@zoom/videosdk/dist/lib/annoter.min.js

Zoom Web Video SDK

/*! For license information please see annoter.min.js.LICENSE.txt */
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this.x+=t,this.y+=t,this}subtract(t){return new pt(this.x-t.x,this.y-t.y)}subtractEquals(t){return this.x-=t.x,this.y-=t.y,this}scalarSubtract(t){return new pt(this.x-t,this.y-t)}scalarSubtractEquals(t){return this.x-=t,this.y-=t,this}multiply(t){return new pt(this.x*t,this.y*t)}multiplyEquals(t){return this.x*=t,this.y*=t,this}divide(t){return new pt(this.x/t,this.y/t)}divideEquals(t){return this.x/=t,this.y/=t,this}eq(t){return this.x===t.x&&this.y===t.y}lt(t){return this.x<t.x&&this.y<t.y}lte(t){return this.x<=t.x&&this.y<=t.y}gt(t){return this.x>t.x&&this.y>t.y}gte(t){return this.x>=t.x&&this.y>=t.y}lerp(t,e){return typeof e>"u"&&(e=.5),e=Math.max(Math.min(1,e),0),new pt(this.x+(t.x-this.x)*e,this.y+(t.y-this.y)*e)}distanceFrom(t){var e=this.x-t.x,s=this.y-t.y;return Math.sqrt(e*e+s*s)}midPointFrom(t){return this.lerp(t)}min(t){return new pt(Math.min(this.x,t.x),Math.min(this.y,t.y))}max(t){return new pt(Math.max(this.x,t.x),Math.max(this.y,t.y))}toString(){return this.x+","+this.y}setXY(t,e){return this.x=t,this.y=e,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setFromPoint(t){return this.x=t.x,this.y=t.y,this}swap(t){var e=this.x,s=this.y;this.x=t.x,this.y=t.y,t.x=e,t.y=s}clone(){return new pt(this.x,this.y)}}const gt={NUM_FRACTION_DIGITS:2},ft={DEFAULT_SVG_FONT_SIZE:2};var _t={exports:{}};const Ot=(null==_t.exports?{}:_t.exports).default||_t.exports,mt=Object.freeze(Object.defineProperty({__proto__:null,default:Ot},Symbol.toStringTag,{value:"Module"}));let vt,bt,yt;if(typeof document<"u"&&typeof window<"u")bt=document instanceof(typeof HTMLDocument<"u"?HTMLDocument:Document)?document:document.implementation.createHTMLDocument(""),vt=window;else{var At=new(Ot||mt).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;bt=At.document,yt=(Ot||mt).implForWrapper,(Ot||mt).Canvas,vt=At}const Tt=typeof Buffer<"u"&&typeof window>"u";"ontouchstart"in vt||"ontouchstart"in bt||vt&&vt.navigator&&vt.navigator.maxTouchPoints;const St={version:"4.6.0",charWidthsCache:{},DPI:96,commaWsp:"(?:\\s+,?\\s*|,\\s*)",rePathCommand:/([-+]?((\d+\.\d+)|((\d+)|(\.\d+)))(?:[eE][-+]?\d+)?)/gi,fontPaths:{},iMatrix:[1,0,0,1,0,0],boundsOfCurveCache:new class{constructor(t=100,e=1){p(this,"store",new Map),this.limit=t,this.cleanBulk=e}has(t){return this.store.has(t)}get(t){return this.store.get(t)}set(t,e){if(this.has(t))return;const s=this.store;if(s.size+1>this.limit){const t=s.keys();for(let e=0;e<this.cleanBulk;e++){const e=t.next();if(e.done)break;s.delete(e.value)}}s.set(t,e)}}(2e4,300),perfLimitSizeTotal:2097152,maxCacheSideLimit:4096,minCacheSideLimit:256,devicePixelRatio:vt.devicePixelRatio||vt.webkitDevicePixelRatio||vt.mozDevicePixelRatio||1,browserShadowBlurConstant:1,_measuringContext:void 0},wt={log:console.log,warn:console.warn,error:console.error};var It=Math.sqrt,xt=Math.atan2,kt=Math.pow,Et=Math.PI/180,Ct=Math.PI/2;const Pt={cos:function(t){if(0===t)return 1;switch(t<0&&(t=-t),t/Ct){case 1:case 3:return 0;case 2:return-1}return Math.cos(t)},sin:function(t){if(0===t)return 0;var e=1;switch(t<0&&(e=-1),t/Ct){case 1:return e;case 2:return 0;case 3:return-e}return Math.sin(t)},removeFromArray:function(t,e){var s=t.indexOf(e);return-1!==s&&t.splice(s,1),t},getRandomInt:function(t,e){return Math.floor(Math.random()*(e-t+1))+t},degreesToRadians:function(t){return t*Et},radiansToDegrees:function(t){return t/Et},rotatePoint:function(t,e,s){var i=new pt(t.x-e.x,t.y-e.y),n=Pt.rotateVector(i,s);return new pt(n.x,n.y).addEquals(e)},rotateVector:function(t,e){var s=Pt.sin(e),i=Pt.cos(e);return{x:t.x*i-t.y*s,y:t.x*s+t.y*i}},transformPoint:function(t,e,s){return s?new pt(e[0]*t.x+e[2]*t.y,e[1]*t.x+e[3]*t.y):new pt(e[0]*t.x+e[2]*t.y+e[4],e[1]*t.x+e[3]*t.y+e[5])},makeBoundingBoxFromPoints:function(t,e){if(e)for(var s=0;s<t.length;s++)t[s]=Pt.transformPoint(t[s],e);var i=[t[0].x,t[1].x,t[2].x,t[3].x],n=ht.min(i),r=ht.max(i)-n,o=[t[0].y,t[1].y,t[2].y,t[3].y],a=ht.min(o);return{left:n,top:a,width:r,height:ht.max(o)-a}},invertTransform:function(t){var e=1/(t[0]*t[3]-t[1]*t[2]),s=[e*t[3],-e*t[1],-e*t[2],e*t[0]],i=Pt.transformPoint({x:t[4],y:t[5]},s,!0);return s[4]=-i.x,s[5]=-i.y,s},toFixed:function(t,e){return parseFloat(Number(t).toFixed(e))},parseUnit:function(t,e){var s=/\D{0,2}$/.exec(t),i=parseFloat(t);switch(e||(e=ft.DEFAULT_SVG_FONT_SIZE),s[0]){case"mm":return i*St.DPI/25.4;case"cm":return i*St.DPI/2.54;case"in":return i*St.DPI;case"pt":return i*St.DPI/72;case"pc":return i*St.DPI/72*12;case"em":return i*e;default:return i}},falseFunction:function(){return!1},getSvgAttributes:function(t){var e=["instantiated_by_use","style","id","class"];switch(t){case"linearGradient":e=e.concat(["x1","y1","x2","y2","gradientUnits","gradientTransform"]);break;case"radialGradient":e=e.concat(["gradientUnits","gradientTransform","cx","cy","r","fx","fy","fr"]);break;case"stop":e=e.concat(["offset","stop-color","stop-opacity"])}return e},loadImage:function(t,e,s,i){if(t){var n=Pt.createImage(),r=function(){e&&e.call(s,n,!1),n=n.onload=n.onerror=null};n.onload=r,n.onerror=function(){wt.log("Error loading "+n.src),e&&e.call(s,null,!0),n=n.onload=n.onerror=null},0!==t.indexOf("data")&&null!=i&&(n.crossOrigin=i),"data:image/svg"===t.substring(0,14)&&(n.onload=null,Pt.loadImageInDom(n,r)),n.src=t}else e&&e.call(s,t)},loadImageInDom:function(t,e){var s=bt.createElement("div");s.style.width=s.style.height="1px",s.style.left=s.style.top="-100%",s.style.position="absolute",s.appendChild(t),bt.querySelector("body").appendChild(s),t.onload=function(){e(),s.parentNode.removeChild(s),s=null}},populateWithProperties:function(t,e,s){if(s&&"[object Array]"===Object.prototype.toString.call(s))for(var i=0,n=s.length;i<n;i++)s[i]in t&&(e[s[i]]=t[s[i]])},drawDashedLine:function(t,e,s,i,n,r){var o=i-e,a=n-s,h=It(o*o+a*a),l=xt(a,o),c=r.length,d=0,u=!0;for(t.save(),t.translate(e,s),t.moveTo(0,0),t.rotate(l),e=0;h>e;)(e+=r[d++%c])>h&&(e=h),t[u?"lineTo":"moveTo"](e,0),u=!u;t.restore()},createCanvasElement:function(){return bt.createElement("canvas")},copyCanvasElement:function(t){var e=Pt.createCanvasElement();return e.width=t.width,e.height=t.height,e.getContext("2d").drawImage(t,0,0),e},toDataURL:function(t,e,s){const i="pdf"===e||"svg"===e?"":"image/";return t.toDataURL(i+e,s)},createImage:function(){return bt.createElement("img")},multiplyTransformMatrices:function(t,e,s){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],s?0:t[0]*e[4]+t[2]*e[5]+t[4],s?0:t[1]*e[4]+t[3]*e[5]+t[5]]},qrDecompose:function(t){var e=xt(t[1],t[0]),s=kt(t[0],2)+kt(t[1],2),i=It(s),n=(t[0]*t[3]-t[2]*t[1])/i,r=xt(t[0]*t[2]+t[1]*t[3],s);return{angle:e/Et,scaleX:i,scaleY:n,skewX:r/Et,skewY:0,translateX:t[4],translateY:t[5]}},calcRotateMatrix:function(t){if(!t.angle)return St.iMatrix.concat();var e=Pt.degreesToRadians(t.angle),s=Pt.cos(e),i=Pt.sin(e);return[s,i,-i,s,0,0]},calcDimensionsMatrix:function(t){var e=typeof t.scaleX>"u"?1:t.scaleX,s=typeof t.scaleY>"u"?1:t.scaleY,i=[t.flipX?-e:e,0,0,t.flipY?-s:s,0,0],n=Pt.multiplyTransformMatrices,r=Pt.degreesToRadians;return t.skewX&&(i=n(i,[1,0,Math.tan(r(t.skewX)),1],!0)),t.skewY&&(i=n(i,[1,Math.tan(r(t.skewY)),0,1],!0)),i},composeMatrix:function(t){var e=[1,0,0,1,t.translateX||0,t.translateY||0],s=Pt.multiplyTransformMatrices;return t.angle&&(e=s(e,Pt.calcRotateMatrix(t))),(1!==t.scaleX||1!==t.scaleY||t.skewX||t.skewY||t.flipX||t.flipY)&&(e=s(e,Pt.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,s,i){i>0&&(e>i?e-=i:e=0,s>i?s-=i:s=0);var n,r=!0,o=t.getImageData(e,s,2*i||1,2*i||1),a=o.data.length;for(n=3;n<a&&!1!=(r=o.data[n]<=0);n+=4);return o=null,r},parsePreserveAspectRatioAttribute:function(t){var e,s="meet",i=t.split(" ");return i&&i.length&&("meet"!==(s=i.pop())&&"slice"!==s?(e=s,s="meet"):i.length&&(e=i.pop())),{meetOrSlice:s,alignX:"none"!==e?e.slice(1,4):"none",alignY:"none"!==e?e.slice(5,8):"none"}},clearFabricFontCache:function(t){(t=(t||"").toLowerCase())?St.charWidthsCache[t]&&delete St.charWidthsCache[t]:St.charWidthsCache={}},limitDimsByArea:function(t,e){var s=Math.sqrt(e*t),i=Math.floor(e/s);return{x:Math.floor(s),y:i}},capValue:function(t,e,s){return Math.max(t,Math.min(e,s))},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 Pt.toFixed(t,gt.NUM_FRACTION_DIGITS)})).join(" ")+")"},removeTransformFromObject:function(t,e){var s=Pt.invertTransform(e),i=Pt.multiplyTransformMatrices(s,t.calcOwnMatrix());Pt.applyTransformToObject(t,i)},addTransformToObject:function(t,e){Pt.applyTransformToObject(t,Pt.multiplyTransformMatrices(e,t.calcOwnMatrix()))},applyTransformToObject:function(t,e){var s=Pt.qrDecompose(e),i=new pt(s.translateX,s.translateY);t.flipX=!1,t.flipY=!1,t.set("scaleX",s.scaleX),t.set("scaleY",s.scaleY),t.skewX=s.skewX,t.skewY=s.skewY,t.angle=s.angle,t.setPositionByOrigin(i,"center","center")},sizeAfterTransform:function(t,e,s){var i=t/2,n=e/2,r=[{x:-i,y:-n},{x:i,y:-n},{x:-i,y:n},{x:i,y:n}],o=Pt.calcDimensionsMatrix(s),a=Pt.makeBoundingBoxFromPoints(r,o);return{x:a.width,y:a.height}}};class Nt{constructor(t=""){p(this,"points"),p(this,"status"),this.status=t,this.points=[]}appendPoint(t){return this.points.push(t),this}appendPoints(t){return this.points=this.points.concat(t),this}static intersectLineLine(t,e,s,i){var n,r=(i.x-s.x)*(t.y-s.y)-(i.y-s.y)*(t.x-s.x),o=(e.x-t.x)*(t.y-s.y)-(e.y-t.y)*(t.x-s.x),a=(i.y-s.y)*(e.x-t.x)-(i.x-s.x)*(e.y-t.y);if(0!==a){var h=r/a,l=o/a;0<=h&&h<=1&&0<=l&&l<=1?(n=new Nt("Intersection")).appendPoint(new pt(t.x+h*(e.x-t.x),t.y+h*(e.y-t.y))):n=new Nt}else n=new Nt(0===r||0===o?"Coincident":"Parallel");return n}static intersectLinePolygon(t,e,s){var i,n,r,o,a=new Nt,h=s.length;for(o=0;o<h;o++)i=s[o],n=s[(o+1)%h],r=Nt.intersectLineLine(t,e,i,n),a.appendPoints(r.points);return a.points.length>0&&(a.status="Intersection"),a}static intersectPolygonPolygon(t,e){var s,i=new Nt,n=t.length;for(s=0;s<n;s++){var r=t[s],o=t[(s+1)%n],a=Nt.intersectLinePolygon(r,o,e);i.appendPoints(a.points)}return i.points.length>0&&(i.status="Intersection"),i}static intersectPolygonRectangle(t,e,s){var i=e.min(s),n=e.max(s),r=new pt(n.x,i.y),o=new pt(i.x,n.y),a=Nt.intersectLinePolygon(i,r,t),h=Nt.intersectLinePolygon(r,n,t),l=Nt.intersectLinePolygon(n,o,t),c=Nt.intersectLinePolygon(o,i,t),d=new Nt;return d.appendPoints(a.points),d.appendPoints(h.points),d.appendPoints(l.points),d.appendPoints(c.points),d.points.length>0&&(d.status="Intersection"),d}}const{degreesToRadians:Lt,transformPoint:Rt}=Pt,jt={left:-.5,top:-.5,center:0,bottom:.5,right:.5},Dt=t=>"string"==typeof t?jt[t]:t-.5,Ft=Pt.degreesToRadians,Mt=Pt.multiplyTransformMatrices,Bt=Pt.transformPoint;function Yt(t,e){if(!t||t.length!==e.length)return!1;for(let s=0;s<t.length;s++)if(t[s]!==e[s])return!1;return!0}const Ht=class{constructor(){p(this,"oCoords",null),p(this,"aCoords",null),p(this,"lineCoords",null),p(this,"ownMatrixCache",null),p(this,"matrixCache",null)}_getCoords(t,e){return e?t?this.calcACoords():this.calcLineCoords():((!this.aCoords||!this.lineCoords)&&this.setCoords(!0),t?this.aCoords:this.lineCoords)}getCoords(t,e){return s=this._getCoords(t,e),[new pt(s.tl.x,s.tl.y),new pt(s.tr.x,s.tr.y),new pt(s.br.x,s.br.y),new pt(s.bl.x,s.bl.y)];var s}forEachParent(t){const e=new Set;let s=this.group;for(;s&&!e.has(s);)e.add(s),t(s),s=s.group}getTotalScaleSimple(t,e){var s;let i=null!=(s=null!=e?e:this[t])?s:1;return this.forEachParent((e=>{var s;i*=null!=(s=e[t])?s:1})),i}intersectsWithRect(t,e,s,i){var n=this.getCoords(s,i);return"Intersection"===Nt.intersectPolygonRectangle(n,t,e).status}intersectsWithObject(t,e,s){return"Intersection"===Nt.intersectPolygonPolygon(this.getCoords(e,s),t.getCoords(e,s)).status||t.isContainedWithinObject(this,e,s)||this.isContainedWithinObject(t,e,s)}isContainedWithinObject(t,e,s){for(var i=this.getCoords(e,s),n=e?t.aCoords:t.lineCoords,r=0,o=t._getImageLines(n);r<4;r++)if(!t.containsPoint(i[r],o))return!1;return!0}isContainedWithinRect(t,e,s,i){var n=this.getBoundingRect(s,i);return n.left>=t.x&&n.left+n.width<=e.x&&n.top>=t.y&&n.top+n.height<=e.y}containsPoint(t,e,s,i){var n=this._getCoords(s,i),r=(e=e||this._getImageLines(n),this._findCrossPoints(t,e));return 0!==r&&r%2==1}isOnScreen(t){if(!this.canvas)return!1;var e=this.canvas.vptCoords.tl,s=this.canvas.vptCoords.br;return!(!this.getCoords(!0,t).some((function(t){return t.x<=s.x&&t.x>=e.x&&t.y<=s.y&&t.y>=e.y}))&&!this.intersectsWithRect(e,s,!0,t))||this._containsCenterOfCanvas(e,s,t)}isOnScreenAbs(){if(!this.canvas)return!1;const t=this.canvas.vptCoords.tl,e=this.canvas.vptCoords.br,s=Object.values(this.calcAbsCoords());return!(!s.some((function(s){return s.x<=e.x&&s.x>=t.x&&s.y<=e.y&&s.y>=t.y}))&&"Intersection"!==Nt.intersectPolygonRectangle(s,t,e).status)||this._containsCenterOfCanvas(t,e)}_containsCenterOfCanvas(t,e,s){var i={x:(t.x+e.x)/2,y:(t.y+e.y)/2};return!!this.containsPoint(i,null,!0,s)}isPartiallyOnScreen(t){if(!this.canvas)return!1;var e=this.canvas.vptCoords.tl,s=this.canvas.vptCoords.br;return!!this.intersectsWithRect(e,s,!0,t)||this.getCoords(!0,t).every((function(t){return(t.x>=s.x||t.x<=e.x)&&(t.y>=s.y||t.y<=e.y)}))&&this._containsCenterOfCanvas(e,s,t)}_getImageLines(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(t,e){var s,i,n,r,o,a=0;for(var h in e)if(!((o=e[h]).o.y<t.y&&o.d.y<t.y||o.o.y>=t.y&&o.d.y>=t.y||(o.o.x===o.d.x&&o.o.x>=t.x?r=o.o.x:(s=(o.d.y-o.o.y)/(o.d.x-o.o.x),i=t.y-0*t.x,n=o.o.y-s*o.o.x,r=-(i-n)/(0-s)),r>=t.x&&(a+=1),2!==a)))break;return a}getBoundingRect(t,e){var s=this.getCoords(t,e);return Pt.makeBoundingBoxFromPoints(s)}getScaledWidth(){return this._getTransformedDimensions().x}getScaledHeight(){return this._getTransformedDimensions().y}_constrainScale(t){return Math.abs(t)<this.minScaleLimit?t<0?-this.minScaleLimit:this.minScaleLimit:0===t?1e-4:t}scale(t){return this._set("scaleX",t),this._set("scaleY",t),this.setCoords()}scaleToWidth(t,e){var s=this.getBoundingRect(e).width/this.getScaledWidth();return this.scale(t/this.width/s)}scaleToHeight(t,e){var s=this.getBoundingRect(e).height/this.getScaledHeight();return this.scale(t/this.height/s)}getTotalAngle(){return this.group?Pt.qrDecompose(this.calcTransformMatrix()).angle:this.angle}calcCoords(t){return t?this.calcACoords():this.calcOCoords()}calcLineCoords(){var t=this.getViewportTransform(),e=this.padding,s=Ft(this.angle),i=Pt.cos(s)*e,n=Pt.sin(s)*e,r=i+n,o=i-n,a=this.calcACoords(),h={tl:Bt(a.tl,t),tr:Bt(a.tr,t),bl:Bt(a.bl,t),br:Bt(a.br,t)};return e&&(h.tl.x-=o,h.tl.y-=r,h.tr.x+=r,h.tr.y-=o,h.bl.x-=r,h.bl.y+=o,h.br.x+=o,h.br.y+=r),h}calcCanvasLineCoords(){const t=this.group?Pt.multiplyTransformMatrices(this.getViewportTransform(),this.group.calcTransformMatrix()):this.getViewportTransform(),e=this.padding,s=Pt.degreesToRadians(this.angle),i=Pt.cos(s)*e,n=Pt.sin(s)*e,r=i+n,o=i-n,a=this.calcACoords(),h={tl:Pt.transformPoint(a.tl,t),tr:Pt.transformPoint(a.tr,t),bl:Pt.transformPoint(a.bl,t),br:Pt.transformPoint(a.br,t)};return e&&(h.tl.x-=o,h.tl.y-=r,h.tr.x+=r,h.tr.y-=o,h.bl.x-=r,h.bl.y+=o,h.br.x+=o,h.br.y+=r),h}calcOCoords(){var t=this._calcRotateMatrix(),e=this._calcTranslateMatrix(),s=this.getViewportTransform(),i=Mt(s,e),n=Mt(i,t),r=(n=Mt(n,[1/s[0],0,0,1/s[3],0,0]),this._calculateCurrentDimensions()),o={};return this.forEachControl((function(t,e,s){o[e]=t.positionHandler(r,n,s)})),o}calcACoords(){var t=this._calcRotateMatrix(),e=this._calcTranslateMatrix(),s=Mt(e,t),i=this._getTransformedDimensions(),n=i.x/2,r=i.y/2;return{tl:Bt({x:-n,y:-r},s),tr:Bt({x:n,y:-r},s),bl:Bt({x:-n,y:r},s),br:Bt({x:n,y:r},s)}}calcAbsCoords(){var t;const e=this.calcACoords(),s=null==(t=this.group)?void 0:t.calcTransformMatrix();let i=[e.tl,e.tr,e.bl,e.br];return i=s?i.map((t=>Pt.transformPoint(t,s))):i,{tl:i[0],tr:i[1],bl:i[2],br:i[3]}}setCoords(t){return this.aCoords=this.calcACoords(),this.lineCoords=this.group?this.aCoords:this.calcLineCoords(),t||(this.oCoords=this.calcOCoords(),this._setCornerCoords&&this._setCornerCoords()),this}_calcRotateMatrix(){return Pt.calcRotateMatrix(this)}_calcTranslateMatrix(){var t=this.getCenterPoint();return[1,0,0,1,t.x,t.y]}transformMatrixKey(t){let e=[];return!t&&this.group&&(e=this.group.transformMatrixKey(t)),e.push(this.top,this.left,this.scaleX,this.scaleY,this.skewX,this.skewY,this.angle,Dt(this.originX),Dt(this.originY),this.width,this.height,this.strokeWidth,+this.flipX,+this.flipY),e}calcTransformMatrix(t){var e=this.calcOwnMatrix();if(t||!this.group)return e;var s=this.transformMatrixKey(t),i=this.matrixCache||(this.matrixCache={});return Yt(i.key,s)?i.value:(this.group&&(e=Mt(this.group.calcTransformMatrix(!1),e)),i.key=s,i.value=e,e)}calcOwnMatrix(){var t=this.transformMatrixKey(!0),e=this.ownMatrixCache||(this.ownMatrixCache={});if(Yt(e.key,t))return e.value;var s=this._calcTranslateMatrix(),i={angle:this.angle,translateX:s[4],translateY:s[5],scaleX:this.scaleX,scaleY:this.scaleY,skewX:this.skewX,skewY:this.skewY,flipX:this.flipX,flipY:this.flipY};return e.key=t,e.value=Pt.composeMatrix(i),e.value}_calcDimensionsTransformMatrix(t,e,s){return Pt.calcDimensionsMatrix({skewX:t,skewY:e,scaleX:this.scaleX*(s&&this.flipX?-1:1),scaleY:this.scaleY*(s&&this.flipY?-1:1)})}_getNonTransformedDimensions(){var t=this.strokeWidth;return{x:this.width+t,y:this.height+t}}_getTransformedDimensions(t,e){typeof t>"u"&&(t=this.skewX),typeof e>"u"&&(e=this.skewY);var s,i,n,r=0===t&&0===e;if(this.strokeUniform?(i=this.width,n=this.height):(i=(s=this._getNonTransformedDimensions()).x,n=s.y),r)return this._finalizeDimensions(i*this.scaleX,n*this.scaleY);var o=Pt.sizeAfterTransform(i,n,{scaleX:this.scaleX,scaleY:this.scaleY,skewX:t,skewY:e});return this._finalizeDimensions(o.x,o.y)}_finalizeDimensions(t,e){return this.strokeUniform?{x:t+this.strokeWidth,y:e+this.strokeWidth}:{x:t,y:e}}_calculateCurrentDimensions(){var t=this.getViewportTransform(),e=this._getTransformedDimensions();return Bt(e,t,!0).scalarAdd(2*this.padding)}};Ht.prototype.oCoords=null,Ht.prototype.aCoords=null,Ht.prototype.lineCoords=null,Ht.prototype.ownMatrixCache=null,Ht.prototype.matrixCache=null,Ht.prototype.controls={};let Wt=Ht;function zt(t,e,s){if(s)if(!Tt&&e instanceof Element)t=e;else if(e instanceof Array){t=[];for(var i=0,n=e.length;i<n;i++)t[i]=zt({},e[i],s)}else if(e&&"object"==typeof e)for(var r in e)"canvas"===r||"group"===r?t[r]=null:e.hasOwnProperty(r)&&(t[r]=zt({},e[r],s));else t=e;else for(var r in e)t[r]=e[r];return t}const Ut={extend:zt,clone:function(t,e){return zt({},t,e)}};var Xt=Ut.extend,Gt="stateProperties";function Vt(t,e,s){var i={};s.forEach((function(e){i[e]=t[e]})),Xt(t[e],i,!0)}function qt(t,e,s){if(t===e)return!0;if(Array.isArray(t)){if(!Array.isArray(e)||t.length!==e.length)return!1;for(var i=0,n=t.length;i<n;i++)if(!qt(t[i],e[i]))return!1;return!0}if(t&&"object"==typeof t){var r,o=Object.keys(t);if(!e||"object"!=typeof 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