0b465130.0f080bd10e4d70ad.js

js customix.io collected 2026-09-28 06:10:00 UTC 293,620 bytes, 1 lines download raw bytes

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Date,this._state="running",this._onStart(),this.tick(this.startTime))};this.register(),this.delay>0?setTimeout(()=>tu(t),this.delay):tu(t)}tick(t){let e=(t||+new Date)-this.startTime,i=Math.min(e,this.duration);this.durationProgress=i/this.duration;let{value:r,valueProgress:s}=this.calculate(i);this.value=Object.freeze(r),this.valueProgress=s,"aborted"!==this._state&&(this._abort(this.value,this.valueProgress,this.durationProgress)?(this._state="aborted",this.unregister()):e>=this.duration?(this.durationProgress=this.valueProgress=1,this._onChange(this.endValue,this.valueProgress,this.durationProgress),this._state="completed",this._onComplete(this.endValue,this.valueProgress,this.durationProgress),this.unregister()):(this._onChange(this.value,this.valueProgress,this.durationProgress),tu(this.tick)))}register(){te.push(this)}unregister(){te.remove(this)}abort(){this._state="aborted",this.unregister()}}let iC=["startValue","endValue"];class ib extends ix{constructor(t){let{startValue:e=0,endValue:i=100}=t;super(h(h({},c(t,iC)),{},{startValue:e,byValue:i-e}))}calculate(t){let e=this.easing(t,this.startValue,this.byValue,this.duration);return{value:e,valueProgress:Math.abs((e-this.startValue)/this.byValue)}}}let iS=["startValue","endValue"];class iw extends ix{constructor(t){let{startValue:e=[0],endValue:i=[100]}=t;super(h(h({},c(t,iS)),{},{startValue:e,byValue:i.map((t,i)=>t-e[i])}))}calculate(t){let e=this.startValue.map((e,i)=>this.easing(t,e,this.byValue[i],this.duration,i));return{value:e,valueProgress:Math.abs((e[0]-this.startValue[0])/this.byValue[0])}}}let iT=["startValue","endValue","easing","onChange","onComplete","abort"],iO=(t,e,i,r)=>e+i*(1-Math.cos(t/r*D)),iD=t=>t&&((e,i,r)=>t(new ew(e).toRgba(),i,r));class ik extends ix{constructor(t){let{startValue:e,endValue:i,easing:r=iO,onChange:s,onComplete:n,abort:

1o}=t,a=c(t,iT),l=new ew(e).getSource();super(h(h({},a),{},{startValue:l,byValue:new ew(i).getSource().map((t,e)=>t-l[e]),easing:r,onChange:iD(s),onComplete:iD(n),abort:iD(o)}))}calculate(t){let[e,i,r,s]=this.startValue.map((e,i)=>this.easing(t,e,this.byValue[i],this.duration,i)),n=[...[e,i,r].map(Math.round),e7(0,s,1)];return{value:n,valueProgress:n.map((t,e)=>0!==this.byValue[e]?Math.abs((t-this.startValue[e])/this.byValue[e]):0).find(t=>0!==t)||0}}}function iM(t){let e=Array.isArray(t.startValue)||Array.isArray(t.endValue)?new iw(t):new ib(t);return e.start(),e}function iE(t){let e=new ik(t);return e.start(),e}class iP{constructor(t){this.status=t,this.points=[]}includes(t){return this.points.some(e=>e.eq(t))}append(){for(var t=arguments.length,e=Array(t),i=0;i<t;i++)e[i]=arguments[i];return this.points=this.points.concat(e.filter(t=>!this.includes(t))),this}static isPointContained(t,e,i){let r=arguments.length>3&&void 0!==arguments[3]&&arguments[3];if(e.eq(i))return t.eq(e);if(e.x===i.x)return t.x===e.x&&(r||t.y>=Math.min(e.y,i.y)&&t.y<=Math.max(e.y,i.y));if(e.y===i.y)return t.y===e.y&&(r||t.x>=Math.min(e.x,i.x)&&t.x<=Math.max(e.x,i.x));{let s=eJ(e,i),n=eJ(e,t).divide(s);return r?Math.abs(n.x)===Math.abs(n.y):n.x===n.y&&n.x>=0&&n.x<=1}}static isPointInPolygon(t,e){let i=new to(t).setX(Math.min(t.x-1,...e.map(t=>t.x))),r=0;for(let s=0;s<e.length;s++){let n=this.intersectSegmentSegment(e[s],e[(s+1)%e.length],t,i);if(n.includes(t))return!0;r+=Number("Intersection"===n.status)}return r%2==1}static intersectLineLine(t,e,i,r){let s=!(arguments.length>4&&void 0!==arguments[4])||arguments[4],n=!(arguments.length>5&&void 0!==arguments[5])||arguments[5],o=e.x-t.x,a=e.y-t.y,l=r.x-i.x,h=r.y-i.y,c=t.x-i.x,u=t.y-i.y,d=l*u-h*c,g=o*u-a*c,f=h*o-l*a;if(0!==f){let e=d/f,i=g/f;return(s||0<=e&&e<=1)&&(n||0<=i&&i<=1)?new iP("Intersection").append(new to(t.x+e*o,t.y+e*a)):new iP}if(0===d||0===g){let o=s||n||iP.isPointContained(t,i,r)||iP.isPointContained(e,i,r)||iP.isPointContained(i,t,e)||iP.isPointContained(r,t,e);return new iP(o?"Coincident":void 0)}return new iP("Parallel")}static intersectSegmentLine(t,e,i,r){return iP.intersectLineLine(t,e,i,r,!1,!0)}static intersectSegmentSegment(t,e,i,r){return iP.intersectLineLine(t,e,i,r,!1,!1)}static intersectLinePolygon(t,e,i){let r=!(arguments.length>3&&void 0!==arguments[3])||arguments[3],s=new iP,n=i.length;for(let o,a,l,h=0;h<n;h++){if(o=i[h],a=i[(h+1)%n],"Coincident"===(l=iP.intersectLineLine(t,e,o,a,r,!1)).status)return l;s.append(...l.points)}return s.points.length>0&&(s.status="Intersection"),s}static intersectSegmentPolygon(t,e,i){return iP.intersectLinePolygon(t,e,i,!1)}static intersectPolygonPolygon(t,e){let i=new iP,r=t.length,s=[];for(let n=0;n<r;n++){let o=t[n],a=t[(n+1)%r],l=iP.intersectSegmentPolygon(o,a,e);"Coincident"===l.status?(s.push(l),i.append(o,a)):i.append(...l.points)}return s.length>0&&s.length===t.length?new iP("Coincident"):(i.points.length>0&&(i.status="Intersection"),i)}static intersectPolygonRectangle(t,e,i){let r=e.min(i),s=e.max(i),n=new to(s.x,r.y),o=new to(r.x,s.y);return iP.intersectPolygonPolygon(t,[r,n,s,o])}}class iA extends tc{getX(){return this.getXY().x}setX(t){this.setXY(this.getXY().setX(t))}getY(){return this.getXY().y}setY(t){this.setXY(this.getXY().setY(t))}getRelativeX(){return this.left}setRelativeX(t){this.left=t}getRelativeY(){return this.top}setRelativeY(t){this.top=t}getXY(){let t=this.getRelativeXY();return this.group?tS(t,this.group.calcTransformMatrix()):t}setXY(t,e,i){this.group&&(t=tS(t,tw(this.group.calcTransformMatrix()))),this.setRelativeXY(t,e,i)}getRelativeXY(){return new to(this.left,this.top)}setRelativeXY(t){let e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:this.originX,i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:this.originY;this.setPositionByOrigin(t,e,i)}isStrokeAccountedForInDimensions(){return!1}getCoords(){let{tl:t,tr:e,br:i,bl:r}=this.aCoords||(this.aCoords=this.calcACoords()),s=[t,e,i,r];if(this.group){let t=this.group.calcTransformMatrix();return s.map(e=>tS(e,t))}return s}intersectsWithRect(t,e){return"Intersection"===iP.intersectPolygonRectangle(this.getCoords(),t,e).status}intersectsWithObject(t){let e=iP.intersectPolygonPolygon(this.getCoords(),t.getCoords());return"Intersection"===e.status||"Coincident"===e.status||t.isContainedWithinObject(this)||this.isContainedWithinObject(t)}isContainedWithinObject(t){return this.getCoords().every(e=>t.containsPoint(e))}isContainedWithinRect(t,e){let{left:i,top:r,width:s,height:n}

1=this.getBoundingRect();return i>=t.x&&i+s<=e.x&&r>=t.y&&r+n<=e.y}isOverlapping(t){return this.intersectsWithObject(t)||this.isContainedWithinObject(t)||t.isContainedWithinObject(this)}containsPoint(t){return iP.isPointInPolygon(t,this.getCoords())}isOnScreen(){if(!this.canvas)return!1;let{tl:t,br:e}=this.canvas.vptCoords;return!!this.getCoords().some(i=>i.x<=e.x&&i.x>=t.x&&i.y<=e.y&&i.y>=t.y)||!!this.intersectsWithRect(t,e)||this.containsPoint(t.midPointFrom(e))}isPartiallyOnScreen(){if(!this.canvas)return!1;let{tl:t,br:e}=this.canvas.vptCoords;return!!this.intersectsWithRect(t,e)||this.getCoords().every(i=>(i.x>=e.x||i.x<=t.x)&&(i.y>=e.y||i.y<=t.y))&&this.containsPoint(t.midPointFrom(e))}getBoundingRect(){return t8(this.getCoords())}getScaledWidth(){return this._getTransformedDimensions().x}getScaledHeight(){return this._getTransformedDimensions().y}scale(t){this._set(N,t),this._set(U,t),this.setCoords()}scaleToWidth(t){let e=this.getBoundingRect().width/this.getScaledWidth();return this.scale(t/this.width/e)}scaleToHeight(t){let e=this.getBoundingRect().height/this.getScaledHeight();return this.scale(t/this.height/e)}getCanvasRetinaScaling(){var t;return(null==(t=this.canvas)?void 0:t.getRetinaScaling())||1}getTotalAngle(){return this.group?tC(tD(this.calcTransformMatrix())):this.angle}getViewportTransform(){var t;return(null==(t=this.canvas)?void 0:t.viewportTransform)||E.concat()}calcACoords(){let t=tE({angle:this.angle}),{x:e,y:i}=this.getRelativeCenterPoint(),r=tT(tM(e,i),t),s=this._getTransformedDimensions(),n=s.x/2,o=s.y/2;return{tl:tS({x:-n,y:-o},r),tr:tS({x:n,y:-o},r),bl:tS({x:-n,y:o},r),br:tS({x:n,y:o},r)}}setCoords(){this.aCoords=this.calcACoords()}transformMatrixKey(){let t=arguments.length>0&&void 0!==arguments[0]&&arguments[0],e=[];return!t&&this.group&&(e=this.group.transformMatrixKey(t)),e.push(this.top,this.left,this.width,this.height,this.scaleX,this.scaleY,this.angle,this.strokeWidth,this.skewX,this.skewY,+this.flipX,+this.flipY,ec(this.originX),ec(this.originY)),e}calcTransformMatrix(){let t=arguments.length>0&&void 0!==arguments[0]&&arguments[0],e=this.calcOwnMatrix();if(t||!this.group)return e;let i=this.transformMatrixKey(t),r=this.matrixCache;return r&&r.key.every((t,e)=>t===i[e])?r.value:(this.group&&(e=tT(this.group.calcTransformMatrix(!1),e)),this.matrixCache={key:i,value:e},e)}calcOwnMatrix(){let t=this.transformMatrixKey(!0),e=this.ownMatrixCache;if(e&&e.key===t)return e.value;let i=this.getRelativeCenterPoint(),r=tI({angle:this.angle,translateX:i.x,translateY:i.y,scaleX:this.scaleX,scaleY:this.scaleY,skewX:this.skewX,skewY:this.skewY,flipX:this.flipX,flipY:this.flipY});return this.ownMatrixCache={key:t,value:r},r}_getNonTransformedDimensions(){return new to(this.width,this.height).scalarAdd(this.strokeWidth)}_calculateCurrentDimensions(t){return this._getTransformedDimensions(t).transform(this.getViewportTransform(),!0).scalarAdd(2*this.padding)}_getTransformedDimensions(){let t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},e=h({scaleX:this.scaleX,scaleY:this.scaleY,skewX:this.skewX,skewY:this.skewY,width:this.width,height:this.height,strokeWidth:this.strokeWidth},t),i=e.strokeWidth,r=i,s=0;this.strokeUniform&&(r=0,s=i);let n=e.width+r,o=e.height+r;return(0===e.skewX&&0===e.skewY?new to(n*e.scaleX,o*e.scaleY):er(n,o,tL(e))).scalarAdd(s)}translateToGivenOrigin(t,e,i,r,s){let n=t.x,o=t.y,a=ec(r)-ec(e),l=ec(s)-ec(i);if(a||l){let t=this._getTransformedDimensions();n+=a*t.x,o+=l*t.y}return new to(n,o)}translateToCenterPoint(t,e,i){if(e===P&&i===P)return t;let r=this.translateToGivenOrigin(t,e,i,P,P);return this.angle?r.rotate(tx(this.angle),t):r}translateToOriginPoint(t,e,i){let r=this.translateToGivenOrigin(t,P,P,e,i);return this.angle?r.rotate(tx(this.angle),t):r}getCenterPoint(){let t=this.getRelativeCenterPoint();return this.group?tS(t,this.group.calcTransformMatrix()):t}getRelativeCenterPoint(){return this.translateToCenterPoint(new to(this.left,this.top),this.originX,this.originY)}getPointByOrigin(t,e){return this.translateToOriginPoint(this.getRelativeCenterPoint(),t,e)}setPositionByOrigin(t,e,i){let r=this.translateToCenterPoint(t,e,i),s=this.translateToOriginPoint(r,this.originX,this.originY);this.set({left:s.x,top:s.y})}_getLeftTopCoords(){return this.translateToOriginPoint(this.getRelativeCenterPoint(),A,"top")}}let ij=["type"],iF=["extraParam"],iL=class t extends iA{static getDefaults(){return t.ownDefaults}get type(){let t=this.constructor.type;return"FabricObject"===t?"object":t.toLowerCase()}set type(t){f("warn","Setting type has no effect",t)}constructor(e){super(),a(this,"_cacheContext",null),Object.assign(this,t.ownDefaults),this.setOptions(e)}_createCacheCanvas(){this._cacheCanvas=tp(),this._cacheContext=this._cacheCanvas.getContext("2d"),this._updateCacheCanvas(),this.dirty=!0}_limitCacheSize(t){let e=t.width,i=t.height,r=g.maxCacheSideLimit,s=g.minCacheSideLimit;if(e<=r&&i<=r&&e*i<=g.perfLimitSizeTotal)return e<s&&(t.width=s),i<s&&(t.height=s),t;let[n,o]=w.limitDimsByArea(e/i),a=e7(s,n,r),l=e7(s,o,r);return e>a&&(t.zoomX/=e/a,t.width=a,t.capped=!0),i>l&&(t.zoomY/=i/l,t.height=l,t.capped=!0),t}_getCacheCanvasDimensions(){let t=this.getTotalObjectScaling(),e=this._getTransformedDimensions({skewX:0,skewY:0}),i=e.x*t.x/this.scaleX,r=e.y*t.y/this.scaleY;return{width:Math.ceil(i+2),height:Math.ceil(r+2),zoomX:t.x,zoomY:t.y,x:i,y:r}}_updateCacheCanvas(){let t=this._cacheCanvas,e=this._cacheContext,{width:i,height:r,zoomX:s,zoomY:n,x:o,y:a}=this._limitCacheSize(this._getCacheCanvasDimensions()),l=i!==t.width||r!==t.height,h=this.zoomX!==s||this.zoomY!==n;if(!t||!e)return!1;if(l||h){i!==t.width||r!==t.height?(t.width=i,t.height=r):(e.setTransform(1,0,0,1,0,0),e.clearRect(0,0,t.width,t.height));let l=o/2,h=a/2;return this.cacheTranslationX=Math.round(t.width/2-l)+l,this.cacheTranslationY=Math.round(t.height/2-h)+h,e.translate(this.cacheTranslationX,this.cacheTranslationY),e.scale(s,n),this.zoomX=s,this.zoomY=n,!0}return!1}setOptions(){let t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};this._setOptions(t)}transform(t){let 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])}getObjectScaling(){if(!this.group)return new to(Math.abs(this.scaleX),Math.abs(this.scaleY));let t=tk(this.calcTransformMatrix());return new to(Math.abs(t.scaleX),Math.abs(t.scaleY))}getTotalObjectScaling(){let t=this.getObjectScaling();if(this.canvas){let e=this.canvas.getZoom(),i=this.getCanvasRetinaScaling();return t.scalarMultiply(e*i)}return t}getObjectOpacity(){let t=this.opacity;return this.group&&(t*=this.group.getObjectOpacity()),t}_constrainScale(t){return Math.abs(t)<this.minScaleLimit?t<0?-this.minScaleLimit:this.minScaleLimit:0===t?1e-4:t}_set(t,e){t!==N&&t!==U||(e=this._constrainScale(e)),t===N&&e<0?(this.flipX=!this.flipX,e*=-1):"scaleY"===t&&e<0?(this.flipY=!this.flipY,e*=-1):"shadow"!==t||!e||e instanceof e8||(e=new e8(e));let i=this[t]!==e;return this[t]=e,i&&this.constructor.cacheProperties.includes(t)&&(this.dirty=!0),this.parent&&(this.dirty||i&&this.constructor.stateProperties.includes(t))&&this.parent._set("dirty",!0),this}isNotVisible(){return 0===this.opacity||!this.width&&!this.height&&0===this.strokeWidth||!this.visible}render(t){this.isNotVisible()||this.canvas&&this.canvas.skipOffscreen&&!this.group&&!this.isOnScreen()||(t.save(),this._setupCompositeOperation(t),this.drawSelectionBackgroun

1d(t),this.transform(t),this._setOpacity(t),this._setShadow(t),this.shouldCache()?(this.renderCache(),this.drawCacheOnCanvas(t)):(this._removeCacheCanvas(),this.drawObject(t,!1,{}),this.dirty=!1),t.restore())}drawSelectionBackground(t){}renderCache(t){if(t=t||{},this._cacheCanvas&&this._cacheContext||this._createCacheCanvas(),this.isCacheDirty()&&this._cacheContext){let{zoomX:e,zoomY:i,cacheTranslationX:r,cacheTranslationY:s}=this,{width:n,height:o}=this._cacheCanvas;this.drawObject(this._cacheContext,t.forClipping,{zoomX:e,zoomY:i,cacheTranslationX:r,cacheTranslationY:s,width:n,height:o,parentClipPaths:[]}),this.dirty=!1}}_removeCacheCanvas(){this._cacheCanvas=void 0,this._cacheContext=null}hasStroke(){return this.stroke&&"transparent"!==this.stroke&&0!==this.strokeWidth}hasFill(){return this.fill&&"transparent"!==this.fill}needsItsOwnCache(){return!!(this.paintFirst===Q&&this.hasFill()&&this.hasStroke()&&this.shadow)||!!this.clipPath}shouldCache(){return this.ownCaching=this.objectCaching&&(!this.parent||!this.parent.isOnACache())||this.needsItsOwnCache(),this.ownCaching}willDrawShadow(){return!!this.shadow&&(0!==this.shadow.offsetX||0!==this.shadow.offsetY)}drawClipPathOnCache(t,e,i){t.save(),e.inverted?t.globalCompositeOperation="destination-out":t.globalCompositeOperation="destination-in",t.setTransform(1,0,0,1,0,0),t.drawImage(i,0,0),t.restore()}drawObject(t,e,i){let r=this.fill,s=this.stroke;e?(this.fill="black",this.stroke="",this._setClippingProperties(t)):this._renderBackground(t),this._render(t),this._drawClipPath(t,this.clipPath,i),this.fill=r,this.stroke=s}createClipPathLayer(t,e){let i=tv(e),r=i.getContext("2d");if(r.translate(e.cacheTranslationX,e.cacheTranslationY),r.scale(e.zoomX,e.zoomY),t._cacheCanvas=i,e.parentClipPaths.forEach(t=>{t.transform(r)}),e.parentClipPaths.push(t),t.absolutePositioned){let t=tw(this.calcTransformMatrix());r.transform(t[0],t[1],t[2],t[3],t[4],t[5])}return t.transform(r),t.drawObject(r,!0,e),i}_drawClipPath(t,e,i){if(!e)return;e._transformDone=!0;let r=this.createClipPathLayer(e,i);this.drawClipPathOnCache(t,e,r)}drawCacheOnCanvas(t){t.scale(1/this.zoomX,1/this.zoomY),t.drawImage(this._cacheCanvas,-this.cacheTranslationX,-this.cacheTranslationY)}isCacheDirty(){let t=arguments.length>0&&void 0!==arguments[0]&&arguments[0];if(this.isNotVisible())return!1;let e=this._cacheCanvas,i=this._cacheContext;return!(!e||!i||t||!this._updateCacheCanvas())||!!(this.dirty||this.clipPath&&this.clipPath.absolutePositioned)&&(e&&i&&!t&&(i.save(),i.setTransform(1,0,0,1,0,0),i.clearRect(0,0,e.width,e.height),i.restore()),!0)}_renderBackground(t){if(!this.backgroundColor)return;let e=this._getNonTransformedDimensions();t.fillStyle=this.backgroundColor,t.fillRect(-e.x/2,-e.y/2,e.x,e.y),this._removeShadow(t)}_setOpacity(t){this.group&&!this.group._transformDone?t.globalAlpha=this.getObjectOpacity():t.globalAlpha*=this.opacity}_setStrokeStyles(t,e){let i=e.stroke;i&&(t.lineWidth=e.strokeWidth,t.lineCap=e.strokeLineCap,t.lineDashOffset=e.strokeDashOffset,t.lineJoin=e.strokeLineJoin,t.miterLimit=e.strokeMiterLimit,tz(i)?"percentage"===i.gradientUnits||i.gradientTransform||i.patternTransform?this._applyPatternForTransformedGradient(t,i):(t.strokeStyle=i.toLive(t),this._applyPatternGradientTransform(t,i)):t.strokeStyle=e.stroke)}_setFillStyles(t,e){let{fill:i}=e;i&&(tz(i)?(t.fillStyle=i.toLive(t),this._applyPatternGradientTransform(t,i)):t.fillStyle=i)}_setClippingProperties(t){t.globalAlpha=1,t.strokeStyle="transparent",t.fillStyle="#000000"}_setLineDash(t,e){e&&0!==e.length&&t.setLineDash(e)}_setShadow(t){if(!this.shadow)return;let e=this.shadow,i=this.canvas,r=this.getCanvasRetinaScaling(),[s,,,n]=(null==i?void 0:i.viewportTransform)||E,o=s*r,a=n*r,l=e.nonScaling?new to(1,1):this.getObjectScaling();t.shadowColor=e.color,t.shadowBlur=e.blur*g.browserShadowBlurConstant*(o+a)*(l.x+l.y)/4,t.shadowOffsetX=e.offsetX*o*l.x,t.shadowOffsetY=e.offsetY*a*l.y}_removeShadow(t){this.shadow&&(t.shadowColor="",t.shadowBlur=t.shadowOffsetX=t.shadowOffsetY=0)}_applyPatternGradientTransform(t,e){if(!tz(e))return{offsetX:0,offsetY:0};let i=e.gradientTransform||e.patternTransform,r=-this.width/2+e.offsetX||0,s=-this.height/2+e.offsetY||0;return"percentage"===e.gradientUnits?t.transform(this.width,0,0,this.height,r,s):t.transform(1,0,0,1,r,s),i&&t.transform(i[0],i[1],i[2],i[3],i[4],i[5]),{offsetX:r,offsetY:s}}_renderPaintInOrder(t){this.paintFirst===Q?(this._renderStroke(t),this._renderFill(t)):(this._renderFill(t),this._renderStroke(t))}_render(t){}_renderFill(t){this.fill&&(t.save(),this._setFillStyles(t,this),"evenodd"===this.fillRule?t.fill("evenodd"):t.fill(),t.restore(

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1(function(t,e,i){let{target:r,ex:s,ey:n,skewingSide:o}=e,a=c(e,iZ),{skew:l}=i$[t],h=i.subtract(new to(s,n)).divide(new to(r.scaleX,r.scaleY))[t],u=r[l],d=Math.tan(tx(a[l])),g=tC(Math.atan(2*h*o/Math.max("y"===t?r._getTransformedDimensions({scaleX:1,scaleY:1,skewX:0}).x:r._getTransformedDimensions({scaleX:1,scaleY:1}).y,1)+d));r.set(l,g);let f=u!==r[l];if(f&&"y"===t){let{skewX:t,scaleX:e}=r,i=r._getTransformedDimensions({skewY:u}),s=r._getTransformedDimensions(),n=0!==t?i.x/s.x:1;1!==n&&r.set(N,n*e)}return f})(t,i,new to(r,s))))(e,h(h({},i),{},{[a]:m,skewingSide:p}),r,s)}let i5=(t,e,i,r)=>i2("x",t,e,i,r),i3=(t,e,i,r)=>i2("y",t,e,i,r);function i4(t,e){return t[e.canvas.altActionKey]}let i6=(t,e,i)=>{let r=i4(t,i);return 0===e.x?r?q:U:0===e.y?r?K:N:""},i8=(t,e,i)=>i4(t,i)?i1(0,e,i):iU(t,e,i),i7=(t,e,i,r)=>i4(t,e.target)?i3(t,e,i,r):iJ(t,e,i,r),i9=(t,e,i,r)=>i4(t,e.target)?i5(t,e,i,r):iQ(t,e,i,r),rt=()=>({ml:new iW({x:-.5,y:0,cursorStyleHandler:i8,actionHandler:i7,getActionName:i6}),mr:new iW({x:.5,y:0,cursorStyleHandler:i8,actionHandler:i7,getActionName:i6}),mb:new iW({x:0,y:.5,cursorStyleHandler:i8,actionHandler:i9,getActionName:i6}),mt:new iW({x:0,y:-.5,cursorStyleHandler:i8,actionHandler:i9,getActionName:i6}),tl:new iW({x:-.5,y:-.5,cursorStyleHandler:iU,actionHandler:iK}),tr:new iW({x:.5,y:-.5,cursorStyleHandler:iU,actionHandler:iK}),bl:new iW({x:-.5,y:.5,cursorStyleHandler:iU,actionHandler:iK}),br:new iW({x:.5,y:.5,cursorStyleHandler:iU,actionHandler:iK}),mtr:new iW({x:0,y:-.5,actionHandler:iH,cursorStyleHandler:iV,offsetY:-40,withConnection:!0,actionName:Y})}),re=()=>({mr:new iW({x:.5,y:0,actionHandler:iB,cursorStyleHandler:i8,actionName:V}),ml:new iW({x:-.5,y:0,actionHandler:iB,cursorStyleHandler:i8,actionName:V})}),ri=()=>h(h({},rt()),re());class rr extends iL{static getDefaults(){return h(h({},super.getDefaults()),rr.ownDefaults)}constructor(t){super(),Object.assign(this,this.constructor.createControls(),rr.ownDefaults),this.setOptions(t)}static createControls(){return{controls:rt()}}_updateCacheCanvas(){let t=this.canvas;if(this.noScaleCache&&t&&t._currentTransform){let e=t._currentTransform,i=e.target,r=e.action;if(this===i&&r&&r.startsWith(G))return!1}return super._updateCacheCanvas()}getActiveControl(){let t=this.__corner;return t?{key:t,control:this.controls[t],coord:this.oCoords[t]}:void 0}findControl(t){let e=arguments.length>1&&void 0!==arguments[1]&&arguments[1];if(!this.hasControls||!this.canvas)return;this.__corner=void 0;let i=Object.entries(this.oCoords);for(let r=i.length-1;r>=0;r--){let[s,n]=i[r],o=this.controls[s];if(o.shouldActivate(s,this,t,e?n.touchCorner:n.corner))return this.__corner=s,{key:s,control:o,coord:this.oCoords[s]}}}calcOCoords(){let t=this.getViewportTransform(),e=this.getCenterPoint(),i=tT(tM(e.x,e.y),tE({angle:this.getTotalAngle()-(this.group&&this.flipX?180:0)})),r=tT(t,i),s=tT(r,[1/t[0],0,0,1/t[3],0,0]),n=this.group?tk(this.calcTransformMatrix()):void 0;n&&(n.scaleX=Math.abs(n.scaleX),n.scaleY=Math.abs(n.scaleY));let o=this._calculateCurrentDimensions(n),a={};return this.forEachControl((t,e)=>{let i=t.positionHandler(o,s,this,t);a[e]=Object.assign(i,this._calcCornerCoords(t,i))}),a}_calcCornerCoords(t,e){let i=this.getTotalAngle();return{corner:t.calcCornerCoords(i,this.cornerSize,e.x,e.y,!1,this),touchCorner:t.calcCornerCoords(i,this.touchCornerSize,e.x,e.y,!0,this)}}setCoords(){super.setCoords(),this.canvas&&(this.oCoords=this.calcOCoords())}forEachControl(t){for(let e in this.controls)t(this.controls[e],e,this)}drawSelectionBackground(t){if(!this.selectionBackgroundColor||this.canvas&&this.canvas._activeObject!==this)return;t.save();let e=this.getRelativeCenterPoint(),i=this._calculateCurrentDimensions(),r=this.getViewportTransform();t.translate(e.x,e.y),t.scale(1/r[0],1/r[3]),t.rotate(tx(this.angle)),t.fillStyle=this.selectionBackgroundColor,t.fillRect(-i.x/2,-i.y/2,i.x,i.y),t.restore()}strokeBorders(t,e){t.strokeRect(-e.x/2,-e.y/2,e.x,e.y)}_drawBorders(t,e){let i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{},r=h({hasControls:this.hasControls,borderColor:this.borderColor,borderDashArray:this.borderDashArray},i);t.save(),t.strokeStyle=r.borderColor,this._setLineDash(t,r.borderDashArray),this.strokeBorders(t,e),r.hasControls&&this.drawControlsConnectingLines(t,e),t.restore(

1)}_renderControls(t){let e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},{hasBorders:i,hasControls:r}=this,s=h({hasBorders:i,hasControls:r},e),n=this.getViewportTransform(),o=s.hasBorders,a=s.hasControls,l=tk(tT(n,this.calcTransformMatrix()));t.save(),t.translate(l.translateX,l.translateY),t.lineWidth=this.borderScaleFactor,this.group===this.parent&&(t.globalAlpha=this.isMoving?this.borderOpacityWhenMoving:1),this.flipX&&(l.angle-=180),t.rotate(tx(this.group?l.angle:this.angle)),o&&this.drawBorders(t,l,e),a&&this.drawControls(t,e),t.restore()}drawBorders(t,e,i){let r;if(i&&i.forActiveSelection||this.group){let t=er(this.width,this.height,tL(e)),i=this.isStrokeAccountedForInDimensions()?ta:(this.strokeUniform?(new to).scalarAdd(this.canvas?this.canvas.getZoom():1):new to(e.scaleX,e.scaleY)).scalarMultiply(this.strokeWidth);r=t.add(i).scalarAdd(this.borderScaleFactor).scalarAdd(2*this.padding)}else r=this._calculateCurrentDimensions().scalarAdd(this.borderScaleFactor);this._drawBorders(t,r,i)}drawControlsConnectingLines(t,e){let i=!1;t.beginPath(),this.forEachControl((r,s)=>{r.withConnection&&r.getVisibility(this,s)&&(i=!0,t.moveTo(r.x*e.x,r.y*e.y),t.lineTo(r.x*e.x+r.offsetX,r.y*e.y+r.offsetY))}),i&&t.stroke()}drawControls(t){let e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};t.save();let i=this.getCanvasRetinaScaling(),{cornerStrokeColor:r,cornerDashArray:s,cornerColor:n}=this,o=h({cornerStrokeColor:r,cornerDashArray:s,cornerColor:n},e);t.setTransform(i,0,0,i,0,0),t.strokeStyle=t.fillStyle=o.cornerColor,this.transparentCorners||(t.strokeStyle=o.cornerStrokeColor),this._setLineDash(t,o.cornerDashArray),this.forEachControl((e,i)=>{if(e.getVisibility(this,i)){let r=this.oCoords[i];e.render(t,r.x,r.y,o,this)}}),t.restore()}isControlVisible(t){return this.controls[t]&&this.controls[t].getVisibility(this,t)}setControlVisible(t,e){this._controlsVisibility||(this._controlsVisibility={}),this._controlsVisibility[t]=e}setControlsVisibility(){let t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};Object.entries(t).forEach(t=>{let[e,i]=t;return this.setControlVisible(e,i)})}clearContextTop(t){if(!this.canvas)return;let e=this.canvas.contextTop;if(!e)return;let i=this.canvas.viewportTransform;e.save(),e.transform(i[0],i[1],i[2],i[3],i[4],i[5]),this.transform(e);let r=this.width+4,s=this.height+4;return e.clearRect(-r/2,-s/2,r,s),t||e.restore(),e}onDeselect(t){return!1}onSelect(t){return!1}shouldStartDragging(t){return!1}onDragStart(t){return!1}canDrop(t){return!1}renderDragSourceEffect(t){}renderDropTargetEffect(t){}}function rs(t,e){return e.forEach(e=>{Object.getOwnPropertyNames(e.prototype).forEach(i=>{"constructor"!==i&&Object.defineProperty(t.prototype,i,Object.getOwnPropertyDescriptor(e.prototype,i)||Object.create(null))})}),t}a(rr,"ownDefaults",{noScaleCache:!0,lockMovementX:!1,lockMovementY:!1,lockRotation:!1,lockScalingX:!1,lockScalingY:!1,lockSkewingX:!1,lockSkewingY:!1,lockScalingFlip:!1,cornerSize:13,touchCornerSize:24,transparentCorners:!0,cornerColor:"rgb(178,204,255)",cornerStrokeColor:"",cornerStyle:"rect",cornerDashArray:null,hasControls:!0,borderColor:"rgb(178,204,255)",borderDashArray:null,borderOpacityWhenMoving:.4,borderScaleFactor:1,hasBorders:!0,selectionBackgroundColor:"",selectable:!0,evented:!0,perPixelTargetFind:!1,activeOn:"down",hoverCursor:null,moveCursor:null});class rn extends rr{}rs(rn,[ek]),tt.setClass(rn),tt.setClass(rn,"object");let ro=(t,e,i,r)=>{let s=2*(r=Math.round(r))+1,{data:n}=t.getImageData(e-r,i-r,s,s);for(let t=3;t<n.length;t+=4)if(n[t]>0)return!1;return!0};class ra{constructor(t){this.options=t,this.strokeProjectionMagnitude=this.options.strokeWidth/2,this.scale=new to(this.options.scaleX,this.options.scaleY),this.strokeUniformScalar=this.options.strokeUniform?new to(1/this.options.scaleX,1/this.options.scaleY):new to(1,1)}createSideVector(t,e){let i=eJ(t,e);return this.options.strokeUniform?i.multiply(this.scale):i}projectOrthogonally(t,e,i){return this.applySkew(t.add(this.calcOrthogonalProjection(t,e,i)))}isSkewed(){return 0!==this.options.skewX||0!==this.options.skewY}applySkew(t){let e=new to(t);return e.y+=e.x*Math.tan(tx(this.options.skewY)),e.x+=e.y*Math.tan(tx(this.options.skewX)),e}scaleUnitVector(t,e){return t.multiply(this.strokeUniformScalar).scalarMultiply(e)}}

1let rl=new to;class rh extends ra{static getOrthogonalRotationFactor(t,e){return Math.abs(e?eZ(t,e):e$(t))<D?-1:1}constructor(t,e,i,r){super(r),a(this,"AB",void 0),a(this,"AC",void 0),a(this,"alpha",void 0),a(this,"bisector",void 0),this.A=new to(t),this.B=new to(e),this.C=new to(i),this.AB=this.createSideVector(this.A,this.B),this.AC=this.createSideVector(this.A,this.C),this.alpha=eZ(this.AB,this.AC),this.bisector=e0(eK(this.AB.eq(rl)?this.AC:this.AB,this.alpha/2))}calcOrthogonalProjection(t,e){let i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:this.strokeProjectionMagnitude,r=e1(this.createSideVector(t,e)),s=rh.getOrthogonalRotationFactor(r,this.bisector);return this.scaleUnitVector(r,i*s)}projectBevel(){let t=[];return(this.alpha%k==0?[this.B]:[this.B,this.C]).forEach(e=>{t.push(this.projectOrthogonally(this.A,e)),t.push(this.projectOrthogonally(this.A,e,-this.strokeProjectionMagnitude))}),t}projectMiter(){let t=[],e=1/Math.sin(Math.abs(this.alpha)/2),i=this.scaleUnitVector(this.bisector,-this.strokeProjectionMagnitude*e),r=this.options.strokeUniform?eQ(this.scaleUnitVector(this.bisector,this.options.strokeMiterLimit)):this.options.strokeMiterLimit;return eQ(i)/this.strokeProjectionMagnitude<=r&&t.push(this.applySkew(this.A.add(i))),t.push(...this.projectBevel()),t}projectRoundNoSkew(t,e){let i=[],r=new to(rh.getOrthogonalRotationFactor(this.bisector),rh.getOrthogonalRotationFactor(new to(this.bisector.y,this.bisector.x)));return[new to(1,0).scalarMultiply(this.strokeProjectionMagnitude).multiply(this.strokeUniformScalar).multiply(r),new to(0,1).scalarMultiply(this.strokeProjectionMagnitude).multiply(this.strokeUniformScalar).multiply(r)].forEach(r=>{e3(r,t,e)&&i.push(this.A.add(r))}),i}projectRoundWithSkew(t,e){let i=[],{skewX:r,skewY:s,scaleX:n,scaleY:o,strokeUniform:a}=this.options,l=new to(Math.tan(tx(r)),Math.tan(tx(s))),h=this.strokeProjectionMagnitude,c=a?h/o/Math.sqrt(1/o**2+1/n**2*l.y**2):h/Math.sqrt(1+l.y**2),u=new to(Math.sqrt(Math.max(h**2-c**2,0)),c),d=a?h/Math.sqrt(1+l.x**2*(1/o)**2/(1/n+1/n*l.x*l.y)**2):h/Math.sqrt(1+l.x**2/(1+l.x*l.y)**2),g=new to(d,Math.sqrt(Math.max(h**2-d**2,0)));return[g,g.scalarMultiply(-1),u,u.scalarMultiply(-1)].map(t=>this.applySkew(a?t.multiply(this.strokeUniformScalar):t)).forEach(r=>{e3(r,t,e)&&i.push(this.applySkew(this.A).add(r))}),i}projectRound(){let t=[];t.push(...this.projectBevel());let e=this.alpha%k==0,i=this.applySkew(this.A),r=t[2*!e].subtract(i),s=t[+!!e].subtract(i),n=e2(r,e?this.applySkew(this.AB.scalarMultiply(-1)):this.applySkew(this.bisector.multiply(this.strokeUniformScalar).scalarMultiply(-1)))>0,o=n?r:s,a=n?s:r;return this.isSkewed()?t.push(...this.projectRoundWithSkew(o,a)):t.push(...this.projectRoundNoSkew(o,a)),t}projectPoints(){switch(this.options.strokeLineJoin){case"miter":return this.projectMiter();case"round":return this.projectRound();default:return this.projectBevel()}}project(){return this.projectPoints().map(t=>({originPoint:this.A,projectedPoint:t,angle:this.alpha,bisector:this.bisector}))}}class rc extends ra{constructor(t,e,i){super(i),this.A=new to(t),this.T=new to(e)}calcOrthogonalProjection(t,e){let i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:this.strokeProjectionMagnitude,r=this.createSideVector(t,e);return this.scaleUnitVector(e1(r),i)}projectButt(){return[this.projectOrthogonally(this.A,this.T,this.strokeProjectionMagnitude),this.projectOrthogonally(this.A,this.T,-this.strokeProjectionMagnitude)]}projectRound(){let t=[];if(!this.isSkewed()&&this.A.eq(this.T)){let e=new to(1,1).scalarMultiply(this.strokeProjectionMagnitude).multiply(this.strokeUniformScalar);t.push(this.applySkew(this.A.add(e)),this.applySkew(this.A.subtract(e)))}else t.push(...new rh(this.A,this.T,this.T,this.options).projectRound());return t}projectSquare(){let t=[];if(this.A.eq(this.T)){let e=new to(1,1).scalarMultiply(this.strokeProjectionMagnitude).multiply(this.strokeUniformScalar);t.push(this.A.add(e),this.A.subtract(e))}else{let e=this.calcOrthogonalProjection(this.A,this.T,this.strokeProjectionMagnitude),i=this.scaleUnitVector(e0(this.createSideVector(this.A,this.T)),-this.strokeProjectionMagnitude),r=this.A.add(i);t.push(r.add(e),r.subtract(e))}return t.map(t=>this.applySkew(t))}projectPoints(){switch(this.options.strokeLineCap){case"round":return this.projectRound();case"square":return this.projectSquare();default:return this.projectButt()}}project(){return this.projectPoints().map(t=>({originPoint:this.A,projectedPoint:t}))}}let ru=function(t,e){let i=arguments.length>2&&void 0!==arguments[2]&&arguments[2],r=[];if(0===t.length)return r;let s=t.reduce((t,e)=>(t[t.length-1].eq(e)||t.push(new to(e)),t),[new to(t[0])]);if(1===s.length)i=!0;else if(!i){let t=s[0],e=((t,e)=>{for(let i=t.length-1;i>=0;i--)if(e(t[i],i,t))return i;return -1})(s,e=>!e.eq(t));s.splice(e+1)}

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i=this.canvas&&this.canvas.getActiveObject&&this.canvas.getActiveObject();i&&(i===t||t.isDescendantOf(i))&&this._activeObjects.push(t)}exitGroup(t,e){this._exitGroup(t,e),t._set("parent",void 0),t._set("canvas",void 0)}_exitGroup(t,e){t._set("group",void 0),e||(et(t,tT(this.calcTransformMatrix(),t.calcTransformMatrix())),t.setCoords()),this._watchObject(!1,t);let i=this._activeObjects.length>0?this._activeObjects.indexOf(t):-1;i>-1&&this._activeObjects.splice(i,1)}shouldCache(){let t=rn.prototype.shouldCache.call(this);if(t){for(let t=0;t<this._objects.length;t++)if(this._objects[t].willDrawShadow())return this.ownCaching=!1,!1}return t}willDrawShadow(){if(super.willDrawShadow())return!0;for(let t=0;t<this._objects.length;t++)if(this._objects[t].willDrawShadow())return!0;return!1}isOnACache(){return this.ownCaching||!!this.parent&&this.parent.isOnACache()}drawObject(t,e,i){this._renderBackground(t);for(let e=0;e<this._objects.length;e++){var r;let 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1this.upper={el:s,ctx:s.getContext("2d")},this.applyCanvasStyle(r,{allowTouchScrolling:e}),this.applyCanvasStyle(s,{allowTouchScrolling:e,styles:{position:"absolute",left:"0",top:"0"}});let n=this.createContainerElement();n.classList.add(i),r.parentNode&&r.parentNode.replaceChild(n,r),n.append(r,s),this.container=n}createUpperCanvas(){let{el:t}=this.lower,e=tp();return e.className=t.className,e.classList.remove("lower-canvas"),e.classList.add("upper-canvas"),e.setAttribute("data-fabric","top"),e.style.cssText=t.style.cssText,e.setAttribute("draggable","true"),e}createContainerElement(){let t=C().createElement("div");return t.setAttribute("data-fabric","wrapper"),sy(t,{position:"relative"}),t$(t),t}applyCanvasStyle(t,e){let{styles:i,allowTouchScrolling:r}=e;sy(t,h(h({},i),{},{"touch-action":r?"manipulation":L})),t$(t)}setDimensions(t,e){super.setDimensions(t,e);let{el:i,ctx:r}=this.upper;tQ(i,r,t,e)}setCSSDimensions(t){super.setCSSDimensions(t),tZ(this.upper.el,t),tZ(this.container,t)}cleanupDOM(t){let e=this.container,{el:i}=this.lower,{el:r}=this.upper;super.cleanupDOM(t),e.removeChild(r),e.removeChild(i),e.parentNode&&e.parentNode.replaceChild(i,e)}dispose(){super.dispose(),x().dispose(this.upper.el),delete this.upper,delete this.container}}class sC extends t2{constructor(){super(...arguments),a(this,"targets",[]),a(this,"_hoveredTargets",[]),a(this,"_objectsToRender",void 0),a(this,"_currentTransform",null),a(this,"_groupSelector",null),a(this,"contextTopDirty",!1)}static getDefaults(){return h(h({},super.getDefaults()),sC.ownDefaults)}get upperCanvasEl(){var t;return null==(t=this.elements.upper)?void 0:t.el}get contextTop(){var t;return null==(t=this.elements.upper)?void 0:t.ctx}get wrapperEl(){return this.elements.container}initElements(t){this.elements=new sx(t,{allowTouchScrolling:this.allowTouchScrolling,containerClass:this.containerClass}),this._createCacheCanvas()}_onObjectAdded(t){this._objectsToRender=void 0,super._onObjectAdded(t)}_onObjectRemoved(t){this._objectsToRender=void 0,t===this._activeObject&&(this.fire("before:selection:cleared",{deselected:[t]}),this._discardActiveObject(),this.fire("selection:cleared",{deselected:[t]}),t.fire("deselected",{target:t})),t===this._hoveredTarget&&(this._hoveredTarget=void 0,this._hoveredTargets=[]),super._onObjectRemoved(t)}_onStackOrderChanged(){this._objectsToRender=void 0,super._onStackOrderChanged()}_chooseObjectsToRender(){let t=this._activeObject;return!this.preserveObjectStacking&&t?this._objects.filter(e=>!e.group&&e!==t).concat(t):this._objects}renderAll(){this.cancelRequestedRender(),this.destroyed||(!this.contextTopDirty||this._groupSelector||this.isDrawingMode||(this.clearContext(this.contextTop),this.contextTopDirty=!1),this.hasLostContext&&(this.renderTopLayer(this.contextTop),this.hasLostContext=!1),this._objectsToRender||(this._objectsToRender=this._chooseObjectsToRender()),this.renderCanvas(this.getContext(),this._objectsToRender))}renderTopLayer(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(){let t=this.contextTop;this.clearContext(t),this.renderTopLayer(t),this.fire("after:render",{ctx:t})}setTargetFindTolerance(t){t=Math.round(t),this.targetFindTolerance=t;let e=this.getRetinaScaling(),i=Math.ceil((2*t+1)*e);this.pixelFindCanvasEl.width=this.pixelFindCanvasEl.height=i,this.pixelFindContext.scale(e,e)}

1isTargetTransparent(t,e,i){let r=this.targetFindTolerance,s=this.pixelFindContext;this.clearContext(s),s.save(),s.translate(-e+r,-i+r),s.transform(...this.viewportTransform);let n=t.selectionBackgroundColor;t.selectionBackgroundColor="",t.render(s),t.selectionBackgroundColor=n,s.restore();let o=Math.round(r*this.getRetinaScaling());return ro(s,o,o,o)}_isSelectionKeyPressed(t){let e=this.selectionKey;return!!e&&(Array.isArray(e)?!!e.find(e=>!!e&&!0===t[e]):t[e])}_shouldClearSelection(t,e){let 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(t,e,i){let r;if(t)return e===G||e===N||e===U||e===V?r=this.centeredScaling||t.centeredScaling:e===Y&&(r=this.centeredRotation||t.centeredRotation),r?!i:i}_getOriginFromCorner(t,e){let i={x:t.originX,y:t.originY};return e&&(["ml","tl","bl"].includes(e)?i.x=F:["mr","tr","br"].includes(e)&&(i.x=A),["tl","mt","tr"].includes(e)?i.y=j:["bl","mb","br"].includes(e)&&(i.y="top")),i}_setupCurrentTransform(t,e,i){var r;let s=e.group?en(this.getScenePoint(t),void 0,e.group.calcTransformMatrix()):this.getScenePoint(t),{key:n="",control:o}=e.getActiveControl()||{},a=i&&o?null==(r=o.getActionHandler(t,e,o))?void 0:r.bind(o):ev,l=((t,e,i,r)=>{if(!e||!t)return"drag";let s=r.controls[e];return s.getActionName(i,s,r)})(i,n,t,e),c=t[this.centeredKey],u=this._shouldCenterTransform(e,l,c)?{x:P,y:P}:this._getOriginFromCorner(e,n),d={target:e,action:l,actionHandler:a,actionPerformed:!1,corner:n,scaleX:e.scaleX,scaleY:e.scaleY,skewX:e.skewX,skewY:e.skewY,offsetX:s.x-e.left,offsetY:s.y-e.top,originX:u.x,originY:u.y,ex:s.x,ey:s.y,lastX:s.x,lastY:s.y,theta:tx(e.angle),width:e.width,height:e.height,shiftKey:t.shiftKey,altKey:c,original:h(h({},ei(e)),{},{originX:u.x,originY:u.y})};this._currentTransform=d,this.fire("before:transform",{e:t,transform:d})}setCursor(t){this.upperCanvasEl.style.cursor=t}_drawSelection(t){let{x:e,y:i,deltaX:r,deltaY:s}=this._groupSelector,n=new to(e,i).transform(this.viewportTransform),o=new to(e+r,i+s).transform(this.viewportTransform),a=this.selectionLineWidth/2,l=Math.min(n.x,o.x),h=Math.min(n.y,o.y),c=Math.max(n.x,o.x),u=Math.max(n.y,o.y);this.selectionColor&&(t.fillStyle=this.selectionColor,t.fillRect(l,h,c-l,u-h)),this.selectionLineWidth&&this.selectionBorderColor&&(t.lineWidth=this.selectionLineWidth,t.strokeStyle=this.selectionBorderColor,l+=a,h+=a,c-=a,u-=a,rn.prototype._setLineDash.call(this,t,this.selectionDashArray),t.strokeRect(l,h,c-l,u-h))}findTarget(t){if(this.skipTargetFind)return;let e=this.getViewportPoint(t),i=this._activeObject,r=this.getActiveObjects();if(this.targets=[],i&&r.length>=1){if(i.findControl(e,t4(t))||r.length>1&&this.searchPossibleTargets([i],e))return i;if(i===this.searchPossibleTargets([i],e)){if(this.preserveObjectStacking){let r=this.targets;this.targets=[];let s=this.searchPossibleTargets(this._objects,e);return t[this.altSelectionKey]&&s&&s!==i?(this.targets=r,i):s}return i}}return this.searchPossibleTargets(this._objects,e)}_pointIsInObjectSelectionArea(t,e){let i=t.getCoords(),r=this.getZoom(),s=t.padding/r;if(s){let[t,e,r,n]=i,o=Math.atan2(e.y-t.y,e.x-t.x),a=ts(o)*s,l=tn(o)*s,h=a+l,c=a-l;i=[new to(t.x-c,t.y-h),new to(e.x+h,e.y-c),new to(r.x+c,r.y+h),new to(n.x-h,n.y+c)]}return iP.isPointInPolygon(e,i)}_checkTarget(t,e){return!(!(t&&t.visible&&t.evented&&this._pointIsInObjectSelectionArea(t,en(e,void 0,this.viewportTransform)))||(this.perPixelTargetFind||t.perPixelTargetFind)&&!t.isEditing&&this.isTargetTransparent

1(t,e.x,e.y))||!1}_searchPossibleTargets(t,e){let i=t.length;for(;i--;){let r=t[i];if(this._checkTarget(r,e)){if(tl(r)&&r.subTargetCheck){let t=this._searchPossibleTargets(r._objects,e);t&&this.targets.push(t)}return r}}}searchPossibleTargets(t,e){let i=this._searchPossibleTargets(t,e);if(i&&tl(i)&&i.interactive&&this.targets[0]){let t=this.targets;for(let e=t.length-1;e>0;e--){let i=t[e];if(!tl(i)||!i.interactive)return i}return t[0]}return i}getViewportPoint(t){return this._pointer?this._pointer:this.getPointer(t,!0)}getScenePoint(t){return this._absolutePointer?this._absolutePointer:this.getPointer(t)}getPointer(t){let e=arguments.length>1&&void 0!==arguments[1]&&arguments[1],i=this.upperCanvasEl,r=i.getBoundingClientRect(),s=t3(t),n=r.width||0,o=r.height||0;n&&o||("top"in r&&j in r&&(o=Math.abs(r.top-r.bottom)),F in r&&A in r&&(n=Math.abs(r.right-r.left))),this.calcOffset(),s.x=s.x-this._offset.left,s.y=s.y-this._offset.top,e||(s=en(s,void 0,this.viewportTransform));let a=this.getRetinaScaling();1!==a&&(s.x/=a,s.y/=a);let l=0===n||0===o?new to(1,1):new to(i.width/n,i.height/o);return s.multiply(l)}_setDimensionsImpl(t,e){this._resetTransformEventData(),super._setDimensionsImpl(t,e),this._isCurrentlyDrawing&&this.freeDrawingBrush&&this.freeDrawingBrush._setBrushStyles(this.contextTop)}_createCacheCanvas(){this.pixelFindCanvasEl=tp(),this.pixelFindContext=this.pixelFindCanvasEl.getContext("2d",{willReadFrequently:!0}),this.setTargetFindTolerance(this.targetFindTolerance)}getTopContext(){return this.elements.upper.ctx}getSelectionContext(){return this.elements.upper.ctx}getSelectionElement(){return this.elements.upper.el}getActiveObject(){return this._activeObject}getActiveObjects(){let t=this._activeObject;return tU(t)?t.getObjects():t?[t]:[]}_fireSelectionEvents(t,e){let i=!1,r=!1,s=this.getActiveObjects(),n=[],o=[];t.forEach(t=>{s.includes(t)||(i=!0,t.fire("deselected",{e:e,target:t}),o.push(t))}),s.forEach(r=>{t.includes(r)||(i=!0,r.fire("selected",{e:e,target:r}),n.push(r))}),t.length>0&&s.length>0?(r=!0,i&&this.fire("selection:updated",{e:e,selected:n,deselected:o})):s.length>0?(r=!0,this.fire("selection:created",{e:e,selected:n})):t.length>0&&(r=!0,this.fire("selection:cleared",{e:e,deselected:o})),r&&(this._objectsToRender=void 0)}setActiveObject(t,e){let i=this.getActiveObjects(),r=this._setActiveObject(t,e);return this._fireSelectionEvents(i,e),r}_setActiveObject(t,e){let i=this._activeObject;return i!==t&&!(!this._discardActiveObject(e,t)&&this._activeObject)&&!t.onSelect({e:e})&&(this._activeObject=t,tU(t)&&i!==t&&t.set("canvas",this),t.setCoords(),!0)}_discardActiveObject(t,e){let i=this._activeObject;return!!i&&!i.onDeselect({e:t,object:e})&&(this._currentTransform&&this._currentTransform.target===i&&this.endCurrentTransform(t),tU(i)&&i===this._hoveredTarget&&(this._hoveredTarget=void 0),this._activeObject=void 0,!0)}discardActiveObject(t){let e=this.getActiveObjects(),i=this.getActiveObject();e.length&&this.fire("before:selection:cleared",{e:t,deselected:[i]});let r=this._discardActiveObject(t);return this._fireSelectionEvents(e,t),r}endCurrentTransform(t){let e=this._currentTransform;this._finalizeCurrentTransform(t),e&&e.target&&(e.target.isMoving=!1),this._currentTransform=null}_finalizeCurrentTransform(t){let 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.fire("object:modified",r),i.fire(Z,r))}setViewportTransform(t){super.setViewportTransform(t);let e=this._activeObject;e&&e.setCoords()}destroy(){let t=this._activeObject;tU(t)&&(t.removeAll(),t.dispose()),delete this._activeObject,super.destroy(),this.pixelFindContext=null,this.pixelFindCanvasEl=void 0}clear(){this.discardActiveObject(),this._activeObject=void 0,this.clearContext(this.contextTop),super.clear()}drawControls(t){let e=this._activeObject;e&&e._renderControls(t)}_toObject(t,e,i){let r=this._realizeGroupTransformOnObject(t),s=super._toObject(t,e,i);return t.set(r),s}_realizeGroupTransformOnObject(t){let{group:e}=t;if(e&&tU(e)&&this._activeObject===e){let i=tY(t,["angle","flipX","flipY",A,N,U,q,K,"top"]);return t9(t,e.calcOwnMatrix()),i}return{}}_setSVGObject(t,e,i){let r=this._realizeGroupTransformOnObject(e);super._setSVGObject(t,e,i),e.set(r)}}a(sC,"ownDefaults",{uniformScaling:!0,uniScaleKey:"shiftKey",centeredScaling:!1,centeredRotation:!1,centeredKey:"altKey",altActionKey:"shiftKey",selection:!0,selectionKey:"shiftKey",selectionColor:"rgba(100, 100, 255, 0.3)",selectionDashArray:[],selectionBorderColor:"rgba(255, 255, 255, 0.3)",selectionLineWidth:1,selectionFullyContained:!1,hoverCurs

1or:"move",moveCursor:"move",defaultCursor:"default",freeDrawingCursor:"crosshair",notAllowedCursor:"not-allowed",perPixelTargetFind:!1,targetFindTolerance:0,skipTargetFind:!1,stopContextMenu:!1,fireRightClick:!1,fireMiddleClick:!1,enablePointerEvents:!1,containerClass:"canvas-container",preserveObjectStacking:!1});class sb{constructor(t){a(this,"targets",[]),a(this,"__disposer",void 0);let e=()=>{let{hiddenTextarea:e}=t.getActiveObject()||{};e&&e.focus()},i=t.upperCanvasEl;i.addEventListener("click",e),this.__disposer=()=>i.removeEventListener("click",e)}exitTextEditing(){this.target=void 0,this.targets.forEach(t=>{t.isEditing&&t.exitEditing()})}add(t){this.targets.push(t)}remove(t){this.unregister(t),tr(this.targets,t)}register(t){this.target=t}unregister(t){t===this.target&&(this.target=void 0)}onMouseMove(t){var e;(null==(e=this.target)?void 0:e.isEditing)&&this.target.updateSelectionOnMouseMove(t)}clear(){this.targets=[],this.target=void 0}dispose(){this.clear(),this.__disposer(),delete this.__disposer}}let sS=["target","oldTarget","fireCanvas","e"],sw={passive:!1},sT=(t,e)=>{let i=t.getViewportPoint(e),r=t.getScenePoint(e);return{viewportPoint:i,scenePoint:r,pointer:i,absolutePointer:r}},sO=function(t){for(var e=arguments.length,i=Array(e>1?e-1:0),r=1;r<e;r++)i[r-1]=arguments[r];return t.addEventListener(...i)},sD=function(t){for(var e=arguments.length,i=Array(e>1?e-1:0),r=1;r<e;r++)i[r-1]=arguments[r];return t.removeEventListener(...i)},sk={mouse:{in:"over",out:"out",targetIn:"mouseover",targetOut:"mouseout",canvasIn:"mouse:over",canvasOut:"mouse:out"},drag:{in:"enter",out:"leave",targetIn:"dragenter",targetOut:"dragleave",canvasIn:"drag:enter",canvasOut:"drag:leave"}};class sM extends sC{constructor(t){super(t,arguments.length>1&&void 0!==arguments[1]?arguments[1]:{}),a(this,"_isClick",void 0),a(this,"textEditingManager",new sb(this)),["_onMouseDown","_onTouchStart","_onMouseMove","_onMouseUp","_onTouchEnd","_onResize","_onMouseWheel","_onMouseOut","_onMouseEnter","_onContextMenu","_onClick","_onDragStart","_onDragEnd","_onDragProgress","_onDragOver","_onDragEnter","_onDragLeave","_onDrop"].forEach(t=>{this[t]=this[t].bind(this)}),this.addOrRemove(sO,"add")}_getEventPrefix(){return this.enablePointerEvents?"pointer":"mouse"}addOrRemove(t,e){let i=this.upperCanvasEl,r=this._getEventPrefix();t(tJ(i),"resize",this._onResize),t(i,r+"down",this._onMouseDown),t(i,"".concat(r,"move"),this._onMouseMove,sw),t(i,"".concat(r,"out"),this._onMouseOut),t(i,"".concat(r,"enter"),this._onMouseEnter),t(i,"wheel",this._onMouseWheel),t(i,"contextmenu",this._onContextMenu),t(i,"click",this._onClick),t(i,"dblclick",this._onClick),t(i,"dragstart",this._onDragStart),t(i,"dragend",this._onDragEnd),t(i,"dragover",this._onDragOver),t(i,"dragenter",this._onDragEnter),t(i,"dragleave",this._onDragLeave),t(i,"drop",this._onDrop),this.enablePointerEvents||t(i,"touchstart",this._onTouchStart,sw)}removeListeners(){this.addOrRemove(sD,"remove");let t=this._getEventPrefix(),e=tK(this.upperCanvasEl);sD(e,"".concat(t,"up"),this._onMouseUp),sD(e,"touchend",this._onTouchEnd,sw),sD(e,"".concat(t,"move"),this._onMouseMove,sw),sD(e,"touchmove",this._onMouseMove,sw),clearTimeout(this._willAddMouseDown)}_onMouseWheel(t){this.__onMouseWheel(t)}_onMouseOut(t){let e=this._hoveredTarget,i=h({e:t},sT(this,t));this.fire("mouse:out",h(h({},i),{},{target:e})),this._hoveredTarget=void 0,e&&e.fire("mouseout",h({},i)),this._hoveredTargets.forEach(t=>{this.fire("mouse:out",h(h({},i),{},{target:t})),t&&t.fire("mouseout",h({},i))}),this._hoveredTargets=[]}_onMouseEnter(t){this._currentTransform||this.findTarget(t)||(this.fire("mouse:over",h({e:t},sT(this,t))),this._hoveredTarget=void 0,this._hoveredTargets=[])}_onDragStart(t){this._isClick=!1;let e=this.getActiveObject();if(e&&e.onDragStart(t)){this._dragSource=e;let i={e:t,target:e};return this.fire("dragstart",i),e.fire("dragstart",i),void sO(this.upperCanvasEl,"drag",this._onDragProgress)}t6(t)}_renderDragEffects(t,e,i){let r=!1,s=this._dropTarget;s&&s!==e&&s!==i&&(s.clearContextTop(),r=!0),null==e||e.clearContextTop(),i!==e&&(null==i||i.clearContextTop());let n=this.contextTop;n.save(),n.transform(...this.viewportTransform),e&&(n.save(),e.transform(n),e.renderDragSourceEffect(t),n.restore(

1),r=!0),i&&(n.save(),i.transform(n),i.renderDropTargetEffect(t),n.restore(),r=!0),n.restore(),r&&(this.contextTopDirty=!0)}_onDragEnd(t){let e=!!t.dataTransfer&&t.dataTransfer.dropEffect!==L,i=e?this._activeObject:void 0,r={e:t,target:this._dragSource,subTargets:this.targets,dragSource:this._dragSource,didDrop:e,dropTarget:i};sD(this.upperCanvasEl,"drag",this._onDragProgress),this.fire("dragend",r),this._dragSource&&this._dragSource.fire("dragend",r),delete this._dragSource,this._onMouseUp(t)}_onDragProgress(t){let e={e:t,target:this._dragSource,dragSource:this._dragSource,dropTarget:this._draggedoverTarget};this.fire("drag",e),this._dragSource&&this._dragSource.fire("drag",e)}findDragTargets(t){return this.targets=[],{target:this._searchPossibleTargets(this._objects,this.getViewportPoint(t)),targets:[...this.targets]}}_onDragOver(t){let e,i="dragover",{target:r,targets:s}=this.findDragTargets(t),n=this._dragSource,o={e:t,target:r,subTargets:s,dragSource:n,canDrop:!1,dropTarget:void 0};this.fire(i,o),this._fireEnterLeaveEvents(r,o),r&&(r.canDrop(t)&&(e=r),r.fire(i,o));for(let r=0;r<s.length;r++){let n=s[r];n.canDrop(t)&&(e=n),n.fire(i,o)}this._renderDragEffects(t,n,e),this._dropTarget=e}_onDragEnter(t){let{target:e,targets:i}=this.findDragTargets(t),r={e:t,target:e,subTargets:i,dragSource:this._dragSource};this.fire("dragenter",r),this._fireEnterLeaveEvents(e,r)}_onDragLeave(t){let e={e:t,target:this._draggedoverTarget,subTargets:this.targets,dragSource:this._dragSource};this.fire("dragleave",e),this._fireEnterLeaveEvents(void 0,e),this._renderDragEffects(t,this._dragSource),this._dropTarget=void 0,this.targets=[],this._hoveredTargets=[]}_onDrop(t){let{target:e,targets:i}=this.findDragTargets(t),r=this._basicEventHandler("drop:before",h({e:t,target:e,subTargets:i,dragSource:this._dragSource},sT(this,t)));r.didDrop=!1,r.dropTarget=void 0,this._basicEventHandler("drop",r),this.fire("drop:after",r)}_onContextMenu(t){let e=this.findTarget(t),i=this.targets||[],r=this._basicEventHandler("contextmenu:before",{e:t,target:e,subTargets:i});return this.stopContextMenu&&t6(t),this._basicEventHandler("contextmenu",r),!1}_onClick(t){let e=t.detail;e>3||e<2||(this._cacheTransformEventData(t),2==e&&"dblclick"===t.type&&this._handleEvent(t,"dblclick"),3==e&&this._handleEvent(t,"tripleclick"),this._resetTransformEventData())}getPointerId(t){let e=t.changedTouches;return e?e[0]&&e[0].identifier:this.enablePointerEvents?t.pointerId:-1}_isMainEvent(t){return!0===t.isPrimary||!1!==t.isPrimary&&("touchend"===t.type&&0===t.touches.length||!t.changedTouches||t.changedTouches[0].identifier===this.mainTouchId)}_onTouchStart(t){let e=!this.allowTouchScrolling,i=this._activeObject;void 0===this.mainTouchId&&(this.mainTouchId=this.getPointerId(t)),this.__onMouseDown(t),(this.isDrawingMode||i&&this._target===i)&&(e=!0),e&&t.preventDefault(),this._resetTransformEventData();let r=this.upperCanvasEl,s=this._getEventPrefix(),n=tK(r);sO(n,"touchend",this._onTouchEnd,sw),e&&sO(n,"touchmove",this._onMouseMove,sw),sD(r,"".concat(s,"down"),this._onMouseDown)}_onMouseDown(t){this.__onMouseDown(t),this._resetTransformEventData();let e=this.upperCanvasEl,i=this._getEventPrefix();sD(e,"".concat(i,"move"),this._onMouseMove,sw);let r=tK(e);sO(r,"".concat(i,"up"),this._onMouseUp),sO(r,"".concat(i,"move"),this._onMouseMove,sw)}_onTouchEnd(t){if(t.touches.length>0)return;this.__onMouseUp(t),this._resetTransformEventData(),delete this.mainTouchId;let e=this._getEventPrefix(),i=tK(this.upperCanvasEl);sD(i,"touchend",this._onTouchEnd,sw),sD(i,"touchmove",this._onMouseMove,sw),this._willAddMouseDown&&clearTimeout(this._willAddMouseDown),this._willAddMouseDown=setTimeout(()=>{sO(this.upperCanvasEl,"".concat(e,"down"),this._onMouseDown),this._willAddMouseDown=0},400)}_onMouseUp(t){this.__onMouseUp(t),this._resetTransformEventData();let e=this.upperCanvasEl,i=this._getEventPrefix();if(this._isMainEvent(t)){let t=tK(this.upperCanvasEl);sD(t,"".concat(i,"up"),this._onMouseUp),sD(t,"".concat(i,"move"),this._onMouseMove,sw),sO(e,"".concat(i,"move"),this._onMouseMove,sw)}}_onMouseMove(t){let e=this.getActiveObject();this.allowTouchScrolling||e&&e.shouldStartDragging(t)||!t.preventDefault||t.preventDefault(),this.__onMouseMove(t)}_onResize(){this.calcOffset(),this._resetTransformEventData()}_shouldRender(t){let e=this.getActiveObject();return!!e!=!!t||e&&t&&e!==t}__onMouseUp(t){var e;this._cacheTransformEventData(t),this._handleEvent(t,"up:before");

1let i=this._currentTransform,r=this._isClick,s=this._target,{button:n}=t;if(n)return(this.fireMiddleClick&&1===n||this.fireRightClick&&2===n)&&this._handleEvent(t,"up"),void this._resetTransformEventData();if(this.isDrawingMode&&this._isCurrentlyDrawing)return void this._onMouseUpInDrawingMode(t);if(!this._isMainEvent(t))return;let o,a,l=!1;if(i&&(this._finalizeCurrentTransform(t),l=i.actionPerformed),!r){let e=s===this._activeObject;this.handleSelection(t),l||(l=this._shouldRender(s)||!e&&s===this._activeObject)}if(s){let{key:e,control:r}=s.findControl(this.getViewportPoint(t),t4(t))||{};if(a=e,s.selectable&&s!==this._activeObject&&"up"===s.activeOn)this.setActiveObject(s,t),l=!0;else if(r){let e=r.getMouseUpHandler(t,s,r);e&&(o=this.getScenePoint(t),e.call(r,t,i,o.x,o.y))}s.isMoving=!1}if(i&&(i.target!==s||i.corner!==a)){let e=i.target&&i.target.controls[i.corner],r=e&&e.getMouseUpHandler(t,i.target,e);o=o||this.getScenePoint(t),r&&r.call(e,t,i,o.x,o.y)}this._setCursorFromEvent(t,s),this._handleEvent(t,"up"),this._groupSelector=null,this._currentTransform=null,s&&(s.__corner=void 0),l?this.requestRenderAll():r||null!=(e=this._activeObject)&&e.isEditing||this.renderTop()}_basicEventHandler(t,e){let{target:i,subTargets:r=[]}=e;this.fire(t,e),i&&i.fire(t,e);for(let s=0;s<r.length;s++)r[s]!==i&&r[s].fire(t,e);return e}_handleEvent(t,e,i){let r=this._target,s=this.targets||[],n=h(h(h({e:t,target:r,subTargets:s},sT(this,t)),{},{transform:this._currentTransform},"up:before"===e||"up"===e?{isClick:this._isClick,currentTarget:this.findTarget(t),currentSubTargets:this.targets}:{}),"down:before"===e||"down"===e?i:{});this.fire("mouse:".concat(e),n),r&&r.fire("mouse".concat(e),n);for(let t=0;t<s.length;t++)s[t]!==r&&s[t].fire("mouse".concat(e),n)}_onMouseDownInDrawingMode(t){this._isCurrentlyDrawing=!0,this.getActiveObject()&&(this.discardActiveObject(t),this.requestRenderAll());let e=this.getScenePoint(t);this.freeDrawingBrush&&this.freeDrawingBrush.onMouseDown(e,{e:t,pointer:e}),this._handleEvent(t,"down",{alreadySelected:!1})}_onMouseMoveInDrawingMode(t){if(this._isCurrentlyDrawing){let e=this.getScenePoint(t);this.freeDrawingBrush&&this.freeDrawingBrush.onMouseMove(e,{e:t,pointer:e})}this.setCursor(this.freeDrawingCursor),this._handleEvent(t,"move")}_onMouseUpInDrawingMode(t){let e=this.getScenePoint(t);this.freeDrawingBrush?this._isCurrentlyDrawing=!!this.freeDrawingBrush.onMouseUp({e:t,pointer:e}):this._isCurrentlyDrawing=!1,this._handleEvent(t,"up")}__onMouseDown(t){this._isClick=!0,this._cacheTransformEventData(t),this._handleEvent(t,"down:before");let e=this._target,i=!!e&&e===this._activeObject,{button:r}=t;if(r)return(this.fireMiddleClick&&1===r||this.fireRightClick&&2===r)&&this._handleEvent(t,"down",{alreadySelected:i}),void this._resetTransformEventData();if(this.isDrawingMode)return void this._onMouseDownInDrawingMode(t);if(!this._isMainEvent(t)||this._currentTransform)return;let s=this._shouldRender(e),n=!1;if(this.handleMultiSelection(t,e)?(e=this._activeObject,n=!0,s=!0):this._shouldClearSelection(t,e)&&this.discardActiveObject(t),this.selection&&(!e||!e.selectable&&!e.isEditing&&e!==this._activeObject)){let e=this.getScenePoint(t);this._groupSelector={x:e.x,y:e.y,deltaY:0,deltaX:0}}if(i=!!e&&e===this._activeObject,e){e.selectable&&"down"===e.activeOn&&this.setActiveObject(e,t);let r=e.findControl(this.getViewportPoint(t),t4(t));if(e===this._activeObject&&(r||!n)){this._setupCurrentTransform(t,e,i);let s=r?r.control:void 0,n=this.getScenePoint(t),o=s&&s.getMouseDownHandler(t,e,s);o&&o.call(s,t,this._currentTransform,n.x,n.y)}}s&&(this._objectsToRender=void 0),this._handleEvent(t,"down",{alreadySelected:i}),s&&this.requestRenderAll()}_resetTransformEventData(){this._target=this._pointer=this._absolutePointer=void 0}_cacheTransformEventData(t){this._resetTransformEventData(),this._pointer=this.getViewportPoint(t),this._absolutePointer=en(this._pointer,void 0,this.viewportTransform),this._target=this._currentTransform?this._currentTransform.target:this.findTarget(t)}__onMouseMove(t){if(this._isClick=!1,this._cacheTransformEventData(t),this._handleEvent(t,"move:before"),this.isDrawingMode)return void this._onMouseMoveInDrawingMode(t);if(!this._isMainEvent(t))return;let e=this._groupSelector;if(e){let i=this.getScenePoint(t);e.deltaX=i.x-e.x,e.deltaY=i.y-e.y,this.renderTop()}else if(this._currentTransform)this._transformObject(t);else{let e=this.findTarget(t);this._setCursorFromEvent(t,e),this._fireOverOutEvents(t,e)}this.textEditingManager.onMouseMove(t),this._handleEvent(t,"move"),this._resetTransformEventData()}_fireOverOutEvents(t,e){let i=this._hoveredTarget,r=this._hoveredTargets,s=this.targets,n=Math.max(r.length,s.length);this.fireSyntheticInOutEvents("mouse",{e:t,target:e,oldTarget:i,fireCanvas:!0});for(let e=0;e<n;e++)this.fireSyntheticInOutEvents("mouse",{e:t,target:s[e],oldTarget:r[e]});this._hoveredTarget=e,this._hoveredTargets=this.targets.concat()}_fireEnterLeaveEvents(t,e){let i=this._draggedoverTarget,r=this._hoveredTargets,s=this.targets,n=Math.max(r.length,s.length);this.fireSyntheticInOutEvents("drag",h(h({},e),{},{target:t,oldTarget:i,fireCanvas:!0}));for(let 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1_performTransformAction(t,e,i){let{action:r,actionHandler:s,target:n}=e,o=!!s&&s(t,e,i.x,i.y);o&&n.setCoords(),"drag"===r&&o&&(e.target.isMoving=!0,this.setCursor(e.target.moveCursor||this.moveCursor)),e.actionPerformed=e.actionPerformed||o}_setCursorFromEvent(t,e){if(!e)return void this.setCursor(this.defaultCursor);let i=e.hoverCursor||this.hoverCursor,r=tU(this._activeObject)?this._activeObject:null,s=(!r||e.group!==r)&&e.findControl(this.getViewportPoint(t));if(s){let i=s.control;this.setCursor(i.cursorStyleHandler(t,i,e))}else e.subTargetCheck&&this.targets.concat().reverse().map(t=>{i=t.hoverCursor||i}),this.setCursor(i)}handleMultiSelection(t,e){let i=this._activeObject,r=tU(i);if(i&&this._isSelectionKeyPressed(t)&&this.selection&&e&&e.selectable&&(i!==e||r)&&(r||!e.isDescendantOf(i)&&!i.isDescendantOf(e))&&!e.onSelect({e:t})&&!i.getActiveControl()){if(r){let r=i.getObjects();if(e===i){let i=this.getViewportPoint(t);if(!(e=this.searchPossibleTargets(r,i)||this.searchPossibleTargets(this._objects,i))||!e.selectable)return!1}e.group===i?(i.remove(e),this._hoveredTarget=e,this._hoveredTargets=[...this.targets],1===i.size()&&this._setActiveObject(i.item(0),t)):(i.multiSelectAdd(e),this._hoveredTarget=i,this._hoveredTargets=[...this.targets]),this._fireSelectionEvents(r,t)}else{i.isEditing&&i.exitEditing();let r=new(tt.getClass("ActiveSelection"))([],{canvas:this});r.multiSelectAdd(i,e),this._hoveredTarget=r,this._setActiveObject(r,t),this._fireSelectionEvents([i],t)}return!0}return!1}handleSelection(t){if(!this.selection||!this._groupSelector)return!1;let{x:e,y:i,deltaX:r,deltaY:s}=this._groupSelector,n=new to(e,i),o=n.add(new to(r,s)),a=n.min(o),l=n.max(o).subtract(a),h=this.collectObjects({left:a.x,top:a.y,width:l.x,height:l.y},{includeIntersecting:!this.selectionFullyContained}),c=n.eq(o)?h[0]?[h[0]]:[]:h.length>1?h.filter(e=>!e.onSelect({e:t})).reverse():h;if(1===c.length)this.setActiveObject(c[0],t);else if(c.length>1){let e=tt.getClass("ActiveSelection");this.setActiveObject(new e(c,{canvas:this}),t)}return this._groupSelector=null,!0}clear(){this.textEditingManager.clear(),super.clear()}destroy(){this.removeListeners(),this.textEditingManager.dispose(),super.destroy()}}let sE={x1:0,y1:0,x2:0,y2:0},sP=h(h({},sE),{},{r1:0,r2:0}),sA=(t,e)=>isNaN(t)&&"number"==typeof e?e:t,sj=/^(\d+\.\d+)%|(\d+)%$/;function sF(t){return t&&sj.test(t)}function sL(t,e){return e7(0,sA("number"==typeof t?t:"string"==typeof t?parseFloat(t)/(sF(t)?100:1):NaN,e),1)}let sI=/\s*;\s*/,sR=/\s*:\s*/;function sB(t){return"linearGradient"===t.nodeName||"LINEARGRADIENT"===t.nodeName?"linear":"radial"}function sX(t){return"userSpaceOnUse"===t.getAttribute("gradientUnits")?"pixels":"percentage"}function sY(t,e){return t.getAttribute(e)}class sW{constructor(t){let{type:e="linear",gradientUnits:i="pixels",coords:r={},colorStops:s=[],offsetX:n=0,offsetY:o=0,gradientTransform:a,id:l}=t||{};Object.assign(this,{type:e,gradientUnits:i,coords:h(h({},"radial"===e?sP:sE),r),colorStops:s,offsetX:n,offsetY:o,gradientTransform:a,id:l?"".concat(l,"_").concat(tf()):tf()})}addColorStop(t){for(let e in t){let i=new ew(t[e]);this.colorStops.push({offset:parseFloat(e),color:i.toRgb(),opacity:i.getAlpha()})}return this}toObject(t){return h(h({},tY(this,t)),{}

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1dth&&0!==this.source.naturalHeight)?t.createPattern(this.source,this.repeat):null}toObject(){let t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:[],{repeat:e,crossOrigin:i}=this;return h(h({},tY(this,t)),{},{type:"pattern",source:this.sourceToString(),repeat:e,crossOrigin:i,offsetX:tV(this.offsetX,g.NUM_FRACTION_DIGITS),offsetY:tV(this.offsetY,g.NUM_FRACTION_DIGITS),patternTransform:this.patternTransform?[...this.patternTransform]:null})}toSVG(t){let{width:e,height:i}=t,{source:r,repeat:s,id:n}=this,o=sA(this.offsetX/e,0),a=sA(this.offsetY/i,0),l="repeat-y"===s||"no-repeat"===s?1+Math.abs(o||0):sA(r.width/e,0),h="repeat-x"===s||"no-repeat"===s?1+Math.abs(a||0):sA(r.height/i,0);return['<pattern id="SVGID_'.concat(n,'" x="').concat(o,'" y="').concat(a,'" width="').concat(l,'" height="').concat(h,'">'),'<image x="0" y="0" width="'.concat(r.width,'" height="').concat(r.height,'" xlink:href="').concat(this.sourceToString(),'"></image>'),"</pattern>\n"].join("\n")}static async fromObject(t,e){let{type:i,source:r,patternTransform:s}=t,n=c(t,sV),o=await tR(r,h(h({},e),{},{crossOrigin:n.crossOrigin}));return new this(h(h({},n),{},{patternTransform:s&&s.slice(0),source:o}))}}a(sH,"type","Pattern"),tt.setClass(sH),tt.setClass(sH,"pattern");let sz=["path","left","top"],sG=["d"];class sN extends rn{constructor(t){let e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},{path:i,left:r,top:s}=e,n=c(e,sz);super(),Object.assign(this,sN.ownDefaults),this.setOptions(n),this._setPath(t||[],!0),"number"==typeof r&&this.set(A,r),"number"==typeof s&&this.set("top",s)}_setPath(t,e){this.path=si(Array.isArray(t)?t:sm(t)),this.setBoundingBox(e)}_findCenterFromElement(){let t=this._calcBoundsFromPath();return new to(t.left+t.width/2,t.top+t.height/2)}_renderPathCommands(t){let e=-this.pathOffset.x,i=-this.pathOffset.y;for(let r of(t.beginPath(),this.path))switch(r[0]){case"L":t.lineTo(r[1]+e,r[2]+i);break;case"M":t.moveTo(r[1]+e,r[2]+i);break;case"C":t.bezierCurveTo(r[1]+e,r[2]+i,r[3]+e,r[4]+i,r[5]+e,r[6]+i);break;case"Q":t.quadraticCurveTo(r[1]+e,r[2]+i,r[3]+e,r[4]+i);break;case"Z":t.closePath()}}_render(t){this._renderPathCommands(t),this._renderPaintInOrder(t)}toString(){return"#<Path (".concat(this.complexity(),'): { "top": ').concat(this.top,', "left": ').concat(this.left," }>")}toObject(){let t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:[];return h(h({},super.toObject(t)),{},{path:this.path.map(t=>t.slice())})}toDatalessObject(){let t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:[],e=this.toObject(t);return this.sourcePath&&(delete e.path,e.sourcePath=this.sourcePath),e}_toSVG(){let t=sv(this.path,g.NUM_FRACTION_DIGITS);return["<path ","COMMON_PARTS",'d="'.concat(t,'" stroke-linecap="round" />\n')]}_getOffsetTransform(){let t=g.NUM_FRACTION_DIGITS;return" translate(".concat(tV(-this.pathOffset.x,t),", ").concat(tV(-this.pathOffset.y,t),")")}toClipPathSVG(t){let e=this._getOffsetTransform();return"	"+this._createBaseClipPathSVGMarkup(this._toSVG(),{reviver:t,additionalTransform:e})}toSVG(t){let e=this._getOffsetTransform();return this._createBaseSVGMarkup(this._toSVG(),{reviver:t,additionalTransform:e})}complexity(){return this.path.length}setDimensions(){this.setBoundingBox()}setBoundingBox(t){let{width:e,height:i,pathOffset:r}=this._calcDimensions();this.set({width:e,height:i,pathOffset:r}),t&&this.setPositionByOrigin(r,P,P)}_calcBoundsFromPath(){let t=[],e=0,i=0,r=0,s=0;for(let n of this.path)switch(n[0]){case"L":r=n[1],s=n[2],t.push({x:e,y:i},{x:r,y:s});break;case"M":r=n[1],s=n[2],e=r,i=s;break;case"C":t.push(...st(r,s,n[1],n[2],n[3],n[4],n[5],n[6])),r=n[5],s=n[6];break;case"Q":t.push(...st(r,s,n[1],n[2],n[1],n[2],n[3],n[4])),r=n[3],s=n[4];break;case"Z":r=e,s=i}return t8(t)}_calcDimensions(){let t=this._calcBoundsFromPath();return h(h({},t),{},{pathOffset:new to(t.left+t.width/2,t.top+t.height/2)})}static fromObject(t){return this._fromObject(t,{extraParam:"path"})}static async fromElement(t,e,i){let r=rB(t,this.ATTRIBUTE_NAMES,i),{d:s}=r;return new this(s,h(h(h({},c(r,sG)),e),{},{left:void 0,top:void 0}))}}a(sN,"type","Path"),a(sN,"cacheProperties",[...it,"path","fillRule"]),a(sN,"ATTRIBUTE_NAMES",[...rC,"d"]),tt.setClass(sN),tt.setSVGClass(sN);

1let sU=["left","top","radius"],sq=["radius","startAngle","endAngle","counterClockwise"];class sK extends rn{static getDefaults(){return h(h({},super.getDefaults()),sK.ownDefaults)}constructor(t){super(),Object.assign(this,sK.ownDefaults),this.setOptions(t)}_set(t,e){return super._set(t,e),"radius"===t&&this.setRadius(e),this}_render(t){t.beginPath(),t.arc(0,0,this.radius,tx(this.startAngle),tx(this.endAngle),this.counterClockwise),this._renderPaintInOrder(t)}getRadiusX(){return this.get("radius")*this.get(N)}getRadiusY(){return this.get("radius")*this.get(U)}setRadius(t){this.radius=t,this.set({width:2*t,height:2*t})}toObject(){let t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:[];return super.toObject([...sq,...t])}_toSVG(){let t=(this.endAngle-this.startAngle)%360;if(0===t)return["<circle ","COMMON_PARTS",'cx="0" cy="0" ','r="',"".concat(this.radius),'" 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e[r][t],0===Object.keys(e[r]).length&&delete e[r];0===Object.keys(e).length&&delete s[i]}}_extendStyles(t,e){let{lineIndex:i,charIndex:r}=this.get2DCursorLocation(t);this._getLineStyle(i)||this._setLineStyle(i);let s=tW(h(h({},this._getStyleDeclaration(i,r)),e),t=>void 0!==t);this._setStyleDeclaration(i,r,s)}getSelectionStyles(t,e,i){let r=[];for(let s=t;s<(e||t);s++)r.push(this.getStyleAtPosition(s,i));return r}getStyleAtPosition(t,e){let{lineIndex:i,charIndex:r}=this.get2DCursorLocation(t);return e?this.getCompleteStyleDeclaration(i,r):this._getStyleDeclaration(i,r)}setSelectionStyles(t,e,i){for(let r=e;r<(i||e);r++)this._extendStyles(r,t);this._forceClearCache=!0}_getStyleDeclaration(t,e){var i;let r=this.styles&&this.styles[t];return r&&null!=(i=r[e])?i:{}}getCompleteStyleDeclaration(t,e){return h(h({},tY(this,this.constructor._styleProperties)),this._getStyleDeclaration(t,e))}

1_setStyleDeclaration(t,e,i){this.styles[t][e]=i}_deleteStyleDeclaration(t,e){delete this.styles[t][e]}_getLineStyle(t){return!!this.styles[t]}_setLineStyle(t){this.styles[t]={}}_deleteLineStyle(t){delete this.styles[t]}}a(s8,"_styleProperties",eL);let s7=/  +/g,s9=/"/g;function nt(t,e,i,r,s){return"		".concat(function(t,e){let{left:i,top:r,width:s,height:n}=e,o=arguments.length>2&&void 0!==arguments[2]?arguments[2]:g.NUM_FRACTION_DIGITS,a=eD(J,t,!1),[l,h,c,u]=[i,r,s,n].map(t=>tV(t,o));return"<rect ".concat(a,' x="').concat(l,'" y="').concat(h,'" width="').concat(c,'" height="').concat(u,'"></rect>')}(t,{left:e,top:i,width:r,height:s}),"\n")}let ne=["textAnchor","textDecoration","dx","dy","top","left","fontSize","strokeWidth"];class ni extends s8{static getDefaults(){return h(h({},super.getDefaults()),ni.ownDefaults)}constructor(t,e){super(),a(this,"__charBounds",[]),Object.assign(this,ni.ownDefaults),this.setOptions(e),this.styles||(this.styles={}),this.text=t,this.initialized=!0,this.path&&this.setPathInfo(),this.initDimensions(),this.setCoords()}setPathInfo(){let t=this.path;t&&(t.segmentsInfo=sc(t.path))}_splitText(){let t=this._splitTextIntoLines(this.text);return this.textLines=t.lines,this._textLines=t.graphemeLines,this._unwrappedTextLines=t._unwrappedLines,this._text=t.graphemeText,t}initDimensions(){this._splitText(),this._clearCache(),this.dirty=!0,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()),this.textAlign.includes(eI)&&this.enlargeSpaces()}enlargeSpaces(){let t,e,i,r,s,n,o;for(let a=0,l=this._textLines.length;a<l;a++)if((this.textAlign===eI||a!==l-1&&!this.isEndOfWrapping(a))&&(r=0,s=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(let e=0;e<=s.length;e++)n=this.__charBounds[a][e],this._reSpaceAndTab.test(s[e])?(n.width+=t,n.kernedWidth+=t,n.left+=r,r+=t):n.left+=r}}isEndOfWrapping(t){return t===this._textLines.length-1}missingNewlineOffset(t){return 1}get2DCursorLocation(t,e){let i,r=e?this._unwrappedTextLines:this._textLines;for(i=0;i<r.length;i++){if(t<=r[i].length)return{lineIndex:i,charIndex:t};t-=r[i].length+this.missingNewlineOffset(i,e)}return{lineIndex:i-1,charIndex:r[i-1].length<t?r[i-1].length:t}}toString(){return"#<Text (".concat(this.complexity(),'): { "text": "').concat(this.text,'", "fontFamily": "').concat(this.fontFamily,'" }>')}_getCacheCanvasDimensions(){let t=super._getCacheCanvasDimensions(),e=this.fontSize;return t.width+=e*t.zoomX,t.height+=e*t.zoomY,t}_render(t){let 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(t){this.paintFirst===Q?(this._renderTextStroke(t),this._renderTextFill(t)):(this._renderTextFill(t),this._renderTextStroke(t))}_setTextStyles(t,e,i){if(t.textBaseline="alphabetic",this.path)switch(this.pathAlign){case P:t.textBaseline="middle";break;case"ascender":t.textBaseline="top";break;case"descender":t.textBaseline=j}t.font=this._getFontDeclaration(e,i)}calcTextWidth(){let t=this.getLineWidth(0);for(let e=1,i=this._textLines.length;e<i;e++){let i=this.getLineWidth(e);i>t&&(t=i)}return t}_renderTextLine(t,e,i,r,s,n){this._renderChars(t,e,i,r,s,n)}_renderTextLinesBackground(t){if(!this.textBackgroundColor&&!this.styleHas("textBackgroundColor"))return;let e=t.fillStyle,i=this._getLeftOffset(),r=this._getTopOffset();for(let e=0,s=this._textLines.length;e<s;e++){let s=this.getHeightOfLine(e);if(!this.textBackgroundColor&&!this.styleHas("textBackgroundColor",e)){r+=s;continue}let n=this._textLines[e].length,o=this._getLineLeftOffset(e),a,l,h=0,c=0,u=this.getValueOfPropertyAt(e,0,"textBackgroundColor");for(let d=0;d<n;d++){let n=this.__charBounds[e][d];l=this.getValueOfPropertyAt(e,d,"textBackgroundColor"),this.path?(t.save(),t.translate(n.renderLeft,n.renderTop),t.rotate(n.angle),t.fillStyle=l,l&&t.fillRect(-n.width/2,-s/this.lineHeight*(1-this._fontSizeFraction),n.width,s/this.lineHeight),t.restore(

1)):l!==u?(a=i+o+c,"rtl"===this.direction&&(a=this.width-a-h),t.fillStyle=u,u&&t.fillRect(a,r,h,s/this.lineHeight),c=n.left,h=n.width,u=l):h+=n.kernedWidth}l&&!this.path&&(a=i+o+c,"rtl"===this.direction&&(a=this.width-a-h),t.fillStyle=l,t.fillRect(a,r,h,s/this.lineHeight)),r+=s}t.fillStyle=e,this._removeShadow(t)}_measureChar(t,e,i,r){let s,o,a,l,h=w.getFontCache(e),c=this._getFontDeclaration(e),u=i+t,d=i&&c===this._getFontDeclaration(r),g=e.fontSize/this.CACHE_FONT_SIZE;if(i&&void 0!==h[i]&&(a=h[i]),void 0!==h[t]&&(l=s=h[t]),d&&void 0!==h[u]&&(l=(o=h[u])-a),void 0===s||void 0===a||void 0===o){let r=(n||(n=tv({width:0,height:0}).getContext("2d")),n);this._setTextStyles(r,e,!0),void 0===s&&(l=s=r.measureText(t).width,h[t]=s),void 0===a&&d&&i&&(a=r.measureText(i).width,h[i]=a),d&&void 0===o&&(o=r.measureText(u).width,h[u]=o,l=o-a)}return{width:s*g,kernedWidth:l*g}}getHeightOfChar(t,e){return this.getValueOfPropertyAt(t,e,"fontSize")}measureLine(t){let e=this._measureLine(t);return 0!==this.charSpacing&&(e.width-=this._getWidthOfCharSpacing()),e.width<0&&(e.width=0),e}_measureLine(t){let e,i,r=0,s=this.pathSide===F,n=this.path,o=this._textLines[t],a=o.length,l=Array(a);this.__charBounds[t]=l;for(let s=0;s<a;s++){let n=o[s];i=this._getGraphemeBox(n,t,s,e),l[s]=i,r+=i.kernedWidth,e=n}if(l[a]={left:i?i.left+i.width:0,width:0,kernedWidth:0,height:this.fontSize,deltaY:0},n&&n.segmentsInfo){let t=0,e=n.segmentsInfo[n.segmentsInfo.length-1].length;switch(this.textAlign){case A:t=s?e-r:0;break;case P:t=(e-r)/2;break;case F:t=s?0:e-r}t+=this.pathStartOffset*(s?-1:1);for(let r=s?a-1:0;s?r>=0:r<a;s?r--:r++)i=l[r],t>e?t%=e:t<0&&(t+=e),this._setGraphemeOnPath(t,i),t+=i.kernedWidth}return{width:r,numOfSpaces:0}}_setGraphemeOnPath(t,e){let i=t+e.kernedWidth/2,r=this.path,s=su(r.path,i,r.segmentsInfo);e.renderLeft=s.x-r.pathOffset.x,e.renderTop=s.y-r.pathOffset.y,e.angle=s.angle+(this.pathSide===F?Math.PI:0)}_getGraphemeBox(t,e,i,r,s){let n=this.getCompleteStyleDeclaration(e,i),o=r?this.getCompleteStyleDeclaration(e,i-1):{},a=this._measureChar(t,n,r,o),l,h=a.kernedWidth,c=a.width;0!==this.charSpacing&&(c+=l=this._getWidthOfCharSpacing(),h+=l);let u={width:c,left:0,height:n.fontSize,kernedWidth:h,deltaY:n.deltaY};if(i>0&&!s){let t=this.__charBounds[e][i-1];u.left=t.left+t.width+a.kernedWidth-a.width}return u}getHeightOfLine(t){if(this.__lineHeights[t])return this.__lineHeights[t];let e=this.getHeightOfChar(t,0);for(let i=1,r=this._textLines[t].length;i<r;i++)e=Math.max(this.getHeightOfChar(t,i),e);return this.__lineHeights[t]=e*this.lineHeight*this._fontSizeMult}calcTextHeight(){let t,e=0;for(let i=0,r=this._textLines.length;i<r;i++)t=this.getHeightOfLine(i),e+=i===r-1?t/this.lineHeight:t;return e}_getLeftOffset(){return"ltr"===this.direction?-this.width/2:this.width/2}_getTopOffset(){return-this.height/2}_renderTextCommon(t,e){t.save();let i=0,r=this._getLeftOffset(),s=this._getTopOffset();for(let n=0,o=this._textLines.length;n<o;n++){let o=this.getHeightOfLine(n),a=o/this.lineHeight,l=this._getLineLeftOffset(n);this._renderTextLine(e,t,this._textLines[n],r+l,s+i+a,n),i+=o}t.restore()}_renderTextFill(t){(this.fill||this.styleHas(J))&&this._renderTextCommon(t,"fillText")}_renderTextStroke(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(t,e,i,r,s,n){let o=this.getHeightOfLine(n),a=this.textAlign.includes(eI),l=this.path,h=!a&&0===this.charSpacing&&this.isEmptyStyles(n)&&!l,c="ltr"===this.direction,u="ltr"===this.direction?1:-1,d=e.direction,g,f,p,m,v,y="",_=0;if(e.save(),d!==this.direction&&(e.canvas.setAttribute("dir",c?"ltr":"rtl"),e.direction=c?"ltr":"rtl",e.textAlign=c?A:F),s-=o*this._fontSizeFraction/this.lineHeight,h)return this._renderChar(t,e,n,0,i.join(""),r,s),void e.restore();for(let o=0,h=i.length-1;o<=h;o++)m=o===h||this.charSpacing||l,y+=i[o],p=this.__charBounds[n][o],0===_?(r+=u*(p.kernedWidth-p.width),_+=p.width):_+=p.kernedWidth,a&&!m&&this._reSpaceAndTab.test(i[o])&&(m=!0),m||(m=ry(g=g||this.getCompleteStyleDeclaration(n,o),f=this.getCompleteStyleDeclaration(n,o+1),!1)),m&&(l?(e.save(),e.translate(p.renderLeft,p.renderTop),e.rotate(p.angle),this._renderChar(t,e,n,o,y,-_/2,0),e.restore(

1)):(v=r,this._renderChar(t,e,n,o,y,v,s)),y="",g=f,r+=u*_,_=0);e.restore()}_applyPatternGradientTransformText(t){let e=this.width+this.strokeWidth,i=this.height+this.strokeWidth,r=tv({width:e,height:i}),s=r.getContext("2d");return r.width=e,r.height=i,s.beginPath(),s.moveTo(0,0),s.lineTo(e,0),s.lineTo(e,i),s.lineTo(0,i),s.closePath(),s.translate(e/2,i/2),s.fillStyle=t.toLive(s),this._applyPatternGradientTransform(s,t),s.fill(),s.createPattern(r,"no-repeat")}handleFiller(t,e,i){let r,s;return tz(i)?"percentage"===i.gradientUnits||i.gradientTransform||i.patternTransform?(r=-this.width/2,s=-this.height/2,t.translate(r,s),t[e]=this._applyPatternGradientTransformText(i),{offsetX:r,offsetY:s}):(t[e]=i.toLive(t),this._applyPatternGradientTransform(t,i)):(t[e]=i,{offsetX:0,offsetY:0})}_setStrokeStyles(t,e){let{stroke:i,strokeWidth:r}=e;return t.lineWidth=r,t.lineCap=this.strokeLineCap,t.lineDashOffset=this.strokeDashOffset,t.lineJoin=this.strokeLineJoin,t.miterLimit=this.strokeMiterLimit,this.handleFiller(t,"strokeStyle",i)}_setFillStyles(t,e){let{fill:i}=e;return this.handleFiller(t,"fillStyle",i)}_renderChar(t,e,i,r,s,n,o){let a=this._getStyleDeclaration(i,r),l=this.getCompleteStyleDeclaration(i,r),h="fillText"===t&&l.fill,c="strokeText"===t&&l.stroke&&l.strokeWidth;if(c||h){if(e.save(),e.font=this._getFontDeclaration(l),a.textBackgroundColor&&this._removeShadow(e),a.deltaY&&(o+=a.deltaY),h){let t=this._setFillStyles(e,l);e.fillText(s,n-t.offsetX,o-t.offsetY)}if(c){let t=this._setStrokeStyles(e,l);e.strokeText(s,n-t.offsetX,o-t.offsetY)}e.restore()}}setSuperscript(t,e){this._setScript(t,e,this.superscript)}setSubscript(t,e){this._setScript(t,e,this.subscript)}_setScript(t,e,i){let r=this.get2DCursorLocation(t,!0),s=this.getValueOfPropertyAt(r.lineIndex,r.charIndex,"fontSize"),n=this.getValueOfPropertyAt(r.lineIndex,r.charIndex,"deltaY"),o={fontSize:s*i.size,deltaY:n+s*i.baseline};this.setSelectionStyles(o,t,e)}_getLineLeftOffset(t){let e=this.getLineWidth(t),i=this.width-e,r=this.textAlign,s=this.direction,n=this.isEndOfWrapping(t),o=0;return r!==eI&&(r!==eX||n)&&(r!==eB||n)&&(r!==eR||n)?(r===P&&(o=i/2),r===F&&(o=i),r===eX&&(o=i/2),r===eB&&(o=i),"rtl"===s&&(r===F||r===eI||r===eB?o=0:r===A||r===eR?o=-i:r!==P&&r!==eX||(o=-i/2)),o):0}_clearCache(){this._forceClearCache=!1,this.__lineWidths=[],this.__lineHeights=[],this.__charBounds=[]}getLineWidth(t){if(void 0!==this.__lineWidths[t])return this.__lineWidths[t];let{width:e}=this.measureLine(t);return this.__lineWidths[t]=e,e}_getWidthOfCharSpacing(){return 0!==this.charSpacing?this.fontSize*this.charSpacing/1e3:0}getValueOfPropertyAt(t,e,i){var r;return null!=(r=this._getStyleDeclaration(t,e)[i])?r:this[i]}_renderTextDecoration(t,e){if(!this[e]&&!this.styleHas(e))return;let i=this._getTopOffset(),r=this._getLeftOffset(),s=this.path,n=this._getWidthOfCharSpacing(),o="linethrough"===e?.5:+("overline"===e),a=this.offsets[e];for(let l=0,h=this._textLines.length;l<h;l++){let h=this.getHeightOfLine(l);if(!this[e]&&!this.styleHas(e,l)){i+=h;continue}let c=this._textLines[l],u=h/this.lineHeight,d=this._getLineLeftOffset(l),g=0,f=0,p=this.getValueOfPropertyAt(l,0,e),m=this.getValueOfPropertyAt(l,0,J),v=this.getValueOfPropertyAt(l,0,eE),y=p,_=m,x=v,C=i+u*(1-this._fontSizeFraction),b=this.getHeightOfChar(l,0),S=this.getValueOfPropertyAt(l,0,"deltaY");for(let i=0,n=c.length;i<n;i++){let n=this.__charBounds[l][i];y=this.getValueOfPropertyAt(l,i,e),_=this.getValueOfPropertyAt(l,i,J),x=this.getValueOfPropertyAt(l,i,eE);let h=this.getHeightOfChar(l,i),c=this.getValueOfPropertyAt(l,i,"deltaY");if(s&&y&&_){let e=this.fontSize*x/1e3;t.save(),t.fillStyle=m,t.translate(n.renderLeft,n.renderTop),t.rotate(n.angle),t.fillRect(-n.kernedWidth/2,a*h+c-o*e,n.kernedWidth,e),t.restore()}else if((y!==p||_!==m||h!==b||x!==v||c!==S)&&f>0){let e=this.fontSize*v/1e3,i=r+d+g;"rtl"===this.direction&&(i=this.width-i-f),p&&m&&v&&(t.fillStyle=m,t.fillRect(i,C+a*b+S-o*e,f,e)),g=n.left,f=n.width,p=y,v=x,m=_,b=h,S=c}else f+=n.kernedWidth}let w=r+d+g;"rtl"===this.direction&&(w=this.width-w-f),t.fillStyle=_;let T=this.fontSize*x/1e3;y&&_&&x&&t.fillRect(w,C+a*b+S-o*T,f-n,T),i+=h}this._removeShadow(t)}_getFontDeclaration(){let{fontFamily:t=this.fontFamily,fontStyle:e=this.fontStyle,fontWeight:i=this.fontWeight,fontSize:r=this.fontSize}=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},s=arguments.length>1?arguments[1]:void 0,n=t.includes("'")||t.includes('"')||t.includes(",")||ni.genericFonts.includes(t.toLowerCase())?t:'"'.concat(t,'"');return[e,i,"".concat(s?this.CACHE_FONT_SIZE:r,"px"),n].join(" ")}render(t){this.visible&&(this.canvas&&this.canvas.skipOffscreen&&!this.group&&!this.isOnScreen()||(this._forceClearCache&&this.initDimensions(),super.render(t)))}graphemeSplit(t){return rf(t)}_splitTextIntoLines(t){let e=t.split(this._reNewline),i=Array(e.length),r=["\n"],s=[];for(let t=0;t<e.length;t++)i[t]=this.graphemeSplit(e[t]),s=s.concat(i[t],r);return s.pop(),{_unwrappedLines:i,lines:e,graphemeText:s,graphemeLines:i}}toObject(){let t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:[];return h(h({},super.toObject([...eF,...t])),{},{styles:r_(this.styles,this.text)},this.path?{path:this.path.toObject()}:{})}set(t,e){let{textLayoutProperties:i}=this.constructor;super.set(t,e);let r=!1,s=!1;if("object"==typeof t)for(let e in t)"path"===e&&this.setPathInfo(),r=r||i.includes(e),s=s||"path"===e;else r=i.includes(t),s="path"===t;return s&&this.setPathInfo(),r&&this.initialized&&(this.initDimensions(),this.setCoords()),this}complexity(){return 1}static async fromElement(t,e,i){let r=rB(t,ni.ATTRIBUTE_NAMES,i),s=h(h({},e),r),{textAnchor:n=A,textDecoration:o="",dx:a=0,dy:l=0,top:u=0,left:d=0,fontSize:g=16,strokeWidth:f=1}=s,p=c(s,ne),m=new this((t.textContent||"").replace(/^\s+|\s+$|\n+/g,"").replace(/\s+/g," "),h({left:d+a,top:u+l,underline:o.includes("underline"),overline:o.includes("overline"),linethrough:o.includes("line-through"),strokeWidth:0,fontSize:g},p)),v=m.getScaledHeight()/m.height,y=((m.height+m.strokeWidth)*m.lineHeight-m.height)*v,_=m.getScaledHeight()+y,x=0;return n===P&&(x=m.getScaledWidth()/2),n===F&&(x=m.getScaledWidth()),m.set({left:m.left-x,top:m.top-(_-m.fontSize*(.07+m._fontSizeFraction))/m.lineHeight,strokeWidth:f}),m}static fromObject(t){return this._fromObject(h(h({},t),{},{styles:rx(t.styles||{},t.text)}),{extraParam:"text"})}}

1a(ni,"textLayoutProperties",ej),a(ni,"cacheProperties",[...it,...eF]),a(ni,"ownDefaults",{_reNewline:I,_reSpacesAndTabs:/[ \t\r]/g,_reSpaceAndTab:/[ \t\r]/,_reWords:/\S+/g,fontSize:40,fontWeight:"normal",fontFamily:"Times New Roman",underline:!1,overline:!1,linethrough:!1,textAlign:A,fontStyle:"normal",lineHeight:1.16,textBackgroundColor:"",stroke:null,shadow:null,path:void 0,pathStartOffset:0,pathSide:A,pathAlign:"baseline",charSpacing:0,deltaY:0,direction:"ltr",CACHE_FONT_SIZE:400,MIN_TEXT_WIDTH:2,superscript:{size:.6,baseline:-.35},subscript:{size:.6,baseline:.11},_fontSizeFraction:.222,offsets:{underline:.1,linethrough:-.28167,overline:-.81333},_fontSizeMult:1.13,[eE]:66.667}),a(ni,"type","Text"),a(ni,"genericFonts",["serif","sans-serif","monospace","cursive","fantasy","system-ui","ui-serif","ui-sans-serif","ui-monospace","ui-rounded","math","emoji","fangsong"]),a(ni,"ATTRIBUTE_NAMES",rC.concat("x","y","dx","dy","font-family","font-style","font-weight","font-size","letter-spacing","text-decoration","text-anchor")),rs(ni,[class extends ek{_toSVG(){let t=this._getSVGLeftTopOffsets(),e=this._getSVGTextAndBg(t.textTop,t.textLeft);return this._wrapSVGTextAndBg(e)}toSVG(t){let e=this._createBaseSVGMarkup(this._toSVG(),{reviver:t,noStyle:!0,withShadow:!0}),i=this.path;return i?e+i._createBaseSVGMarkup(i._toSVG(),{reviver:t,withShadow:!0,additionalTransform:tH(this.calcOwnMatrix())}):e}_getSVGLeftTopOffsets(){return{textLeft:-this.width/2,textTop:-this.height/2,lineTop:this.getHeightOfLine(0)}}_wrapSVGTextAndBg(t){let{textBgRects:e,textSpans:i}=t,r=this.getSvgTextDecoration(this);return[e.join(""),'		<text xml:space="preserve" ','font-family="'.concat(this.fontFamily.replace(s9,"'"),'" '),'font-size="'.concat(this.fontSize,'" '),this.fontStyle?'font-style="'.concat(this.fontStyle,'" '):"",this.fontWeight?'font-weight="'.concat(this.fontWeight,'" '):"",r?'text-decoration="'.concat(r,'" '):"","rtl"===this.direction?'direction="'.concat(this.direction,'" '):"",'style="',this.getSvgStyles(!0),'"',this.addPaintOrder()," >",i.join(""),"</text>\n"]}_getSVGTextAndBg(t,e){let i=[],r=[],s,n=t;this.backgroundColor&&r.push(...nt(this.backgroundColor,-this.width/2,-this.height/2,this.width,this.height));for(let t=0,o=this._textLines.length;t<o;t++)s=this._getLineLeftOffset(t),"rtl"===this.direction&&(s+=this.width),(this.textBackgroundColor||this.styleHas("textBackgroundColor",t))&&this._setSVGTextLineBg(r,t,e+s,n),this._setSVGTextLineText(i,t,e+s,n),n+=this.getHeightOfLine(t);return{textSpans:i,textBgRects:r}}_createTextCharSpan(t,e,i,r,s){let n=g.NUM_FRACTION_DIGITS,o=this.getSvgSpanStyles(e,t!==t.trim()||!!t.match(s7)),a=e.deltaY,l=a?' dy="'.concat(tV(a,n),'" '):"",{angle:h,renderLeft:c,renderTop:u,width:d}=s,f="";if(void 0!==c){h&&(f=' rotate="'.concat(tV(tC(h),n),'"'));let t=tE({angle:tC(h)});t[4]=c,t[5]=u;let e=new to(-(d/2),0).transform(t);i=e.x,r=e.y}return'<tspan x="'.concat(tV(i,n),'" y="').concat(tV(r,n),'" ').concat(l).concat(f).concat(o?'style="'.concat(o,'"'):"",">").concat(rg(t),"</tspan>")}_setSVGTextLineText(t,e,i,r){let s=this.getHeightOfLine(e),n=this.textAlign.includes(eI),o=this._textLines[e],a,l,h,c,u,d="",g=0;r+=s*(1-this._fontSizeFraction)/this.lineHeight;for(let s=0,f=o.length-1;s<=f;s++)u=s===f||this.charSpacing||this.path,d+=o[s],h=this.__charBounds[e][s],0===g?(i+=h.kernedWidth-h.width,g+=h.width):g+=h.kernedWidth,n&&!u&&this._reSpaceAndTab.test(o[s])&&(u=!0),u||(u=ry(a=a||this.getCompleteStyleDeclaration(e,s),l=this.getCompleteStyleDeclaration(e,s+1),!0)),u&&(c=this._getStyleDeclaration(e,s),t.push(this._createTextCharSpan(d,c,i,r,h)),d="",a=l,"rtl"===this.direction?i-=g:i+=g,g=0)}_setSVGTextLineBg(t,e,i,r){let s=this._textLines[e],n=this.getHeightOfLine(e)/this.lineHeight,o,a=0,l=0,h=this.getValueOfPropertyAt(e,0,"textBackgroundColor");for(let c=0;c<s.length;c++){let{left:s,width:u,kernedWidth:d}=this.__charBounds[e][c];(o=this.getValueOfPropertyAt(e,c,"textBackgroundColor"))!==h?(h&&t.push(...nt(h,i+l,r,a,n)),l=s,a=u,h=o):a+=d}o&&t.push(...nt(h,i+l,r,a,n))}_getSVGLineTopOffset(t){let e,i=0;for(e=0;e<t;e++)i+=this.getHeightOfLine(e);let r=this.getHeightOfLine(e);return{lineTop:i,offset:(this._fontSizeMult-this._fontSizeFraction)*r/(this.lineHeight*this._fontSizeMult)}}getSvgStyles(t){return"".concat(super.getSvgStyles(t)," text-decoration-thickness: ").concat(tV(this.textDecorationThickness*this.getObjectScaling().y/10,g.NUM_FRACTION_DIGITS),"%; white-space: pre;")}getSvgSpanStyles(t,e){let{fontFamily:i,strokeWidth:r,stroke:s,fill:n,fontSize:o,fontStyle:a,fontWeight:l,deltaY:h,textDecorationThickness:c,linethrough:u,overline:d,underline:f}=t,p=this.getSvgTextDecoration({underline:null!=f?f:this.underline,overline:null!=d?d:this.overline,linethrough:null!=u?u:this.linethrough}),m=c||this.textDecorationThickness;return[s?eD(Q,s):"",r?"stroke-width: ".concat(r,"; "):"",i?"font-family: ".concat(i.includes("'")||i.includes('"')?i:"'".concat(i,"'"),"; "):"",o?"font-size: ".concat(o,"px; "):"",a?"font-style: ".concat(a,"; "):"",l?"font-weight: ".concat(l,"; "):"",p?"text-decoration: ".concat(p,"; text-decoration-thickness: ").concat(tV(m*this.getObjectScaling().y/10,g.NUM_FRACTION_DIGITS),"%; "):"",n?eD(J,n):"",h?"baseline-shift: ".concat(-h,"; "):"",e?"white-space: pre; ":""].join("")}getSvgTextDecoration(t){return["overline","underline","line-through"].filter(e=>t[e.replace("-","")]).join(" ")}}]),tt.setClass(ni),tt.setSVGClass(ni);

1class nr{constructor(t){a(this,"target",void 0),a(this,"__mouseDownInPlace",!1),a(this,"__dragStartFired",!1),a(this,"__isDraggingOver",!1),a(this,"__dragStartSelection",void 0),a(this,"__dragImageDisposer",void 0),a(this,"_dispose",void 0),this.target=t;let e=[this.target.on("dragenter",this.dragEnterHandler.bind(this)),this.target.on("dragover",this.dragOverHandler.bind(this)),this.target.on("dragleave",this.dragLeaveHandler.bind(this)),this.target.on("dragend",this.dragEndHandler.bind(this)),this.target.on("drop",this.dropHandler.bind(this))];this._dispose=()=>{e.forEach(t=>t()),this._dispose=void 0}}isPointerOverSelection(t){let e=this.target,i=e.getSelectionStartFromPointer(t);return e.isEditing&&i>=e.selectionStart&&i<=e.selectionEnd&&e.selectionStart<e.selectionEnd}start(t){return this.__mouseDownInPlace=this.isPointerOverSelection(t)}isActive(){return this.__mouseDownInPlace}end(t){let e=this.isActive();return e&&!this.__dragStartFired&&(this.target.setCursorByClick(t),this.target.initDelayedCursor(!0)),this.__mouseDownInPlace=!1,this.__dragStartFired=!1,this.__isDraggingOver=!1,e}getDragStartSelection(){return this.__dragStartSelection}setDragImage(t,e){var i;let{selectionStart:r,selectionEnd:s}=e,n=this.target,o=n.canvas,a=new to(n.flipX?-1:1,n.flipY?-1:1),l=n._getCursorBoundaries(r),h=new to(l.left+l.leftOffset,l.top+l.topOffset).multiply(a).transform(n.calcTransformMatrix()),c=o.getScenePoint(t).subtract(h),u=n.getCanvasRetinaScaling(),d=n.getBoundingRect(),g=h.subtract(new to(d.left,d.top)),f=o.viewportTransform,p=g.add(c).transform(f,!0),m=n.backgroundColor,v=rd(n.styles);n.backgroundColor="";let y={stroke:"transparent",fill:"transparent",textBackgroundColor:"transparent"};n.setSelectionStyles(y,0,r),n.setSelectionStyles(y,s,n.text.length),n.dirty=!0;let _=n.toCanvasElement({enableRetinaScaling:o.enableRetinaScaling,viewportTransform:!0});n.backgroundColor=m,n.styles=v,n.dirty=!0,sy(_,{position:"fixed",left:"".concat(-_.width,"px"),border:L,width:"".concat(_.width/u,"px"),height:"".concat(_.height/u,"px")}),this.__dragImageDisposer&&this.__dragImageDisposer(),this.__dragImageDisposer=()=>{_.remove()},tK(t.target||this.target.hiddenTextarea).body.appendChild(_),null==(i=t.dataTransfer)||i.setDragImage(_,p.x,p.y)}onDragStart(t){this.__dragStartFired=!0;let e=this.target,i=this.isActive();if(i&&t.dataTransfer){let i=this.__dragStartSelection={selectionStart:e.selectionStart,selectionEnd:e.selectionEnd},r=e._text.slice(i.selectionStart,i.selectionEnd).join(""),s=h({text:e.text,value:r},i);t.dataTransfer.setData("text/plain",r),t.dataTransfer.setData("application/fabric",JSON.stringify({value:r,styles:e.getSelectionStyles(i.selectionStart,i.selectionEnd,!0)})),t.dataTransfer.effectAllowed="copyMove",this.setDragImage(t,s)}return e.abortCursorAnimation(),i}canDrop(t){if(this.target.editable&&!this.target.getActiveControl()&&!t.defaultPrevented){if(this.isActive()&&this.__dragStartSelection){let e=this.target.getSelectionStartFromPointer(t),i=this.__dragStartSelection;return e<i.selectionStart||e>i.selectionEnd}return!0}return!1}targetCanDrop(t){return this.target.canDrop(t)}dragEnterHandler(t){let{e:e}=t,i=this.targetCanDrop(e);!this.__isDraggingOver&&i&&(this.__isDraggingOver=!0)}dragOverHandler(t){let{e:e}=t,i=this.targetCanDrop(e);!this.__isDraggingOver&&i?this.__isDraggingOver=!0:this.__isDraggingOver&&!i&&(this.__isDraggingOver=!1),this.__isDraggingOver&&(e.preventDefault(),t.canDrop=!0,t.dropTarget=this.target)}dragLeaveHandler(){(this.__isDraggingOver||this.isActive())&&(this.__isDraggingOver=!1)}dropHandler(t){var e;let{e:i}=t,r=i.defaultPrevented;this.__isDraggingOver=!1,i.preventDefault();let s=null==(e=i.dataTransfer)?void 0:e.getData("text/plain");if(s&&!r){let e=this.target,r=e.canvas,n=e.getSelectionStartFromPointer(i),{styles:o}=i.dataTransfer.types.includes("application/fabric")?JSON.parse(i.dataTransfer.getData("application/fabric")):{},a=s[Math.max(0,s.length-1)];if(this.__dragStartSelection){let t=this.__dragStartSelection.selectionStart,i=this.__dragStartSelection.selectionEnd;n>t&&n<=i?n=t:n>i&&(n-=i-t),e.removeChars(t,i),delete this.__dragStartSelection}e._reNewline.test(a)&&(e._reNewline.test(e._text[n])||n===e._text.length)&&(s=s.trimEnd()),t.didDrop=!0,t.dropTarget=e,e.insertChars(s,o,n),r.setActiveObject(e),e.enterEditing(i),e.selectionStart=Math.min(n+0,e._text.length),e.selectionEnd=Math.min(e.selectionStart+s.length,e._text.length),e.hiddenTextarea.value=e.text,e._updateTextarea(),e.hiddenTextarea.focus(),e.fire(z,{index:n+0,action:"drop"}),r.fire("text:changed",{target:e}),r.contextTopDirty=!0,r.requestRenderAll()}}dragEndHandler(t){let{e:e}=t;if(this.isActive()&&this.__dragStartFired&&this.__dragStartSelection){var i;let t=this.target,r=this.target.canvas,{selectionStart:s,selectionEnd:n}=this.__dragStartSelection,o=(null==(i=e.dataTransfer)?void 0:i.dropEffect)||L;o===L?(t.selectionStart=s,t.selectionEnd=n,t._updateTextarea(),t.hiddenTextarea.focus()):(t.clearContextTop(),"move"===o&&(t.removeChars(s,n),t.selectionStart=t.selectionEnd=s,t.hiddenTextarea&&(t.hiddenTextarea.value=t.text),t._updateTextarea(),t.fire(z,{index:s,action:"dragend"}),r.fire("text:changed",{target:t}),r.requestRenderAll()),t.exitEditing())}this.__dragImageDisposer&&this.__dragImageDisposer(),delete this.__dragImageDisposer,delete this.__dragStartSelection,this.__isDraggingOver=!1}dispose(){this._dispose&&this._dispose()}}let ns=/[ \n\.,;!\?\-]/;

1class nn extends ni{constructor(){super(...arguments),a(this,"_currentCursorOpacity",1)}initBehavior(){this._tick=this._tick.bind(this),this._onTickComplete=this._onTickComplete.bind(this),this.updateSelectionOnMouseMove=this.updateSelectionOnMouseMove.bind(this)}onDeselect(t){return this.isEditing&&this.exitEditing(),this.selected=!1,super.onDeselect(t)}_animateCursor(t){let{toValue:e,duration:i,delay:r,onComplete:s}=t;return iM({startValue:this._currentCursorOpacity,endValue:e,duration:i,delay:r,onComplete:s,abort:()=>!this.canvas||this.selectionStart!==this.selectionEnd,onChange:t=>{this._currentCursorOpacity=t,this.renderCursorOrSelection()}})}_tick(t){this._currentTickState=this._animateCursor({toValue:0,duration:this.cursorDuration/2,delay:Math.max(t||0,100),onComplete:this._onTickComplete})}_onTickComplete(){var t;null==(t=this._currentTickCompleteState)||t.abort(),this._currentTickCompleteState=this._animateCursor({toValue:1,duration:this.cursorDuration,onComplete:this._tick})}initDelayedCursor(t){this.abortCursorAnimation(),this._tick(t?0:this.cursorDelay)}abortCursorAnimation(){let t=!1;[this._currentTickState,this._currentTickCompleteState].forEach(e=>{e&&!e.isDone()&&(t=!0,e.abort())}),this._currentCursorOpacity=1,t&&this.clearContextTop()}restartCursorIfNeeded(){[this._currentTickState,this._currentTickCompleteState].some(t=>!t||t.isDone())&&this.initDelayedCursor()}selectAll(){return this.selectionStart=0,this.selectionEnd=this._text.length,this._fireSelectionChanged(),this._updateTextarea(),this}cmdAll(){this.selectAll(),this.renderCursorOrSelection()}getSelectedText(){return this._text.slice(this.selectionStart,this.selectionEnd).join("")}findWordBoundaryLeft(t){let 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(t){let 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(t){let e=0,i=t-1;for(;!/\n/.test(this._text[i])&&i>-1;)e++,i--;return t-e}findLineBoundaryRight(t){let e=0,i=t;for(;!/\n/.test(this._text[i])&&i<this._text.length;)e++,i++;return t+e}searchWordBoundary(t,e){let i=this._text,r=t>0&&this._reSpace.test(i[t])&&(-1===e||!I.test(i[t-1]))?t-1:t,s=i[r];for(;r>0&&r<i.length&&!ns.test(s);)r+=e,s=i[r];return -1===e&&ns.test(s)&&r++,r}selectWord(t){var e;t=null!=(e=t)?e:this.selectionStart;let i=this.searchWordBoundary(t,-1),r=Math.max(i,this.searchWordBoundary(t,1));this.selectionStart=i,this.selectionEnd=r,this._fireSelectionChanged(),this._updateTextarea(),this.renderCursorOrSelection()}selectLine(t){var e;t=null!=(e=t)?e:this.selectionStart;let i=this.findLineBoundaryLeft(t),r=this.findLineBoundaryRight(t);this.selectionStart=i,this.selectionEnd=r,this._fireSelectionChanged(),this._updateTextarea()}enterEditing(t){!this.isEditing&&this.editable&&(this.enterEditingImpl(),this.fire("editing:entered",t?{e:t}:void 0),this._fireSelectionChanged(),this.canvas&&(this.canvas.fire("text:editing:entered",{target:this,e:t}),this.canvas.requestRenderAll()))}enterEditingImpl(){this.canvas&&(this.canvas.calcOffset(),this.canvas.textEditingManager.exitTextEditing()),this.isEditing=!0,this.initHiddenTextarea(),this.hiddenTextarea.focus(),this.hiddenTextarea.value=this.text,this._updateTextarea(),this._saveEditingProps(),this._setEditingProps(),this._textBeforeEdit=this.text,this._tick()}updateSelectionOnMouseMove(t){if(this.getActiveControl())return;let e=this.hiddenTextarea;tK(e).activeElement!==e&&e.focus();let i=this.getSelectionStartFromPointer(t),r=this.selectionStart,s=this.selectionEnd;(i===this.__selectionStartOnMouseDown&&r!==s||r!==i&&s!==i)&&(i>this.__selectionStartOnMouseDown?(this.selectionStart=this.__selectionStartOnMouseDown,this.selectionEnd=i):(this.selectionStart=i,this.selectionEnd=this.__selectionStartOnMouseDown),this.selectionStart===r&&this.selectionEnd===s||(this._fireSelectionChanged(),this._updateTextarea(),this.renderCursorOrSelection()))}

1_setEditingProps(){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(t,e,i){let r=i.slice(0,t),s=this.graphemeSplit(r).length;if(t===e)return{selectionStart:s,selectionEnd:s};let n=i.slice(t,e);return{selectionStart:s,selectionEnd:s+this.graphemeSplit(n).length}}fromGraphemeToStringSelection(t,e,i){let 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(){if(this.cursorOffsetCache={},this.hiddenTextarea){if(!this.inCompositionMode){let t=this.fromGraphemeToStringSelection(this.selectionStart,this.selectionEnd,this._text);this.hiddenTextarea.selectionStart=t.selectionStart,this.hiddenTextarea.selectionEnd=t.selectionEnd}this.updateTextareaPosition()}}updateFromTextArea(){if(!this.hiddenTextarea)return;this.cursorOffsetCache={};let t=this.hiddenTextarea;this.text=t.value,this.set("dirty",!0),this.initDimensions(),this.setCoords();let e=this.fromStringToGraphemeSelection(t.selectionStart,t.selectionEnd,t.value);this.selectionEnd=this.selectionStart=e.selectionEnd,this.inCompositionMode||(this.selectionStart=e.selectionStart),this.updateTextareaPosition()}updateTextareaPosition(){if(this.selectionStart===this.selectionEnd){let t=this._calcTextareaPosition();this.hiddenTextarea.style.left=t.left,this.hiddenTextarea.style.top=t.top}}_calcTextareaPosition(){if(!this.canvas)return{left:"1px",top:"1px"};let t=this.inCompositionMode?this.compositionStart:this.selectionStart,e=this._getCursorBoundaries(t),i=this.get2DCursorLocation(t),r=i.lineIndex,s=i.charIndex,n=this.getValueOfPropertyAt(r,s,"fontSize")*this.lineHeight,o=e.leftOffset,a=this.getCanvasRetinaScaling(),l=this.canvas.upperCanvasEl,h=l.width/a,c=l.height/a,u=h-n,d=c-n,g=new to(e.left+o,e.top+e.topOffset+n).transform(this.calcTransformMatrix()).transform(this.canvas.viewportTransform).multiply(new to(l.clientWidth/h,l.clientHeight/c));return g.x<0&&(g.x=0),g.x>u&&(g.x=u),g.y<0&&(g.y=0),g.y>d&&(g.y=d),g.x+=this.canvas._offset.left,g.y+=this.canvas._offset.top,{left:"".concat(g.x,"px"),top:"".concat(g.y,"px"),fontSize:"".concat(n,"px"),charHeight:n}}_saveEditingProps(){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(){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.defaultCursor,this.canvas.moveCursor=this._savedProps.moveCursor||this.canvas.moveCursor),delete this._savedProps)}_exitEditing(){let t=this.hiddenTextarea;this.selected=!1,this.isEditing=!1,t&&(t.blur&&t.blur(),t.parentNode&&t.parentNode.removeChild(t)),this.hiddenTextarea=null,this.abortCursorAnimation(),this.selectionStart!==this.selectionEnd&&this.clearContextTop()}exitEditingImpl(){this._exitEditing(),this.selectionEnd=this.selectionStart,this._restoreEditingProps(),this._forceClearCache&&(this.initDimensions(),this.setCoords())}exitEditing(){let t=this._textBeforeEdit!==this.text;return this.exitEditingImpl(),this.fire("editing:exited"),t&&this.fire(Z),this.canvas&&(this.canvas.fire("text:editing:exited",{target:this}),t&&this.canvas.fire("object:modified",{target:this})),this}_removeExtraneousStyles(){for(let t in this.styles)this._textLines[t]||delete this.styles[t]}removeStyleFromTo(t,e){let{lineIndex:i,charIndex:r}=this.get2DCursorLocation(t,!0),{lineIndex:s,charIndex:n}=this.get2DCursorLocation(e,!0);if(i!==s){if(this.styles[i])for(let t=r;t<this._unwrappedTextLines[i].length;t++)delete this.styles[i][t];if(this.styles[s])for(let t=n;t<this._unwrappedTextLines[s].length;t++){let e=this.styles[s][t];e&&(this.styles[i]||(this.styles[i]={}),this.styles[i][r+t-n]=e)}for(let t=i+1;t<=s;t++)delete this.styles[t];this.shiftLineStyles(s,i-s)}else if(this.styles[i]){let t=this.styles[i],e=n-r;for(let e=r;e<n;e++)delete t[e];for(let r in this.styles[i]){let i=parseInt(r,10);i>=n&&(t[i-e]=t[r],delete t[r])}}}shiftLineStyles(t,e){let i=Object.assign({},this.styles);for(let r in this.styles){let s=parseInt(r,10);s>t&&(this.styles[s+e]=i[s],i[s-e]||delete this.styles[s])}}insertNewlineStyleObject(t,e,i,r){let s={},n=this._unwrappedTextLines[t].length,o=n===e,a=!1;i||(i=1),this.shiftLineStyles(t,i);let l=this.styles[t]?this.styles[t][0===e?e:e-1]:void 0;for(let i in this.styles[t]){let r=parseInt(i,10);r>=e&&(a=!0,s[r-e]=this.styles[t][i],o&&0===e||delete this.styles[t][i])}let c=!1;for(a&&!o&&(this.styles[t+i]=s,c=!0),(c||n>e)&&i--;i>0;)r&&r[i-1]?this.styles[t+i]={0:h({},r[i-1])}:l?this.styles[t+i]={0:h({},l)}:delete this.styles[t+i],i--;this._forceClearCache=!0}insertCharStyleObject(t,e,i,r){this.styles||(this.styles={});let s=this.styles[t],n=s?h({},s):{};for(let t in i||(i=1),n){let r=parseInt(t,10);r>=e&&(s[r+i]=n[r],n[r-i]||delete s[r])}if(this._forceClearCache=!0,r){for(;i--;)Object.keys(r[i]).length&&(this.styles[t]||(this.styles[t]={}),this.styles[t][e+i]=h({},r[i]));return}if(!s)return;let o=s[e?e-1:1];for(;o&&i--;)this.styles[t][e+i]=h({},o)}insertNewStyleBlock(t,e,i){let r=this.get2DCursorLocation(e,!0),s=[0],n,o=0;for(let e=0;e<t.length;e++)"\n"===t[e]?s[++o]=0:s[o]++;for(s[0]>0&&(this.insertCharStyleObject(r.lineIndex,r.charIndex,s[0],i),i=i&&i.slice(s[0]+1)),o&&this.insertNewlineStyleObject(r.lineIndex,r.charIndex+s[0],o),n=1;n<o;n++)s[n]>0?this.insertCharStyleObject(r.lineIndex+n,0,s[n],i):i&&this.styles[r.lineIndex+n]&&i[0]&&(this.styles[r.lineIndex+n][0]=i[0]),i=i&&i.slice(s[n]+1);s[n]>0&&this.insertCharStyleObject(r.lineIndex+n,0,s[n],i)}removeChars(t){let e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:t+1;this.removeStyleFromTo(t,e),this._text.splice(t,e-t),this.text=this._text.join(""),this.set("dirty",!0),this.initDimensions(),this.setCoords(),this._removeExtraneousStyles()}insertChars(t,e,i){let r=arguments.length>3&&void 0!==arguments[3]?arguments[3]:i;r>i&&this.removeStyleFromTo(i,r);let s=this.graphemeSplit(t);this.insertNewStyleBlock(s,i,e),this._text=[...this._text.slice(0,i),...s,...this._text.slice(r)],this.text=this._text.join(""),this.set("dirty",!0),this.initDimensions(),this.setCoords(),this._removeExtraneousStyles()}setSelectionStartEndWithShift(t,e,i){i<=t?(e===t?this._selectionDirection=A:this._selectionDirection===F&&(this._selectionDirection=A,this.selectionEnd=t),this.selectionStart=i):i>t&&i<e?this._selectionDirection===F?this.selectionEnd=i:this.selectionStart=i:(e===t?this._selectionDirection=F:this._selectionDirection===A&&(this._selectionDirection=F,this.selectionStart=e),this.selectionEnd=i)}}class no extends nn{initHiddenTextarea(){let t=this.canvas&&tK(this.canvas.getElement())||C(),e=t.createElement("textarea");Object.entries({autocapitalize:"off",autocorrect:"off",autocomplete:"off",spellcheck:"false","data-fabric":"textarea",wrap:"off"}).map(t=>{let[i,r]=t;return e.setAttribute(i,r)});let{top:i,left:r,fontSize:s}=this._calcTextareaPosition();e.style.cssText="position: absolute; top: ".concat(i,";

1 left: ").concat(r,"; z-index: -999; opacity: 0; width: 1px; height: 1px; font-size: 1px; padding-top: ").concat(s,";"),(this.hiddenTextareaContainer||t.body).appendChild(e),Object.entries({blur:"blur",keydown:"onKeyDown",keyup:"onKeyUp",input:"onInput",copy:"copy",cut:"copy",paste:"paste",compositionstart:"onCompositionStart",compositionupdate:"onCompositionUpdate",compositionend:"onCompositionEnd"}).map(t=>{let[i,r]=t;return e.addEventListener(i,this[r].bind(this))}),this.hiddenTextarea=e}blur(){this.abortCursorAnimation()}onKeyDown(t){if(!this.isEditing)return;let 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(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(t){let e=this.fromPaste,{value:i,selectionStart:r,selectionEnd:s}=this.hiddenTextarea;if(this.fromPaste=!1,t&&t.stopPropagation(),!this.isEditing)return;let n=()=>{this.updateFromTextArea(),this.fire(z),this.canvas&&(this.canvas.fire("text:changed",{target:this}),this.canvas.requestRenderAll())};if(""===this.hiddenTextarea.value)return this.styles={},void n();let o=this._splitTextIntoLines(i).graphemeText,a=this._text.length,l=o.length,h=this.selectionStart,c=this.selectionEnd,u=h!==c,d,f,p,m,v=l-a,y=this.fromStringToGraphemeSelection(r,s,i),_=h>y.selectionStart;u?(f=this._text.slice(h,c),v+=c-h):l<a&&(f=_?this._text.slice(c+v,c):this._text.slice(h,h-v));let C=o.slice(y.selectionEnd-v,y.selectionEnd);if(f&&f.length&&(C.length&&(d=this.getSelectionStyles(h,h+1,!1),d=C.map(()=>d[0])),u?(p=h,m=c):_?(p=c-f.length,m=c):(p=c,m=c+f.length),this.removeStyleFromTo(p,m)),C.length){let{copyPasteData:t}=x();e&&C.join("")===t.copiedText&&!g.disableStyleCopyPaste&&(d=t.copiedTextStyle),this.insertNewStyleBlock(C,h,d)}n()}onCompositionStart(){this.inCompositionMode=!0}onCompositionEnd(){this.inCompositionMode=!1}onCompositionUpdate(t){let{target:e}=t,{selectionStart:i,selectionEnd:r}=e;this.compositionStart=i,this.compositionEnd=r,this.updateTextareaPosition()}copy(){if(this.selectionStart===this.selectionEnd)return;let{copyPasteData:t}=x();t.copiedText=this.getSelectedText(),g.disableStyleCopyPaste?t.copiedTextStyle=void 0:t.copiedTextStyle=this.getSelectionStyles(this.selectionStart,this.selectionEnd,!0),this._copyDone=!0}paste(){this.fromPaste=!0}_getWidthBeforeCursor(t,e){let i,r=this._getLineLeftOffset(t);return e>0&&(r+=(i=this.__charBounds[t][e-1]).left+i.width),r}getDownCursorOffset(t,e){let i=this._getSelectionForOffset(t,e),r=this.get2DCursorLocation(i),s=r.lineIndex;if(s===this._textLines.length-1||t.metaKey||34===t.keyCode)return this._text.length-i;let n=r.charIndex,o=this._getWidthBeforeCursor(s,n),a=this._getIndexOnLine(s+1,o);return this._textLines[s].slice(n).length+a+1+this.missingNewlineOffset(s)}_getSelectionForOffset(t,e){return t.shiftKey&&this.selectionStart!==this.selectionEnd&&e?this.selectionEnd:this.selectionStart}getUpCursorOffset(t,e){let i=this._getSelectionForOffset(t,e),r=this.get2DCursorLocation(i),s=r.lineIndex;if(0===s||t.metaKey||33===t.keyCode)return-i;let n=r.charIndex,o=this._getWidthBeforeCursor(s,n),a=this._getIndexOnLine(s-1,o),l=this._textLines[s].slice(0,n),h=this.missingNewlineOffset(s-1);return-this._textLines[s-1].length+a-l.length+(1-h)}_getIndexOnLine(t,e){let i=this._textLines[t],r,s,n=this._getLineLeftOffset(t),o=0;for(let a=0,l=i.length;a<l;a++)if((n+=r=this.__charBounds[t][a].width)>e){s=!0;let t=Math.abs(n-r-e);o=Math.abs(n-e)<t?a:a-1;break}return s||(o=i.length-1),o}moveCursorDown(t){this.selectionStart>=this._text.length&&this.selectionEnd>=this._text.length||this._moveCursorUpOrDown("Down",t)}moveCursorUp(t){0===this.selectionStart&&0===this.selectionEnd||this._moveCursorUpOrDown("Up",t)}_moveCursorUpOrDown(t,e){let i=this["get".concat(t,"CursorOffset")](e,this._selectionDirection===F);if(e.shiftKey?this.moveCursorWithShift(i):this.moveCursorWithoutShift(i),0!==i){let t=this.text.length;this.selectionStart=e7(0,this.selectionStart,t),this.selectionEnd=e7(0,this.selectionEnd,t),this.abortCursorAnimation(),this.initDelayedCursor(),this._fireSelectionChanged(),this._updateTextarea()}}moveCursorWithShift(t){let e=this._selectionDirection===A?this.selectionStart+t:this.selectionEnd+t;return this.setSelectionStartEndWithShift(this.selectionStart,this.selectionEnd,e),0!==t}moveCursorWithoutShift(t){return t<0?(this.selectionStart+=t,this.selectionEnd=this.selectionStart):(this.selectionEnd+=t,this.selectionStart=this.selectionEnd),0!==t}moveCursorLeft(t){0===this.selectionStart&&0===this.selectionEnd||this._moveCursorLeftOrRight("Left",t)}_move(t,e,i){let r;if(t.altKey)r=this["findWordBoundary".concat(i)](this[e]);else{if(!t.metaKey&&35!==t.keyCode&&36!==t.keyCode)return this[e]+="Left"===i?-1:1,!0;r=this["findLineBoundary".concat(i)](this[e])}return void 0!==r&&this[e]!==r&&(this[e]=r,!0)}_moveLeft(t,e){return this._move(t,e,"Left")}_moveRight(t,e){return this._move(t,e,"Right")}moveCursorLeftWithoutShift(t){let e=!0;return this._selectionDirection=A,this.selectionEnd===this.selectionStart&&0!==this.selectionStart&&(e=this._moveLeft(t,"selectionStart")),this.selectionEnd=this.selectionStart,e}moveCursorLeftWithShift(t){return this._selectionDirection===F&&this.selectionStart!==this.selectionEnd?this._moveLeft(t,"selectionEnd"):0!==this.selectionStart?(this._selectionDirection=A,this._moveLeft(t,"selectionStart")):void 0}moveCursorRight(t){this.selectionStart>=this._text.length&&this.selectionEnd>=this._text.length||this._moveCursorLeftOrRight("Right",t)}_moveCursorLeftOrRight(t,e){let i="moveCursor".concat(t).concat(e.shiftKey?"WithShift":"WithoutShift");this._currentCursorOpacity=1,this[i](e)&&(this.abortCursorAnimation(),this.initDelayedCursor(),this._fireSelectionChanged(),this._updateTextarea())}moveCursorRightWithShift(t){return this._selectionDirection===A&&this.selectionStart!==this.selectionEnd?this._moveRight(t,"selectionStart"):this.selectionEnd!==this._text.length?(this._selectionDirection=F,this._moveRight(t,"selectionEnd")):void 0}moveCursorRightWithoutShift(t){let e=!0;return this._selectionDirection=F,this.selectionStart===this.selectionEnd?(e=this._moveRight(t,"selectionStart"),this.selectionEnd=this.selectionStart):this.selectionStart=this.selectionEnd,e}}class na extends no{constructor(){super(...arguments),a(this,"draggableTextDelegate",void 0)}initBehavior(){this.on("mousedown",this._mouseDownHandler),this.on("mouseup",this.mouseUpHandler),this.on("mousedblclick",this.doubleClickHandler),this.on("mousetripleclick",this.tripleClickHandler),this.draggableTextDelegate=new nr(this),super.initBehavior()}

1shouldStartDragging(){return this.draggableTextDelegate.isActive()}onDragStart(t){return this.draggableTextDelegate.onDragStart(t)}canDrop(t){return this.draggableTextDelegate.canDrop(t)}doubleClickHandler(t){this.isEditing&&(this.selectWord(this.getSelectionStartFromPointer(t.e)),this.renderCursorOrSelection())}tripleClickHandler(t){this.isEditing&&(this.selectLine(this.getSelectionStartFromPointer(t.e)),this.renderCursorOrSelection())}_mouseDownHandler(t){let{e:e,alreadySelected:i}=t;this.canvas&&this.editable&&!e.button&&!this.getActiveControl()&&(this.draggableTextDelegate.start(e)||(this.canvas.textEditingManager.register(this),i&&(this.inCompositionMode=!1,this.setCursorByClick(e)),this.isEditing&&(this.__selectionStartOnMouseDown=this.selectionStart,this.selectionStart===this.selectionEnd&&this.abortCursorAnimation(),this.renderCursorOrSelection()),this.selected||(this.selected=i||this.isEditing)))}mouseUpHandler(t){let{e:e,transform:i}=t,r=this.draggableTextDelegate.end(e);if(this.canvas){this.canvas.textEditingManager.unregister(this);let t=this.canvas._activeObject;if(t&&t!==this)return}!this.editable||this.group&&!this.group.interactive||i&&i.actionPerformed||e.button||r||this.selected&&!this.getActiveControl()&&(this.enterEditing(e),this.selectionStart===this.selectionEnd?this.initDelayedCursor(!0):this.renderCursorOrSelection())}setCursorByClick(t){let 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(t){let e=this.canvas.getScenePoint(t).transform(tw(this.calcTransformMatrix())).add(new to(-this._getLeftOffset(),-this._getTopOffset())),i=0,r=0,s=0;for(let t=0;t<this._textLines.length&&i<=e.y;t++)i+=this.getHeightOfLine(t),s=t,t>0&&(r+=this._textLines[t-1].length+this.missingNewlineOffset(t-1));let n=Math.abs(this._getLineLeftOffset(s)),o=this._textLines[s].length,a=this.__charBounds[s];for(let t=0;t<o;t++){let i=n+a[t].kernedWidth;if(e.x<=i){Math.abs(e.x-i)<=Math.abs(e.x-n)&&r++;break}n=i,r++}return Math.min(this.flipX?o-r:r,this._text.length)}}let nl="moveCursorUp",nh="moveCursorDown",nc="moveCursorLeft",nu="moveCursorRight",nd="exitEditing",ng=(t,e)=>{let i=e.getRetinaScaling();t.setTransform(i,0,0,i,0,0);let r=e.viewportTransform;t.transform(r[0],r[1],r[2],r[3],r[4],r[5])},nf=h({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,keysMap:{9:nd,27:nd,33:nl,34:nh,35:nu,36:nc,37:nc,38:nl,39:nu,40:nh},keysMapRtl:{9:nd,27:nd,33:nl,34:nh,35:nc,36:nu,37:nu,38:nl,39:nc,40:nh},ctrlKeysMapDown:{65:"cmdAll"},ctrlKeysMapUp:{67:"copy",88:"cut"}},{_selectionDirection:null,_reSpace:/\s|\r?\n/,inCompositionMode:!1});class np extends na{static getDefaults(){return h(h({},super.getDefaults()),np.ownDefaults)}get type(){let t=super.type;return"itext"===t?"i-text":t}constructor(t,e){super(t,h(h({},np.ownDefaults),e)),this.initBehavior()}_set(t,e){return this.isEditing&&this._savedProps&&t in this._savedProps?(this._savedProps[t]=e,this):("canvas"===t&&(this.canvas instanceof sM&&this.canvas.textEditingManager.remove(this),e instanceof sM&&e.textEditingManager.add(this)),super._set(t,e))}setSelectionStart(t){t=Math.max(t,0),this._updateAndFire("selectionStart",t)}setSelectionEnd(t){t=Math.min(t,this.text.length),this._updateAndFire("selectionEnd",t)}_updateAndFire(t,e){this[t]!==e&&(this._fireSelectionChanged(),this[t]=e),this._updateTextarea()}_fireSelectionChanged(){this.fire("selection:changed"),this.canvas&&this.canvas.fire("text:selection:changed",{target:this})}initDimensions(){this.isEditing&&this.initDelayedCursor(),super.initDimensions()}getSelectionStyles(){let t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:this.selectionStart||0,e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:this.selectionEnd,i=arguments.length>2?arguments[2]:void 0;return super.getSelectionStyles(t,e,i)}setSelectionStyles(t){let e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:this.selectionStart||0,i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:this.selectionEnd;return super.setSelectionStyles(t,e,i)}get2DCursorLocation(){let t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:this.selectionStart,e=arguments.length>1?arguments[1]:void 0;return super.get2DCursorLocation(t,e)}

1render(t){super.render(t),this.cursorOffsetCache={},this.renderCursorOrSelection()}toCanvasElement(t){let e=this.isEditing;this.isEditing=!1;let i=super.toCanvasElement(t);return this.isEditing=e,i}renderCursorOrSelection(){if(!this.isEditing||!this.canvas)return;let t=this.clearContextTop(!0);if(!t)return;let e=this._getCursorBoundaries(),i=this.findAncestorsWithClipPath(),r=i.length>0,s,n=t;if(r){ng(n=(s=tv(t.canvas)).getContext("2d"),this.canvas);let e=this.calcTransformMatrix();n.transform(e[0],e[1],e[2],e[3],e[4],e[5])}if(this.selectionStart!==this.selectionEnd||this.inCompositionMode?this.renderSelection(n,e):this.renderCursor(n,e),r)for(let e of i){let i=e.clipPath,r=tv(t.canvas),s=r.getContext("2d");if(ng(s,this.canvas),!i.absolutePositioned){let t=e.calcTransformMatrix();s.transform(t[0],t[1],t[2],t[3],t[4],t[5])}i.transform(s),i.drawObject(s,!0,{}),this.drawClipPathOnCache(n,i,r)}r&&(t.setTransform(1,0,0,1,0,0),t.drawImage(s,0,0)),this.canvas.contextTopDirty=!0,t.restore()}findAncestorsWithClipPath(){let t=[],e=this;for(;e;)e.clipPath&&t.push(e),e=e.parent;return t}_getCursorBoundaries(){let t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:this.selectionStart,e=arguments.length>1?arguments[1]:void 0,i=this._getLeftOffset(),r=this._getTopOffset(),s=this._getCursorBoundariesOffsets(t,e);return{left:i,top:r,leftOffset:s.left,topOffset:s.top}}_getCursorBoundariesOffsets(t,e){return e?this.__getCursorBoundariesOffsets(t):this.cursorOffsetCache&&"top"in this.cursorOffsetCache?this.cursorOffsetCache:this.cursorOffsetCache=this.__getCursorBoundariesOffsets(t)}__getCursorBoundariesOffsets(t){let e=0,i=0,{charIndex:r,lineIndex:s}=this.get2DCursorLocation(t);for(let t=0;t<s;t++)e+=this.getHeightOfLine(t);let n=this._getLineLeftOffset(s),o=this.__charBounds[s][r];o&&(i=o.left),0!==this.charSpacing&&r===this._textLines[s].length&&(i-=this._getWidthOfCharSpacing());let a={top:e,left:n+(i>0?i:0)};return"rtl"===this.direction&&(this.textAlign===F||this.textAlign===eI||this.textAlign===eB?a.left*=-1:this.textAlign===A||this.textAlign===eR?a.left=n-(i>0?i:0):this.textAlign!==P&&this.textAlign!==eX||(a.left=n-(i>0?i:0))),a}renderCursorAt(t){this._renderCursor(this.canvas.contextTop,this._getCursorBoundaries(t,!0),t)}renderCursor(t,e){this._renderCursor(t,e,this.selectionStart)}getCursorRenderingData(){let t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:this.selectionStart,e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:this._getCursorBoundaries(t),i=this.get2DCursorLocation(t),r=i.lineIndex,s=i.charIndex>0?i.charIndex-1:0,n=this.getValueOfPropertyAt(r,s,"fontSize"),o=this.getObjectScaling().x*this.canvas.getZoom(),a=this.cursorWidth/o,l=this.getValueOfPropertyAt(r,s,"deltaY"),h=e.topOffset+(1-this._fontSizeFraction)*this.getHeightOfLine(r)/this.lineHeight-n*(1-this._fontSizeFraction);return{color:this.cursorColor||this.getValueOfPropertyAt(r,s,"fill"),opacity:this._currentCursorOpacity,left:e.left+e.leftOffset-a/2,top:h+e.top+l,width:a,height:n}}_renderCursor(t,e,i){let{color:r,opacity:s,left:n,top:o,width:a,height:l}=this.getCursorRenderingData(i,e);t.fillStyle=r,t.globalAlpha=s,t.fillRect(n,o,a,l)}renderSelection(t,e){let i={selectionStart:this.inCompositionMode?this.hiddenTextarea.selectionStart:this.selectionStart,selectionEnd:this.inCompositionMode?this.hiddenTextarea.selectionEnd:this.selectionEnd};this._renderSelection(t,i,e)}renderDragSourceEffect(){let t=this.draggableTextDelegate.getDragStartSelection();this._renderSelection(this.canvas.contextTop,t,this._getCursorBoundaries(t.selectionStart,!0))}renderDropTargetEffect(t){let e=this.getSelectionStartFromPointer(t);this.renderCursorAt(e)}_renderSelection(t,e,i){let r=e.selectionStart,s=e.selectionEnd,n=this.textAlign.includes(eI),o=this.get2DCursorLocation(r),a=this.get2DCursorLocation(s),l=o.lineIndex,h=a.lineIndex,c=o.charIndex<0?0:o.charIndex,u=a.charIndex<0?0:a.charIndex;for(let e=l;e<=h;e++){let r=this._getLineLeftOffset(e)||0,s=this.getHeightOfLine(e),o=0,a=0,d=0;if(e===l&&(a=this.__charBounds[l][c].left),e>=l&&e<h)d=n&&!this.isEndOfWrapping(e)?this.width:this.getLineWidth(e)||5;else if(e===h)if(0===u)d=this.__charBounds[h][u].left;else{let t=this._getWidthOfCharSpacing();d=this.__charBounds[h][u-1].left+this.__charBounds[h][u-1].width-t}o=s,(this.lineHeight<1||e===h&&this.lineHeight>1)&&(s/=this.lineHeight);let g=i.left+r+a,f=s,p=0,m=d-a;this.inCompositionMode?(t.fillStyle=this.compositionColor||"black",f=1,p=s):t.fillStyle=this.selectionColor,"rtl"===this.direction&&(this.textAlign===F||this.textAlign===eI||this.textAlign===eB?g=this.width-g-m:this.textAlign===A||this.textAlign===eR?g=i.left+r-d:this.textAlign!==P&&this.textAlign!==eX||(g=i.left+r-d)),t.fillRect(g,i.top+i.topOffset+p,m,f),i.topOffset+=o}}getCurrentCharFontSize(){let t=this._getCurrentCharIndex();return this.getValueOfPropertyAt(t.l,t.c,"fontSize")}getCurrentCharColor(){let t=this._getCurrentCharIndex();return this.getValueOfPropertyAt(t.l,t.c,J)}_getCurrentCharIndex(){let t=this.get2DCursorLocation(this.selectionStart,!0),e=t.charIndex>0?t.charIndex-1:0;return{l:t.lineIndex,c:e}}dispose(){this.exitEditingImpl(),this.draggableTextDelegate.dispose(),super.dispose()}}a(np,"ownDefaults",nf),a(np,"type","IText"),tt.setClass(np),tt.setClass(np,"i-text");class nm extends np{static getDefaults(){return h(h({},super.getDefaults()),nm.ownDefaults)}constructor(t,e){super(t,h(h({},nm.ownDefaults),e))}static createControls(){return{controls:ri()}}initDimensions(){this.initialized&&(this.isEditing&&this.initDelayedCursor(),this._clearCache(),this.dynamicMinWidth=0,this._styleMap=this._generateStyleMap(this._splitText()),this.dynamicMinWidth>this.width&&this._set("width",this.dynamicMinWidth),this.textAlign.includes(eI)&&this.enlargeSpace

1s(),this.height=this.calcTextHeight())}_generateStyleMap(t){let e=0,i=0,r=0,s={};for(let n=0;n<t.graphemeLines.length;n++)"\n"===t.graphemeText[r]&&n>0?(i=0,r++,e++):!this.splitByGrapheme&&this._reSpaceAndTab.test(t.graphemeText[r])&&n>0&&(i++,r++),s[n]={line:e,offset:i},r+=t.graphemeLines[n].length,i+=t.graphemeLines[n].length;return s}styleHas(t,e){if(this._styleMap&&!this.isWrapping){let t=this._styleMap[e];t&&(e=t.line)}return super.styleHas(t,e)}isEmptyStyles(t){if(!this.styles)return!0;let e,i=0,r=!1,s=this._styleMap[t],n=this._styleMap[t+1];s&&(t=s.line,i=s.offset),n&&(r=n.line===t,e=n.offset);let o=void 0===t?this.styles:{line:this.styles[t]};for(let t in o)for(let s in o[t]){let n=parseInt(s,10);if(n>=i&&(!r||n<e))for(let e in o[t][s])return!1}return!0}_getStyleDeclaration(t,e){if(this._styleMap&&!this.isWrapping){let i=this._styleMap[t];if(!i)return{};t=i.line,e=i.offset+e}return super._getStyleDeclaration(t,e)}_setStyleDeclaration(t,e,i){let r=this._styleMap[t];super._setStyleDeclaration(r.line,r.offset+e,i)}_deleteStyleDeclaration(t,e){let i=this._styleMap[t];super._deleteStyleDeclaration(i.line,i.offset+e)}_getLineStyle(t){let e=this._styleMap[t];return!!this.styles[e.line]}_setLineStyle(t){let e=this._styleMap[t];super._setLineStyle(e.line)}_wrapText(t,e){this.isWrapping=!0;let i=this.getGraphemeDataForRender(t),r=[];for(let t=0;t<i.wordsData.length;t++)r.push(...this._wrapLine(t,e,i));return this.isWrapping=!1,r}getGraphemeDataForRender(t){let e=this.splitByGrapheme,i=e?"":" ",r=0;return{wordsData:t.map((t,s)=>{let n=0,o=e?this.graphemeSplit(t):this.wordSplit(t);return 0===o.length?[{word:[],width:0}]:o.map(t=>{let o=e?[t]:this.graphemeSplit(t),a=this._measureWord(o,s,n);return r=Math.max(a,r),n+=o.length+i.length,{word:o,width:a}})}),largestWordWidth:r}}_measureWord(t,e){let i,r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:0,s=0;for(let n=0,o=t.length;n<o;n++)s+=this._getGraphemeBox(t[n],e,n+r,i,!0).kernedWidth,i=t[n];return s}wordSplit(t){return t.split(this._wordJoiners)}_wrapLine(t,e,i){let r,{largestWordWidth:s,wordsData:n}=i,o=arguments.length>3&&void 0!==arguments[3]?arguments[3]:0,a=this._getWidthOfCharSpacing(),l=this.splitByGrapheme,h=[],c=l?"":" ",u=0,d=[],g=0,f=0,p=!0,m=Math.max(e-=o,s,this.dynamicMinWidth),v=n[t];for(g=0,r=0;r<v.length;r++){let{word:e,width:i}=v[r];g+=e.length,(u+=f+i-a)>m&&!p?(h.push(d),d=[],u=i,p=!0):u+=a,p||l||d.push(c),d=d.concat(e),f=l?0:this._measureWord([c],t,g),g++,p=!1}return r&&h.push(d),s+o>this.dynamicMinWidth&&(this.dynamicMinWidth=s-a+o),h}isEndOfWrapping(t){return!this._styleMap[t+1]||this._styleMap[t+1].line!==this._styleMap[t].line}missingNewlineOffset(t,e){return this.splitByGrapheme&&!e?+!!this.isEndOfWrapping(t):1}_splitTextIntoLines(t){let e=super._splitTextIntoLines(t),i=this._wrapText(e.lines,this.width),r=Array(i.length);for(let t=0;t<i.length;t++)r[t]=i[t].join("");return e.lines=r,e.graphemeLines=i,e}getMinWidth(){return Math.max(this.minWidth,this.dynamicMinWidth)}_removeExtraneousStyles(){let t=new Map;for(let e in this._styleMap){let i=parseInt(e,10);if(this._textLines[i]){let i=this._styleMap[e].line;t.set("".concat(i),!0)}}for(let e in this.styles)t.has(e)||delete this.styles[e]}toObject(){let t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:[];return super.toObject(["minWidth","splitByGrapheme",...t])}}a(nm,"type","Textbox"),a(nm,"textLayoutProperties",[...np.textLayoutProperties,"width"]),a(nm,"ownDefaults",{minWidth:20,dynamicMinWidth:2,lockScalingFlip:!0,noScaleCache:!1,_wordJoiners:/[ \t\r]/,splitByGrapheme:!1}),tt.setClass(nm);class nv extends rU{shouldPerformLayout(t){return!!t.target.clipPath&&super.shouldPerformLayout(t)}shouldLayoutClipPath(){return!1}calcLayoutResult(t,e){let{target:i}=t,{clipPath:r,group:s}=i;if(!r||!this.shouldPerformLayout(t))return;let{width:n,height:o}=t8(rN(i,r)),a=new to(n,o);if(r.absolutePositioned)return{center:en(r.getRelativeCenterPoint(),void 0,s?s.calcTransformMatrix():void 0),size:a};{let s=r.getRelativeCenterPoint().transform(i.calcOwnMatrix(),!0);if(this.shouldPerformLayout(t)){let{center:i=new to,correction:r=new to}=this.calcBoundingBox(e,t)||{};return{center:i.add(s),correction:r.subtract(s),size:a}}return{center:i.getRelativeCenterPoint().add(s),size:a}}}}a(nv,"type","clip-path"),tt.setClass(nv);class ny extends rU{getInitialSize(t,e){let{target:i}=t,{size:r}=e;return new to(i.width||r.x,i.height||r.y)}}a(ny,"type","fixed"),tt.setClass(ny);

1class n_ extends rZ{subscribeTargets(t){let e=t.target;t.targets.reduce((t,e)=>(e.parent&&t.add(e.parent),t),new Set).forEach(t=>{t.layoutManager.subscribeTargets({target:t,targets:[e]})})}unsubscribeTargets(t){let e=t.target,i=e.getObjects();t.targets.reduce((t,e)=>(e.parent&&t.add(e.parent),t),new Set).forEach(t=>{i.some(e=>e.parent===t)||t.layoutManager.unsubscribeTargets({target:t,targets:[e]})})}}class nx extends r1{static getDefaults(){return h(h({},super.getDefaults()),nx.ownDefaults)}constructor(){let t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:[],e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};super(),Object.assign(this,nx.ownDefaults),this.setOptions(e);let{left:i,top:r,layoutManager:s}=e;this.groupInit(t,{left:i,top:r,layoutManager:null!=s?s:new n_})}_shouldSetNestedCoords(){return!0}__objectSelectionMonitor(){}multiSelectAdd(){for(var t=arguments.length,e=Array(t),i=0;i<t;i++)e[i]=arguments[i];"selection-order"===this.multiSelectionStacking?this.add(...e):e.forEach(t=>{let e=this._objects.findIndex(e=>e.isInFrontOf(t)),i=-1===e?this.size():e;this.insertAt(i,t)})}canEnterGroup(t){return this.getObjects().some(e=>e.isDescendantOf(t)||t.isDescendantOf(e))?(f("error","ActiveSelection: circular object trees are not supported, this call has no effect"),!1):super.canEnterGroup(t)}enterGroup(t,e){t.parent&&t.parent===t.group?t.parent._exitGroup(t):t.group&&t.parent!==t.group&&t.group.remove(t),this._enterGroup(t,e)}exitGroup(t,e){this._exitGroup(t,e),t.parent&&t.parent._enterGroup(t,!0)}_onAfterObjectsChange(t,e){super._onAfterObjectsChange(t,e);let i=new Set;e.forEach(t=>{let{parent:e}=t;e&&i.add(e)}),t===rz?i.forEach(t=>{t._onAfterObjectsChange(rH,e)}):i.forEach(t=>{t._set("dirty",!0)})}onDeselect(){return this.removeAll(),!1}toString(){return"#<ActiveSelection: (".concat(this.complexity(),")>")}shouldCache(){return!1}isOnACache(){return!1}_renderControls(t,e,i){t.save(),t.globalAlpha=this.isMoving?this.borderOpacityWhenMoving:1;let r=h(h({hasControls:!1},i),{},{forActiveSelection:!0}

1);for(let e=0;e<this._objects.length;e++)this._objects[e]._renderControls(t,r);super._renderControls(t,e),t.restore()}}a(nx,"type","ActiveSelection"),a(nx,"ownDefaults",{multiSelectionStacking:"canvas-stacking"}),tt.setClass(nx),tt.setClass(nx,"activeSelection");class nC{constructor(){a(this,"resources",{})}applyFilters(t,e,i,r,s){let n=s.getContext("2d");if(!n)return;n.drawImage(e,0,0,i,r);let o={sourceWidth:i,sourceHeight:r,imageData:n.getImageData(0,0,i,r),originalEl:e,originalImageData:n.getImageData(0,0,i,r),canvasEl:s,ctx:n,filterBackend:this};t.forEach(t=>{t.applyTo(o)});let{imageData:a}=o;return a.width===i&&a.height===r||(s.width=a.width,s.height=a.height),n.putImageData(a,0,0),o}}class nb{constructor(){let{tileSize:t=g.textureSize}=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};a(this,"aPosition",new Float32Array([0,0,0,1,1,0,1,1])),a(this,"resources",{}),this.tileSize=t,this.setupGLContext(t,t),this.captureGPUInfo()}setupGLContext(t,e){this.dispose(),this.createWebGLCanvas(t,e)}createWebGLCanvas(t,e){let i=tv({width:t,height:e}),r=i.getContext("webgl",{alpha:!0,premultipliedAlpha:!1,depth:!1,stencil:!1,antialias:!1});r&&(r.clearColor(0,0,0,0),this.canvas=i,this.gl=r)}applyFilters(t,e,i,r,s,n){let o,a=this.gl,l=s.getContext("2d");if(!a||!l)return;n&&(o=this.getCachedTexture(n,e));let h={originalWidth:e.width||e.naturalWidth||0,originalHeight:e.height||e.naturalHeight||0,sourceWidth:i,sourceHeight:r,destinationWidth:i,destinationHeight:r,context:a,sourceTexture:this.createTexture(a,i,r,o?void 0:e),targetTexture:this.createTexture(a,i,r),originalTexture:o||this.createTexture(a,i,r,o?void 0:e),passes:t.length,webgl:!0,aPosition:this.aPosition,programCache:this.programCache,pass:0,filterBackend:this,targetCanvas:s},c=a.createFramebuffer();return a.bindFramebuffer(a.FRAMEBUFFER,c),t.forEach(t=>{t&&t.applyTo(h)}),function(t){let e=t.targetCanvas,i=e.width,r=e.height,s=t.destinationWidth,n=t.destinationHeight;i===s&&r===n||(e.width=s,e.height=n)}(h),this.copyGLTo2D(a,h),a.bindTexture(a.TEXTURE_2D,null),a.deleteTexture(h.sourceTexture),a.deleteTexture(h.targetTexture),a.deleteFramebuffer(c),l.setTransform(1,0,0,1,0,0),h}dispose(){this.canvas&&(this.canvas=null,this.gl=null),this.clearWebGLCaches()}clearWebGLCaches(){this.programCache={},this.textureCache={}}createTexture(t,e,i,r,s){let{NEAREST:n,TEXTURE_2D:o,RGBA:a,UNSIGNED_BYTE:l,CLAMP_TO_EDGE:h,TEXTURE_MAG_FILTER:c,TEXTURE_MIN_FILTER:u,TEXTURE_WRAP_S:d,TEXTURE_WRAP_T:g}=t,f=t.createTexture();return t.bindTexture(o,f),t.texParameteri(o,c,s||n),t.texParameteri(o,u,s||n),t.texParameteri(o,d,h),t.texParameteri(o,g,h),r?t.texImage2D(o,0,a,a,l,r):t.texImage2D(o,0,a,e,i,0,a,l,null),f}getCachedTexture(t,e,i){let{textureCache:r}=this;if(r[t])return r[t];{let s=this.createTexture(this.gl,e.width,e.height,e,i);return s&&(r[t]=s),s}}evictCachesForKey(t){this.textureCache[t]&&(this.gl.deleteTexture(this.textureCache[t]),delete this.textureCache[t])}copyGLTo2D(t,e){let i=t.canvas,r=e.targetCanvas,s=r.getContext("2d");if(!s)return;s.translate(0,r.height),s.scale(1,-1);let n=i.height-r.height;s.drawImage(i,0,n,r.width,r.height,0,0,r.width,r.height)}copyGLTo2DPutImageData(t,e){let i=e.targetCanvas.getContext("2d"),r=e.destinationWidth,s=e.destinationHeight,n=r*s*4;if(!i)return;let o=new Uint8Array(this.imageBuffer,0,n),a=new Uint8ClampedArray(this.imageBuffer,0,n);t.readPixels(0,0,r,s,t.RGBA,t.UNSIGNED_BYTE,o);let l=new ImageData(a,r,s);i.putImageData(l,0,0)}captureGPUInfo(){if(this.gpuInfo)return this.gpuInfo;let t=this.gl,e={renderer:"",vendor:""};if(!t)return e;let i=t.getExtension("WEBGL_debug_renderer_info");if(i){let r=t.getParameter(i.UNMASKED_RENDERER_WEBGL),s=t.getParameter(i.UNMASKED_VENDOR_WEBGL);r&&(e.renderer=r.toLowerCase()),s&&(e.vendor=s.toLowerCase())}return this.gpuInfo=e,e}}function nS(){return o||arguments.length>0&&void 0!==arguments[0]&&!arguments[0]||(o=function(){let{WebGLProbe:t}=x();return t.queryWebGL(tp()),g.enableGLFiltering&&t.isSupported(g.textureSize)?new nb({tileSize:g.textureSize}):new nC}()),o}let nw=["filters","resizeFilter","src","crossOrigin","type"],nT=["cropX","cropY"];class nO extends rn{static getDefaults(){return h(h({},super.getDefaults()),nO.ownDefaults)}constructor(t,e){super(),a(this,"_lastScaleX",1),a(this,"_lastScaleY",1),a(this,"_filterScalingX",1),a(this,"_filterScalingY",1),this.filters=[],Object.assign(this,nO.ownDefaults),this.setOptions(e),this.cacheKey="texture".concat(tf()),this.setElement("string"==typeof t?(this.canvas&&tK(this.canvas.getElement())||C()).getElementById(t):t,e)}getElement(){return this._element}

1setElement(t){var e;let i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};this.removeTexture(this.cacheKey),this.removeTexture("".concat(this.cacheKey,"_filtered")),this._element=t,this._originalElement=t,this._setWidthHeight(i),null==(e=t.classList)||e.add(nO.CSS_CANVAS),0!==this.filters.length&&this.applyFilters(),this.resizeFilter&&this.applyResizeFilters()}removeTexture(t){let e=nS(!1);e instanceof nb&&e.evictCachesForKey(t)}dispose(){super.dispose(),this.removeTexture(this.cacheKey),this.removeTexture("".concat(this.cacheKey,"_filtered")),this._cacheContext=null,["_originalElement","_element","_filteredEl","_cacheCanvas"].forEach(t=>{let e=this[t];e&&x().dispose(e),this[t]=void 0})}getCrossOrigin(){return this._originalElement&&(this._originalElement.crossOrigin||null)}getOriginalSize(){let t=this.getElement();return t?{width:t.naturalWidth||t.width,height:t.naturalHeight||t.height}:{width:0,height:0}}_stroke(t){if(!this.stroke||0===this.strokeWidth)return;let 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(){let t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:[],e=[];return this.filters.forEach(t=>{t&&e.push(t.toObject())}),h(h({},super.toObject([...nT,...t])),{},{src:this.getSrc(),crossOrigin:this.getCrossOrigin(),filters:e},this.resizeFilter?{resizeFilter:this.resizeFilter.toObject()}:{})}hasCrop(){return!!this.cropX||!!this.cropY||this.width<this._element.width||this.height<this._element.height}_toSVG(){let t=[],e=this._element,i=-this.width/2,r=-this.height/2,s=[],n=[],o="",a="";if(!e)return[];if(this.hasCrop()){let t=tf();s.push('<clipPath id="imageCrop_'+t+'">\n','	<rect x="'+i+'" y="'+r+'" width="'+this.width+'" height="'+this.height+'" />\n',"</clipPath>\n"),o=' clip-path="url(#imageCrop_'+t+')" '}if(this.imageSmoothing||(a=' image-rendering="optimizeSpeed"'),t.push("	<image ","COMMON_PARTS",'xlink:href="'.concat(this.getSvgSrc(!0),'" x="').concat(i-this.cropX,'" y="').concat(r-this.cropY,'" width="').concat(e.width||e.naturalWidth,'" height="').concat(e.height||e.naturalHeight,'"').concat(a).concat(o,"></image>\n")),this.stroke||this.strokeDashArray){let t=this.fill;this.fill=null,n=['	<rect x="'.concat(i,'" y="').concat(r,'" width="').concat(this.width,'" height="').concat(this.height,'" style="').concat(this.getSvgStyles(),'" />\n')],this.fill=t}return this.paintFirst!==J?s.concat(n,t):s.concat(t,n)}getSrc(t){let e=t?this._element:this._originalElement;return e?e.toDataURL?e.toDataURL():this.srcFromAttribute?e.getAttribute("src")||"":e.src:this.src||""}getSvgSrc(t){return this.getSrc(t)}setSrc(t){let{crossOrigin:e,signal:i}=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return tR(t,{crossOrigin:e,signal:i}).then(t=>{void 0!==e&&this.set({crossOrigin:e}),this.setElement(t)})}toString(){return'#<Image: { src: "'.concat(this.getSrc(),'" }>')}applyResizeFilters(){let t=this.resizeFilter,e=this.minimumScaleTrigger,i=this.getTotalObjectScaling(),r=i.x,s=i.y,n=this._filteredEl||this._originalElement;if(this.group&&this.set("dirty",!0),!t||r>e&&s>e)return this._element=n,this._filterScalingX=1,this._filterScalingY=1,this._lastScaleX=r,void(this._lastScaleY=s);let o=tv(n),{width:a,height:l}=n;this._element=o,this._lastScaleX=t.scaleX=r,this._lastScaleY=t.scaleY=s,nS().applyFilters([t],n,a,l,this._element),this._filterScalingX=o.width/this._originalElement.width,this._filterScalingY=o.height/this._originalElement.height}applyFilters(){let t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:this.filters||[];if(t=t.filter(t=>t&&!t.isNeutralState()),this.set("dirty",!0),this.removeTexture("".concat(this.cacheKey,"_filtered")),0===t.length)return this._element=this._originalElement,this._filteredEl=void 0,this._filterScalingX=1,void(this._filterScalingY=1);let e=this._originalElement,i=e.naturalWidth||e.width,r=e.naturalHeight||e.height;if(this._element===this._originalElement){let t=tv({width:i,height:r});this._element=t,this._filteredEl=t}else this._filteredEl&&(this._element=this._filteredEl,this._filteredEl.getContext("2d").clearRect(0,0,i,r),this._lastScaleX=1,this._lastScaleY=1);nS().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)}_render(t){t.imageSmoothingEnabled=this.imageSmoothing,!0!==this.isMoving&&this.resizeFilter&&this._needsResize()&&this.applyResizeFilters(),this._stroke(t),this._renderPaintInOrder(t)}drawCacheOnCanvas(t){t.imageSmoothingEnabled=this.imageSmoothing,super.drawCacheOnCanvas(t)}shouldCache(){return this.needsItsOwnCache()}_renderFill(t){let e=this._element;if(!e)return;let i=this._filterScalingX,r=this._filterScalingY,s=this.width,n=this.height,o=Math.max(this.cropX,0),a=Math.max(this.cropY,0),l=e.naturalWi

1dth||e.width,h=e.naturalHeight||e.height,c=o*i,u=a*r,d=Math.min(s*i,l-c),g=Math.min(n*r,h-u),f=Math.min(s,l/i-o),p=Math.min(n,h/r-a);e&&t.drawImage(e,c,u,d,g,-s/2,-n/2,f,p)}_needsResize(){let t=this.getTotalObjectScaling();return t.x!==this._lastScaleX||t.y!==this._lastScaleY}_resetWidthHeight(){this.set(this.getOriginalSize())}_setWidthHeight(){let{width:t,height:e}=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},i=this.getOriginalSize();this.width=t||i.width,this.height=e||i.height}parsePreserveAspectRatioAttribute(){let t=eO(this.preserveAspectRatio||""),e=this.width,i=this.height,r={width:e,height:i},s,n=this._element.width,o=this._element.height,a=1,l=1,h=0,c=0,u=0,d=0;return t&&(t.alignX!==L||t.alignY!==L)?("meet"===t.meetOrSlice&&(s=(e-n*(a=l=r2(this._element,r)))/2,"Min"===t.alignX&&(h=-s),"Max"===t.alignX&&(h=s),s=(i-o*l)/2,"Min"===t.alignY&&(c=-s),"Max"===t.alignY&&(c=s)),"slice"===t.meetOrSlice&&(s=n-e/(a=l=r5(this._element,r)),"Mid"===t.alignX&&(u=s/2),"Max"===t.alignX&&(u=s),s=o-i/l,"Mid"===t.alignY&&(d=s/2),"Max"===t.alignY&&(d=s),n=e/a,o=i/l)):(a=e/n,l=i/o),{width:n,height:o,scaleX:a,scaleY:l,offsetLeft:h,offsetTop:c,cropX:u,cropY:d}}static fromObject(t,e){let{filters:i,resizeFilter:r,src:s,crossOrigin:n,type:o}=t,a=c(t,nw);return Promise.all([tR(s,h(h({},e),{},{crossOrigin:n})),i&&tB(i,e),r&&tB([r],e),tX(a,e)]).then(t=>{let[e,i=[],[r]=[],n={}]=t;return new this(e,h(h({},a),{},{src:s,filters:i,resizeFilter:r},n))})}static fromURL(t){let{crossOrigin:e=null,signal:i}=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},r=arguments.length>2?arguments[2]:void 0;return tR(t,{crossOrigin:e,signal:i}).then(t=>new this(t,r))}static async fromElement(t){let e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},i=arguments.length>2?arguments[2]:void 0,r=rB(t,this.ATTRIBUTE_NAMES,i);return this.fromURL(r["xlink:href"]||r.href,e,r).catch(t=>(f("log","Unable to parse Image",t),null))}}a(nO,"type","Image"),a(nO,"cacheProperties",[...it,...nT]),a(nO,"ownDefaults",{strokeWidth:0,srcFromAttribute:!1,minimumScaleTrigger:.5,cropX:0,cropY:0,imageSmoothing:!0}),a(nO,"CSS_CANVAS","canvas-img"),a(nO,"ATTRIBUTE_NAMES",[...rC,"x","y","width","height","preserveAspectRatio","xlink:href","href","crossOrigin","image-rendering"]),tt.setClass(nO),tt.setSVGClass(nO),eM(["pattern","defs","symbol","metadata","clipPath","mask","desc"]);let nD=t=>function(e,i,r){let{points:s,pathOffset:n}=r;return new to(s[t]).subtract(n).transform(tT(r.getViewportTransform(),r.calcTransformMatrix()))},nk=(t,e,i,r)=>{let{target:s,pointIndex:n}=e,o=en(new to(i,r),void 0,s.calcOwnMatrix());return s.points[n]=o.add(s.pathOffset),s.setDimensions(),s.set("dirty",!0),!0},nM=(t,e)=>function(i,r,s,n){let o=r.target,a=new to(o.points[(t>0?t:o.points.length)-1]),l=a.subtract(o.pathOffset).transform(o.calcOwnMatrix()),c=e(i,h(h({},r),{},{pointIndex:t}),s,n),u=a.subtract(o.pathOffset).transform(o.calcOwnMatrix()).subtract(l);return o.left-=u.x,o.top-=u.y,c},nE=t=>iI(H,nM(t,nk)),nP=(t,e,i)=>{let{path:r,pathOffset:s}=t,n=r[e];return new to(n[i]-s.x,n[i+1]-s.y).transform(tT(t.getViewportTransform(),t.calcTransformMatrix()))};function nA(t,e,i){let{commandIndex:r,pointIndex:s}=this;return nP(i,r,s)}function nj(t,e,i,r){let{target:s}=e,{commandIndex:n,pointIndex:o}=this,a=((t,e,i,r,s)=>{let{path:n,pathOffset:o}=t,a=n[(r>0?r:n.length)-1],l=new to(a[s],a[s+1]),h=l.subtract(o).transform(t.calcOwnMatrix()),c=en(new to(e,i),void 0,t.calcOwnMatrix());n[r][s]=c.x+o.x,n[r][s+1]=c.y+o.y,t.setDimensions();let u=l.subtract(t.pathOffset).transform(t.calcOwnMatrix()).subtract(h);return t.left-=u.x,t.top-=u.y,t.set("dirty",!0),!0})(s,i,r,n,o);return el(this.actionName,h(h({},ef(t,e,i,r)),{},{commandIndex:n,pointIndex:o})),a}class nF extends iW{constructor(t){super(t)}render(t,e,i,r,s){let n=h(h({},r),{},{cornerColor:this.controlFill,cornerStrokeColor:this.controlStroke,transparentCorners:!this.controlFill});super.render(t,e,i,n,s)}}class nL extends nF{constructor(t){super(t)}render(t,e,i,r,s){let{path:n}=s,{commandIndex:o,pointIndex:a,connectToCommandIndex:l,connectToPointIndex:h}=this;t.save(),t.strokeStyle=this.controlStroke,this.connectionDashArray&&t.setLineDash(this.connectionDashArray);let[c]=n[o],u=nP(s,l,h);if("Q"===c){let r=nP(s,o,a+2);t.moveTo(r.x,r.y),t.lineTo(e,i)}else t.moveTo(e,i);

1t.lineTo(u.x,u.y),t.stroke(),t.restore(),super.render(t,e,i,r,s)}}let nI=(t,e,i,r,s,n)=>new(i?nL:nF)(h(h({commandIndex:t,pointIndex:e,actionName:"modifyPath",positionHandler:nA,actionHandler:nj,connectToCommandIndex:s,connectToPointIndex:n},r),i?r.controlPointStyle:r.pointStyle));Object.freeze({__proto__:null,changeWidth:iB,createObjectDefaultControls:rt,createPathControls:function(t){let e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},i={},r="M";return t.path.forEach((t,s)=>{let n=t[0];switch("Z"!==n&&(i["c_".concat(s,"_").concat(n)]=nI(s,t.length-2,!1,e)),n){case"C":let o;i["c_".concat(s,"_C_CP_1")]=nI(s,1,!0,e,s-1,"C"===(o=r)?5:"Q"===o?3:1),i["c_".concat(s,"_C_CP_2")]=nI(s,3,!0,e,s,5);break;case"Q":i["c_".concat(s,"_Q_CP_1")]=nI(s,1,!0,e,s,3)}r=n}),i},createPolyActionHandler:nE,createPolyControls:function(t){let e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},i={};for(let r=0;r<("number"==typeof t?t:t.points.length);r++)i["p".concat(r)]=new iW(h({actionName:H,positionHandler:nD(r),actionHandler:nE(r)},e));return i},createPolyPositionHandler:nD,createResizeControls:re,createTextboxDefaultControls:ri,dragHandler:ev,factoryPolyActionHandler:nM,getLocalPoint:em,polyActionHandler:nk,renderCircleControl:iX,renderSquareControl:iY,rotationStyleHandler:iV,rotationWithSnapping:iH,scaleCursorStyleHandler:iU,scaleOrSkewActionName:i6,scaleSkewCursorStyleHandler:i8,scalingEqually:iK,scalingX:iJ,scalingXOrSkewingY:i7,scalingY:iQ,scalingYOrSkewingX:i9,skewCursorStyleHandler:i1,skewHandlerX:i5,skewHandlerY:i3,wrapWithFireEvent:iI,wrapWithFixedAnchor:iR});let nR="precision highp float",nB="\n    ".concat(nR,";\n    varying vec2 vTexCoord;\n    uniform sampler2D uTexture;\n    void main() {\n      gl_FragColor = texture2D(uTexture, vTexCoord);\n    }"),nX=["type"],nY=["type"],nW=RegExp(nR,"g");class nV{get type(){return this.constructor.type}constructor(){let t=c(arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},nX);Object.assign(this,this.constructor.defaults,t)}getFragmentSource(){return nB}getVertexSource(){return"\n    attribute vec2 aPosition;\n    varying vec2 vTexCoord;\n    void main() {\n      vTexCoord = aPosition;\n      gl_Position = vec4(aPosition * 2.0 - 1.0, 0.0, 1.0);\n    }"}createProgram(t){let e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:this.getFragmentSource(),i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:this.getVertexSource(),{WebGLProbe:{GLPrecision:r="highp"}}=x();"highp"!==r&&(e=e.replace(nW,nR.replace("highp",r)));let s=t.createShader(t.VERTEX_SHADER),n=t.createShader(t.FRAGMENT_SHADER),o=t.createProgram();if(!s||!n||!o)throw new p("Vertex, fragment shader or program creation error");if(t.shaderSource(s,i),t.compileShader(s),!t.getShaderParameter(s,t.COMPILE_STATUS))throw new p("Vertex shader compile error for ".concat(this.type,": ").concat(t.getShaderInfoLog(s)));if(t.shaderSource(n,e),t.compileShader(n),!t.getShaderParameter(n,t.COMPILE_STATUS))throw new p("Fragment shader compile error for ".concat(this.type,": ").concat(t.getShaderInfoLog(n)));if(t.attachShader(o,s),t.attachShader(o,n),t.linkProgram(o),!t.getProgramParameter(o,t.LINK_STATUS))throw new p('Shader link error for "'.concat(this.type,'" ').concat(t.getProgramInfoLog(o)));let a=this.getUniformLocations(t,o)||{};return a.uStepW=t.getUniformLocation(o,"uStepW"),a.uStepH=t.getUniformLocation(o,"uStepH"),{program:o,attributeLocations:this.getAttributeLocations(t,o),uniformLocations:a}}getAttributeLocations(t,e){return{aPosition:t.getAttribLocation(e,"aPosition")}}getUniformLocations(t,e){let i=this.constructor.uniformLocations,r={};for(let s=0;s<i.length;s++)r[i[s]]=t.getUniformLocation(e,i[s]);return r}sendAttributeData(t,e,i){let r=e.aPosition,s=t.createBuffer();t.bindBuffer(t.ARRAY_BUFFER,s),t.enableVertexAttribArray(r),t.vertexAttribPointer(r,2,t.FLOAT,!1,0,0),t.bufferData(t.ARRAY_BUFFER,i,t.STATIC_DRAW)}_setupFrameBuffer(t){let e=t.context;if(t.passes>1){let i=t.destinationWidth,r=t.destinationHeight;t.sourceWidth===i&&t.sourceHeight===r||(e.deleteTexture(t.targetTexture),t.targetTexture=t.filterBackend.createTexture(e,i,r)),e.framebufferTexture2D(e.FRAMEBUFFER,e.COLOR_ATTACHMENT0,e.TEXTURE_2D,t.targetTexture,0)}else e.bindFramebuffer(e.FRAMEBUFFER,null),e.finish()}_swapTextures(t){t.passes--,t.pass++;let e=t.targetTexture;t.targetTexture=t.sourceTexture,t.sourceTexture=e}isNeutralState(t){return!1}applyTo(t){void 0!==t.webgl?(this._setupFrameBuffer(t),this.applyToWebGL(t),this._swapTextures(t)):this.applyTo2d(t)}applyTo2d(t){}getCacheKey(){return this.type}retrieveShader(t){let e=this.getCacheKey();return t.programCache[e]||(t.programCache[e]=this.createProgram(t.context)),t.programCache[e]}

1applyToWebGL(t){let 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(t,e,i){t.activeTexture(i),t.bindTexture(t.TEXTURE_2D,e),t.activeTexture(t.TEXTURE0)}unbindAdditionalTexture(t,e){t.activeTexture(e),t.bindTexture(t.TEXTURE_2D,null),t.activeTexture(t.TEXTURE0)}sendUniformData(t,e){}createHelpLayer(t){if(!t.helpLayer){let{sourceWidth:e,sourceHeight:i}=t;t.helpLayer=tv({width:e,height:i})}}toObject(){let t=Object.keys(this.constructor.defaults||{});return h({type:this.type},t.reduce((t,e)=>(t[e]=this[e],t),{}))}toJSON(){return this.toObject()}static async fromObject(t,e){return new this(c(t,nY))}}a(nV,"type","BaseFilter"),a(nV,"uniformLocations",[]);let nH={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",difference:"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:"\n    if (uColor.r < 0.5) {\n      gl_FragColor.r *= 2.0 * uColor.r;\n    } else {\n      gl_FragColor.r = 1.0 - 2.0 * (1.0 - gl_FragColor.r) * (1.0 - uColor.r);\n    }\n    if (uColor.g < 0.5) {\n      gl_FragColor.g *= 2.0 * uColor.g;\n    } else {\n      gl_FragColor.g = 1.0 - 2.0 * (1.0 - gl_FragColor.g) * (1.0 - uColor.g);\n    }\n    if (uColor.b < 0.5) {\n      gl_FragColor.b *= 2.0 * uColor.b;\n    } else {\n      gl_FragColor.b = 1.0 - 2.0 * (1.0 - gl_FragColor.b) * (1.0 - uColor.b);\n    }\n    ",tint:"\n    gl_FragColor.rgb *= (1.0 - uColor.a);\n    gl_FragColor.rgb += uColor.rgb;\n    "};class nz extends nV{getCacheKey(){return"".concat(this.type,"_").concat(this.mode)}getFragmentSource(){return"\n      precision highp float;\n      uniform sampler2D uTexture;\n      uniform vec4 uColor;\n      varying vec2 vTexCoord;\n      void main() {\n        vec4 color = texture2D(uTexture, vTexCoord);\n        gl_FragColor = color;\n        if (color.a > 0.0) {\n          ".concat(nH[this.mode],"\n        }\n      }\n      ")}applyTo2d(t){let{imageData:{data:e}}=t,i=new ew(this.color).getSource(),r=this.alpha,s=i[0]*r,n=i[1]*r,o=i[2]*r,a=1-r;for(let t=0;t<e.length;t+=4){let i,r,l,h=e[t],c=e[t+1],u=e[t+2];switch(this.mode){case"multiply":i=h*s/255,r=c*n/255,l=u*o/255;break;case"screen":i=255-(255-h)*(255-s)/255,r=255-(255-c)*(255-n)/255,l=255-(255-u)*(255-o)/255;break;case"add":i=h+s,r=c+n,l=u+o;break;case"difference":i=Math.abs(h-s),r=Math.abs(c-n),l=Math.abs(u-o);break;case"subtract":i=h-s,r=c-n,l=u-o;break;case"darken":i=Math.min(h,s),r=Math.min(c,n),l=Math.min(u,o);break;case"lighten":i=Math.max(h,s),r=Math.max(c,n),l=Math.max(u,o);break;case"overlay":i=s<128?2*h*s/255:255-2*(255-h)*(255-s)/255,r=n<128?2*c*n/255:255-2*(255-c)*(255-n)/255,l=o<128?2*u*o/255:255-2*(255-u)*(255-o)/255;break;case"exclusion":i=s+h-2*s*h/255,r=n+c-2*n*c/255,l=o+u-2*o*u/255;break;case"tint":i=s+h*a,r=n+c*a,l=o+u*a}e[t]=i,e[t+1]=r,e[t+2]=l}}sendUniformData(t,e){let i=new ew(this.color).getSource();i[0]=this.alpha*i[0]/255,i[1]=this.alpha*i[1]/255,i[2]=this.alpha*i[2]/255,i[3]=this.alpha,t.uniform4fv(e.uColor,i)}}a(nz,"defaults",{color:"#F95C63",mode:"multiply",alpha:1}),a(nz,"type","BlendColor"),a(nz,"uniformLocations",["uColor"]),tt.setClass(nz);let nG={multiply:"\n    precision highp float;\n    uniform sampler2D uTexture;\n    uniform sampler2D uImage;\n    uniform vec4 uColor;\n    varying vec2 vTexCoord;\n    varying vec2 vTexCoord2;\n    void main() {\n      vec4 color = texture2D(uTexture, vTexCoord);\n      vec4 color2 = texture2D(uImage, vTexCoord2);\n      color.rgba *= color2.rgba;\n      gl_FragColor = color;\n    }\n    ",mask:"\n    precision highp float;\n    uniform sampler2D uTexture;\n    uniform sampler2D uImage;\n    uniform vec4 uColor;\n    varying vec2 vTexCoord;\n    varying vec2 vTexCoord2;\n    void main() {\n      vec4 color = texture2D(uTexture, vTexCoord);\n      vec4 color2 = texture2D(uImage, vTexCoord2);\n      color.a = color2.a;\n      gl_FragColor = color;\n    }\n    "},nN=["type","image"];

1class nU extends nV{getCacheKey(){return"".concat(this.type,"_").concat(this.mode)}getFragmentSource(){return nG[this.mode]}getVertexSource(){return"\n    attribute vec2 aPosition;\n    varying vec2 vTexCoord;\n    varying vec2 vTexCoord2;\n    uniform mat3 uTransformMatrix;\n    void main() {\n      vTexCoord = aPosition;\n      vTexCoord2 = (uTransformMatrix * vec3(aPosition, 1.0)).xy;\n      gl_Position = vec4(aPosition * 2.0 - 1.0, 0.0, 1.0);\n    }\n    "}applyToWebGL(t){let e=t.context,i=this.createTexture(t.filterBackend,this.image);this.bindAdditionalTexture(e,i,e.TEXTURE1),super.applyToWebGL(t),this.unbindAdditionalTexture(e,e.TEXTURE1)}createTexture(t,e){return t.getCachedTexture(e.cacheKey,e.getElement())}calculateMatrix(){let t=this.image,{width:e,height:i}=t.getElement();return[1/t.scaleX,0,0,0,1/t.scaleY,0,-t.left/e,-t.top/i,1]}applyTo2d(t){let{imageData:{data:e,width:i,height:r},filterBackend:{resources:s}}=t,n=this.image;s.blendImage||(s.blendImage=tp());let o=s.blendImage,a=o.getContext("2d");o.width!==i||o.height!==r?(o.width=i,o.height=r):a.clearRect(0,0,i,r),a.setTransform(n.scaleX,0,0,n.scaleY,n.left,n.top),a.drawImage(n.getElement(),0,0,i,r);let l=a.getImageData(0,0,i,r).data;for(let t=0;t<e.length;t+=4){let i=e[t],r=e[t+1],s=e[t+2],n=e[t+3],o=l[t],a=l[t+1],h=l[t+2],c=l[t+3];switch(this.mode){case"multiply":e[t]=i*o/255,e[t+1]=r*a/255,e[t+2]=s*h/255,e[t+3]=n*c/255;break;case"mask":e[t+3]=c}}}sendUniformData(t,e){let i=this.calculateMatrix();t.uniform1i(e.uImage,1),t.uniformMatrix3fv(e.uTransformMatrix,!1,i)}toObject(){return h(h({},super.toObject()),{},{image:this.image&&this.image.toObject()})}static async fromObject(t,e){let{type:i,image:r}=t,s=c(t,nN);return nO.fromObject(r,e).then(t=>new this(h(h({},s),{},{image:t})))}}a(nU,"type","BlendImage"),a(nU,"defaults",{mode:"multiply",alpha:1}),a(nU,"uniformLocations",["uTransformMatrix","uImage"]),tt.setClass(nU);class nq extends nV{getFragmentSource(){return"\n    precision highp float;\n    uniform sampler2D uTexture;\n    uniform vec2 uDelta;\n    varying vec2 vTexCoord;\n    const float nSamples = 15.0;\n    vec3 v3offset = vec3(12.9898, 78.233, 151.7182);\n    float random(vec3 scale) {\n      /* use the fragment position for a different seed per-pixel */\n      return fract(sin(dot(gl_FragCoord.xyz, scale)) * 43758.5453);\n    }\n    void main() {\n      vec4 color = vec4(0.0);\n      float totalC = 0.0;\n      float totalA = 0.0;\n      float offset = random(v3offset);\n      for (float t = -nSamples; t <= nSamples; t++) {\n        float percent = (t + offset - 0.5) / nSamples;\n        vec4 sample = texture2D(uTexture, vTexCoord + uDelta * percent);\n        float weight = 1.0 - abs(percent);\n        float alpha = weight * sample.a;\n        color.rgb += sample.rgb * alpha;\n        color.a += alpha;\n        totalA += weight;\n        totalC += alpha;\n      }\n      gl_FragColor.rgb = color.rgb / totalC;\n      gl_FragColor.a = color.a / totalA;\n    }\n  "}

1applyTo(t){void 0!==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(t){let{imageData:{data:e,width:i,height:r}}=t;this.aspectRatio=i/r,this.horizontal=!0;let s=this.getBlurValue()*i,n=new Uint8ClampedArray(e),o=4*i;for(let t=0;t<e.length;t+=4){let i=0,r=0,a=0,l=0,h=0,c=t-t%o,u=c+o;for(let n=-14;n<15;n++){let o=n/15,d=4*Math.floor(s*o),g=1-Math.abs(o),f=t+d;f<c?f=c:f>u&&(f=u);let p=e[f+3]*g;i+=e[f]*p,r+=e[f+1]*p,a+=e[f+2]*p,l+=p,h+=g}n[t]=i/l,n[t+1]=r/l,n[t+2]=a/l,n[t+3]=l/h}this.horizontal=!1,s=this.getBlurValue()*r;for(let t=0;t<n.length;t+=4){let i=0,r=0,a=0,l=0,h=0,c=t%o,u=n.length-o+c;for(let e=-14;e<15;e++){let d=e/15,g=Math.floor(s*d)*o,f=1-Math.abs(d),p=t+g;p<c?p=c:p>u&&(p=u);let m=n[p+3]*f;i+=n[p]*m,r+=n[p+1]*m,a+=n[p+2]*m,l+=m,h+=f}e[t]=i/l,e[t+1]=r/l,e[t+2]=a/l,e[t+3]=l/h}}sendUniformData(t,e){let i=this.chooseRightDelta();t.uniform2fv(e.uDelta,i)}isNeutralState(){return 0===this.blur}getBlurValue(){let t=1,{horizontal:e,aspectRatio:i}=this;return e?i>1&&(t=1/i):i<1&&(t=i),t*this.blur*.12}chooseRightDelta(){let t=this.getBlurValue();return this.horizontal?[t,0]:[0,t]}}a(nq,"type","Blur"),a(nq,"defaults",{blur:0}),a(nq,"uniformLocations",["uDelta"]),tt.setClass(nq);class nK extends nV{getFragmentSource(){return"\n  precision highp float;\n  uniform sampler2D uTexture;\n  uniform float uBrightness;\n  varying vec2 vTexCoord;\n  void main() {\n    vec4 color = texture2D(uTexture, vTexCoord);\n    color.rgb += uBrightness;\n    gl_FragColor = color;\n  }\n"}applyTo2d(t){let{imageData:{data:e}}=t,i=Math.round(255*this.brightness);for(let t=0;t<e.length;t+=4)e[t]+=i,e[t+1]+=i,e[t+2]+=i}isNeutralState(){return 0===this.brightness}sendUniformData(t,e){t.uniform1f(e.uBrightness,this.brightness)}}a(nK,"type","Brightness"),a(nK,"defaults",{brightness:0}),a(nK,"uniformLocations",["uBrightness"]),tt.setClass(nK);let nJ={matrix:[1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0],colorsOnly:!0};class nQ extends nV{getFragmentSource(){return"\n  precision highp float;\n  uniform sampler2D uTexture;\n  varying vec2 vTexCoord;\n  uniform mat4 uColorMatrix;\n  uniform vec4 uConstants;\n  void main() {\n    vec4 color = texture2D(uTexture, vTexCoord);\n    color *= uColorMatrix;\n    color += uConstants;\n    gl_FragColor = color;\n  }"}applyTo2d(t){let e=t.imageData.data,i=this.matrix,r=this.colorsOnly;for(let t=0;t<e.length;t+=4){let s=e[t],n=e[t+1],o=e[t+2];if(e[t]=s*i[0]+n*i[1]+o*i[2]+255*i[4],e[t+1]=s*i[5]+n*i[6]+o*i[7]+255*i[9],e[t+2]=s*i[10]+n*i[11]+o*i[12]+255*i[14],!r){let r=e[t+3];e[t]+=r*i[3],e[t+1]+=r*i[8],e[t+2]+=r*i[13],e[t+3]=s*i[15]+n*i[16]+o*i[17]+r*i[18]+255*i[19]}}}sendUniformData(t,e){let 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]],s=[i[4],i[9],i[14],i[19]];t.uniformMatrix4fv(e.uColorMatrix,!1,r),t.uniform4fv(e.uConstants,s)}toObject(){return h(h({},super.toObject()),{},{matrix:[...this.matrix]})}}function nZ(t,e){var i;let r=(a(i=class extends nQ{toObject(){return{type:this.type,colorsOnly:this.colorsOnly}}},"type",t),a(i,"defaults",{colorsOnly:!1,matrix:e}),i);return tt.setClass(r,t),r}a(nQ,"type","ColorMatrix"),a(nQ,"defaults",nJ),a(nQ,"uniformLocations",["uColorMatrix","uConstants"]),tt.setClass(nQ);let n$=nZ("Brownie",[.5997,.34553,-.27082,0,.186,-.0377,.86095,.15059,0,-.1449,.24113,-.07441,.44972,0,-.02965,0,0,0,1,0]),n0=nZ("Vintage",[.62793,.32021,-.03965,0,.03784,.02578,.64411,.03259,0,.02926,.0466,-.08512,.52416,0,.02023,0,0,0,1,0]),n1=nZ("Kodachrome",[1.12855,-.39673,-.03992,0,.24991,-.16404,1.08352,-.05498,0,.09698,-.16786,-.56034,1.60148,0,.13972,0,0,0,1,0]),n2=nZ("Technicolor",[1.91252,-.85453,-.09155,0,.04624,-.30878,1.76589,-.10601,0,-.27589,-.2311,-.75018,1.84759,0,.12137,0,0,0,1,0]),n5=nZ("Polaroid",[1.438,-.062,-.062,0,0,-.122,1.378,-.122,0,0,-.016,-.016,1.483,0,0,0,0,0,1,0]),n3=nZ("Sepia",[.393,.769,.189,0,0,.349,.686,.168,0,0,.272,.534,.131,0,0,0,0,0,1,0]),n4=nZ("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]);

1class n6 extends nV{constructor(){let t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};super(t),this.subFilters=t.subFilters||[]}applyTo(t){void 0!==t.webgl&&(t.passes+=this.subFilters.length-1),this.subFilters.forEach(e=>{e.applyTo(t)})}toObject(){return{type:this.type,subFilters:this.subFilters.map(t=>t.toObject())}}isNeutralState(){return!this.subFilters.some(t=>!t.isNeutralState())}static fromObject(t,e){return Promise.all((t.subFilters||[]).map(t=>tt.getClass(t.type).fromObject(t,e))).then(t=>new this({subFilters:t}))}}a(n6,"type","Composed"),tt.setClass(n6);class n8 extends nV{getFragmentSource(){return"\n  precision highp float;\n  uniform sampler2D uTexture;\n  uniform float uContrast;\n  varying vec2 vTexCoord;\n  void main() {\n    vec4 color = texture2D(uTexture, vTexCoord);\n    float contrastF = 1.015 * (uContrast + 1.0) / (1.0 * (1.015 - uContrast));\n    color.rgb = contrastF * (color.rgb - 0.5) + 0.5;\n    gl_FragColor = color;\n  }"}isNeutralState(){return 0===this.contrast}applyTo2d(t){let{imageData:{data:e}}=t,i=Math.floor(255*this.contrast),r=259*(i+255)/(255*(259-i));for(let t=0;t<e.length;t+=4)e[t]=r*(e[t]-128)+128,e[t+1]=r*(e[t+1]-128)+128,e[t+2]=r*(e[t+2]-128)+128}sendUniformData(t,e){t.uniform1f(e.uContrast,this.contrast)}}a(n8,"type","Contrast"),a(n8,"defaults",{contrast:0}),a(n8,"uniformLocations",["uContrast"]),tt.setClass(n8);let n7={Convolute_3_1:"\n    precision highp float;\n    uniform sampler2D uTexture;\n    uniform float uMatrix[9];\n    uniform float uStepW;\n    uniform float uStepH;\n    varying vec2 vTexCoord;\n    void main() {\n      vec4 color = vec4(0, 0, 0, 0);\n      for (float h = 0.0; h < 3.0; h+=1.0) {\n        for (float w = 0.0; w < 3.0; w+=1.0) {\n          vec2 matrixPos = vec2(uStepW * (w - 1), uStepH * (h - 1));\n          color += texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 3.0 + w)];\n        }\n      }\n      gl_FragColor = color;\n    }\n    ",Convolute_3_0:"\n    precision highp float;\n    uniform sampler2D uTexture;\n    uniform float uMatrix[9];\n    uniform float uStepW;\n    uniform float uStepH;\n    varying vec2 vTexCoord;\n    void main() {\n      vec4 color = vec4(0, 0, 0, 1);\n      for (float h = 0.0; h < 3.0; h+=1.0) {\n        for (float w = 0.0; w < 3.0; w+=1.0) {\n          vec2 matrixPos = vec2(uStepW * (w - 1.0), uStepH * (h - 1.0));\n          color.rgb += texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 3.0 + w)];\n        }\n      }\n      float alpha = texture2D(uTexture, vTexCoord).a;\n      gl_FragColor = color;\n      gl_FragColor.a = alpha;\n    }\n    ",Convolute_5_1:"\n    precision highp float;\n    uniform sampler2D uTexture;\n    uniform float uMatrix[25];\n    uniform float uStepW;\n    uniform float uStepH;\n    varying vec2 vTexCoord;\n    void main() {\n      vec4 color = vec4(0, 0, 0, 0);\n      for (float h = 0.0; h < 5.0; h+=1.0) {\n        for (float w = 0.0; w < 5.0; w+=1.0) {\n          vec2 matrixPos = vec2(uStepW * (w - 2.0), uStepH * (h - 2.0));\n          color += texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 5.0 + w)];\n        }\n      }\n      gl_FragColor = color;\n    }\n    ",Convolute_5_0:"\n    precision highp float;\n    uniform sampler2D uTexture;\n    uniform float uMatrix[25];\n    uniform float uStepW;\n    uniform float uStepH;\n    varying vec2 vTexCoord;\n    void main() {\n      vec4 color = vec4(0, 0, 0, 1);\n      for (float h = 0.0; h < 5.0; h+=1.0) {\n        for (float w = 0.0; w < 5.0; w+=1.0) {\n          vec2 matrixPos = vec2(uStepW * (w - 2.0), uStepH * (h - 2.0));\n          color.rgb += texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 5.0 + w)];\n        }\n      }\n      float alpha = texture2D(uTexture, vTexCoord).a;\n      gl_FragColor = color;\n      gl_FragColor.a = alpha;\n    }\n    ",Convolute_7_1:"\n    precision highp float;\n    uniform sampler2D uTexture;\n    uniform float uMatrix[49];\n    uniform float uStepW;\n    uniform float uStepH;\n    varying vec2 vTexCoord;\n    void main() {\n      vec4 color = vec4(0, 0, 0, 0);\n      for (float h = 0.0; h < 7.0; h+=1.0) {\n        for (float w = 0.0; w < 7.0; w+=1.0) {\n          vec2 matrixPos = vec2(uStepW * (w - 3.0), uStepH * (h - 3.0));\n          color += texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 7.0 + w)];\n        }\n      }\n      gl_FragColor = color;\n    }\n    ",Convolute_7_0:"\n    precision highp float;\n    uniform sampler2D uTexture;\n    uniform float uMatrix[49];\n    uniform float uStepW;\n    uniform float uStepH;\n    varying vec2 vTexCoord;\n    void main() {\n      vec4 color = vec4(0, 0, 0, 1);\n      for (float h = 0.0; h < 7.0; h+=1.0) {\n        for (float w = 0.0; w < 7.0; w+=1.0) {\n          vec2 matrixPos = vec2(uStepW * (w - 3.0), uStepH * (h - 3.0));\n          color.rgb += texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 7.0 + w)];\n        }\n      }\n      float alpha = texture2D(uTexture, vTexCoord).a;\n      gl_FragColor = color;\n      gl_FragColor.a = alpha;\n    }\n    ",Convolute_9_1:"\n    precision highp float;\n    uniform sampler2D uTexture;\n    uniform float uMatrix[81];\n    uniform float uStepW;\n    uniform float uStepH;\n    varying vec2 vTexCoord;\n    void main() {\n      vec4 color = vec4(0, 0, 0, 0);\n      for (float h = 0.0; h < 9.0; h+=1.0) {\n        for (float w = 0.0; w < 9.0; w+=1.0) {\n          vec2 matrixPos = vec2(uStepW * (w - 4.0), uStepH * (h - 4.0));\n          color += texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 9.0 + w)];\n        }\n      }\n      gl_FragColor = color;\n    }\n    ",Convolute_9_0:"\n    precision highp float;\n    uniform sampler2D uTexture;\n    uniform float uMatrix[81];\n    uniform float uStepW;\n    uniform float uStepH;\n    varying vec2 vTexCoord;\n    void main() {\n      vec4 color = vec4(0, 0, 0, 1);\n      for (float h = 0.0; h < 9.0; h+=1.0) {\n        for (float w = 0.0; w < 9.0; w+=1.0) {\n          vec2 matrixPos = vec2(uStepW * (w - 4.0), uStepH * (h - 4.0));\n          color.rgb += texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 9.0 + w)];\n        }\n      }\n      float alpha = texture2D(uTexture, vTexCoord).a;\n      gl_FragColor = color;\n      gl_FragColor.a = alpha;\n    }\n    "};

1class n9 extends nV{getCacheKey(){return"".concat(this.type,"_").concat(Math.sqrt(this.matrix.length),"_").concat(+!!this.opaque)}getFragmentSource(){return n7[this.getCacheKey()]}applyTo2d(t){let e,i,r,s,n,o,a,l,h,c,u,d,g,f=t.imageData,p=f.data,m=this.matrix,v=Math.round(Math.sqrt(m.length)),y=Math.floor(v/2),_=f.width,x=f.height,C=t.ctx.createImageData(_,x),b=C.data,S=+!!this.opaque;for(u=0;u<x;u++)for(c=0;c<_;c++){for(n=4*(u*_+c),e=0,i=0,r=0,s=0,g=0;g<v;g++)for(d=0;d<v;d++)a=u+g-y,o=c+d-y,a<0||a>=x||o<0||o>=_||(l=4*(a*_+o),h=m[g*v+d],e+=p[l]*h,i+=p[l+1]*h,r+=p[l+2]*h,S||(s+=p[l+3]*h));b[n]=e,b[n+1]=i,b[n+2]=r,b[n+3]=S?p[n+3]:s}t.imageData=C}sendUniformData(t,e){t.uniform1fv(e.uMatrix,this.matrix)}toObject(){return h(h({},super.toObject()),{},{opaque:this.opaque,matrix:[...this.matrix]})}}a(n9,"type","Convolute"),a(n9,"defaults",{opaque:!1,matrix:[0,0,0,0,1,0,0,0,0]}),a(n9,"uniformLocations",["uMatrix","uOpaque","uHalfSize","uSize"]),tt.setClass(n9);let ot="Gamma";class oe extends nV{getFragmentSource(){return"\n  precision highp float;\n  uniform sampler2D uTexture;\n  uniform vec3 uGamma;\n  varying vec2 vTexCoord;\n  void main() {\n    vec4 color = texture2D(uTexture, vTexCoord);\n    vec3 correction = (1.0 / uGamma);\n    color.r = pow(color.r, correction.r);\n    color.g = pow(color.g, correction.g);\n    color.b = pow(color.b, correction.b);\n    gl_FragColor = color;\n    gl_FragColor.rgb *= color.a;\n  }\n"}constructor(){let t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};super(t),this.gamma=t.gamma||this.constructor.defaults.gamma.concat()}applyTo2d(t){let{imageData:{data:e}}=t,i=this.gamma,r=1/i[0],s=1/i[1],n=1/i[2];this.rgbValues||(this.rgbValues={r:new Uint8Array(256),g:new Uint8Array(256),b:new Uint8Array(256)});let o=this.rgbValues;for(let t=0;t<256;t++)o.r[t]=255*Math.pow(t/255,r),o.g[t]=255*Math.pow(t/255,s),o.b[t]=255*Math.pow(t/255,n);for(let t=0;t<e.length;t+=4)e[t]=o.r[e[t]],e[t+1]=o.g[e[t+1]],e[t+2]=o.b[e[t+2]]}sendUniformData(t,e){t.uniform3fv(e.uGamma,this.gamma)}isNeutralState(){let{gamma:t}=this;return 1===t[0]&&1===t[1]&&1===t[2]}toObject(){return{type:ot,gamma:this.gamma.concat()}}}a(oe,"type",ot),a(oe,"defaults",{gamma:[1,1,1]}),a(oe,"uniformLocations",["uGamma"]),tt.setClass(oe);let oi={average:"\n    precision highp float;\n    uniform sampler2D uTexture;\n    varying vec2 vTexCoord;\n    void main() {\n      vec4 color = texture2D(uTexture, vTexCoord);\n      float average = (color.r + color.b + color.g) / 3.0;\n      gl_FragColor = vec4(average, average, average, color.a);\n    }\n    ",lightness:"\n    precision highp float;\n    uniform sampler2D uTexture;\n    uniform int uMode;\n    varying vec2 vTexCoord;\n    void main() {\n      vec4 col = texture2D(uTexture, vTexCoord);\n      float average = (max(max(col.r, col.g),col.b) + min(min(col.r, col.g),col.b)) / 2.0;\n      gl_FragColor = vec4(average, average, average, col.a);\n    }\n    ",luminosity:"\n    precision highp float;\n    uniform sampler2D uTexture;\n    uniform int uMode;\n    varying vec2 vTexCoord;\n    void main() {\n      vec4 col = texture2D(uTexture, vTexCoord);\n      float average = 0.21 * col.r + 0.72 * col.g + 0.07 * col.b;\n      gl_FragColor = vec4(average, average, average, col.a);\n    }\n    "};class or extends nV{applyTo2d(t){let{imageData:{data:e}}=t;for(let t,i=0;i<e.length;i+=4){let r=e[i],s=e[i+1],n=e[i+2];switch(this.mode){case"average":t=(r+s+n)/3;break;case"lightness":t=(Math.min(r,s,n)+Math.max(r,s,n))/2;break;case"luminosity":t=.21*r+.72*s+.07*n}e[i+2]=e[i+1]=e[i]=t}}getCacheKey(){return"".concat(this.type,"_").concat(this.mode)}getFragmentSource(){return oi[this.mode]}sendUniformData(t,e){t.uniform1i(e.uMode,1)}isNeutralState(){return!1}}a(or,"type","Grayscale"),a(or,"defaults",{mode:"average"}),a(or,"uniformLocations",["uMode"]),tt.setClass(or);let os=h(h({},nJ),{},{rotation:0});class on extends nQ{calculateMatrix(){let t=this.rotation*Math.PI,e=ts(t),i=tn(t),r=1/3,s=Math.sqrt(1/3)*i,n=1-e;this.matrix=[e+n/3,r*n-s,r*n+s,0,0,r*n+s,e+r*n,r*n-s,0,0,r*n-s,r*n+s,e+r*n,0,0,0,0,0,1,0]}isNeutralState(){return 0===this.rotation}applyTo(t){this.calculateMatrix(),super.applyTo(t)}

1toObject(){return{type:this.type,rotation:this.rotation}}}a(on,"type","HueRotation"),a(on,"defaults",os),tt.setClass(on);class oo extends nV{applyTo2d(t){let{imageData:{data:e}}=t;for(let t=0;t<e.length;t+=4)e[t]=255-e[t],e[t+1]=255-e[t+1],e[t+2]=255-e[t+2],this.alpha&&(e[t+3]=255-e[t+3])}getFragmentSource(){return"\n  precision highp float;\n  uniform sampler2D uTexture;\n  uniform int uInvert;\n  uniform int uAlpha;\n  varying vec2 vTexCoord;\n  void main() {\n    vec4 color = texture2D(uTexture, vTexCoord);\n    if (uInvert == 1) {\n      if (uAlpha == 1) {\n        gl_FragColor = vec4(1.0 - color.r,1.0 -color.g,1.0 -color.b,1.0 -color.a);\n      } else {\n        gl_FragColor = vec4(1.0 - color.r,1.0 -color.g,1.0 -color.b,color.a);\n      }\n    } else {\n      gl_FragColor = color;\n    }\n  }\n"}isNeutralState(){return!this.invert}sendUniformData(t,e){t.uniform1i(e.uInvert,Number(this.invert)),t.uniform1i(e.uAlpha,Number(this.alpha))}}a(oo,"type","Invert"),a(oo,"defaults",{alpha:!1,invert:!0}),a(oo,"uniformLocations",["uInvert","uAlpha"]),tt.setClass(oo);class oa extends nV{getFragmentSource(){return"\n  precision highp float;\n  uniform sampler2D uTexture;\n  uniform float uStepH;\n  uniform float uNoise;\n  uniform float uSeed;\n  varying vec2 vTexCoord;\n  float rand(vec2 co, float seed, float vScale) {\n    return fract(sin(dot(co.xy * vScale ,vec2(12.9898 , 78.233))) * 43758.5453 * (seed + 0.01) / 2.0);\n  }\n  void main() {\n    vec4 color = texture2D(uTexture, vTexCoord);\n    color.rgb += (0.5 - rand(vTexCoord, uSeed, 0.1 / uStepH)) * uNoise;\n    gl_FragColor = color;\n  }\n"}applyTo2d(t){let{imageData:{data:e}}=t,i=this.noise;for(let t=0;t<e.length;t+=4){let r=(.5-Math.random())*i;e[t]+=r,e[t+1]+=r,e[t+2]+=r}}sendUniformData(t,e){t.uniform1f(e.uNoise,this.noise/255),t.uniform1f(e.uSeed,Math.random())}isNeutralState(){return 0===this.noise}}a(oa,"type","Noise"),a(oa,"defaults",{noise:0}),a(oa,"uniformLocations",["uNoise","uSeed"]),tt.setClass(oa);class ol extends nV{applyTo2d(t){let{imageData:{data:e,width:i,height:r}}=t;for(let t=0;t<r;t+=this.blocksize)for(let s=0;s<i;s+=this.blocksize){let n=4*t*i+4*s,o=e[n],a=e[n+1],l=e[n+2],h=e[n+3];for(let n=t;n<Math.min(t+this.blocksize,r);n++)for(let t=s;t<Math.min(s+this.blocksize,i);t++){let r=4*n*i+4*t;e[r]=o,e[r+1]=a,e[r+2]=l,e[r+3]=h}}}isNeutralState(){return 1===this.blocksize}getFragmentSource(){return"\n  precision highp float;\n  uniform sampler2D uTexture;\n  uniform float uBlocksize;\n  uniform float uStepW;\n  uniform float uStepH;\n  varying vec2 vTexCoord;\n  void main() {\n    float blockW = uBlocksize * uStepW;\n    float blockH = uBlocksize * uStepH;\n    int posX = int(vTexCoord.x / blockW);\n    int posY = int(vTexCoord.y / blockH);\n    float fposX = float(posX);\n    float fposY = float(posY);\n    vec2 squareCoords = vec2(fposX * blockW, fposY * blockH);\n    vec4 color = texture2D(uTexture, squareCoords);\n    gl_FragColor = color;\n  }\n"}sendUniformData(t,e){t.uniform1f(e.uBlocksize,this.blocksize)}}a(ol,"type","Pixelate"),a(ol,"defaults",{blocksize:4}),a(ol,"uniformLocations",["uBlocksize"]),tt.setClass(ol);class oh extends nV{getFragmentSource(){return"\nprecision highp float;\nuniform sampler2D uTexture;\nuniform vec4 uLow;\nuniform vec4 uHigh;\nvarying vec2 vTexCoord;\nvoid main() {\n  gl_FragColor = texture2D(uTexture, vTexCoord);\n  if(all(greaterThan(gl_FragColor.rgb,uLow.rgb)) && all(greaterThan(uHigh.rgb,gl_FragColor.rgb))) {\n    gl_FragColor.a = 0.0;\n  }\n}\n"}applyTo2d(t){let{imageData:{data:e}}=t,i=255*this.distance,r=new ew(this.color).getSource(),s=[r[0]-i,r[1]-i,r[2]-i],n=[r[0]+i,r[1]+i,r[2]+i];for(let t=0;t<e.length;t+=4){let i=e[t],r=e[t+1],o=e[t+2];i>s[0]&&r>s[1]&&o>s[2]&&i<n[0]&&r<n[1]&&o<n[2]&&(e[t+3]=0)}}sendUniformData(t,e){let i=new ew(this.color).getSource(),r=this.distance,s=[0+i[0]/255-r,0+i[1]/255-r,0+i[2]/255-r,1],n=[i[0]/255+r,i[1]/255+r,i[2]/255+r,1];t.uniform4fv(e.uLow,s),t.uniform4fv(e.uHigh,n)}}a(oh,"type","RemoveColor"),a(oh,"defaults",{color:"#FFFFFF",distance:.02,useAlpha:!1}),a(oh,"uniformLocations",["uLow","uHigh"]),tt.setClass(oh);class oc extends nV{sendUniformData(t,e){t.uniform2fv(e.uDelta,this.horizontal?[1/this.width,0]:[0,1/this.height]),t.uniform1fv(e.uTaps,this.taps)}getFilterWindow(){let t=this.tempScale;return Math.ceil(this.lanczosLobes/t)}getCacheKey(){let t=this.getFilterWindow();

1return"".concat(this.type,"_").concat(t)}getFragmentSource(){let t=this.getFilterWindow();return this.generateShader(t)}getTaps(){let t=this.lanczosCreate(this.lanczosLobes),e=this.tempScale,i=this.getFilterWindow(),r=Array(i);for(let s=1;s<=i;s++)r[s-1]=t(s*e);return r}generateShader(t){let e=Array(t);for(let i=1;i<=t;i++)e[i-1]="".concat(i,".0 * uDelta");return"\n      precision highp float;\n      uniform sampler2D uTexture;\n      uniform vec2 uDelta;\n      varying vec2 vTexCoord;\n      uniform float uTaps[".concat(t,"];\n      void main() {\n        vec4 color = texture2D(uTexture, vTexCoord);\n        float sum = 1.0;\n        ").concat(e.map((t,e)=>"\n              color += texture2D(uTexture, vTexCoord + ".concat(t,") * uTaps[").concat(e,"] + texture2D(uTexture, vTexCoord - ").concat(t,") * uTaps[").concat(e,"];\n              sum += 2.0 * uTaps[").concat(e,"];\n            ")).join("\n"),"\n        gl_FragColor = color / sum;\n      }\n    ")}applyToForWebgl(t){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,super.applyTo(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,super.applyTo(t),t.sourceHeight=t.destinationHeight}applyTo(t){void 0!==t.webgl?this.applyToForWebgl(t):this.applyTo2d(t)}isNeutralState(){return 1===this.scaleX&&1===this.scaleY}lanczosCreate(t){return e=>{if(e>=t||e<=-t)return 0;if(e<11920929e-14&&e>-11920929e-14)return 1;let i=(e*=Math.PI)/t;return Math.sin(e)/e*Math.sin(i)/i}}applyTo2d(t){let e,i=t.imageData,r=this.scaleX,s=this.scaleY;this.rcpScaleX=1/r,this.rcpScaleY=1/s;let n=i.width,o=i.height,a=Math.round(n*r),l=Math.round(o*s);e="sliceHack"===this.resizeType?this.sliceByTwo(t,n,o,a,l):"hermite"===this.resizeType?this.hermiteFastResize(t,n,o,a,l):"bilinear"===this.resizeType?this.bilinearFiltering(t,n,o,a,l):"lanczos"===this.resizeType?this.lanczosResize(t,n,o,a,l):new ImageData(a,l),t.imageData=e}sliceByTwo(t,e,i,r,s){let n=t.imageData,o=!1,a=!1,l=.5*e,h=.5*i,c=t.filterBackend.resources,u=0,d=0,g=e,f=0;c.sliceByTwo||(c.sliceByTwo=tp());let p=c.sliceByTwo;(p.width<1.5*e||p.height<i)&&(p.width=1.5*e,p.height=i);let m=p.getContext("2d");for(m.clearRect(0,0,1.5*e,i),m.putImageData(n,0,0),r=Math.floor(r),s=Math.floor(s);!o||!a;)e=l,i=h,r<Math.floor(.5*l)?l=Math.floor(.5*l):(l=r,o=!0),s<Math.floor(.5*h)?h=Math.floor(.5*h):(h=s,a=!0),m.drawImage(p,u,d,e,i,g,f,l,h),u=g,d=f,f+=h;return m.getImageData(u,d,r,s)}lanczosResize(t,e,i,r,s){let n=t.imageData.data,o=t.ctx.createImageData(r,s),a=o.data,l=this.lanczosCreate(this.lanczosLobes),h=this.rcpScaleX,c=this.rcpScaleY,u=2/this.rcpScaleX,d=2/this.rcpScaleY,g=Math.ceil(h*this.lanczosLobes/2),f=Math.ceil(c*this.lanczosLobes/2),p={},m={x:0,y:0},v={x:0,y:0};return function t(y){let _,x,C,b,S,w,T,O,D,k,M;for(m.x=(y+.5)*h,v.x=Math.floor(m.x),_=0;_<s;_++){for(m.y=(_+.5)*c,v.y=Math.floor(m.y),S=0,w=0,T=0,O=0,D=0,x=v.x-g;x<=v.x+g;x++)if(!(x<0||x>=e)){p[k=Math.floor(1e3*Math.abs(x-m.x))]||(p[k]={});for(let t=v.y-f;t<=v.y+f;t++)t<0||t>=i||(M=Math.floor(1e3*Math.abs(t-m.y)),p[k][M]||(p[k][M]=l(Math.sqrt(Math.pow(k*u,2)+Math.pow(M*d,2))/1e3)),(C=p[k][M])>0&&(b=4*(t*e+x),S+=C,w+=C*n[b],T+=C*n[b+1],O+=C*n[b+2],D+=C*n[b+3]))}a[b=4*(_*r+y)]=w/S,a[b+1]=T/S,a[b+2]=O/S,a[b+3]=D/S}return++y<r?t(y):o}(0)}bilinearFiltering(t,e,i,r,s){let n,o,a,l,h,c,u,d,g,f,p,m=0,v=this.rcpScaleX,y=this.rcpScaleY,_=4*(e-1),x=t.imageData.data,C=t.ctx.createImageData(r,s),b=C.data;for(h=0;h<s;h++)for(c=0;c<r;c++)for(a=Math.floor(v*c),l=Math.floor(y*h),u=v*c-a,d=y*h-l,p=4*(l*e+a),g=0;g<4;g++)n=x[p+g],o=x[p+4+g],f=n*(1-u)*(1-d)+o*u*(1-d)+x[p+_+g]*d*(1-u)+x[p+_+4+g]*u*d,b[m++]=f;return C}hermiteFastResize(t,e,i,r,s){let n=this.rcpScaleX,o=this.rcpScaleY,a=Math.ceil(n/2),l=Math.ceil(o/2),h=t.imageData.data,c=t.ctx.createImageData(r,s),u=c.data;for(let t=0;t<s;t++)for(let i=0;i<r;i++){let s=4*(i+t*r),c=0,d=0,g=0,f=0,p=0,m=0,v=0,y=(t+.5)*o;for(let r=Math.floor(t*o);r<(t+1)*o;r++){let t=Math.abs(y-(r+.5))/l,s=(i+.5)*n,o=t*t;

1for(let t=Math.floor(i*n);t<(i+1)*n;t++){let i=Math.abs(s-(t+.5))/a,n=Math.sqrt(o+i*i);n>1&&n<-1||(c=2*n*n*n-3*n*n+1)>0&&(v+=c*h[(i=4*(t+r*e))+3],g+=c,h[i+3]<255&&(c=c*h[i+3]/250),f+=c*h[i],p+=c*h[i+1],m+=c*h[i+2],d+=c)}}u[s]=f/d,u[s+1]=p/d,u[s+2]=m/d,u[s+3]=v/g}return c}}a(oc,"type","Resize"),a(oc,"defaults",{resizeType:"hermite",scaleX:1,scaleY:1,lanczosLobes:3}),a(oc,"uniformLocations",["uDelta","uTaps"]),tt.setClass(oc);class ou extends nV{getFragmentSource(){return"\n  precision highp float;\n  uniform sampler2D uTexture;\n  uniform float uSaturation;\n  varying vec2 vTexCoord;\n  void main() {\n    vec4 color = texture2D(uTexture, vTexCoord);\n    float rgMax = max(color.r, color.g);\n    float rgbMax = max(rgMax, color.b);\n    color.r += rgbMax != color.r ? (rgbMax - color.r) * uSaturation : 0.00;\n    color.g += rgbMax != color.g ? (rgbMax - color.g) * uSaturation : 0.00;\n    color.b += rgbMax != color.b ? (rgbMax - color.b) * uSaturation : 0.00;\n    gl_FragColor = color;\n  }\n"}applyTo2d(t){let{imageData:{data:e}}=t,i=-this.saturation;for(let t=0;t<e.length;t+=4){let r=e[t],s=e[t+1],n=e[t+2],o=Math.max(r,s,n);e[t]+=o!==r?(o-r)*i:0,e[t+1]+=o!==s?(o-s)*i:0,e[t+2]+=o!==n?(o-n)*i:0}}sendUniformData(t,e){t.uniform1f(e.uSaturation,-this.saturation)}isNeutralState(){return 0===this.saturation}}a(ou,"type","Saturation"),a(ou,"defaults",{saturation:0}),a(ou,"uniformLocations",["uSaturation"]),tt.setClass(ou);class od extends nV{getFragmentSource(){return"\n  precision highp float;\n  uniform sampler2D uTexture;\n  uniform float uVibrance;\n  varying vec2 vTexCoord;\n  void main() {\n    vec4 color = texture2D(uTexture, vTexCoord);\n    float max = max(color.r, max(color.g, color.b));\n    float avg = (color.r + color.g + color.b) / 3.0;\n    float amt = (abs(max - avg) * 2.0) * uVibrance;\n    color.r += max != color.r ? (max - color.r) * amt : 0.00;\n    color.g += max != color.g ? (max - color.g) * amt : 0.00;\n    color.b += max != color.b ? (max - color.b) * amt : 0.00;\n    gl_FragColor = color;\n  }\n"}applyTo2d(t){let{imageData:{data:e}}=t,i=-this.vibrance;for(let t=0;t<e.length;t+=4){let r=e[t],s=e[t+1],n=e[t+2],o=Math.max(r,s,n),a=2*Math.abs(o-(r+s+n)/3)/255*i;e[t]+=o!==r?(o-r)*a:0,e[t+1]+=o!==s?(o-s)*a:0,e[t+2]+=o!==n?(o-n)*a:0}}sendUniformData(t,e){t.uniform1f(e.uVibrance,-this.vibrance)}isNeutralState(){return 0===this.vibrance}}a(od,"type","Vibrance"),a(od,"defaults",{vibrance:0}),a(od,"uniformLocations",["uVibrance"]),tt.setClass(od);var og=Object.freeze({__proto__:null,BaseFilter:nV,BlackWhite:n4,BlendColor:nz,BlendImage:nU,Blur:nq,Brightness:nK,Brownie:n$,ColorMatrix:nQ,Composed:n6,Contrast:n8,Convolute:n9,Gamma:oe,Grayscale:or,HueRotation:on,Invert:oo,Kodachrome:n1,Noise:oa,Pixelate:ol,Polaroid:n5,RemoveColor:oh,Resize:oc,Saturation:ou,Sepia:n3,Technicolor:n2,Vibrance:od,Vintage:n0})}}]);

Line numbers count LF bytes from the start of the resource, as the search results do. Vendor segments are library code the classifier recognised; they are stored but not indexed. Bytes are shown as Latin1 characters, one per byte.