w.scaleY/d.scaleY));o=w.scaleX*O,a=w.scaleY*O}else o=Math.abs(s.x*d.scaleX/c.x),a=Math.abs(s.y*d.scaleY/c.y);v(e)&&(o*=2,a*=2),e.signX!==h&&"y"!==y&&(e.originX=l[e.originX],o*=-1,e.signX=h),e.signY!==u&&"x"!==y&&(e.originY=l[e.originY],a*=-1,e.signY=u)}var k=d.scaleX,P=d.scaleY;return y?("x"===y&&d.set("scaleX",o),"y"===y&&d.set("scaleY",a)):(!g&&d.set("scaleX",o),!b&&d.set("scaleY",a)),k!==d.scaleX||P!==d.scaleY}n.scaleCursorStyleHandler=function(t,e,r){var n=p(t,r),s="";if(0!==e.x&&0===e.y?s="x":0===e.x&&0!==e.y&&(s="y"),m(r,s,n))return"not-allowed";var o=d(r,e);return i[o]+"-resize"},n.skewCursorStyleHandler=function(t,e,i){if(0!==e.x&&i.lockSkewingY)return"not-allowed";if(0!==e.y&&i.lockSkewingX)return"not-allowed";var n=d(i,e)%4;return r[n]+"-resize"},n.scaleSkewCursorStyleHandler=function(t,e,i){return t[i.canvas.altActionKey]?n.skewCursorStyleHandler(t,e,i):n.scaleCursorStyleHandler(t,e,i)},n.rotationWithSnapping=_("rotating",y(function(t,e,i,r){var n=e,s=n.target,o=s.translateToOriginPoint(s.getCenterPoint(),n.originX,n.originY);if(s.lockRotation)return!1;var a,c=Math.atan2(n.ey-o.y,n.ex-o.x),h=Math.atan2(r-o.y,i-o.x),l=u(h-c+n.theta);if(s.snapAngle>0){var f=s.snapAngle,d=s.snapThreshold||f,g=Math.ceil(l/f)*f,p=Math.floor(l/f)*f;Math.abs(l-p)<d?l=p:Math.abs(l-g)<d&&(l=g)}return l<0&&(l=360+l),l%=360,a=s.angle!==l,s.angle=l,a})),n.scalingEqually=_("scaling",y(function(t,e,i,r){return O(t,e,i,r)})),n.scalingX=_("scaling",y(function(t,e,i,r){return O(t,e,i,r,{by:"x"})})),n.scalingY=_("scaling",y(function(t,e,i,r){return O(t,e,i,r,{by:"y"})})),n.scalingYOrSkewingX=function(t,e,i,r){return t[e.target.canvas.altActionKey]?n.skewHandlerX(t,e,i,r):n.scalingY(t,e,i,r)},n.scalingXOrSkewingY=function(t,e,i,r){return t[e.target.canvas.altActionKey]?n.skewHandlerY(t,e,i,r):n.scalingX(t,e,i,r)},n.changeWidth=_("resizing",y(function(t,e,i,r){var n=e.target,s=x(e,e.originX,e.originY,i,r),o=n.strokeWidth/(n.strokeUniform?n.scaleX:1),a=v(e)?2:1,c=n.width,h=Math.abs(s.x*a/n.scaleX)-o;return n.set("width",Math.max(h,0)),c!==h})),n.skewHandlerX=function(t,e,i,r){var n,c=e.target,l=c.skewX,u=e.originY;return!c.lockSkewingX&&(0===l?n=x(e,h,h,i,r).x>0?s:a:(l>0&&(n=u===o?s:a),l<0&&(n=u===o?a:s),C(c)&&(n=n===s?a:s)),e.originX=n,_("skewing",y(T))(t,e,i,r))},n.skewHandlerY=function(t,e,i,r){var n,a=e.target,l=a.skewY,u=e.originX;return!a.lockSkewingY&&(0===l?n=x(e,h,h,i,r).y>0?o:c:(l>0&&(n=u===s?o:c),l<0&&(n=u===s?c:o),C(a)&&(n=n===o?c:o)),e.originY=n,_("skewing",y(w))(t,e,i,r))},n.dragHandler=function(t,e,i,r){var n=e.target,s=i-e.offsetX,o=r-e.offsetY,a=!n.get("lockMovementX")&&n.left!==s,c=!n.get("lockMovementY")&&n.top!==o;return a&&n.set("left",s),c&&n.set("top",o),(a||c)&&g("moving",b(t,e,i,r)),a||c},n.scaleOrSkewActionName=function(t,e,i){var r=t[i.canvas.altActionKey];return 0===e.x?r?"skewX":"scaleY":0===e.y?r?"skewY":"scaleX":void 0},n.rotationStyleHandler=function(t,e,i){return i.lockRotation?"not-allowed":e.cursorStyle},n.fireEvent=g,n.wrapWithFixedAnchor=y,n.wrapWithFireEvent=_,n.getLocalPoint=x,e.controlsUtils=n}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.degreesToRadians,r=e.controlsUtils;r.renderCircleControl=function(t,e,i,r,n){r=r||{};var s,o=this.sizeX||r.cornerSize||n.cornerSize,a=this.sizeY||r.cornerSize||n.cornerSize,c=void 0!==r.transparentCorners?r.transparentCorners:n.transparentCorners,h=c?"stroke":"fill",l=!c&&(r.cornerStrokeColor||n.cornerStrokeColor),u=e,f=i;t.save(),t.fillStyle=r.cornerColor||n.cornerColor,t.strokeStyle=r.cornerStrokeColor||n.cornerStrokeColor,o>a?(s=o,t.scale(1,a/o),f=i*o/a):a>o?(s=a,t.scale(o/a,1),u=e*a/o):s=o,t.lineWidth=1,t.beginPath(),t.arc(u,f,s/2,0,2*Math.PI,!1),t[h](),l&&t.stroke(),t.restore()},r.renderSquareControl=function(t,e,r,n,s){n=n||{};var o=this.sizeX||n.cornerSize||s.cornerSize,a=this.sizeY||n.cornerSize||s.cornerSize,c=void 0!==n.transparentCorners?n.transparentCorners:s.transparentCorners,h=c?"stroke":"fill",l=!c&&(n.cornerStrokeColor||s.cornerStrokeColor),u=o/2,f=a/2;t.save(),t.fillStyle=n.cornerColor||s.cornerColor,t.strokeStyle=n.cornerStrokeColor||s.cornerStrokeColor,t.lineWidth=1,t.translate(e,r),t.rotate(i(s.angle)),t[h+"Rect"](-u,-f,o,a),l&&t.strokeRect(-u,-f,o,a),t.restore()}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={});e.Control=function(t){for(var e in t)this[e]=t[e]},e.Control.prototype={visible:!0,actionName:"scale",angle:0,x:0,y:0,offsetX:0,offsetY:0,sizeX:null,sizeY:null,touchSizeX:null,touchSizeY:null,cursorStyle:"crosshair",withConnection:!1,actionHandler:function(){},mouseDownHandler:function(){},mouseUpHandler:function(){},getActionHandler:function(){return this.actionHandler},getMouseDownHandler:function(){return this.mouseDownHandler},getMouseUpHandler:function(){return this.mouseUpHandler},cursorStyleHandler:function(t,e){return e.cursorStyle},getActionName:function(t,e){return e.actionName},getVisibility:function(t,e){var i=t._controlsVisibility;return i&&void 0!==i[e]?i[e]:this.visible},setVisibility:function(t){this.visible=t},positionHandler:function(t,i){return e.util.transformPoint({x:this.x*t.x+this.offsetX,y:this.y*t.y+this.offsetY},i)},calcCornerCoords:function(t,i,r,n,s){var o,a,c,h,l=s?this.touchSizeX:this.sizeX,u=s?this.touchSizeY:this.sizeY;if(l&&u&&l!==u){var f=Math.atan2(u,l),d=Math.sqrt(l*l+u*u)/2,g=f-e.util.degreesToRadians(t),p=Math.PI/2-f-e.util.degreesToRadians(t);o=d*e.util.cos(g),a=d*e.util.sin(g),c=d*e.util.cos(p),h=d*e.util.sin(p)}else{d=.7071067812*(l&&u?l:i);g=e.util.degreesToRadians(45-t);o=c=d*e.util.cos(g),a=h=d*e.util.sin(g)}return{tl:{x:r-h,y:n-c},tr:{x:r+o,y:n-a},bl:{x:r-o,y:n+a},br:{x:r+h,y:n+c}}},render:function(t,i,r,n,s){switch((n=n||{}).cornerStyle||s.cornerStyle){case"circle":e.controlsUtils.renderCircleControl.call(this,t,i,r,n,s);break;default:e.controlsUtils.renderSquareControl.call(this,t,i,r,n,s)}}}}("undefined"!=typeof exports?exports:this),function(){function t(t,e){var i,r,n,s,o=t.getAttribute("style"),a=t.getAttribute("offset")||0;if(a=(a=parseFloat(a)/(/%$/.test(a)?100:1))<0?0:a>1?1:a,o){var c=o.split(/\s*;\s*/);for(""===c[c.length-1]&&c.pop(),s=c.length;s--;){var h=c[s].split(/\s*:\s*/),l=h[0].trim(),u=h[1].trim();"stop-color"===l?i=u:"stop-opacity"===l&&(n=u)}}return i||(i=t.getAttribute("stop-color")||"rgb(0,0,0)"),n||(n=t.getAttribute("stop-opacity")),r=(i=new fabric.Color(i)).getAlpha(),n=isNaN(parseFloat(n))?1:parseFloat(n),n*=r*e,{offset:a,color:i.toRgb(),opacity:n}}var e=fabric.util.object.clone;fabric.Gradient=fabric.util.createClass({offsetX:0,offsetY:0,gradientTransform:null,gradientUnits:"pixels",type:"linear",initialize:function(t){t||(t={}),t.coords||(t.coords={});var e,i=this;Object.keys(t).forEach(function(e){i[e]=t[e]}),this.id?this.id+="_"+fabric.Object.__uid++:this.id=fabric.Object.__uid++,e={x1:t.coords.x1||0,y1:t.coords.y1||0,x2:t.coords.x2||0,y2:t.coords.y2||0},"radial"===this.type&&(e.r1=t.coords.r1||0,e.r2=t.coords.r2||0),this.coords=e,this.colorStops=t.colorStops.slice()},addColorStop:function(t){for(var e in t){var i=new fabric.Color(t[e]);this.colorStops.push({offset:parseFloat(e),color:i.toRgb(),opacity:i.getAlpha()})}return this},toObject:function(t){var e={type:this.type,coords:this.coords,colorStops:this.colorStops,offsetX:this.offsetX,offsetY:this.offsetY,gradientUnits:this.gradientUnits,gradientTransform:this.gradientTransform?this.gradientTransform.concat():this.gradientTransform};return fabric.util.populateWithProperties(this,e,t),e},toSVG:function(t,i){var r,n,s,o,a=e(this.coords,!0),c=(i=i||{},e(this.colorStops,!0)),h=a.r1>a.r2,l=this.gradientTransform?this.gradientTransform.concat():fabric.iMatrix.concat(),u=-this.offsetX,f=-this.offsetY,d=!!i.additionalTransform,g="pixels"===this.gradientUnits?"userSpaceOnUse":"objectBoundingBox";if(c.sort(function(t,e){return t.offset-e.offset}),"objectBoundingBox"===g?(u/=t.width,f/=t.height):(u+=t.width/2,f+=t.height/2),"path"===t.type&&"percentage"!==this.gradientUnits&&(u-=t.pathOffset.x,f-=t.pathOffset.y),l[4]-=u,l[5]-=f,o='id="SVGID_'+this.id+'" gradientUnits="'+g+'"',o+=' gradientTransform="'+(d?i.additionalTransform+" ":"")+fabric.util.matrixToSVG(l)+'" ',"linear"===this.type?s=["<linearGradient ",o,' x1="',a.x1,'" y1="',a.y1,'" x2="',a.x2,'" y2="',a.y2,'">\n']:"radial"===this.type&&(s=["<radialGradient ",o,' cx="',h?a.x1:a.x2,'" cy="',h?a.y1:a.y2,'" r="',h?a.r1:a.r2,'" fx="',h?a.x2:a.x1,'" fy="',h?a.y2:a.y1,'">\n']),"radial"===this.type){if(h)for((c=c.concat()).reverse(),r=0,n=c.length;r<n;r++)c[r].offset=1-c[r].offset;var p=Math.min(a.r1,a.r2);if(p>0){var v=p/Math.max(a.r1,a.r2);for(r=0,n=c.length;r<n;r++)c[r].offset+=v*(1-c[r].offset)}}for(r=0,n=c.length;r<n;r++){var m=c[r];s.push("<stop ",'offset="',100*m.offset+"%",'" style="stop-color:',m.color,void 0!==m.opacity?";stop-opacity: "+m.opacity:";",'"/>\n')}return s.push("linear"===this.type?"</linearGradient>\n":"</radialGradient>\n"),s.join("")},toLive:function(t){var e,i,r,n=fabric.util.object.clone(this.coords);if(this.type){for("linear"===this.type?e=t.createLinearGradient(n.x1,n.y1,n.x2,n.y2):"radial"===this.type&&(e=t.createRadialGradient(n.x1,n.y1,n.r1,n.x2,n.y2,n.r2)),i=0,r=this.colorStops.length;i<r;i++){var s=this.colorStops[i].color,o=this.colorStops[i].opacity,a=this.colorStops[i].offset;void 0!==o&&(s=new fabric.Color(s).setAlpha(o).toRgba()),e.addColorStop(a,s)}return e}}}),fabric.util.object.extend(fabric.Gradient,{fromElement:function(e,i,r,n){var s=parseFloat(r)/(/%$/.test(r)?100:1);s=s<0?0:s>1?1:s,isNaN(s)&&(s=1);var o,a,c,h,l=e.getElementsByTagName("stop"),u="userSpaceOnUse"===e.getAttribute("gradientUnits")?"pixels":"percentage",f=e.getAttribute("gradientTransform")||"",d=[],g=0,p=0;for("linearGradient"===e.nodeName||"LINEARGRADIENT"===e.nodeName?(o="linear",a=function(t){return{x1:t.getAttribute("x1")||0,y1:t.getAttribute("y1")||0,x2:t.getAttribute("x2")||"100%",y2:t.getAttribute("y2")||0}}(e)):(o="radial",a=function(t){return{x1:t.getAttribute("fx")||t.getAttribute("cx")||"50%",y1:t.getAttribute("fy")||t.getAttribute("cy")||"50%",r1:0,x2:t.getAttribute("cx")||"50%",y2:t.getAttribute("cy")||"50%",r2:t.getAttribute("r")||"50%"}}(e)),c=l.length;c--;)d.push(t(l[c],s));return h=fabric.parseTransformAttribute(f),function(t,e,i,r){var n,s;Object.keys(e).forEach(function(t){"Infinity"===(n=e[t])?s=1:"-Infinity"===n?s=0:(s=parseFloat(e[t],10),"string"==typeof n&&/^(\d+\.\d+)%|(\d+)%$/.test(n)&&(s*=.01,"pixels"===r&&("x1"!==t&&"x2"!==t&&"r2"!==t||(s*=i.viewBoxWidth||i.width),"y1"!==t&&"y2"!==t||(s*=i.viewBoxHeight||i.height)))),e[t]=s})}(0,a,n,u),"pixels"===u&&(g=-i.left,p=-i.top),new fabric.Gradient({id:e.getAttribute("id"),type:o,coords:a,colorStops:d,gradientUnits:u,gradientTransform:h,offsetX:g,offsetY:p})}})}(),function(){"use strict";var t=fabric.util.toFixed;fabric.Pattern=fabric.util.createClass({repeat:"repeat",offsetX:0,offsetY:0,crossOrigin:"",patternTransform:null,initialize:function(t,e){if(t||(t={}),this.id=fabric.Object.__uid++,this.setOptions(t),!t.source||t.source&&"string"!=typeof t.source)e&&e(this);else{var i=this;this.source=fabric.util.createImage(),fabric.util.loadImage(t.source,function(t,r){i.source=t,e&&e(i,r)},null,this.crossOrigin)}},toObject:function(e){var i,r,n=fabric.Object.NUM_FRACTION_DIGITS;return"string"==typeof this.source.src?i=this.source.src:"object"==typeof this.source&&this.source.toDataURL&&(i=this.source.toDataURL()),r={type:"pattern",source:i,repeat:this.repeat,crossOrigin:this.crossOrigin,offsetX:t(this.offsetX,n),offsetY:t(this.offsetY,n),patternTransform:this.patternTransform?this.patternTransform.concat():null},fabric.util.populateWithProperties(this,r,e),r},toSVG:function(t){var e="function"==typeof this.source?this.source():this.source,i=e.width/t.width,r=e.height/t.height,n=this.offsetX/t.width,s=this.offsetY/t.height,o="";return"repeat-x"!==this.repeat&&"no-repeat"!==this.repeat||(r=1,s&&(r+=Math.abs(s))),"repeat-y"!==this.repeat&&"no-repeat"!==this.repeat||(i=1,n&&(i+=Math.abs(n))),e.src?o=e.src:e.toDataURL&&(o=e.toDataURL()),'<pattern id="SVGID_'+this.id+'" x="'+n+'" y="'+s+'" width="'+i+'" height="'+r+'">\n<image x="0" y="0" width="'+e.width+'" height="'+e.height+'" xlink:href="'+o+'"></image>\n</pattern>\n'},setOptions:function(t){for(var e in t)this[e]=t[e]},toLive:function(t){var e=this.source;if(!e)return"";if(void 0!==e.src){if(!e.complete)return"";if(0===e.naturalWidth||0===e.naturalHeight)return""}return t.createPattern(e,this.repeat)}})}(),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.toFixed;e.Shadow?e.warn("fabric.Shadow is already defined."):(e.Shadow=e.util.createClass({color:"rgb(0,0,0)",blur:0,offsetX:0,offsetY:0,affectStroke:!1,includeDefaultValues:!0,nonScaling:!1,initialize:function(t){for(var i in"string"==typeof t&&(t=this._parseShadow(t)),t)this[i]=t[i];this.id=e.Object.__uid++},_parseShadow:function(t){var i=t.trim(),r=e.Shadow.reOffsetsAndBlur.exec(i)||[];return{color:(i.replace(e.Shadow.reOffsetsAndBlur,"")||"rgb(0,0,0)").trim(),offsetX:parseFloat(r[1],10)||0,offsetY:parseFloat(r[2],10)||0,blur:parseFloat(r[3],10)||0}},toString:function(){return[this.offsetX,this.offsetY,this.blur,this.color].join("px ")},toSVG:function(t){var r=40,n=40,s=e.Object.NUM_FRACTION_DIGITS,o=e.util.rotateVector({x:this.offsetX,y:this.offsetY},e.util.degreesToRadians(-t.angle)),a=new e.Color(this.color);return t.width&&t.height&&(r=100*i((Math.abs(o.x)+this.blur)/t.width,s)+20,n=100*i((Math.abs(o.y)+this.blur)/t.height,s)+20),t.flipX&&(o.x*=-1),t.flipY&&(o.y*=-1),'<filter id="SVGID_'+this.id+'" y="-'+n+'%" height="'+(100+2*n)+'%" x="-'+r+'%" width="'+(100+2*r)+'%" >\n\t<feGaussianBlur in="SourceAlpha" stdDeviation="'+i(this.blur?this.blur/2:0,s)+'"></feGaussianBlur>\n\t<feOffset dx="'+i(o.x,s)+'" dy="'+i(o.y,s)+'" result="oBlur" ></feOffset>\n\t<feFlood flood-color="'+a.toRgb()+'" flood-opacity="'+a.getAlpha()+'"/>\n\t<feComposite in2="oBlur" operator="in" />\n\t<feMerge>\n\t\t<feMergeNode></feMergeNode>\n\t\t<feMergeNode in="SourceGraphic"></feMergeNode>\n\t</feMerge>\n</filter>\n'},toObject:function(){if(this.includeDefaultValues)return{color:this.color,blur:this.blur,offsetX:this.offsetX,offsetY:this.offsetY,affectStroke:this.affectStroke,nonScaling:this.nonScaling};var t={},i=e.Shadow.prototype;return["color","blur","offsetX","offsetY","affectStroke","nonScaling"].forEach(function(e){this[e]!==i[e]&&(t[e]=this[e])},this),t}}),e.Shadow.reOffsetsAndBlur=/(?:\s|^)(-?\d+(?:\.\d*)?(?:px)?(?:\s?|$))?(-?\d+(?:\.\d*)?(?:px)?(?:\s?|$))?(\d+(?:\.\d*)?(?:px)?)?(?:\s?|$)(?:$|\s)/)}("undefined"!=typeof exports?exports:this),function(){"use strict";if(fabric.StaticCanvas)fabric.warn("fabric.StaticCanvas is already defined.");else{var t=fabric.util.object.extend,e=fabric.util.getElementOffset,i=fabric.util.removeFromArray,r=fabric.util.toFixed,n=fabric.util.transformPoint,s=fabric.util.invertTransform,o=fabric.util.getNodeCanvas,a=fabric.util.createCanvasElement,c=new Error("Could not initialize `canvas` element");fabric.StaticCanvas=fabric.util.createClass(fabric.CommonMethods,{initialize:function(t,e){e||(e={}),this.renderAndResetBound=this.renderAndReset.bind(this),this.requestRenderAllBound=this.requestRenderAll.bind(this),this._initStatic(t,e)},backgroundColor:"",backgroundImage:null,overlayColor:"",overlayImage:null,includeDefaultValues:!0,stateful:!1,renderOnAddRemove:!0,controlsAboveOverlay:!1,allowTouchScrolling:!1,imageSmoothingEnabled:!0,viewportTransform:fabric.iMatrix.concat(),backgroundVpt:!0,overlayVpt:!0,enableRetinaScaling:!0,vptCoords:{},skipOffscreen:!0,clipPath:void 0,_initStatic:function(t,e){var i=this.requestRenderAllBound;this._objects=[],this._createLowerCanvas(t),this._initOptions(e),this.interactive||this._initRetinaScaling(),e.overlayImage&&this.setOverlayImage(e.overlayImage,i),e.backgroundImage&&this.setBackgroundImage(e.backgroundImage,i),e.backgroundColor&&this.setBackgroundColor(e.backgroundColor,i),e.overlayColor&&this.setOverlayColor(e.overlayColor,i),this.calcOffset()},_isRetinaScaling:function(){return fabric.devicePixelRatio>1&&this.enableRetinaScaling},getRetinaScaling:function(){return this._isRetinaScaling()?Math.max(1,fabric.devicePixelRatio):1},_initRetinaScaling:function(){if(this._isRetinaScaling()){var t=fabric.devicePixelRatio;this.__initRetinaScaling(t,this.lowerCanvasEl,this.contextContainer),this.upperCanvasEl&&this.__initRetinaScaling(t,this.upperCanvasEl,this.contextTop)}},__initRetinaScaling:function(t,e,i){e.setAttribute("width",this.width*t),e.setAttribute("height",this.height*t),i.scale(t,t)},calcOffset:function(){return this._offset=e(this.lowerCanvasEl),this},setOverlayImage:function(t,e,i){return this.__setBgOverlayImage("overlayImage",t,e,i)},setBackgroundImage:function(t,e,i){return this.__setBgOverlayImage("backgroundImage",t,e,i)},setOverlayColor:function(t,e){return this.__setBgOverlayColor("overlayColor",t,e)},setBackgroundColor:function(t,e){return this.__setBgOverlayColor("backgroundColor",t,e)},__setBgOverlayImage:function(t,e,i,r){return"string"==typeof e?fabric.util.loadImage(e,function(e,n){if(e){var s=new fabric.Image(e,r);this[t]=s,s.canvas=this}i&&i(e,n)},this,r&&r.crossOrigin):(r&&e.setOptions(r),this[t]=e,e&&(e.canvas=this),i&&i(e,!1)),this},__setBgOverlayColor:function(t,e,i){return this[t]=e,this._initGradient(e,t),this._initPattern(e,t,i),this},_createCanvasElement:function(){var t=a();if(!t)throw c;if(t.style||(t.style={}),void 0===t.getContext)throw c;return t},_initOptions:function(t){var e=this.lowerCanvasEl;this._setOptions(t),this.width=this.width||parseInt(e.width,10)||0,this.height=this.height||parseInt(e.height,10)||0,this.lowerCanvasEl.style&&(e.width=this.width,e.height=this.height,e.style.width=this.width+"px",e.style.height=this.height+"px",this.viewportTransform=this.viewportTransform.slice())},_createLowerCanvas:function(t){t&&t.getContext?this.lowerCanvasEl=t:this.lowerCanvasEl=fabric.util.getById(t)||this._createCanvasElement(),fabric.util.addClass(this.lowerCanvasEl,"lower-canvas"),this._originalCanvasStyle=this.lowerCanvasEl.style,this.interactive&&this._applyCanvasStyle(this.lowerCanvasEl),this.contextContainer=this.lowerCanvasEl.getContext("2d")},getWidth:function(){return this.width},getHeight:function(){return this.height},setWidth:function(t,e){return this.setDimensions({width:t},e)},setHeight:function(t,e){return this.setDimensions({height:t},e)},setDimensions:function(t,e){var i;for(var r in e=e||{},t)i=t[r],e.cssOnly||(this._setBackstoreDimension(r,t[r]),i+="px",this.hasLostContext=!0),e.backstoreOnly||this._setCssDimension(r,i);return this._isCurrentlyDrawing&&this.freeDrawingBrush&&this.freeDrawingBrush._setBrushStyles(this.contextTop),this._initRetinaScaling(),this.calcOffset(),e.cssOnly||this.requestRenderAll(),this},_setBackstoreDimension:function(t,e){return this.lowerCanvasEl[t]=e,this.upperCanvasEl&&(this.upperCanvasEl[t]=e),this.cacheCanvasEl&&(this.cacheCanvasEl[t]=e),this[t]=e,this},_setCssDimension:function(t,e){return this.lowerCanvasEl.style[t]=e,this.upperCanvasEl&&(this.upperCanvasEl.style[t]=e),this.wrapperEl&&(this.wrapperEl.style[t]=e),this},getZoom:function(){return this.viewportTransform[0]},setViewportTransform:function(t){var e,i,r,n=this._activeObject,s=this.backgroundImage,o=this.overlayImage;for(this.viewportTransform=t,i=0,r=this._objects.length;i<r;i++)(e=this._objects[i]).group||e.setCoords(!0);return n&&n.setCoords(),s&&s.setCoords(!0),o&&o.setCoords(!0),this.calcViewportBoundaries(),this.renderOnAddRemove&&this.requestRenderAll(),this},zoomToPoint:function(t,e){var i=t,r=this.viewportTransform.slice(0);t=n(t,s(this.viewportTransform)),r[0]=e,r[3]=e;var o=n(t,r);return r[4]+=i.x-o.x,r[5]+=i.y-o.y,this.setViewportTransform(r)},setZoom:function(t){return this.zoomToPoint(new fabric.Point(0,0),t),this},absolutePan:function(t){var e=this.viewportTransform.slice(0);return e[4]=-t.x,e[5]=-t.y,this.setViewportTransform(e)},relativePan:function(t){return this.absolutePan(new fabric.Point(-t.x-this.viewportTransform[4],-t.y-this.viewportTransform[5]))},getElement:function(){return this.lowerCanvasEl},_onObjectAdded:function(t){this.stateful&&t.setupState(),t._set("canvas",this),t.setCoords(),this.fire("object:added",{target:t}),t.fire("added")},_onObjectRemoved:function(t){this.fire("object:removed",{target:t}),t.fire("removed"),delete t.canvas},clearContext:function(t){return t.clearRect(0,0,this.width,this.height),this},getContext:function(){return this.contextContainer},clear:function(){return this.remove.apply(this,this.getObjects()),this.backgroundImage=null,this.overlayImage=null,this.backgroundColor="",this.overlayColor="",this._hasITextHandlers&&(this.off("mouse:up",this._mouseUpITextHandler),this._iTextInstances=null,this._hasITextHandlers=!1),this.clearContext(this.contextContainer),this.fire("canvas:cleared"),this.renderOnAddRemove&&this.requestRenderAll(),this},renderAll:function(){var t=this.contextContainer;return this.renderCanvas(t,this._objects),this},renderAndReset:function(){this.isRendering=0,this.renderAll()},requestRenderAll:function(){return this.isRendering||(this.isRendering=fabric.util.requestAnimFrame(this.renderAndResetBound)),this},calcViewportBoundaries:function(){var t={},e=this.width,i=this.height,r=s(this.viewportTransform);return t.tl=n({x:0,y:0},r),t.br=n({x:e,y:i},r),t.tr=new fabric.Point(t.br.x,t.tl.y),t.bl=new fabric.Point(t.tl.x,t.br.y),this.vptCoords=t,t},cancelRequestedRender:function(){this.isRendering&&(fabric.util.cancelAnimFrame(this.isRendering),this.isRendering=0)},renderCanvas:function(t,e){var i=this.viewportTransform,r=this.clipPath;this.cancelRequestedRender(),this.calcViewportBoundaries(),this.clearContext(t),fabric.util.setImageSmoothing(t,this.imageSmoothingEnabled),this.fire("before:render",{ctx:t}),this._renderBackground(t),t.save(),t.transform(i[0],i[1],i[2],i[3],i[4],i[5]),this._renderObjects(t,e),t.restore(),!this.controlsAboveOverlay&&this.interactive&&this.drawControls(t),r&&(r.canvas=this,r.shouldCache(),r._transformDone=!0,r.renderCache({forClipping:!0}),this.drawClipPathOnCanvas(t)),this._renderOverlay(t),this.controlsAboveOverlay&&this.interactive&&this.drawControls(t),this.fire("after:render",{ctx:t})},drawClipPathOnCanvas:function(t){var e=this.viewportTransform,i=this.clipPath;t.save(),t.transform(e[0],e[1],e[2],e[3],e[4],e[5]),t.globalCompositeOperation="destination-in",i.transform(t),t.scale(1/i.zoomX,1/i.zoomY),t.drawImage(i._cacheCanvas,-i.cacheTranslationX,-i.cacheTranslationY),t.restore()},_renderObjects:function(t,e){var i,r;for(i=0,r=e.length;i<r;++i)e[i]&&e[i].render(t)},_renderBackgroundOrOverlay:function(t,e){var i=this[e+"Color"],r=this[e+"Image"],n=this.viewportTransform,s=this[e+"Vpt"];if(i||r){if(i){t.save(),t.beginPath(),t.moveTo(0,0),t.lineTo(this.width,0),t.lineTo(this.width,this.height),t.lineTo(0,this.height),t.closePath(),t.fillStyle=i.toLive?i.toLive(t,this):i,s&&t.transform(n[0],n[1],n[2],n[3],n[4],n[5]),t.transform(1,0,0,1,i.offsetX||0,i.offsetY||0);var o=i.gradientTransform||i.patternTransform;o&&t.transform(o[0],o[1],o[2],o[3],o[4],o[5]),t.fill(),t.restore()}r&&(t.save(),s&&t.transform(n[0],n[1],n[2],n[3],n[4],n[5]),r.render(t),t.restore())}},_renderBackground:function(t){this._renderBackgroundOrOverlay(t,"background")},_renderOverlay:function(t){this._renderBackgroundOrOverlay(t,"overlay")},getCenter:function(){return{top:this.height/2,left:this.width/2}},getCenterPoint:function(){return new fabric.Point(this.width/2,this.height/2)},centerObjectH:function(t){return this._centerObject(t,new fabric.Point(this.getCenterPoint().x,t.getCenterPoint().y))},centerObjectV:function(t){return this._centerObject(t,new fabric.Point(t.getCenterPoint().x,this.getCenterPoint().y))},centerObject:function(t){var e=this.getCenterPoint();return this._centerObject(t,e)},viewportCenterObject:function(t){var e=this.getVpCenter();return this._centerObject(t,e)},viewportCenterObjectH:function(t){var e=this.getVpCenter();return this._centerObject(t,new fabric.Point(e.x,t.getCenterPoint().y)),this},viewportCenterObjectV:function(t){var e=this.getVpCenter();return this._centerObject(t,new fabric.Point(t.getCenterPoint().x,e.y))},getVpCenter:function(){var t=this.getCenterPoint(),e=s(this.viewportTransform);return n(t,e)},_centerObject:function(t,e){return t.setPositionByOrigin(e,"center","center"),t.setCoords(),this.renderOnAddRemove&&this.requestRenderAll(),this},toDatalessJSON:function(t){return this.toDatalessObject(t)},toObject:function(t){return this._toObjectMethod("toObject",t)},toDatalessObject:function(t){return this._toObjectMethod("toDatalessObject",t)},_toObjectMethod:function(e,i){var r=this.clipPath,n={version:fabric.version,objects:this._toObjects(e,i)};return r&&!r.excludeFromExport&&(n.clipPath=this._toObject(this.clipPath,e,i)),t(n,this.__serializeBgOverlay(e,i)),fabric.util.populateWithProperties(this,n,i),n},_toObjects:function(t,e){return this._objects.filter(function(t){return!t.excludeFromExport}).map(function(i){return this._toObject(i,t,e)},this)},_toObject:function(t,e,i){var r;this.includeDefaultValues||(r=t.includeDefaultValues,t.includeDefaultValues=!1);var n=t[e](i);return this.includeDefaultValues||(t.includeDefaultValues=r),n},__serializeBgOverlay:function(t,e){var i={},r=this.backgroundImage,n=this.overlayImage,s=this.backgroundColor,o=this.overlayColor;return s&&s.toObject?s.excludeFromExport||(i.background=s.toObject(e)):s&&(i.background=s),o&&o.toObject?o.excludeFromExport||(i.overlay=o.toObject(e)):o&&(i.overlay=o),r&&!r.excludeFromExport&&(i.backgroundImage=this._toObject(r,t,e)),n&&!n.excludeFromExport&&(i.overlayImage=this._toObject(n,t,e)),i},svgViewportTransformation:!0,toSVG:function(t,e){t||(t={}),t.reviver=e;var i=[];return this._setSVGPreamble(i,t),this._setSVGHeader(i,t),this.clipPath&&i.push('<g clip-path="url(#'+this.clipPath.clipPathId+')" >\n'),this._setSVGBgOverlayColor(i,"background"),this._setSVGBgOverlayImage(i,"backgroundImage",e),this._setSVGObjects(i,e),this.clipPath&&i.push("</g>\n"),this._setSVGBgOverlayColor(i,"overlay"),this._setSVGBgOverlayImage(i,"overlayImage",e),i.push("</svg>"),i.join("")},_setSVGPreamble:function(t,e){e.suppressPreamble||t.push('<?xml version="1.0" encoding="',e.encoding||"UTF-8",'" standalone="no" ?>\n','<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" ','"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">\n')},_setSVGHeader:function(t,e){var i,n=e.width||this.width,s=e.height||this.height,o='viewBox="0 0 '+this.width+" "+this.height+'" ',a=fabric.Object.NUM_FRACTION_DIGITS;e.viewBox?o='viewBox="'+e.viewBox.x+" "+e.viewBox.y+" "+e.viewBox.width+" "+e.viewBox.height+'" ':this.svgViewportTransformation&&(i=this.viewportTransform,o='viewBox="'+r(-i[4]/i[0],a)+" "+r(-i[5]/i[3],a)+" "+r(this.width/i[0],a)+" "+r(this.height/i[3],a)+'" '),t.push("<svg ",'xmlns="http://www.w3.org/2000/svg" ','xmlns:xlink="http://www.w3.org/1999/xlink" ','version="1.1" ','width="',n,'" ','height="',s,'" ',o,'xml:space="preserve">\n',"<desc>Created with Fabric.js ",fabric.version,"</desc>\n","<defs>\n",this.createSVGFontFacesMarkup(),this.createSVGRefElementsMarkup(),this.createSVGClipPathMarkup(e),"</defs>\n")},createSVGClipPathMarkup:function(t){var e=this.clipPath;return e?(e.clipPathId="CLIPPATH_"+fabric.Object.__uid++,'<clipPath id="'+e.clipPathId+'" >\n'+this.clipPath.toClipPathSVG(t.reviver)+"</clipPath>\n"):""},createSVGRefElementsMarkup:function(){var t=this;return["background","overlay"].map(function(e){var i=t[e+"Color"];if(i&&i.toLive){var r=t[e+"Vpt"],n=t.viewportTransform,s={width:t.width/(r?n[0]:1),height:t.height/(r?n[3]:1)};return i.toSVG(s,{additionalTransform:r?fabric.util.matrixToSVG(n):""})}}).join("")},createSVGFontFacesMarkup:function(){var t,e,i,r,n,s,o,a,c="",h={},l=fabric.fontPaths,u=[];for(this._objects.forEach(function t(e){u.push(e),e._objects&&e._objects.forEach(t)}),o=0,a=u.length;o<a;o++)if(e=(t=u[o]).fontFamily,-1!==t.type.indexOf("text")&&!h[e]&&l[e]&&(h[e]=!0,t.styles))for(n in i=t.styles)for(s in r=i[n])!h[e=r[s].fontFamily]&&l[e]&&(h[e]=!0);for(var f in h)c+=["\t\t@font-face {\n","\t\t\tfont-family: '",f,"';\n","\t\t\tsrc: url('",l[f],"');\n","\t\t}\n"].join("");return c&&(c=['\t<style type="text/css">',"<![CDATA[\n",c,"]]>","</style>\n"].join("")),c},_setSVGObjects:function(t,e){var i,r,n,s=this._objects;for(r=0,n=s.length;r<n;r++)(i=s[r]).excludeFromExport||this._setSVGObject(t,i,e)},_setSVGObject:function(t,e,i){t.push(e.toSVG(i))},_setSVGBgOverlayImage:function(t,e,i){this[e]&&!this[e].excludeFromExport&&this[e].toSVG&&t.push(this[e].toSVG(i))},_setSVGBgOverlayColor:function(t,e){var i=this[e+"Color"],r=this.viewportTransform,n=this.width,s=this.height;if(i)if(i.toLive){var o=i.repeat,a=fabric.util.invertTransform(r),c=this[e+"Vpt"]?fabric.util.matrixToSVG(a):"";t.push('<rect transform="'+c+" translate(",n/2,",",s/2,')"',' x="',i.offsetX-n/2,'" y="',i.offsetY-s/2,'" ','width="',"repeat-y"===o||"no-repeat"===o?i.source.width:n,'" height="',"repeat-x"===o||"no-repeat"===o?i.source.height:s,'" fill="url(#SVGID_'+i.id+')"',"></rect>\n")}else t.push('<rect x="0" y="0" width="100%" height="100%" ','fill="',i,'"',"></rect>\n")},sendToBack:function(t){if(!t)return this;var e,r,n,s=this._activeObject;if(t===s&&"activeSelection"===t.type)for(e=(n=s._objects).length;e--;)r=n[e],i(this._objects,r),this._objects.unshift(r);else i(this._objects,t),this._objects.unshift(t);return this.renderOnAddRemove&&this.requestRenderAll(),this},bringToFront:function(t){if(!t)return this;var e,r,n,s=this._activeObject;if(t===s&&"activeSelection"===t.type)for(n=s._objects,e=0;e<n.length;e++)r=n[e],i(this._objects,r),this._objects.push(r);else i(this._objects,t),this._objects.push(t);return this.renderOnAddRemove&&this.requestRenderAll(),this},sendBackwards:function(t,e){if(!t)return this;var r,n,s,o,a,c=this._activeObject,h=0;if(t===c&&"activeSelection"===t.type)for(a=c._objects,r=0;r<a.length;r++)n=a[r],(s=this._objects.indexOf(n))>0+h&&(o=s-1,i(this._objects,n),this._objects.splice(o,0,n)),h++;else 0!==(s=this._objects.indexOf(t))&&(o=this._findNewLowerIndex(t,s,e),i(this._objects,t),this._objects.splice(o,0,t));return this.renderOnAddRemove&&this.requestRenderAll(),this},_findNewLowerIndex:function(t,e,i){var r,n;if(i)for(r=e,n=e-1;n>=0;--n){if(t.intersectsWithObject(this._objects[n])||t.isContainedWithinObject(this._objects[n])||this._objects[n].isContainedWithinObject(t)){r=n;break}}else r=e-1;return r},bringForward:function(t,e){if(!t)return this;var r,n,s,o,a,c=this._activeObject,h=0;if(t===c&&"activeSelection"===t.type)for(r=(a=c._objects).length;r--;)n=a[r],(s=this._objects.indexOf(n))<this._objects.length-1-h&&(o=s+1,i(this._objects,n),this._objects.splice(o,0,n)),h++;else(s=this._objects.indexOf(t))!==this._objects.length-1&&(o=this._findNewUpperIndex(t,s,e),i(this._objects,t),this._objects.splice(o,0,t));return this.renderOnAddRemove&&this.requestRenderAll(),this},_findNewUpperIndex:function(t,e,i){var r,n,s;if(i)for(r=e,n=e+1,s=this._objects.length;n<s;++n){if(t.intersectsWithObject(this._objects[n])||t.isContainedWithinObject(this._objects[n])||this._objects[n].isContainedWithinObject(t)){r=n;break}}else r=e+1;return r},moveTo:function(t,e){return i(this._objects,t),this._objects.splice(e,0,t),this.renderOnAddRemove&&this.requestRenderAll()},dispose:function(){return this.isRendering&&(fabric.util.cancelAnimFrame(this.isRendering),this.isRendering=0),this.forEachObject(function(t){t.dispose&&t.dispose()}),this._objects=[],this.backgroundImage&&this.backgroundImage.dispose&&this.backgroundImage.dispose(),this.backgroundImage=null,this.overlayImage&&this.overlayImage.dispose&&this.overlayImage.dispose(),this.overlayImage=null,this._iTextInstances=null,this.contextContainer=null,this.lowerCanvasEl.classList.remove("lower-canvas"),fabric.util.setStyle(this.lowerCanvasEl,this._originalCanvasStyle),delete this._originalCanvasStyle,this.lowerCanvasEl.setAttribute("width",this.width),this.lowerCanvasEl.setAttribute("height",this.height),fabric.util.cleanUpJsdomNode(this.lowerCanvasEl),this.lowerCanvasEl=void 0,this},toString:function(){return"#<fabric.Canvas ("+this.complexity()+"): { objects: "+this._objects.length+" }>"}}),t(fabric.StaticCanvas.prototype,fabric.Observable),t(fabric.StaticCanvas.prototype,fabric.Collection),t(fabric.StaticCanvas.prototype,fabric.DataURLExporter),t(fabric.StaticCanvas,{EMPTY_JSON:'{"objects": [], "background": "white"}',supports:function(t){var e=a();if(!e||!e.getContext)return null;var i=e.getContext("2d");if(!i)return null;switch(t){case"setLineDash":return void 0!==i.setLineDash;default:return null}}}),fabric.StaticCanvas.prototype.toJSON=fabric.StaticCanvas.prototype.toObject,fabric.isLikelyNode&&(fabric.StaticCanvas.prototype.createPNGStream=function(){var t=o(this.lowerCanvasEl);return t&&t.createPNGStream()},fabric.StaticCanvas.prototype.createJPEGStream=function(t){var e=o(this.lowerCanvasEl);return e&&e.createJPEGStream(t)})}}(),fabric.BaseBrush=fabric.util.createClass({color:"rgb(0, 0, 0)",width:1,shadow:null,strokeLineCap:"round",strokeLineJoin:"round",strokeMiterLimit:10,strokeDashArray:null,limitedToCanvasSize:!1,_setBrushStyles:function(t){t.strokeStyle=this.color,t.lineWidth=this.width,t.lineCap=this.strokeLineCap,t.miterLimit=this.strokeMiterLimit,t.lineJoin=this.strokeLineJoin,t.setLineDash(this.strokeDashArray||[])},_saveAndTransform:function(t){var e=this.canvas.viewportTransform;t.save(),t.transform(e[0],e[1],e[2],e[3],e[4],e[5])},_setShadow:function(){if(this.shadow){var t=this.canvas,e=this.shadow,i=t.contextTop,r=t.getZoom();t&&t._isRetinaScaling()&&(r*=fabric.devicePixelRatio),i.shadowColor=e.color,i.shadowBlur=e.blur*r,i.shadowOffsetX=e.offsetX*r,i.shadowOffsetY=e.offsetY*r}},needsFullRender:function(){return new fabric.Color(this.color).getAlpha()<1||!!this.shadow},_resetShadow:function(){var t=this.canvas.contextTop;t.shadowColor="",t.shadowBlur=t.shadowOffsetX=t.shadowOffsetY=0},_isOutSideCanvas:function(t){return t.x<0||t.x>this.canvas.getWidth()||t.y<0||t.y>this.canvas.getHeight()}}),fabric.PencilBrush=fabric.util.createClass(fabric.BaseBrush,{decimate:.4,drawStraightLine:!1,straightLineKey:"shiftKey",initialize:function(t){this.canvas=t,this._points=[]},needsFullRender:function(){return this.callSuper("needsFullRender")||this._hasStraightLine},_drawSegment:function(t,e,i){var r=e.midPointFrom(i);return t.quadraticCurveTo(e.x,e.y,r.x,r.y),r},onMouseDown:function(t,e){this.canvas._isMainEvent(e.e)&&(this.drawStraightLine=e.e[this.straightLineKey],this._prepareForDrawing(t),this._captureDrawingPath(t),this._render())},onMouseMove:function(t,e){if(this.canvas._isMainEvent(e.e)&&(this.drawStraightLine=e.e[this.straightLineKey],(!0!==this.limitedToCanvasSize||!this._isOutSideCanvas(t))&&this._captureDrawingPath(t)&&this._points.length>1))if(this.needsFullRender())this.canvas.clearContext(this.canvas.contextTop),this._render();else{var i=this._points,r=i.length,n=this.canvas.contextTop;this._saveAndTransform(n),this.oldEnd&&(n.beginPath(),n.moveTo(this.oldEnd.x,this.oldEnd.y)),this.oldEnd=this._drawSegment(n,i[r-2],i[r-1],!0),n.stroke(),n.restore()}},onMouseUp:function(t){return!this.canvas._isMainEvent(t.e)||(this.drawStraightLine=!1,this.oldEnd=void 0,this._finalizeAndAddPath(),!1)},_prepareForDrawing:function(t){var e=new fabric.Point(t.x,t.y);this._reset(),this._addPoint(e),this.canvas.contextTop.moveTo(e.x,e.y)},_addPoint:function(t){return!(this._points.length>1&&t.eq(this._points[this._points.length-1])||(this.drawStraightLine&&this._points.length>1&&(this._hasStraightLine=!0,this._points.pop()),this._points.push(t),0))},_reset:function(){this._points=[],this._setBrushStyles(this.canvas.contextTop),this._setShadow(),this._hasStraightLine=!1},_captureDrawingPath:function(t){var e=new fabric.Point(t.x,t.y);return this._addPoint(e)},_render:function(t){var e,i,r=this._points[0],n=this._points[1];if(t=t||this.canvas.contextTop,this._saveAndTransform(t),t.beginPath(),2===this._points.length&&r.x===n.x&&r.y===n.y){var s=this.width/1e3;r=new fabric.Point(r.x,r.y),n=new fabric.Point(n.x,n.y),r.x-=s,n.x+=s}for(t.moveTo(r.x,r.y),e=1,i=this._points.length;e<i;e++)this._drawSegment(t,r,n),r=this._points[e],n=this._points[e+1];t.lineTo(r.x,r.y),t.stroke(),t.restore()},convertPointsToSVGPath:function(t){var e=this.width/1e3;return fabric.util.getSmoothPathFromPoints(t,e)},_isEmptySVGPath:function(t){return"M 0 0 Q 0 0 0 0 L 0 0"===fabric.util.joinPath(t)},createPath:function(t){var e=new fabric.Path(t,{fill:null,stroke:this.color,strokeWidth:this.width,strokeLineCap:this.strokeLineCap,strokeMiterLimit:this.strokeMiterLimit,strokeLineJoin:this.strokeLineJoin,strokeDashArray:this.strokeDashArray});return this.shadow&&(this.shadow.affectStroke=!0,e.shadow=new fabric.Shadow(this.shadow)),e},decimatePoints:function(t,e){if(t.length<=2)return t;var i,r=this.canvas.getZoom(),n=Math.pow(e/r,2),s=t.length-1,o=t[0],a=[o];for(i=1;i<s-1;i++)Math.pow(o.x-t[i].x,2)+Math.pow(o.y-t[i].y,2)>=n&&(o=t[i],a.push(o));return a.push(t[s]),a},_finalizeAndAddPath:function(){this.canvas.contextTop.closePath(),this.decimate&&(this._points=this.decimatePoints(this._points,this.decimate));var t=this.convertPointsToSVGPath(this._points);if(this._isEmptySVGPath(t))this.canvas.requestRenderAll();else{var e=this.createPath(t);this.canvas.clearContext(this.canvas.contextTop),this.canvas.fire("before:path:created",{path:e}),this.canvas.add(e),this.canvas.requestRenderAll(),e.setCoords(),this._resetShadow(),this.canvas.fire("path:created",{path:e})}}}),fabric.CircleBrush=fabric.util.createClass(fabric.BaseBrush,{width:10,initialize:function(t){this.canvas=t,this.points=[]},drawDot:function(t){var e=this.addPoint(t),i=this.canvas.contextTop;this._saveAndTransform(i),this.dot(i,e),i.restore()},dot:function(t,e){t.fillStyle=e.fill,t.beginPath(),t.arc(e.x,e.y,e.radius,0,2*Math.PI,!1),t.closePath(),t.fill()},onMouseDown:function(t){this.points.length=0,this.canvas.clearContext(this.canvas.contextTop),this._setShadow(),this.drawDot(t)},_render:function(){var t,e,i=this.canvas.contextTop,r=this.points;for(this._saveAndTransform(i),t=0,e=r.length;t<e;t++)this.dot(i,r[t]);i.restore()},onMouseMove:function(t){!0===this.limitedToCanvasSize&&this._isOutSideCanvas(t)||(this.needsFullRender()?(this.canvas.clearContext(this.canvas.contextTop),this.addPoint(t),this._render()):this.drawDot(t))},onMouseUp:function(){var t,e,i=this.canvas.renderOnAddRemove;this.canvas.renderOnAddRemove=!1;var r=[];for(t=0,e=this.points.length;t<e;t++){var n=this.points[t],s=new fabric.Circle({radius:n.radius,left:n.x,top:n.y,originX:"center",originY:"center",fill:n.fill});this.shadow&&(s.shadow=new fabric.Shadow(this.shadow)),r.push(s)}var o=new fabric.Group(r);o.canvas=this.canvas,this.canvas.fire("before:path:created",{path:o}),this.canvas.add(o),this.canvas.fire("path:created",{path:o}),this.canvas.clearContext(this.canvas.contextTop),this._resetShadow(),this.canvas.renderOnAddRemove=i,this.canvas.requestRenderAll()},addPoint:function(t){var e=new fabric.Point(t.x,t.y),i=fabric.util.getRandomInt(Math.max(0,this.width-20),this.width+20)/2,r=new fabric.Color(this.color).setAlpha(fabric.util.getRandomInt(0,100)/100).toRgba();return e.radius=i,e.fill=r,this.points.push(e),e}}),fabric.SprayBrush=fabric.util.createClass(fabric.BaseBrush,{width:10,density:20,dotWidth:1,dotWidthVariance:1,randomOpacity:!1,optimizeOverlapping:!0,initialize:function(t){this.canvas=t,this.sprayChunks=[]},onMouseDown:function(t){this.sprayChunks.length=0,this.canvas.clearContext(this.canvas.contextTop),this._setShadow(),this.addSprayChunk(t),this.render(this.sprayChunkPoints)},onMouseMove:function(t){!0===this.limitedToCanvasSize&&this._isOutSideCanvas(t)||(this.addSprayChunk(t),this.render(this.sprayChunkPoints))},onMouseUp:function(){var t=this.canvas.renderOnAddRemove;this.canvas.renderOnAddRemove=!1;for(var e=[],i=0,r=this.sprayChunks.length;i<r;i++)for(var n=this.sprayChunks[i],s=0,o=n.length;s<o;s++){var a=new fabric.Rect({width:n[s].width,height:n[s].width,left:n[s].x+1,top:n[s].y+1,originX:"center",originY:"center",fill:this.color});e.push(a)}this.optimizeOverlapping&&(e=this._getOptimizedRects(e));var c=new fabric.Group(e);this.shadow&&c.set("shadow",new fabric.Shadow(this.shadow)),this.canvas.fire("before:path:created",{path:c}),this.canvas.add(c),this.canvas.fire("path:created",{path:c}),this.canvas.clearContext(this.canvas.contextTop),this._resetShadow(),this.canvas.renderOnAddRemove=t,this.canvas.requestRenderAll()},_getOptimizedRects:function(t){var e,i,r,n={};for(i=0,r=t.length;i<r;i++)n[e=t[i].left+""+t[i].top]||(n[e]=t[i]);var s=[];for(e in n)s.push(n[e]);return s},render:function(t){var e,i,r=this.canvas.contextTop;for(r.fillStyle=this.color,this._saveAndTransform(r),e=0,i=t.length;e<i;e++){var n=t[e];void 0!==n.opacity&&(r.globalAlpha=n.opacity),r.fillRect(n.x,n.y,n.width,n.width)}r.restore()},_render:function(){var t,e,i=this.canvas.contextTop;for(i.fillStyle=this.color,this._saveAndTransform(i),t=0,e=this.sprayChunks.length;t<e;t++)this.render(this.sprayChunks[t]);i.restore()},addSprayChunk:function(t){this.sprayChunkPoints=[];var e,i,r,n,s=this.width/2;for(n=0;n<this.density;n++){e=fabric.util.getRandomInt(t.x-s,t.x+s),i=fabric.util.getRandomInt(t.y-s,t.y+s),r=this.dotWidthVariance?fabric.util.getRandomInt(Math.max(1,this.dotWidth-this.dotWidthVariance),this.dotWidth+this.dotWidthVariance):this.dotWidth;var o=new fabric.Point(e,i);o.width=r,this.randomOpacity&&(o.opacity=fabric.util.getRandomInt(0,100)/100),this.sprayChunkPoints.push(o)}this.sprayChunks.push(this.sprayChunkPoints)}}),fabric.PatternBrush=fabric.util.createClass(fabric.PencilBrush,{getPatternSrc:function(){var t=fabric.util.createCanvasElement(),e=t.getContext("2d");return t.width=t.height=25,e.fillStyle=this.color,e.beginPath(),e.arc(10,10,10,0,2*Math.PI,!1),e.closePath(),e.fill(),t},getPatternSrcFunction:function(){return String(this.getPatternSrc).replace("this.color",'"'+this.color+'"')},getPattern:function(t){return t.createPattern(this.source||this.getPatternSrc(),"repeat")},_setBrushStyles:function(t){this.callSuper("_setBrushStyles",t),t.strokeStyle=this.getPattern(t)},createPath:function(t){var e=this.callSuper("createPath",t),i=e._getLeftTopCoords().scalarAdd(e.strokeWidth/2);return e.stroke=new fabric.Pattern({source:this.source||this.getPatternSrcFunction(),offsetX:-i.x,offsetY:-i.y}),e}}),function(){var t=fabric.util.getPointer,e=fabric.util.degreesToRadians,i=fabric.util.isTouchEvent;for(var r in fabric.Canvas=fabric.util.createClass(fabric.StaticCanvas,{initialize:function(t,e){e||(e={}),this.renderAndResetBound=this.renderAndReset.bind(this),this.requestRenderAllBound=this.requestRenderAll.bind(this),this._initStatic(t,e),this._initInteractive(),this._createCacheCanvas()},uniformScaling:!0,uniScaleKey:"shiftKey",centeredScaling:!1,centeredRotation:!1,centeredKey:"altKey",altActionKey:"shiftKey",interactive:!0,selection:!0,selectionKey:"shiftKey",altSelectionKey:null,selectionColor:"rgba(100, 100, 255, 0.3)",selectionDashArray:[],selectionBorderColor:"rgba(255, 255, 255, 0.3)",selectionLineWidth:1,selectionFullyContained:!1,hoverCursor:"move",moveCursor:"move",defaultCursor:"default",freeDrawingCursor:"crosshair",notAllowedCursor:"not-allowed",containerClass:"canvas-container",perPixelTargetFind:!1,targetFindTolerance:0,skipTargetFind:!1,isDrawingMode:!1,preserveObjectStacking:!1,snapAngle:0,snapThreshold:null,stopContextMenu:!1,fireRightClick:!1,fireMiddleClick:!1,targets:[],enablePointerEvents:!1,_hoveredTarget:null,_hoveredTargets:[],_initInteractive:function(){this._currentTransform=null,this._groupSelector=null,this._initWrapperElement(),this._createUpperCanvas(),this._initEventListeners(),this._initRetinaScaling(),this.freeDrawingBrush=fabric.PencilBrush&&new fabric.PencilBrush(this),this.calcOffset()},_chooseObjectsToRender:function(){var t,e,i,r=this.getActiveObjects();if(r.length>0&&!this.preserveObjectStacking){e=[],i=[];for(var n=0,s=this._objects.length;n<s;n++)t=this._objects[n],-1===r.indexOf(t)?e.push(t):i.push(t);r.length>1&&(this._activeObject._objects=i),e.push.apply(e,i)}else e=this._objects;return e},renderAll:function(){!this.contextTopDirty||this._groupSelector||this.isDrawingMode||(this.clearContext(this.contextTop),this.contextTopDirty=!1),this.hasLostContext&&(this.renderTopLayer(this.contextTop),this.hasLostContext=!1);var t=this.contextContainer;return this.renderCanvas(t,this._chooseObjectsToRender()),this},renderTopLayer:function(t){t.save(),this.isDrawingMode&&this._isCurrentlyDrawing&&(this.freeDrawingBrush&&this.freeDrawingBrush._render(),this.contextTopDirty=!0),this.selection&&this._groupSelector&&(this._drawSelection(t),this.contextTopDirty=!0),t.restore()},renderTop:function(){var t=this.contextTop;return this.clearContext(t),this.renderTopLayer(t),this.fire("after:render"),this},_normalizePointer:function(t,e){var i=t.calcTransformMatrix(),r=fabric.util.invertTransform(i),n=this.restorePointerVpt(e);return fabric.util.transformPoint(n,r)},isTargetTransparent:function(t,e,i){if(t.shouldCache()&&t._cacheCanvas&&t!==this._activeObject){var r=this._normalizePointer(t,{x:e,y:i}),n=Math.max(t.cacheTranslationX+r.x*t.zoomX,0),s=Math.max(t.cacheTranslationY+r.y*t.zoomY,0);return fabric.util.isTransparent(t._cacheContext,Math.round(n),Math.round(s),this.targetFindTolerance)}var o=this.contextCache,a=t.selectionBackgroundColor,c=this.viewportTransform;return t.selectionBackgroundColor="",this.clearContext(o),o.save(),o.transform(c[0],c[1],c[2],c[3],c[4],c[5]),t.render(o),o.restore(),t.selectionBackgroundColor=a,fabric.util.isTransparent(o,e,i,this.targetFindTolerance)},_isSelectionKeyPressed:function(t){return Array.isArray(this.selectionKey)?!!this.selectionKey.find(function(e){return!0===t[e]}):t[this.selectionKey]},_shouldClearSelection:function(t,e){var i=this.getActiveObjects(),r=this._activeObject;return!e||e&&r&&i.length>1&&-1===i.indexOf(e)&&r!==e&&!this._isSelectionKeyPressed(t)||e&&!e.evented||e&&!e.selectable&&r&&r!==e},_shouldCenterTransform:function(t,e,i){var r;if(t)return"scale"===e||"scaleX"===e||"scaleY"===e||"resizing"===e?r=this.centeredScaling||t.centeredScaling:"rotate"===e&&(r=this.centeredRotation||t.centeredRotation),r?!i:i},_getOriginFromCorner:function(t,e){var i={x:t.originX,y:t.originY};return"ml"===e||"tl"===e||"bl"===e?i.x="right":"mr"!==e&&"tr"!==e&&"br"!==e||(i.x="left"),"tl"===e||"mt"===e||"tr"===e?i.y="bottom":"bl"!==e&&"mb"!==e&&"br"!==e||(i.y="top"),i},_getActionFromCorner:function(t,e,i,r){if(!e||!t)return"drag";var n=r.controls[e];return n.getActionName(i,n,r)},_setupCurrentTransform:function(t,i,r){if(i){var n=this.getPointer(t),s=i.__corner,o=i.controls[s],a=r&&s?o.getActionHandler(t,i,o):fabric.controlsUtils.dragHandler,c=this._getActionFromCorner(r,s,t,i),h=this._getOriginFromCorner(i,s),l=t[this.centeredKey],u={target:i,action:c,actionHandler:a,corner:s,scaleX:i.scaleX,scaleY:i.scaleY,skewX:i.skewX,skewY:i.skewY,offsetX:n.x-i.left,offsetY:n.y-i.top,originX:h.x,originY:h.y,ex:n.x,ey:n.y,lastX:n.x,lastY:n.y,theta:e(i.angle),width:i.width*i.scaleX,shiftKey:t.shiftKey,altKey:l,original:fabric.util.saveObjectTransform(i)};this._shouldCenterTransform(i,c,l)&&(u.originX="center",u.originY="center"),u.original.originX=h.x,u.original.originY=h.y,this._currentTransform=u,this._beforeTransform(t)}},setCursor:function(t){this.upperCanvasEl.style.cursor=t},_drawSelection:function(t){var e=this._groupSelector,i=new fabric.Point(e.ex,e.ey),r=fabric.util.transformPoint(i,this.viewportTransform),n=new fabric.Point(e.ex+e.left,e.ey+e.top),s=fabric.util.transformPoint(n,this.viewportTransform),o=Math.min(r.x,s.x),a=Math.min(r.y,s.y),c=Math.max(r.x,s.x),h=Math.max(r.y,s.y),l=this.selectionLineWidth/2;this.selectionColor&&(t.fillStyle=this.selectionColor,t.fillRect(o,a,c-o,h-a)),this.selectionLineWidth&&this.selectionBorderColor&&(t.lineWidth=this.selectionLineWidth,t.strokeStyle=this.selectionBorderColor,o+=l,a+=l,c-=l,h-=l,fabric.Object.prototype._setLineDash.call(this,t,this.selectionDashArray),t.strokeRect(o,a,c-o,h-a))},findTarget:function(t,e){if(!this.skipTargetFind){var r,n,s=this.getPointer(t,!0),o=this._activeObject,a=this.getActiveObjects(),c=i(t),h=a.length>1&&!e||1===a.length;if(this.targets=[],h&&o._findTargetCorner(s,c))return o;if(a.length>1&&!e&&o===this._searchPossibleTargets([o],s))return o;if(1===a.length&&o===this._searchPossibleTargets([o],s)){if(!this.preserveObjectStacking)return o;r=o,n=this.targets,this.targets=[]}var l=this._searchPossibleTargets(this._objects,s);return t[this.altSelectionKey]&&l&&r&&l!==r&&(l=r,this.targets=n),l}},_checkTarget:function(t,e,i){if(e&&e.visible&&e.evented&&e.containsPoint(t)){if(!this.perPixelTargetFind&&!e.perPixelTargetFind||e.isEditing)return!0;if(!this.isTargetTransparent(e,i.x,i.y))return!0}},_searchPossibleTargets:function(t,e){for(var i,r,n=t.length;n--;){var s=t[n],o=s.group?this._normalizePointer(s.group,e):e;if(this._checkTarget(o,s,e)){(i=t[n]).subTargetCheck&&i instanceof fabric.Group&&(r=this._searchPossibleTargets(i._objects,e))&&this.targets.push(r);break}}return i},restorePointerVpt:function(t){return fabric.util.transformPoint(t,fabric.util.invertTransform(this.viewportTransform))},getPointer:function(e,i){if(this._absolutePointer&&!i)return this._absolutePointer;if(this._pointer&&i)return this._pointer;var r,n=t(e),s=this.upperCanvasEl,o=s.getBoundingClientRect(),a=o.width||0,c=o.height||0;a&&c||("top"in o&&"bottom"in o&&(c=Math.abs(o.top-o.bottom)),"right"in o&&"left"in o&&(a=Math.abs(o.right-o.left))),this.calcOffset(),n.x=n.x-this._offset.left,n.y=n.y-this._offset.top,i||(n=this.restorePointerVpt(n));var h=this.getRetinaScaling();return 1!==h&&(n.x/=h,n.y/=h),r=0===a||0===c?{width:1,height:1}:{width:s.width/a,height:s.height/c},{x:n.x*r.width,y:n.y*r.height}},_createUpperCanvas:function(){var t=this.lowerCanvasEl.className.replace(/\s*lower-canvas\s*/,""),e=this.lowerCanvasEl,i=this.upperCanvasEl;i?i.className="":(i=this._createCanvasElement(),this.upperCanvasEl=i),fabric.util.addClass(i,"upper-canvas "+t),this.wrapperEl.appendChild(i),this._copyCanvasStyle(e,i),this._applyCanvasStyle(i),this.contextTop=i.getContext("2d")},getTopContext:function(){return this.contextTop},_createCacheCanvas:function(){this.cacheCanvasEl=this._createCanvasElement(),this.cacheCanvasEl.setAttribute("width",this.width),this.cacheCanvasEl.setAttribute("height",this.height),this.contextCache=this.cacheCanvasEl.getContext("2d")},_initWrapperElement:function(){this.wrapperEl=fabric.util.wrapElement(this.lowerCanvasEl,"div",{class:this.containerClass}),fabric.util.setStyle(this.wrapperEl,{width:this.width+"px",height:this.height+"px",position:"relative"}),fabric.util.makeElementUnselectable(this.wrapperEl)},_applyCanvasStyle:function(t){var e=this.width||t.width,i=this.height||t.height;fabric.util.setStyle(t,{position:"absolute",width:e+"px",height:i+"px",left:0,top:0,"touch-action":this.allowTouchScrolling?"manipulation":"none","-ms-touch-action":this.allowTouchScrolling?"manipulation":"none"}),t.width=e,t.height=i,fabric.util.makeElementUnselectable(t)},_copyCanvasStyle:function(t,e){e.style.cssText=t.style.cssText},getSelectionContext:function(){return this.contextTop},getSelectionElement:function(){return this.upperCanvasEl},getActiveObject:function(){return this._activeObject},getActiveObjects:function(){var t=this._activeObject;return t?"activeSelection"===t.type&&t._objects?t._objects.slice(0):[t]:[]},_onObjectRemoved:function(t){t===this._activeObject&&(this.fire("before:selection:cleared",{target:t}),this._discardActiveObject(),this.fire("selection:cleared",{target:t}),t.fire("deselected")),t===this._hoveredTarget&&(this._hoveredTarget=null,this._hoveredTargets=[]),this.callSuper("_onObjectRemoved",t)},_fireSelectionEvents:function(t,e){var i=!1,r=this.getActiveObjects(),n=[],s=[];t.forEach(function(t){-1===r.indexOf(t)&&(i=!0,t.fire("deselected",{e:e,target:t}),s.push(t))}),r.forEach(function(r){-1===t.indexOf(r)&&(i=!0,r.fire("selected",{e:e,target:r}),n.push(r))}),t.length>0&&r.length>0?i&&this.fire("selection:updated",{e:e,selected:n,deselected:s}):r.length>0?this.fire("selection:created",{e:e,selected:n}):t.length>0&&this.fire("selection:cleared",{e:e,deselected:s})},setActiveObject:function(t,e){var i=this.getActiveObjects();return this._setActiveObject(t,e),this._fireSelectionEvents(i,e),this},_setActiveObject:function(t,e){return this._activeObject!==t&&(!!this._discardActiveObject(e,t)&&(!t.onSelect({e:e})&&(this._activeObject=t,!0)))},_discardActiveObject:function(t,e){var i=this._activeObject;if(i){if(i.onDeselect({e:t,object:e}))return!1;this._activeObject=null}return!0},discardActiveObject:function(t){var e=this.getActiveObjects(),i=this.getActiveObject();return e.length&&this.fire("before:selection:cleared",{target:i,e:t}),this._discardActiveObject(t),this._fireSelectionEvents(e,t),this},dispose:function(){var t=this.wrapperEl;return this.removeListeners(),t.removeChild(this.upperCanvasEl),t.removeChild(this.lowerCanvasEl),this.contextCache=null,this.contextTop=null,["upperCanvasEl","cacheCanvasEl"].forEach(function(t){fabric.util.cleanUpJsdomNode(this[t]),this[t]=void 0}.bind(this)),t.parentNode&&t.parentNode.replaceChild(this.lowerCanvasEl,this.wrapperEl),delete this.wrapperEl,fabric.StaticCanvas.prototype.dispose.call(this),this},clear:function(){return this.discardActiveObject(),this.clearContext(this.contextTop),this.callSuper("clear")},drawControls:function(t){var e=this._activeObject;e&&e._renderControls(t)},_toObject:function(t,e,i){var r=this._realizeGroupTransformOnObject(t),n=this.callSuper("_toObject",t,e,i);return this._unwindGroupTransformOnObject(t,r),n},_realizeGroupTransformOnObject:function(t){if(t.group&&"activeSelection"===t.group.type&&this._activeObject===t.group){var e={};return["angle","flipX","flipY","left","scaleX","scaleY","skewX","skewY","top"].forEach(function(i){e[i]=t[i]}),fabric.util.addTransformToObject(t,this._activeObject.calcOwnMatrix()),e}return null},_unwindGroupTransformOnObject:function(t,e){e&&t.set(e)},_setSVGObject:function(t,e,i){var r=this._realizeGroupTransformOnObject(e);this.callSuper("_setSVGObject",t,e,i),this._unwindGroupTransformOnObject(e,r)},setViewportTransform:function(t){this.renderOnAddRemove&&this._activeObject&&this._activeObject.isEditing&&this._activeObject.clearContextTop(),fabric.StaticCanvas.prototype.setViewportTransform.call(this,t)}}),fabric.StaticCanvas)"prototype"!==r&&(fabric.Canvas[r]=fabric.StaticCanvas[r])}(),function(){var t=fabric.util.addListener,e=fabric.util.removeListener,i={passive:!1};function r(t,e){return t.button&&t.button===e-1}fabric.util.object.extend(fabric.Canvas.prototype,{mainTouchId:null,_initEventListeners:function(){this.removeListeners(),this._bindEvents(),this.addOrRemove(t,"add")},_getEventPrefix:function(){return this.enablePointerEvents?"pointer":"mouse"},addOrRemove:function(t,e){var r=this.upperCanvasEl,n=this._getEventPrefix();t(fabric.window,"resize",this._onResize),t(r,n+"down",this._onMouseDown),t(r,n+"move",this._onMouseMove,i),t(r,n+"out",this._onMouseOut),t(r,n+"enter",this._onMouseEnter),t(r,"wheel",this._onMouseWheel),t(r,"contextmenu",this._onContextMenu),t(r,"dblclick",this._onDoubleClick),t(r,"dragover",this._onDragOver),t(r,"dragenter",this._onDragEnter),t(r,"dragleave",this._onDragLeave),t(r,"drop",this._onDrop),this.enablePointerEvents||t(r,"touchstart",this._onTouchStart,i),"undefined"!=typeof eventjs&&e in eventjs&&(eventjs[e](r,"gesture",this._onGesture),eventjs[e](r,"drag",this._onDrag),eventjs[e](r,"orientation",this._onOrientationChange),eventjs[e](r,"shake",this._onShake),eventjs[e](r,"longpress",this._onLongPress))},removeListeners:function(){this.addOrRemove(e,"remove");var t=this._getEventPrefix();e(fabric.document,t+"up",this._onMouseUp),e(fabric.document,"touchend",this._onTouchEnd,i),e(fabric.document,t+"move",this._onMouseMove,i),e(fabric.document,"touchmove",this._onMouseMove,i)},_bindEvents:function(){this.eventsBound||(this._onMouseDown=this._onMouseDown.bind(this),this._onTouchStart=this._onTouchStart.bind(this),this._onMouseMove=this._onMouseMove.bind(this),this._onMouseUp=this._onMouseUp.bind(this),this._onTouchEnd=this._onTouchEnd.bind(this),this._onResize=this._onResize.bind(this),this._onGesture=this._onGesture.bind(this),this._onDrag=this._onDrag.bind(this),this._onShake=this._onShake.bind(this),this._onLongPress=this._onLongPress.bind(this),this._onOrientationChange=this._onOrientationChange.bind(this),this._onMouseWheel=this._onMouseWheel.bind(this),this._onMouseOut=this._onMouseOut.bind(this),this._onMouseEnter=this._onMouseEnter.bind(this),this._onContextMenu=this._onContextMenu.bind(this),this._onDoubleClick=this._onDoubleClick.bind(this),this._onDragOver=this._onDragOver.bind(this),this._onDragEnter=this._simpleEventHandler.bind(this,"dragenter"),this._onDragLeave=this._simpleEventHandler.bind(this,"dragleave"),this._onDrop=this._onDrop.bind(this),this.eventsBound=!0)},_onGesture:function(t,e){this.__onTransformGesture&&this.__onTransformGesture(t,e)},_onDrag:function(t,e){this.__onDrag&&this.__onDrag(t,e)},_onMouseWheel:function(t){this.__onMouseWheel(t)},_onMouseOut:function(t){var e=this._hoveredTarget;this.fire("mouse:out",{target:e,e:t}),this._hoveredTarget=null,e&&e.fire("mouseout",{e:t});var i=this;this._hoveredTargets.forEach(function(r){i.fire("mouse:out",{target:e,e:t}),r&&e.fire("mouseout",{e:t})}),this._hoveredTargets=[],this._iTextInstances&&this._iTextInstances.forEach(function(t){t.isEditing&&t.hiddenTextarea.focus()})},_onMouseEnter:function(t){this._currentTransform||this.findTarget(t)||(this.fire("mouse:over",{target:null,e:t}),this._hoveredTarget=null,this._hoveredTargets=[])},_onOrientationChange:function(t,e){this.__onOrientationChange&&this.__onOrientationChange(t,e)},_onShake:function(t,e){this.__onShake&&this.__onShake(t,e)},_onLongPress:function(t,e){this.__onLongPress&&this.__onLongPress(t,e)},_onDragOver:function(t){t.preventDefault();var e=this._simpleEventHandler("dragover",t);this._fireEnterLeaveEvents(e,t)},_onDrop:function(t){return this._simpleEventHandler("drop:before",t),this._simpleEventHandler("drop",t)},_onContextMenu:function(t){return this.stopContextMenu&&(t.stopPropagation(),t.preventDefault()),!1},_onDoubleClick:function(t){this._cacheTransformEventData(t),this._handleEvent(t,"dblclick"),this._resetTransformEventData(t)},getPointerId:function(t){var e=t.changedTouches;return e?e[0]&&e[0].identifier:this.enablePointerEvents?t.pointerId:-1},_isMainEvent:function(t){return!0===t.isPrimary||!1!==t.isPrimary&&("touchend"===t.type&&0===t.touches.length||(!t.changedTouches||t.changedTouches[0].identifier===this.mainTouchId))},_onTouchStart:function(r){r.preventDefault(),null===this.mainTouchId&&(this.mainTouchId=this.getPointerId(r)),this.__onMouseDown(r),this._resetTransformEventData();var n=this.upperCanvasEl,s=this._getEventPrefix();t(fabric.document,"touchend",this._onTouchEnd,i),t(fabric.document,"touchmove",this._onMouseMove,i),e(n,s+"down",this._onMouseDown)},_onMouseDown:function(r){this.__onMouseDown(r),this._resetTransformEventData();var n=this.upperCanvasEl,s=this._getEventPrefix();e(n,s+"move",this._onMouseMove,i),t(fabric.document,s+"up",this._onMouseUp),t(fabric.document,s+"move",this._onMouseMove,i)},_onTouchEnd:function(r){if(!(r.touches.length>0)){this.__onMouseUp(r),this._resetTransformEventData(),this.mainTouchId=null;var n=this._getEventPrefix();e(fabric.document,"touchend",this._onTouchEnd,i),e(fabric.document,"touchmove",this._onMouseMove,i);var s=this;this._willAddMouseDown&&clearTimeout(this._willAddMouseDown),this._willAddMouseDown=setTimeout(function(){t(s.upperCanvasEl,n+"down",s._onMouseDown),s._willAddMouseDown=0},400)}},_onMouseUp:function(r){this.__onMouseUp(r),this._resetTransformEventData();var n=this.upperCanvasEl,s=this._getEventPrefix();this._isMainEvent(r)&&(e(fabric.document,s+"up",this._onMouseUp),e(fabric.document,s+"move",this._onMouseMove,i),t(n,s+"move",this._onMouseMove,i))},_onMouseMove:function(t){!this.allowTouchScrolling&&t.preventDefault&&t.preventDefault(),this.__onMouseMove(t)},_onResize:function(){this.calcOffset()},_shouldRender:function(t){var e=this._activeObject;return!!(!!e!=!!t||e&&t&&e!==t)||(e&&e.isEditing,!1)},__onMouseUp:function(t){var e,i=this._currentTransform,n=this._groupSelector,s=!1,o=!n||0===n.left&&0===n.top;if(this._cacheTransformEventData(t),e=this._target,this._handleEvent(t,"up:before"),r(t,3))this.fireRightClick&&this._handleEvent(t,"up",3,o);else{if(r(t,2))return this.fireMiddleClick&&this._handleEvent(t,"up",2,o),void this._resetTransformEventData();if(this.isDrawingMode&&this._isCurrentlyDrawing)this._onMouseUpInDrawingMode(t);else if(this._isMainEvent(t)){if(i&&(this._finalizeCurrentTransform(t),s=i.actionPerformed),!o){var a=e===this._activeObject;this._maybeGroupObjects(t),s||(s=this._shouldRender(e)||!a&&e===this._activeObject)}var c,h;if(e){if(c=e._findTargetCorner(this.getPointer(t,!0),fabric.util.isTouchEvent(t)),e.selectable&&e!==this._activeObject&&"up"===e.activeOn)this.setActiveObject(e,t),s=!0;else{var l=e.controls[c],u=l&&l.getMouseUpHandler(t,e,l);u&&u(t,i,(h=this.getPointer(t)).x,h.y)}e.isMoving=!1}if(i&&(i.target!==e||i.corner!==c)){var f=i.target&&i.target.controls[i.corner],d=f&&f.getMouseUpHandler(t,e,l);h=h||this.getPointer(t),d&&d(t,i,h.x,h.y)}this._setCursorFromEvent(t,e),this._handleEvent(t,"up",1,o),this._groupSelector=null,this._currentTransform=null,e&&(e.__corner=0),s?this.requestRenderAll():o||this.renderTop()}}},_simpleEventHandler:function(t,e){var i=this.findTarget(e),r=this.targets,n={e:e,target:i,subTargets:r};if(this.fire(t,n),i&&i.fire(t,n),!r)return i;for(var s=0;s<r.length;s++)r[s].fire(t,n);return i},_handleEvent:function(t,e,i,r){var n=this._target,s=this.targets||[],o={e:t,target:n,subTargets:s,button:i||1,isClick:r||!1,pointer:this._pointer,absolutePointer:this._absolutePointer,transform:this._currentTransform};"up"===e&&(o.currentTarget=this.findTarget(t),o.currentSubTargets=this.targets),this.fire("mouse:"+e,o),n&&n.fire("mouse"+e,o);for(var a=0;a<s.length;a++)s[a].fire("mouse"+e,o)},_finalizeCurrentTransform:function(t){var e=this._currentTransform,i=e.target,r={e:t,target:i,transform:e,action:e.action};i._scaling&&(i._scaling=!1),i.setCoords(),(e.actionPerformed||this.stateful&&i.hasStateChanged())&&this._fire("modified",r)},_onMouseDownInDrawingMode:function(t){this._isCurrentlyDrawing=!0,this.getActiveObject()&&this.discardActiveObject(t).requestRenderAll();var e=this.getPointer(t);this.freeDrawingBrush.onMouseDown(e,{e:t,pointer:e}),this._handleEvent(t,"down")},_onMouseMoveInDrawingMode:function(t){if(this._isCurrentlyDrawing){var e=this.getPointer(t);this.freeDrawingBrush.onMouseMove(e,{e:t,pointer:e})}this.setCursor(this.freeDrawingCursor),this._handleEvent(t,"move")},_onMouseUpInDrawingMode:function(t){var e=this.getPointer(t);this._isCurrentlyDrawing=this.freeDrawingBrush.onMouseUp({e:t,pointer:e}),this._handleEvent(t,"up")},__onMouseDown:function(t){this._cacheTransformEventData(t),this._handleEvent(t,"down:before");var e=this._target;if(r(t,3))this.fireRightClick&&this._handleEvent(t,"down",3);else if(r(t,2))this.fireMiddleClick&&this._handleEvent(t,"down",2);else if(this.isDrawingMode)this._onMouseDownInDrawingMode(t);else if(this._isMainEvent(t)&&!this._currentTransform){var i=this._pointer;this._previousPointer=i;var n=this._shouldRender(e),s=this._shouldGroup(t,e);if(this._shouldClearSelection(t,e)?this.discardActiveObject(t):s&&(this._handleGrouping(t,e),e=this._activeObject),!this.selection||e&&(e.selectable||e.isEditing||e===this._activeObject)||(this._groupSelector={ex:this._absolutePointer.x,ey:this._absolutePointer.y,top:0,left:0}),e){var o=e===this._activeObject;e.selectable&&"down"===e.activeOn&&this.setActiveObject(e,t);var a=e._findTargetCorner(this.getPointer(t,!0),fabric.util.isTouchEvent(t));if(e.__corner=a,e===this._activeObject&&(a||!s)){this._setupCurrentTransform(t,e,o);var c=e.controls[a],h=(i=this.getPointer(t),c&&c.getMouseDownHandler(t,e,c));h&&h(t,this._currentTransform,i.x,i.y)}}this._handleEvent(t,"down"),(n||s)&&this.requestRenderAll()}},_resetTransformEventData:function(){this._target=null,this._pointer=null,this._absolutePointer=null},_cacheTransformEventData:function(t){this._resetTransformEventData(),this._pointer=this.getPointer(t,!0),this._absolutePointer=this.restorePointerVpt(this._pointer),this._target=this._currentTransform?this._currentTransform.target:this.findTarget(t)||null},_beforeTransform:function(t){var e=this._currentTransform;this.stateful&&e.target.saveState(),this.fire("before:transform",{e:t,transform:e})},__onMouseMove:function(t){var e,i;if(this._handleEvent(t,"move:before"),this._cacheTransformEventData(t),this.isDrawingMode)this._onMouseMoveInDrawingMode(t);else if(this._isMainEvent(t)){var r=this._groupSelector;r?(i=this._absolutePointer,r.left=i.x-r.ex,r.top=i.y-r.ey,this.renderTop()):this._currentTransform?this._transformObject(t):(e=this.findTarget(t)||null,this._setCursorFromEvent(t,e),this._fireOverOutEvents(e,t)),this._handleEvent(t,"move"),this._resetTransformEventData()}},_fireOverOutEvents:function(t,e){var i=this._hoveredTarget,r=this._hoveredTargets,n=this.targets,s=Math.max(r.length,n.length);this.fireSyntheticInOutEvents(t,e,{oldTarget:i,evtOut:"mouseout",canvasEvtOut:"mouse:out",evtIn:"mouseover",canvasEvtIn:"mouse:over"});for(var o=0;o<s;o++)this.fireSyntheticInOutEvents(n[o],e,{oldTarget:r[o],evtOut:"mouseout",evtIn:"mouseover"});this._hoveredTarget=t,this._hoveredTargets=this.targets.concat()},_fireEnterLeaveEvents:function(t,e){var i=this._draggedoverTarget,r=this._hoveredTargets,n=this.targets,s=Math.max(r.length,n.length);this.fireSyntheticInOutEvents(t,e,{oldTarget:i,evtOut:"dragleave",evtIn:"dragenter"});for(var o=0;o<s;o++)this.fireSyntheticInOutEvents(n[o],e,{oldTarget:r[o],evtOut:"dragleave",evtIn:"dragenter"});this._draggedoverTarget=t},fireSyntheticInOutEvents:function(t,e,i){var r,n,s,o=i.oldTarget,a=o!==t,c=i.canvasEvtIn,h=i.canvasEvtOut;a&&(r={e:e,target:t,previousTarget:o},n={e:e,target:o,nextTarget:t}),s=t&&a,o&&a&&(h&&this.fire(h,n),o.fire(i.evtOut,n)),s&&(c&&this.fire(c,r),t.fire(i.evtIn,r))},__onMouseWheel:function(t){this._cacheTransformEventData(t),this._handleEvent(t,"wheel"),this._resetTransformEventData()},_transformObject:function(t){var e=this.getPointer(t),i=this._currentTransform;i.reset=!1,i.shiftKey=t.shiftKey,i.altKey=t[this.centeredKey],this._performTransformAction(t,i,e),i.actionPerformed&&this.requestRenderAll()},_performTransformAction:function(t,e,i){var r=i.x,n=i.y,s=e.action,o=!1,a=e.actionHandler;a&&(o=a(t,e,r,n)),"drag"===s&&o&&(e.target.isMoving=!0,this.setCursor(e.target.moveCursor||this.moveCursor)),e.actionPerformed=e.actionPerformed||o},_fire:fabric.controlsUtils.fireEvent,_setCursorFromEvent:function(t,e){if(!e)return this.setCursor(this.defaultCursor),!1;var i=e.hoverCursor||this.hoverCursor,r=this._activeObject&&"activeSelection"===this._activeObject.type?this._activeObject:null,n=(!r||!r.contains(e))&&e._findTargetCorner(this.getPointer(t,!0));n?this.setCursor(this.getCornerCursor(n,e,t)):(e.subTargetCheck&&this.targets.concat().reverse().map(function(t){i=t.hoverCursor||i}),this.setCursor(i))},getCornerCursor:function(t,e,i){var r=e.controls[t];return r.cursorStyleHandler(i,r,e)}})}(),function(){var t=Math.min,e=Math.max;fabric.util.object.extend(fabric.Canvas.prototype,{_shouldGroup:function(t,e){var i=this._activeObject;return i&&this._isSelectionKeyPressed(t)&&e&&e.selectable&&this.selection&&(i!==e||"activeSelection"===i.type)&&!e.onSelect({e:t})},_handleGrouping:function(t,e){var i=this._activeObject;i.__corner||(e!==i||(e=this.findTarget(t,!0))&&e.selectable)&&(i&&"activeSelection"===i.type?this._updateActiveSelection(e,t):this._createActiveSelection(e,t))},_updateActiveSelection:function(t,e){var i=this._activeObject,r=i._objects.slice(0);i.contains(t)?(i.removeWithUpdate(t),this._hoveredTarget=t,this._hoveredTargets=this.targets.concat(),1===i.size()&&this._setActiveObject(i.item(0),e)):(i.addWithUpdate(t),this._hoveredTarget=i,this._hoveredTargets=this.targets.concat()),this._fireSelectionEvents(r,e)},_createActiveSelection:function(t,e){var i=this.getActiveObjects(),r=this._createGroup(t);this._hoveredTarget=r,this._setActiveObject(r,e),this._fireSelectionEvents(i,e)},_createGroup:function(t){var e=this._objects,i=e.indexOf(this._activeObject)<e.indexOf(t)?[this._activeObject,t]:[t,this._activeObject];return this._activeObject.isEditing&&this._activeObject.exitEditing(),new fabric.ActiveSelection(i,{canvas:this})},_groupSelectedObjects:function(t){var e,i=this._collectObjects(t);1===i.length?this.setActiveObject(i[0],t):i.length>1&&(e=new fabric.ActiveSelection(i.reverse(),{canvas:this}),this.setActiveObject(e,t))},_collectObjects:function(i){for(var r,n=[],s=this._groupSelector.ex,o=this._groupSelector.ey,a=s+this._groupSelector.left,c=o+this._groupSelector.top,h=new fabric.Point(t(s,a),t(o,c)),l=new fabric.Point(e(s,a),e(o,c)),u=!this.selectionFullyContained,f=s===a&&o===c,d=this._objects.length;d--&&!((r=this._objects[d])&&r.selectable&&r.visible&&(u&&r.intersectsWithRect(h,l,!0)||r.isContainedWithinRect(h,l,!0)||u&&r.containsPoint(h,null,!0)||u&&r.containsPoint(l,null,!0))&&(n.push(r),f)););return n.length>1&&(n=n.filter(function(t){return!t.onSelect({e:i})})),n},_maybeGroupObjects:function(t){this.selection&&this._groupSelector&&this._groupSelectedObjects(t),this.setCursor(this.defaultCursor),this._groupSelector=null}})}(),fabric.util.object.extend(fabric.StaticCanvas.prototype,{toDataURL:function(t){t||(t={});var e=t.format||"png",i=t.quality||1,r=(t.multiplier||1)*(t.enableRetinaScaling?this.getRetinaScaling():1),n=this.toCanvasElement(r,t);return fabric.util.toDataURL(n,e,i)},toCanvasElement:function(t,e){t=t||1;var i=((e=e||{}).width||this.width)*t,r=(e.height||this.height)*t,n=this.getZoom(),s=this.width,o=this.height,a=n*t,c=this.viewportTransform,h=(c[4]-(e.left||0))*t,l=(c[5]-(e.top||0))*t,u=this.interactive,f=[a,0,0,a,h,l],d=this.enableRetinaScaling,g=fabric.util.createCanvasElement(),p=this.contextTop;return g.width=i,g.height=r,this.contextTop=null,this.enableRetinaScaling=!1,this.interactive=!1,this.viewportTransform=f,this.width=i,this.height=r,this.calcViewportBoundaries(),this.renderCanvas(g.getContext("2d"),this._objects),this.viewportTransform=c,this.width=s,this.height=o,this.calcViewportBoundaries(),this.interactive=u,this.enableRetinaScaling=d,this.contextTop=p,g}}),fabric.util.object.extend(fabric.StaticCanvas.prototype,{loadFromJSON:function(t,e,i){if(t){var r="string"==typeof t?JSON.parse(t):fabric.util.object.clone(t),n=this,s=r.clipPath,o=this.renderOnAddRemove;return this.renderOnAddRemove=!1,delete r.clipPath,this._enlivenObjects(r.objects,function(t){n.clear(),n._setBgOverlay(r,function(){s?n._enlivenObjects([s],function(i){n.clipPath=i[0],n.__setupCanvas.call(n,r,t,o,e)}):n.__setupCanvas.call(n,r,t,o,e)})},i),this}},__setupCanvas:function(t,e,i,r){var n=this;e.forEach(function(t,e){n.insertAt(t,e)}),this.renderOnAddRemove=i,delete t.objects,delete t.backgroundImage,delete t.overlayImage,delete t.background,delete t.overlay,this._setOptions(t),this.renderAll(),r&&r()},_setBgOverlay:function(t,e){var i={backgroundColor:!1,overlayColor:!1,backgroundImage:!1,overlayImage:!1};if(t.backgroundImage||t.overlayImage||t.background||t.overlay){var r=function(){i.backgroundImage&&i.overlayImage&&i.backgroundColor&&i.overlayColor&&e&&e()};this.__setBgOverlay("backgroundImage",t.backgroundImage,i,r),this.__setBgOverlay("overlayImage",t.overlayImage,i,r),this.__setBgOverlay("backgroundColor",t.background,i,r),this.__setBgOverlay("overlayColor",t.overlay,i,r)}else e&&e()},__setBgOverlay:function(t,e,i,r){var n=this;if(!e)return i[t]=!0,void(r&&r());"backgroundImage"===t||"overlayImage"===t?fabric.util.enlivenObjects([e],function(e){n[t]=e[0],i[t]=!0,r&&r()}):this["set"+fabric.util.string.capitalize(t,!0)](e,function(){i[t]=!0,r&&r()})},_enlivenObjects:function(t,e,i){t&&0!==t.length?fabric.util.enlivenObjects(t,function(t){e&&e(t)},null,i):e&&e([])},_toDataURL:function(t,e){this.clone(function(i){e(i.toDataURL(t))})},_toDataURLWithMultiplier:function(t,e,i){this.clone(function(r){i(r.toDataURLWithMultiplier(t,e))})},clone:function(t,e){var i=JSON.stringify(this.toJSON(e));this.cloneWithoutData(function(e){e.loadFromJSON(i,function(){t&&t(e)})})},cloneWithoutData:function(t){var e=fabric.util.createCanvasElement();e.width=this.width,e.height=this.height;var i=new fabric.Canvas(e);this.backgroundImage?(i.setBackgroundImage(this.backgroundImage.src,function(){i.renderAll(),t&&t(i)}),i.backgroundImageOpacity=this.backgroundImageOpacity,i.backgroundImageStretch=this.backgroundImageStretch):t&&t(i)}}),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,r=e.util.object.clone,n=e.util.toFixed,s=e.util.string.capitalize,o=e.util.degreesToRadians,a=!e.isLikelyNode;e.Object||(e.Object=e.util.createClass(e.CommonMethods,{type:"object",originX:"left",originY:"top",top:0,left:0,width:0,height:0,scaleX:1,scaleY:1,flipX:!1,flipY:!1,opacity:1,angle:0,skewX:0,skewY:0,cornerSize:13,touchCornerSize:24,transparentCorners:!0,hoverCursor:null,moveCursor:null,padding:0,borderColor:"rgb(178,204,255)",borderDashArray:null,cornerColor:"rgb(178,204,255)",cornerStrokeColor:null,cornerStyle:"rect",cornerDashArray:null,centeredScaling:!1,centeredRotation:!0,fill:"rgb(0,0,0)",fillRule:"nonzero",globalCompositeOperation:"source-over",backgroundColor:"",selectionBackgroundColor:"",stroke:null,strokeWidth:1,strokeDashArray:null,strokeDashOffset:0,strokeLineCap:"butt",strokeLineJoin:"miter",strokeMiterLimit:4,shadow:null,borderOpacityWhenMoving:.4,borderScaleFactor:1,minScaleLimit:0,selectable:!0,evented:!0,visible:!0,hasControls:!0,hasBorders:!0,perPixelTargetFind:!1,includeDefaultValues:!0,lockMovementX:!1,lockMovementY:!1,lockRotation:!1,lockScalingX:!1,lockScalingY:!1,lockSkewingX:!1,lockSkewingY:!1,lockScalingFlip:!1,excludeFromExport:!1,objectCaching:a,statefullCache:!1,noScaleCache:!0,strokeUniform:!1,dirty:!0,__corner:0,paintFirst:"fill",activeOn:"down",stateProperties:"top left width height scaleX scaleY flipX flipY originX originY transformMatrix stroke strokeWidth strokeDashArray strokeLineCap strokeDashOffset strokeLineJoin strokeMiterLimit angle opacity fill globalCompositeOperation shadow visible backgroundColor skewX skewY fillRule paintFirst clipPath strokeUniform".split(" "),cacheProperties:"fill stroke strokeWidth strokeDashArray width height paintFirst strokeUniform strokeLineCap strokeDashOffset strokeLineJoin strokeMiterLimit backgroundColor clipPath".split(" "),colorProperties:"fill stroke backgroundColor".split(" "),clipPath:void 0,inverted:!1,absolutePositioned:!1,initialize:function(t){t&&this.setOptions(t)},_createCacheCanvas:function(){this._cacheProperties={},this._cacheCanvas=e.util.createCanvasElement(),this._cacheContext=this._cacheCanvas.getContext("2d"),this._updateCacheCanvas(),this.dirty=!0},_limitCacheSize:function(t){var i=e.perfLimitSizeTotal,r=t.width,n=t.height,s=e.maxCacheSideLimit,o=e.minCacheSideLimit;if(r<=s&&n<=s&&r*n<=i)return r<o&&(t.width=o),n<o&&(t.height=o),t;var a=r/n,c=e.util.limitDimsByArea(a,i),h=e.util.capValue,l=h(o,c.x,s),u=h(o,c.y,s);return r>l&&(t.zoomX/=r/l,t.width=l,t.capped=!0),n>u&&(t.zoomY/=n/u,t.height=u,t.capped=!0),t},_getCacheCanvasDimensions:function(){var t=this.getTotalObjectScaling(),e=this._getTransformedDimensions(0,0),i=e.x*t.scaleX/this.scaleX,r=e.y*t.scaleY/this.scaleY;return{width:i+2,height:r+2,zoomX:t.scaleX,zoomY:t.scaleY,x:i,y:r}},_updateCacheCanvas:function(){var t=this.canvas;if(this.noScaleCache&&t&&t._currentTransform){var i=t._currentTransform.target,r=t._currentTransform.action;if(this===i&&r.slice&&"scale"===r.slice(0,5))return!1}var n,s,o=this._cacheCanvas,a=this._limitCacheSize(this._getCacheCanvasDimensions()),c=e.minCacheSideLimit,h=a.width,l=a.height,u=a.zoomX,f=a.zoomY,d=h!==this.cacheWidth||l!==this.cacheHeight,g=this.zoomX!==u||this.zoomY!==f,p=d||g,v=0,m=0,b=!1;if(d){var y=this._cacheCanvas.width,_=this._cacheCanvas.height,x=h>y||l>_;b=x||(h<.9*y||l<.9*_)&&y>c&&_>c,x&&!a.capped&&(h>c||l>c)&&(v=.1*h,m=.1*l)}return this instanceof e.Text&&this.path&&(p=!0,b=!0,v+=this.getHeightOfLine(0)*this.zoomX,m+=this.getHeightOfLine(0)*this.zoomY),!!p&&(b?(o.width=Math.ceil(h+v),o.height=Math.ceil(l+m)):(this._cacheContext.setTransform(1,0,0,1,0,0),this._cacheContext.clearRect(0,0,o.width,o.height)),n=a.x/2,s=a.y/2,this.cacheTranslationX=Math.round(o.width/2-n)+n,this.cacheTranslationY=Math.round(o.height/2-s)+s,this.cacheWidth=h,this.cacheHeight=l,this._cacheContext.translate(this.cacheTranslationX,this.cacheTranslationY),this._cacheContext.scale(u,f),this.zoomX=u,this.zoomY=f,!0)},setOptions:function(t){this._setOptions(t),this._initGradient(t.fill,"fill"),this._initGradient(t.stroke,"stroke"),this._initPattern(t.fill,"fill"),this._initPattern(t.stroke,"stroke")},transform:function(t){var e=this.group&&!this.group._transformDone||this.group&&this.canvas&&t===this.canvas.contextTop,i=this.calcTransformMatrix(!e);t.transform(i[0],i[1],i[2],i[3],i[4],i[5])},toObject:function(t){var i=e.Object.NUM_FRACTION_DIGITS,r={type:this.type,version:e.version,originX:this.originX,originY:this.originY,left:n(this.left,i),top:n(this.top,i),width:n(this.width,i),height:n(this.height,i),fill:this.fill&&this.fill.toObject?this.fill.toObject():this.fill,stroke:this.stroke&&this.stroke.toObject?this.stroke.toObject():this.stroke,strokeWidth:n(this.strokeWidth,i),strokeDashArray:this.strokeDashArray?this.strokeDashArray.concat():this.strokeDashArray,strokeLineCap:this.strokeLineCap,strokeDashOffset:this.strokeDashOffset,strokeLineJoin:this.strokeLineJoin,strokeUniform:this.strokeUniform,strokeMiterLimit:n(this.strokeMiterLimit,i),scaleX:n(this.scaleX,i),scaleY:n(this.scaleY,i),angle:n(this.angle,i),flipX:this.flipX,flipY:this.flipY,opacity:n(this.opacity,i),shadow:this.shadow&&this.shadow.toObject?this.shadow.toObject():this.shadow,visible:this.visible,backgroundColor:this.backgroundColor,fillRule:this.fillRule,paintFirst:this.paintFirst,globalCompositeOperation:this.globalCompositeOperation,skewX:n(this.skewX,i),skewY:n(this.skewY,i)};return this.clipPath&&!this.clipPath.excludeFromExport&&(r.clipPath=this.clipPath.toObject(t),r.clipPath.inverted=this.clipPath.inverted,r.clipPath.absolutePositioned=this.clipPath.absolutePositioned),e.util.populateWithProperties(this,r,t),this.includeDefaultValues||(r=this._removeDefaultValues(r)),r},toDatalessObject:function(t){return this.toObject(t)},_removeDefaultValues:function(t){var i=e.util.getKlass(t.type).prototype;return i.stateProperties.forEach(function(e){"left"!==e&&"top"!==e&&(t[e]===i[e]&&delete t[e],Array.isArray(t[e])&&Array.isArray(i[e])&&0===t[e].length&&0===i[e].length&&delete t[e])}),t},toString:function(){return"#<fabric."+s(this.type)+">"},getObjectScaling:function(){if(!this.group)return{scaleX:this.scaleX,scaleY:this.scaleY};var t=e.util.qrDecompose(this.calcTransformMatrix());return{scaleX:Math.abs(t.scaleX),scaleY:Math.abs(t.scaleY)}},getTotalObjectScaling:function(){var t=this.getObjectScaling(),e=t.scaleX,i=t.scaleY;if(this.canvas){var r=this.canvas.getZoom(),n=this.canvas.getRetinaScaling();e*=r*n,i*=r*n}return{scaleX:e,scaleY:i}},getObjectOpacity:function(){var t=this.opacity;return this.group&&(t*=this.group.getObjectOpacity()),t},_set:function(t,i){var r="scaleX"===t||"scaleY"===t,n=this[t]!==i,s=!1;return r&&(i=this._constrainScale(i)),"scaleX"===t&&i<0?(this.flipX=!this.flipX,i*=-1):"scaleY"===t&&i<0?(this.flipY=!this.flipY,i*=-1):"shadow"!==t||!i||i instanceof e.Shadow?"dirty"===t&&this.group&&this.group.set("dirty",i):i=new e.Shadow(i),this[t]=i,n&&(s=this.group&&this.group.isOnACache(),this.cacheProperties.indexOf(t)>-1?(this.dirty=!0,s&&this.group.set("dirty",!0)):s&&this.stateProperties.indexOf(t)>-1&&this.group.set("dirty",!0)),this},setOnGroup:function(){},getViewportTransform:function(){return this.canvas&&this.canvas.viewportTransform?this.canvas.viewportTransform:e.iMatrix.concat()},isNotVisible:function(){return 0===this.opacity||!this.width&&!this.height&&0===this.strokeWidth||!this.visible},render:function(t){this.isNotVisible()||this.canvas&&this.canvas.skipOffscreen&&!this.group&&!this.isOnScreen()||(t.save(),this._setupCompositeOperation(t),this.drawSelectionBackground(t),this.transform(t),this._setOpacity(t),this._setShadow(t,this),this.shouldCache()?(this.renderCache(),this.drawCacheOnCanvas(t)):(this._removeCacheCanvas(),this.dirty=!1,this.drawObject(t),this.objectCaching&&this.statefullCache&&this.saveState({propertySet:"cacheProperties"})),t.restore())},renderCache:function(t){t=t||{},this._cacheCanvas&&this._cacheContext||this._createCacheCanvas(),this.isCacheDirty()&&(this.statefullCache&&this.saveState({propertySet:"cacheProperties"}),this.drawObject(this._cacheContext,t.forClipping),this.dirty=!1)},_removeCacheCanvas:function(){this._cacheCanvas=null,this._cacheContext=null,this.cacheWidth=0,this.cacheHeight=0},hasStroke:function(){return this.stroke&&"transparent"!==this.stroke&&0!==this.strokeWidth},hasFill:function(){return this.fill&&"transparent"!==this.fill},needsItsOwnCache:function(){return!("stroke"!==this.paintFirst||!this.hasFill()||!this.hasStroke()||"object"!=typeof this.shadow)||!!this.clipPath},shouldCache:function(){return this.ownCaching=this.needsItsOwnCache()||this.objectCaching&&(!this.group||!this.group.isOnACache()),this.ownCaching},willDrawShadow:function(){return!!this.shadow&&(0!==this.shadow.offsetX||0!==this.shadow.offsetY)},drawClipPathOnCache:function(t,i){if(t.save(),i.inverted?t.globalCompositeOperation="destination-out":t.globalCompositeOperation="destination-in",i.absolutePositioned){var r=e.util.invertTransform(this.calcTransformMatrix());t.transform(r[0],r[1],r[2],r[3],r[4],r[5])}i.transform(t),t.scale(1/i.zoomX,1/i.zoomY),t.drawImage(i._cacheCanvas,-i.cacheTranslationX,-i.cacheTranslationY),t.restore()},drawObject:function(t,e){var i=this.fill,r=this.stroke;e?(this.fill="black",this.stroke="",this._setClippingProperties(t)):this._renderBackground(t),this._render(t),this._drawClipPath(t,this.clipPath),this.fill=i,this.stroke=r},_drawClipPath:function(t,e){e&&(e.canvas=this.canvas,e.shouldCache(),e._transformDone=!0,e.renderCache({forClipping:!0}),this.drawClipPathOnCache(t,e))},drawCacheOnCanvas:function(t){t.scale(1/this.zoomX,1/this.zoomY),t.drawImage(this._cacheCanvas,-this.cacheTranslationX,-this.cacheTranslationY)},isCacheDirty:function(t){if(this.isNotVisible())return!1;if(this._cacheCanvas&&this._cacheContext&&!t&&this._updateCacheCanvas())return!0;if(this.dirty||this.clipPath&&this.clipPath.absolutePositioned||this.statefullCache&&this.hasStateChanged("cacheProperties")){if(this._cacheCanvas&&this._cacheContext&&!t){var e=this.cacheWidth/this.zoomX,i=this.cacheHeight/this.zoomY;this._cacheContext.clearRect(-e/2,-i/2,e,i)}return!0}return!1},_renderBackground:function(t){if(this.backgroundColor){var e=this._getNonTransformedDimensions();t.fillStyle=this.backgroundColor,t.fillRect(-e.x/2,-e.y/2,e.x,e.y),this._removeShadow(t)}},_setOpacity:function(t){this.group&&!this.group._transformDone?t.globalAlpha=this.getObjectOpacity():t.globalAlpha*=this.opacity},_setStrokeStyles:function(t,e){var i=e.stroke;i&&(t.lineWidth=e.strokeWidth,t.lineCap=e.strokeLineCap,t.lineDashOffset=e.strokeDashOffset,t.lineJoin=e.strokeLineJoin,t.miterLimit=e.strokeMiterLimit,i.toLive?"percentage"===i.gradientUnits||i.gradientTransform||i.patternTransform?this._applyPatternForTransformedGradient(t,i):(t.strokeStyle=i.toLive(t,this),this._applyPatternGradientTransform(t,i)):t.strokeStyle=e.stroke)},_setFillStyles:function(t,e){var i=e.fill;i&&(i.toLive?(t.fillStyle=i.toLive(t,this),this._applyPatternGradientTransform(t,e.fill)):t.fillStyle=i)},_setClippingProperties:function(t){t.globalAlpha=1,t.strokeStyle="transparent",t.fillStyle="#000000"},_setLineDash:function(t,e){e&&0!==e.length&&(1&e.length&&e.push.apply(e,e),t.setLineDash(e))},_renderControls:function(t,i){var r,n,s,a=this.getViewportTransform(),c=this.calcTransformMatrix();n=void 0!==(i=i||{}).hasBorders?i.hasBorders:this.hasBorders,s=void 0!==i.hasControls?i.hasControls:this.hasControls,c=e.util.multiplyTransformMatrices(a,c),r=e.util.qrDecompose(c),t.save(),t.translate(r.translateX,r.translateY),t.lineWidth=1*this.borderScaleFactor,this.group||(t.globalAlpha=this.isMoving?this.borderOpacityWhenMoving:1),this.flipX&&(r.angle-=180),t.rotate(o(this.group?r.angle:this.angle)),i.forActiveSelection||this.group?n&&this.drawBordersInGroup(t,r,i):n&&this.drawBorders(t,i),s&&this.drawControls(t,i),t.restore()},_setShadow:function(t){if(this.shadow){var i,r=this.shadow,n=this.canvas,s=n&&n.viewportTransform[0]||1,o=n&&n.viewportTransform[3]||1;i=r.nonScaling?{scaleX:1,scaleY:1}:this.getObjectScaling(),n&&n._isRetinaScaling()&&(s*=e.devicePixelRatio,o*=e.devicePixelRatio),t.shadowColor=r.color,t.shadowBlur=r.blur*e.browserShadowBlurConstant*(s+o)*(i.scaleX+i.scaleY)/4,t.shadowOffsetX=r.offsetX*s*i.scaleX,t.shadowOffsetY=r.offsetY*o*i.scaleY}},_removeShadow:function(t){this.shadow&&(t.shadowColor="",t.shadowBlur=t.shadowOffsetX=t.shadowOffsetY=0)},_applyPatternGradientTransform:function(t,e){if(!e||!e.toLive)return{offsetX:0,offsetY:0};var i=e.gradientTransform||e.patternTransform,r=-this.width/2+e.offsetX||0,n=-this.height/2+e.offsetY||0;return"percentage"===e.gradientUnits?t.transform(this.width,0,0,this.height,r,n):t.transform(1,0,0,1,r,n),i&&t.transform(i[0],i[1],i[2],i[3],i[4],i[5]),{offsetX:r,offsetY:n}},_renderPaintInOrder:function(t){"stroke"===this.paintFirst?(this._renderStroke(t),this._renderFill(t)):(this._renderFill(t),this._renderStroke(t))},_render:function(){},_renderFill:function(t){this.fill&&(t.save(),this._setFillStyles(t,this),"evenodd"===this.fillRule?t.fill("evenodd"):t.fill(),t.restore())},_renderStroke:function(t){if(this.stroke&&0!==this.strokeWidth){if(this.shadow&&!this.shadow.affectStroke&&this._removeShadow(t),t.save(),this.strokeUniform&&this.group){var e=this.getObjectScaling();t.scale(1/e.scaleX,1/e.scaleY)}else this.strokeUniform&&t.scale(1/this.scaleX,1/this.scaleY);this._setLineDash(t,this.strokeDashArray),this._setStrokeStyles(t,this),t.stroke(),t.restore()}},_applyPatternForTransformedGradient:function(t,i){var r,n=this._limitCacheSize(this._getCacheCanvasDimensions()),s=e.util.createCanvasElement(),o=this.canvas.getRetinaScaling(),a=n.x/this.scaleX/o,c=n.y/this.scaleY/o;s.width=a,s.height=c,(r=s.getContext("2d")).beginPath(),r.moveTo(0,0),r.lineTo(a,0),r.lineTo(a,c),r.lineTo(0,c),r.closePath(),r.translate(a/2,c/2),r.scale(n.zoomX/this.scaleX/o,n.zoomY/this.scaleY/o),this._applyPatternGradientTransform(r,i),r.fillStyle=i.toLive(t),r.fill(),t.translate(-this.width/2-this.strokeWidth/2,-this.height/2-this.strokeWidth/2),t.scale(o*this.scaleX/n.zoomX,o*this.scaleY/n.zoomY),t.strokeStyle=r.createPattern(s,"no-repeat")},_findCenterFromElement:function(){return{x:this.left+this.width/2,y:this.top+this.height/2}},_assignTransformMatrixProps:function(){if(this.transformMatrix){var t=e.util.qrDecompose(this.transformMatrix);this.flipX=!1,this.flipY=!1,this.set("scaleX",t.scaleX),this.set("scaleY",t.scaleY),this.angle=t.angle,this.skewX=t.skewX,this.skewY=0}},_removeTransformMatrix:function(t){var i=this._findCenterFromElement();this.transformMatrix&&(this._assignTransformMatrixProps(),i=e.util.transformPoint(i,this.transformMatrix)),this.transformMatrix=null,t&&(this.scaleX*=t.scaleX,this.scaleY*=t.scaleY,this.cropX=t.cropX,this.cropY=t.cropY,i.x+=t.offsetLeft,i.y+=t.offsetTop,this.width=t.width,this.height=t.height),this.setPositionByOrigin(i,"center","center")},clone:function(t,i){var r=this.toObject(i);this.constructor.fromObject?this.constructor.fromObject(r,t):e.Object._fromObject("Object",r,t)},cloneAsImage:function(t,i){var r=this.toCanvasElement(i);return t&&t(new e.Image(r)),this},toCanvasElement:function(t){t||(t={});var i=e.util,r=i.saveObjectTransform(this),n=this.group,s=this.shadow,o=Math.abs,a=(t.multiplier||1)*(t.enableRetinaScaling?e.devicePixelRatio:1);delete this.group,t.withoutTransform&&i.resetObjectTransform(this),t.withoutShadow&&(this.shadow=null);var c,h,l,u,f=e.util.createCanvasElement(),d=this.getBoundingRect(!0,!0),g=this.shadow,p={x:0,y:0};g&&(h=g.blur,c=g.nonScaling?{scaleX:1,scaleY:1}:this.getObjectScaling(),p.x=2*Math.round(o(g.offsetX)+h)*o(c.scaleX),p.y=2*Math.round(o(g.offsetY)+h)*o(c.scaleY)),l=d.width+p.x,u=d.height+p.y,f.width=Math.ceil(l),f.height=Math.ceil(u);var v=new e.StaticCanvas(f,{enableRetinaScaling:!1,renderOnAddRemove:!1,skipOffscreen:!1});"jpeg"===t.format&&(v.backgroundColor="#fff"),this.setPositionByOrigin(new e.Point(v.width/2,v.height/2),"center","center");var m=this.canvas;v.add(this);var b=v.toCanvasElement(a||1,t);return this.shadow=s,this.set("canvas",m),n&&(this.group=n),this.set(r).setCoords(),v._objects=[],v.dispose(),v=null,b},toDataURL:function(t){return t||(t={}),e.util.toDataURL(this.toCanvasElement(t),t.format||"png",t.quality||1)},isType:function(t){return arguments.length>1?Array.from(arguments).includes(this.type):this.type===t},complexity:function(){return 1},toJSON:function(t){return this.toObject(t)},rotate:function(t){var e=("center"!==this.originX||"center"!==this.originY)&&this.centeredRotation;return e&&this._setOriginToCenter(),this.set("angle",t),e&&this._resetOrigin(),this},centerH:function(){return this.canvas&&this.canvas.centerObjectH(this),this},viewportCenterH:function(){return this.canvas&&this.canvas.viewportCenterObjectH(this),this},centerV:function(){return this.canvas&&this.canvas.centerObjectV(this),this},viewportCenterV:function(){return this.canvas&&this.canvas.viewportCenterObjectV(this),this},center:function(){return this.canvas&&this.canvas.centerObject(this),this},viewportCenter:function(){return this.canvas&&this.canvas.viewportCenterObject(this),this},getLocalPointer:function(t,i){i=i||this.canvas.getPointer(t);var r=new e.Point(i.x,i.y),n=this._getLeftTopCoords();return this.angle&&(r=e.util.rotatePoint(r,n,o(-this.angle))),{x:r.x-n.x,y:r.y-n.y}},_setupCompositeOperation:function(t){this.globalCompositeOperation&&(t.globalCompositeOperation=this.globalCompositeOperation)},dispose:function(){e.runningAnimations&&e.runningAnimations.cancelByTarget(this)}}),e.util.createAccessors&&e.util.createAccessors(e.Object),i(e.Object.prototype,e.Observable),e.Object.NUM_FRACTION_DIGITS=2,e.Object.ENLIVEN_PROPS=["clipPath"],e.Object._fromObject=function(t,i,n,s){var o=e[t];i=r(i,!0),e.util.enlivenPatterns([i.fill,i.stroke],function(t){void 0!==t[0]&&(i.fill=t[0]),void 0!==t[1]&&(i.stroke=t[1]),e.util.enlivenObjectEnlivables(i,i,function(){var t=s?new o(i[s],i):new o(i);n&&n(t)})})},e.Object.__uid=0)}("undefined"!=typeof exports?exports:this),function(){var t=fabric.util.degreesToRadians,e={left:-.5,center:0,right:.5},i={top:-.5,center:0,bottom:.5};fabric.util.object.extend(fabric.Object.prototype,{translateToGivenOrigin:function(t,r,n,s,o){var a,c,h,l=t.x,u=t.y;return"string"==typeof r?r=e[r]:r-=.5,"string"==typeof s?s=e[s]:s-=.5,"string"==typeof n?n=i[n]:n-=.5,"string"==typeof o?o=i[o]:o-=.5,c=o-n,((a=s-r)||c)&&(h=this._getTransformedDimensions(),l=t.x+a*h.x,u=t.y+c*h.y),new fabric.Point(l,u)},translateToCenterPoint:function(e,i,r){var n=this.translateToGivenOrigin(e,i,r,"center","center");return this.angle?fabric.util.rotatePoint(n,e,t(this.angle)):n},translateToOriginPoint:function(e,i,r){var n=this.translateToGivenOrigin(e,"center","center",i,r);return this.angle?fabric.util.rotatePoint(n,e,t(this.angle)):n},getCenterPoint:function(){var t=new fabric.Point(this.left,this.top);return this.translateToCenterPoint(t,this.originX,this.originY)},getPointByOrigin:function(t,e){var i=this.getCenterPoint();return this.translateToOriginPoint(i,t,e)},toLocalPoint:function(e,i,r){var n,s,o=this.getCenterPoint();return n=void 0!==i&&void 0!==r?this.translateToGivenOrigin(o,"center","center",i,r):new fabric.Point(this.left,this.top),s=new fabric.Point(e.x,e.y),this.angle&&(s=fabric.util.rotatePoint(s,o,-t(this.angle))),s.subtractEquals(n)},setPositionByOrigin:function(t,e,i){var r=this.translateToCenterPoint(t,e,i),n=this.translateToOriginPoint(r,this.originX,this.originY);this.set("left",n.x),this.set("top",n.y)},adjustPosition:function(i){var r,n,s=t(this.angle),o=this.getScaledWidth(),a=fabric.util.cos(s)*o,c=fabric.util.sin(s)*o;r="string"==typeof this.originX?e[this.originX]:this.originX-.5,n="string"==typeof i?e[i]:i-.5,this.left+=a*(n-r),this.top+=c*(n-r),this.setCoords(),this.originX=i},_setOriginToCenter:function(){this._originalOriginX=this.originX,this._originalOriginY=this.originY;var t=this.getCenterPoint();this.originX="center",this.originY="center",this.left=t.x,this.top=t.y},_resetOrigin:function(){var t=this.translateToOriginPoint(this.getCenterPoint(),this._originalOriginX,this._originalOriginY);this.originX=this._originalOriginX,this.originY=this._originalOriginY,this.left=t.x,this.top=t.y,this._originalOriginX=null,this._originalOriginY=null},_getLeftTopCoords:function(){return this.translateToOriginPoint(this.getCenterPoint(),"left","top")}})}(),function(){var t=fabric.util,e=t.degreesToRadians,i=t.multiplyTransformMatrices,r=t.transformPoint;t.object.extend(fabric.Object.prototype,{oCoords:null,aCoords:null,lineCoords:null,ownMatrixCache:null,matrixCache:null,controls:{},_getCoords:function(t,e){return e?t?this.calcACoords():this.calcLineCoords():(this.aCoords&&this.lineCoords||this.setCoords(!0),t?this.aCoords:this.lineCoords)},getCoords:function(t,e){return i=this._getCoords(t,e),[new fabric.Point(i.tl.x,i.tl.y),new fabric.Point(i.tr.x,i.tr.y),new fabric.Point(i.br.x,i.br.y),new fabric.Point(i.bl.x,i.bl.y)];var i},intersectsWithRect:function(t,e,i,r){var n=this.getCoords(i,r);return"Intersection"===fabric.Intersection.intersectPolygonRectangle(n,t,e).status},intersectsWithObject:function(t,e,i){return"Intersection"===fabric.Intersection.intersectPolygonPolygon(this.getCoords(e,i),t.getCoords(e,i)).status||t.isContainedWithinObject(this,e,i)||this.isContainedWithinObject(t,e,i)},isContainedWithinObject:function(t,e,i){for(var r=this.getCoords(e,i),n=e?t.aCoords:t.lineCoords,s=0,o=t._getImageLines(n);s<4;s++)if(!t.containsPoint(r[s],o))return!1;return!0},isContainedWithinRect:function(t,e,i,r){var n=this.getBoundingRect(i,r);return n.left>=t.x&&n.left+n.width<=e.x&&n.top>=t.y&&n.top+n.height<=e.y},containsPoint:function(t,e,i,r){var n=this._getCoords(i,r),s=(e=e||this._getImageLines(n),this._findCrossPoints(t,e));return 0!==s&&s%2==1},isOnScreen:function(t){if(!this.canvas)return!1;var e=this.canvas.vptCoords.tl,i=this.canvas.vptCoords.br;return!!this.getCoords(!0,t).some(function(t){return t.x<=i.x&&t.x>=e.x&&t.y<=i.y&&t.y>=e.y})||(!!this.intersectsWithRect(e,i,!0,t)||this._containsCenterOfCanvas(e,i,t))},_containsCenterOfCanvas:function(t,e,i){var r={x:(t.x+e.x)/2,y:(t.y+e.y)/2};return!!this.containsPoint(r,null,!0,i)},isPartiallyOnScreen:function(t){if(!this.canvas)return!1;var e=this.canvas.vptCoords.tl,i=this.canvas.vptCoords.br;return!!this.intersectsWithRect(e,i,!0,t)||this.getCoords(!0,t).every(function(t){return(t.x>=i.x||t.x<=e.x)&&(t.y>=i.y||t.y<=e.y)})&&this._containsCenterOfCanvas(e,i,t)},_getImageLines:function(t){return{topline:{o:t.tl,d:t.tr},rightline:{o:t.tr,d:t.br},bottomline:{o:t.br,d:t.bl},leftline:{o:t.bl,d:t.tl}}},_findCrossPoints:function(t,e){var i,r,n,s=0;for(var o in e)if(!((n=e[o]).o.y<t.y&&n.d.y<t.y||n.o.y>=t.y&&n.d.y>=t.y||(n.o.x===n.d.x&&n.o.x>=t.x?r=n.o.x:(0,i=(n.d.y-n.o.y)/(n.d.x-n.o.x),r=-(t.y-0*t.x-(n.o.y-i*n.o.x))/(0-i)),r>=t.x&&(s+=1),2!==s)))break;return s},getBoundingRect:function(e,i){var r=this.getCoords(e,i);return t.makeBoundingBoxFromPoints(r)},getScaledWidth:function(){return this._getTransformedDimensions().x},getScaledHeight:function(){return this._getTransformedDimensions().y},_constrainScale:function(t){return Math.abs(t)<this.minScaleLimit?t<0?-this.minScaleLimit:this.minScaleLimit:0===t?1e-4:t},scale:function(t){return this._set("scaleX",t),this._set("scaleY",t),this.setCoords()},scaleToWidth:function(t,e){var i=this.getBoundingRect(e).width/this.getScaledWidth();return this.scale(t/this.width/i)},scaleToHeight:function(t,e){var i=this.getBoundingRect(e).height/this.getScaledHeight();return this.scale(t/this.height/i)},calcLineCoords:function(){var i=this.getViewportTransform(),n=this.padding,s=e(this.angle),o=t.cos(s)*n,a=t.sin(s)*n,c=o+a,h=o-a,l=this.calcACoords(),u={tl:r(l.tl,i),tr:r(l.tr,i),bl:r(l.bl,i),br:r(l.br,i)};return n&&(u.tl.x-=h,u.tl.y-=c,u.tr.x+=c,u.tr.y-=h,u.bl.x-=c,u.bl.y+=h,u.br.x+=h,u.br.y+=c),u},calcOCoords:function(){var t=this._calcRotateMatrix(),e=this._calcTranslateMatrix(),r=this.getViewportTransform(),n=i(r,e),s=i(n,t),o=(s=i(s,[1/r[0],0,0,1/r[3],0,0]),this._calculateCurrentDimensions()),a={};return this.forEachControl(function(t,e,i){a[e]=t.positionHandler(o,s,i)}),a},calcACoords:function(){var t=this._calcRotateMatrix(),e=this._calcTranslateMatrix(),n=i(e,t),s=this._getTransformedDimensions(),o=s.x/2,a=s.y/2;return{tl:r({x:-o,y:-a},n),tr:r({x:o,y:-a},n),bl:r({x:-o,y:a},n),br:r({x:o,y:a},n)}},setCoords:function(t){return this.aCoords=this.calcACoords(),this.lineCoords=this.group?this.aCoords:this.calcLineCoords(),t?this:(this.oCoords=this.calcOCoords(),this._setCornerCoords&&this._setCornerCoords(),this)},_calcRotateMatrix:function(){return t.calcRotateMatrix(this)},_calcTranslateMatrix:function(){var t=this.getCenterPoint();return[1,0,0,1,t.x,t.y]},transformMatrixKey:function(t){var e="";return!t&&this.group&&(e=this.group.transformMatrixKey(t)+"_"),e+this.top+"_"+this.left+"_"+this.scaleX+"_"+this.scaleY+"_"+this.skewX+"_"+this.skewY+"_"+this.angle+"_"+this.originX+"_"+this.originY+"_"+this.width+"_"+this.height+"_"+this.strokeWidth+this.flipX+this.flipY},calcTransformMatrix:function(t){var e=this.calcOwnMatrix();if(t||!this.group)return e;var r=this.transformMatrixKey(t),n=this.matrixCache||(this.matrixCache={});return n.key===r?n.value:(this.group&&(e=i(this.group.calcTransformMatrix(!1),e)),n.key=r,n.value=e,e)},calcOwnMatrix:function(){var e=this.transformMatrixKey(!0),i=this.ownMatrixCache||(this.ownMatrixCache={});if(i.key===e)return i.value;var r=this._calcTranslateMatrix(),n={angle:this.angle,translateX:r[4],translateY:r[5],scaleX:this.scaleX,scaleY:this.scaleY,skewX:this.skewX,skewY:this.skewY,flipX:this.flipX,flipY:this.flipY};return i.key=e,i.value=t.composeMatrix(n),i.value},_getNonTransformedDimensions:function(){var t=this.strokeWidth;return{x:this.width+t,y:this.height+t}},_getTransformedDimensions:function(e,i){void 0===e&&(e=this.skewX),void 0===i&&(i=this.skewY);var r,n,s,o=0===e&&0===i;if(this.strokeUniform?(n=this.width,s=this.height):(n=(r=this._getNonTransformedDimensions()).x,s=r.y),o)return this._finalizeDimensions(n*this.scaleX,s*this.scaleY);var a=t.sizeAfterTransform(n,s,{scaleX:this.scaleX,scaleY:this.scaleY,skewX:e,skewY:i});return this._finalizeDimensions(a.x,a.y)},_finalizeDimensions:function(t,e){return this.strokeUniform?{x:t+this.strokeWidth,y:e+this.strokeWidth}:{x:t,y:e}},_calculateCurrentDimensions:function(){var t=this.getViewportTransform(),e=this._getTransformedDimensions();return r(e,t,!0).scalarAdd(2*this.padding)}})}(),fabric.util.object.extend(fabric.Object.prototype,{sendToBack:function(){return this.group?fabric.StaticCanvas.prototype.sendToBack.call(this.group,this):this.canvas&&this.canvas.sendToBack(this),this},bringToFront:function(){return this.group?fabric.StaticCanvas.prototype.bringToFront.call(this.group,this):this.canvas&&this.canvas.bringToFront(this),this},sendBackwards:function(t){return this.group?fabric.StaticCanvas.prototype.sendBackwards.call(this.group,this,t):this.canvas&&this.canvas.sendBackwards(this,t),this},bringForward:function(t){return this.group?fabric.StaticCanvas.prototype.bringForward.call(this.group,this,t):this.canvas&&this.canvas.bringForward(this,t),this},moveTo:function(t){return this.group&&"activeSelection"!==this.group.type?fabric.StaticCanvas.prototype.moveTo.call(this.group,this,t):this.canvas&&this.canvas.moveTo(this,t),this}}),function(){function t(t,e){if(e){if(e.toLive)return t+": url(#SVGID_"+e.id+"); ";var i=new fabric.Color(e),r=t+": "+i.toRgb()+"; ",n=i.getAlpha();return 1!==n&&(r+=t+"-opacity: "+n.toString()+"; "),r}return t+": none; "}var e=fabric.util.toFixed;fabric.util.object.extend(fabric.Object.prototype,{getSvgStyles:function(e){var i=this.fillRule?this.fillRule:"nonzero",r=this.strokeWidth?this.strokeWidth:"0",n=this.strokeDashArray?this.strokeDashArray.join(" "):"none",s=this.strokeDashOffset?this.strokeDashOffset:"0",o=this.strokeLineCap?this.strokeLineCap:"butt",a=this.strokeLineJoin?this.strokeLineJoin:"miter",c=this.strokeMiterLimit?this.strokeMiterLimit:"4",h=void 0!==this.opacity?this.opacity:"1",l=this.visible?"":" visibility: hidden;",u=e?"":this.getSvgFilter(),f=t("fill",this.fill);return[t("stroke",this.stroke),"stroke-width: ",r,"; ","stroke-dasharray: ",n,"; ","stroke-linecap: ",o,"; ","stroke-dashoffset: ",s,"; ","stroke-linejoin: ",a,"; ","stroke-miterlimit: ",c,"; ",f,"fill-rule: ",i,"; ","opacity: ",h,";",u,l].join("")},getSvgSpanStyles:function(e,i){var r=e.fontFamily?"font-family: "+(-1===e.fontFamily.indexOf("'")&&-1===e.fontFamily.indexOf('"')?"'"+e.fontFamily+"'":e.fontFamily)+"; ":"",n=e.strokeWidth?"stroke-width: "+e.strokeWidth+"; ":"",s=(r=r,e.fontSize?"font-size: "+e.fontSize+"px; ":""),o=e.fontStyle?"font-style: "+e.fontStyle+"; ":"",a=e.fontWeight?"font-weight: "+e.fontWeight+"; ":"",c=e.fill?t("fill",e.fill):"",h=e.stroke?t("stroke",e.stroke):"",l=this.getSvgTextDecoration(e);return l&&(l="text-decoration: "+l+"; "),[h,n,r,s,o,a,l,c,e.deltaY?"baseline-shift: "+-e.deltaY+"; ":"",i?"white-space: pre; ":""].join("")},getSvgTextDecoration:function(t){return["overline","underline","line-through"].filter(function(e){return t[e.replace("-","")]}).join(" ")},getSvgFilter:function(){return this.shadow?"filter: url(#SVGID_"+this.shadow.id+");":""},getSvgCommons:function(){return[this.id?'id="'+this.id+'" ':"",this.clipPath?'clip-path="url(#'+this.clipPath.clipPathId+')" ':""].join("")},getSvgTransform:function(t,e){var i=t?this.calcTransformMatrix():this.calcOwnMatrix();return'transform="'+fabric.util.matrixToSVG(i)+(e||"")+'" '},_setSVGBg:function(t){if(this.backgroundColor){var i=fabric.Object.NUM_FRACTION_DIGITS;t.push("\t\t<rect ",this._getFillAttributes(this.backgroundColor),' x="',e(-this.width/2,i),'" y="',e(-this.height/2,i),'" width="',e(this.width,i),'" height="',e(this.height,i),'"></rect>\n')}},toSVG:function(t){return this._createBaseSVGMarkup(this._toSVG(t),{reviver:t})},toClipPathSVG:function(t){return"\t"+this._createBaseClipPathSVGMarkup(this._toSVG(t),{reviver:t})},_createBaseClipPathSVGMarkup:function(t,e){var i=(e=e||{}).reviver,r=e.additionalTransform||"",n=[this.getSvgTransform(!0,r),this.getSvgCommons()].join("");return t[t.indexOf("COMMON_PARTS")]=n,i?i(t.join("")):t.join("")},_createBaseSVGMarkup:function(t,e){var i,r,n=(e=e||{}).noStyle,s=e.reviver,o=n?"":'style="'+this.getSvgStyles()+'" ',a=e.withShadow?'style="'+this.getSvgFilter()+'" ':"",c=this.clipPath,h=this.strokeUniform?'vector-effect="non-scaling-stroke" ':"",l=c&&c.absolutePositioned,u=this.stroke,f=this.fill,d=this.shadow,g=[],p=t.indexOf("COMMON_PARTS"),v=e.additionalTransform;return c&&(c.clipPathId="CLIPPATH_"+fabric.Object.__uid++,r='<clipPath id="'+c.clipPathId+'" >\n'+c.toClipPathSVG(s)+"</clipPath>\n"),l&&g.push("<g ",a,this.getSvgCommons()," >\n"),g.push("<g ",this.getSvgTransform(!1),l?"":a+this.getSvgCommons()," >\n"),i=[o,h,n?"":this.addPaintOrder()," ",v?'transform="'+v+'" ':""].join(""),t[p]=i,f&&f.toLive&&g.push(f.toSVG(this)),u&&u.toLive&&g.push(u.toSVG(this)),d&&g.push(d.toSVG(this)),c&&g.push(r),g.push(t.join("")),g.push("</g>\n"),l&&g.push("</g>\n"),s?s(g.join("")):g.join("")},addPaintOrder:function(){return"fill"!==this.paintFirst?' paint-order="'+this.paintFirst+'" ':""}})}(),function(){var t=fabric.util.object.extend;function e(e,i,r){var n={};r.forEach(function(t){n[t]=e[t]}),t(e[i],n,!0)}fabric.util.object.extend(fabric.Object.prototype,{hasStateChanged:function(t){var e="_"+(t=t||"stateProperties");return Object.keys(this[e]).length<this[t].length||!function t(e,i,r){if(e===i)return!0;if(Array.isArray(e)){if(!Array.isArray(i)||e.length!==i.length)return!1;for(var n=0,s=e.length;n<s;n++)if(!t(e[n],i[n]))return!1;return!0}if(e&&"object"==typeof e){var o,a=Object.keys(e);if(!i||"object"!=typeof i||!r&&a.length!==Object.keys(i).length)return!1;for(n=0,s=a.length;n<s;n++)if("canvas"!==(o=a[n])&&"group"!==o&&!t(e[o],i[o]))return!1;return!0}}(this[e],this,!0)},saveState:function(t){var i=t&&t.propertySet||"stateProperties",r="_"+i;return this[r]?(e(this,r,this[i]),t&&t.stateProperties&&e(this,r,t.stateProperties),this):this.setupState(t)},setupState:function(t){var e=(t=t||{}).propertySet||"stateProperties";return t.propertySet=e,this["_"+e]={},this.saveState(t),this}})}(),function(){var t=fabric.util.degreesToRadians;fabric.util.object.extend(fabric.Object.prototype,{_findTargetCorner:function(t,e){if(!this.hasControls||this.group||!this.canvas||this.canvas._activeObject!==this)return!1;var i,r,n,s=t.x,o=t.y,a=Object.keys(this.oCoords),c=a.length-1;for(this.__corner=0;c>=0;c--)if(n=a[c],this.isControlVisible(n)&&(r=this._getImageLines(e?this.oCoords[n].touchCorner:this.oCoords[n].corner),0!==(i=this._findCrossPoints({x:s,y:o},r))&&i%2==1))return this.__corner=n,n;return!1},forEachControl:function(t){for(var e in this.controls)t(this.controls[e],e,this)},_setCornerCoords:function(){var t=this.oCoords;for(var e in t){var i=this.controls[e];t[e].corner=i.calcCornerCoords(this.angle,this.cornerSize,t[e].x,t[e].y,!1),t[e].touchCorner=i.calcCornerCoords(this.angle,this.touchCornerSize,t[e].x,t[e].y,!0)}},drawSelectionBackground:function(e){if(!this.selectionBackgroundColor||this.canvas&&!this.canvas.interactive||this.canvas&&this.canvas._activeObject!==this)return this;e.save();var i=this.getCenterPoint(),r=this._calculateCurrentDimensions(),n=this.canvas.viewportTransform;return e.translate(i.x,i.y),e.scale(1/n[0],1/n[3]),e.rotate(t(this.angle)),e.fillStyle=this.selectionBackgroundColor,e.fillRect(-r.x/2,-r.y/2,r.x,r.y),e.restore(),this},drawBorders:function(t,e){e=e||{};var i=this._calculateCurrentDimensions(),r=this.borderScaleFactor,n=i.x+r,s=i.y+r,o=void 0!==e.hasControls?e.hasControls:this.hasControls,a=!1;return t.save(),t.strokeStyle=e.borderColor||this.borderColor,this._setLineDash(t,e.borderDashArray||this.borderDashArray),t.strokeRect(-n/2,-s/2,n,s),o&&(t.beginPath(),this.forEachControl(function(e,i,r){e.withConnection&&e.getVisibility(r,i)&&(a=!0,t.moveTo(e.x*n,e.y*s),t.lineTo(e.x*n+e.offsetX,e.y*s+e.offsetY))}),a&&t.stroke()),t.restore(),this},drawBordersInGroup:function(t,e,i){i=i||{};var r=fabric.util.sizeAfterTransform(this.width,this.height,e),n=this.strokeWidth,s=this.strokeUniform,o=this.borderScaleFactor,a=r.x+n*(s?this.canvas.getZoom():e.scaleX)+o,c=r.y+n*(s?this.canvas.getZoom():e.scaleY)+o;return t.save(),this._setLineDash(t,i.borderDashArray||this.borderDashArray),t.strokeStyle=i.borderColor||this.borderColor,t.strokeRect(-a/2,-c/2,a,c),t.restore(),this},drawControls:function(t,e){e=e||{},t.save();var i,r,n=this.canvas.getRetinaScaling();return t.setTransform(n,0,0,n,0,0),t.strokeStyle=t.fillStyle=e.cornerColor||this.cornerColor,this.transparentCorners||(t.strokeStyle=e.cornerStrokeColor||this.cornerStrokeColor),this._setLineDash(t,e.cornerDashArray||this.cornerDashArray),this.setCoords(),this.group&&(i=this.group.calcTransformMatrix()),this.forEachControl(function(n,s,o){r=o.oCoords[s],n.getVisibility(o,s)&&(i&&(r=fabric.util.transformPoint(r,i)),n.render(t,r.x,r.y,e,o))}),t.restore(),this},isControlVisible:function(t){return this.controls[t]&&this.controls[t].getVisibility(this,t)},setControlVisible:function(t,e){return this._controlsVisibility||(this._controlsVisibility={}),this._controlsVisibility[t]=e,this},setControlsVisibility:function(t){for(var e in t||(t={}),t)this.setControlVisible(e,t[e]);return this},onDeselect:function(){},onSelect:function(){}})}(),fabric.util.object.extend(fabric.StaticCanvas.prototype,{FX_DURATION:500,fxCenterObjectH:function(t,e){var i=function(){},r=(e=e||{}).onComplete||i,n=e.onChange||i,s=this;return fabric.util.animate({target:this,startValue:t.left,endValue:this.getCenterPoint().x,duration:this.FX_DURATION,onChange:function(e){t.set("left",e),s.requestRenderAll(),n()},onComplete:function(){t.setCoords(),r()}})},fxCenterObjectV:function(t,e){var i=function(){},r=(e=e||{}).onComplete||i,n=e.onChange||i,s=this;return fabric.util.animate({target:this,startValue:t.top,endValue:this.getCenterPoint().y,duration:this.FX_DURATION,onChange:function(e){t.set("top",e),s.requestRenderAll(),n()},onComplete:function(){t.setCoords(),r()}})},fxRemove:function(t,e){var i=function(){},r=(e=e||{}).onComplete||i,n=e.onChange||i,s=this;return fabric.util.animate({target:this,startValue:t.opacity,endValue:0,duration:this.FX_DURATION,onChange:function(e){t.set("opacity",e),s.requestRenderAll(),n()},onComplete:function(){s.remove(t),r()}})}}),fabric.util.object.extend(fabric.Object.prototype,{animate:function(){if(arguments[0]&&"object"==typeof arguments[0]){var t,e,i=[],r=[];for(t in arguments[0])i.push(t);for(var n=0,s=i.length;n<s;n++)t=i[n],e=n!==s-1,r.push(this._animate(t,arguments[0][t],arguments[1],e));return r}return this._animate.apply(this,arguments)},_animate:function(t,e,i,r){var n,s=this;e=e.toString(),i=i?fabric.util.object.clone(i):{},~t.indexOf(".")&&(n=t.split("."));var o=s.colorProperties.indexOf(t)>-1||n&&s.colorProperties.indexOf(n[1])>-1,a=n?this.get(n[0])[n[1]]:this.get(t);"from"in i||(i.from=a),o||(e=~e.indexOf("=")?a+parseFloat(e.replace("=","")):parseFloat(e));var c={target:this,startValue:i.from,endValue:e,byValue:i.by,easing:i.easing,duration:i.duration,abort:i.abort&&function(t,e,r){return i.abort.call(s,t,e,r)},onChange:function(e,o,a){n?s[n[0]][n[1]]=e:s.set(t,e),r||i.onChange&&i.onChange(e,o,a)},onComplete:function(t,e,n){r||(s.setCoords(),i.onComplete&&i.onComplete(t,e,n))}};return o?fabric.util.animateColor(c.startValue,c.endValue,c.duration,c):fabric.util.animate(c)}}),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,r=e.util.object.clone,n={x1:1,x2:1,y1:1,y2:1};function s(t,e){var i=t.origin,r=t.axis1,n=t.axis2,s=t.dimension,o=e.nearest,a=e.center,c=e.farthest;return function(){switch(this.get(i)){case o:return Math.min(this.get(r),this.get(n));case a:return Math.min(this.get(r),this.get(n))+.5*this.get(s);case c:return Math.max(this.get(r),this.get(n))}}}e.Line?e.warn("fabric.Line is already defined"):(e.Line=e.util.createClass(e.Object,{type:"line",x1:0,y1:0,x2:0,y2:0,cacheProperties:e.Object.prototype.cacheProperties.concat("x1","x2","y1","y2"),initialize:function(t,e){t||(t=[0,0,0,0]),this.callSuper("initialize",e),this.set("x1",t[0]),this.set("y1",t[1]),this.set("x2",t[2]),this.set("y2",t[3]),this._setWidthHeight(e)},_setWidthHeight:function(t){t||(t={}),this.width=Math.abs(this.x2-this.x1),this.height=Math.abs(this.y2-this.y1),this.left="left"in t?t.left:this._getLeftToOriginX(),this.top="top"in t?t.top:this._getTopToOriginY()},_set:function(t,e){return this.callSuper("_set",t,e),void 0!==n[t]&&this._setWidthHeight(),this},_getLeftToOriginX:s({origin:"originX",axis1:"x1",axis2:"x2",dimension:"width"},{nearest:"left",center:"center",farthest:"right"}),_getTopToOriginY:s({origin:"originY",axis1:"y1",axis2:"y2",dimension:"height"},{nearest:"top",center:"center",farthest:"bottom"}),_render:function(t){t.beginPath();var e=this.calcLinePoints();t.moveTo(e.x1,e.y1),t.lineTo(e.x2,e.y2),t.lineWidth=this.strokeWidth;var i=t.strokeStyle;t.strokeStyle=this.stroke||t.fillStyle,this.stroke&&this._renderStroke(t),t.strokeStyle=i},_findCenterFromElement:function(){return{x:(this.x1+this.x2)/2,y:(this.y1+this.y2)/2}},toObject:function(t){return i(this.callSuper("toObject",t),this.calcLinePoints())},_getNonTransformedDimensions:function(){var t=this.callSuper("_getNonTransformedDimensions");return"butt"===this.strokeLineCap&&(0===this.width&&(t.y-=this.strokeWidth),0===this.height&&(t.x-=this.strokeWidth)),t},calcLinePoints:function(){var t=this.x1<=this.x2?-1:1,e=this.y1<=this.y2?-1:1,i=t*this.width*.5,r=e*this.height*.5;return{x1:i,x2:t*this.width*-.5,y1:r,y2:e*this.height*-.5}},_toSVG:function(){var t=this.calcLinePoints();return["<line ","COMMON_PARTS",'x1="',t.x1,'" y1="',t.y1,'" x2="',t.x2,'" y2="',t.y2,'" />\n']}}),e.Line.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("x1 y1 x2 y2".split(" ")),e.Line.fromElement=function(t,r,n){n=n||{};var s=e.parseAttributes(t,e.Line.ATTRIBUTE_NAMES),o=[s.x1||0,s.y1||0,s.x2||0,s.y2||0];r(new e.Line(o,i(s,n)))},e.Line.fromObject=function(t,i){var n=r(t,!0);n.points=[t.x1,t.y1,t.x2,t.y2],e.Object._fromObject("Line",n,function(t){delete t.points,i&&i(t)},"points")})}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.degreesToRadians;e.Circle?e.warn("fabric.Circle is already defined."):(e.Circle=e.util.createClass(e.Object,{type:"circle",radius:0,startAngle:0,endAngle:360,cacheProperties:e.Object.prototype.cacheProperties.concat("radius","startAngle","endAngle"),_set:function(t,e){return this.callSuper("_set",t,e),"radius"===t&&this.setRadius(e),this},toObject:function(t){return this.callSuper("toObject",["radius","startAngle","endAngle"].concat(t))},_toSVG:function(){var t,r=(this.endAngle-this.startAngle)%360;if(0===r)t=["<circle ","COMMON_PARTS",'cx="0" cy="0" ','r="',this.radius,'" />\n'];else{var n=i(this.startAngle),s=i(this.endAngle),o=this.radius;t=['<path d="M '+e.util.cos(n)*o+" "+e.util.sin(n)*o," A "+o+" "+o," 0 ",+(r>180?"1":"0")+" 1"," "+e.util.cos(s)*o+" "+e.util.sin(s)*o,'" ',"COMMON_PARTS"," />\n"]}return t},_render:function(t){t.beginPath(),t.arc(0,0,this.radius,i(this.startAngle),i(this.endAngle),!1),this._renderPaintInOrder(t)},getRadiusX:function(){return this.get("radius")*this.get("scaleX")},getRadiusY:function(){return this.get("radius")*this.get("scaleY")},setRadius:function(t){return this.radius=t,this.set("width",2*t).set("height",2*t)}}),e.Circle.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("cx cy r".split(" ")),e.Circle.fromElement=function(t,i){var r,n=e.parseAttributes(t,e.Circle.ATTRIBUTE_NAMES);if(!("radius"in(r=n)&&r.radius>=0))throw new Error("value of `r` attribute is required and can not be negative");n.left=(n.left||0)-n.radius,n.top=(n.top||0)-n.radius,i(new e.Circle(n))},e.Circle.fromObject=function(t,i){e.Object._fromObject("Circle",t,i)})}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={});e.Triangle?e.warn("fabric.Triangle is already defined"):(e.Triangle=e.util.createClass(e.Object,{type:"triangle",width:100,height:100,_render:function(t){var e=this.width/2,i=this.height/2;t.beginPath(),t.moveTo(-e,i),t.lineTo(0,-i),t.lineTo(e,i),t.closePath(),this._renderPaintInOrder(t)},_toSVG:function(){var t=this.width/2,e=this.height/2;return["<polygon ","COMMON_PARTS",'points="',[-t+" "+e,"0 "+-e,t+" "+e].join(","),'" />']}}),e.Triangle.fromObject=function(t,i){return e.Object._fromObject("Triangle",t,i)})}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=2*Math.PI;e.Ellipse?e.warn("fabric.Ellipse is already defined."):(e.Ellipse=e.util.createClass(e.Object,{type:"ellipse",rx:0,ry:0,cacheProperties:e.Object.prototype.cacheProperties.concat("rx","ry"),initialize:function(t){this.callSuper("initialize",t),this.set("rx",t&&t.rx||0),this.set("ry",t&&t.ry||0)},_set:function(t,e){switch(this.callSuper("_set",t,e),t){case"rx":this.rx=e,this.set("width",2*e);break;case"ry":this.ry=e,this.set("height",2*e)}return this},getRx:function(){return this.get("rx")*this.get("scaleX")},getRy:function(){return this.get("ry")*this.get("scaleY")},toObject:function(t){return this.callSuper("toObject",["rx","ry"].concat(t))},_toSVG:function(){return["<ellipse ","COMMON_PARTS",'cx="0" cy="0" ','rx="',this.rx,'" ry="',this.ry,'" />\n']},_render:function(t){t.beginPath(),t.save(),t.transform(1,0,0,this.ry/this.rx,0,0),t.arc(0,0,this.rx,0,i,!1),t.restore(),this._renderPaintInOrder(t)}}),e.Ellipse.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("cx cy rx ry".split(" ")),e.Ellipse.fromElement=function(t,i){var r=e.parseAttributes(t,e.Ellipse.ATTRIBUTE_NAMES);r.left=(r.left||0)-r.rx,r.top=(r.top||0)-r.ry,i(new e.Ellipse(r))},e.Ellipse.fromObject=function(t,i){e.Object._fromObject("Ellipse",t,i)})}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend;e.Rect?e.warn("fabric.Rect is already defined"):(e.Rect=e.util.createClass(e.Object,{stateProperties:e.Object.prototype.stateProperties.concat("rx","ry"),type:"rect",rx:0,ry:0,cacheProperties:e.Object.prototype.cacheProperties.concat("rx","ry"),initialize:function(t){this.callSuper("initialize",t),this._initRxRy()},_initRxRy:function(){this.rx&&!this.ry?this.ry=this.rx:this.ry&&!this.rx&&(this.rx=this.ry)},_render:function(t){var e=this.rx?Math.min(this.rx,this.width/2):0,i=this.ry?Math.min(this.ry,this.height/2):0,r=this.width,n=this.height,s=-this.width/2,o=-this.height/2,a=0!==e||0!==i,c=.4477152502;t.beginPath(),t.moveTo(s+e,o),t.lineTo(s+r-e,o),a&&t.bezierCurveTo(s+r-c*e,o,s+r,o+c*i,s+r,o+i),t.lineTo(s+r,o+n-i),a&&t.bezierCurveTo(s+r,o+n-c*i,s+r-c*e,o+n,s+r-e,o+n),t.lineTo(s+e,o+n),a&&t.bezierCurveTo(s+c*e,o+n,s,o+n-c*i,s,o+n-i),t.lineTo(s,o+i),a&&t.bezierCurveTo(s,o+c*i,s+c*e,o,s+e,o),t.closePath(),this._renderPaintInOrder(t)},toObject:function(t){return this.callSuper("toObject",["rx","ry"].concat(t))},_toSVG:function(){return["<rect ","COMMON_PARTS",'x="',-this.width/2,'" y="',-this.height/2,'" rx="',this.rx,'" ry="',this.ry,'" width="',this.width,'" height="',this.height,'" />\n']}}),e.Rect.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("x y rx ry width height".split(" ")),e.Rect.fromElement=function(t,r,n){if(!t)return r(null);n=n||{};var s=e.parseAttributes(t,e.Rect.ATTRIBUTE_NAMES);s.left=s.left||0,s.top=s.top||0,s.height=s.height||0,s.width=s.width||0;var o=new e.Rect(i(n?e.util.object.clone(n):{},s));o.visible=o.visible&&o.width>0&&o.height>0,r(o)},e.Rect.fromObject=function(t,i){return e.Object._fromObject("Rect",t,i)})}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,r=e.util.array.min,n=e.util.array.max,s=e.util.toFixed,o=e.util.projectStrokeOnPoints;e.Polyline?e.warn("fabric.Polyline is already defined"):(e.Polyline=e.util.createClass(e.Object,{type:"polyline",points:null,exactBoundingBox:!1,cacheProperties:e.Object.prototype.cacheProperties.concat("points"),initialize:function(t,e){e=e||{},this.points=t||[],this.callSuper("initialize",e),this._setPositionDimensions(e)},_projectStrokeOnPoints:function(){return o(this.points,this,!0)},_setPositionDimensions:function(t){var e,i=this._calcDimensions(t),r=this.exactBoundingBox?this.strokeWidth:0;this.width=i.width-r,this.height=i.height-r,t.fromSVG||(e=this.translateToGivenOrigin({x:i.left-this.strokeWidth/2+r/2,y:i.top-this.strokeWidth/2+r/2},"left","top",this.originX,this.originY)),void 0===t.left&&(this.left=t.fromSVG?i.left:e.x),void 0===t.top&&(this.top=t.fromSVG?i.top:e.y),this.pathOffset={x:i.left+this.width/2+r/2,y:i.top+this.height/2+r/2}},_calcDimensions:function(){var t=this.exactBoundingBox?this._projectStrokeOnPoints():this.points,e=r(t,"x")||0,i=r(t,"y")||0;return{left:e,top:i,width:(n(t,"x")||0)-e,height:(n(t,"y")||0)-i}},toObject:function(t){return i(this.callSuper("toObject",t),{points:this.points.concat()})},_toSVG:function(){for(var t=[],i=this.pathOffset.x,r=this.pathOffset.y,n=e.Object.NUM_FRACTION_DIGITS,o=0,a=this.points.length;o<a;o++)t.push(s(this.points[o].x-i,n),",",s(this.points[o].y-r,n)," ");return["<"+this.type+" ","COMMON_PARTS",'points="',t.join(""),'" />\n']},commonRender:function(t){var e,i=this.points.length,r=this.pathOffset.x,n=this.pathOffset.y;if(!i||isNaN(this.points[i-1].y))return!1;t.beginPath(),t.moveTo(this.points[0].x-r,this.points[0].y-n);for(var s=0;s<i;s++)e=this.points[s],t.lineTo(e.x-r,e.y-n);return!0},_render:function(t){this.commonRender(t)&&this._renderPaintInOrder(t)},complexity:function(){return this.get("points").length}}),e.Polyline.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat(),e.Polyline.fromElementGenerator=function(t){return function(r,n,s){if(!r)return n(null);s||(s={});var o=e.parsePointsAttribute(r.getAttribute("points")),a=e.parseAttributes(r,e[t].ATTRIBUTE_NAMES);a.fromSVG=!0,n(new e[t](o,i(a,s)))}},e.Polyline.fromElement=e.Polyline.fromElementGenerator("Polyline"),e.Polyline.fromObject=function(t,i){return e.Object._fromObject("Polyline",t,i,"points")})}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.projectStrokeOnPoints;e.Polygon?e.warn("fabric.Polygon is already defined"):(e.Polygon=e.util.createClass(e.Polyline,{type:"polygon",_projectStrokeOnPoints:function(){return i(this.points,this)},_render:function(t){this.commonRender(t)&&(t.closePath(),this._renderPaintInOrder(t))}}),e.Polygon.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat(),e.Polygon.fromElement=e.Polyline.fromElementGenerator("Polygon"),e.Polygon.fromObject=function(t,i){e.Object._fromObject("Polygon",t,i,"points")})}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.array.min,r=e.util.array.max,n=e.util.object.extend,s=e.util.object.clone,o=e.util.toFixed;e.Path?e.warn("fabric.Path is already defined"):(e.Path=e.util.createClass(e.Object,{type:"path",path:null,cacheProperties:e.Object.prototype.cacheProperties.concat("path","fillRule"),stateProperties:e.Object.prototype.stateProperties.concat("path"),initialize:function(t,e){delete(e=s(e||{})).path,this.callSuper("initialize",e),this._setPath(t||[],e)},_setPath:function(t,i){this.path=e.util.makePathSimpler(Array.isArray(t)?t:e.util.parsePath(t)),e.Polyline.prototype._setPositionDimensions.call(this,i||{})},_renderPathCommands:function(t){var e,i=0,r=0,n=0,s=0,o=0,a=0,c=-this.pathOffset.x,h=-this.pathOffset.y;t.beginPath();for(var l=0,u=this.path.length;l<u;++l)switch((e=this.path[l])[0]){case"L":n=e[1],s=e[2],t.lineTo(n+c,s+h);break;case"M":i=n=e[1],r=s=e[2],t.moveTo(n+c,s+h);break;case"C":n=e[5],s=e[6],o=e[3],a=e[4],t.bezierCurveTo(e[1]+c,e[2]+h,o+c,a+h,n+c,s+h);break;case"Q":t.quadraticCurveTo(e[1]+c,e[2]+h,e[3]+c,e[4]+h),n=e[3],s=e[4],o=e[1],a=e[2];break;case"z":case"Z":n=i,s=r,t.closePath()}},_render:function(t){this._renderPathCommands(t),this._renderPaintInOrder(t)},toString:function(){return"#<fabric.Path ("+this.complexity()+'): { "top": '+this.top+', "left": '+this.left+" }>"},toObject:function(t){return n(this.callSuper("toObject",t),{path:this.path.map(function(t){return t.slice()})})},toDatalessObject:function(t){var e=this.toObject(["sourcePath"].concat(t));return e.sourcePath&&delete e.path,e},_toSVG:function(){return["<path ","COMMON_PARTS",'d="',e.util.joinPath(this.path),'" stroke-linecap="round" ',"/>\n"]},_getOffsetTransform:function(){var t=e.Object.NUM_FRACTION_DIGITS;return" translate("+o(-this.pathOffset.x,t)+", "+o(-this.pathOffset.y,t)+")"},toClipPathSVG:function(t){var e=this._getOffsetTransform();return"\t"+this._createBaseClipPathSVGMarkup(this._toSVG(),{reviver:t,additionalTransform:e})},toSVG:function(t){var e=this._getOffsetTransform();return this._createBaseSVGMarkup(this._toSVG(),{reviver:t,additionalTransform:e})},complexity:function(){return this.path.length},_calcDimensions:function(){for(var t,n,s=[],o=[],a=0,c=0,h=0,l=0,u=0,f=this.path.length;u<f;++u){switch((t=this.path[u])[0]){case"L":h=t[1],l=t[2],n=[];break;case"M":a=h=t[1],c=l=t[2],n=[];break;case"C":n=e.util.getBoundsOfCurve(h,l,t[1],t[2],t[3],t[4],t[5],t[6]),h=t[5],l=t[6];break;case"Q":n=e.util.getBoundsOfCurve(h,l,t[1],t[2],t[1],t[2],t[3],t[4]),h=t[3],l=t[4];break;case"z":case"Z":h=a,l=c}n.forEach(function(t){s.push(t.x),o.push(t.y)}),s.push(h),o.push(l)}var d=i(s)||0,g=i(o)||0;return{left:d,top:g,width:(r(s)||0)-d,height:(r(o)||0)-g}}}),e.Path.fromObject=function(t,i){if("string"==typeof t.sourcePath){var r=t.sourcePath;e.loadSVGFromURL(r,function(e){var r=e[0];r.setOptions(t),i&&i(r)})}else e.Object._fromObject("Path",t,i,"path")},e.Path.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat(["d"]),e.Path.fromElement=function(t,i,r){var s=e.parseAttributes(t,e.Path.ATTRIBUTE_NAMES);s.fromSVG=!0,i(new e.Path(s.d,n(s,r)))})}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.array.min,r=e.util.array.max;e.Group||(e.Group=e.util.createClass(e.Object,e.Collection,{type:"group",strokeWidth:0,subTargetCheck:!1,cacheProperties:[],useSetOnGroup:!1,initialize:function(t,e,i){e=e||{},this._objects=[],i&&this.callSuper("initialize",e),this._objects=t||[];for(var r=this._objects.length;r--;)this._objects[r].group=this;if(i)this._updateObjectsACoords();else{var n=e&&e.centerPoint;void 0!==e.originX&&(this.originX=e.originX),void 0!==e.originY&&(this.originY=e.originY),n||this._calcBounds(),this._updateObjectsCoords(n),delete e.centerPoint,this.callSuper("initialize",e)}this.setCoords()},_updateObjectsACoords:function(){for(var t=this._objects.length;t--;)this._objects[t].setCoords(!0)},_updateObjectsCoords:function(t){t=t||this.getCenterPoint();for(var e=this._objects.length;e--;)this._updateObjectCoords(this._objects[e],t)},_updateObjectCoords:function(t,e){var i=t.left,r=t.top;t.set({left:i-e.x,top:r-e.y}),t.group=this,t.setCoords(!0)},toString:function(){return"#<fabric.Group: ("+this.complexity()+")>"},addWithUpdate:function(t){var i=!!this.group;return this._restoreObjectsState(),e.util.resetObjectTransform(this),t&&(i&&e.util.removeTransformFromObject(t,this.group.calcTransformMatrix()),this._objects.push(t),t.group=this,t._set("canvas",this.canvas)),this._calcBounds(),this._updateObjectsCoords(),this.dirty=!0,i?this.group.addWithUpdate():this.setCoords(),this},removeWithUpdate:function(t){return this._restoreObjectsState(),e.util.resetObjectTransform(this),this.remove(t),this._calcBounds(),this._updateObjectsCoords(),this.setCoords(),this.dirty=!0,this},_onObjectAdded:function(t){this.dirty=!0,t.group=this,t._set("canvas",this.canvas)},_onObjectRemoved:function(t){this.dirty=!0,delete t.group},_set:function(t,i){var r=this._objects.length;if(this.useSetOnGroup)for(;r--;)this._objects[r].setOnGroup(t,i);if("canvas"===t)for(;r--;)this._objects[r]._set(t,i);e.Object.prototype._set.call(this,t,i)},toObject:function(t){var i=this.includeDefaultValues,r=this._objects.filter(function(t){return!t.excludeFromExport}).map(function(e){var r=e.includeDefaultValues;e.includeDefaultValues=i;var n=e.toObject(t);return e.includeDefaultValues=r,n}),n=e.Object.prototype.toObject.call(this,t);return n.objects=r,n},toDatalessObject:function(t){var i,r=this.sourcePath;if(r)i=r;else{var n=this.includeDefaultValues;i=this._objects.map(function(e){var i=e.includeDefaultValues;e.includeDefaultValues=n;var r=e.toDatalessObject(t);return e.includeDefaultValues=i,r})}var s=e.Object.prototype.toDatalessObject.call(this,t);return s.objects=i,s},render:function(t){this._transformDone=!0,this.callSuper("render",t),this._transformDone=!1},shouldCache:function(){var t=e.Object.prototype.shouldCache.call(this);if(t)for(var i=0,r=this._objects.length;i<r;i++)if(this._objects[i].willDrawShadow())return this.ownCaching=!1,!1;return t},willDrawShadow:function(){if(e.Object.prototype.willDrawShadow.call(this))return!0;for(var t=0,i=this._objects.length;t<i;t++)if(this._objects[t].willDrawShadow())return!0;return!1},isOnACache:function(){return this.ownCaching||this.group&&this.group.isOnACache()},drawObject:function(t){for(var e=0,i=this._objects.length;e<i;e++)this._objects[e].render(t);this._drawClipPath(t,this.clipPath)},isCacheDirty:function(t){if(this.callSuper("isCacheDirty",t))return!0;if(!this.statefullCache)return!1;for(var e=0,i=this._objects.length;e<i;e++)if(this._objects[e].isCacheDirty(!0)){if(this._cacheCanvas){var r=this.cacheWidth/this.zoomX,n=this.cacheHeight/this.zoomY;this._cacheContext.clearRect(-r/2,-n/2,r,n)}return!0}return!1},_restoreObjectsState:function(){var t=this.calcOwnMatrix();return this._objects.forEach(function(i){e.util.addTransformToObject(i,t),delete i.group,i.setCoords()}),this},destroy:function(){return this._objects.forEach(function(t){t.set("dirty",!0)}),this._restoreObjectsState()},dispose:function(){this.callSuper("dispose"),this.forEachObject(function(t){t.dispose&&t.dispose()}),this._objects=[]},toActiveSelection:function(){if(this.canvas){var t=this._objects,i=this.canvas;this._objects=[];var r=this.toObject();delete r.objects;var n=new e.ActiveSelection([]);return n.set(r),n.type="activeSelection",i.remove(this),t.forEach(function(t){t.group=n,t.dirty=!0,i.add(t)}),n.canvas=i,n._objects=t,i._activeObject=n,n.setCoords(),n}},ungroupOnCanvas:function(){return this._restoreObjectsState()},setObjectsCoords:function(){return this.forEachObject(function(t){t.setCoords(!0)}),this},_calcBounds:function(t){for(var e,i,r,n,s=[],o=[],a=["tr","br","bl","tl"],c=0,h=this._objects.length,l=a.length;c<h;++c){for(r=(e=this._objects[c]).calcACoords(),n=0;n<l;n++)i=a[n],s.push(r[i].x),o.push(r[i].y);e.aCoords=r}this._getBounds(s,o,t)},_getBounds:function(t,n,s){var o=new e.Point(i(t),i(n)),a=new e.Point(r(t),r(n)),c=o.y||0,h=o.x||0,l=a.x-o.x||0,u=a.y-o.y||0;this.width=l,this.height=u,s||this.setPositionByOrigin({x:h,y:c},"left","top")},_toSVG:function(t){for(var e=["<g ","COMMON_PARTS"," >\n"],i=0,r=this._objects.length;i<r;i++)e.push("\t\t",this._objects[i].toSVG(t));return e.push("</g>\n"),e},getSvgStyles:function(){var t=void 0!==this.opacity&&1!==this.opacity?"opacity: "+this.opacity+";":"",e=this.visible?"":" visibility: hidden;";return[t,this.getSvgFilter(),e].join("")},toClipPathSVG:function(t){for(var e=[],i=0,r=this._objects.length;i<r;i++)e.push("\t",this._objects[i].toClipPathSVG(t));return this._createBaseClipPathSVGMarkup(e,{reviver:t})}}),e.Group.fromObject=function(t,i){var r=t.objects,n=e.util.object.clone(t,!0);delete n.objects,"string"!=typeof r?e.util.enlivenObjects(r,function(r){var n=e.util.object.clone(t,!0);delete n.objects,e.util.enlivenObjectEnlivables(t,n,function(){i&&i(new e.Group(r,n,!0))})}):e.loadSVGFromURL(r,function(s){var o=e.util.groupSVGElements(s,t,r);o.set(n),i&&i(o)})})}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={});e.ActiveSelection||(e.ActiveSelection=e.util.createClass(e.Group,{type:"activeSelection",initialize:function(t,i){i=i||{},this._objects=t||[];for(var r=this._objects.length;r--;)this._objects[r].group=this;i.originX&&(this.originX=i.originX),i.originY&&(this.originY=i.originY),this._calcBounds(),this._updateObjectsCoords(),e.Object.prototype.initialize.call(this,i),this.setCoords()},toGroup:function(){var t=this._objects.concat();this._objects=[];var i=e.Object.prototype.toObject.call(this),r=new e.Group([]);if(delete i.type,r.set(i),t.forEach(function(t){t.canvas.remove(t),t.group=r}),r._objects=t,!this.canvas)return r;var n=this.canvas;return n.add(r),n._activeObject=r,r.setCoords(),r},onDeselect:function(){return this.destroy(),!1},toString:function(){return"#<fabric.ActiveSelection: ("+this.complexity()+")>"},shouldCache:function(){return!1},isOnACache:function(){return!1},_renderControls:function(t,e,i){t.save(),t.globalAlpha=this.isMoving?this.borderOpacityWhenMoving:1,this.callSuper("_renderControls",t,e),void 0===(i=i||{}).hasControls&&(i.hasControls=!1),i.forActiveSelection=!0;for(var r=0,n=this._objects.length;r<n;r++)this._objects[r]._renderControls(t,i);t.restore()}}),e.ActiveSelection.fromObject=function(t,i){e.util.enlivenObjects(t.objects,function(r){delete t.objects,i&&i(new e.ActiveSelection(r,t,!0))})})}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=fabric.util.object.extend;t.fabric||(t.fabric={}),t.fabric.Image?fabric.warn("fabric.Image is already defined."):(fabric.Image=fabric.util.createClass(fabric.Object,{type:"image",strokeWidth:0,srcFromAttribute:!1,_lastScaleX:1,_lastScaleY:1,_filterScalingX:1,_filterScalingY:1,minimumScaleTrigger:.5,stateProperties:fabric.Object.prototype.stateProperties.concat("cropX","cropY"),cacheProperties:fabric.Object.prototype.cacheProperties.concat("cropX","cropY"),cacheKey:"",cropX:0,cropY:0,imageSmoothing:!0,initialize:function(t,e){e||(e={}),this.filters=[],this.cacheKey="texture"+fabric.Object.__uid++,this.callSuper("initialize",e),this._initElement(t,e)},getElement:function(){return this._element||{}},setElement:function(t,e){return this.removeTexture(this.cacheKey),this.removeTexture(this.cacheKey+"_filtered"),this._element=t,this._originalElement=t,this._initConfig(e),0!==this.filters.length&&this.applyFilters(),this.resizeFilter&&this.applyResizeFilters(),this},removeTexture:function(t){var e=fabric.filterBackend;e&&e.evictCachesForKey&&e.evictCachesForKey(t)},dispose:function(){this.callSuper("dispose"),this.removeTexture(this.cacheKey),this.removeTexture(this.cacheKey+"_filtered"),this._cacheContext=void 0,["_originalElement","_element","_filteredEl","_cacheCanvas"].forEach(function(t){fabric.util.cleanUpJsdomNode(this[t]),this[t]=void 0}.bind(this))},getCrossOrigin:function(){return this._originalElement&&(this._originalElement.crossOrigin||null)},getOriginalSize:function(){var t=this.getElement();return{width:t.naturalWidth||t.width,height:t.naturalHeight||t.height}},_stroke:function(t){if(this.stroke&&0!==this.strokeWidth){var e=this.width/2,i=this.height/2;t.beginPath(),t.moveTo(-e,-i),t.lineTo(e,-i),t.lineTo(e,i),t.lineTo(-e,i),t.lineTo(-e,-i),t.closePath()}},toObject:function(t){var i=[];this.filters.forEach(function(t){t&&i.push(t.toObject())});var r=e(this.callSuper("toObject",["cropX","cropY"].concat(t)),{src:this.getSrc(),crossOrigin:this.getCrossOrigin(),filters:i});return this.resizeFilter&&(r.resizeFilter=this.resizeFilter.toObject()),r},hasCrop:function(){return this.cropX||this.cropY||this.width<this._element.width||this.height<this._element.height},_toSVG:function(){var t,e=[],i=[],r=this._element,n=-this.width/2,s=-this.height/2,o="",a="";if(!r)return[];if(this.hasCrop()){var c=fabric.Object.__uid++;e.push('<clipPath id="imageCrop_'+c+'">\n','\t<rect x="'+n+'" y="'+s+'" width="'+this.width+'" height="'+this.height+'" />\n',"</clipPath>\n"),o=' clip-path="url(#imageCrop_'+c+')" '}if(this.imageSmoothing||(a='" image-rendering="optimizeSpeed'),i.push("\t<image ","COMMON_PARTS",'xlink:href="',this.getSvgSrc(!0),'" x="',n-this.cropX,'" y="',s-this.cropY,'" width="',r.width||r.naturalWidth,'" height="',r.height||r.height,a,'"',o,"></image>\n"),this.stroke||this.strokeDashArray){var h=this.fill;this.fill=null,t=["\t<rect ",'x="',n,'" y="',s,'" width="',this.width,'" height="',this.height,'" style="',this.getSvgStyles(),'"/>\n'],this.fill=h}return e="fill"!==this.paintFirst?e.concat(t,i):e.concat(i,t)},getSrc:function(t){var e=t?this._element:this._originalElement;return e?e.toDataURL?e.toDataURL():this.srcFromAttribute?e.getAttribute("src"):e.src:this.src||""},setSrc:function(t,e,i){return fabric.util.loadImage(t,function(t,r){this.setElement(t,i),this._setWidthHeight(),e&&e(this,r)},this,i&&i.crossOrigin),this},toString:function(){return'#<fabric.Image: { src: "'+this.getSrc()+'" }>'},applyResizeFilters:function(){var t=this.resizeFilter,e=this.minimumScaleTrigger,i=this.getTotalObjectScaling(),r=i.scaleX,n=i.scaleY,s=this._filteredEl||this._originalElement;if(this.group&&this.set("dirty",!0),!t||r>e&&n>e)return this._element=s,this._filterScalingX=1,this._filterScalingY=1,this._lastScaleX=r,void(this._lastScaleY=n);fabric.filterBackend||(fabric.filterBackend=fabric.initFilterBackend());var o=fabric.util.createCanvasElement(),a=this._filteredEl?this.cacheKey+"_filtered":this.cacheKey,c=s.width,h=s.height;o.width=c,o.height=h,this._element=o,this._lastScaleX=t.scaleX=r,this._lastScaleY=t.scaleY=n,fabric.filterBackend.applyFilters([t],s,c,h,this._element,a),this._filterScalingX=o.width/this._originalElement.width,this._filterScalingY=o.height/this._originalElement.height},applyFilters:function(t){if(t=(t=t||this.filters||[]).filter(function(t){return t&&!t.isNeutralState()}),this.set("dirty",!0),this.removeTexture(this.cacheKey+"_filtered"),0===t.length)return this._element=this._originalElement,this._filteredEl=null,this._filterScalingX=1,this._filterScalingY=1,this;var e=this._originalElement,i=e.naturalWidth||e.width,r=e.naturalHeight||e.height;if(this._element===this._originalElement){var n=fabric.util.createCanvasElement();n.width=i,n.height=r,this._element=n,this._filteredEl=n}else this._element=this._filteredEl,this._filteredEl.getContext("2d").clearRect(0,0,i,r),this._lastScaleX=1,this._lastScaleY=1;return fabric.filterBackend||(fabric.filterBackend=fabric.initFilterBackend()),fabric.filterBackend.applyFilters(t,this._originalElement,i,r,this._element,this.cacheKey),this._originalElement.width===this._element.width&&this._originalElement.height===this._element.height||(this._filterScalingX=this._element.width/this._originalElement.width,this._filterScalingY=this._element.height/this._originalElement.height),this},_render:function(t){fabric.util.setImageSmoothing(t,this.imageSmoothing),!0!==this.isMoving&&this.resizeFilter&&this._needsResize()&&this.applyResizeFilters(),this._stroke(t),this._renderPaintInOrder(t)},drawCacheOnCanvas:function(t){fabric.util.setImageSmoothing(t,this.imageSmoothing),fabric.Object.prototype.drawCacheOnCanvas.call(this,t)},shouldCache:function(){return this.needsItsOwnCache()},_renderFill:function(t){var e=this._element;if(e){var i=this._filterScalingX,r=this._filterScalingY,n=this.width,s=this.height,o=Math.min,a=Math.max,c=a(this.cropX,0),h=a(this.cropY,0),l=e.naturalWidth||e.width,u=e.naturalHeight||e.height,f=c*i,d=h*r,g=o(n*i,l-f),p=o(s*r,u-d),v=-n/2,m=-s/2,b=o(n,l/i-c),y=o(s,u/r-h);e&&t.drawImage(e,f,d,g,p,v,m,b,y)}},_needsResize:function(){var t=this.getTotalObjectScaling();return t.scaleX!==this._lastScaleX||t.scaleY!==this._lastScaleY},_resetWidthHeight:function(){this.set(this.getOriginalSize())},_initElement:function(t,e){this.setElement(fabric.util.getById(t),e),fabric.util.addClass(this.getElement(),fabric.Image.CSS_CANVAS)},_initConfig:function(t){t||(t={}),this.setOptions(t),this._setWidthHeight(t)},_initFilters:function(t,e){t&&t.length?fabric.util.enlivenObjects(t,function(t){e&&e(t)},"fabric.Image.filters"):e&&e()},_setWidthHeight:function(t){t||(t={});var e=this.getElement();this.width=t.width||e.naturalWidth||e.width||0,this.height=t.height||e.naturalHeight||e.height||0},parsePreserveAspectRatioAttribute:function(){var t,e=fabric.util.parsePreserveAspectRatioAttribute(this.preserveAspectRatio||""),i=this._element.width,r=this._element.height,n=1,s=1,o=0,a=0,c=0,h=0,l=this.width,u=this.height,f={width:l,height:u};return!e||"none"===e.alignX&&"none"===e.alignY?(n=l/i,s=u/r):("meet"===e.meetOrSlice&&(t=(l-i*(n=s=fabric.util.findScaleToFit(this._element,f)))/2,"Min"===e.alignX&&(o=-t),"Max"===e.alignX&&(o=t),t=(u-r*s)/2,"Min"===e.alignY&&(a=-t),"Max"===e.alignY&&(a=t)),"slice"===e.meetOrSlice&&(t=i-l/(n=s=fabric.util.findScaleToCover(this._element,f)),"Mid"===e.alignX&&(c=t/2),"Max"===e.alignX&&(c=t),t=r-u/s,"Mid"===e.alignY&&(h=t/2),"Max"===e.alignY&&(h=t),i=l/n,r=u/s)),{width:i,height:r,scaleX:n,scaleY:s,offsetLeft:o,offsetTop:a,cropX:c,cropY:h}}}),fabric.Image.CSS_CANVAS="canvas-img",fabric.Image.prototype.getSvgSrc=fabric.Image.prototype.getSrc,fabric.Image.fromObject=function(t,e){var i=fabric.util.object.clone(t);fabric.util.loadImage(i.src,function(t,r){r?e&&e(null,!0):fabric.Image.prototype._initFilters.call(i,i.filters,function(r){i.filters=r||[],fabric.Image.prototype._initFilters.call(i,[i.resizeFilter],function(r){i.resizeFilter=r[0],fabric.util.enlivenObjectEnlivables(i,i,function(){var r=new fabric.Image(t,i);e(r,!1)})})})},null,i.crossOrigin)},fabric.Image.fromURL=function(t,e,i){fabric.util.loadImage(t,function(t,r){e&&e(new fabric.Image(t,i),r)},null,i&&i.crossOrigin)},fabric.Image.ATTRIBUTE_NAMES=fabric.SHARED_ATTRIBUTES.concat("x y width height preserveAspectRatio xlink:href crossOrigin image-rendering".split(" ")),fabric.Image.fromElement=function(t,i,r){var n=fabric.parseAttributes(t,fabric.Image.ATTRIBUTE_NAMES);fabric.Image.fromURL(n["xlink:href"],i,e(r?fabric.util.object.clone(r):{},n))})}("undefined"!=typeof exports?exports:this),fabric.util.object.extend(fabric.Object.prototype,{_getAngleValueForStraighten:function(){var t=this.angle%360;return t>0?90*Math.round((t-1)/90):90*Math.round(t/90)},straighten:function(){return this.rotate(this._getAngleValueForStraighten())},fxStraighten:function(t){var e=function(){},i=(t=t||{}).onComplete||e,r=t.onChange||e,n=this;return fabric.util.animate({target:this,startValue:this.get("angle"),endValue:this._getAngleValueForStraighten(),duration:this.FX_DURATION,onChange:function(t){n.rotate(t),r()},onComplete:function(){n.setCoords(),i()}})}}),fabric.util.object.extend(fabric.StaticCanvas.prototype,{straightenObject:function(t){return t.straighten(),this.requestRenderAll(),this},fxStraightenObject:function(t){return t.fxStraighten({onChange:this.requestRenderAllBound})}}),function(){"use strict";function t(t,e){var i="precision "+e+" float;\nvoid main(){}",r=t.createShader(t.FRAGMENT_SHADER);return t.shaderSource(r,i),t.compileShader(r),!!t.getShaderParameter(r,t.COMPILE_STATUS)}function e(t){t&&t.tileSize&&(this.tileSize=t.tileSize),this.setupGLContext(this.tileSize,this.tileSize),this.captureGPUInfo()}fabric.isWebglSupported=function(e){if(fabric.isLikelyNode)return!1;e=e||fabric.WebglFilterBackend.prototype.tileSize;var i=document.createElement("canvas"),r=i.getContext("webgl")||i.getContext("experimental-webgl"),n=!1;if(r){fabric.maxTextureSize=r.getParameter(r.MAX_TEXTURE_SIZE),n=fabric.maxTextureSize>=e;for(var s=["highp","mediump","lowp"],o=0;o<3;o++)if(t(r,s[o])){fabric.webGlPrecision=s[o];break}}return this.isSupported=n,n},fabric.WebglFilterBackend=e,e.prototype={tileSize:2048,resources:{},setupGLContext:function(t,e){this.dispose(),this.createWebGLCanvas(t,e),this.aPosition=new Float32Array([0,0,0,1,1,0,1,1]),this.chooseFastestCopyGLTo2DMethod(t,e)},chooseFastestCopyGLTo2DMethod:function(t,e){var i,r=void 0!==window.performance;try{new ImageData(1,1),i=!0}catch(t){i=!1}var n="undefined"!=typeof ArrayBuffer,s="undefined"!=typeof Uint8ClampedArray;if(r&&i&&n&&s){var o=fabric.util.createCanvasElement(),a=new ArrayBuffer(t*e*4);if(fabric.forceGLPutImageData)return this.imageBuffer=a,void(this.copyGLTo2D=copyGLTo2DPutImageData);var c,h,l={imageBuffer:a,destinationWidth:t,destinationHeight:e,targetCanvas:o};o.width=t,o.height=e,c=window.performance.now(),copyGLTo2DDrawImage.call(l,this.gl,l),h=window.performance.now()-c,c=window.performance.now(),copyGLTo2DPutImageData.call(l,this.gl,l),h>window.performance.now()-c?(this.imageBuffer=a,this.copyGLTo2D=copyGLTo2DPutImageData):this.copyGLTo2D=copyGLTo2DDrawImage}},createWebGLCanvas:function(t,e){var i=fabric.util.createCanvasElement();i.width=t,i.height=e;var r={alpha:!0,premultipliedAlpha:!1,depth:!1,stencil:!1,antialias:!1},n=i.getContext("webgl",r);n||(n=i.getContext("experimental-webgl",r)),n&&(n.clearColor(0,0,0,0),this.canvas=i,this.gl=n)},applyFilters:function(t,e,i,r,n,s){var o,a=this.gl;s&&(o=this.getCachedTexture(s,e));var c={originalWidth:e.width||e.originalWidth,originalHeight:e.height||e.originalHeight,sourceWidth:i,sourceHeight:r,destinationWidth:i,destinationHeight:r,context:a,sourceTexture:this.createTexture(a,i,r,!o&&e),targetTexture:this.createTexture(a,i,r),originalTexture:o||this.createTexture(a,i,r,!o&&e),passes:t.length,webgl:!0,aPosition:this.aPosition,programCache:this.programCache,pass:0,filterBackend:this,targetCanvas:n},h=a.createFramebuffer();return a.bindFramebuffer(a.FRAMEBUFFER,h),t.forEach(function(t){t&&t.applyTo(c)}),resizeCanvasIfNeeded(c),this.copyGLTo2D(a,c),a.bindTexture(a.TEXTURE_2D,null),a.deleteTexture(c.sourceTexture),a.deleteTexture(c.targetTexture),a.deleteFramebuffer(h),n.getContext("2d").setTransform(1,0,0,1,0,0),c},dispose:function(){this.canvas&&(this.canvas=null,this.gl=null),this.clearWebGLCaches()},clearWebGLCaches:function(){this.programCache={},this.textureCache={}},createTexture:function(t,e,i,r){var n=t.createTexture();return t.bindTexture(t.TEXTURE_2D,n),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.NEAREST),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,t.NEAREST),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),r?t.texImage2D(t.TEXTURE_2D,0,t.RGBA,t.RGBA,t.UNSIGNED_BYTE,r):t.texImage2D(t.TEXTURE_2D,0,t.RGBA,e,i,0,t.RGBA,t.UNSIGNED_BYTE,null),n},getCachedTexture:function(t,e){if(this.textureCache[t])return this.textureCache[t];var i=this.createTexture(this.gl,e.width,e.height,e);return this.textureCache[t]=i,i},evictCachesForKey:function(t){this.textureCache[t]&&(this.gl.deleteTexture(this.textureCache[t]),delete this.textureCache[t])},copyGLTo2D:copyGLTo2DDrawImage,captureGPUInfo:function(){if(this.gpuInfo)return this.gpuInfo;var t=this.gl,e={renderer:"",vendor:""};if(!t)return e;var i=t.getExtension("WEBGL_debug_renderer_info");if(i){var r=t.getParameter(i.UNMASKED_RENDERER_WEBGL),n=t.getParameter(i.UNMASKED_VENDOR_WEBGL);r&&(e.renderer=r.toLowerCase()),n&&(e.vendor=n.toLowerCase())}return this.gpuInfo=e,e}}}(),function(){"use strict";var t=function(){};function e(){}fabric.Canvas2dFilterBackend=e,e.prototype={evictCachesForKey:t,dispose:t,clearWebGLCaches:t,resources:{},applyFilters:function(t,e,i,r,n){var s=n.getContext("2d");s.drawImage(e,0,0,i,r);var o={sourceWidth:i,sourceHeight:r,imageData:s.getImageData(0,0,i,r),originalEl:e,originalImageData:s.getImageData(0,0,i,r),canvasEl:n,ctx:s,filterBackend:this};return t.forEach(function(t){t.applyTo(o)}),o.imageData.width===i&&o.imageData.height===r||(n.width=o.imageData.width,n.height=o.imageData.height),s.putImageData(o.imageData,0,0),o}}}(),fabric.Image=fabric.Image||{},fabric.Image.filters=fabric.Image.filters||{},fabric.Image.filters.BaseFilter=fabric.util.createClass({type:"BaseFilter",vertexSource:"attribute vec2 aPosition;\nvarying vec2 vTexCoord;\nvoid main() {\nvTexCoord = aPosition;\ngl_Position = vec4(aPosition * 2.0 - 1.0, 0.0, 1.0);\n}",fragmentSource:"precision highp float;\nvarying vec2 vTexCoord;\nuniform sampler2D uTexture;\nvoid main() {\ngl_FragColor = texture2D(uTexture, vTexCoord);\n}",initialize:function(t){t&&this.setOptions(t)},setOptions:function(t){for(var e in t)this[e]=t[e]},createProgram:function(t,e,i){e=e||this.fragmentSource,i=i||this.vertexSource,"highp"!==fabric.webGlPrecision&&(e=e.replace(/precision highp float/g,"precision "+fabric.webGlPrecision+" float"));var r=t.createShader(t.VERTEX_SHADER);if(t.shaderSource(r,i),t.compileShader(r),!t.getShaderParameter(r,t.COMPILE_STATUS))throw new Error("Vertex shader compile error for "+this.type+": "+t.getShaderInfoLog(r));var n=t.createShader(t.FRAGMENT_SHADER);if(t.shaderSource(n,e),t.compileShader(n),!t.getShaderParameter(n,t.COMPILE_STATUS))throw new Error("Fragment shader compile error for "+this.type+": "+t.getShaderInfoLog(n));var s=t.createProgram();if(t.attachShader(s,r),t.attachShader(s,n),t.linkProgram(s),!t.getProgramParameter(s,t.LINK_STATUS))throw new Error('Shader link error for "${this.type}" '+t.getProgramInfoLog(s));var o=this.getAttributeLocations(t,s),a=this.getUniformLocations(t,s)||{};return a.uStepW=t.getUniformLocation(s,"uStepW"),a.uStepH=t.getUniformLocation(s,"uStepH"),{program:s,attributeLocations:o,uniformLocations:a}},getAttributeLocations:function(t,e){return{aPosition:t.getAttribLocation(e,"aPosition")}},getUniformLocations:function(){return{}},sendAttributeData:function(t,e,i){var r=e.aPosition,n=t.createBuffer();t.bindBuffer(t.ARRAY_BUFFER,n),t.enableVertexAttribArray(r),t.vertexAttribPointer(r,2,t.FLOAT,!1,0,0),t.bufferData(t.ARRAY_BUFFER,i,t.STATIC_DRAW)},_setupFrameBuffer:function(t){var e,i,r=t.context;t.passes>1?(e=t.destinationWidth,i=t.destinationHeight,t.sourceWidth===e&&t.sourceHeight===i||(r.deleteTexture(t.targetTexture),t.targetTexture=t.filterBackend.createTexture(r,e,i)),r.framebufferTexture2D(r.FRAMEBUFFER,r.COLOR_ATTACHMENT0,r.TEXTURE_2D,t.targetTexture,0)):(r.bindFramebuffer(r.FRAMEBUFFER,null),r.finish())},_swapTextures:function(t){t.passes--,t.pass++;var e=t.targetTexture;t.targetTexture=t.sourceTexture,t.sourceTexture=e},isNeutralState:function(){var t=this.mainParameter,e=fabric.Image.filters[this.type].prototype;if(t){if(Array.isArray(e[t])){for(var i=e[t].length;i--;)if(this[t][i]!==e[t][i])return!1;return!0}return e[t]===this[t]}return!1},applyTo:function(t){t.webgl?(this._setupFrameBuffer(t),this.applyToWebGL(t),this._swapTextures(t)):this.applyTo2d(t)},retrieveShader:function(t){return t.programCache.hasOwnProperty(this.type)||(t.programCache[this.type]=this.createProgram(t.context)),t.programCache[this.type]},applyToWebGL:function(t){var e=t.context,i=this.retrieveShader(t);0===t.pass&&t.originalTexture?e.bindTexture(e.TEXTURE_2D,t.originalTexture):e.bindTexture(e.TEXTURE_2D,t.sourceTexture),e.useProgram(i.program),this.sendAttributeData(e,i.attributeLocations,t.aPosition),e.uniform1f(i.uniformLocations.uStepW,1/t.sourceWidth),e.uniform1f(i.uniformLocations.uStepH,1/t.sourceHeight),this.sendUniformData(e,i.uniformLocations),e.viewport(0,0,t.destinationWidth,t.destinationHeight),e.drawArrays(e.TRIANGLE_STRIP,0,4)},bindAdditionalTexture:function(t,e,i){t.activeTexture(i),t.bindTexture(t.TEXTURE_2D,e),t.activeTexture(t.TEXTURE0)},unbindAdditionalTexture:function(t,e){t.activeTexture(e),t.bindTexture(t.TEXTURE_2D,null),t.activeTexture(t.TEXTURE0)},getMainParameter:function(){return this[this.mainParameter]},setMainParameter:function(t){this[this.mainParameter]=t},sendUniformData:function(){},createHelpLayer:function(t){if(!t.helpLayer){var e=document.createElement("canvas");e.width=t.sourceWidth,e.height=t.sourceHeight,t.helpLayer=e}},toObject:function(){var t={type:this.type},e=this.mainParameter;return e&&(t[e]=this[e]),t},toJSON:function(){return this.toObject()}}),fabric.Image.filters.BaseFilter.fromObject=function(t,e){var i=new fabric.Image.filters[t.type](t);return e&&e(i),i},function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.ColorMatrix=r(i.BaseFilter,{type:"ColorMatrix",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nvarying vec2 vTexCoord;\nuniform mat4 uColorMatrix;\nuniform vec4 uConstants;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\ncolor *= uColorMatrix;\ncolor += uConstants;\ngl_FragColor = color;\n}",matrix:[1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0],mainParameter:"matrix",colorsOnly:!0,initialize:function(t){this.callSuper("initialize",t),this.matrix=this.matrix.slice(0)},applyTo2d:function(t){var e,i,r,n,s,o=t.imageData.data,a=o.length,c=this.matrix,h=this.colorsOnly;for(s=0;s<a;s+=4)e=o[s],i=o[s+1],r=o[s+2],h?(o[s]=e*c[0]+i*c[1]+r*c[2]+255*c[4],o[s+1]=e*c[5]+i*c[6]+r*c[7]+255*c[9],o[s+2]=e*c[10]+i*c[11]+r*c[12]+255*c[14]):(n=o[s+3],o[s]=e*c[0]+i*c[1]+r*c[2]+n*c[3]+255*c[4],o[s+1]=e*c[5]+i*c[6]+r*c[7]+n*c[8]+255*c[9],o[s+2]=e*c[10]+i*c[11]+r*c[12]+n*c[13]+255*c[14],o[s+3]=e*c[15]+i*c[16]+r*c[17]+n*c[18]+255*c[19])},getUniformLocations:function(t,e){return{uColorMatrix:t.getUniformLocation(e,"uColorMatrix"),uConstants:t.getUniformLocation(e,"uConstants")}},sendUniformData:function(t,e){var i=this.matrix,r=[i[0],i[1],i[2],i[3],i[5],i[6],i[7],i[8],i[10],i[11],i[12],i[13],i[15],i[16],i[17],i[18]],n=[i[4],i[9],i[14],i[19]];t.uniformMatrix4fv(e.uColorMatrix,!1,r),t.uniform4fv(e.uConstants,n)}}),e.Image.filters.ColorMatrix.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Brightness=r(i.BaseFilter,{type:"Brightness",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uBrightness;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\ncolor.rgb += uBrightness;\ngl_FragColor = color;\n}",brightness:0,mainParameter:"brightness",applyTo2d:function(t){if(0!==this.brightness){var e,i=t.imageData.data,r=i.length,n=Math.round(255*this.brightness);for(e=0;e<r;e+=4)i[e]=i[e]+n,i[e+1]=i[e+1]+n,i[e+2]=i[e+2]+n}},getUniformLocations:function(t,e){return{uBrightness:t.getUniformLocation(e,"uBrightness")}},sendUniformData:function(t,e){t.uniform1f(e.uBrightness,this.brightness)}}),e.Image.filters.Brightness.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,r=e.Image.filters,n=e.util.createClass;r.Convolute=n(r.BaseFilter,{type:"Convolute",opaque:!1,matrix:[0,0,0,0,1,0,0,0,0],fragmentSource:{Convolute_3_1:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[9];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 0);\nfor (float h = 0.0; h < 3.0; h+=1.0) {\nfor (float w = 0.0; w < 3.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 1), uStepH * (h - 1));\ncolor += texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 3.0 + w)];\n}\n}\ngl_FragColor = color;\n}",Convolute_3_0:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[9];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 1);\nfor (float h = 0.0; h < 3.0; h+=1.0) {\nfor (float w = 0.0; w < 3.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 1.0), uStepH * (h - 1.0));\ncolor.rgb += texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 3.0 + w)];\n}\n}\nfloat alpha = texture2D(uTexture, vTexCoord).a;\ngl_FragColor = color;\ngl_FragColor.a = alpha;\n}",Convolute_5_1:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[25];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 0);\nfor (float h = 0.0; h < 5.0; h+=1.0) {\nfor (float w = 0.0; w < 5.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 2.0), uStepH * (h - 2.0));\ncolor += texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 5.0 + w)];\n}\n}\ngl_FragColor = color;\n}",Convolute_5_0:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[25];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 1);\nfor (float h = 0.0; h < 5.0; h+=1.0) {\nfor (float w = 0.0; w < 5.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 2.0), uStepH * (h - 2.0));\ncolor.rgb += texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 5.0 + w)];\n}\n}\nfloat alpha = texture2D(uTexture, vTexCoord).a;\ngl_FragColor = color;\ngl_FragColor.a = alpha;\n}",Convolute_7_1:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[49];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 0);\nfor (float h = 0.0; h < 7.0; h+=1.0) {\nfor (float w = 0.0; w < 7.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 3.0), uStepH * (h - 3.0));\ncolor += texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 7.0 + w)];\n}\n}\ngl_FragColor = color;\n}",Convolute_7_0:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[49];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 1);\nfor (float h = 0.0; h < 7.0; h+=1.0) {\nfor (float w = 0.0; w < 7.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 3.0), uStepH * (h - 3.0));\ncolor.rgb += texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 7.0 + w)];\n}\n}\nfloat alpha = texture2D(uTexture, vTexCoord).a;\ngl_FragColor = color;\ngl_FragColor.a = alpha;\n}",Convolute_9_1:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[81];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 0);\nfor (float h = 0.0; h < 9.0; h+=1.0) {\nfor (float w = 0.0; w < 9.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 4.0), uStepH * (h - 4.0));\ncolor += texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 9.0 + w)];\n}\n}\ngl_FragColor = color;\n}",Convolute_9_0:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[81];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 1);\nfor (float h = 0.0; h < 9.0; h+=1.0) {\nfor (float w = 0.0; w < 9.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 4.0), uStepH * (h - 4.0));\ncolor.rgb += texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 9.0 + w)];\n}\n}\nfloat alpha = texture2D(uTexture, vTexCoord).a;\ngl_FragColor = color;\ngl_FragColor.a = alpha;\n}"},retrieveShader:function(t){var e=Math.sqrt(this.matrix.length),i=this.type+"_"+e+"_"+(this.opaque?1:0),r=this.fragmentSource[i];return t.programCache.hasOwnProperty(i)||(t.programCache[i]=this.createProgram(t.context,r)),t.programCache[i]},applyTo2d:function(t){var e,i,r,n,s,o,a,c,h,l,u,f,d,g=t.imageData,p=g.data,v=this.matrix,m=Math.round(Math.sqrt(v.length)),b=Math.floor(m/2),y=g.width,_=g.height,x=t.ctx.createImageData(y,_),C=x.data,S=this.opaque?1:0;for(u=0;u<_;u++)for(l=0;l<y;l++){for(s=4*(u*y+l),e=0,i=0,r=0,n=0,d=0;d<m;d++)for(f=0;f<m;f++)o=l+f-b,(a=u+d-b)<0||a>=_||o<0||o>=y||(c=4*(a*y+o),h=v[d*m+f],e+=p[c]*h,i+=p[c+1]*h,r+=p[c+2]*h,S||(n+=p[c+3]*h));C[s]=e,C[s+1]=i,C[s+2]=r,C[s+3]=S?p[s+3]:n}t.imageData=x},getUniformLocations:function(t,e){return{uMatrix:t.getUniformLocation(e,"uMatrix"),uOpaque:t.getUniformLocation(e,"uOpaque"),uHalfSize:t.getUniformLocation(e,"uHalfSize"),uSize:t.getUniformLocation(e,"uSize")}},sendUniformData:function(t,e){t.uniform1fv(e.uMatrix,this.matrix)},toObject:function(){return i(this.callSuper("toObject"),{opaque:this.opaque,matrix:this.matrix})}}),e.Image.filters.Convolute.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Grayscale=r(i.BaseFilter,{type:"Grayscale",fragmentSource:{average:"precision highp float;\nuniform sampler2D uTexture;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nfloat average = (color.r + color.b + color.g) / 3.0;\ngl_FragColor = vec4(average, average, average, color.a);\n}",lightness:"precision highp float;\nuniform sampler2D uTexture;\nuniform int uMode;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 col = texture2D(uTexture, vTexCoord);\nfloat average = (max(max(col.r, col.g),col.b) + min(min(col.r, col.g),col.b)) / 2.0;\ngl_FragColor = vec4(average, average, average, col.a);\n}",luminosity:"precision highp float;\nuniform sampler2D uTexture;\nuniform int uMode;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 col = texture2D(uTexture, vTexCoord);\nfloat average = 0.21 * col.r + 0.72 * col.g + 0.07 * col.b;\ngl_FragColor = vec4(average, average, average, col.a);\n}"},mode:"average",mainParameter:"mode",applyTo2d:function(t){var e,i,r=t.imageData.data,n=r.length,s=this.mode;for(e=0;e<n;e+=4)"average"===s?i=(r[e]+r[e+1]+r[e+2])/3:"lightness"===s?i=(Math.min(r[e],r[e+1],r[e+2])+Math.max(r[e],r[e+1],r[e+2]))/2:"luminosity"===s&&(i=.21*r[e]+.72*r[e+1]+.07*r[e+2]),r[e]=i,r[e+1]=i,r[e+2]=i},retrieveShader:function(t){var e=this.type+"_"+this.mode;if(!t.programCache.hasOwnProperty(e)){var i=this.fragmentSource[this.mode];t.programCache[e]=this.createProgram(t.context,i)}return t.programCache[e]},getUniformLocations:function(t,e){return{uMode:t.getUniformLocation(e,"uMode")}},sendUniformData:function(t,e){t.uniform1i(e.uMode,1)},isNeutralState:function(){return!1}}),e.Image.filters.Grayscale.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Invert=r(i.BaseFilter,{type:"Invert",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform int uInvert;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nif (uInvert == 1) {\ngl_FragColor = vec4(1.0 - color.r,1.0 -color.g,1.0 -color.b,color.a);\n} else {\ngl_FragColor = color;\n}\n}",invert:!0,mainParameter:"invert",applyTo2d:function(t){var e,i=t.imageData.data,r=i.length;for(e=0;e<r;e+=4)i[e]=255-i[e],i[e+1]=255-i[e+1],i[e+2]=255-i[e+2]},isNeutralState:function(){return!this.invert},getUniformLocations:function(t,e){return{uInvert:t.getUniformLocation(e,"uInvert")}},sendUniformData:function(t,e){t.uniform1i(e.uInvert,this.invert)}}),e.Image.filters.Invert.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,r=e.Image.filters,n=e.util.createClass;r.Noise=n(r.BaseFilter,{type:"Noise",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uStepH;\nuniform float uNoise;\nuniform float uSeed;\nvarying vec2 vTexCoord;\nfloat rand(vec2 co, float seed, float vScale) {\nreturn fract(sin(dot(co.xy * vScale ,vec2(12.9898 , 78.233))) * 43758.5453 * (seed + 0.01) / 2.0);\n}\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\ncolor.rgb += (0.5 - rand(vTexCoord, uSeed, 0.1 / uStepH)) * uNoise;\ngl_FragColor = color;\n}",mainParameter:"noise",noise:0,applyTo2d:function(t){if(0!==this.noise){var e,i,r=t.imageData.data,n=r.length,s=this.noise;for(e=0,n=r.length;e<n;e+=4)i=(.5-Math.random())*s,r[e]+=i,r[e+1]+=i,r[e+2]+=i}},getUniformLocations:function(t,e){return{uNoise:t.getUniformLocation(e,"uNoise"),uSeed:t.getUniformLocation(e,"uSeed")}},sendUniformData:function(t,e){t.uniform1f(e.uNoise,this.noise/255),t.uniform1f(e.uSeed,Math.random())},toObject:function(){return i(this.callSuper("toObject"),{noise:this.noise})}}),e.Image.filters.Noise.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Pixelate=r(i.BaseFilter,{type:"Pixelate",blocksize:4,mainParameter:"blocksize",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uBlocksize;\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nfloat blockW = uBlocksize * uStepW;\nfloat blockH = uBlocksize * uStepW;\nint posX = int(vTexCoord.x / blockW);\nint posY = int(vTexCoord.y / blockH);\nfloat fposX = float(posX);\nfloat fposY = float(posY);\nvec2 squareCoords = vec2(fposX * blockW, fposY * blockH);\nvec4 color = texture2D(uTexture, squareCoords);\ngl_FragColor = color;\n}",applyTo2d:function(t){var e,i,r,n,s,o,a,c,h,l,u,f=t.imageData,d=f.data,g=f.height,p=f.width;for(i=0;i<g;i+=this.blocksize)for(r=0;r<p;r+=this.blocksize)for(n=d[e=4*i*p+4*r],s=d[e+1],o=d[e+2],a=d[e+3],l=Math.min(i+this.blocksize,g),u=Math.min(r+this.blocksize,p),c=i;c<l;c++)for(h=r;h<u;h++)d[e=4*c*p+4*h]=n,d[e+1]=s,d[e+2]=o,d[e+3]=a},isNeutralState:function(){return 1===this.blocksize},getUniformLocations:function(t,e){return{uBlocksize:t.getUniformLocation(e,"uBlocksize"),uStepW:t.getUniformLocation(e,"uStepW"),uStepH:t.getUniformLocation(e,"uStepH")}},sendUniformData:function(t,e){t.uniform1f(e.uBlocksize,this.blocksize)}}),e.Image.filters.Pixelate.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,r=e.Image.filters,n=e.util.createClass;r.RemoveColor=n(r.BaseFilter,{type:"RemoveColor",color:"#FFFFFF",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec4 uLow;\nuniform vec4 uHigh;\nvarying vec2 vTexCoord;\nvoid main() {\ngl_FragColor = texture2D(uTexture, vTexCoord);\nif(all(greaterThan(gl_FragColor.rgb,uLow.rgb)) && all(greaterThan(uHigh.rgb,gl_FragColor.rgb))) {\ngl_FragColor.a = 0.0;\n}\n}",distance:.02,useAlpha:!1,applyTo2d:function(t){var i,r,n,s,o=t.imageData.data,a=255*this.distance,c=new e.Color(this.color).getSource(),h=[c[0]-a,c[1]-a,c[2]-a],l=[c[0]+a,c[1]+a,c[2]+a];for(i=0;i<o.length;i+=4)r=o[i],n=o[i+1],s=o[i+2],r>h[0]&&n>h[1]&&s>h[2]&&r<l[0]&&n<l[1]&&s<l[2]&&(o[i+3]=0)},getUniformLocations:function(t,e){return{uLow:t.getUniformLocation(e,"uLow"),uHigh:t.getUniformLocation(e,"uHigh")}},sendUniformData:function(t,i){var r=new e.Color(this.color).getSource(),n=parseFloat(this.distance),s=[0+r[0]/255-n,0+r[1]/255-n,0+r[2]/255-n,1],o=[r[0]/255+n,r[1]/255+n,r[2]/255+n,1];t.uniform4fv(i.uLow,s),t.uniform4fv(i.uHigh,o)},toObject:function(){return i(this.callSuper("toObject"),{color:this.color,distance:this.distance})}}),e.Image.filters.RemoveColor.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass,n={Brownie:[.5997,.34553,-.27082,0,.186,-.0377,.86095,.15059,0,-.1449,.24113,-.07441,.44972,0,-.02965,0,0,0,1,0],Vintage:[.62793,.32021,-.03965,0,.03784,.02578,.64411,.03259,0,.02926,.0466,-.08512,.52416,0,.02023,0,0,0,1,0],Kodachrome:[1.12855,-.39673,-.03992,0,.24991,-.16404,1.08352,-.05498,0,.09698,-.16786,-.56034,1.60148,0,.13972,0,0,0,1,0],Technicolor:[1.91252,-.85453,-.09155,0,.04624,-.30878,1.76589,-.10601,0,-.27589,-.2311,-.75018,1.84759,0,.12137,0,0,0,1,0],Polaroid:[1.438,-.062,-.062,0,0,-.122,1.378,-.122,0,0,-.016,-.016,1.483,0,0,0,0,0,1,0],Sepia:[.393,.769,.189,0,0,.349,.686,.168,0,0,.272,.534,.131,0,0,0,0,0,1,0],BlackWhite:[1.5,1.5,1.5,0,-1,1.5,1.5,1.5,0,-1,1.5,1.5,1.5,0,-1,0,0,0,1,0]};for(var s in n)i[s]=r(i.ColorMatrix,{type:s,matrix:n[s],mainParameter:!1,colorsOnly:!0}),e.Image.filters[s].fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric,i=e.Image.filters,r=e.util.createClass;i.BlendColor=r(i.BaseFilter,{type:"BlendColor",color:"#F95C63",mode:"multiply",alpha:1,fragmentSource:{multiply:"gl_FragColor.rgb *= uColor.rgb;\n",screen:"gl_FragColor.rgb = 1.0 - (1.0 - gl_FragColor.rgb) * (1.0 - uColor.rgb);\n",add:"gl_FragColor.rgb += uColor.rgb;\n",diff:"gl_FragColor.rgb = abs(gl_FragColor.rgb - uColor.rgb);\n",subtract:"gl_FragColor.rgb -= uColor.rgb;\n",lighten:"gl_FragColor.rgb = max(gl_FragColor.rgb, uColor.rgb);\n",darken:"gl_FragColor.rgb = min(gl_FragColor.rgb, uColor.rgb);\n",exclusion:"gl_FragColor.rgb += uColor.rgb - 2.0 * (uColor.rgb * gl_FragColor.rgb);\n",overlay:"if (uColor.r < 0.5) {\ngl_FragColor.r *= 2.0 * uColor.r;\n} else {\ngl_FragColor.r = 1.0 - 2.0 * (1.0 - gl_FragColor.r) * (1.0 - uColor.r);\n}\nif (uColor.g < 0.5) {\ngl_FragColor.g *= 2.0 * uColor.g;\n} else {\ngl_FragColor.g = 1.0 - 2.0 * (1.0 - gl_FragColor.g) * (1.0 - uColor.g);\n}\nif (uColor.b < 0.5) {\ngl_FragColor.b *= 2.0 * uColor.b;\n} else {\ngl_FragColor.b = 1.0 - 2.0 * (1.0 - gl_FragColor.b) * (1.0 - uColor.b);\n}\n",tint:"gl_FragColor.rgb *= (1.0 - uColor.a);\ngl_FragColor.rgb += uColor.rgb;\n"},buildSource:function(t){return"precision highp float;\nuniform sampler2D uTexture;\nuniform vec4 uColor;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\ngl_FragColor = color;\nif (color.a > 0.0) {\n"+this.fragmentSource[t]+"}\n}"},retrieveShader:function(t){var e,i=this.type+"_"+this.mode;return t.programCache.hasOwnProperty(i)||(e=this.buildSource(this.mode),t.programCache[i]=this.createProgram(t.context,e)),t.programCache[i]},applyTo2d:function(t){var i,r,n,s,o,a,c,h=t.imageData.data,l=h.length,u=1-this.alpha;i=(c=new e.Color(this.color).getSource())[0]*this.alpha,r=c[1]*this.alpha,n=c[2]*this.alpha;for(var f=0;f<l;f+=4)switch(s=h[f],o=h[f+1],a=h[f+2],this.mode){case"multiply":h[f]=s*i/255,h[f+1]=o*r/255,h[f+2]=a*n/255;break;case"screen":h[f]=255-(255-s)*(255-i)/255,h[f+1]=255-(255-o)*(255-r)/255,h[f+2]=255-(255-a)*(255-n)/255;break;case"add":h[f]=s+i,h[f+1]=o+r,h[f+2]=a+n;break;case"diff":case"difference":h[f]=Math.abs(s-i),h[f+1]=Math.abs(o-r),h[f+2]=Math.abs(a-n);break;case"subtract":h[f]=s-i,h[f+1]=o-r,h[f+2]=a-n;break;case"darken":h[f]=Math.min(s,i),h[f+1]=Math.min(o,r),h[f+2]=Math.min(a,n);break;case"lighten":h[f]=Math.max(s,i),h[f+1]=Math.max(o,r),h[f+2]=Math.max(a,n);break;case"overlay":h[f]=i<128?2*s*i/255:255-2*(255-s)*(255-i)/255,h[f+1]=r<128?2*o*r/255:255-2*(255-o)*(255-r)/255,h[f+2]=n<128?2*a*n/255:255-2*(255-a)*(255-n)/255;break;case"exclusion":h[f]=i+s-2*i*s/255,h[f+1]=r+o-2*r*o/255,h[f+2]=n+a-2*n*a/255;break;case"tint":h[f]=i+s*u,h[f+1]=r+o*u,h[f+2]=n+a*u}},getUniformLocations:function(t,e){return{uColor:t.getUniformLocation(e,"uColor")}},sendUniformData:function(t,i){var r=new e.Color(this.color).getSource();r[0]=this.alpha*r[0]/255,r[1]=this.alpha*r[1]/255,r[2]=this.alpha*r[2]/255,r[3]=this.alpha,t.uniform4fv(i.uColor,r)},toObject:function(){return{type:this.type,color:this.color,mode:this.mode,alpha:this.alpha}}}),e.Image.filters.BlendColor.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric,i=e.Image.filters,r=e.util.createClass;i.BlendImage=r(i.BaseFilter,{type:"BlendImage",image:null,mode:"multiply",alpha:1,vertexSource:"attribute vec2 aPosition;\nvarying vec2 vTexCoord;\nvarying vec2 vTexCoord2;\nuniform mat3 uTransformMatrix;\nvoid main() {\nvTexCoord = aPosition;\nvTexCoord2 = (uTransformMatrix * vec3(aPosition, 1.0)).xy;\ngl_Position = vec4(aPosition * 2.0 - 1.0, 0.0, 1.0);\n}",fragmentSource:{multiply:"precision highp float;\nuniform sampler2D uTexture;\nuniform sampler2D uImage;\nuniform vec4 uColor;\nvarying vec2 vTexCoord;\nvarying vec2 vTexCoord2;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nvec4 color2 = texture2D(uImage, vTexCoord2);\ncolor.rgba *= color2.rgba;\ngl_FragColor = color;\n}",mask:"precision highp float;\nuniform sampler2D uTexture;\nuniform sampler2D uImage;\nuniform vec4 uColor;\nvarying vec2 vTexCoord;\nvarying vec2 vTexCoord2;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nvec4 color2 = texture2D(uImage, vTexCoord2);\ncolor.a = color2.a;\ngl_FragColor = color;\n}"},retrieveShader:function(t){var e=this.type+"_"+this.mode,i=this.fragmentSource[this.mode];return t.programCache.hasOwnProperty(e)||(t.programCache[e]=this.createProgram(t.context,i)),t.programCache[e]},applyToWebGL:function(t){var e=t.context,i=this.createTexture(t.filterBackend,this.image);this.bindAdditionalTexture(e,i,e.TEXTURE1),this.callSuper("applyToWebGL",t),this.unbindAdditionalTexture(e,e.TEXTURE1)},createTexture:function(t,e){return t.getCachedTexture(e.cacheKey,e._element)},calculateMatrix:function(){var t=this.image,e=t._element.width,i=t._element.height;return[1/t.scaleX,0,0,0,1/t.scaleY,0,-t.left/e,-t.top/i,1]},applyTo2d:function(t){var i,r,n,s,o,a,c,h,l,u,f,d=t.imageData,g=t.filterBackend.resources,p=d.data,v=p.length,m=d.width,b=d.height,y=this.image;g.blendImage||(g.blendImage=e.util.createCanvasElement()),u=(l=g.blendImage).getContext("2d"),l.width!==m||l.height!==b?(l.width=m,l.height=b):u.clearRect(0,0,m,b),u.setTransform(y.scaleX,0,0,y.scaleY,y.left,y.top),u.drawImage(y._element,0,0,m,b),f=u.getImageData(0,0,m,b).data;for(var _=0;_<v;_+=4)switch(o=p[_],a=p[_+1],c=p[_+2],h=p[_+3],i=f[_],r=f[_+1],n=f[_+2],s=f[_+3],this.mode){case"multiply":p[_]=o*i/255,p[_+1]=a*r/255,p[_+2]=c*n/255,p[_+3]=h*s/255;break;case"mask":p[_+3]=s}},getUniformLocations:function(t,e){return{uTransformMatrix:t.getUniformLocation(e,"uTransformMatrix"),uImage:t.getUniformLocation(e,"uImage")}},sendUniformData:function(t,e){var i=this.calculateMatrix();t.uniform1i(e.uImage,1),t.uniformMatrix3fv(e.uTransformMatrix,!1,i)},toObject:function(){return{type:this.type,image:this.image&&this.image.toObject(),mode:this.mode,alpha:this.alpha}}}),e.Image.filters.BlendImage.fromObject=function(t,i){e.Image.fromObject(t.image,function(r){var n=e.util.object.clone(t);n.image=r,i(new e.Image.filters.BlendImage(n))})}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=Math.pow,r=Math.floor,n=Math.sqrt,s=Math.abs,o=Math.round,a=Math.sin,c=Math.ceil,h=e.Image.filters,l=e.util.createClass;h.Resize=l(h.BaseFilter,{type:"Resize",resizeType:"hermite",scaleX:1,scaleY:1,lanczosLobes:3,getUniformLocations:function(t,e){return{uDelta:t.getUniformLocation(e,"uDelta"),uTaps:t.getUniformLocation(e,"uTaps")}},sendUniformData:function(t,e){t.uniform2fv(e.uDelta,this.horizontal?[1/this.width,0]:[0,1/this.height]),t.uniform1fv(e.uTaps,this.taps)},retrieveShader:function(t){var e=this.getFilterWindow(),i=this.type+"_"+e;if(!t.programCache.hasOwnProperty(i)){var r=this.generateShader(e);t.programCache[i]=this.createProgram(t.context,r)}return t.programCache[i]},getFilterWindow:function(){var t=this.tempScale;return Math.ceil(this.lanczosLobes/t)},getTaps:function(){for(var t=this.lanczosCreate(this.lanczosLobes),e=this.tempScale,i=this.getFilterWindow(),r=new Array(i),n=1;n<=i;n++)r[n-1]=t(n*e);return r},generateShader:function(t){for(var e=new Array(t),i=this.fragmentSourceTOP,r=1;r<=t;r++)e[r-1]=r+".0 * uDelta";return i+="uniform float uTaps["+t+"];\n",i+="void main() {\n",i+="  vec4 color = texture2D(uTexture, vTexCoord);\n",i+="  float sum = 1.0;\n",e.forEach(function(t,e){i+="  color += texture2D(uTexture, vTexCoord + "+t+") * uTaps["+e+"];\n",i+="  color += texture2D(uTexture, vTexCoord - "+t+") * uTaps["+e+"];\n",i+="  sum += 2.0 * uTaps["+e+"];\n"}),i+="  gl_FragColor = color / sum;\n",i+="}"},fragmentSourceTOP:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec2 uDelta;\nvarying vec2 vTexCoord;\n",applyTo:function(t){t.webgl?(t.passes++,this.width=t.sourceWidth,this.horizontal=!0,this.dW=Math.round(this.width*this.scaleX),this.dH=t.sourceHeight,this.tempScale=this.dW/this.width,this.taps=this.getTaps(),t.destinationWidth=this.dW,this._setupFrameBuffer(t),this.applyToWebGL(t),this._swapTextures(t),t.sourceWidth=t.destinationWidth,this.height=t.sourceHeight,this.horizontal=!1,this.dH=Math.round(this.height*this.scaleY),this.tempScale=this.dH/this.height,this.taps=this.getTaps(),t.destinationHeight=this.dH,this._setupFrameBuffer(t),this.applyToWebGL(t),this._swapTextures(t),t.sourceHeight=t.destinationHeight):this.applyTo2d(t)},isNeutralState:function(){return 1===this.scaleX&&1===this.scaleY},lanczosCreate:function(t){return function(e){if(e>=t||e<=-t)return 0;if(e<1.1920929e-7&&e>-1.1920929e-7)return 1;var i=(e*=Math.PI)/t;return a(e)/e*a(i)/i}},applyTo2d:function(t){var e=t.imageData,i=this.scaleX,r=this.scaleY;this.rcpScaleX=1/i,this.rcpScaleY=1/r;var n,s=e.width,a=e.height,c=o(s*i),h=o(a*r);"sliceHack"===this.resizeType?n=this.sliceByTwo(t,s,a,c,h):"hermite"===this.resizeType?n=this.hermiteFastResize(t,s,a,c,h):"bilinear"===this.resizeType?n=this.bilinearFiltering(t,s,a,c,h):"lanczos"===this.resizeType&&(n=this.lanczosResize(t,s,a,c,h)),t.imageData=n},sliceByTwo:function(t,i,n,s,o){var a,c,h=t.imageData,l=!1,u=!1,f=.5*i,d=.5*n,g=e.filterBackend.resources,p=0,v=0,m=i,b=0;for(g.sliceByTwo||(g.sliceByTwo=document.createElement("canvas")),((a=g.sliceByTwo).width<1.5*i||a.height<n)&&(a.width=1.5*i,a.height=n),(c=a.getContext("2d")).clearRect(0,0,1.5*i,n),c.putImageData(h,0,0),s=r(s),o=r(o);!l||!u;)i=f,n=d,s<r(.5*f)?f=r(.5*f):(f=s,l=!0),o<r(.5*d)?d=r(.5*d):(d=o,u=!0),c.drawImage(a,p,v,i,n,m,b,f,d),p=m,v=b,b+=d;return c.getImageData(p,v,s,o)},lanczosResize:function(t,e,o,a,h){var l=t.imageData.data,u=t.ctx.createImageData(a,h),f=u.data,d=this.lanczosCreate(this.lanczosLobes),g=this.rcpScaleX,p=this.rcpScaleY,v=2/this.rcpScaleX,m=2/this.rcpScaleY,b=c(g*this.lanczosLobes/2),y=c(p*this.lanczosLobes/2),_={},x={},C={};return function t(c){var S,T,w,O,k,P,E,A,D,j,M;for(x.x=(c+.5)*g,C.x=r(x.x),S=0;S<h;S++){for(x.y=(S+.5)*p,C.y=r(x.y),k=0,P=0,E=0,A=0,D=0,T=C.x-b;T<=C.x+b;T++)if(!(T<0||T>=e)){j=r(1e3*s(T-x.x)),_[j]||(_[j]={});for(var F=C.y-y;F<=C.y+y;F++)F<0||F>=o||(M=r(1e3*s(F-x.y)),_[j][M]||(_[j][M]=d(n(i(j*v,2)+i(M*m,2))/1e3)),(w=_[j][M])>0&&(k+=w,P+=w*l[O=4*(F*e+T)],E+=w*l[O+1],A+=w*l[O+2],D+=w*l[O+3]))}f[O=4*(S*a+c)]=P/k,f[O+1]=E/k,f[O+2]=A/k,f[O+3]=D/k}return++c<a?t(c):u}(0)},bilinearFiltering:function(t,e,i,n,s){var o,a,c,h,l,u,f,d,g,p=0,v=this.rcpScaleX,m=this.rcpScaleY,b=4*(e-1),y=t.imageData.data,_=t.ctx.createImageData(n,s),x=_.data;for(c=0;c<s;c++)for(h=0;h<n;h++)for(l=v*h-(o=r(v*h)),u=m*c-(a=r(m*c)),g=4*(a*e+o),f=0;f<4;f++)d=y[g+f]*(1-l)*(1-u)+y[g+4+f]*l*(1-u)+y[g+b+f]*u*(1-l)+y[g+b+4+f]*l*u,x[p++]=d;return _},hermiteFastResize:function(t,e,i,o,a){for(var h=this.rcpScaleX,l=this.rcpScaleY,u=c(h/2),f=c(l/2),d=t.imageData.data,g=t.ctx.createImageData(o,a),p=g.data,v=0;v<a;v++)for(var m=0;m<o;m++){for(var b=4*(m+v*o),y=0,_=0,x=0,C=0,S=0,T=0,w=0,O=(v+.5)*l,k=r(v*l);k<(v+1)*l;k++)for(var P=s(O-(k+.5))/f,E=(m+.5)*h,A=P*P,D=r(m*h);D<(m+1)*h;D++){var j=s(E-(D+.5))/u,M=n(A+j*j);M>1&&M<-1||(y=2*M*M*M-3*M*M+1)>0&&(w+=y*d[(j=4*(D+k*e))+3],x+=y,d[j+3]<255&&(y=y*d[j+3]/250),C+=y*d[j],S+=y*d[j+1],T+=y*d[j+2],_+=y)}p[b]=C/_,p[b+1]=S/_,p[b+2]=T/_,p[b+3]=w/x}return g},toObject:function(){return{type:this.type,scaleX:this.scaleX,scaleY:this.scaleY,resizeType:this.resizeType,lanczosLobes:this.lanczosLobes}}}),e.Image.filters.Resize.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Contrast=r(i.BaseFilter,{type:"Contrast",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uContrast;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nfloat contrastF = 1.015 * (uContrast + 1.0) / (1.0 * (1.015 - uContrast));\ncolor.rgb = contrastF * (color.rgb - 0.5) + 0.5;\ngl_FragColor = color;\n}",contrast:0,mainParameter:"contrast",applyTo2d:function(t){if(0!==this.contrast){var e,i=t.imageData.data,r=i.length,n=Math.floor(255*this.contrast),s=259*(n+255)/(255*(259-n));for(e=0;e<r;e+=4)i[e]=s*(i[e]-128)+128,i[e+1]=s*(i[e+1]-128)+128,i[e+2]=s*(i[e+2]-128)+128}},getUniformLocations:function(t,e){return{uContrast:t.getUniformLocation(e,"uContrast")}},sendUniformData:function(t,e){t.uniform1f(e.uContrast,this.contrast)}}),e.Image.filters.Contrast.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Saturation=r(i.BaseFilter,{type:"Saturation",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uSaturation;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nfloat rgMax = max(color.r, color.g);\nfloat rgbMax = max(rgMax, color.b);\ncolor.r += rgbMax != color.r ? (rgbMax - color.r) * uSaturation : 0.00;\ncolor.g += rgbMax != color.g ? (rgbMax - color.g) * uSaturation : 0.00;\ncolor.b += rgbMax != color.b ? (rgbMax - color.b) * uSaturation : 0.00;\ngl_FragColor = color;\n}",saturation:0,mainParameter:"saturation",applyTo2d:function(t){if(0!==this.saturation){var e,i,r=t.imageData.data,n=r.length,s=-this.saturation;for(e=0;e<n;e+=4)i=Math.max(r[e],r[e+1],r[e+2]),r[e]+=i!==r[e]?(i-r[e])*s:0,r[e+1]+=i!==r[e+1]?(i-r[e+1])*s:0,r[e+2]+=i!==r[e+2]?(i-r[e+2])*s:0}},getUniformLocations:function(t,e){return{uSaturation:t.getUniformLocation(e,"uSaturation")}},sendUniformData:function(t,e){t.uniform1f(e.uSaturation,-this.saturation)}}),e.Image.filters.Saturation.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Vibrance=r(i.BaseFilter,{type:"Vibrance",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uVibrance;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nfloat max = max(color.r, max(color.g, color.b));\nfloat avg = (color.r + color.g + color.b) / 3.0;\nfloat amt = (abs(max - avg) * 2.0) * uVibrance;\ncolor.r += max != color.r ? (max - color.r) * amt : 0.00;\ncolor.g += max != color.g ? (max - color.g) * amt : 0.00;\ncolor.b += max != color.b ? (max - color.b) * amt : 0.00;\ngl_FragColor = color;\n}",vibrance:0,mainParameter:"vibrance",applyTo2d:function(t){if(0!==this.vibrance){var e,i,r,n,s=t.imageData.data,o=s.length,a=-this.vibrance;for(e=0;e<o;e+=4)i=Math.max(s[e],s[e+1],s[e+2]),r=(s[e]+s[e+1]+s[e+2])/3,n=2*Math.abs(i-r)/255*a,s[e]+=i!==s[e]?(i-s[e])*n:0,s[e+1]+=i!==s[e+1]?(i-s[e+1])*n:0,s[e+2]+=i!==s[e+2]?(i-s[e+2])*n:0}},getUniformLocations:function(t,e){return{uVibrance:t.getUniformLocation(e,"uVibrance")}},sendUniformData:function(t,e){t.uniform1f(e.uVibrance,-this.vibrance)}}),e.Image.filters.Vibrance.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Blur=r(i.BaseFilter,{type:"Blur",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec2 uDelta;\nvarying vec2 vTexCoord;\nconst float nSamples = 15.0;\nvec3 v3offset = vec3(12.9898, 78.233, 151.7182);\nfloat random(vec3 scale) {\nreturn fract(sin(dot(gl_FragCoord.xyz, scale)) * 43758.5453);\n}\nvoid main() {\nvec4 color = vec4(0.0);\nfloat total = 0.0;\nfloat offset = random(v3offset);\nfor (float t = -nSamples; t <= nSamples; t++) {\nfloat percent = (t + offset - 0.5) / nSamples;\nfloat weight = 1.0 - abs(percent);\ncolor += texture2D(uTexture, vTexCoord + uDelta * percent) * weight;\ntotal += weight;\n}\ngl_FragColor = color / total;\n}",blur:0,mainParameter:"blur",applyTo:function(t){t.webgl?(this.aspectRatio=t.sourceWidth/t.sourceHeight,t.passes++,this._setupFrameBuffer(t),this.horizontal=!0,this.applyToWebGL(t),this._swapTextures(t),this._setupFrameBuffer(t),this.horizontal=!1,this.applyToWebGL(t),this._swapTextures(t)):this.applyTo2d(t)},applyTo2d:function(t){t.imageData=this.simpleBlur(t)},simpleBlur:function(t){var i,r,n=t.filterBackend.resources,s=t.imageData.width,o=t.imageData.height;n.blurLayer1||(n.blurLayer1=e.util.createCanvasElement(),n.blurLayer2=e.util.createCanvasElement()),i=n.blurLayer1,r=n.blurLayer2,i.width===s&&i.height===o||(r.width=i.width=s,r.height=i.height=o);var a,c,h,l,u=i.getContext("2d"),f=r.getContext("2d"),d=.06*this.blur*.5;for(u.putImageData(t.imageData,0,0),f.clearRect(0,0,s,o),l=-15;l<=15;l++)h=d*(c=l/15)*s+(a=(Math.random()-.5)/4),f.globalAlpha=1-Math.abs(c),f.drawImage(i,h,a),u.drawImage(r,0,0),f.globalAlpha=1,f.clearRect(0,0,r.width,r.height);for(l=-15;l<=15;l++)h=d*(c=l/15)*o+(a=(Math.random()-.5)/4),f.globalAlpha=1-Math.abs(c),f.drawImage(i,a,h),u.drawImage(r,0,0),f.globalAlpha=1,f.clearRect(0,0,r.width,r.height);t.ctx.drawImage(i,0,0);var g=t.ctx.getImageData(0,0,i.width,i.height);return u.globalAlpha=1,u.clearRect(0,0,i.width,i.height),g},getUniformLocations:function(t,e){return{delta:t.getUniformLocation(e,"uDelta")}},sendUniformData:function(t,e){var i=this.chooseRightDelta();t.uniform2fv(e.delta,i)},chooseRightDelta:function(){var t,e=1,i=[0,0];return this.horizontal?this.aspectRatio>1&&(e=1/this.aspectRatio):this.aspectRatio<1&&(e=this.aspectRatio),t=e*this.blur*.12,this.horizontal?i[0]=t:i[1]=t,i}}),i.Blur.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Gamma=r(i.BaseFilter,{type:"Gamma",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec3 uGamma;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nvec3 correction = (1.0 / uGamma);\ncolor.r = pow(color.r, correction.r);\ncolor.g = pow(color.g, correction.g);\ncolor.b = pow(color.b, correction.b);\ngl_FragColor = color;\ngl_FragColor.rgb *= color.a;\n}",gamma:[1,1,1],mainParameter:"gamma",initialize:function(t){this.gamma=[1,1,1],i.BaseFilter.prototype.initialize.call(this,t)},applyTo2d:function(t){var e,i=t.imageData.data,r=this.gamma,n=i.length,s=1/r[0],o=1/r[1],a=1/r[2];for(this.rVals||(this.rVals=new Uint8Array(256),this.gVals=new Uint8Array(256),this.bVals=new Uint8Array(256)),e=0,n=256;e<n;e++)this.rVals[e]=255*Math.pow(e/255,s),this.gVals[e]=255*Math.pow(e/255,o),this.bVals[e]=255*Math.pow(e/255,a);for(e=0,n=i.length;e<n;e+=4)i[e]=this.rVals[i[e]],i[e+1]=this.gVals[i[e+1]],i[e+2]=this.bVals[i[e+2]]},getUniformLocations:function(t,e){return{uGamma:t.getUniformLocation(e,"uGamma")}},sendUniformData:function(t,e){t.uniform3fv(e.uGamma,this.gamma)}}),e.Image.filters.Gamma.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Composed=r(i.BaseFilter,{type:"Composed",subFilters:[],initialize:function(t){this.callSuper("initialize",t),this.subFilters=this.subFilters.slice(0)},applyTo:function(t){t.passes+=this.subFilters.length-1,this.subFilters.forEach(function(e){e.applyTo(t)})},toObject:function(){return e.util.object.extend(this.callSuper("toObject"),{subFilters:this.subFilters.map(function(t){return t.toObject()})})},isNeutralState:function(){return!this.subFilters.some(function(t){return!t.isNeutralState()})}}),e.Image.filters.Composed.fromObject=function(t,i){var r=(t.subFilters||[]).map(function(t){return new e.Image.filters[t.type](t)}),n=new e.Image.filters.Composed({subFilters:r});return i&&i(n),n}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.HueRotation=r(i.ColorMatrix,{type:"HueRotation",rotation:0,mainParameter:"rotation",calculateMatrix:function(){var t=this.rotation*Math.PI,i=e.util.cos(t),r=e.util.sin(t),n=Math.sqrt(1/3)*r,s=1-i;this.matrix=[1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0],this.matrix[0]=i+s/3,this.matrix[1]=1/3*s-n,this.matrix[2]=1/3*s+n,this.matrix[5]=1/3*s+n,this.matrix[6]=i+1/3*s,this.matrix[7]=1/3*s-n,this.matrix[10]=1/3*s-n,this.matrix[11]=1/3*s+n,this.matrix[12]=i+1/3*s},isNeutralState:function(t){return this.calculateMatrix(),i.BaseFilter.prototype.isNeutralState.call(this,t)},applyTo:function(t){this.calculateMatrix(),i.BaseFilter.prototype.applyTo.call(this,t)}}),e.Image.filters.HueRotation.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.clone;if(e.Text)e.warn("fabric.Text is already defined");else{var r="fontFamily fontWeight fontSize text underline overline linethrough textAlign fontStyle lineHeight textBackgroundColor charSpacing styles direction path pathStartOffset pathSide pathAlign".split(" ");e.Text=e.util.createClass(e.Object,{_dimensionAffectingProps:["fontSize","fontWeight","fontFamily","fontStyle","lineHeight","text","charSpacing","textAlign","styles","path","pathStartOffset","pathSide","pathAlign"],_reNewline:/\r?\n/,_reSpacesAndTabs:/[ \t\r]/g,_reSpaceAndTab:/[ \t\r]/,_reWords:/\S+/g,type:"text",fontSize:40,fontWeight:"normal",fontFamily:"Times New Roman",underline:!1,overline:!1,linethrough:!1,textAlign:"left",fontStyle:"normal",lineHeight:1.16,superscript:{size:.6,baseline:-.35},subscript:{size:.6,baseline:.11},textBackgroundColor:"",stateProperties:e.Object.prototype.stateProperties.concat(r),cacheProperties:e.Object.prototype.cacheProperties.concat(r),stroke:null,shadow:null,path:null,pathStartOffset:0,pathSide:"left",pathAlign:"baseline",_fontSizeFraction:.222,offsets:{underline:.1,linethrough:-.315,overline:-.88},_fontSizeMult:1.13,charSpacing:0,styles:null,_measuringContext:null,deltaY:0,direction:"ltr",_styleProperties:["stroke","strokeWidth","fill","fontFamily","fontSize","fontWeight","fontStyle","underline","overline","linethrough","deltaY","textBackgroundColor"],__charBounds:[],CACHE_FONT_SIZE:400,MIN_TEXT_WIDTH:2,initialize:function(t,e){this.styles=e&&e.styles||{},this.text=t,this.__skipDimension=!0,this.callSuper("initialize",e),this.path&&this.setPathInfo(),this.__skipDimension=!1,this.initDimensions(),this.setCoords(),this.setupState({propertySet:"_dimensionAffectingProps"})},setPathInfo:function(){var t=this.path;t&&(t.segmentsInfo=e.util.getPathSegmentsInfo(t.path))},getMeasuringContext:function(){return e._measuringContext||(e._measuringContext=this.canvas&&this.canvas.contextCache||e.util.createCanvasElement().getContext("2d")),e._measuringContext},_splitText:function(){var t=this._splitTextIntoLines(this.text);return this.textLines=t.lines,this._textLines=t.graphemeLines,this._unwrappedTextLines=t._unwrappedLines,this._text=t.graphemeText,t},initDimensions:function(){this.__skipDimension||(this._splitText(),this._clearCache(),this.path?(this.width=this.path.width,this.height=this.path.height):(this.width=this.calcTextWidth()||this.cursorWidth||this.MIN_TEXT_WIDTH,this.height=this.calcTextHeight()),-1!==this.textAlign.indexOf("justify")&&this.enlargeSpaces(),this.saveState({propertySet:"_dimensionAffectingProps"}))},enlargeSpaces:function(){for(var t,e,i,r,n,s,o,a=0,c=this._textLines.length;a<c;a++)if(("justify"===this.textAlign||a!==c-1&&!this.isEndOfWrapping(a))&&(r=0,n=this._textLines[a],(e=this.getLineWidth(a))<this.width&&(o=this.textLines[a].match(this._reSpacesAndTabs)))){i=o.length,t=(this.width-e)/i;for(var h=0,l=n.length;h<=l;h++)s=this.__charBounds[a][h],this._reSpaceAndTab.test(n[h])?(s.width+=t,s.kernedWidth+=t,s.left+=r,r+=t):s.left+=r}},isEndOfWrapping:function(t){return t===this._textLines.length-1},missingNewlineOffset:function(){return 1},toString:function(){return"#<fabric.Text ("+this.complexity()+'): { "text": "'+this.text+'", "fontFamily": "'+this.fontFamily+'" }>'},_getCacheCanvasDimensions:function(){var t=this.callSuper("_getCacheCanvasDimensions"),e=this.fontSize;return t.width+=e*t.zoomX,t.height+=e*t.zoomY,t},_render:function(t){var e=this.path;e&&!e.isNotVisible()&&e._render(t),this._setTextStyles(t),this._renderTextLinesBackground(t),this._renderTextDecoration(t,"underline"),this._renderText(t),this._renderTextDecoration(t,"overline"),this._renderTextDecoration(t,"linethrough")},_renderText:function(t){"stroke"===this.paintFirst?(this._renderTextStroke(t),this._renderTextFill(t)):(this._renderTextFill(t),this._renderTextStroke(t))},_setTextStyles:function(t,e,i){if(t.textBaseline="alphabetical",this.path)switch(this.pathAlign){case"center":t.textBaseline="middle";break;case"ascender":t.textBaseline="top";break;case"descender":t.textBaseline="bottom"}t.font=this._getFontDeclaration(e,i)},calcTextWidth:function(){for(var t=this.getLineWidth(0),e=1,i=this._textLines.length;e<i;e++){var r=this.getLineWidth(e);r>t&&(t=r)}return t},_renderTextLine:function(t,e,i,r,n,s){this._renderChars(t,e,i,r,n,s)},_renderTextLinesBackground:function(t){if(this.textBackgroundColor||this.styleHas("textBackgroundColor")){for(var e,i,r,n,s,o,a,c=t.fillStyle,h=this._getLeftOffset(),l=this._getTopOffset(),u=0,f=0,d=this.path,g=0,p=this._textLines.length;g<p;g++)if(e=this.getHeightOfLine(g),this.textBackgroundColor||this.styleHas("textBackgroundColor",g)){r=this._textLines[g],i=this._getLineLeftOffset(g),f=0,u=0,n=this.getValueOfPropertyAt(g,0,"textBackgroundColor");for(var v=0,m=r.length;v<m;v++)s=this.__charBounds[g][v],o=this.getValueOfPropertyAt(g,v,"textBackgroundColor"),d?(t.save(),t.translate(s.renderLeft,s.renderTop),t.rotate(s.angle),t.fillStyle=o,o&&t.fillRect(-s.width/2,-e/this.lineHeight*(1-this._fontSizeFraction),s.width,e/this.lineHeight),t.restore()):o!==n?(a=h+i+u,"rtl"===this.direction&&(a=this.width-a-f),t.fillStyle=n,n&&t.fillRect(a,l,f,e/this.lineHeight),u=s.left,f=s.width,n=o):f+=s.kernedWidth;o&&!d&&(a=h+i+u,"rtl"===this.direction&&(a=this.width-a-f),t.fillStyle=o,t.fillRect(a,l,f,e/this.lineHeight)),l+=e}else l+=e;t.fillStyle=c,this._removeShadow(t)}},getFontCache:function(t){var i=t.fontFamily.toLowerCase();e.charWidthsCache[i]||(e.charWidthsCache[i]={});var r=e.charWidthsCache[i],n=t.fontStyle.toLowerCase()+"_"+(t.fontWeight+"").toLowerCase();return r[n]||(r[n]={}),r[n]},_measureChar:function(t,e,i,r){var n,s,o,a,c=this.getFontCache(e),h=i+t,l=this._getFontDeclaration(e)===this._getFontDeclaration(r),u=e.fontSize/this.CACHE_FONT_SIZE;if(i&&void 0!==c[i]&&(o=c[i]),void 0!==c[t]&&(a=n=c[t]),l&&void 0!==c[h]&&(a=(s=c[h])-o),void 0===n||void 0===o||void 0===s){var f=this.getMeasuringContext();this._setTextStyles(f,e,!0)}return void 0===n&&(a=n=f.measureText(t).width,c[t]=n),void 0===o&&l&&i&&(o=f.measureText(i).width,c[i]=o),l&&void 0===s&&(s=f.measureText(h).width,c[h]=s,a=s-o),{width:n*u,kernedWidth:a*u}},getHeightOfChar:function(t,e){return this.getValueOfPropertyAt(t,e,"fontSize")},measureLine:function(t){var e=this._measureLine(t);return 0!==this.charSpacing&&(e.width-=this._getWidthOfCharSpacing()),e.width<0&&(e.width=0),e},_measureLine:function(t){var i,r,n,s,o,a,c=0,h=this._textLines[t],l=new Array(h.length),u=0,f=this.path,d="right"===this.pathSide;for(this.__charBounds[t]=l,i=0;i<h.length;i++)r=h[i],s=this._getGraphemeBox(r,t,i,n),l[i]=s,c+=s.kernedWidth,n=r;if(l[i]={left:s?s.left+s.width:0,width:0,kernedWidth:0,height:this.fontSize},f){switch(a=f.segmentsInfo[f.segmentsInfo.length-1].length,(o=e.util.getPointOnPath(f.path,0,f.segmentsInfo)).x+=f.pathOffset.x,o.y+=f.pathOffset.y,this.textAlign){case"left":u=d?a-c:0;break;case"center":u=(a-c)/2;break;case"right":u=d?0:a-c}for(u+=this.pathStartOffset*(d?-1:1),i=d?h.length-1:0;d?i>=0:i<h.length;d?i--:i++)s=l[i],u>a?u%=a:u<0&&(u+=a),this._setGraphemeOnPath(u,s,o),u+=s.kernedWidth}return{width:c,numOfSpaces:0}},_setGraphemeOnPath:function(t,i,r){var n=t+i.kernedWidth/2,s=this.path,o=e.util.getPointOnPath(s.path,n,s.segmentsInfo);i.renderLeft=o.x-r.x,i.renderTop=o.y-r.y,i.angle=o.angle+("right"===this.pathSide?Math.PI:0)},_getGraphemeBox:function(t,e,i,r,n){var s,o=this.getCompleteStyleDeclaration(e,i),a=r?this.getCompleteStyleDeclaration(e,i-1):{},c=this._measureChar(t,o,r,a),h=c.kernedWidth,l=c.width;0!==this.charSpacing&&(l+=s=this._getWidthOfCharSpacing(),h+=s);var u={width:l,left:0,height:o.fontSize,kernedWidth:h,deltaY:o.deltaY};if(i>0&&!n){var f=this.__charBounds[e][i-1];u.left=f.left+f.width+c.kernedWidth-c.width}return u},getHeightOfLine:function(t){if(this.__lineHeights[t])return this.__lineHeights[t];for(var e=this._textLines[t],i=this.getHeightOfChar(t,0),r=1,n=e.length;r<n;r++)i=Math.max(this.getHeightOfChar(t,r),i);return this.__lineHeights[t]=i*this.lineHeight*this._fontSizeMult},calcTextHeight:function(){for(var t,e=0,i=0,r=this._textLines.length;i<r;i++)t=this.getHeightOfLine(i),e+=i===r-1?t/this.lineHeight:t;return e},_getLeftOffset:function(){return"ltr"===this.direction?-this.width/2:this.width/2},_getTopOffset:function(){return-this.height/2},_renderTextCommon:function(t,e){t.save();for(var i=0,r=this._getLeftOffset(),n=this._getTopOffset(),s=0,o=this._textLines.length;s<o;s++){var a=this.getHeightOfLine(s),c=a/this.lineHeight,h=this._getLineLeftOffset(s);this._renderTextLine(e,t,this._textLines[s],r+h,n+i+c,s),i+=a}t.restore()},_renderTextFill:function(t){(this.fill||this.styleHas("fill"))&&this._renderTextCommon(t,"fillText")},_renderTextStroke:function(t){(this.stroke&&0!==this.strokeWidth||!this.isEmptyStyles())&&(this.shadow&&!this.shadow.affectStroke&&this._removeShadow(t),t.save(),this._setLineDash(t,this.strokeDashArray),t.beginPath(),this._renderTextCommon(t,"strokeText"),t.closePath(),t.restore())},_renderChars:function(t,i,r,n,s,o){var a,c,h,l,u,f=this.getHeightOfLine(o),d=-1!==this.textAlign.indexOf("justify"),g="",p=0,v=this.path,m=!d&&0===this.charSpacing&&this.isEmptyStyles(o)&&!v,b="ltr"===this.direction,y="ltr"===this.direction?1:-1,_=i.canvas.getAttribute("dir");if(i.save(),_!==this.direction&&(i.canvas.setAttribute("dir",b?"ltr":"rtl"),i.direction=b?"ltr":"rtl",i.textAlign=b?"left":"right"),s-=f*this._fontSizeFraction/this.lineHeight,m)return this._renderChar(t,i,o,0,r.join(""),n,s,f),void i.restore();for(var x=0,C=r.length-1;x<=C;x++)l=x===C||this.charSpacing||v,g+=r[x],h=this.__charBounds[o][x],0===p?(n+=y*(h.kernedWidth-h.width),p+=h.width):p+=h.kernedWidth,d&&!l&&this._reSpaceAndTab.test(r[x])&&(l=!0),l||(a=a||this.getCompleteStyleDeclaration(o,x),c=this.getCompleteStyleDeclaration(o,x+1),l=e.util.hasStyleChanged(a,c,!1)),l&&(v?(i.save(),i.translate(h.renderLeft,h.renderTop),i.rotate(h.angle),this._renderChar(t,i,o,x,g,-p/2,0,f),i.restore()):(u=n,this._renderChar(t,i,o,x,g,u,s,f)),g="",a=c,n+=y*p,p=0);i.restore()},_applyPatternGradientTransformText:function(t){var i,r=e.util.createCanvasElement(),n=this.width+this.strokeWidth,s=this.height+this.strokeWidth;return r.width=n,r.height=s,(i=r.getContext("2d")).beginPath(),i.moveTo(0,0),i.lineTo(n,0),i.lineTo(n,s),i.lineTo(0,s),i.closePath(),i.translate(n/2,s/2),i.fillStyle=t.toLive(i),this._applyPatternGradientTransform(i,t),i.fill(),i.createPattern(r,"no-repeat")},handleFiller:function(t,e,i){var r,n;return i.toLive?"percentage"===i.gradientUnits||i.gradientTransform||i.patternTransform?(r=-this.width/2,n=-this.height/2,t.translate(r,n),t[e]=this._applyPatternGradientTransformText(i),{offsetX:r,offsetY:n}):(t[e]=i.toLive(t,this),this._applyPatternGradientTransform(t,i)):(t[e]=i,{offsetX:0,offsetY:0})},_setStrokeStyles:function(t,e){return t.lineWidth=e.strokeWidth,t.lineCap=this.strokeLineCap,t.lineDashOffset=this.strokeDashOffset,t.lineJoin=this.strokeLineJoin,t.miterLimit=this.strokeMiterLimit,this.handleFiller(t,"strokeStyle",e.stroke)},_setFillStyles:function(t,e){return this.handleFiller(t,"fillStyle",e.fill)},_renderChar:function(t,e,i,r,n,s,o){var a,c,h=this._getStyleDeclaration(i,r),l=this.getCompleteStyleDeclaration(i,r),u="fillText"===t&&l.fill,f="strokeText"===t&&l.stroke&&l.strokeWidth;(f||u)&&(e.save(),u&&(a=this._setFillStyles(e,l)),f&&(c=this._setStrokeStyles(e,l)),e.font=this._getFontDeclaration(l),h&&h.textBackgroundColor&&this._removeShadow(e),h&&h.deltaY&&(o+=h.deltaY),u&&e.fillText(n,s-a.offsetX,o-a.offsetY),f&&e.strokeText(n,s-c.offsetX,o-c.offsetY),e.restore())},setSuperscript:function(t,e){return this._setScript(t,e,this.superscript)},setSubscript:function(t,e){return this._setScript(t,e,this.subscript)},_setScript:function(t,e,i){var r=this.get2DCursorLocation(t,!0),n=this.getValueOfPropertyAt(r.lineIndex,r.charIndex,"fontSize"),s=this.getValueOfPropertyAt(r.lineIndex,r.charIndex,"deltaY"),o={fontSize:n*i.size,deltaY:s+n*i.baseline};return this.setSelectionStyles(o,t,e),this},_getLineLeftOffset:function(t){var e=this.getLineWidth(t),i=this.width-e,r=this.textAlign,n=this.direction,s=0,o=this.isEndOfWrapping(t);return"justify"===r||"justify-center"===r&&!o||"justify-right"===r&&!o||"justify-left"===r&&!o?0:("center"===r&&(s=i/2),"right"===r&&(s=i),"justify-center"===r&&(s=i/2),"justify-right"===r&&(s=i),"rtl"===n&&(s-=i),s)},_clearCache:function(){this.__lineWidths=[],this.__lineHeights=[],this.__charBounds=[]},_shouldClearDimensionCache:function(){var t=this._forceClearCache;return t||(t=this.hasStateChanged("_dimensionAffectingProps")),t&&(this.dirty=!0,this._forceClearCache=!1),t},getLineWidth:function(t){if(void 0!==this.__lineWidths[t])return this.__lineWidths[t];var e=this.measureLine(t).width;return this.__lineWidths[t]=e,e},_getWidthOfCharSpacing:function(){return 0!==this.charSpacing?this.fontSize*this.charSpacing/1e3:0},getValueOfPropertyAt:function(t,e,i){var r=this._getStyleDeclaration(t,e);return r&&void 0!==r[i]?r[i]:this[i]},_renderTextDecoration:function(t,e){if(this[e]||this.styleHas(e)){for(var i,r,n,s,o,a,c,h,l,u,f,d,g,p,v,m,b=this._getLeftOffset(),y=this._getTopOffset(),_=this.path,x=this._getWidthOfCharSpacing(),C=this.offsets[e],S=0,T=this._textLines.length;S<T;S++)if(i=this.getHeightOfLine(S),this[e]||this.styleHas(e,S)){c=this._textLines[S],p=i/this.lineHeight,s=this._getLineLeftOffset(S),u=0,f=0,h=this.getValueOfPropertyAt(S,0,e),m=this.getValueOfPropertyAt(S,0,"fill"),l=y+p*(1-this._fontSizeFraction),r=this.getHeightOfChar(S,0),o=this.getValueOfPropertyAt(S,0,"deltaY");for(var w=0,O=c.length;w<O;w++)if(d=this.__charBounds[S][w],g=this.getValueOfPropertyAt(S,w,e),v=this.getValueOfPropertyAt(S,w,"fill"),n=this.getHeightOfChar(S,w),a=this.getValueOfPropertyAt(S,w,"deltaY"),_&&g&&v)t.save(),t.fillStyle=m,t.translate(d.renderLeft,d.renderTop),t.rotate(d.angle),t.fillRect(-d.kernedWidth/2,C*n+a,d.kernedWidth,this.fontSize/15),t.restore();else if((g!==h||v!==m||n!==r||a!==o)&&f>0){var k=b+s+u;"rtl"===this.direction&&(k=this.width-k-f),h&&m&&(t.fillStyle=m,t.fillRect(k,l+C*r+o,f,this.fontSize/15)),u=d.left,f=d.width,h=g,m=v,r=n,o=a}else f+=d.kernedWidth;k=b+s+u;"rtl"===this.direction&&(k=this.width-k-f),t.fillStyle=v,g&&v&&t.fillRect(k,l+C*r+o,f-x,this.fontSize/15),y+=i}else y+=i;this._removeShadow(t)}},_getFontDeclaration:function(t,i){var r=t||this,n=this.fontFamily,s=e.Text.genericFonts.indexOf(n.toLowerCase())>-1,o=void 0===n||n.indexOf("'")>-1||n.indexOf(",")>-1||n.indexOf('"')>-1||s?r.fontFamily:'"'+r.fontFamily+'"';return[e.isLikelyNode?r.fontWeight:r.fontStyle,e.isLikelyNode?r.fontStyle:r.fontWeight,i?this.CACHE_FONT_SIZE+"px":r.fontSize+"px",o].join(" ")},render:function(t){this.visible&&(this.canvas&&this.canvas.skipOffscreen&&!this.group&&!this.isOnScreen()||(this._shouldClearDimensionCache()&&this.initDimensions(),this.callSuper("render",t)))},_splitTextIntoLines:function(t){for(var i=t.split(this._reNewline),r=new Array(i.length),n=["\n"],s=[],o=0;o<i.length;o++)r[o]=e.util.string.graphemeSplit(i[o]),s=s.concat(r[o],n);return s.pop(),{_unwrappedLines:r,lines:i,graphemeText:s,graphemeLines:r}},toObject:function(t){var i=r.concat(t),n=this.callSuper("toObject",i);return n.styles=e.util.stylesToArray(this.styles,this.text),n.path&&(n.path=this.path.toObject()),n},set:function(t,e){this.callSuper("set",t,e);var i=!1,r=!1;if("object"==typeof t)for(var n in t)"path"===n&&this.setPathInfo(),i=i||-1!==this._dimensionAffectingProps.indexOf(n),r=r||"path"===n;else i=-1!==this._dimensionAffectingProps.indexOf(t),r="path"===t;return r&&this.setPathInfo(),i&&(this.initDimensions(),this.setCoords()),this},complexity:function(){return 1}}),e.Text.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("x y dx dy font-family font-style font-weight font-size letter-spacing text-decoration text-anchor".split(" ")),e.Text.DEFAULT_SVG_FONT_SIZE=16,e.Text.fromElement=function(t,r,n){if(!t)return r(null);var s=e.parseAttributes(t,e.Text.ATTRIBUTE_NAMES),o=s.textAnchor||"left";if((n=e.util.object.extend(n?i(n):{},s)).top=n.top||0,n.left=n.left||0,s.textDecoration){var a=s.textDecoration;-1!==a.indexOf("underline")&&(n.underline=!0),-1!==a.indexOf("overline")&&(n.overline=!0),-1!==a.indexOf("line-through")&&(n.linethrough=!0),delete n.textDecoration}"dx"in s&&(n.left+=s.dx),"dy"in s&&(n.top+=s.dy),"fontSize"in n||(n.fontSize=e.Text.DEFAULT_SVG_FONT_SIZE);var c="";"textContent"in t?c=t.textContent:"firstChild"in t&&null!==t.firstChild&&"data"in t.firstChild&&null!==t.firstChild.data&&(c=t.firstChild.data),c=c.replace(/^\s+|\s+$|\n+/g,"").replace(/\s+/g," ");var h=n.strokeWidth;n.strokeWidth=0;var l=new e.Text(c,n),u=l.getScaledHeight()/l.height,f=((l.height+l.strokeWidth)*l.lineHeight-l.height)*u,d=l.getScaledHeight()+f,g=0;"center"===o&&(g=l.getScaledWidth()/2),"right"===o&&(g=l.getScaledWidth()),l.set({left:l.left-g,top:l.top-(d-l.fontSize*(.07+l._fontSizeFraction))/l.lineHeight,strokeWidth:void 0!==h?h:1}),r(l)},e.Text.fromObject=function(t,r){var n=i(t),s=t.path;return delete n.path,e.Object._fromObject("Text",n,function(i){i.styles=e.util.stylesFromArray(t.styles,t.text),s?e.Object._fromObject("Path",s,function(t){i.set("path",t),r(i)},"path"):r(i)},"text")},e.Text.genericFonts=["sans-serif","serif","cursive","fantasy","monospace"],e.util.createAccessors&&e.util.createAccessors(e.Text)}}("undefined"!=typeof exports?exports:this),fabric.util.object.extend(fabric.Text.prototype,{isEmptyStyles:function(t){if(!this.styles)return!0;if(void 0!==t&&!this.styles[t])return!0;var e=void 0===t?this.styles:{line:this.styles[t]};for(var i in e)for(var r in e[i])for(var n in e[i][r])return!1;return!0},styleHas:function(t,e){if(!this.styles||!t||""===t)return!1;if(void 0!==e&&!this.styles[e])return!1;var i=void 0===e?this.styles:{0:this.styles[e]};for(var r in i)for(var n in i[r])if(void 0!==i[r][n][t])return!0;return!1},cleanStyle:function(t){if(!this.styles||!t||""===t)return!1;var e,i,r=this.styles,n=0,s=!0,o=0;for(var a in r){for(var c in e=0,r[a]){var h;n++,(h=r[a][c]).hasOwnProperty(t)?(i?h[t]!==i&&(s=!1):i=h[t],h[t]===this[t]&&delete h[t]):s=!1,0!==Object.keys(h).length?e++:delete r[a][c]}0===e&&delete r[a]}for(var l=0;l<this._textLines.length;l++)o+=this._textLines[l].length;s&&n===o&&(this[t]=i,this.removeStyle(t))},removeStyle:function(t){if(this.styles&&t&&""!==t){var e,i,r,n=this.styles;for(i in n){for(r in e=n[i])delete e[r][t],0===Object.keys(e[r]).length&&delete e[r];0===Object.keys(e).length&&delete n[i]}}},_extendStyles:function(t,e){var i=this.get2DCursorLocation(t);this._getLineStyle(i.lineIndex)||this._setLineStyle(i.lineIndex),this._getStyleDeclaration(i.lineIndex,i.charIndex)||this._setStyleDeclaration(i.lineIndex,i.charIndex,{}),fabric.util.object.extend(this._getStyleDeclaration(i.lineIndex,i.charIndex),e)},get2DCursorLocation:function(t,e){void 0===t&&(t=this.selectionStart);for(var i=e?this._unwrappedTextLines:this._textLines,r=i.length,n=0;n<r;n++){if(t<=i[n].length)return{lineIndex:n,charIndex:t};t-=i[n].length+this.missingNewlineOffset(n)}return{lineIndex:n-1,charIndex:i[n-1].length<t?i[n-1].length:t}},getSelectionStyles:function(t,e,i){void 0===t&&(t=this.selectionStart||0),void 0===e&&(e=this.selectionEnd||t);for(var r=[],n=t;n<e;n++)r.push(this.getStyleAtPosition(n,i));return r},getStyleAtPosition:function(t,e){var i=this.get2DCursorLocation(t);return(e?this.getCompleteStyleDeclaration(i.lineIndex,i.charIndex):this._getStyleDeclaration(i.lineIndex,i.charIndex))||{}},setSelectionStyles:function(t,e,i){void 0===e&&(e=this.selectionStart||0),void 0===i&&(i=this.selectionEnd||e);for(var r=e;r<i;r++)this._extendStyles(r,t);return this._forceClearCache=!0,this},_getStyleDeclaration:function(t,e){var i=this.styles&&this.styles[t];return i?i[e]:null},getCompleteStyleDeclaration:function(t,e){for(var i,r=this._getStyleDeclaration(t,e)||{},n={},s=0;s<this._styleProperties.length;s++)n[i=this._styleProperties[s]]=void 0===r[i]?this[i]:r[i];return n},_setStyleDeclaration:function(t,e,i){this.styles[t][e]=i},_deleteStyleDeclaration:function(t,e){delete this.styles[t][e]},_getLineStyle:function(t){return!!this.styles[t]},_setLineStyle:function(t){this.styles[t]={}},_deleteLineStyle:function(t){delete this.styles[t]}}),function(){function t(t){t.textDecoration&&(t.textDecoration.indexOf("underline")>-1&&(t.underline=!0),t.textDecoration.indexOf("line-through")>-1&&(t.linethrough=!0),t.textDecoration.indexOf("overline")>-1&&(t.overline=!0),delete t.textDecoration)}fabric.IText=fabric.util.createClass(fabric.Text,fabric.Observable,{type:"i-text",selectionStart:0,selectionEnd:0,selectionColor:"rgba(17,119,255,0.3)",isEditing:!1,editable:!0,editingBorderColor:"rgba(102,153,255,0.25)",cursorWidth:2,cursorColor:"",cursorDelay:1e3,cursorDuration:600,caching:!0,hiddenTextareaContainer:null,_reSpace:/\s|\n/,_currentCursorOpacity:0,_selectionDirection:null,_abortCursorAnimation:!1,__widthOfSpace:[],inCompositionMode:!1,initialize:function(t,e){this.callSuper("initialize",t,e),this.initBehavior()},setSelectionStart:function(t){t=Math.max(t,0),this._updateAndFire("selectionStart",t)},setSelectionEnd:function(t){t=Math.min(t,this.text.length),this._updateAndFire("selectionEnd",t)},_updateAndFire:function(t,e){this[t]!==e&&(this._fireSelectionChanged(),this[t]=e),this._updateTextarea()},_fireSelectionChanged:function(){this.fire("selection:changed"),this.canvas&&this.canvas.fire("text:selection:changed",{target:this})},initDimensions:function(){this.isEditing&&this.initDelayedCursor(),this.clearContextTop(),this.callSuper("initDimensions")},render:function(t){this.clearContextTop(),this.callSuper("render",t),this.cursorOffsetCache={},this.renderCursorOrSelection()},_render:function(t){this.callSuper("_render",t)},clearContextTop:function(t){if(this.isEditing&&this.canvas&&this.canvas.contextTop){var e=this.canvas.contextTop,i=this.canvas.viewportTransform;e.save(),e.transform(i[0],i[1],i[2],i[3],i[4],i[5]),this.transform(e),this._clearTextArea(e),t||e.restore()}},renderCursorOrSelection:function(){if(this.isEditing&&this.canvas&&this.canvas.contextTop){var t=this._getCursorBoundaries(),e=this.canvas.contextTop;this.clearContextTop(!0),this.selectionStart===this.selectionEnd?this.renderCursor(t,e):this.renderSelection(t,e),e.restore()}},_clearTextArea:function(t){var e=this.width+4,i=this.height+4;t.clearRect(-e/2,-i/2,e,i)},_getCursorBoundaries:function(t){void 0===t&&(t=this.selectionStart);var e=this._getLeftOffset(),i=this._getTopOffset(),r=this._getCursorBoundariesOffsets(t);return{left:e,top:i,leftOffset:r.left,topOffset:r.top}},_getCursorBoundariesOffsets:function(t){if(this.cursorOffsetCache&&"top"in this.cursorOffsetCache)return this.cursorOffsetCache;var e,i,r,n,s=0,o=0,a=this.get2DCursorLocation(t);r=a.charIndex,i=a.lineIndex;for(var c=0;c<i;c++)s+=this.getHeightOfLine(c);e=this._getLineLeftOffset(i);var h=this.__charBounds[i][r];return h&&(o=h.left),0!==this.charSpacing&&r===this._textLines[i].length&&(o-=this._getWidthOfCharSpacing()),n={top:s,left:e+(o>0?o:0)},"rtl"===this.direction&&(n.left*=-1),this.cursorOffsetCache=n,this.cursorOffsetCache},renderCursor:function(t,e){var i=this.get2DCursorLocation(),r=i.lineIndex,n=i.charIndex>0?i.charIndex-1:0,s=this.getValueOfPropertyAt(r,n,"fontSize"),o=this.scaleX*this.canvas.getZoom(),a=this.cursorWidth/o,c=t.topOffset,h=this.getValueOfPropertyAt(r,n,"deltaY");c+=(1-this._fontSizeFraction)*this.getHeightOfLine(r)/this.lineHeight-s*(1-this._fontSizeFraction),this.inCompositionMode&&this.renderSelection(t,e),e.fillStyle=this.cursorColor||this.getValueOfPropertyAt(r,n,"fill"),e.globalAlpha=this.__isMousedown?1:this._currentCursorOpacity,e.fillRect(t.left+t.leftOffset-a/2,c+t.top+h,a,s)},renderSelection:function(t,e){for(var i=this.inCompositionMode?this.hiddenTextarea.selectionStart:this.selectionStart,r=this.inCompositionMode?this.hiddenTextarea.selectionEnd:this.selectionEnd,n=-1!==this.textAlign.indexOf("justify"),s=this.get2DCursorLocation(i),o=this.get2DCursorLocation(r),a=s.lineIndex,c=o.lineIndex,h=s.charIndex<0?0:s.charIndex,l=o.charIndex<0?0:o.charIndex,u=a;u<=c;u++){var f,d=this._getLineLeftOffset(u)||0,g=this.getHeightOfLine(u),p=0,v=0;if(u===a&&(p=this.__charBounds[a][h].left),u>=a&&u<c)v=n&&!this.isEndOfWrapping(u)?this.width:this.getLineWidth(u)||5;else if(u===c)if(0===l)v=this.__charBounds[c][l].left;else{var m=this._getWidthOfCharSpacing();v=this.__charBounds[c][l-1].left+this.__charBounds[c][l-1].width-m}f=g,(this.lineHeight<1||u===c&&this.lineHeight>1)&&(g/=this.lineHeight);var b=t.left+d+p,y=v-p,_=g,x=0;this.inCompositionMode?(e.fillStyle=this.compositionColor||"black",_=1,x=g):e.fillStyle=this.selectionColor,"rtl"===this.direction&&(b=this.width-b-y),e.fillRect(b,t.top+t.topOffset+x,y,_),t.topOffset+=f}},getCurrentCharFontSize:function(){var t=this._getCurrentCharIndex();return this.getValueOfPropertyAt(t.l,t.c,"fontSize")},getCurrentCharColor:function(){var t=this._getCurrentCharIndex();return this.getValueOfPropertyAt(t.l,t.c,"fill")},_getCurrentCharIndex:function(){var t=this.get2DCursorLocation(this.selectionStart,!0),e=t.charIndex>0?t.charIndex-1:0;return{l:t.lineIndex,c:e}}}),fabric.IText.fromObject=function(e,i){if(e.styles=fabric.util.stylesFromArray(e.styles,e.text),t(e),e.styles)for(var r in e.styles)for(var n in e.styles[r])t(e.styles[r][n]);fabric.Object._fromObject("IText",e,i,"text")}}(),function(){var t=fabric.util.object.clone;fabric.util.object.extend(fabric.IText.prototype,{initBehavior:function(){this.initAddedHandler(),this.initRemovedHandler(),this.initCursorSelectionHandlers(),this.initDoubleClickSimulation(),this.mouseMoveHandler=this.mouseMoveHandler.bind(this)},onDeselect:function(){this.isEditing&&this.exitEditing(),this.selected=!1},initAddedHandler:function(){var t=this;this.on("added",function(){var e=t.canvas;e&&(e._hasITextHandlers||(e._hasITextHandlers=!0,t._initCanvasHandlers(e)),e._iTextInstances=e._iTextInstances||[],e._iTextInstances.push(t))})},initRemovedHandler:function(){var t=this;this.on("removed",function(){var e=t.canvas;e&&(e._iTextInstances=e._iTextInstances||[],fabric.util.removeFromArray(e._iTextInstances,t),0===e._iTextInstances.length&&(e._hasITextHandlers=!1,t._removeCanvasHandlers(e)))})},_initCanvasHandlers:function(t){t._mouseUpITextHandler=function(){t._iTextInstances&&t._iTextInstances.forEach(function(t){t.__isMousedown=!1})},t.on("mouse:up",t._mouseUpITextHandler)},_removeCanvasHandlers:function(t){t.off("mouse:up",t._mouseUpITextHandler)},_tick:function(){this._currentTickState=this._animateCursor(this,1,this.cursorDuration,"_onTickComplete")},_animateCursor:function(t,e,i,r){var n;return n={isAborted:!1,abort:function(){this.isAborted=!0}},t.animate("_currentCursorOpacity",e,{duration:i,onComplete:function(){n.isAborted||t[r]()},onChange:function(){t.canvas&&t.selectionStart===t.selectionEnd&&t.renderCursorOrSelection()},abort:function(){return n.isAborted}}),n},_onTickComplete:function(){var t=this;this._cursorTimeout1&&clearTimeout(this._cursorTimeout1),this._cursorTimeout1=setTimeout(function(){t._currentTickCompleteState=t._animateCursor(t,0,this.cursorDuration/2,"_tick")},100)},initDelayedCursor:function(t){var e=this,i=t?0:this.cursorDelay;this.abortCursorAnimation(),this._currentCursorOpacity=1,this._cursorTimeout2=setTimeout(function(){e._tick()},i)},abortCursorAnimation:function(){var t=this._currentTickState||this._currentTickCompleteState,e=this.canvas;this._currentTickState&&this._currentTickState.abort(),this._currentTickCompleteState&&this._currentTickCompleteState.abort(),clearTimeout(this._cursorTimeout1),clearTimeout(this._cursorTimeout2),this._currentCursorOpacity=0,t&&e&&e.clearContext(e.contextTop||e.contextContainer)},selectAll:function(){return this.selectionStart=0,this.selectionEnd=this._text.length,this._fireSelectionChanged(),this._updateTextarea(),this},getSelectedText:function(){return this._text.slice(this.selectionStart,this.selectionEnd).join("")},findWordBoundaryLeft:function(t){var e=0,i=t-1;if(this._reSpace.test(this._text[i]))for(;this._reSpace.test(this._text[i]);)e++,i--;for(;/\S/.test(this._text[i])&&i>-1;)e++,i--;return t-e},findWordBoundaryRight:function(t){var e=0,i=t;if(this._reSpace.test(this._text[i]))for(;this._reSpace.test(this._text[i]);)e++,i++;for(;/\S/.test(this._text[i])&&i<this._text.length;)e++,i++;return t+e},findLineBoundaryLeft:function(t){for(var e=0,i=t-1;!/\n/.test(this._text[i])&&i>-1;)e++,i--;return t-e},findLineBoundaryRight:function(t){for(var e=0,i=t;!/\n/.test(this._text[i])&&i<this._text.length;)e++,i++;return t+e},searchWordBoundary:function(t,e){for(var i=this._text,r=this._reSpace.test(i[t])?t-1:t,n=i[r],s=fabric.reNonWord;!s.test(n)&&r>0&&r<i.length;)n=i[r+=e];return s.test(n)&&(r+=1===e?0:1),r},selectWord:function(t){t=t||this.selectionStart;var e=this.searchWordBoundary(t,-1),i=this.searchWordBoundary(t,1);this.selectionStart=e,this.selectionEnd=i,this._fireSelectionChanged(),this._updateTextarea(),this.renderCursorOrSelection()},selectLine:function(t){t=t||this.selectionStart;var e=this.findLineBoundaryLeft(t),i=this.findLineBoundaryRight(t);return this.selectionStart=e,this.selectionEnd=i,this._fireSelectionChanged(),this._updateTextarea(),this},enterEditing:function(t){if(!this.isEditing&&this.editable)return this.canvas&&(this.canvas.calcOffset(),this.exitEditingOnOthers(this.canvas)),this.isEditing=!0,this.initHiddenTextarea(t),this.hiddenTextarea.focus(),this.hiddenTextarea.value=this.text,this._updateTextarea(),this._saveEditingProps(),this._setEditingProps(),this._textBeforeEdit=this.text,this._tick(),this.fire("editing:entered"),this._fireSelectionChanged(),this.canvas?(this.canvas.fire("text:editing:entered",{target:this}),this.initMouseMoveHandler(),this.canvas.requestRenderAll(),this):this},exitEditingOnOthers:function(t){t._iTextInstances&&t._iTextInstances.forEach(function(t){t.selected=!1,t.isEditing&&t.exitEditing()})},initMouseMoveHandler:function(){this.canvas.on("mouse:move",this.mouseMoveHandler)},mouseMoveHandler:function(t){if(this.__isMousedown&&this.isEditing){var e=this.getSelectionStartFromPointer(t.e),i=this.selectionStart,r=this.selectionEnd;(e===this.__selectionStartOnMouseDown&&i!==r||i!==e&&r!==e)&&(e>this.__selectionStartOnMouseDown?(this.selectionStart=this.__selectionStartOnMouseDown,this.selectionEnd=e):(this.selectionStart=e,this.selectionEnd=this.__selectionStartOnMouseDown),this.selectionStart===i&&this.selectionEnd===r||(this.restartCursorIfNeeded(),this._fireSelectionChanged(),this._updateTextarea(),this.renderCursorOrSelection()))}},_setEditingProps:function(){this.hoverCursor="text",this.canvas&&(this.canvas.defaultCursor=this.canvas.moveCursor="text"),this.borderColor=this.editingBorderColor,this.hasControls=this.selectable=!1,this.lockMovementX=this.lockMovementY=!0},fromStringToGraphemeSelection:function(t,e,i){var r=i.slice(0,t),n=fabric.util.string.graphemeSplit(r).length;if(t===e)return{selectionStart:n,selectionEnd:n};var s=i.slice(t,e);return{selectionStart:n,selectionEnd:n+fabric.util.string.graphemeSplit(s).length}},fromGraphemeToStringSelection:function(t,e,i){var r=i.slice(0,t).join("").length;return t===e?{selectionStart:r,selectionEnd:r}:{selectionStart:r,selectionEnd:r+i.slice(t,e).join("").length}},_updateTextarea:function(){if(this.cursorOffsetCache={},this.hiddenTextarea){if(!this.inCompositionMode){var t=this.fromGraphemeToStringSelection(this.selectionStart,this.selectionEnd,this._text);this.hiddenTextarea.selectionStart=t.selectionStart,this.hiddenTextarea.selectionEnd=t.selectionEnd}this.updateTextareaPosition()}},updateFromTextArea:function(){if(this.hiddenTextarea){this.cursorOffsetCache={},this.text=this.hiddenTextarea.value,this._shouldClearDimensionCache()&&(this.initDimensions(),this.setCoords());var t=this.fromStringToGraphemeSelection(this.hiddenTextarea.selectionStart,this.hiddenTextarea.selectionEnd,this.hiddenTextarea.value);this.selectionEnd=this.selectionStart=t.selectionEnd,this.inCompositionMode||(this.selectionStart=t.selectionStart),this.updateTextareaPosition()}},updateTextareaPosition:function(){if(this.selectionStart===this.selectionEnd){var t=this._calcTextareaPosition();this.hiddenTextarea.style.left=t.left,this.hiddenTextarea.style.top=t.top}},_calcTextareaPosition:function(){if(!this.canvas)return{x:1,y:1};var t=this.inCompositionMode?this.compositionStart:this.selectionStart,e=this._getCursorBoundaries(t),i=this.get2DCursorLocation(t),r=i.lineIndex,n=i.charIndex,s=this.getValueOfPropertyAt(r,n,"fontSize")*this.lineHeight,o=e.leftOffset,a=this.calcTransformMatrix(),c={x:e.left+o,y:e.top+e.topOffset+s},h=this.canvas.getRetinaScaling(),l=this.canvas.upperCanvasEl,u=l.width/h,f=l.height/h,d=u-s,g=f-s,p=l.clientWidth/u,v=l.clientHeight/f;return c=fabric.util.transformPoint(c,a),(c=fabric.util.transformPoint(c,this.canvas.viewportTransform)).x*=p,c.y*=v,c.x<0&&(c.x=0),c.x>d&&(c.x=d),c.y<0&&(c.y=0),c.y>g&&(c.y=g),c.x+=this.canvas._offset.left,c.y+=this.canvas._offset.top,{left:c.x+"px",top:c.y+"px",fontSize:s+"px",charHeight:s}},_saveEditingProps:function(){this._savedProps={hasControls:this.hasControls,borderColor:this.borderColor,lockMovementX:this.lockMovementX,lockMovementY:this.lockMovementY,hoverCursor:this.hoverCursor,selectable:this.selectable,defaultCursor:this.canvas&&this.canvas.defaultCursor,moveCursor:this.canvas&&this.canvas.moveCursor}},_restoreEditingProps:function(){this._savedProps&&(this.hoverCursor=this._savedProps.hoverCursor,this.hasControls=this._savedProps.hasControls,this.borderColor=this._savedProps.borderColor,this.selectable=this._savedProps.selectable,this.lockMovementX=this._savedProps.lockMovementX,this.lockMovementY=this._savedProps.lockMovementY,this.canvas&&(this.canvas.defaultCursor=this._savedProps.defaultCursor,this.canvas.moveCursor=this._savedProps.moveCursor))},exitEditing:function(){var t=this._textBeforeEdit!==this.text,e=this.hiddenTextarea;return this.selected=!1,this.isEditing=!1,this.selectionEnd=this.selectionStart,e&&(e.blur&&e.blur(),e.parentNode&&e.parentNode.removeChild(e)),this.hiddenTextarea=null,this.abortCursorAnimation(),this._restoreEditingProps(),this._currentCursorOpacity=0,this._shouldClearDimensionCache()&&(this.initDimensions(),this.setCoords()),this.fire("editing:exited"),t&&this.fire("modified"),this.canvas&&(this.canvas.off("mouse:move",this.mouseMoveHandler),this.canvas.fire("text:editing:exited",{target:this}),t&&this.canvas.fire("object:modified",{target:this})),this},_removeExtraneousStyles:function(){for(var t in this.styles)this._textLines[t]||delete this.styles[t]},removeStyleFromTo:function(t,e){var i,r,n=this.get2DCursorLocation(t,!0),s=this.get2DCursorLocation(e,!0),o=n.lineIndex,a=n.charIndex,c=s.lineIndex,h=s.charIndex;if(o!==c){if(this.styles[o])for(i=a;i<this._unwrappedTextLines[o].length;i++)delete this.styles[o][i];if(this.styles[c])for(i=h;i<this._unwrappedTextLines[c].length;i++)(r=this.styles[c][i])&&(this.styles[o]||(this.styles[o]={}),this.styles[o][a+i-h]=r);for(i=o+1;i<=c;i++)delete this.styles[i];this.shiftLineStyles(c,o-c)}else if(this.styles[o]){r=this.styles[o];var l,u,f=h-a;for(i=a;i<h;i++)delete r[i];for(u in this.styles[o])(l=parseInt(u,10))>=h&&(r[l-f]=r[u],delete r[u])}},shiftLineStyles:function(e,i){var r=t(this.styles);for(var n in this.styles){var s=parseInt(n,10);s>e&&(this.styles[s+i]=r[s],r[s-i]||delete this.styles[s])}},restartCursorIfNeeded:function(){this._currentTickState&&!this._currentTickState.isAborted&&this._currentTickCompleteState&&!this._currentTickCompleteState.isAborted||this.initDelayedCursor()},insertNewlineStyleObject:function(e,i,r,n){var s,o={},a=!1,c=this._unwrappedTextLines[e].length===i;for(var h in r||(r=1),this.shiftLineStyles(e,r),this.styles[e]&&(s=this.styles[e][0===i?i:i-1]),this.styles[e]){var l=parseInt(h,10);l>=i&&(a=!0,o[l-i]=this.styles[e][h],c&&0===i||delete this.styles[e][h])}var u=!1;for(a&&!c&&(this.styles[e+r]=o,u=!0),u&&r--;r>0;)n&&n[r-1]?this.styles[e+r]={0:t(n[r-1])}:s?this.styles[e+r]={0:t(s)}:delete this.styles[e+r],r--;this._forceClearCache=!0},insertCharStyleObject:function(e,i,r,n){this.styles||(this.styles={});var s=this.styles[e],o=s?t(s):{};for(var a in r||(r=1),o){var c=parseInt(a,10);c>=i&&(s[c+r]=o[c],o[c-r]||delete s[c])}if(this._forceClearCache=!0,n)for(;r--;)Object.keys(n[r]).length&&(this.styles[e]||(this.styles[e]={}),this.styles[e][i+r]=t(n[r]));else if(s)for(var h=s[i?i-1:1];h&&r--;)this.styles[e][i+r]=t(h)},insertNewStyleBlock:function(t,e,i){for(var r=this.get2DCursorLocation(e,!0),n=[0],s=0,o=0;o<t.length;o++)"\n"===t[o]?n[++s]=0:n[s]++;n[0]>0&&(this.insertCharStyleObject(r.lineIndex,r.charIndex,n[0],i),i=i&&i.slice(n[0]+1)),s&&this.insertNewlineStyleObject(r.lineIndex,r.charIndex+n[0],s);for(o=1;o<s;o++)n[o]>0?this.insertCharStyleObject(r.lineIndex+o,0,n[o],i):i&&this.styles[r.lineIndex+o]&&i[0]&&(this.styles[r.lineIndex+o][0]=i[0]),i=i&&i.slice(n[o]+1);n[o]>0&&this.insertCharStyleObject(r.lineIndex+o,0,n[o],i)},setSelectionStartEndWithShift:function(t,e,i){i<=t?(e===t?this._selectionDirection="left":"right"===this._selectionDirection&&(this._selectionDirection="left",this.selectionEnd=t),this.selectionStart=i):i>t&&i<e?"right"===this._selectionDirection?this.selectionEnd=i:this.selectionStart=i:(e===t?this._selectionDirection="right":"left"===this._selectionDirection&&(this._selectionDirection="right",this.selectionStart=e),this.selectionEnd=i)},setSelectionInBoundaries:function(){var t=this.text.length;this.selectionStart>t?this.selectionStart=t:this.selectionStart<0&&(this.selectionStart=0),this.selectionEnd>t?this.selectionEnd=t:this.selectionEnd<0&&(this.selectionEnd=0)}})}(),fabric.util.object.extend(fabric.IText.prototype,{initDoubleClickSimulation:function(){this.__lastClickTime=+new Date,this.__lastLastClickTime=+new Date,this.__lastPointer={},this.on("mousedown",this.onMouseDown)},onMouseDown:function(t){if(this.canvas){this.__newClickTime=+new Date;var e=t.pointer;this.isTripleClick(e)&&(this.fire("tripleclick",t),this._stopEvent(t.e)),this.__lastLastClickTime=this.__lastClickTime,this.__lastClickTime=this.__newClickTime,this.__lastPointer=e,this.__lastIsEditing=this.isEditing,this.__lastSelected=this.selected}},isTripleClick:function(t){return this.__newClickTime-this.__lastClickTime<500&&this.__lastClickTime-this.__lastLastClickTime<500&&this.__lastPointer.x===t.x&&this.__lastPointer.y===t.y},_stopEvent:function(t){t.preventDefault&&t.preventDefault(),t.stopPropagation&&t.stopPropagation()},initCursorSelectionHandlers:function(){this.initMousedownHandler(),this.initMouseupHandler(),this.initClicks()},doubleClickHandler:function(t){this.isEditing&&this.selectWord(this.getSelectionStartFromPointer(t.e))},tripleClickHandler:function(t){this.isEditing&&this.selectLine(this.getSelectionStartFromPointer(t.e))},initClicks:function(){this.on("mousedblclick",this.doubleClickHandler),this.on("tripleclick",this.tripleClickHandler)},_mouseDownHandler:function(t){!this.canvas||!this.editable||t.e.button&&1!==t.e.button||(this.__isMousedown=!0,this.selected&&(this.inCompositionMode=!1,this.setCursorByClick(t.e)),this.isEditing&&(this.__selectionStartOnMouseDown=this.selectionStart,this.selectionStart===this.selectionEnd&&this.abortCursorAnimation(),this.renderCursorOrSelection()))},_mouseDownHandlerBefore:function(t){!this.canvas||!this.editable||t.e.button&&1!==t.e.button||(this.selected=this===this.canvas._activeObject)},initMousedownHandler:function(){this.on("mousedown",this._mouseDownHandler),this.on("mousedown:before",this._mouseDownHandlerBefore)},initMouseupHandler:function(){this.on("mouseup",this.mouseUpHandler)},mouseUpHandler:function(t){if(this.__isMousedown=!1,!(!this.editable||this.group||t.transform&&t.transform.actionPerformed||t.e.button&&1!==t.e.button)){if(this.canvas){var e=this.canvas._activeObject;if(e&&e!==this)return}this.__lastSelected&&!this.__corner?(this.selected=!1,this.__lastSelected=!1,this.enterEditing(t.e),this.selectionStart===this.selectionEnd?this.initDelayedCursor(!0):this.renderCursorOrSelection()):this.selected=!0}},setCursorByClick:function(t){var e=this.getSelectionStartFromPointer(t),i=this.selectionStart,r=this.selectionEnd;t.shiftKey?this.setSelectionStartEndWithShift(i,r,e):(this.selectionStart=e,this.selectionEnd=e),this.isEditing&&(this._fireSelectionChanged(),this._updateTextarea())},getSelectionStartFromPointer:function(t){for(var e,i=this.getLocalPointer(t),r=0,n=0,s=0,o=0,a=0,c=0,h=this._textLines.length;c<h&&s<=i.y;c++)s+=this.getHeightOfLine(c)*this.scaleY,a=c,c>0&&(o+=this._textLines[c-1].length+this.missingNewlineOffset(c-1));n=this._getLineLeftOffset(a)*this.scaleX,e=this._textLines[a],"rtl"===this.direction&&(i.x=this.width*this.scaleX-i.x+n);for(var l=0,u=e.length;l<u&&(r=n,(n+=this.__charBounds[a][l].kernedWidth*this.scaleX)<=i.x);l++)o++;return this._getNewSelectionStartFromOffset(i,r,n,o,u)},_getNewSelectionStartFromOffset:function(t,e,i,r,n){var s=t.x-e,o=i-t.x,a=r+(o>s||o<0?0:1);return this.flipX&&(a=n-a),a>this._text.length&&(a=this._text.length),a}}),fabric.util.object.extend(fabric.IText.prototype,{initHiddenTextarea:function(){this.hiddenTextarea=fabric.document.createElement("textarea"),this.hiddenTextarea.setAttribute("autocapitalize","off"),this.hiddenTextarea.setAttribute("autocorrect","off"),this.hiddenTextarea.setAttribute("autocomplete","off"),this.hiddenTextarea.setAttribute("spellcheck","false"),this.hiddenTextarea.setAttribute("data-fabric-hiddentextarea",""),this.hiddenTextarea.setAttribute("wrap","off");var t=this._calcTextareaPosition();this.hiddenTextarea.style.cssText="position: absolute; top: "+t.top+"; left: "+t.left+"; z-index: -999; opacity: 0; width: 1px; height: 1px; font-size: 1px; paddingｰtop: "+t.fontSize+";",this.hiddenTextareaContainer?this.hiddenTextareaContainer.appendChild(this.hiddenTextarea):fabric.document.body.appendChild(this.hiddenTextarea),fabric.util.addListener(this.hiddenTextarea,"keydown",this.onKeyDown.bind(this)),fabric.util.addListener(this.hiddenTextarea,"keyup",this.onKeyUp.bind(this)),fabric.util.addListener(this.hiddenTextarea,"input",this.onInput.bind(this)),fabric.util.addListener(this.hiddenTextarea,"copy",this.copy.bind(this)),fabric.util.addListener(this.hiddenTextarea,"cut",this.copy.bind(this)),fabric.util.addListener(this.hiddenTextarea,"paste",this.paste.bind(this)),fabric.util.addListener(this.hiddenTextarea,"compositionstart",this.onCompositionStart.bind(this)),fabric.util.addListener(this.hiddenTextarea,"compositionupdate",this.onCompositionUpdate.bind(this)),fabric.util.addListener(this.hiddenTextarea,"compositionend",this.onCompositionEnd.bind(this)),!this._clickHandlerInitialized&&this.canvas&&(fabric.util.addListener(this.canvas.upperCanvasEl,"click",this.onClick.bind(this)),this._clickHandlerInitialized=!0)},keysMap:{9:"exitEditing",27:"exitEditing",33:"moveCursorUp",34:"moveCursorDown",35:"moveCursorRight",36:"moveCursorLeft",37:"moveCursorLeft",38:"moveCursorUp",39:"moveCursorRight",40:"moveCursorDown"},keysMapRtl:{9:"exitEditing",27:"exitEditing",33:"moveCursorUp",34:"moveCursorDown",35:"moveCursorLeft",36:"moveCursorRight",37:"moveCursorRight",38:"moveCursorUp",39:"moveCursorLeft",40:"moveCursorDown"},ctrlKeysMapUp:{67:"copy",88:"cut"},ctrlKeysMapDown:{65:"selectAll"},onClick:function(){this.hiddenTextarea&&this.hiddenTextarea.focus()},onKeyDown:function(t){if(this.isEditing){var e="rtl"===this.direction?this.keysMapRtl:this.keysMap;if(t.keyCode in e)this[e[t.keyCode]](t);else{if(!(t.keyCode in this.ctrlKeysMapDown&&(t.ctrlKey||t.metaKey)))return;this[this.ctrlKeysMapDown[t.keyCode]](t)}t.stopImmediatePropagation(),t.preventDefault(),t.keyCode>=33&&t.keyCode<=40?(this.inCompositionMode=!1,this.clearContextTop(),this.renderCursorOrSelection()):this.canvas&&this.canvas.requestRenderAll()}},onKeyUp:function(t){!this.isEditing||this._copyDone||this.inCompositionMode?this._copyDone=!1:t.keyCode in this.ctrlKeysMapUp&&(t.ctrlKey||t.metaKey)&&(this[this.ctrlKeysMapUp[t.keyCode]](t),t.stopImmediatePropagation(),t.preventDefault(),this.canvas&&this.canvas.requestRenderAll())},onInput:function(t){var e=this.fromPaste;if(this.fromPaste=!1,t&&t.stopPropagation(),this.isEditing){var i,r,n,s,o,a=this._splitTextIntoLines(this.hiddenTextarea.value).graphemeText,c=this._text.length,h=a.length,l=h-c,u=this.selectionStart,f=this.selectionEnd,d=u!==f;if(""===this.hiddenTextarea.value)return this.styles={},this.updateFromTextArea(),this.fire("changed"),void(this.canvas&&(this.canvas.fire("text:changed",{target:this}),this.canvas.requestRenderAll()));var g=this.fromStringToGraphemeSelection(this.hiddenTextarea.selectionStart,this.hiddenTextarea.selectionEnd,this.hiddenTextarea.value),p=u>g.selectionStart;d?(i=this._text.slice(u,f),l+=f-u):h<c&&(i=p?this._text.slice(f+l,f):this._text.slice(u,u-l)),r=a.slice(g.selectionEnd-l,g.selectionEnd),i&&i.length&&(r.length&&(n=this.getSelectionStyles(u,u+1,!1),n=r.map(function(){return n[0]})),d?(s=u,o=f):p?(s=f-i.length,o=f):(s=f,o=f+i.length),this.removeStyleFromTo(s,o)),r.length&&(e&&r.join("")===fabric.copiedText&&!fabric.disableStyleCopyPaste&&(n=fabric.copiedTextStyle),this.insertNewStyleBlock(r,u,n)),this.updateFromTextArea(),this.fire("changed"),this.canvas&&(this.canvas.fire("text:changed",{target:this}),this.canvas.requestRenderAll())}},onCompositionStart:function(){this.inCompositionMode=!0},onCompositionEnd:function(){this.inCompositionMode=!1},onCompositionUpdate:function(t){this.compositionStart=t.target.selectionStart,this.compositionEnd=t.target.selectionEnd,this.updateTextareaPosition()},copy:function(){this.selectionStart!==this.selectionEnd&&(fabric.copiedText=this.getSelectedText(),fabric.disableStyleCopyPaste?fabric.copiedTextStyle=null:fabric.copiedTextStyle=this.getSelectionStyles(this.selectionStart,this.selectionEnd,!0),this._copyDone=!0)},paste:function(){this.fromPaste=!0},_getClipboardData:function(t){return t&&t.clipboardData||fabric.window.clipboardData},_getWidthBeforeCursor:function(t,e){var i,r=this._getLineLeftOffset(t);return e>0&&(r+=(i=this.__charBounds[t][e-1]).left+i.width),r},getDownCursorOffset:function(t,e){var i=this._getSelectionForOffset(t,e),r=this.get2DCursorLocation(i),n=r.lineIndex;if(n===this._textLines.length-1||t.metaKey||34===t.keyCode)return this._text.length-i;var s=r.charIndex,o=this._getWidthBeforeCursor(n,s),a=this._getIndexOnLine(n+1,o);return this._textLines[n].slice(s).length+a+1+this.missingNewlineOffset(n)},_getSelectionForOffset:function(t,e){return t.shiftKey&&this.selectionStart!==this.selectionEnd&&e?this.selectionEnd:this.selectionStart},getUpCursorOffset:function(t,e){var i=this._getSelectionForOffset(t,e),r=this.get2DCursorLocation(i),n=r.lineIndex;if(0===n||t.metaKey||33===t.keyCode)return-i;var s=r.charIndex,o=this._getWidthBeforeCursor(n,s),a=this._getIndexOnLine(n-1,o),c=this._textLines[n].slice(0,s),h=this.missingNewlineOffset(n-1);return-this._textLines[n-1].length+a-c.length+(1-h)},_getIndexOnLine:function(t,e){for(var i,r,n=this._textLines[t],s=this._getLineLeftOffset(t),o=0,a=0,c=n.length;a<c;a++)if((s+=i=this.__charBounds[t][a].width)>e){r=!0;var h=s-i,l=s,u=Math.abs(h-e);o=Math.abs(l-e)<u?a:a-1;break}return r||(o=n.length-1),o},moveCursorDown:function(t){this.selectionStart>=this._text.length&&this.selectionEnd>=this._text.length||this._moveCursorUpOrDown("Down",t)},moveCursorUp:function(t){0===this.selectionStart&&0===this.selectionEnd||this._moveCursorUpOrDown("Up",t)},_moveCursorUpOrDown:function(t,e){var i=this["get"+t+"CursorOffset"](e,"right"===this._selectionDirection);e.shiftKey?this.moveCursorWithShift(i):this.moveCursorWithoutShift(i),0!==i&&(this.setSelectionInBoundaries(),this.abortCursorAnimation(),this._currentCursorOpacity=1,this.initDelayedCursor(),this._fireSelectionChanged(),this._updateTextarea())},moveCursorWithShift:function(t){var e="left"===this._selectionDirection?this.selectionStart+t:this.selectionEnd+t;return this.setSelectionStartEndWithShift(this.selectionStart,this.selectionEnd,e),0!==t},moveCursorWithoutShift:function(t){return t<0?(this.selectionStart+=t,this.selectionEnd=this.selectionStart):(this.selectionEnd+=t,this.selectionStart=this.selectionEnd),0!==t},moveCursorLeft:function(t){0===this.selectionStart&&0===this.selectionEnd||this._moveCursorLeftOrRight("Left",t)},_move:function(t,e,i){var r;if(t.altKey)r=this["findWordBoundary"+i](this[e]);else{if(!t.metaKey&&35!==t.keyCode&&36!==t.keyCode)return this[e]+="Left"===i?-1:1,!0;r=this["findLineBoundary"+i](this[e])}if(void 0!==typeof r&&this[e]!==r)return this[e]=r,!0},_moveLeft:function(t,e){return this._move(t,e,"Left")},_moveRight:function(t,e){return this._move(t,e,"Right")},moveCursorLeftWithoutShift:function(t){var e=!0;return this._selectionDirection="left",this.selectionEnd===this.selectionStart&&0!==this.selectionStart&&(e=this._moveLeft(t,"selectionStart")),this.selectionEnd=this.selectionStart,e},moveCursorLeftWithShift:function(t){return"right"===this._selectionDirection&&this.selectionStart!==this.selectionEnd?this._moveLeft(t,"selectionEnd"):0!==this.selectionStart?(this._selectionDirection="left",this._moveLeft(t,"selectionStart")):void 0},moveCursorRight:function(t){this.selectionStart>=this._text.length&&this.selectionEnd>=this._text.length||this._moveCursorLeftOrRight("Right",t)},_moveCursorLeftOrRight:function(t,e){var i="moveCursor"+t+"With";this._currentCursorOpacity=1,e.shiftKey?i+="Shift":i+="outShift",this[i](e)&&(this.abortCursorAnimation(),this.initDelayedCursor(),this._fireSelectionChanged(),this._updateTextarea())},moveCursorRightWithShift:function(t){return"left"===this._selectionDirection&&this.selectionStart!==this.selectionEnd?this._moveRight(t,"selectionStart"):this.selectionEnd!==this._text.length?(this._selectionDirection="right",this._moveRight(t,"selectionEnd")):void 0},moveCursorRightWithoutShift:function(t){var e=!0;return this._selectionDirection="right",this.selectionStart===this.selectionEnd?(e=this._moveRight(t,"selectionStart"),this.selectionEnd=this.selectionStart):this.selectionStart=this.selectionEnd,e},removeChars:function(t,e){void 0===e&&(e=t+1),this.removeStyleFromTo(t,e),this._text.splice(t,e-t),this.text=this._text.join(""),this.set("dirty",!0),this._shouldClearDimensionCache()&&(this.initDimensions(),this.setCoords()),this._removeExtraneousStyles()},insertChars:function(t,e,i,r){void 0===r&&(r=i),r>i&&this.removeStyleFromTo(i,r);var n=fabric.util.string.graphemeSplit(t);this.insertNewStyleBlock(n,i,e),this._text=[].concat(this._text.slice(0,i),n,this._text.slice(r)),this.text=this._text.join(""),this.set("dirty",!0),this._shouldClearDimensionCache()&&(this.initDimensions(),this.setCoords()),this._removeExtraneousStyles()}}),function(){var t=fabric.util.toFixed,e=/  +/g;fabric.util.object.extend(fabric.Text.prototype,{_toSVG:function(){var t=this._getSVGLeftTopOffsets(),e=this._getSVGTextAndBg(t.textTop,t.textLeft);return this._wrapSVGTextAndBg(e)},toSVG:function(t){return this._createBaseSVGMarkup(this._toSVG(),{reviver:t,noStyle:!0,withShadow:!0})},_getSVGLeftTopOffsets:function(){return{textLeft:-this.width/2,textTop:-this.height/2,lineTop:this.getHeightOfLine(0)}},_wrapSVGTextAndBg:function(t){var e=this.getSvgTextDecoration(this);return[t.textBgRects.join(""),'\t\t<text xml:space="preserve" ',this.fontFamily?'font-family="'+this.fontFamily.replace(/"/g,"'")+'" ':"",this.fontSize?'font-size="'+this.fontSize+'" ':"",this.fontStyle?'font-style="'+this.fontStyle+'" ':"",this.fontWeight?'font-weight="'+this.fontWeight+'" ':"",e?'text-decoration="'+e+'" ':"",'style="',this.getSvgStyles(!0),'"',this.addPaintOrder()," >",t.textSpans.join(""),"</text>\n"]},_getSVGTextAndBg:function(t,e){var i,r=[],n=[],s=t;this._setSVGBg(n);for(var o=0,a=this._textLines.length;o<a;o++)i=this._getLineLeftOffset(o),(this.textBackgroundColor||this.styleHas("textBackgroundColor",o))&&this._setSVGTextLineBg(n,o,e+i,s),this._setSVGTextLineText(r,o,e+i,s),s+=this.getHeightOfLine(o);return{textSpans:r,textBgRects:n}},_createTextCharSpan:function(i,r,n,s){var o=i!==i.trim()||i.match(e),a=this.getSvgSpanStyles(r,o),c=a?'style="'+a+'"':"",h=r.deltaY,l="",u=fabric.Object.NUM_FRACTION_DIGITS;return h&&(l=' dy="'+t(h,u)+'" '),['<tspan x="',t(n,u),'" y="',t(s,u),'" ',l,c,">",fabric.util.string.escapeXml(i),"</tspan>"].join("")},_setSVGTextLineText:function(t,e,i,r){var n,s,o,a,c,h=this.getHeightOfLine(e),l=-1!==this.textAlign.indexOf("justify"),u="",f=0,d=this._textLines[e];r+=h*(1-this._fontSizeFraction)/this.lineHeight;for(var g=0,p=d.length-1;g<=p;g++)c=g===p||this.charSpacing,u+=d[g],o=this.__charBounds[e][g],0===f?(i+=o.kernedWidth-o.width,f+=o.width):f+=o.kernedWidth,l&&!c&&this._reSpaceAndTab.test(d[g])&&(c=!0),c||(n=n||this.getCompleteStyleDeclaration(e,g),s=this.getCompleteStyleDeclaration(e,g+1),c=fabric.util.hasStyleChanged(n,s,!0)),c&&(a=this._getStyleDeclaration(e,g)||{},t.push(this._createTextCharSpan(u,a,i,r)),u="",n=s,i+=f,f=0)},_pushTextBgRect:function(e,i,r,n,s,o){var a=fabric.Object.NUM_FRACTION_DIGITS;e.push("\t\t<rect ",this._getFillAttributes(i),' x="',t(r,a),'" y="',t(n,a),'" width="',t(s,a),'" height="',t(o,a),'"></rect>\n')},_setSVGTextLineBg:function(t,e,i,r){for(var n,s,o=this._textLines[e],a=this.getHeightOfLine(e)/this.lineHeight,c=0,h=0,l=this.getValueOfPropertyAt(e,0,"textBackgroundColor"),u=0,f=o.length;u<f;u++)n=this.__charBounds[e][u],(s=this.getValueOfPropertyAt(e,u,"textBackgroundColor"))!==l?(l&&this._pushTextBgRect(t,l,i+h,r,c,a),h=n.left,c=n.width,l=s):c+=n.kernedWidth;s&&this._pushTextBgRect(t,s,i+h,r,c,a)},_getFillAttributes:function(t){var e=t&&"string"==typeof t?new fabric.Color(t):"";return e&&e.getSource()&&1!==e.getAlpha()?'opacity="'+e.getAlpha()+'" fill="'+e.setAlpha(1).toRgb()+'"':'fill="'+t+'"'},_getSVGLineTopOffset:function(t){for(var e,i=0,r=0;r<t;r++)i+=this.getHeightOfLine(r);return e=this.getHeightOfLine(r),{lineTop:i,offset:(this._fontSizeMult-this._fontSizeFraction)*e/(this.lineHeight*this._fontSizeMult)}},getSvgStyles:function(t){return fabric.Object.prototype.getSvgStyles.call(this,t)+" white-space: pre;"}})}(),function(t){"use strict";var e=t.fabric||(t.fabric={});e.Textbox=e.util.createClass(e.IText,e.Observable,{type:"textbox",minWidth:20,dynamicMinWidth:2,__cachedLines:null,lockScalingFlip:!0,noScaleCache:!1,_dimensionAffectingProps:e.Text.prototype._dimensionAffectingProps.concat("width"),_wordJoiners:/[ \t\r]/,splitByGrapheme:!1,initDimensions:function(){this.__skipDimension||(this.isEditing&&this.initDelayedCursor(),this.clearContextTop(),this._clearCache(),this.dynamicMinWidth=0,this._styleMap=this._generateStyleMap(this._splitText()),this.dynamicMinWidth>this.width&&this._set("width",this.dynamicMinWidth),-1!==this.textAlign.indexOf("justify")&&this.enlargeSpaces(),this.height=this.calcTextHeight(),this.saveState({propertySet:"_dimensionAffectingProps"}))},_generateStyleMap:function(t){for(var e=0,i=0,r=0,n={},s=0;s<t.graphemeLines.length;s++)"\n"===t.graphemeText[r]&&s>0?(i=0,r++,e++):!this.splitByGrapheme&&this._reSpaceAndTab.test(t.graphemeText[r])&&s>0&&(i++,r++),n[s]={line:e,offset:i},r+=t.graphemeLines[s].length,i+=t.graphemeLines[s].length;return n},styleHas:function(t,i){if(this._styleMap&&!this.isWrapping){var r=this._styleMap[i];r&&(i=r.line)}return e.Text.prototype.styleHas.call(this,t,i)},isEmptyStyles:function(t){if(!this.styles)return!0;var e,i,r=0,n=!1,s=this._styleMap[t],o=this._styleMap[t+1];for(var a in s&&(t=s.line,r=s.offset),o&&(n=o.line===t,e=o.offset),i=void 0===t?this.styles:{line:this.styles[t]})for(var c in i[a])if(c>=r&&(!n||c<e))for(var h in i[a][c])return!1;return!0},_getStyleDeclaration:function(t,e){if(this._styleMap&&!this.isWrapping){var i=this._styleMap[t];if(!i)return null;t=i.line,e=i.offset+e}return this.callSuper("_getStyleDeclaration",t,e)},_setStyleDeclaration:function(t,e,i){var r=this._styleMap[t];t=r.line,e=r.offset+e,this.styles[t][e]=i},_deleteStyleDeclaration:function(t,e){var i=this._styleMap[t];t=i.line,e=i.offset+e,delete this.styles[t][e]},_getLineStyle:function(t){var e=this._styleMap[t];return!!this.styles[e.line]},_setLineStyle:function(t){var e=this._styleMap[t];this.styles[e.line]={}},_wrapText:function(t,e){var i,r=[];for(this.isWrapping=!0,i=0;i<t.length;i++)r=r.concat(this._wrapLine(t[i],i,e));return this.isWrapping=!1,r},_measureWord:function(t,e,i){var r,n=0;i=i||0;for(var s=0,o=t.length;s<o;s++){n+=this._getGraphemeBox(t[s],e,s+i,r,!0).kernedWidth,r=t[s]}return n},_wrapLine:function(t,i,r,n){var s=0,o=this.splitByGrapheme,a=[],c=[],h=o?e.util.string.graphemeSplit(t):t.split(this._wordJoiners),l="",u=0,f=o?"":" ",d=0,g=0,p=0,v=!0,m=this._getWidthOfCharSpacing();n=n||0;0===h.length&&h.push([]),r-=n;for(var b=0;b<h.length;b++)l=o?h[b]:e.util.string.graphemeSplit(h[b]),d=this._measureWord(l,i,u),u+=l.length,(s+=g+d-m)>r&&!v?(a.push(c),c=[],s=d,v=!0):s+=m,v||o||c.push(f),c=c.concat(l),g=o?0:this._measureWord([f],i,u),u++,v=!1,d>p&&(p=d);return b&&a.push(c),p+n>this.dynamicMinWidth&&(this.dynamicMinWidth=p-m+n),a},isEndOfWrapping:function(t){return!this._styleMap[t+1]||this._styleMap[t+1].line!==this._styleMap[t].line},missingNewlineOffset:function(t){return this.splitByGrapheme?this.isEndOfWrapping(t)?1:0:1},_splitTextIntoLines:function(t){for(var i=e.Text.prototype._splitTextIntoLines.call(this,t),r=this._wrapText(i.lines,this.width),n=new Array(r.length),s=0;s<r.length;s++)n[s]=r[s].join("");return i.lines=n,i.graphemeLines=r,i},getMinWidth:function(){return Math.max(this.minWidth,this.dynamicMinWidth)},_removeExtraneousStyles:function(){var t={};for(var e in this._styleMap)this._textLines[e]&&(t[this._styleMap[e].line]=1);for(var e in this.styles)t[e]||delete this.styles[e]},toObject:function(t){return this.callSuper("toObject",["minWidth","splitByGrapheme"].concat(t))}}),e.Textbox.fromObject=function(t,i){return t.styles=e.util.stylesFromArray(t.styles,t.text),e.Object._fromObject("Textbox",t,i,"text")}}("undefined"!=typeof exports?exports:this),function(){var t=fabric.controlsUtils,e=t.scaleSkewCursorStyleHandler,i=t.scaleCursorStyleHandler,r=t.scalingEqually,n=t.scalingYOrSkewingX,s=t.scalingXOrSkewingY,o=t.scaleOrSkewActionName,a=fabric.Object.prototype.controls;if(a.ml=new fabric.Control({x:-.5,y:0,cursorStyleHandler:e,actionHandler:s,getActionName:o}),a.mr=new fabric.Control({x:.5,y:0,cursorStyleHandler:e,actionHandler:s,getActionName:o}),a.mb=new fabric.Control({x:0,y:.5,cursorStyleHandler:e,actionHandler:n,getActionName:o}),a.mt=new fabric.Control({x:0,y:-.5,cursorStyleHandler:e,actionHandler:n,getActionName:o}),a.tl=new fabric.Control({x:-.5,y:-.5,cursorStyleHandler:i,actionHandler:r}),a.tr=new fabric.Control({x:.5,y:-.5,cursorStyleHandler:i,actionHandler:r}),a.bl=new fabric.Control({x:-.5,y:.5,cursorStyleHandler:i,actionHandler:r}),a.br=new fabric.Control({x:.5,y:.5,cursorStyleHandler:i,actionHandler:r}),a.mtr=new fabric.Control({x:0,y:-.5,actionHandler:t.rotationWithSnapping,cursorStyleHandler:t.rotationStyleHandler,offsetY:-40,withConnection:!0,actionName:"rotate"}),fabric.Textbox){var c=fabric.Textbox.prototype.controls={};c.mtr=a.mtr,c.tr=a.tr,c.br=a.br,c.tl=a.tl,c.bl=a.bl,c.mt=a.mt,c.mb=a.mb,c.mr=new fabric.Control({x:.5,y:0,actionHandler:t.changeWidth,cursorStyleHandler:e,actionName:"resizing"}),c.ml=new fabric.Control({x:-.5,y:0,actionHandler:t.changeWidth,cursorStyleHandler:e,actionName:"resizing"})}}();