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Did you forget to dispose the canvas?");return this._originalCanvasStyle=e.style.cssText,e.setAttribute("data-fabric","main"),e.classList.add("lower-canvas"),e}cleanupDOM(t){let{width:e,height:s}=t;const{el:r}=this.lower;r.classList.remove("lower-canvas"),r.removeAttribute("data-fabric"),r.setAttribute("width","".concat(e)),r.setAttribute("height","".concat(s)),r.style.cssText=this._originalCanvasStyle||"",this._originalCanvasStyle=void 0}setDimensions(t,e){const{el:s,ctx:r}=this.lower;cn(s,r,t,e)}setCSSDimensions(t){Tr(this.lower.el,t)}calcOffset(){return(function(t){var e;const s=t&&Dt(t),r={left:0,top:0};if(!s)return r;const i=((e=hn(t))===null||e===void 0?void 0:e.getComputedStyle(t,null))||{};r.left+=parseInt(i.borderLeftWidth,10)||0,r.top+=parseInt(i.borderTopWidth,10)||0,r.left+=parseInt(i.paddingLeft,10)||0,r.top+=parseInt(i.paddingTop,10)||0;let n={left:0,top:0};const a=s.documentElement;t.getBoundingClientRect!==void 0&&(n=t.getBoundingClientRect());const l=ln(t);return{left:n.left+l.left-(a.clientLeft||0)+r.left,top:n.top+l.top-(a.clientTop||0)+r.top}})(this.lower.el)}dispose(){Rt().dispose(this.lower.el),delete this.lower}}const Fo={backgroundVpt:!0,backgroundColor:"",overlayVpt:!0,overlayColor:"",includeDefaultValues:!0,svgViewportTransformation:!0,renderOnAddRemove:!0,skipOffscreen:!0,enableRetinaScaling:!0,imageSmoothingEnabled:!0,controlsAboveOverlay:!1,allowTouchScrolling:!1,viewportTransform:[...ct]},Lo=["objects"];class vs extends Qi(tn){get lowerCanvasEl(){var t;return(t=this.elements.lower)===null||t===void 0?void 0:t.el}get contextContainer(){var t;return(t=this.elements.lower)===null||t===void 0?void 0:t.ctx}static getDefaults(){return vs.ownDefaults}constructor(t){let e=arguments.length>1&&arguments[1]!==void 0?arguments[1]:{};super(),Object.assign(this,this.constructor.getDefaults()),this.set(e),this.initElements(t),this._setDimensionsImpl({width:this.width||this.elements.lower.el.width||0,height:this.height||this.elements.lower.el.height||0}),this.skipControlsDrawing=!1,this.viewportTransform=[...this.viewportTransform],this.calcViewportBoundaries()}initElements(t){this.elements=new un(t)}add(){const t=super.add(...arguments);return arguments.length>0&&this.renderOnAddRemove&&this.requestRenderAll(),t}insertAt(t){for(var e=arguments.length,s=new Array(e>1?e-1:0),r=1;r<e;r++)s[r-1]=arguments[r];const i=super.insertAt(t,...s);return s.length>0&&this.renderOnAddRemove&&this.requestRenderAll(),i}remove(){const t=super.remove(...arguments);return t.length>0&&this.renderOnAddRemove&&this.requestRenderAll(),t}_onObjectAdded(t){t.canvas&&t.canvas!==this&&(oe("warn",`Canvas is trying to add an object that belongs to a different canvas.
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r=_({width:this.width,height:this.height},t);this.elements.setDimensions(r,this.getRetinaScaling()),this.hasLostContext=!0,this.width=r.width,this.height=r.height}s||this.elements.setCSSDimensions(t),this.calcOffset()}setDimensions(t,e){this._setDimensionsImpl(t,e),e&&e.cssOnly||this.requestRenderAll()}getZoom(){return this.viewportTransform[0]}setViewportTransform(t){this.viewportTransform=t,this.calcViewportBoundaries(),this.renderOnAddRemove&&this.requestRenderAll()}zoomToPoint(t,e){const s=t,r=[...this.viewportTransform],i=dt(t,Pt(r));r[0]=e,r[3]=e;const n=dt(i,r);r[4]+=s.x-n.x,r[5]+=s.y-n.y,this.setViewportTransform(r)}setZoom(t){this.zoomToPoint(new x(0,0),t)}absolutePan(t){const e=[...this.viewportTransform];return e[4]=-t.x,e[5]=-t.y,this.setViewportTransform(e)}relativePan(t){return this.absolutePan(new x(-t.x-this.viewportTransform[4],-t.y-this.viewportTransform[5]))}getElement(){return this.elements.lower.el}clearContext(t){t.clearRect(0,0,this.width,this.height)}getContext(){return this.elements.lower.ctx}clear(){this.remove(...this.getObjects()),this.backgroundImage=void 0,this.overlayImage=void 0,this.backgroundColor="",this.overlayColor="",this.clearContext(this.getContext()),this.fire("canvas:cleared"),this.renderOnAddRemove&&this.requestRenderAll()}renderAll(){this.cancelRequestedRender(),this.destroyed||this.renderCanvas(this.getContext(),this._objects)}renderAndReset(){this.nextRenderHandle=0,this.renderAll()}requestRenderAll(){this.nextRenderHandle||this.disposed||this.destroyed||(this.nextRenderHandle=js((()=>this.renderAndReset())))}calcViewportBoundaries(){const t=this.width,e=this.height,s=Pt(this.viewportTransform),r=dt({x:0,y:0},s),i=dt({x:t,y:e},s),n=r.min(i),a=r.max(i);return this.vptCoords={tl:n,tr:new x(a.x,n.y),bl:new x(n.x,a.y),br:a}}cancelRequestedRender(){this.nextRenderHandle&&(Mo(this.nextRenderHandle),this.nextRenderHandle=0)}drawControls(t){}renderCanvas(t,e){if(this.destroyed)return;const s=this.viewportTransform,r=this.clipPath;this.calcViewportBoundaries(),this.clearContext(t),t.imageSmoothingEnabled=this.imageSmoothingEnabled,t.patternQuality="best",this.fire("before:render",{ctx:t}),this._renderBackground(t),t.save(),t.transform(s[0],s[1],s[2],s[3],s[4],s[5]),this._renderObjects(t,e),t.restore(),this.controlsAboveOverlay||this.skipControlsDrawing||this.drawControls(t),r&&(r._set("canvas",this),r.shouldCache(),r._transformDone=!0,r.renderCache({forClipping:!0}),this.drawClipPathOnCanvas(t,r)),this._renderOverlay(t),this.controlsAboveOverlay&&!this.skipControlsDrawing&&this.drawControls(t),this.fire("after:render",{ctx:t}),this.__cleanupTask&&(this.__cleanupTask(),this.__cleanupTask=void 0)}drawClipPathOnCanvas(t,e){const s=this.viewportTransform;t.save(),t.transform(...s),t.globalCompositeOperation="destination-in",e.transform(t),t.scale(1/e.zoomX,1/e.zoomY),t.drawImage(e._cacheCanvas,-e.cacheTranslationX,-e.cacheTranslationY),t.restore()}_renderObjects(t,e){for(let s=0,r=e.length;s<r;++s)e[s]&&e[s].render(t)}_renderBackgroundOrOverlay(t,e){const s=this["".concat(e,"Color")],r=this["".concat(e,"Image")],i=this.viewportTransform,n=this["".concat(e,"Vpt")];if(!s&&!r)return;const a=Ct(s);if(s){if(t.save(),t.beginPath(),t.moveTo(0,0),t.lineTo(this.width,0),t.lineTo(this.width,this.height),t.lineTo(0,this.height),t.closePath(),t.fillStyle=a?s.toLive(t):s,n&&t.transform(...i),a){t.transform(1,0,0,1,s.offsetX||0,s.offsetY||0);const 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x(t.getCenterPoint().x,this.getVpCenter().y))}getVpCenter(){return dt(this.getCenterPoint(),Pt(this.viewportTransform))}_centerObject(t,e){t.setXY(e,j,j),t.setCoords(),this.renderOnAddRemove&&this.requestRenderAll()}toDatalessJSON(t){return this.toDatalessObject(t)}toObject(t){return this._toObjectMethod("toObject",t)}toJSON(){return this.toObject()}toDatalessObject(t){return this._toObjectMethod("toDatalessObject",t)}_toObjectMethod(t,e){const s=this.clipPath,r=s&&!s.excludeFromExport?this._toObject(s,t,e):null;return _(_(_({version:wr},Fe(this,e)),{},{objects:this._objects.filter((i=>!i.excludeFromExport)).map((i=>this._toObject(i,t,e)))},this.__serializeBgOverlay(t,e)),r?{clipPath:r}:null)}_toObject(t,e,s){let r;this.includeDefaultValues||(r=t.includeDefaultValues,t.includeDefaultValues=!1);const i=t[e](s);return this.includeDefaultValues||(t.includeDefaultValues=!!r),i}__serializeBgOverlay(t,e){const 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4`)),this._setSVGBgOverlayColor(s,"background"),this._setSVGBgOverlayImage(s,"backgroundImage",e),this._setSVGObjects(s,e),this.clipPath&&s.push(`</g>
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6`,'<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" ',`"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
7`)}_setSVGHeader(t,e){const s=e.width||"".concat(this.width),r=e.height||"".concat(this.height),i=F.NUM_FRACTION_DIGITS,n=e.viewBox;let a;if(n)a='viewBox="'.concat(n.x," ").concat(n.y," ").concat(n.width," ").concat(n.height,'" ');else if(this.svgViewportTransformation){const l=this.viewportTransform;a='viewBox="'.concat(G(-l[4]/l[0],i)," ").concat(G(-l[5]/l[3],i)," ").concat(G(this.width/l[0],i)," ").concat(G(this.height/l[3],i),'" ')}else a='viewBox="0 0 '.concat(this.width," ").concat(this.height,'" ');t.push("<svg ",'xmlns="http://www.w3.org/2000/svg" ','xmlns:xlink="http://www.w3.org/1999/xlink" ','version="1.1" ','width="',s,'" ','height="',r,'" ',a,`xml:space="preserve">
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15			src: url('`).concat(s[i],`');
16		}
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19`):""}_setSVGObjects(t,e){this.forEachObject((s=>{s.excludeFromExport||this._setSVGObject(t,s,e)}))}_setSVGObject(t,e,s){t.push(e.toSVG(s))}_setSVGBgOverlayImage(t,e,s){const r=this[e];r&&!r.excludeFromExport&&r.toSVG&&t.push(r.toSVG(s))}_setSVGBgOverlayColor(t,e){const s=this["".concat(e,"Color")];if(s)if(Ct(s)){const r=s.repeat||"",i=this.width,n=this.height,a=this["".concat(e,"Vpt")]?us(Pt(this.viewportTransform)):"";t.push('<rect transform="'.concat(a," translate(").concat(i/2,",").concat(n/2,')" x="').concat(s.offsetX-i/2,'" y="').concat(s.offsetY-n/2,'" width="').concat(r!=="repeat-y"&&r!=="no-repeat"||!li(s)?i:s.source.width,'" height="').concat(r!=="repeat-x"&&r!=="no-repeat"||!li(s)?n:s.source.height,'" fill="url(#SVGID_').concat(s.id,`)"></rect>
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37positionHandler(t,e,s,r){return new x(this.x*t.x+this.offsetX,this.y*t.y+this.offsetY).transform(e)}calcCornerCoords(t,e,s,r,i,n){const a=Wr([ms(s,r),Ae({angle:t}),Gr((i?this.touchSizeX:this.sizeX)||e,(i?this.touchSizeY:this.sizeY)||e)]);return{tl:new x(-.5,-.5).transform(a),tr:new x(.5,-.5).transform(a),br:new x(.5,.5).transform(a),bl:new x(-.5,.5).transform(a)}}render(t,e,s,r,i){((r=r||{}).cornerStyle||i.cornerStyle)==="circle"?fa.call(this,t,e,s,r,i):pa.call(this,t,e,s,r,i)}}const ma=(o,t,e)=>e.lockRotation?Gs:t.cursorStyle,va=Le(Zi,Be(((o,t,e,s)=>{let{target:r,ex:i,ey:n,theta:a,originX:l,originY:h}=t;const c=r.translateToOriginPoint(r.getRelativeCenterPoint(),l,h);if(jt(r,"lockRotation"))return!1;const u=Math.atan2(n-c.y,i-c.x),d=Math.atan2(s-c.y,e-c.x);let g=Zt(d-u+a);if(r.snapAngle&&r.snapAngle>0){const v=r.snapAngle,p=r.snapThreshold||v,f=Math.ceil(g/v)*v,b=Math.floor(g/v)*v;Math.abs(g-b)<p?g=b:Math.abs(g-f)<p&&(g=f)}g<0&&(g=360+g),g%=360;const m=r.angle!==g;return r.angle=g,m})));function On(o,t){const e=t.canvas,s=o[e.uniScaleKey];return e.uniformScaling&&!s||!e.uniformScaling&&s}function kn(o,t,e){const s=jt(o,"lockScalingX"),r=jt(o,"lockScalingY");if(s&&r||!t&&(s||r)&&e||s&&t==="x"||r&&t==="y")return!0;const{width:i,height:n,strokeWidth:a}=o;return i===0&&a===0&&t!=="y"||n===0&&a===0&&t!=="x"}const ya=["e","se","s","sw","w","nw","n","ne","e"],Ye=(o,t,e)=>{const s=On(o,e);if(kn(e,t.x!==0&&t.y===0?"x":t.x===0&&t.y!==0?"y":"",s))return Gs;const r=mn(e,t);return"".concat(ya[r],"-resize")};function Kr(o,t,e,s){let r=arguments.length>4&&arguments[4]!==void 0?arguments[4]:{};const i=t.target,n=r.by,a=On(o,i);let l,h,c,u,d,g;if(kn(i,n,a))return!1;if(t.gestureScale)h=t.scaleX*t.gestureScale,c=t.scaleY*t.gestureScale;else{if(l=Hr(t,t.originX,t.originY,e,s),d=n!=="y"?Math.sign(l.x||t.signX||1):1,g=n!=="x"?Math.sign(l.y||t.signY||1):1,t.signX||(t.signX=d),t.signY||(t.signY=g),jt(i,"lockScalingFlip")&&(t.signX!==d||t.signY!==g))return!1;if(u=i._getTransformedDimensions(),a&&!n){const p=Math.abs(l.x)+Math.abs(l.y),{original:f}=t,b=p/(Math.abs(u.x*f.scaleX/i.scaleX)+Math.abs(u.y*f.scaleY/i.scaleY));h=f.scaleX*b,c=f.scaleY*b}else h=Math.abs(l.x*i.scaleX/u.x),c=Math.abs(l.y*i.scaleY/u.y);fn(t)&&(h*=2,c*=2),t.signX!==d&&n!=="y"&&(t.originX=ui(t.originX),h*=-1,t.signX=d),t.signY!==g&&n!=="x"&&(t.originY=ui(t.originY),c*=-1,t.signY=g)}const m=i.scaleX,v=i.scaleY;return n?(n==="x"&&i.set(mt,h),n==="y"&&i.set(wt,c)):(!jt(i,"lockScalingX")&&i.set(mt,h),!jt(i,"lockScalingY")&&i.set(wt,c)),m!==i.scaleX||v!==i.scaleY}const bs=Le($s,Be(((o,t,e,s)=>Kr(o,t,e,s)))),_a=Le($s,Be(((o,t,e,s)=>Kr(o,t,e,s,{by:"x"})))),xa=Le($s,Be(((o,t,e,s)=>Kr(o,t,e,s,{by:"y"})))),ba=["target","ex","ey","skewingSide"],fr={x:{counterAxis:"y",scale:mt,skew:Ee,lockSkewing:"lockSkewingX",origin:"originX",flip:"flipX"},y:{counterAxis:"x",scale:wt,skew:je,lockSkewing:"lockSkewingY",origin:"originY",flip:"flipY"}},Ca=["ns","nesw","ew","nwse"],wa=(o,t,e)=>{if(t.x!==0&&jt(e,"lockSkewingY")||t.y!==0&&jt(e,"lockSkewingX"))return Gs;const s=mn(e,t)%4;return"".concat(Ca[s],"-resize")};function Dn(o,t,e,s,r){const{target:i}=e,{counterAxis:n,origin:a,lockSkewing:l,skew:h,flip:c}=fr[o];if(jt(i,l))return!1;const{origin:u,flip:d}=fr[n],g=$(e[u])*(i[d]?-1:1),m=-Math.sign(g)*(i[c]?-1:1),v=.5*-((i[h]===0&&Hr(e,j,j,s,r)[o]>0||i[h]>0?1:-1)*m)+.5;return Le(Ji,Be(((f,b,T,w)=>(function(S,C,M){let{target:D,ex:P,ey:X,skewingSide:tt}=C,Y=z(C,ba);const{skew:V}=fr[S],L=M.subtract(new x(P,X)).divide(new x(D.scaleX,D.scaleY))[S],st=D[V],et=Y[V],rt=Math.tan(K(et)),W=S==="y"?D._getTransformedDimensions({scaleX:1,scaleY:1,skewX:0}).x:D._getTransformedDimensions({scaleX:1,scaleY:1}).y,At=2*L*tt/Math.max(W,1)+rt,Vt=Zt(Math.atan(At));D.set(V,Vt);const ys=st!==D[V];if(ys&&S==="y"){const{skewX:or,scaleX:Re}=D,ee=D._getTransformedDimensions({skewY:st}),_s=D._getTransformedDimensions(),ce=or!==0?ee.x/_s.x:1;ce!==1&&D.set(mt,ce*Re)}return ys})(o,b,new x(T,w)))))(t,_(_({},e),{},{[a]:v,skewingSide:m}),s,r)}const Sa=(o,t,e,s)=>Dn("x",o,t,e,s),Ta=(o,t,e,s)=>Dn("y",o,t,e,s);function sr(o,t){return o[t.canvas.altActionKey]}const Cs=(o,t,e)=>{const s=sr(o,e);return t.x===0?s?Ee:wt:t.y===0?s?je:mt:""},Se=(o,t,e)=>sr(o,e)?wa(0,t,e):Ye(o,t,e),Si=(o,t,e,s)=>sr(o,t.target)?Ta(o,t,e,s):_a(o,t,e,s),Ti=(o,t,e,s)=>sr(o,t.target)?Sa(o,t,e,s):xa(o,t,e,s),Mn=()=>({ml:new Ot({x:-.5,y:0,cursorStyleHandler:Se,actionHandler:Si,getActionName:Cs}),mr:new Ot({x:.5,y:0,cursorStyleHandler:Se,actionHandler:Si,getActionName:Cs}),mb:new Ot({x:0,y:.5,cursorStyleHandler:Se,actionHandler:Ti,getActionName:Cs}),mt:new Ot({x:0,y:-.5,cursorStyleHandler:Se,actionHandler:Ti,getActionName:Cs}),tl:new Ot({x:-.5,y:-.5,cursorStyleHandler:Ye,actionHandler:bs}),tr:new Ot({x:.5,y:-.5,cursorStyleHandler:Ye,actionHandler:bs}),bl:new Ot({x:-.5,y:.5,cursorStyleHandler:Ye,actionHandler:bs}),br:new Ot({x:.5,y:.5,cursorStyleHandler:Ye,actionHandler:bs}),mtr:new Ot({x:0,y:-.5,actionHandler:va,cursorStyleHandler:ma,offsetY:-40,withConnection:!0,actionName:Xr})}),Oa=()=>({mr:new Ot({x:.5,y:0,actionHandler:wi,cursorStyleHandler:Se,actionName:hs}),ml:new Ot({x:-.5,y:0,actionHandler:wi,cursorStyleHandler:Se,actionName:hs})}),ka=()=>_(_({},Mn()),Oa());class gs extends Xt{static getDefaults(){return _(_({},super.getDefaults()),gs.ownDefaults)}constructor(t){super(),Object.assign(this,this.constructor.createControls(),gs.ownDefaults),this.setOptions(t)}static createControls(){return{controls:Mn()}}_updateCacheCanvas(){const t=this.canvas;if(this.noScaleCache&&t&&t._currentTransform){const e=t._currentTransform,s=e.target,r=e.action;if(this===s&&r&&r.startsWith(Zs))return!1}return super._updateCacheCanvas()}getActiveControl(){const t=this.__corner;return t?{key:t,control:this.controls[t],coord:this.oCoords[t]}:void 0}findControl(t){let e=arguments.length>1&&arguments[1]!==void 0&&arguments[1];if(!this.hasControls||!this.canvas)return;this.__corner=void 0;const s=Object.entries(this.oCoords);for(let r=s.length-1;r>=0;r--){const[i,n]=s[r],a=this.controls[i];if(a.shouldActivate(i,this,t,e?n.touchCorner:n.corner))return this.__corner=i,{key:i,control:a,coord:this.oCoords[i]}}}calcOCoords(){const t=this.getViewportTransform(),e=this.getCenterPoint(),s=ms(e.x,e.y),r=Ae({angle:this.getTotalAngle()-(this.group&&this.flipX?180:0)}),i=ot(s,r),n=ot(t,i),a=ot(n,[1/t[0],0,0,1/t[3],0,0]),l=this.group?Ys(this.calcTransformMatrix()):void 0;l&&(l.scaleX=Math.abs(l.scaleX),l.scaleY=Math.abs(l.scaleY));const h=this._calculateCurrentDimensions(l),c={};return this.forEachControl(((u,d)=>{const g=u.positionHandler(h,a,this,u);c[d]=Object.assign(g,this._calcCornerCoords(u,g))})),c}_calcCornerCoords(t,e){const s=this.getTotalAngle();return{corner:t.calcCornerCoords(s,this.cornerSize,e.x,e.y,!1,this),touchCorner:t.calcCornerCoords(s,this.touchCornerSize,e.x,e.y,!0,this)}}setCoords(){super.setCoords(),this.canvas&&(this.oCoords=this.calcOCoords())}forEachControl(t){for(const e in this.controls)t(this.controls[e],e,this)}

37drawSelectionBackground(t){if(!this.selectionBackgroundColor||this.canvas&&this.canvas._activeObject!==this)return;t.save();const e=this.getRelativeCenterPoint(),s=this._calculateCurrentDimensions(),r=this.getViewportTransform();t.translate(e.x,e.y),t.scale(1/r[0],1/r[3]),t.rotate(K(this.angle)),t.fillStyle=this.selectionBackgroundColor,t.fillRect(-s.x/2,-s.y/2,s.x,s.y),t.restore()}strokeBorders(t,e){t.strokeRect(-e.x/2,-e.y/2,e.x,e.y)}_drawBorders(t,e){let s=arguments.length>2&&arguments[2]!==void 0?arguments[2]:{};const r=_({hasControls:this.hasControls,borderColor:this.borderColor,borderDashArray:this.borderDashArray},s);t.save(),t.strokeStyle=r.borderColor,this._setLineDash(t,r.borderDashArray),this.strokeBorders(t,e),r.hasControls&&this.drawControlsConnectingLines(t,e),t.restore()}_renderControls(t){let e=arguments.length>1&&arguments[1]!==void 0?arguments[1]:{};const{hasBorders:s,hasControls:r}=this,i=_({hasBorders:s,hasControls:r},e),n=this.getViewportTransform(),a=i.hasBorders,l=i.hasControls,h=ot(n,this.calcTransformMatrix()),c=Ys(h);t.save(),t.translate(c.translateX,c.translateY),t.lineWidth=this.borderScaleFactor,this.group===this.parent&&(t.globalAlpha=this.isMoving?this.borderOpacityWhenMoving:1),this.flipX&&(c.angle-=180),t.rotate(K(this.group?c.angle:this.angle)),a&&this.drawBorders(t,c,e),l&&this.drawControls(t,e),t.restore()}drawBorders(t,e,s){let r;if(s&&s.forActiveSelection||this.group){const i=Nr(this.width,this.height,Js(e)),n=this.isStrokeAccountedForInDimensions()?Yr:(this.strokeUniform?new x().scalarAdd(this.canvas?this.canvas.getZoom():1):new x(e.scaleX,e.scaleY)).scalarMultiply(this.strokeWidth);r=i.add(n).scalarAdd(this.borderScaleFactor).scalarAdd(2*this.padding)}else r=this._calculateCurrentDimensions().scalarAdd(this.borderScaleFactor);this._drawBorders(t,r,s)}drawControlsConnectingLines(t,e){let s=!1;t.beginPath(),this.forEachControl(((r,i)=>{r.withConnection&&r.getVisibility(this,i)&&(s=!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))})),s&&t.stroke()}drawControls(t){let e=arguments.length>1&&arguments[1]!==void 0?arguments[1]:{};t.save();const s=this.getCanvasRetinaScaling(),{cornerStrokeColor:r,cornerDashArray:i,cornerColor:n}=this,a=_({cornerStrokeColor:r,cornerDashArray:i,cornerColor:n},e);t.setTransform(s,0,0,s,0,0),t.strokeStyle=t.fillStyle=a.cornerColor,this.transparentCorners||(t.strokeStyle=a.cornerStrokeColor),this._setLineDash(t,a.cornerDashArray),this.forEachControl(((l,h)=>{if(l.getVisibility(this,h)){const c=this.oCoords[h];l.render(t,c.x,c.y,a,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&&arguments[0]!==void 0?arguments[0]:{};Object.entries(t).forEach((e=>{let[s,r]=e;return this.setControlVisible(s,r)}))}clearContextTop(t){if(!this.canvas)return;const e=this.canvas.contextTop;if(!e)return;const s=this.canvas.viewportTransform;e.save(),e.transform(s[0],s[1],s[2],s[3],s[4],s[5]),this.transform(e);const r=this.width+4,i=this.height+4;return e.clearRect(-r/2,-i/2,r,i),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 Pn(o,t){return t.forEach((e=>{Object.getOwnPropertyNames(e.prototype).forEach((s=>{s!=="constructor"&&Object.defineProperty(o.prototype,s,Object.getOwnPropertyDescriptor(e.prototype,s)||Object.create(null))}))})),o}y(gs,"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 at extends gs{}Pn(at,[vn]),k.setClass(at),k.setClass(at,"object");const Da=(o,t,e,s)=>{const r=2*(s=Math.round(s))+1,{data:i}=o.getImageData(t-s,e-s,r,r);for(let n=3;n<i.length;n+=4)if(i[n]>0)return!1;return!0};class En{constructor(t){this.options=t,this.strokeProjectionMagnitude=this.options.strokeWidth/2,this.scale=new x(this.options.scaleX,this.options.scaleY),this.strokeUniformScalar=this.options.strokeUniform?new x(1/this.options.scaleX,1/this.options.scaleY):new x(1,1)}createSideVector(t,e){const s=kr(t,e);return this.options.strokeUniform?s.multiply(this.scale):s}projectOrthogonally(t,e,s){return this.applySkew(t.add(this.calcOrthogonalProjection(t,e,s)))}isSkewed(){return this.options.skewX!==0||this.options.skewY!==0}applySkew(t){const e=new x(t);return e.y+=e.x*Math.tan(K(this.options.skewY)),e.x+=e.y*Math.tan(K(this.options.skewX)),e}scaleUnitVector(t,e){return t.multiply(this.strokeUniformScalar).scalarMultiply(e)}}const Ma=new x;class De extends En{static getOrthogonalRotationFactor(t,e){const s=e?Mr(t,e):Zo(t);return Math.abs(s)<ps?-1:1}constructor(t,e,s,r){super(r),y(this,"AB",void 0),y(this,"AC",void 0),y(this,"alpha",void 0),y(this,"bisector",void 0),this.A=new x(t),this.B=new x(e),this.C=new x(s),this.AB=this.createSideVector(this.A,this.B),this.AC=this.createSideVector(this.A,this.C),this.alpha=Mr(this.AB,this.AC),this.bisector=Ur(wn(this.AB.eq(Ma)?this.AC:this.AB,this.alpha/2))}calcOrthogonalProjection(t,e){let s=arguments.length>2&&arguments[2]!==void 0?arguments[2]:this.strokeProjectionMagnitude;const r=this.createSideVector(t,e),i=Sn(r),n=De.getOrthogonalRotationFactor(i,this.bisector);return this.scaleUnitVector(i,s*n)}projectBevel(){const t=[];return(this.alpha%Rs==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(){const t=[],e=Math.abs(this.alpha),s=1/Math.sin(e/2),r=this.scaleUnitVector(this.bisector,-this.strokeProjectionMagnitude*s),i=this.options.strokeUniform?Dr(this.scaleUnitVector(this.bisector,this.options.strokeMiterLimit)):this.options.strokeMiterLimit;return Dr(r)/this.strokeProjectionMagnitude<=i&&t.push(this.applySkew(this.A.add(r))),t.push(...this.projectBevel()),t}projectRoundNoSkew(t,e){const s=[],r=new x(De.getOrthogonalRotationFactor(this.bisector),De.getOrthogonalRotationFactor(new x(this.bisector.y,this.bisector.x)));return[new x(1,0).scalarMultiply(this.strokeProjectionMagnitude).multiply(this.strokeUniformScalar).multiply(r),new x(0,1).scalarMultiply(this.strokeProjectionMagnitude).multiply(this.strokeUniformScalar).multiply(r)].forEach((i=>{xi(i,t,e)&&s.push(this.A.add(i))})),s}projectRoundWithSkew(t,e){const s=[],{skewX:r,skewY:i,scaleX:n,scaleY:a,strokeUniform:l}=this.options,h=new x(Math.tan(K(r)),Math.tan(K(i))),c=this.strokeProjectionMagnitude,u=l?c/a/Math.sqrt(1/a**2+1/n**2*h.y**2):c/Math.sqrt(1+h.y**2),d=new x(Math.sqrt(Math.max(c**2-u**2,0)),u),g=l?c/Math.sqrt(1+h.x**2*(1/a)**2/(1/n+1/n*h.x*h.y)**2):c/Math.sqrt(1+h.x**2/(1+h.x*h.y)**2),m=new x(g,Math.sqrt(Math.max(c**2-g**2,0)));return[m,m.scalarMultiply(-1),d,d.scalarMultiply(-1)].map((v=>this.applySkew(l?v.multiply(this.strokeUniformScalar):v))).forEach((v=>{xi(v,t,e)&&s.push(this.applySkew(this.A).add(v))})),s}projectRound(){const t=[];t.push(...this.projectBevel());const e=this.alpha%Rs==0,s=this.applySkew(this.A),r=t[e?0:2].subtract(s),i=t[e?1:0].subtract(s),n=e?this.applySkew(this.AB.scalarMultiply(-1)):this.applySkew(this.bisector.multiply(this.strokeUniformScalar).scalarMultiply(-1)),a=ls(r,n)>0,l=a?r:i,h=a?i:r;return this.isSkewed()?t.push(...this.projectRoundWithSkew(l,h)):t.push(...this.projectRoundNoSkew(l,h)),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 Oi extends En{constructor(t,e,s){super(s),this.A=new x(t),this.T=new x(e)}calcOrthogonalProjection(t,e){let s=arguments.length>2&&arguments[2]!==void 0?arguments[2]:this.strokeProjectionMagnitude;const r=this.createSideVector(t,e);return this.scaleUnitVector(Sn(r),s)}projectButt(){return[this.projectOrthogonally(this.A,this.T,this.strokeProjectionMagnitude),this.projectOrthogonally(this.A,this.T,-this.strokeProjectionMagnitude)]}projectRound(){const t=[];if(!this.isSkewed()&&this.A.eq(this.T)){const e=new x(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 De(this.A,this.T,this.T,this.options).projectRound());return t}projectSquare(){const t=[];if(this.A.eq(this.T)){const e=new x(1,1).scalarMultiply(this.strokeProjectionMagnitude).multiply(this.strokeUniformScalar);t.push(this.A.add(e),this.A.subtract(e))}else{const 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t.setAttribute("data-fabric","wrapper"),Ar(t,{position:"relative"}),hi(t),t}applyCanvasStyle(t,e){const{styles:s,allowTouchScrolling:r}=e;Ar(t,_(_({},s),{},{"touch-action":r?"manipulation":ft})),hi(t)}setDimensions(t,e){super.setDimensions(t,e);const{el:s,ctx:r}=this.upper;cn(s,r,t,e)}setCSSDimensions(t){super.setCSSDimensions(t),Tr(this.upper.el,t),Tr(this.container,t)}cleanupDOM(t){const e=this.container,{el:s}=this.lower,{el:r}=this.upper;super.cleanupDOM(t),e.removeChild(r),e.removeChild(s),e.parentNode&&e.parentNode.replaceChild(s,e)}dispose(){super.dispose(),Rt().dispose(this.upper.el),delete this.upper,delete this.container}}class ir extends vs{constructor(){super(...arguments),y(this,"targets",[]),y(this,"_hoveredTargets",[]),y(this,"_currentTransform",null),y(this,"_groupSelector",null),y(this,"contextTopDirty",!1)}static getDefaults(){return _(_({},super.getDefaults()),ir.ownDefaults)}get upperCanvasEl(){var t;return(t=this.elements.upper)===null||t===void 0?void 0:t.el}get 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e===Zs||e===mt||e===wt||e===hs?r=this.centeredScaling||t.centeredScaling:e===Xr&&(r=this.centeredRotation||t.centeredRotation),r?!s:s}_getOriginFromCorner(t,e){const s={x:t.originX,y:t.originY};return e&&(["ml","tl","bl"].includes(e)?s.x=U:["mr","tr","br"].includes(e)&&(s.x=R),["tl","mt","tr"].includes(e)?s.y=Sr:["bl","mb","br"].includes(e)&&(s.y=gt)),s}_setupCurrentTransform(t,e,s){var r;const i=e.group?Oe(this.getScenePoint(t),void 0,e.group.calcTransformMatrix()):this.getScenePoint(t),{key:n="",control:a}=e.getActiveControl()||{},l=s&&a?(r=a.getActionHandler(t,e,a))===null||r===void 0?void 0:r.bind(a):zo,h=((g,m,v,p)=>{if(!m||!g)return"drag";const f=p.controls[m];return f.getActionName(v,f,p)})(s,n,t,e),c=t[this.centeredKey],u=this._shouldCenterTransform(e,h,c)?{x:j,y:j}:this._getOriginFromCorner(e,n),d={target:e,action:h,actionHandler:l,actionPerformed:!1,corner:n,scaleX:e.scaleX,scaleY:e.scaleY,skewX:e.skewX,skewY:e.skewY,offsetX:i.x-e.left,offsetY:i.y-e.top,originX:u.x,originY:u.y,ex:i.x,ey:i.y,lastX:i.x,lastY:i.y,theta:K(e.angle),width:e.width,height:e.height,shiftKey:t.shiftKey,altKey:c,original:_(_({},dn(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){const{x:e,y:s,deltaX:r,deltaY:i}=this._groupSelector,n=new x(e,s).transform(this.viewportTransform),a=new x(e+r,s+i).transform(this.viewportTransform),l=this.selectionLineWidth/2;let h=Math.min(n.x,a.x),c=Math.min(n.y,a.y),u=Math.max(n.x,a.x),d=Math.max(n.y,a.y);this.selectionColor&&(t.fillStyle=this.selectionColor,t.fillRect(h,c,u-h,d-c)),this.selectionLineWidth&&this.selectionBorderColor&&(t.lineWidth=this.selectionLineWidth,t.strokeStyle=this.selectionBorderColor,h+=l,c+=l,u-=l,d-=l,at.prototype._setLineDash.call(this,t,this.selectionDashArray),t.strokeRect(h,c,u-h,d-c))}findTarget(t){if(this.skipTargetFind)return;const e=this.getViewportPoint(t),s=this._activeObject,r=this.getActiveObjects();if(this.targets=[],s&&r.length>=1){if(s.findControl(e,Or(t))||r.length>1&&this.searchPossibleTargets([s],e))return s;if(s===this.searchPossibleTargets([s],e)){if(this.preserveObjectStacking){const i=this.targets;this.targets=[];const n=this.searchPossibleTargets(this._objects,e);return t[this.altSelectionKey]&&n&&n!==s?(this.targets=i,s):n}return s}}return this.searchPossibleTargets(this._objects,e)}_pointIsInObjectSelectionArea(t,e){let s=t.getCoords();const r=this.getZoom(),i=t.padding/r;if(i){const[n,a,l,h]=s,c=Math.atan2(a.y-n.y,a.x-n.x),u=qt(c)*i,d=Kt(c)*i,g=u+d,m=u-d;s=[new x(n.x-m,n.y-g),new x(a.x+g,a.y-m),new x(l.x+m,l.y+g),new x(h.x-g,h.y+m)]}return N.isPointInPolygon(e,s)}_checkTarget(t,e){return!!(t&&t.visible&&t.evented&&this._pointIsInObjectSelectionArea(t,Oe(e,void 0,this.viewportTransform))&&(!this.perPixelTargetFind&&!t.perPixelTargetFind||t.isEditing||!this.isTargetTransparent(t,e.x,e.y)))}_searchPossibleTargets(t,e){let s=t.length;for(;s--;){const r=t[s];if(this._checkTarget(r,e)){if(Es(r)&&r.subTargetCheck){const i=this._searchPossibleTargets(r._objects,e);i&&this.targets.push(i)}return r}}}searchPossibleTargets(t,e){const s=this._searchPossibleTargets(t,e);if(s&&Es(s)&&s.interactive&&this.targets[0]){const r=this.targets;for(let i=r.length-1;i>0;i--){const n=r[i];if(!Es(n)||!n.interactive)return n}return r[0]}return s}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&&arguments[1]!==void 0&&arguments[1];const s=this.upperCanvasEl,r=s.getBoundingClientRect();let i=Ro(t),n=r.width||0,a=r.height||0;n&&a||(gt in r&&Sr in r&&(a=Math.abs(r.top-r.bottom)),U in r&&R in r&&(n=Math.abs(r.right-r.left))),this.calcOffset(),i.x=i.x-this._offset.left,i.y=i.y-this._offset.top,e||(i=Oe(i,void 0,this.viewportTransform));const l=this.getRetinaScaling();l!==1&&(i.x/=l,i.y/=l);const h=n===0||a===0?new x(1,1):new x(s.width/n,s.height/a);return i.multiply(h)}_setDimensionsImpl(t,e){this._resetTransformEventData(),super._setDimensionsImpl(t,e),this._isCurrentlyDrawing&&this.freeDrawingBrush&&this.freeDrawingBrush._setBrushStyles(this.contextTop)}_createCacheCanvas(){this.pixelFindCanvasEl=$t(),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(){const t=this._activeObject;return ue(t)?t.getObjects():t?[t]:[]}_fireSelectionEvents(t,e){let s=!1,r=!1;const i=this.getActiveObjects(),n=[],a=[];t.forEach((l=>{i.includes(l)||(s=!0,l.fire("deselected",{e,target:l}),a.push(l))})),i.forEach((l=>{t.includes(l)||(s=!0,l.fire("selected",{e,target:l}),n.push(l))})),t.length>0&&i.length>0?(r=!0,s&&this.fire("selection:updated",{e,selected:n,deselected:a})):i.length>0?(r=!0,this.fire("selection:created",{e,selected:n})):t.length>0&&(r=!0,this.fire("selection:cleared",{e,deselected:a})),r&&(this._objectsToRender=void 0)}setActiveObject(t,e){const s=this.getActiveObjects(),r=this._setActiveObject(t,e);return this._fireSelectionEvents(s,e),r}_setActiveObject(t,e){const s=this._activeObject;return s!==t&&!(!this._discardActiveObject(e,t)&&this._activeObject)&&!t.onSelect({e})&&(this._activeObject=t,ue(t)&&s!==t&&t.set("canvas",this),t.setCoords(),!0)}_discardActiveObject(t,e){const s=this._activeObject;return!!s&&!s.onDeselect({e:t,object:e})&&(this._currentTransform&&this._currentTransform.target===s&&this.endCurrentTransform(t),ue(s)&&s===this._hoveredTarget&&(this._hoveredTarget=void 0),this._activeObject=void 0,!0)}discardActiveObject(t){const e=this.getActiveObjects(),s=this.getActiveObject();e.length&&this.fire("before:selection:cleared",{e:t,deselected:[s]});const r=this._discardActiveObject(t);return this._fireSelectionEvents(e,t),r}endCurrentTransform(t){const e=this._currentTransform;this._finalizeCurrentTransform(t),e&&e.target&&(e.target.isMoving=!1),this._currentTransform=null}_finalizeCurrentTransform(t){const e=this._currentTransform,s=e.target,r={e:t,target:s,transform:e,action:e.action};s._scaling&&(s._scaling=!1),s.setCoords(),e.actionPerformed&&(this.fire("object:modified",r),s.fire(Vs,r))}setViewportTransform(t){super.setViewportTransform(t);const e=this._activeObject;e&&e.setCoords()}destroy(){const t=this._activeObject;ue(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){const e=this._activeObject;e&&e._renderControls(t)}_toObject(t,e,s){const r=this._realizeGroupTransformOnObject(t),i=super._toObject(t,e,s);return t.set(r),i}_realizeGroupTransformOnObject(t){const{group:e}=t;if(e&&ue(e)&&this._activeObject===e){const s=Fe(t,["angle","flipX","flipY",R,mt,wt,Ee,je,gt]);return Vo(t,e.calcOwnMatrix()),s}return{}}_setSVGObject(t,e,s){const r=this._realizeGroupTransformOnObject(e);super._setSVGObject(t,e,s),e.set(r)}}y(ir,"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,hoverCursor:"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 Tl{constructor(t){y(this,"targets",[]),y(this,"__disposer",void 0);const e=()=>{const{hiddenTextarea:r}=t.getActiveObject()||{};r&&r.focus()},s=t.upperCanvasEl;s.addEventListener("click",e),this.__disposer=()=>s.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),we(this.targets,t)}register(t){this.target=t}unregister(t){t===this.target&&(this.target=void 0)}onMouseMove(t){var e;!((e=this.target)===null||e===void 0)&&e.isEditing&&this.target.updateSelectionOnMouseMove(t)}clear(){this.targets=[],this.target=void 0}dispose(){this.clear(),this.__disposer(),delete this.__disposer}}const Ol=["target","oldTarget","fireCanvas","e"],vt={passive:!1},Ce=(o,t)=>{const e=o.getViewportPoint(t),s=o.getScenePoint(t);return{viewportPoint:e,scenePoint:s,pointer:e,absolutePointer:s}},ie=function(o){for(var t=arguments.length,e=new Array(t>1?t-1:0),s=1;s<t;s++)e[s-1]=arguments[s];return o.addEventListener(...e)},_t=function(o){for(var t=arguments.length,e=new Array(t>1?t-1:0),s=1;s<t;s++)e[s-1]=arguments[s];return o.removeEventListener(...e)},kl={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 Fr extends ir{constructor(t){super(t,arguments.length>1&&arguments[1]!==void 0?arguments[1]:{}),y(this,"_isClick",void 0),y(this,"textEditingManager",new Tl(this)),["_onMouseDown","_onTouchStart","_onMouseMove","_onMouseUp","_onTouchEnd","_onResize","_onMouseWheel","_onMouseOut","_onMouseEnter","_onContextMenu","_onClick","_onDragStart","_onDragEnd","_onDragProgress","_onDragOver","_onDragEnter","_onDragLeave","_onDrop"].forEach((e=>{this[e]=this[e].bind(this)})),this.addOrRemove(ie,"add")}_getEventPrefix(){return this.enablePointerEvents?"pointer":"mouse"}addOrRemove(t,e){const s=this.upperCanvasEl,r=this._getEventPrefix();t(hn(s),"resize",this._onResize),t(s,r+"down",this._onMouseDown),t(s,"".concat(r,"move"),this._onMouseMove,vt),t(s,"".concat(r,"out"),this._onMouseOut),t(s,"".concat(r,"enter"),this._onMouseEnter),t(s,"wheel",this._onMouseWheel,{passive:!1}),t(s,"contextmenu",this._onContextMenu),t(s,"click",this._onClick),t(s,"dblclick",this._onClick),t(s,"dragstart",this._onDragStart),t(s,"dragend",this._onDragEnd),t(s,"dragover",this._onDragOver),t(s,"dragenter",this._onDragEnter),t(s,"dragleave",this._onDragLeave),t(s,"drop",this._onDrop),this.enablePointerEvents||t(s,"touchstart",this._onTouchStart,vt)}removeListeners(){this.addOrRemove(_t,"remove");const t=this._getEventPrefix(),e=Dt(this.upperCanvasEl);_t(e,"".concat(t,"up"),this._onMouseUp),_t(e,"touchend",this._onTouchEnd,vt),_t(e,"".concat(t,"move"),this._onMouseMove,vt),_t(e,"touchmove",this._onMouseMove,vt),clearTimeout(this._willAddMouseDown)}_onMouseWheel(t){this.__onMouseWheel(t)}_onMouseOut(t){const e=this._hoveredTarget,s=_({e:t},Ce(this,t));this.fire("mouse:out",_(_({},s),{},{target:e})),this._hoveredTarget=void 0,e&&e.fire("mouseout",_({},s)),this._hoveredTargets.forEach((r=>{this.fire("mouse:out",_(_({},s),{},{target:r})),r&&r.fire("mouseout",_({},s))})),this._hoveredTargets=[]}_onMouseEnter(t){this._currentTransform||this.findTarget(t)||(this.fire("mouse:over",_({e:t},Ce(this,t))),this._hoveredTarget=void 0,this._hoveredTargets=[])}_onDragStart(t){this._isClick=!1;const e=this.getActiveObject();if(e&&e.onDragStart(t)){this._dragSource=e;const s={e:t,target:e};return this.fire("dragstart",s),e.fire("dragstart",s),void ie(this.upperCanvasEl,"drag",this._onDragProgress)}ci(t)}_renderDragEffects(t,e,s){let r=!1;const i=this._dropTarget;i&&i!==e&&i!==s&&(i.clearContextTop(),r=!0),e?.clearContextTop(),s!==e&&s?.clearContextTop();const n=this.contextTop;n.save(),n.transform(...this.viewportTransform),e&&(n.save(),e.transform(n),e.renderDragSourceEffect(t),n.restore(),r=!0),s&&(n.save(),s.transform(n),s.renderDropTargetEffect(t),n.restore(),r=!0),n.restore(),r&&(this.contextTopDirty=!0)}_onDragEnd(t){const e=!!t.dataTransfer&&t.dataTransfer.dropEffect!==ft,s=e?this._activeObject:void 0,r={e:t,target:this._dragSource,subTargets:this.targets,dragSource:this._dragSource,didDrop:e,dropTarget:s};_t(this.upperCanvasEl,"drag",this._onDragProgress),this.fire("dragend",r),this._dragSource&&this._dragSource.fire("dragend",r),delete this._dragSource,this._onMouseUp(t)}_onDragProgress(t){const 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){const e="dragover",{target:s,targets:r}=this.findDragTargets(t),i=this._dragSource,n={e:t,target:s,subTargets:r,dragSource:i,canDrop:!1,dropTarget:void 0};let a;this.fire(e,n),this._fireEnterLeaveEvents(s,n),s&&(s.canDrop(t)&&(a=s),s.fire(e,n));for(let l=0;l<r.length;l++){const h=r[l];h.canDrop(t)&&(a=h),h.fire(e,n)}this._renderDragEffects(t,i,a),this._dropTarget=a}_onDragEnter(t){const{target:e,targets:s}=this.findDragTargets(t),r={e:t,target:e,subTargets:s,dragSource:this._dragSource};this.fire("dragenter",r),this._fireEnterLeaveEvents(e,r)}_onDragLeave(t){const 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){const{target:e,targets:s}=this.findDragTargets(t),r=this._basicEventHandler("drop:before",_({e:t,target:e,subTargets:s,dragSource:this._dragSource},Ce(this,t)));r.didDrop=!1,r.dropTarget=void 0,this._basicEventHandler("drop",r),this.fire("drop:after",r)}_onContextMenu(t){const e=this.findTarget(t),s=this.targets||[],r=this._basicEventHandler("contextmenu:before",{e:t,target:e,subTargets:s});return this.stopContextMenu&&ci(t),this._basicEventHandler("contextmenu",r),!1}_onClick(t){const e=t.detail;e>3||e<2||(this._cacheTransformEventData(t),e==2&&t.type==="dblclick"&&this._handleEvent(t,"dblclick"),e==3&&this._handleEvent(t,"tripleclick"),this._resetTransformEventData())}getPointerId(t){const e=t.changedTouches;return e?e[0]&&e[0].identifier:this.enablePointerEvents?t.pointerId:-1}_isMainEvent(t){return t.isPrimary===!0||t.isPrimary!==!1&&(t.type==="touchend"&&t.touches.length===0||!t.changedTouches||t.changedTouches[0].identifier===this.mainTouchId)}_onTouchStart(t){let e=!this.allowTouchScrolling;const s=this._activeObject;this.mainTouchId===void 0&&(this.mainTouchId=this.getPointerId(t)),this.__onMouseDown(t),(this.isDrawingMode||s&&this._target===s)&&(e=!0),e&&t.preventDefault(),this._resetTransformEventData();const r=this.upperCanvasEl,i=this._getEventPrefix(),n=Dt(r);ie(n,"touchend",this._onTouchEnd,vt),e&&ie(n,"touchmove",this._onMouseMove,vt),_t(r,"".concat(i,"down"),this._onMouseDown)}_onMouseDown(t){this.__onMouseDown(t),this._resetTransformEventData();const e=this.upperCanvasEl,s=this._getEventPrefix();_t(e,"".concat(s,"move"),this._onMouseMove,vt);const r=Dt(e);ie(r,"".concat(s,"up"),this._onMouseUp),ie(r,"".concat(s,"move"),this._onMouseMove,vt)}_onTouchEnd(t){if(t.touches.length>0)return;this.__onMouseUp(t),this._resetTransformEventData(),delete this.mainTouchId;const e=this._getEventPrefix(),s=Dt(this.upperCanvasEl);_t(s,"touchend",this._onTouchEnd,vt),_t(s,"touchmove",this._onMouseMove,vt),this._willAddMouseDown&&clearTimeout(this._willAddMouseDown),this._willAddMouseDown=setTimeout((()=>{ie(this.upperCanvasEl,"".concat(e,"down"),this._onMouseDown),this._willAddMouseDown=0}),400)}_onMouseUp(t){this.__onMouseUp(t),this._resetTransformEventData();const e=this.upperCanvasEl,s=this._getEventPrefix();if(this._isMainEvent(t)){const r=Dt(this.upperCanvasEl);_t(r,"".concat(s,"up"),this._onMouseUp),_t(r,"".concat(s,"move"),this._onMouseMove,vt),ie(e,"".concat(s,"move"),this._onMouseMove,vt)}}_onMouseMove(t){const e=this.getActiveObject();!this.allowTouchScrolling&&(!e||!e.shouldStartDragging(t))&&t.preventDefault&&t.preventDefault(),this.__onMouseMove(t)}_onResize(){this.calcOffset(),this._resetTransformEventData()}_shouldRender(t){const e=this.getActiveObject();return!!e!=!!t||e&&t&&e!==t}__onMouseUp(t){var e;this._cacheTransformEventData(t),this._handleEvent(t,"up:before");const s=this._currentTransform,r=this._isClick,i=this._target,{button:n}=t;if(n)return(this.fireMiddleClick&&n===1||this.fireRightClick&&n===2)&&this._handleEvent(t,"up"),void this._resetTransformEventData();if(this.isDrawingMode&&this._isCurrentlyDrawing)return void this._onMouseUpInDrawingMode(t);if(!this._isMainEvent(t))return;let a,l,h=!1;if(s&&(this._finalizeCurrentTransform(t),h=s.actionPerformed),!r){const c=i===this._activeObject;this.handleSelection(t),h||(h=this._shouldRender(i)||!c&&i===this._activeObject)}if(i){const c=i.findControl(this.getViewportPoint(t),Or(t)),{key:u,control:d}=c||{};if(l=u,i.selectable&&i!==this._activeObject&&i.activeOn==="up")this.setActiveObject(i,t),h=!0;else if(d){const g=d.getMouseUpHandler(t,i,d);g&&(a=this.getScenePoint(t),g.call(d,t,s,a.x,a.y))}i.isMoving=!1}if(s&&(s.target!==i||s.corner!==l)){const c=s.target&&s.target.controls[s.corner],u=c&&c.getMouseUpHandler(t,s.target,c);a=a||this.getScenePoint(t),u&&u.call(c,t,s,a.x,a.y)}this._setCursorFromEvent(t,i),this._handleEvent(t,"up"),this._groupSelector=null,this._currentTransform=null,i&&(i.__corner=void 0),h?this.requestRenderAll():r||(e=this._activeObject)!==null&&e!==void 0&&e.isEditing||this.renderTop()}_basicEventHandler(t,e){const{target:s,subTargets:r=[]}=e;this.fire(t,e),s&&s.fire(t,e);for(let i=0;i<r.length;i++)r[i]!==s&&r[i].fire(t,e);return e}_handleEvent(t,e,s){const r=this._target,i=this.targets||[],n=_(_(_({e:t,target:r,subTargets:i},Ce(this,t)),{},{transform:this._currentTransform},e==="up:before"||e==="up"?{isClick:this._isClick,currentTarget:this.findTarget(t),currentSubTargets:this.targets}:{}),e==="down:before"||e==="down"?s:{});this.fire("mouse:".concat(e),n),r&&r.fire("mouse".concat(e),n);for(let a=0;a<i.length;a++)i[a]!==r&&i[a].fire("mouse".concat(e),n)}_onMouseDownInDrawingMode(t){this._isCurrentlyDrawing=!0,this.getActiveObject()&&(this.discardActiveObject(t),this.requestRenderAll());const 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){const e=this.getScenePoint(t);this.freeDrawingBrush&&this.freeDrawingBrush.onMouseMove(e,{e:t,pointer:e})}this.setCursor(this.freeDrawingCursor),this._handleEvent(t,"move")}_onMouseUpInDrawingMode(t){const 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,s=!!e&&e===this._activeObject;const{button:r}=t;if(r)return(this.fireMiddleClick&&r===1||this.fireRightClick&&r===2)&&this._handleEvent(t,"down",{alreadySelected:s}),void this._resetTransformEventData();if(this.isDrawingMode)return void this._onMouseDownInDrawingMode(t);if(!this._isMainEvent(t)||this._currentTransform)return;let i=this._shouldRender(e),n=!1;if(this.handleMultiSelection(t,e)?(e=this._activeObject,n=!0,i=!0):this._shouldClearSelection(t,e)&&this.discardActiveObject(t),this.selection&&(!e||!e.selectable&&!e.isEditing&&e!==this._activeObject)){const a=this.getScenePoint(t);this._groupSelector={x:a.x,y:a.y,deltaY:0,deltaX:0}}if(s=!!e&&e===this._activeObject,e){e.selectable&&e.activeOn==="down"&&this.setActiveObject(e,t);const a=e.findControl(this.getViewportPoint(t),Or(t));if(e===this._activeObject&&(a||!n)){this._setupCurrentTransform(t,e,s);const l=a?a.control:void 0,h=this.getScenePoint(t),c=l&&l.getMouseDownHandler(t,e,l);c&&c.call(l,t,this._currentTransform,h.x,h.y)}}i&&(this._objectsToRender=void 0),this._handleEvent(t,"down",{alreadySelected:s}),i&&this.requestRenderAll()}_resetTransformEventData(){this._target=this._pointer=this._absolutePointer=void 0}_cacheTransformEventData(t){this._resetTransformEventData(),this._pointer=this.getViewportPoint(t),this._absolutePointer=Oe(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;const e=this._groupSelector;if(e){const s=this.getScenePoint(t);e.deltaX=s.x-e.x,e.deltaY=s.y-e.y,this.renderTop()}else if(this._currentTransform)this._transformObject(t);else{const s=this.findTarget(t);this._setCursorFromEvent(t,s),this._fireOverOutEvents(t,s)}this.textEditingManager.onMouseMove(t),this._handleEvent(t,"move"),this._resetTransformEventData()}_fireOverOutEvents(t,e){const s=this._hoveredTarget,r=this._hoveredTargets,i=this.targets,n=Math.max(r.length,i.length);this.fireSyntheticInOutEvents("mouse",{e:t,target:e,oldTarget:s,fireCanvas:!0});for(let a=0;a<n;a++)i[a]===e||r[a]&&r[a]===s||this.fireSyntheticInOutEvents("mouse",{e:t,target:i[a],oldTarget:r[a]});this._hoveredTarget=e,this._hoveredTargets=this.targets.concat()}_fireEnterLeaveEvents(t,e){const s=this._draggedoverTarget,r=this._hoveredTargets,i=this.targets,n=Math.max(r.length,i.length);this.fireSyntheticInOutEvents("drag",_(_({},e),{},{target:t,oldTarget:s,fireCanvas:!0}));for(let a=0;a<n;a++)this.fireSyntheticInOutEvents("drag",_(_({},e),{},{target:i[a],oldTarget:r[a]}));this._draggedoverTarget=t}fireSyntheticInOutEvents(t,e){let{target:s,oldTarget:r,fireCanvas:i,e:n}=e,a=z(e,Ol);const{targetIn:l,targetOut:h,canvasIn:c,canvasOut:u}=kl[t],d=r!==s;if(r&&d){const g=_(_({},a),{},{e:n,target:r,nextTarget:s},Ce(this,n));i&&this.fire(u,g),r.fire(h,g)}if(s&&d){const g=_(_({},a),{},{e:n,target:s,previousTarget:r},Ce(this,n));i&&this.fire(c,g),s.fire(l,g)}}__onMouseWheel(t){this._cacheTransformEventData(t),this._handleEvent(t,"wheel"),this._resetTransformEventData()}_transformObject(t){const e=this.getScenePoint(t),s=this._currentTransform,r=s.target,i=r.group?Oe(e,void 0,r.group.calcTransformMatrix()):e;s.shiftKey=t.shiftKey,s.altKey=!!this.centeredKey&&t[this.centeredKey],this._performTransformAction(t,s,i),s.actionPerformed&&this.requestRenderAll()}_performTransformAction(t,e,s){const{action:r,actionHandler:i,target:n}=e,a=!!i&&i(t,e,s.x,s.y);a&&n.setCoords(),r==="drag"&&a&&(e.target.isMoving=!0,this.setCursor(e.target.moveCursor||this.moveCursor)),e.actionPerformed=e.actionPerformed||a}_setCursorFromEvent(t,e){if(!e)return void this.setCursor(this.defaultCursor);let s=e.hoverCursor||this.hoverCursor;const r=ue(this._activeObject)?this._activeObject:null,i=(!r||e.group!==r)&&e.findControl(this.getViewportPoint(t));if(i){const n=i.control;this.setCursor(n.cursorStyleHandler(t,n,e))}else e.subTargetCheck&&this.targets.concat().reverse().map((n=>{s=n.hoverCursor||s})),this.setCursor(s)}handleMultiSelection(t,e){const s=this._activeObject,r=ue(s);if(s&&this._isSelectionKeyPressed(t)&&this.selection&&e&&e.selectable&&(s!==e||r)&&(r||!e.isDescendantOf(s)&&!s.isDescendantOf(e))&&!e.onSelect({e:t})&&!s.getActiveControl()){if(r){const i=s.getObjects();if(e===s){const n=this.getViewportPoint(t);if(!(e=this.searchPossibleTargets(i,n)||this.searchPossibleTargets(this._objects,n))||!e.selectable)return!1}e.group===s?(s.remove(e),this._hoveredTarget=e,this._hoveredTargets=[...this.targets],s.size()===1&&this._setActiveObject(s.item(0),t)):(s.multiSelectAdd(e),this._hoveredTarget=s,this._hoveredTargets=[...this.targets]),this._fireSelectionEvents(i,t)}else{s.isEditing&&s.exitEditing();const i=new(k.getClass("ActiveSelection"))([],{canvas:this});i.multiSelectAdd(s,e),this._hoveredTarget=i,this._setActiveObject(i,t),this._fireSelectionEvents([s],t)}return!0}return!1}handleSelection(t){if(!this.selection||!this._groupSelector)return!1;const{x:e,y:s,deltaX:r,deltaY:i}=this._groupSelector,n=new x(e,s),a=n.add(new x(r,i)),l=n.min(a),h=n.max(a).subtract(l),c=this.collectObjects({left:l.x,top:l.y,width:h.x,height:h.y},{includeIntersecting:!this.selectionFullyContained}),u=n.eq(a)?c[0]?[c[0]]:[]:c.length>1?c.filter((d=>!d.onSelect({e:t}))).reverse():c;if(u.length===1)this.setActiveObject(u[0],t);else if(u.length>1){const d=k.getClass("ActiveSelection");this.setActiveObject(new d(u,{canvas:this}),t)}return this._groupSelector=null,!0}toCanvasElement(){let t=arguments.length>0&&arguments[0]!==void 0?arguments[0]:1,e=arguments.length>1?arguments[1]:void 0;const{upper:s}=this.elements;s.ctx=void 0;const r=super.toCanvasElement(t,e);return s.ctx=s.el.getContext("2d"),r}clear(){this.textEditingManager.clear(),super.clear()}destroy(){this.removeListeners(),this.textEditingManager.dispose(),super.destroy()}}const Xn={x1:0,y1:0,x2:0,y2:0},Dl=_(_({},Xn),{},{r1:0,r2:0}),Te=(o,t)=>isNaN(o)&&typeof t=="number"?t:o;function Yn(o){return o&&/%$/.test(o)&&Number.isFinite(parseFloat(o))}function Wn(o,t){const e=typeof o=="number"?o:typeof o=="string"?parseFloat(o)/(Yn(o)?100:1):NaN;return Me(0,Te(e,t),1)}const Ml=/\s*;\s*/,Pl=/\s*:\s*/;function El(o,t){let e,s;const r=o.getAttribute("style");if(r){const n=r.split(Ml);n[n.length-1]===""&&n.pop();for(let a=n.length;a--;){const[l,h]=n[a].split(Pl).map((c=>c.trim()));l==="stop-color"?e=h:l==="stop-opacity"&&(s=h)}}const i=new I(e||o.getAttribute("stop-color")||"rgb(0,0,0)");return{offset:Wn(o.getAttribute("offset"),0),color:i.toRgb(),opacity:Te(parseFloat(s||o.getAttribute("stop-opacity")||""),1)*i.getAlpha()*t}}function jl(o,t){const 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l[c]=r,l}),{})})(Gn(o)==="linear"?(function(e){return{x1:Tt(e,"x1")||0,y1:Tt(e,"y1")||0,x2:Tt(e,"x2")||"100%",y2:Tt(e,"y2")||0}})(o):(function(e){return{x1:Tt(e,"fx")||Tt(e,"cx")||"50%",y1:Tt(e,"fy")||Tt(e,"cy")||"50%",r1:0,x2:Tt(e,"cx")||"50%",y2:Tt(e,"cy")||"50%",r2:Tt(e,"r")||"50%"}})(o),_(_({},t),{},{gradientUnits:zn(o)}))}class ws{constructor(t){const{type:e="linear",gradientUnits:s="pixels",coords:r={},colorStops:i=[],offsetX:n=0,offsetY:a=0,gradientTransform:l,id:h}=t||{};Object.assign(this,{type:e,gradientUnits:s,coords:_(_({},e==="radial"?Dl:Xn),r),colorStops:i,offsetX:n,offsetY:a,gradientTransform:l,id:h?"".concat(h,"_").concat(ae()):ae()})}addColorStop(t){for(const e in t){const s=new I(t[e]);this.colorStops.push({offset:parseFloat(e),color:s.toRgb(),opacity:s.getAlpha()})}return this}toObject(t){return _(_({},Fe(this,t)),{},{type:this.type,coords:_({},this.coords),colorStops:this.colorStops.map((e=>_({},e))),offsetX:this.offsetX,offsetY:this.offsetY,gradientUnits:this.gradientUnits,gradientTransform:this.gradientTransform?[...this.gradientTransform]:void 0})}toSVG(t){let{additionalTransform:e}=arguments.length>1&&arguments[1]!==void 0?arguments[1]:{};const s=[],r=this.gradientTransform?this.gradientTransform.concat():ct.concat(),i=this.gradientUnits==="pixels"?"userSpaceOnUse":"objectBoundingBox",n=this.colorStops.map((u=>_({},u))).sort(((u,d)=>u.offset-d.offset));let a=-this.offsetX,l=-this.offsetY;var h;i==="objectBoundingBox"?(a/=t.width,l/=t.height):(a+=t.width/2,l+=t.height/2),(h=t)&&typeof h._renderPathCommands=="function"&&this.gradientUnits!=="percentage"&&(a-=t.pathOffset.x,l-=t.pathOffset.y),r[4]-=a,r[5]-=l;const c=['id="SVGID_'.concat(this.id,'"'),'gradientUnits="'.concat(i,'"'),'gradientTransform="'.concat(e?e+" ":"").concat(us(r),'"'),""].join(" 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45`),s.join("")}toLive(t){const{x1:e,y1:s,x2:r,y2:i,r1:n,r2:a}=this.coords,l=this.type==="linear"?t.createLinearGradient(e,s,r,i):t.createRadialGradient(e,s,n,r,i,a);return this.colorStops.forEach((h=>{let{color:c,opacity:u,offset:d}=h;l.addColorStop(d,u!==void 0?new I(c).setAlpha(u).toRgba():c)})),l}static async fromObject(t){const{colorStops:e,gradientTransform:s}=t;return new this(_(_({},t),{},{colorStops:e?e.map((r=>_({},r))):void 0,gradientTransform:s?[...s]:void 0}))}static fromElement(t,e,s){const r=zn(t),i=e._findCenterFromElement();return new this(_({id:t.getAttribute("id")||void 0,type:Gn(t),coords:Al(t,{width:s.viewBoxWidth||s.width,height:s.viewBoxHeight||s.height}),colorStops:jl(t,s.opacity),gradientUnits:r,gradientTransform:Pr(t.getAttribute("gradientTransform")||"")},r==="pixels"?{offsetX:e.width/2-i.x,offsetY:e.height/2-i.y}:{offsetX:0,offsetY:0}))}}y(ws,"type","Gradient"),k.setClass(ws,"gradient"),k.setClass(ws,"linear"),k.setClass(ws,"radial");const Fl=["type","source","patternTransform"];class pr{get type(){return"pattern"}set type(t){oe("warn","Setting type has no effect",t)}constructor(t){y(this,"repeat","repeat"),y(this,"offsetX",0),y(this,"offsetY",0),y(this,"crossOrigin",""),this.id=ae(),Object.assign(this,t)}isImageSource(){return!!this.source&&typeof this.source.src=="string"}isCanvasSource(){return!!this.source&&!!this.source.toDataURL}sourceToString(){return this.isImageSource()?this.source.src:this.isCanvasSource()?this.source.toDataURL():""}toLive(t){return this.source&&(!this.isImageSource()||this.source.complete&&this.source.naturalWidth!==0&&this.source.naturalHeight!==0)?t.createPattern(this.source,this.repeat):null}toObject(){let t=arguments.length>0&&arguments[0]!==void 0?arguments[0]:[];const{repeat:e,crossOrigin:s}=this;return _(_({},Fe(this,t)),{},{type:"pattern",source:this.sourceToString(),repeat:e,crossOrigin:s,offsetX:G(this.offsetX,F.NUM_FRACTION_DIGITS),offsetY:G(this.offsetY,F.NUM_FRACTION_DIGITS),patternTransform:this.patternTransform?[...this.patternTransform]:null})}toSVG(t){let{width:e,height:s}=t;const{source:r,repeat:i,id:n}=this,a=Te(this.offsetX/e,0),l=Te(this.offsetY/s,0),h=i==="repeat-y"||i==="no-repeat"?1+Math.abs(a||0):Te(r.width/e,0),c=i==="repeat-x"||i==="no-repeat"?1+Math.abs(l||0):Te(r.height/s,0);return['<pattern id="SVGID_'.concat(n,'" x="').concat(a,'" y="').concat(l,'" width="').concat(h,'" height="').concat(c,'">'),'<image x="0" y="0" width="'.concat(r.width,'" height="').concat(r.height,'" xlink:href="').concat(this.sourceToString(),'"></image>'),"</pattern>",""].join(`
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48`];{const{radius:e}=this,s=K(this.startAngle),r=K(this.endAngle),i=qt(s)*e,n=Kt(s)*e,a=qt(r)*e,l=Kt(r)*e,h=t>180?1:0,c=this.counterClockwise?0:1;return['<path d="M '.concat(i," ").concat(n," A ").concat(e," ").concat(e," 0 ").concat(h," ").concat(c," ").concat(a," ").concat(l,'" '),"COMMON_PARTS",` />
49`]}}static async fromElement(t,e,s){const r=te(t,this.ATTRIBUTE_NAMES,s),{left:i=0,top:n=0,radius:a=0}=r;return new this(_(_({},z(r,Rl)),{},{radius:a,left:i-a,top:n-a}))}static fromObject(t){return super._fromObject(t)}}y(Yt,"type","Circle"),y(Yt,"cacheProperties",[...Qt,...Nn]),y(Yt,"ownDefaults",{radius:0,startAngle:0,endAngle:360,counterClockwise:!1}),y(Yt,"ATTRIBUTE_NAMES",["cx","cy","r",...he]),k.setClass(Yt),k.setSVGClass(Yt);const Il=["x1","y1","x2","y2"],Vl=["x1","y1","x2","y2"],Lr=["x1","x2","y1","y2"];class Gt extends at{constructor(){let[t,e,s,r]=arguments.length>0&&arguments[0]!==void 0?arguments[0]:[0,0,0,0],i=arguments.length>1&&arguments[1]!==void 0?arguments[1]:{};super(),Object.assign(this,Gt.ownDefaults),this.setOptions(i),this.x1=t,this.x2=s,this.y1=e,this.y2=r,this._setWidthHeight();const{left:n,top:a}=i;typeof n=="number"&&this.set(R,n),typeof a=="number"&&this.set(gt,a)}_setWidthHeight(){const{x1:t,y1:e,x2:s,y2:r}=this;this.width=Math.abs(s-t),this.height=Math.abs(r-e);const{left:i,top:n,width:a,height:l}=Ht([{x:t,y:e},{x:s,y:r}]),h=new x(i+a/2,n+l/2);this.setPositionByOrigin(h,j,j)}_set(t,e){return super._set(t,e),Lr.includes(t)&&this._setWidthHeight(),this}_render(t){t.beginPath();const e=this.calcLinePoints();t.moveTo(e.x1,e.y1),t.lineTo(e.x2,e.y2),t.lineWidth=this.strokeWidth;const s=t.strokeStyle;var r;Ct(this.stroke)?t.strokeStyle=this.stroke.toLive(t):t.strokeStyle=(r=this.stroke)!==null&&r!==void 0?r:t.fillStyle,this.stroke&&this._renderStroke(t),t.strokeStyle=s}_findCenterFromElement(){return new x((this.x1+this.x2)/2,(this.y1+this.y2)/2)}toObject(){let t=arguments.length>0&&arguments[0]!==void 0?arguments[0]:[];return _(_({},super.toObject(t)),this.calcLinePoints())}_getNonTransformedDimensions(){const t=super._getNonTransformedDimensions();return this.strokeLineCap==="butt"&&(this.width===0&&(t.y-=this.strokeWidth),this.height===0&&(t.x-=this.strokeWidth)),t}calcLinePoints(){const{x1:t,x2:e,y1:s,y2:r,width:i,height:n}=this,a=t<=e?-1:1,l=s<=r?-1:1;return{x1:a*i/2,x2:a*-i/2,y1:l*n/2,y2:l*-n/2}}_toSVG(){const{x1:t,x2:e,y1:s,y2:r}=this.calcLinePoints();return["<line ","COMMON_PARTS",'x1="'.concat(t,'" y1="').concat(s,'" x2="').concat(e,'" y2="').concat(r,`" />
50`)]}static async fromElement(t,e,s){const r=te(t,this.ATTRIBUTE_NAMES,s),{x1:i=0,y1:n=0,x2:a=0,y2:l=0}=r;return new this([i,n,a,l],z(r,Il))}static fromObject(t){let{x1:e,y1:s,x2:r,y2:i}=t,n=z(t,Vl);return this._fromObject(_(_({},n),{},{points:[e,s,r,i]}),{extraParam:"points"})}}y(Gt,"type","Line"),y(Gt,"cacheProperties",[...Qt,...Lr]),y(Gt,"ATTRIBUTE_NAMES",he.concat(Lr)),k.setClass(Gt),k.setSVGClass(Gt);class ge extends at{static getDefaults(){return _(_({},super.getDefaults()),ge.ownDefaults)}constructor(t){super(),Object.assign(this,ge.ownDefaults),this.setOptions(t)}_render(t){const e=this.width/2,s=this.height/2;t.beginPath(),t.moveTo(-e,s),t.lineTo(0,-s),t.lineTo(e,s),t.closePath(),this._renderPaintInOrder(t)}_toSVG(){const t=this.width/2,e=this.height/2;return["<polygon ","COMMON_PARTS",'points="',"".concat(-t," ").concat(e,",0 ").concat(-e,",").concat(t," ").concat(e),'" />']}}y(ge,"type","Triangle"),y(ge,"ownDefaults",{width:100,height:100}),k.setClass(ge),k.setSVGClass(ge);const Hn=["rx","ry"];class Wt extends at{static getDefaults(){return _(_({},super.getDefaults()),Wt.ownDefaults)}constructor(t){super(),Object.assign(this,Wt.ownDefaults),this.setOptions(t)}_set(t,e){switch(super._set(t,e),t){case"rx":this.rx=e,this.set("width",2*e);break;case"ry":this.ry=e,this.set("height",2*e)}return this}getRx(){return this.get("rx")*this.get(mt)}getRy(){return this.get("ry")*this.get(wt)}toObject(){let t=arguments.length>0&&arguments[0]!==void 0?arguments[0]:[];return super.toObject([...Hn,...t])}_toSVG(){return["<ellipse ","COMMON_PARTS",'cx="0" cy="0" rx="'.concat(this.rx,'" ry="').concat(this.ry,`" />
51`)]}_render(t){t.beginPath(),t.save(),t.transform(1,0,0,this.ry/this.rx,0,0),t.arc(0,0,this.rx,0,Rs,!1),t.restore(),this._renderPaintInOrder(t)}static async fromElement(t,e,s){const r=te(t,this.ATTRIBUTE_NAMES,s);return r.left=(r.left||0)-r.rx,r.top=(r.top||0)-r.ry,new this(r)}}function Xl(o){if(!o)return[];const t=o.replace(/,/g," ").trim().split(/\s+/),e=[];for(let s=0;s<t.length;s+=2)e.push({x:parseFloat(t[s]),y:parseFloat(t[s+1])});return e}y(Wt,"type","Ellipse"),y(Wt,"cacheProperties",[...Qt,...Hn]),y(Wt,"ownDefaults",{rx:0,ry:0}),y(Wt,"ATTRIBUTE_NAMES",[...he,"cx","cy","rx","ry"]),k.setClass(Wt),k.setSVGClass(Wt);const Yl=["left","top"],Un={exactBoundingBox:!1};class kt extends at{static getDefaults(){return _(_({},super.getDefaults()),kt.ownDefaults)}constructor(){let t=arguments.length>0&&arguments[0]!==void 0?arguments[0]:[],e=arguments.length>1&&arguments[1]!==void 0?arguments[1]:{};super(),y(this,"strokeDiff",void 0),Object.assign(this,kt.ownDefaults),this.setOptions(e),this.points=t;const{left:s,top:r}=e;this.initialized=!0,this.setBoundingBox(!0),typeof s=="number"&&this.set(R,s),typeof r=="number"&&this.set(gt,r)}isOpen(){return!0}_projectStrokeOnPoints(t){return Pa(this.points,t,this.isOpen())}_calcDimensions(t){t=_({scaleX:this.scaleX,scaleY:this.scaleY,skewX:this.skewX,skewY:this.skewY,strokeLineCap:this.strokeLineCap,strokeLineJoin:this.strokeLineJoin,strokeMiterLimit:this.strokeMiterLimit,strokeUniform:this.strokeUniform,strokeWidth:this.strokeWidth},t||{});const e=this.exactBoundingBox?this._projectStrokeOnPoints(t).map((h=>h.projectedPoint)):this.points;if(e.length===0)return{left:0,top:0,width:0,height:0,pathOffset:new x,strokeOffset:new x,strokeDiff:new x};const s=Ht(e),r=Js(_(_({},t),{},{scaleX:1,scaleY:1})),i=Ht(this.points.map((h=>dt(h,r,!0)))),n=new x(this.scaleX,this.scaleY);let a=s.left+s.width/2,l=s.top+s.height/2;return this.exactBoundingBox&&(a-=l*Math.tan(K(this.skewX)),l-=a*Math.tan(K(this.skewY))),_(_({},s),{},{pathOffset:new x(a,l),strokeOffset:new x(i.left,i.top).subtract(new x(s.left,s.top)).multiply(n),strokeDiff:new x(s.width,s.height).subtract(new x(i.width,i.height)).multiply(n)})}_findCenterFromElement(){const t=Ht(this.points);return new x(t.left+t.width/2,t.top+t.height/2)}setDimensions(){this.setBoundingBox()}setBoundingBox(t){const{left:e,top:s,width:r,height:i,pathOffset:n,strokeOffset:a,strokeDiff:l}=this._calcDimensions();this.set({width:r,height:i,pathOffset:n,strokeOffset:a,strokeDiff:l}),t&&this.setPositionByOrigin(new x(e+r/2,s+i/2),j,j)}isStrokeAccountedForInDimensions(){return this.exactBoundingBox}_getNonTransformedDimensions(){return this.exactBoundingBox?new x(this.width,this.height):super._getNonTransformedDimensions()}_getTransformedDimensions(){let t=arguments.length>0&&arguments[0]!==void 0?arguments[0]:{};if(this.exactBoundingBox){let n;if(Object.keys(t).some((a=>this.strokeUniform||this.constructor.layoutProperties.includes(a)))){var e,s;const{width:a,height:l}=this._calcDimensions(t);n=new x((e=t.width)!==null&&e!==void 0?e:a,(s=t.height)!==null&&s!==void 0?s:l)}else{var r,i;n=new x((r=t.width)!==null&&r!==void 0?r:this.width,(i=t.height)!==null&&i!==void 0?i:this.height)}return n.multiply(new x(t.scaleX||this.scaleX,t.scaleY||this.scaleY))}return super._getTransformedDimensions(t)}_set(t,e){const s=this.initialized&&this[t]!==e,r=super._set(t,e);return this.exactBoundingBox&&s&&((t===mt||t===wt)&&this.strokeUniform&&this.constructor.layoutProperties.includes("strokeUniform")||this.constructor.layoutProperties.includes(t))&&this.setDimensions(),r}toObject(){let t=arguments.length>0&&arguments[0]!==void 0?arguments[0]:[];return _(_({},super.toObject(t)),{},{points:this.points.map((e=>{let{x:s,y:r}=e;return{x:s,y:r}}))})}_toSVG(){const t=[],e=this.pathOffset.x,s=this.pathOffset.y,r=F.NUM_FRACTION_DIGITS;for(let i=0,n=this.points.length;i<n;i++)t.push(G(this.points[i].x-e,r),",",G(this.points[i].y-s,r)," ");return["<".concat(this.constructor.type.toLowerCase()," "),"COMMON_PARTS",'points="'.concat(t.join(""),`" />
52`)]}_render(t){const e=this.points.length,s=this.pathOffset.x,r=this.pathOffset.y;if(e&&!isNaN(this.points[e-1].y)){t.beginPath(),t.moveTo(this.points[0].x-s,this.points[0].y-r);for(let i=0;i<e;i++){const n=this.points[i];t.lineTo(n.x-s,n.y-r)}!this.isOpen()&&t.closePath(),this._renderPaintInOrder(t)}}complexity(){return this.points.length}static async fromElement(t,e,s){return new this(Xl(t.getAttribute("points")),_(_({},z(te(t,this.ATTRIBUTE_NAMES,s),Yl)),e))}static fromObject(t){return this._fromObject(t,{extraParam:"points"})}}y(kt,"ownDefaults",Un),y(kt,"type","Polyline"),y(kt,"layoutProperties",[Ee,je,"strokeLineCap","strokeLineJoin","strokeMiterLimit","strokeWidth","strokeUniform","points"]),y(kt,"cacheProperties",[...Qt,"points"]),y(kt,"ATTRIBUTE_NAMES",[...he]),k.setClass(kt),k.setSVGClass(kt);class Ss extends kt{isOpen(){return!1}}y(Ss,"ownDefaults",Un),y(Ss,"type","Polygon"),k.setClass(Ss),k.setSVGClass(Ss);class qn extends at{isEmptyStyles(t){if(!this.styles||t!==void 0&&!this.styles[t])return!0;const e=t===void 0?this.styles:{line:this.styles[t]};for(const s in e)for(const r in e[s])for(const i in e[s][r])return!1;return!0}styleHas(t,e){if(!this.styles||e!==void 0&&!this.styles[e])return!1;const s=e===void 0?this.styles:{0:this.styles[e]};for(const r in s)for(const i in s[r])if(s[r][i][t]!==void 0)return!0;return!1}cleanStyle(t){if(!this.styles)return!1;const e=this.styles;let s,r,i=0,n=!0,a=0;for(const l in e){s=0;for(const h in e[l]){const c=e[l][h]||{};i++,c[t]!==void 0?(r?c[t]!==r&&(n=!1):r=c[t],c[t]===this[t]&&delete c[t]):n=!1,Object.keys(c).length!==0?s++:delete e[l][h]}s===0&&delete e[l]}for(let l=0;l<this._textLines.length;l++)a+=this._textLines[l].length;n&&i===a&&(this[t]=r,this.removeStyle(t))}removeStyle(t){if(!this.styles)return;const e=this.styles;let s,r,i;for(r in e){for(i in s=e[r],s)delete s[i][t],Object.keys(s[i]).length===0&&delete s[i];Object.keys(s).length===0&&delete e[r]}}_extendStyles(t,e){const{lineIndex:s,charIndex:r}=this.get2DCursorLocation(t);this._getLineStyle(s)||this._setLineStyle(s);const i=zr(_(_({},this._getStyleDeclaration(s,r)),e),(n=>n!==void 0));this._setStyleDeclaration(s,r,i)}getSelectionStyles(t,e,s){const r=[];for(let i=t;i<(e||t);i++)r.push(this.getStyleAtPosition(i,s));return r}getStyleAtPosition(t,e){const{lineIndex:s,charIndex:r}=this.get2DCursorLocation(t);return e?this.getCompleteStyleDeclaration(s,r):this._getStyleDeclaration(s,r)}setSelectionStyles(t,e,s){for(let r=e;r<(s||e);r++)this._extendStyles(r,t);this._forceClearCache=!0}_getStyleDeclaration(t,e){var s;const r=this.styles&&this.styles[t];return r&&(s=r[e])!==null&&s!==void 0?s:{}}getCompleteStyleDeclaration(t,e){return _(_({},Fe(this,this.constructor._styleProperties)),this._getStyleDeclaration(t,e))}_setStyleDeclaration(t,e,s){this.styles[t][e]=s}_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]}}y(qn,"_styleProperties",Ho);const Wl=/  +/g,Gl=/"/g;function mr(o,t,e,s,r){return"		".concat((function(i,n){let{left:a,top:l,width:h,height:c}=n,u=arguments.length>2&&arguments[2]!==void 0?arguments[2]:F.NUM_FRACTION_DIGITS;const d=ds(Q,i,!1),[g,m,v,p]=[a,l,h,c].map((f=>G(f,u)));return"<rect ".concat(d,' x="').concat(g,'" y="').concat(m,'" width="').concat(v,'" height="').concat(p,'"></rect>')})(o,{left:t,top:e,width:s,height:r}),`
53`)}const zl=["textAnchor","textDecoration","dx","dy","top","left","fontSize","strokeWidth"];let vr;class lt extends qn{static getDefaults(){return _(_({},super.getDefaults()),lt.ownDefaults)}constructor(t,e){super(),y(this,"__charBounds",[]),Object.assign(this,lt.ownDefaults),this.setOptions(e),this.styles||(this.styles={}),this.text=t,this.initialized=!0,this.path&&this.setPathInfo(),this.initDimensions(),this.setCoords()}setPathInfo(){const t=this.path;t&&(t.segmentsInfo=Vn(t.path))}_splitText(){const 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(Lt)&&this.enlargeSpaces()}enlargeSpaces(){let t,e,s,r,i,n,a;for(let l=0,h=this._textLines.length;l<h;l++)if((this.textAlign===Lt||l!==h-1&&!this.isEndOfWrapping(l))&&(r=0,i=this._textLines[l],e=this.getLineWidth(l),e<this.width&&(a=this.textLines[l].match(this._reSpacesAndTabs)))){s=a.length,t=(this.width-e)/s;for(let c=0;c<=i.length;c++)n=this.__charBounds[l][c],this._reSpaceAndTab.test(i[c])?(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){const s=e?this._unwrappedTextLines:this._textLines;let r;for(r=0;r<s.length;r++){if(t<=s[r].length)return{lineIndex:r,charIndex:t};t-=s[r].length+this.missingNewlineOffset(r,e)}return{lineIndex:r-1,charIndex:s[r-1].length<t?s[r-1].length:t}}toString(){return"#<Text (".concat(this.complexity(),'): { "text": "').concat(this.text,'", "fontFamily": "').concat(this.fontFamily,'" }>')}_getCacheCanvasDimensions(){const t=super._getCacheCanvasDimensions(),e=this.fontSize;return t.width+=e*t.zoomX,t.height+=e*t.zoomY,t}_render(t){const 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===pt?(this._renderTextStroke(t),this._renderTextFill(t)):(this._renderTextFill(t),this._renderTextStroke(t))}_setTextStyles(t,e,s){if(t.textBaseline="alphabetic",this.path)switch(this.pathAlign){case j:t.textBaseline="middle";break;case"ascender":t.textBaseline=gt;break;case"descender":t.textBaseline=Sr}t.font=this._getFontDeclaration(e,s)}calcTextWidth(){let t=this.getLineWidth(0);for(let e=1,s=this._textLines.length;e<s;e++){const r=this.getLineWidth(e);r>t&&(t=r)}return t}_renderTextLine(t,e,s,r,i,n){this._renderChars(t,e,s,r,i,n)}_renderTextLinesBackground(t){if(!this.textBackgroundColor&&!this.styleHas("textBackgroundColor"))return;const e=t.fillStyle,s=this._getLeftOffset();let r=this._getTopOffset();for(let i=0,n=this._textLines.length;i<n;i++){const a=this.getHeightOfLine(i);if(!this.textBackgroundColor&&!this.styleHas("textBackgroundColor",i)){r+=a;continue}const l=this._textLines[i].length,h=this._getLineLeftOffset(i);let c,u,d=0,g=0,m=this.getValueOfPropertyAt(i,0,"textBackgroundColor");const v=this.getHeightOfLineImpl(i);for(let p=0;p<l;p++){const f=this.__charBounds[i][p];u=this.getValueOfPropertyAt(i,p,"textBackgroundColor"),this.path?(t.save(),t.translate(f.renderLeft,f.renderTop),t.rotate(f.angle),t.fillStyle=u,u&&t.fillRect(-f.width/2,-v*(1-this._fontSizeFraction),f.width,v),t.restore()):u!==m?(c=s+h+g,this.direction==="rtl"&&(c=this.width-c-d),t.fillStyle=m,m&&t.fillRect(c,r,d,v),g=f.left,d=f.width,m=u):d+=f.kernedWidth}u&&!this.path&&(c=s+h+g,this.direction==="rtl"&&(c=this.width-c-d),t.fillStyle=u,t.fillRect(c,r,d,v)),r+=a}t.fillStyle=e,this._removeShadow(t)}_measureChar(t,e,s,r){const i=ns.getFontCache(e),n=this._getFontDeclaration(e),a=s?s+t:t,l=s&&n===this._getFontDeclaration(r),h=e.fontSize/this.CACHE_FONT_SIZE;let c,u,d,g;if(s&&i.has(s)&&(d=i.get(s)),i.has(t)&&(g=c=i.get(t)),l&&i.has(a)&&(u=i.get(a),g=u-d),c===void 0||d===void 0||u===void 0){const m=(function(){return vr||(vr=St({width:0,height:0}).getContext("2d")),vr})();this._setTextStyles(m,e,!0),c===void 0&&(g=c=m.measureText(t).width,i.set(t,c)),d===void 0&&l&&s&&(d=m.measureText(s).width,i.set(s,d)),l&&u===void 0&&(u=m.measureText(a).width,i.set(a,u),g=u-d)}return{width:c*h,kernedWidth:g*h}}getHeightOfChar(t,e){return this.getValueOfPropertyAt(t,e,"fontSize")}measureLine(t){const e=this._measureLine(t);return this.charSpacing!==0&&(e.width-=this._getWidthOfCharSpacing()),e.width<0&&(e.width=0),e}_measureLine(t){let e,s,r=0;const i=this.pathSide===U,n=this.path,a=this._textLines[t],l=a.length,h=new Array(l);this.__charBounds[t]=h;for(let c=0;c<l;c++){const u=a[c];s=this._getGraphemeBox(u,t,c,e),h[c]=s,r+=s.kernedWidth,e=u}if(h[l]={left:s?s.left+s.width:0,width:0,kernedWidth:0,height:this.fontSize,deltaY:0},n&&n.segmentsInfo){let c=0;const u=n.segmentsInfo[n.segmentsInfo.length-1].length;switch(this.textAlign){case R:c=i?u-r:0;break;case j:c=(u-r)/2;break;case U:c=i?0:u-r}c+=this.pathStartOffset*(i?-1:1);for(let d=i?l-1:0;i?d>=0:d<l;i?d--:d++)s=h[d],c>u?c%=u:c<0&&(c+=u),this._setGraphemeOnPath(c,s),c+=s.kernedWidth}return{width:r,numOfSpaces:0}}_setGraphemeOnPath(t,e){const s=t+e.kernedWidth/2,r=this.path,i=yl(r.path,s,r.segmentsInfo);e.renderLeft=i.x-r.pathOffset.x,e.renderTop=i.y-r.pathOffset.y,e.angle=i.angle+(this.pathSide===U?Math.PI:0)}_getGraphemeBox(t,e,s,r,i){const n=this.getCompleteStyleDeclaration(e,s),a=r?this.getCompleteStyleDeclaration(e,s-1):{},l=this._measureChar(t,n,r,a);let h,c=l.kernedWidth,u=l.width;this.charSpacing!==0&&(h=this._getWidthOfCharSpacing(),u+=h,c+=h);const d={width:u,left:0,height:n.fontSize,kernedWidth:c,deltaY:n.deltaY};if(s>0&&!i){const g=this.__charBounds[e][s-1];d.left=g.left+g.width+l.kernedWidth-l.width}return d}getHeightOfLineImpl(t){const e=this.__lineHeights;if(e[t])return e[t];let s=this.getHeightOfChar(t,0);for(let r=1,i=this._textLines[t].length;r<i;r++)s=Math.max(this.getHeightOfChar(t,r),s);return e[t]=s*this._fontSizeMult}getHeightOfLine(t){return this.getHeightOfLineImpl(t)*this.lineHeight}calcTextHeight(){let t=0;for(let e=0,s=this._textLines.length;e<s;e++)t+=e===s-1?this.getHeightOfLineImpl(e):this.getHeightOfLine(e);return t}_getLeftOffset(){return this.direction==="ltr"?-this.width/2:this.width/2}_getTopOffset(){return-this.height/2}_renderTextCommon(t,e){t.save();let s=0;const r=this._getLeftOffset(),i=this._getTopOffset();for(let n=0,a=this._textLines.length;n<a;n++)this._renderTextLine(e,t,this._textLines[n],r+this._getLineLeftOffset(n),i+s+this.getHeightOfLineImpl(n),n),s+=this.getHeightOfLine(n);t.restore()}_renderTextFill(t){(this.fill||this.styleHas(Q))&&this._renderTextCommon(t,"fillText")}_renderTextStroke(t){(this.stroke&&this.strokeWidth!==0||!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,s,r,i,n){const a=this.textAlign.includes(Lt),l=this.path,h=!a&&this.charSpacing===0&&this.isEmptyStyles(n)&&!l,c=this.direction==="ltr",u=this.direction==="ltr"?1:-1,d=e.direction;let g,m,v,p,f,b="",T=0;if(e.save(),d!==this.direction&&(e.canvas.setAttribute("dir",c?"ltr":"rtl"),e.direction=c?"ltr":"rtl",e.textAlign=c?R:U),i-=this.getHeightOfLineImpl(n)*this._fontSizeFraction,h)return this._renderChar(t,e,n,0,s.join(""),r,i),void e.restore();for(let w=0,S=s.length-1;w<=S;w++)p=w===S||this.charSpacing||l,b+=s[w],v=this.__charBounds[n][w],T===0?(r+=u*(v.kernedWidth-v.width),T+=v.width):T+=v.kernedWidth,a&&!p&&this._reSpaceAndTab.test(s[w])&&(p=!0),p||(g=g||this.getCompleteStyleDeclaration(n,w),m=this.getCompleteStyleDeclaration(n,w+1),p=Jr(g,m,!1)),p&&(l?(e.save(),e.translate(v.renderLeft,v.renderTop),e.rotate(v.angle),this._renderChar(t,e,n,w,b,-T/2,0),e.restore()):(f=r,this._renderChar(t,e,n,w,b,f,i)),b="",g=m,r+=u*T,T=0);e.restore()}_applyPatternGradientTransformText(t){const e=this.width+this.strokeWidth,s=this.height+this.strokeWidth,r=St({width:e,height:s}),i=r.getContext("2d");return r.width=e,r.height=s,i.beginPath(),i.moveTo(0,0),i.lineTo(e,0),i.lineTo(e,s),i.lineTo(0,s),i.closePath(),i.translate(e/2,s/2),i.fillStyle=t.toLive(i),this._applyPatternGradientTransform(i,t),i.fill(),i.createPattern(r,"no-repeat")}handleFiller(t,e,s){let r,i;return Ct(s)?s.gradientUnits==="percentage"||s.gradientTransform||s.patternTransform?(r=-this.width/2,i=-this.height/2,t.translate(r,i),t[e]=this._applyPatternGradientTransformText(s),{offsetX:r,offsetY:i}):(t[e]=s.toLive(t),this._applyPatternGradientTransform(t,s)):(t[e]=s,{offsetX:0,offsetY:0})}_setStrokeStyles(t,e){let{stroke:s,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",s)}_setFillStyles(t,e){let{fill:s}=e;return this.handleFiller(t,"fillStyle",s)}_renderChar(t,e,s,r,i,n,a){const l=this._getStyleDeclaration(s,r),h=this.getCompleteStyleDeclaration(s,r),c=t==="fillText"&&h.fill,u=t==="strokeText"&&h.stroke&&h.strokeWidth;if(u||c){if(e.save(),e.font=this._getFontDeclaration(h),l.textBackgroundColor&&this._removeShadow(e),l.deltaY&&(a+=l.deltaY),c){const d=this._setFillStyles(e,h);e.fillText(i,n-d.offsetX,a-d.offsetY)}if(u){const d=this._setStrokeStyles(e,h);e.strokeText(i,n-d.offsetX,a-d.offsetY)}e.restore()}}setSuperscript(t,e){this._setScript(t,e,this.superscript)}setSubscript(t,e){this._setScript(t,e,this.subscript)}_setScript(t,e,s){const r=this.get2DCursorLocation(t,!0),i=this.getValueOfPropertyAt(r.lineIndex,r.charIndex,"fontSize"),n=this.getValueOfPropertyAt(r.lineIndex,r.charIndex,"deltaY"),a={fontSize:i*s.size,deltaY:n+i*s.baseline};this.setSelectionStyles(a,t,e)}_getLineLeftOffset(t){const e=this.getLineWidth(t),s=this.width-e,r=this.textAlign,i=this.direction,n=this.isEndOfWrapping(t);let a=0;return r===Lt||r===as&&!n||r===os&&!n||r===Ns&&!n?0:(r===j&&(a=s/2),r===U&&(a=s),r===as&&(a=s/2),r===os&&(a=s),i==="rtl"&&(r===U||r===Lt||r===os?a=0:r===R||r===Ns?a=-s:r!==j&&r!==as||(a=-s/2)),a)}_clearCache(){this._forceClearCache=!1,this.__lineWidths=[],this.__lineHeights=[],this.__charBounds=[]}getLineWidth(t){if(this.__lineWidths[t]!==void 0)return this.__lineWidths[t];const{width:e}=this.measureLine(t);return this.__lineWidths[t]=e,e}_getWidthOfCharSpacing(){return this.charSpacing!==0?this.fontSize*this.charSpacing/1e3:0}getValueOfPropertyAt(t,e,s){var r;return(r=this._getStyleDeclaration(t,e)[s])!==null&&r!==void 0?r:this[s]}_renderTextDecoration(t,e){if(!this[e]&&!this.styleHas(e))return;let s=this._getTopOffset();const r=this._getLeftOffset(),i=this.path,n=this._getWidthOfCharSpacing(),a=e==="linethrough"?.5:e==="overline"?1:0,l=this.offsets[e];for(let h=0,c=this._textLines.length;h<c;h++){const u=this.getHeightOfLine(h);if(!this[e]&&!this.styleHas(e,h)){s+=u;continue}const d=this._textLines[h],g=u/this.lineHeight,m=this._getLineLeftOffset(h);let v=0,p=0,f=this.getValueOfPropertyAt(h,0,e),b=this.getValueOfPropertyAt(h,0,Q),T=this.getValueOfPropertyAt(h,0,ye),w=f,S=b,C=T;const M=s+g*(1-this._fontSizeFraction);let D=this.getHeightOfChar(h,0),P=this.getValueOfPropertyAt(h,0,"deltaY");for(let Y=0,V=d.length;Y<V;Y++){const L=this.__charBounds[h][Y];w=this.getValueOfPropertyAt(h,Y,e),S=this.getValueOfPropertyAt(h,Y,Q),C=this.getValueOfPropertyAt(h,Y,ye);const st=this.getHeightOfChar(h,Y),et=this.getValueOfPropertyAt(h,Y,"deltaY");if(i&&w&&S){const rt=this.fontSize*C/1e3;t.save(),t.fillStyle=b,t.translate(L.renderLeft,L.renderTop),t.rotate(L.angle),t.fillRect(-L.kernedWidth/2,l*st+et-a*rt,L.kernedWidth,rt),t.restore()}else if((w!==f||S!==b||st!==D||C!==T||et!==P)&&p>0){const rt=this.fontSize*T/1e3;let W=r+m+v;this.direction==="rtl"&&(W=this.width-W-p),f&&b&&T&&(t.fillStyle=b,t.fillRect(W,M+l*D+P-a*rt,p,rt)),v=L.left,p=L.width,f=w,T=C,b=S,D=st,P=et}else p+=L.kernedWidth}let X=r+m+v;this.direction==="rtl"&&(X=this.width-X-p),t.fillStyle=S;const tt=this.fontSize*C/1e3;w&&S&&C&&t.fillRect(X,M+l*D+P-a*tt,p-n,tt),s+=u}this._removeShadow(t)}_getFontDeclaration(){let{fontFamily:t=this.fontFamily,fontStyle:e=this.fontStyle,fontWeight:s=this.fontWeight,fontSize:r=this.fontSize}=arguments.length>0&&arguments[0]!==void 0?arguments[0]:{},i=arguments.length>1?arguments[1]:void 0;const n=t.includes("'")||t.includes('"')||t.includes(",")||lt.genericFonts.includes(t.toLowerCase())?t:'"'.concat(t,'"');return[e,s,"".concat(i?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 Zr(t)}_splitTextIntoLines(t){const e=t.split(this._reNewline),s=new Array(e.length),r=[`
54`];let i=[];for(let n=0;n<e.length;n++)s[n]=this.graphemeSplit(e[n]),i=i.concat(s[n],r);return i.pop(),{_unwrappedLines:s,lines:e,graphemeText:i,graphemeLines:s}}toObject(){let t=arguments.length>0&&arguments[0]!==void 0?arguments[0]:[];return _(_({},super.toObject([...bn,...t])),{},{styles:Fa(this.styles,this.text)},this.path?{path:this.path.toObject()}:{})}set(t,e){const{textLayoutProperties:s}=this.constructor;super.set(t,e);let r=!1,i=!1;if(typeof t=="object")for(const n in t)n==="path"&&this.setPathInfo(),r=r||s.includes(n),i=i||n==="path";else r=s.includes(t),i=t==="path";return i&&this.setPathInfo(),r&&this.initialized&&(this.initDimensions(),this.setCoords()),this}complexity(){return 1}static async fromElement(t,e,s){const r=te(t,lt.ATTRIBUTE_NAMES,s),i=_(_({},e),r),{textAnchor:n=R,textDecoration:a="",dx:l=0,dy:h=0,top:c=0,left:u=0,fontSize:d=Ir,strokeWidth:g=1}=i,m=z(i,zl),v=new this(zs(t.textContent||"").trim(),_({left:u+l,top:c+h,underline:a.includes("underline"),overline:a.includes("overline"),linethrough:a.includes("line-through"),strokeWidth:0,fontSize:d},m)),p=v.getScaledHeight()/v.height,f=((v.height+v.strokeWidth)*v.lineHeight-v.height)*p,b=v.getScaledHeight()+f;let T=0;return n===j&&(T=v.getScaledWidth()/2),n===U&&(T=v.getScaledWidth()),v.set({left:v.left-T,top:v.top-(b-v.fontSize*(.07+v._fontSizeFraction))/v.lineHeight,strokeWidth:g}),v}static fromObject(t){return this._fromObject(_(_({},t),{},{styles:La(t.styles||{},t.text)}),{extraParam:"text"})}}y(lt,"textLayoutProperties",xn),y(lt,"cacheProperties",[...Qt,...bn]),y(lt,"ownDefaults",Uo),y(lt,"type","Text"),y(lt,"genericFonts",["serif","sans-serif","monospace","cursive","fantasy","system-ui","ui-serif","ui-sans-serif","ui-monospace","ui-rounded","math","emoji","fangsong"]),y(lt,"ATTRIBUTE_NAMES",he.concat("x","y","dx","dy","font-family","font-style","font-weight","font-size","letter-spacing","text-decoration","text-anchor")),Pn(lt,[class extends vn{_toSVG(){const o=this._getSVGLeftTopOffsets(),t=this._getSVGTextAndBg(o.textTop,o.textLeft);return this._wrapSVGTextAndBg(t)}toSVG(o){const t=this._createBaseSVGMarkup(this._toSVG(),{reviver:o,noStyle:!0,withShadow:!0}),e=this.path;return e?t+e._createBaseSVGMarkup(e._toSVG(),{reviver:o,withShadow:!0,additionalTransform:us(this.calcOwnMatrix())}):t}_getSVGLeftTopOffsets(){return{textLeft:-this.width/2,textTop:-this.height/2,lineTop:this.getHeightOfLine(0)}}_wrapSVGTextAndBg(o){let{textBgRects:t,textSpans:e}=o;const s=this.getSvgTextDecoration(this);return[t.join(""),'		<text xml:space="preserve" ','font-family="'.concat(this.fontFamily.replace(Gl,"'"),'" '),'font-size="'.concat(this.fontSize,'" '),this.fontStyle?'font-style="'.concat(this.fontStyle,'" '):"",this.fontWeight?'font-weight="'.concat(this.fontWeight,'" '):"",s?'text-decoration="'.concat(s,'" '):"",this.direction==="rtl"?'direction="'.concat(this.direction,'" '):"",'style="',this.getSvgStyles(!0),'"',this.addPaintOrder()," >",e.join(""),`</text>
55`]}_getSVGTextAndBg(o,t){const e=[],s=[];let r,i=o;this.backgroundColor&&s.push(...mr(this.backgroundColor,-this.width/2,-this.height/2,this.width,this.height));for(let n=0,a=this._textLines.length;n<a;n++)r=this._getLineLeftOffset(n),this.direction==="rtl"&&(r+=this.width),(this.textBackgroundColor||this.styleHas("textBackgroundColor",n))&&this._setSVGTextLineBg(s,n,t+r,i),this._setSVGTextLineText(e,n,t+r,i),i+=this.getHeightOfLine(n);return{textSpans:e,textBgRects:s}}_createTextCharSpan(o,t,e,s,r){const i=F.NUM_FRACTION_DIGITS,n=this.getSvgSpanStyles(t,o!==o.trim()||!!o.match(Wl)),a=n?'style="'.concat(n,'"'):"",l=t.deltaY,h=l?' dy="'.concat(G(l,i),'" '):"",{angle:c,renderLeft:u,renderTop:d,width:g}=r;let m="";if(u!==void 0){const v=g/2;c&&(m=' rotate="'.concat(G(Zt(c),i),'"'));const p=Ae({angle:Zt(c)});p[4]=u,p[5]=d;const f=new x(-v,0).transform(p);e=f.x,s=f.y}return'<tspan x="'.concat(G(e,i),'" y="').concat(G(s,i),'" 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c=0;c<r.length;c++){const{left:u,width:d,kernedWidth:g}=this.__charBounds[t][c];n=this.getValueOfPropertyAt(t,c,"textBackgroundColor"),n!==h?(h&&o.push(...mr(h,e+l,s,a,i)),l=u,a=d,h=n):a+=g}n&&o.push(...mr(h,e+l,s,a,i))}_getSVGLineTopOffset(o){let t,e=0;for(t=0;t<o;t++)e+=this.getHeightOfLine(t);const s=this.getHeightOfLine(t);return{lineTop:e,offset:(this._fontSizeMult-this._fontSizeFraction)*s/(this.lineHeight*this._fontSizeMult)}}getSvgStyles(o){return"".concat(super.getSvgStyles(o)," text-decoration-thickness: ").concat(G(this.textDecorationThickness*this.getObjectScaling().y/10,F.NUM_FRACTION_DIGITS),"%; white-space: pre;")}getSvgSpanStyles(o,t){const{fontFamily:e,strokeWidth:s,stroke:r,fill:i,fontSize:n,fontStyle:a,fontWeight:l,deltaY:h,textDecorationThickness:c,linethrough:u,overline:d,underline:g}=o,m=this.getSvgTextDecoration({underline:g??this.underline,overline:d??this.overline,linethrough:u??this.linethrough}),v=c||this.textDecorationThickness;return[r?ds(pt,r):"",s?"stroke-width: ".concat(s,"; "):"",e?"font-family: ".concat(e.includes("'")||e.includes('"')?e:"'".concat(e,"'"),"; "):"",n?"font-size: ".concat(n,"px; "):"",a?"font-style: ".concat(a,"; "):"",l?"font-weight: ".concat(l,"; "):"",m?"text-decoration: ".concat(m,"; text-decoration-thickness: ").concat(G(v*this.getObjectScaling().y/10,F.NUM_FRACTION_DIGITS),"%; "):"",i?ds(Q,i):"",h?"baseline-shift: ".concat(-h,"; "):"",t?"white-space: pre; ":""].join("")}getSvgTextDecoration(o){return["overline","underline","line-through"].filter((t=>o[t.replace("-","")])).join(" ")}}]),k.setClass(lt),k.setSVGClass(lt);class Nl{constructor(t){y(this,"target",void 0),y(this,"__mouseDownInPlace",!1),y(this,"__dragStartFired",!1),y(this,"__isDraggingOver",!1),y(this,"__dragStartSelection",void 0),y(this,"__dragImageDisposer",void 0),y(this,"_dispose",void 0),this.target=t;const 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((s=>s())),this._dispose=void 0}}isPointerOverSelection(t){const e=this.target,s=e.getSelectionStartFromPointer(t);return e.isEditing&&s>=e.selectionStart&&s<=e.selectionEnd&&e.selectionStart<e.selectionEnd}start(t){return this.__mouseDownInPlace=this.isPointerOverSelection(t)}isActive(){return this.__mouseDownInPlace}end(t){const 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 s;let{selectionStart:r,selectionEnd:i}=e;const n=this.target,a=n.canvas,l=new x(n.flipX?-1:1,n.flipY?-1:1),h=n._getCursorBoundaries(r),c=new x(h.left+h.leftOffset,h.top+h.topOffset).multiply(l).transform(n.calcTransformMatrix()),u=a.getScenePoint(t).subtract(c),d=n.getCanvasRetinaScaling(),g=n.getBoundingRect(),m=c.subtract(new x(g.left,g.top)),v=a.viewportTransform,p=m.add(u).transform(v,!0),f=n.backgroundColor,b=$r(n.styles);n.backgroundColor="";const T={stroke:"transparent",fill:"transparent",textBackgroundColor:"transparent"};n.setSelectionStyles(T,0,r),n.setSelectionStyles(T,i,n.text.length),n.dirty=!0;const w=n.toCanvasElement({enableRetinaScaling:a.enableRetinaScaling,viewportTransform:!0});n.backgroundColor=f,n.styles=b,n.dirty=!0,Ar(w,{position:"fixed",left:"".concat(-w.width,"px"),border:ft,width:"".concat(w.width/d,"px"),height:"".concat(w.height/d,"px")}),this.__dragImageDisposer&&this.__dragImageDisposer(),this.__dragImageDisposer=()=>{w.remove()},Dt(t.target||this.target.hiddenTextarea).body.appendChild(w),(s=t.dataTransfer)===null||s===void 0||s.setDragImage(w,p.x,p.y)}onDragStart(t){this.__dragStartFired=!0;const e=this.target,s=this.isActive();if(s&&t.dataTransfer){const 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s=this.targetCanDrop(e);!this.__isDraggingOver&&s&&(this.__isDraggingOver=!0)}dragOverHandler(t){const{e}=t,s=this.targetCanDrop(e);!this.__isDraggingOver&&s?this.__isDraggingOver=!0:this.__isDraggingOver&&!s&&(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;const{e:s}=t,r=s.defaultPrevented;this.__isDraggingOver=!1,s.preventDefault();let i=(e=s.dataTransfer)===null||e===void 0?void 0:e.getData("text/plain");if(i&&!r){const n=this.target,a=n.canvas;let l=n.getSelectionStartFromPointer(s);const{styles:h}=s.dataTransfer.types.includes("application/fabric")?JSON.parse(s.dataTransfer.getData("application/fabric")):{},c=i[Math.max(0,i.length-1)],u=0;if(this.__dragStartSelection){const d=this.__dragStartSelection.selectionStart,g=this.__dragStartSelection.selectionEnd;l>d&&l<=g?l=d:l>g&&(l-=g-d),n.removeChars(d,g),delete this.__dragStartSelection}n._reNewline.test(c)&&(n._reNewline.test(n._text[l])||l===n._text.length)&&(i=i.trimEnd()),t.didDrop=!0,t.dropTarget=n,n.insertChars(i,h,l),a.setActiveObject(n),n.enterEditing(s),n.selectionStart=Math.min(l+u,n._text.length),n.selectionEnd=Math.min(n.selectionStart+i.length,n._text.length),n.hiddenTextarea.value=n.text,n._updateTextarea(),n.hiddenTextarea.focus(),n.fire(Is,{index:l+u,action:"drop"}),a.fire("text:changed",{target:n}),a.contextTopDirty=!0,a.requestRenderAll()}}dragEndHandler(t){let{e}=t;if(this.isActive()&&this.__dragStartFired&&this.__dragStartSelection){var s;const r=this.target,i=this.target.canvas,{selectionStart:n,selectionEnd:a}=this.__dragStartSelection,l=((s=e.dataTransfer)===null||s===void 0?void 0:s.dropEffect)||ft;l===ft?(r.selectionStart=n,r.selectionEnd=a,r._updateTextarea(),r.hiddenTextarea.focus()):(r.clearContextTop(),l==="move"&&(r.removeChars(n,a),r.selectionStart=r.selectionEnd=n,r.hiddenTextarea&&(r.hiddenTextarea.value=r.text),r._updateTextarea(),r.fire(Is,{index:n,action:"dragend"}),i.fire("text:changed",{target:r}),i.requestRenderAll()),r.exitEditing())}this.__dragImageDisposer&&this.__dragImageDisposer(),delete this.__dragImageDisposer,delete this.__dragStartSelection,this.__isDraggingOver=!1}dispose(){this._dispose&&this._dispose()}}const Vi=/[ \n\.,;!\?\-]/;class Hl extends lt{constructor(){super(...arguments),y(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:s,delay:r,onComplete:i}=t;return Tn({startValue:this._currentCursorOpacity,endValue:e,duration:s,delay:r,onComplete:i,abort:()=>!this.canvas||this.selectionStart!==this.selectionEnd,onChange:n=>{this._currentCursorOpacity=n,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;(t=this._currentTickCompleteState)===null||t===void 0||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,s=t-1;if(this._reSpace.test(this._text[s]))for(;this._reSpace.test(this._text[s]);)e++,s--;for(;/\S/.test(this._text[s])&&s>-1;)e++,s--;return t-e}findWordBoundaryRight(t){let e=0,s=t;if(this._reSpace.test(this._text[s]))for(;this._reSpace.test(this._text[s]);)e++,s++;for(;/\S/.test(this._text[s])&&s<this._text.length;)e++,s++;return t+e}findLineBoundaryLeft(t){let e=0,s=t-1;for(;!/\n/.test(this._text[s])&&s>-1;)e++,s--;return t-e}findLineBoundaryRight(t){let e=0,s=t;for(;!/\n/.test(this._text[s])&&s<this._text.length;)e++,s++;return t+e}searchWordBoundary(t,e){const s=this._text;let r=t>0&&this._reSpace.test(s[t])&&(e===-1||!Vr.test(s[t-1]))?t-1:t,i=s[r];for(;r>0&&r<s.length&&!Vi.test(i);)r+=e,i=s[r];return e===-1&&Vi.test(i)&&r++,r}selectWord(t){var e;t=(e=t)!==null&&e!==void 0?e:this.selectionStart;const s=this.searchWordBoundary(t,-1),r=Math.max(s,this.searchWordBoundary(t,1));this.selectionStart=s,this.selectionEnd=r,this._fireSelectionChanged(),this._updateTextarea(),this.renderCursorOrSelection()}selectLine(t){var e;t=(e=t)!==null&&e!==void 0?e:this.selectionStart;const s=this.findLineBoundaryLeft(t),r=this.findLineBoundaryRight(t);this.selectionStart=s,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;const e=this.hiddenTextarea;Dt(e).activeElement!==e&&e.focus();const s=this.getSelectionStartFromPointer(t),r=this.selectionStart,i=this.selectionEnd;(s===this.__selectionStartOnMouseDown&&r!==i||r!==s&&i!==s)&&(s>this.__selectionStartOnMouseDown?(this.selectionStart=this.__selectionStartOnMouseDown,this.selectionEnd=s):(this.selectionStart=s,this.selectionEnd=this.__selectionStartOnMouseDown),this.selectionStart===r&&this.selectionEnd===i||(this._fireSelectionChanged(),this._updateTextarea(),this.renderCursorOrSelection()))}_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,s){const r=s.slice(0,t),i=this.graphemeSplit(r).length;if(t===e)return{selectionStart:i,selectionEnd:i};const n=s.slice(t,e);return{selectionStart:i,selectionEnd:i+this.graphemeSplit(n).length}}fromGraphemeToStringSelection(t,e,s){const r=s.slice(0,t).join("").length;return t===e?{selectionStart:r,selectionEnd:r}:{selectionStart:r,selectionEnd:r+s.slice(t,e).join("").length}}_updateTextarea(){if(this.cursorOffsetCache={},this.hiddenTextarea){if(!this.inCompositionMode){const 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={};const t=this.hiddenTextarea;this.text=t.value,this.set("dirty",!0),this.initDimensions(),this.setCoords();const 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){const t=this._calcTextareaPosition();this.hiddenTextarea.style.left=t.left,this.hiddenTextarea.style.top=t.top}}_calcTextareaPosition(){if(!this.canvas)return{left:"1px",top:"1px"};const t=this.inCompositionMode?this.compositionStart:this.selectionStart,e=this._getCursorBoundaries(t),s=this.get2DCursorLocation(t),r=s.lineIndex,i=s.charIndex,n=this.getValueOfPropertyAt(r,i,"fontSize")*this.lineHeight,a=e.leftOffset,l=this.getCanvasRetinaScaling(),h=this.canvas.upperCanvasEl,c=h.width/l,u=h.height/l,d=c-n,g=u-n,m=new x(e.left+a,e.top+e.topOffset+n).transform(this.calcTransformMatrix()).transform(this.canvas.viewportTransform).multiply(new x(h.clientWidth/c,h.clientHeight/u));return m.x<0&&(m.x=0),m.x>d&&(m.x=d),m.y<0&&(m.y=0),m.y>g&&(m.y=g),m.x+=this.canvas._offset.left,m.y+=this.canvas._offset.top,{left:"".concat(m.x,"px"),top:"".concat(m.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(){const 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(){const t=this._textBeforeEdit!==this.text;return this.exitEditingImpl(),this.fire("editing:exited"),t&&this.fire(Vs),this.canvas&&(this.canvas.fire("text:editing:exited",{target:this}),t&&this.canvas.fire("object:modified",{target:this})),this}_removeExtraneousStyles(){for(const t in this.styles)this._textLines[t]||delete this.styles[t]}removeStyleFromTo(t,e){const{lineIndex:s,charIndex:r}=this.get2DCursorLocation(t,!0),{lineIndex:i,charIndex:n}=this.get2DCursorLocation(e,!0);if(s!==i){if(this.styles[s])for(let a=r;a<this._unwrappedTextLines[s].length;a++)delete this.styles[s][a];if(this.styles[i])for(let a=n;a<this._unwrappedTextLines[i].length;a++){const l=this.styles[i][a];l&&(this.styles[s]||(this.styles[s]={}),this.styles[s][r+a-n]=l)}for(let a=s+1;a<=i;a++)delete this.styles[a];this.shiftLineStyles(i,s-i)}else if(this.styles[s]){const a=this.styles[s],l=n-r;for(let h=r;h<n;h++)delete a[h];for(const h in this.styles[s]){const c=parseInt(h,10);c>=n&&(a[c-l]=a[h],delete a[h])}}}shiftLineStyles(t,e){const s=Object.assign({},this.styles);for(const r in this.styles){const i=parseInt(r,10);i>t&&(this.styles[i+e]=s[i],s[i-e]||delete this.styles[i])}}insertNewlineStyleObject(t,e,s,r){const i={},n=this._unwrappedTextLines[t].length,a=n===e;let l=!1;s||(s=1),this.shiftLineStyles(t,s);const h=this.styles[t]?this.styles[t][e===0?e:e-1]:void 0;for(const u in this.styles[t]){const d=parseInt(u,10);d>=e&&(l=!0,i[d-e]=this.styles[t][u],a&&e===0||delete this.styles[t][u])}let c=!1;for(l&&!a&&(this.styles[t+s]=i,c=!0),(c||n>e)&&s--;s>0;)r&&r[s-1]?this.styles[t+s]={0:_({},r[s-1])}:h?this.styles[t+s]={0:_({},h)}:delete this.styles[t+s],s--;this._forceClearCache=!0}insertCharStyleObject(t,e,s,r){this.styles||(this.styles={});const i=this.styles[t],n=i?_({},i):{};s||(s=1);for(const l in n){const h=parseInt(l,10);h>=e&&(i[h+s]=n[h],n[h-s]||delete i[h])}if(this._forceClearCache=!0,r){for(;s--;)Object.keys(r[s]).length&&(this.styles[t]||(this.styles[t]={}),this.styles[t][e+s]=_({},r[s]));return}if(!i)return;const a=i[e?e-1:1];for(;a&&s--;)this.styles[t][e+s]=_({},a)}insertNewStyleBlock(t,e,s){const r=this.get2DCursorLocation(e,!0),i=[0];let n,a=0;for(let l=0;l<t.length;l++)t[l]===`
56`?(a++,i[a]=0):i[a]++;for(i[0]>0&&(this.insertCharStyleObject(r.lineIndex,r.charIndex,i[0],s),s=s&&s.slice(i[0]+1)),a&&this.insertNewlineStyleObject(r.lineIndex,r.charIndex+i[0],a),n=1;n<a;n++)i[n]>0?this.insertCharStyleObject(r.lineIndex+n,0,i[n],s):s&&this.styles[r.lineIndex+n]&&s[0]&&(this.styles[r.lineIndex+n][0]=s[0]),s=s&&s.slice(i[n]+1);i[n]>0&&this.insertCharStyleObject(r.lineIndex+n,0,i[n],s)}removeChars(t){let e=arguments.length>1&&arguments[1]!==void 0?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,s){let r=arguments.length>3&&arguments[3]!==void 0?arguments[3]:s;r>s&&this.removeStyleFromTo(s,r);const i=this.graphemeSplit(t);this.insertNewStyleBlock(i,s,e),this._text=[...this._text.slice(0,s),...i,...this._text.slice(r)],this.text=this._text.join(""),this.set("dirty",!0),this.initDimensions(),this.setCoords(),this._removeExtraneousStyles()}setSelectionStartEndWithShift(t,e,s){s<=t?(e===t?this._selectionDirection=R:this._selectionDirection===U&&(this._selectionDirection=R,this.selectionEnd=t),this.selectionStart=s):s>t&&s<e?this._selectionDirection===U?this.selectionEnd=s:this.selectionStart=s:(e===t?this._selectionDirection=U:this._selectionDirection===R&&(this._selectionDirection=U,this.selectionStart=e),this.selectionEnd=s)}}class Ul extends Hl{initHiddenTextarea(){const t=this.canvas&&Dt(this.canvas.getElement())||Pe(),e=t.createElement("textarea");Object.entries({autocapitalize:"off",autocorrect:"off",autocomplete:"off",spellcheck:"false","data-fabric":"textarea",wrap:"off",name:"fabricTextarea"}).map((n=>{let[a,l]=n;return e.setAttribute(a,l)}));const{top:s,left:r,fontSize:i}=this._calcTextareaPosition();e.style.cssText="position: absolute; top: ".concat(s,";

56shouldStartDragging(){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,alreadySelected:s}=t;this.canvas&&this.editable&&!Xi(e)&&!this.getActiveControl()&&(this.draggableTextDelegate.start(e)||(this.canvas.textEditingManager.register(this),s&&(this.inCompositionMode=!1,this.setCursorByClick(e)),this.isEditing&&(this.__selectionStartOnMouseDown=this.selectionStart,this.selectionStart===this.selectionEnd&&this.abortCursorAnimation(),this.renderCursorOrSelection()),this.selected||(this.selected=s||this.isEditing)))}mouseUpHandler(t){let{e,transform:s}=t;const r=this.draggableTextDelegate.end(e);if(this.canvas){this.canvas.textEditingManager.unregister(this);const i=this.canvas._activeObject;if(i&&i!==this)return}!this.editable||this.group&&!this.group.interactive||s&&s.actionPerformed||Xi(e)||r||this.selected&&!this.getActiveControl()&&(this.enterEditing(e),this.selectionStart===this.selectionEnd?this.initDelayedCursor(!0):this.renderCursorOrSelection())}setCursorByClick(t){const e=this.getSelectionStartFromPointer(t),s=this.selectionStart,r=this.selectionEnd;t.shiftKey?this.setSelectionStartEndWithShift(s,r,e):(this.selectionStart=e,this.selectionEnd=e),this.isEditing&&(this._fireSelectionChanged(),this._updateTextarea())}getSelectionStartFromPointer(t){const e=this.canvas.getScenePoint(t).transform(Pt(this.calcTransformMatrix())).add(new x(-this._getLeftOffset(),-this._getTopOffset()));let s=0,r=0,i=0;for(let h=0;h<this._textLines.length&&s<=e.y;h++)s+=this.getHeightOfLine(h),i=h,h>0&&(r+=this._textLines[h-1].length+this.missingNewlineOffset(h-1));let n=Math.abs(this._getLineLeftOffset(i));const a=this._textLines[i].length,l=this.__charBounds[i];for(let h=0;h<a;h++){const c=n+l[h].kernedWidth;if(e.x<=c){Math.abs(e.x-c)<=Math.abs(e.x-n)&&r++;break}n=c,r++}return Math.min(this.flipX?a-r:r,this._text.length)}}const Ts="moveCursorUp",Os="moveCursorDown",ks="moveCursorLeft",Ds="moveCursorRight",Ms="exitEditing",Yi=(o,t)=>{const e=t.getRetinaScaling();o.setTransform(e,0,0,e,0,0);const s=t.viewportTransform;o.transform(s[0],s[1],s[2],s[3],s[4],s[5])},Kl=_({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:Ms,27:Ms,33:Ts,34:Os,35:Ds,36:ks,37:ks,38:Ts,39:Ds,40:Os},keysMapRtl:{9:Ms,27:Ms,33:Ts,34:Os,35:ks,36:Ds,37:Ds,38:Ts,39:ks,40:Os},ctrlKeysMapDown:{65:"cmdAll"},ctrlKeysMapUp:{67:"copy",88:"cut"}},{_selectionDirection:null,_reSpace:/\s|\r?\n/,inCompositionMode:!1});class Nt extends ql{static getDefaults(){return _(_({},super.getDefaults()),Nt.ownDefaults)}get type(){const t=super.type;return t==="itext"?"i-text":t}constructor(t,e){super(t,_(_({},Nt.ownDefaults),e)),this.initBehavior()}_set(t,e){return this.isEditing&&this._savedProps&&t in this._savedProps?(this._savedProps[t]=e,this):(t==="canvas"&&(this.canvas instanceof Fr&&this.canvas.textEditingManager.remove(this),e instanceof Fr&&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&&arguments[0]!==void 0?arguments[0]:this.selectionStart||0,e=arguments.length>1&&arguments[1]!==void 0?arguments[1]:this.selectionEnd,s=arguments.length>2?arguments[2]:void 0;return super.getSelectionStyles(t,e,s)}setSelectionStyles(t){let e=arguments.length>1&&arguments[1]!==void 0?arguments[1]:this.selectionStart||0,s=arguments.length>2&&arguments[2]!==void 0?arguments[2]:this.selectionEnd;return super.setSelectionStyles(t,e,s)}get2DCursorLocation(){let t=arguments.length>0&&arguments[0]!==void 0?arguments[0]:this.selectionStart,e=arguments.length>1?arguments[1]:void 0;return super.get2DCursorLocation(t,e)}render(t){super.render(t),this.cursorOffsetCache={},this.renderCursorOrSelection()}toCanvasElement(t){const e=this.isEditing;this.isEditing=!1;const s=super.toCanvasElement(t);return this.isEditing=e,s}renderCursorOrSelection(){if(!this.isEditing||!this.canvas)return;const t=this.clearContextTop(!0);if(!t)return;const e=this._getCursorBoundaries(),s=this.findAncestorsWithClipPath(),r=s.length>0;let i,n=t;if(r){i=St(t.canvas),n=i.getContext("2d"),Yi(n,this.canvas);const a=this.calcTransformMatrix();n.transform(a[0],a[1],a[2],a[3],a[4],a[5])}if(this.selectionStart!==this.selectionEnd||this.inCompositionMode?this.renderSelection(n,e):this.renderCursor(n,e),r)for(const a of s){const l=a.clipPath,h=St(t.canvas),c=h.getContext("2d");if(Yi(c,this.canvas),!l.absolutePositioned){const u=a.calcTransformMatrix();c.transform(u[0],u[1],u[2],u[3],u[4],u[5])}l.transform(c),l.drawObject(c,!0,{}),this.drawClipPathOnCache(n,l,h)}r&&(t.setTransform(1,0,0,1,0,0),t.drawImage(i,0,0)),this.canvas.contextTopDirty=!0,t.restore()}findAncestorsWithClipPath(){const t=[];let e=this;for(;e;)e.clipPath&&t.push(e),e=e.parent;return t}_getCursorBoundaries(){let t=arguments.length>0&&arguments[0]!==void 0?arguments[0]:this.selectionStart,e=arguments.length>1?arguments[1]:void 0;const s=this._getLeftOffset(),r=this._getTopOffset(),i=this._getCursorBoundariesOffsets(t,e);return{left:s,top:r,leftOffset:i.left,topOffset:i.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,s=0;const{charIndex:r,lineIndex:i}=this.get2DCursorLocation(t);for(let h=0;h<i;h++)e+=this.getHeightOfLine(h);const n=this._getLineLeftOffset(i),a=this.__charBounds[i][r];a&&(s=a.left),this.charSpacing!==0&&r===this._textLines[i].length&&(s-=this._getWidthOfCharSpacing());const l={top:e,left:n+(s>0?s:0)};return this.direction==="rtl"&&(this.textAlign===U||this.textAlign===Lt||this.textAlign===os?l.left*=-1:this.textAlign===R||this.textAlign===Ns?l.left=n-(s>0?s:0):this.textAlign!==j&&this.textAlign!==as||(l.left=n-(s>0?s:0))),l}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&&arguments[0]!==void 0?arguments[0]:this.selectionStart,e=arguments.length>1&&arguments[1]!==void 0?arguments[1]:this._getCursorBoundaries(t);const s=this.get2DCursorLocation(t),r=s.lineIndex,i=s.charIndex>0?s.charIndex-1:0,n=this.getValueOfPropertyAt(r,i,"fontSize"),a=this.getObjectScaling().x*this.canvas.getZoom(),l=this.cursorWidth/a,h=this.getValueOfPropertyAt(r,i,"deltaY"),c=e.topOffset+(1-this._fontSizeFraction)*this.getHeightOfLine(r)/this.lineHeight-n*(1-this._fontSizeFraction);return{color:this.cursorColor||this.getValueOfPropertyAt(r,i,"fill"),opacity:this._currentCursorOpacity,left:e.left+e.leftOffset-l/2,top:c+e.top+h,width:l,height:n}}_renderCursor(t,e,s){const{color:r,opacity:i,left:n,top:a,width:l,height:h}=this.getCursorRenderingData(s,e);t.fillStyle=r,t.globalAlpha=i,t.fillRect(n,a,l,h)}renderSelection(t,e){const s={selectionStart:this.inCompositionMode?this.hiddenTextarea.selectionStart:this.selectionStart,selectionEnd:this.inCompositionMode?this.hiddenTextarea.selectionEnd:this.selectionEnd};this._renderSelection(t,s,e)}renderDragSourceEffect(){const t=this.draggableTextDelegate.getDragStartSelection();this._renderSelection(this.canvas.contextTop,t,this._getCursorBoundaries(t.selectionStart,!0))}renderDropTargetEffect(t){const e=this.getSelectionStartFromPointer(t);this.renderCursorAt(e)}_renderSelection(t,e,s){const r=e.selectionStart,i=e.selectionEnd,n=this.textAlign.includes(Lt),a=this.get2DCursorLocation(r),l=this.get2DCursorLocation(i),h=a.lineIndex,c=l.lineIndex,u=a.charIndex<0?0:a.charIndex,d=l.charIndex<0?0:l.charIndex;for(let g=h;g<=c;g++){const m=this._getLineLeftOffset(g)||0;let v=this.getHeightOfLine(g),p=0,f=0,b=0;if(g===h&&(f=this.__charBounds[h][u].left),g>=h&&g<c)b=n&&!this.isEndOfWrapping(g)?this.width:this.getLineWidth(g)||5;else if(g===c)if(d===0)b=this.__charBounds[c][d].left;else{const M=this._getWidthOfCharSpacing();b=this.__charBounds[c][d-1].left+this.__charBounds[c][d-1].width-M}p=v,(this.lineHeight<1||g===c&&this.lineHeight>1)&&(v/=this.lineHeight);let T=s.left+m+f,w=v,S=0;const C=b-f;this.inCompositionMode?(t.fillStyle=this.compositionColor||"black",w=1,S=v):t.fillStyle=this.selectionColor,this.direction==="rtl"&&(this.textAlign===U||this.textAlign===Lt||this.textAlign===os?T=this.width-T-C:this.textAlign===R||this.textAlign===Ns?T=s.left+m-b:this.textAlign!==j&&this.textAlign!==as||(T=s.left+m-b)),t.fillRect(T,s.top+s.topOffset+S,C,w),s.topOffset+=p}}getCurrentCharFontSize(){const t=this._getCurrentCharIndex();return this.getValueOfPropertyAt(t.l,t.c,"fontSize")}getCurrentCharColor(){const t=this._getCurrentCharIndex();return this.getValueOfPropertyAt(t.l,t.c,Q)}_getCurrentCharIndex(){const 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()}}y(Nt,"ownDefaults",Kl),y(Nt,"type","IText"),k.setClass(Nt),k.setClass(Nt,"i-text");class fe extends Nt{static getDefaults(){return _(_({},super.getDefaults()),fe.ownDefaults)}constructor(t,e){super(t,_(_({},fe.ownDefaults),e))}static createControls(){return{controls:ka()}}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(Lt)&&this.enlargeSpaces(),this.height=this.calcTextHeight())}_generateStyleMap(t){let e=0,s=0,r=0;const i={};for(let n=0;n<t.graphemeLines.length;n++)t.graphemeText[r]===`
57`&&n>0?(s=0,r++,e++):!this.splitByGrapheme&&this._reSpaceAndTab.test(t.graphemeText[r])&&n>0&&(s++,r++),i[n]={line:e,offset:s},r+=t.graphemeLines[n].length,s+=t.graphemeLines[n].length;return i}styleHas(t,e){if(this._styleMap&&!this.isWrapping){const s=this._styleMap[e];s&&(e=s.line)}return super.styleHas(t,e)}isEmptyStyles(t){if(!this.styles)return!0;let e,s=0,r=t+1,i=!1;const n=this._styleMap[t],a=this._styleMap[t+1];n&&(t=n.line,s=n.offset),a&&(r=a.line,i=r===t,e=a.offset);const l=t===void 0?this.styles:{line:this.styles[t]};for(const h in l)for(const c in l[h]){const u=parseInt(c,10);if(u>=s&&(!i||u<e))for(const d in l[h][c])return!1}return!0}_getStyleDeclaration(t,e){if(this._styleMap&&!this.isWrapping){const s=this._styleMap[t];if(!s)return{};t=s.line,e=s.offset+e}return super._getStyleDeclaration(t,e)}_setStyleDeclaration(t,e,s){const r=this._styleMap[t];super._setStyleDeclaration(r.line,r.offset+e,s)}_deleteStyleDeclaration(t,e){const s=this._styleMap[t];super._deleteStyleDeclaration(s.line,s.offset+e)}_getLineStyle(t){const e=this._styleMap[t];return!!this.styles[e.line]}_setLineStyle(t){const e=this._styleMap[t];super._setLineStyle(e.line)}_wrapText(t,e){this.isWrapping=!0;const s=this.getGraphemeDataForRender(t),r=[];for(let i=0;i<s.wordsData.length;i++)r.push(...this._wrapLine(i,e,s));return this.isWrapping=!1,r}getGraphemeDataForRender(t){const e=this.splitByGrapheme,s=e?"":" ";let r=0;return{wordsData:t.map(((i,n)=>{let a=0;const l=e?this.graphemeSplit(i):this.wordSplit(i);return l.length===0?[{word:[],width:0}]:l.map((h=>{const c=e?[h]:this.graphemeSplit(h),u=this._measureWord(c,n,a);return r=Math.max(u,r),a+=c.length+s.length,{word:c,width:u}}))})),largestWordWidth:r}}_measureWord(t,e){let s,r=arguments.length>2&&arguments[2]!==void 0?arguments[2]:0,i=0;for(let n=0,a=t.length;n<a;n++)i+=this._getGraphemeBox(t[n],e,n+r,s,!0).kernedWidth,s=t[n];return i}wordSplit(t){return t.split(this._wordJoiners)}_wrapLine(t,e,s){let{largestWordWidth:r,wordsData:i}=s,n=arguments.length>3&&arguments[3]!==void 0?arguments[3]:0;const a=this._getWidthOfCharSpacing(),l=this.splitByGrapheme,h=[],c=l?"":" ";let u=0,d=[],g=0,m=0,v=!0;e-=n;const p=Math.max(e,r,this.dynamicMinWidth),f=i[t];let b;for(g=0,b=0;b<f.length;b++){const{word:T,width:w}=f[b];g+=T.length,u+=m+w-a,u>p&&!v?(h.push(d),d=[],u=w,v=!0):u+=a,v||l||d.push(c),d=d.concat(T),m=l?0:this._measureWord([c],t,g),g++,v=!1}return b&&h.push(d),r+n>this.dynamicMinWidth&&(this.dynamicMinWidth=r-a+n),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)?1:0:1}_splitTextIntoLines(t){const e=super._splitTextIntoLines(t),s=this._wrapText(e.lines,this.width),r=new Array(s.length);for(let i=0;i<s.length;i++)r[i]=s[i].join("");return e.lines=r,e.graphemeLines=s,e}getMinWidth(){return Math.max(this.minWidth,this.dynamicMinWidth)}_removeExtraneousStyles(){const t=new Map;for(const e in this._styleMap){const s=parseInt(e,10);if(this._textLines[s]){const r=this._styleMap[e].line;t.set("".concat(r),!0)}}for(const e in this.styles)t.has(e)||delete this.styles[e]}toObject(){let t=arguments.length>0&&arguments[0]!==void 0?arguments[0]:[];return super.toObject(["minWidth","splitByGrapheme",...t])}}y(fe,"type","Textbox"),y(fe,"textLayoutProperties",[...Nt.textLayoutProperties,"width"]),y(fe,"ownDefaults",{minWidth:20,dynamicMinWidth:2,lockScalingFlip:!0,noScaleCache:!1,_wordJoiners:/[ \t\r]/,splitByGrapheme:!1}),k.setClass(fe);class Wi extends rr{shouldPerformLayout(t){return!!t.target.clipPath&&super.shouldPerformLayout(t)}shouldLayoutClipPath(){return!1}calcLayoutResult(t,e){const{target:s}=t,{clipPath:r,group:i}=s;if(!r||!this.shouldPerformLayout(t))return;const{width:n,height:a}=Ht(An(s,r)),l=new x(n,a);if(r.absolutePositioned)return{center:Oe(r.getRelativeCenterPoint(),void 0,i?i.calcTransformMatrix():void 0),size:l};{const h=r.getRelativeCenterPoint().transform(s.calcOwnMatrix(),!0);if(this.shouldPerformLayout(t)){const{center:c=new x,correction:u=new x}=this.calcBoundingBox(e,t)||{};return{center:c.add(h),correction:u.subtract(h),size:l}}return{center:s.getRelativeCenterPoint().add(h),size:l}}}}y(Wi,"type","clip-path"),k.setClass(Wi);class Gi extends rr{getInitialSize(t,e){let{target:s}=t,{size:r}=e;return new x(s.width||r.x,s.height||r.y)}}y(Gi,"type","fixed"),k.setClass(Gi);class $l extends fs{subscribeTargets(t){const e=t.target;t.targets.reduce(((s,r)=>(r.parent&&s.add(r.parent),s)),new Set).forEach((s=>{s.layoutManager.subscribeTargets({target:s,targets:[e]})}))}unsubscribeTargets(t){const e=t.target,s=e.getObjects();t.targets.reduce(((r,i)=>(i.parent&&r.add(i.parent),r)),new Set).forEach((r=>{!s.some((i=>i.parent===r))&&r.layoutManager.unsubscribeTargets({target:r,targets:[e]})}))}}class pe extends ve{static getDefaults(){return _(_({},super.getDefaults()),pe.ownDefaults)}constructor(){let t=arguments.length>0&&arguments[0]!==void 0?arguments[0]:[],e=arguments.length>1&&arguments[1]!==void 0?arguments[1]:{};super(),Object.assign(this,pe.ownDefaults),this.setOptions(e);const{left:s,top:r,layoutManager:i}=e;this.groupInit(t,{left:s,top:r,layoutManager:i??new $l})}_shouldSetNestedCoords(){return!0}__objectSelectionMonitor(){}multiSelectAdd(){for(var t=arguments.length,e=new Array(t),s=0;s<t;s++)e[s]=arguments[s];this.multiSelectionStacking==="selection-order"?this.add(...e):e.forEach((r=>{const i=this._objects.findIndex((a=>a.isInFrontOf(r))),n=i===-1?this.size():i;this.insertAt(n,r)}))}canEnterGroup(t){return this.getObjects().some((e=>e.isDescendantOf(t)||t.isDescendantOf(e)))?(oe("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);const s=new Set;e.forEach((r=>{const{parent:i}=r;i&&s.add(i)})),t===ti?s.forEach((r=>{r._onAfterObjectsChange(Hs,e)})):s.forEach((r=>{r._set("dirty",!0)}))}onDeselect(){return this.removeAll(),!1}toString(){return"#<ActiveSelection: (".concat(this.complexity(),")>")}shouldCache(){return!1}isOnACache(){return!1}_renderControls(t,e,s){t.save(),t.globalAlpha=this.isMoving?this.borderOpacityWhenMoving:1;const r=_(_({hasControls:!1},s),{},{forActiveSelection:!0});for(let i=0;i<this._objects.length;i++)this._objects[i]._renderControls(t,r);super._renderControls(t,e),t.restore()}}y(pe,"type","ActiveSelection"),y(pe,"ownDefaults",{multiSelectionStacking:"canvas-stacking"}),k.setClass(pe),k.setClass(pe,"activeSelection");class Zl{constructor(){y(this,"resources",{})}applyFilters(t,e,s,r,i){const n=i.getContext("2d");if(!n)return;n.drawImage(e,0,0,s,r);const a={sourceWidth:s,sourceHeight:r,imageData:n.getImageData(0,0,s,r),originalEl:e,originalImageData:n.getImageData(0,0,s,r),canvasEl:i,ctx:n,filterBackend:this};t.forEach((h=>{h.applyTo(a)}));const{imageData:l}=a;return l.width===s&&l.height===r||(i.width=l.width,i.height=l.height),n.putImageData(l,0,0),a}}class Kn{constructor(){let{tileSize:t=F.textureSize}=arguments.length>0&&arguments[0]!==void 0?arguments[0]:{};y(this,"aPosition",new Float32Array([0,0,0,1,1,0,1,1])),y(this,"resources",{}),this.tileSize=t,this.setupGLContext(t,t),this.captureGPUInfo()}setupGLContext(t,e){this.dispose(),this.createWebGLCanvas(t,e)}createWebGLCanvas(t,e){const s=St({width:t,height:e}),r=s.getContext("webgl",{alpha:!0,premultipliedAlpha:!1,depth:!1,stencil:!1,antialias:!1});r&&(r.clearColor(0,0,0,0),this.canvas=s,this.gl=r)}applyFilters(t,e,s,r,i,n){const a=this.gl,l=i.getContext("2d");if(!a||!l)return;let h;n&&(h=this.getCachedTexture(n,e));const c={originalWidth:e.width||e.naturalWidth||0,originalHeight:e.height||e.naturalHeight||0,sourceWidth:s,sourceHeight:r,destinationWidth:s,destinationHeight:r,context:a,sourceTexture:this.createTexture(a,s,r,h?void 0:e),targetTexture:this.createTexture(a,s,r),originalTexture:h||this.createTexture(a,s,r,h?void 0:e),passes:t.length,webgl:!0,aPosition:this.aPosition,programCache:this.programCache,pass:0,filterBackend:this,targetCanvas:i},u=a.createFramebuffer();return a.bindFramebuffer(a.FRAMEBUFFER,u),t.forEach((d=>{d&&d.applyTo(c)})),(function(d){const g=d.targetCanvas,m=g.width,v=g.height,p=d.destinationWidth,f=d.destinationHeight;m===p&&v===f||(g.width=p,g.height=f)})(c),this.copyGLTo2D(a,c),a.bindTexture(a.TEXTURE_2D,null),a.deleteTexture(c.sourceTexture),a.deleteTexture(c.targetTexture),a.deleteFramebuffer(u),l.setTransform(1,0,0,1,0,0),c}dispose(){this.canvas&&(this.canvas=null,this.gl=null),this.clearWebGLCaches()}clearWebGLCaches(){this.programCache={},this.textureCache={}}createTexture(t,e,s,r,i){const{NEAREST:n,TEXTURE_2D:a,RGBA:l,UNSIGNED_BYTE:h,CLAMP_TO_EDGE:c,TEXTURE_MAG_FILTER:u,TEXTURE_MIN_FILTER:d,TEXTURE_WRAP_S:g,TEXTURE_WRAP_T:m}=t,v=t.createTexture();return t.bindTexture(a,v),t.texParameteri(a,u,i||n),t.texParameteri(a,d,i||n),t.texParameteri(a,g,c),t.texParameteri(a,m,c),r?t.texImage2D(a,0,l,l,h,r):t.texImage2D(a,0,l,e,s,0,l,h,null),v}getCachedTexture(t,e,s){const{textureCache:r}=this;if(r[t])return r[t];{const i=this.createTexture(this.gl,e.width,e.height,e,s);return i&&(r[t]=i),i}}evictCachesForKey(t){this.textureCache[t]&&(this.gl.deleteTexture(this.textureCache[t]),delete this.textureCache[t])}copyGLTo2D(t,e){const s=t.canvas,r=e.targetCanvas,i=r.getContext("2d");if(!i)return;i.translate(0,r.height),i.scale(1,-1);const n=s.height-r.height;i.drawImage(s,0,n,r.width,r.height,0,0,r.width,r.height)}copyGLTo2DPutImageData(t,e){const s=e.targetCanvas.getContext("2d"),r=e.destinationWidth,i=e.destinationHeight,n=r*i*4;if(!s)return;const a=new Uint8Array(this.imageBuffer,0,n),l=new Uint8ClampedArray(this.imageBuffer,0,n);t.readPixels(0,0,r,i,t.RGBA,t.UNSIGNED_BYTE,a);const h=new ImageData(l,r,i);s.putImageData(h,0,0)}captureGPUInfo(){if(this.gpuInfo)return this.gpuInfo;const t=this.gl,e={renderer:"",vendor:""};if(!t)return e;const s=t.getExtension("WEBGL_debug_renderer_info");if(s){const r=t.getParameter(s.UNMASKED_RENDERER_WEBGL),i=t.getParameter(s.UNMASKED_VENDOR_WEBGL);r&&(e.renderer=r.toLowerCase()),i&&(e.vendor=i.toLowerCase())}return this.gpuInfo=e,e}}let yr;function Jl(){const{WebGLProbe:o}=Rt();return o.queryWebGL($t()),F.enableGLFiltering&&o.isSupported(F.textureSize)?new Kn({tileSize:F.textureSize}):new Zl}function _r(){return!yr&&(!(arguments.length>0&&arguments[0]!==void 0)||arguments[0])&&(yr=Jl()),yr}const Ql=["filters","resizeFilter","src","crossOrigin","type"],$n=["cropX","cropY"];class yt extends at{static getDefaults(){return _(_({},super.getDefaults()),yt.ownDefaults)}constructor(t,e){super(),y(this,"_lastScaleX",1),y(this,"_lastScaleY",1),y(this,"_filterScalingX",1),y(this,"_filterScalingY",1),this.filters=[],Object.assign(this,yt.ownDefaults),this.setOptions(e),this.cacheKey="texture".concat(ae()),this.setElement(typeof t=="string"?(this.canvas&&Dt(this.canvas.getElement())||Pe()).getElementById(t):t,e)}getElement(){return this._element}setElement(t){var e;let s=arguments.length>1&&arguments[1]!==void 0?arguments[1]:{};this.removeTexture(this.cacheKey),this.removeTexture("".concat(this.cacheKey,"_filtered")),this._element=t,this._originalElement=t,this._setWidthHeight(s),(e=t.classList)===null||e===void 0||e.add(yt.CSS_CANVAS),this.filters.length!==0&&this.applyFilters(),this.resizeFilter&&this.applyResizeFilters()}removeTexture(t){const e=_r(!1);e instanceof Kn&&e.evictCachesForKey(t)}dispose(){super.dispose(),this.removeTexture(this.cacheKey),this.removeTexture("".concat(this.cacheKey,"_filtered")),this._cacheContext=null,["_originalElement","_element","_filteredEl","_cacheCanvas"].forEach((t=>{const e=this[t];e&&Rt().dispose(e),this[t]=void 0}))}getCrossOrigin(){return this._originalElement&&(this._originalElement.crossOrigin||null)}getOriginalSize(){const t=this.getElement();return t?{width:t.naturalWidth||t.width,height:t.naturalHeight||t.height}:{width:0,height:0}}_stroke(t){if(!this.stroke||this.strokeWidth===0)return;const e=this.width/2,s=this.height/2;t.beginPath(),t.moveTo(-e,-s),t.lineTo(e,-s),t.lineTo(e,s),t.lineTo(-e,s),t.lineTo(-e,-s),t.closePath()}toObject(){let t=arguments.length>0&&arguments[0]!==void 0?arguments[0]:[];const e=[];return this.filters.forEach((s=>{s&&e.push(s.toObject())})),_(_({},super.toObject([...$n,...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(){const t=[],e=this._element,s=-this.width/2,r=-this.height/2;let i=[],n=[],a="",l="";if(!e)return[];if(this.hasCrop()){const h=ae();i.push('<clipPath id="imageCrop_'+h+`">
58`,'	<rect x="'+s+'" y="'+r+'" width="'+this.width+'" height="'+this.height+`" />
59`,`</clipPath>
60`),a=' clip-path="url(#imageCrop_'+h+')" '}if(this.imageSmoothing||(l=' image-rendering="optimizeSpeed"'),t.push("	<image ","COMMON_PARTS",'xlink:href="'.concat(this.getSvgSrc(!0),'" x="').concat(s-this.cropX,'" y="').concat(r-this.cropY,'" width="').concat(e.width||e.naturalWidth,'" height="').concat(e.height||e.naturalHeight,'"').concat(l).concat(a,`></image>
61`)),this.stroke||this.strokeDashArray){const h=this.fill;this.fill=null,n=['	<rect x="'.concat(s,'" y="').concat(r,'" width="').concat(this.width,'" height="').concat(this.height,'" style="').concat(this.getSvgStyles(),`" />
62`)],this.fill=h}return i=this.paintFirst!==Q?i.concat(n,t):i.concat(t,n),i}getSrc(t){const 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:s}=arguments.length>1&&arguments[1]!==void 0?arguments[1]:{};return As(t,{crossOrigin:e,signal:s}).then((r=>{e!==void 0&&this.set({crossOrigin:e}),this.setElement(r)}))}toString(){return'#<Image: { src: "'.concat(this.getSrc(),'" }>')}applyResizeFilters(){const t=this.resizeFilter,e=this.minimumScaleTrigger,s=this.getTotalObjectScaling(),r=s.x,i=s.y,n=this._filteredEl||this._originalElement;if(this.group&&this.set("dirty",!0),!t||r>e&&i>e)return this._element=n,this._filterScalingX=1,this._filterScalingY=1,this._lastScaleX=r,void(this._lastScaleY=i);const a=St(n),{width:l,height:h}=n;this._element=a,this._lastScaleX=t.scaleX=r,this._lastScaleY=t.scaleY=i,_r().applyFilters([t],n,l,h,this._element),this._filterScalingX=a.width/this._originalElement.width,this._filterScalingY=a.height/this._originalElement.height}applyFilters(){let t=arguments.length>0&&arguments[0]!==void 0?arguments[0]:this.filters||[];if(t=t.filter((i=>i&&!i.isNeutralState())),this.set("dirty",!0),this.removeTexture("".concat(this.cacheKey,"_filtered")),t.length===0)return this._element=this._originalElement,this._filteredEl=void 0,this._filterScalingX=1,void(this._filterScalingY=1);const e=this._originalElement,s=e.naturalWidth||e.width,r=e.naturalHeight||e.height;if(this._element===this._originalElement){const i=St({width:s,height:r});this._element=i,this._filteredEl=i}else this._filteredEl&&(this._element=this._filteredEl,this._filteredEl.getContext("2d").clearRect(0,0,s,r),this._lastScaleX=1,this._lastScaleY=1);_r().applyFilters(t,this._originalElement,s,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,this.isMoving!==!0&&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){const e=this._element;if(!e)return;const s=this._filterScalingX,r=this._filterScalingY,i=this.width,n=this.height,a=Math.max(this.cropX,0),l=Math.max(this.cropY,0),h=e.naturalWidth||e.width,c=e.naturalHeight||e.height,u=a*s,d=l*r,g=Math.min(i*s,h-u),m=Math.min(n*r,c-d),v=-i/2,p=-n/2,f=Math.min(i,h/s-a),b=Math.min(n,c/r-l);e&&t.drawImage(e,u,d,g,m,v,p,f,b)}_needsResize(){const 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&&arguments[0]!==void 0?arguments[0]:{};const s=this.getOriginalSize();this.width=t||s.width,this.height=e||s.height}parsePreserveAspectRatioAttribute(){const t=No(this.preserveAspectRatio||""),e=this.width,s=this.height,r={width:e,height:s};let i,n=this._element.width,a=this._element.height,l=1,h=1,c=0,u=0,d=0,g=0;return!t||t.alignX===ft&&t.alignY===ft?(l=e/n,h=s/a):(t.meetOrSlice==="meet"&&(l=h=al(this._element,r),i=(e-n*l)/2,t.alignX==="Min"&&(c=-i),t.alignX==="Max"&&(c=i),i=(s-a*h)/2,t.alignY==="Min"&&(u=-i),t.alignY==="Max"&&(u=i)),t.meetOrSlice==="slice"&&(l=h=ll(this._element,r),i=n-e/l,t.alignX==="Mid"&&(d=i/2),t.alignX==="Max"&&(d=i),i=a-s/h,t.alignY==="Mid"&&(g=i/2),t.alignY==="Max"&&(g=i),n=e/l,a=s/h)),{width:n,height:a,scaleX:l,scaleY:h,offsetLeft:c,offsetTop:u,cropX:d,cropY:g}}static fromObject(t,e){let{filters:s,resizeFilter:r,src:i,crossOrigin:n,type:a}=t,l=z(t,Ql);return Promise.all([As(i,_(_({},e),{},{crossOrigin:n})),s&&cs(s,e),r&&cs([r],e),Qs(l,e)]).then((h=>{let[c,u=[],[d]=[],g={}]=h;return new this(c,_(_({},l),{},{src:i,filters:u,resizeFilter:d},g))}))}static fromURL(t){let{crossOrigin:e=null,signal:s}=arguments.length>1&&arguments[1]!==void 0?arguments[1]:{},r=arguments.length>2?arguments[2]:void 0;return As(t,{crossOrigin:e,signal:s}).then((i=>new this(i,r)))}static async fromElement(t){let e=arguments.length>1&&arguments[1]!==void 0?arguments[1]:{},s=arguments.length>2?arguments[2]:void 0;const r=te(t,this.ATTRIBUTE_NAMES,s);return this.fromURL(r["xlink:href"]||r.href,e,r).catch((i=>(oe("log","Unable to parse Image",i),null)))}}y(yt,"type","Image"),y(yt,"cacheProperties",[...Qt,...$n]),y(yt,"ownDefaults",{strokeWidth:0,srcFromAttribute:!1,minimumScaleTrigger:.5,cropX:0,cropY:0,imageSmoothing:!0}),y(yt,"CSS_CANVAS","canvas-img"),y(yt,"ATTRIBUTE_NAMES",[...he,"x","y","width","height","preserveAspectRatio","xlink:href","href","crossOrigin","image-rendering"]),k.setClass(yt),k.setSVGClass(yt);er(["pattern","defs","symbol","metadata","clipPath","mask","desc"]);const nr=o=>o.webgl!==void 0,ei="precision highp float",th=`
63    `.concat(ei,`;
64    varying vec2 vTexCoord;
65    uniform sampler2D uTexture;
66    void main() {
67      gl_FragColor = texture2D(uTexture, vTexCoord);
68    }`),eh=["type"],sh=["type"],rh=new RegExp(ei,"g");class Z{get type(){return this.constructor.type}constructor(){let t=z(arguments.length>0&&arguments[0]!==void 0?arguments[0]:{},eh);Object.assign(this,this.constructor.defaults,t)}getFragmentSource(){return th}getVertexSource(){return`
69    attribute vec2 aPosition;
70    varying vec2 vTexCoord;
71    void main() {
72      vTexCoord = aPosition;
73      gl_Position = vec4(aPosition * 2.0 - 1.0, 0.0, 1.0);
74    }`}createProgram(t){let e=arguments.length>1&&arguments[1]!==void 0?arguments[1]:this.getFragmentSource(),s=arguments.length>2&&arguments[2]!==void 0?arguments[2]:this.getVertexSource();const{WebGLProbe:{GLPrecision:r="highp"}}=Rt();r!=="highp"&&(e=e.replace(rh,ei.replace("highp",r)));const i=t.createShader(t.VERTEX_SHADER),n=t.createShader(t.FRAGMENT_SHADER),a=t.createProgram();if(!i||!n||!a)throw new Bt("Vertex, fragment shader or program creation error");if(t.shaderSource(i,s),t.compileShader(i),!t.getShaderParameter(i,t.COMPILE_STATUS))throw new Bt("Vertex shader compile error for ".concat(this.type,": ").concat(t.getShaderInfoLog(i)));if(t.shaderSource(n,e),t.compileShader(n),!t.getShaderParameter(n,t.COMPILE_STATUS))throw new Bt("Fragment shader compile error for ".concat(this.type,": ").concat(t.getShaderInfoLog(n)));if(t.attachShader(a,i),t.attachShader(a,n),t.linkProgram(a),!t.getProgramParameter(a,t.LINK_STATUS))throw new Bt('Shader link error for "'.concat(this.type,'" ').concat(t.getProgramInfoLog(a)));const l=this.getUniformLocations(t,a)||{};return l.uStepW=t.getUniformLocation(a,"uStepW"),l.uStepH=t.getUniformLocation(a,"uStepH"),{program:a,attributeLocations:this.getAttributeLocations(t,a),uniformLocations:l}}getAttributeLocations(t,e){return{aPosition:t.getAttribLocation(e,"aPosition")}}getUniformLocations(t,e){const s=this.constructor.uniformLocations,r={};for(let i=0;i<s.length;i++)r[s[i]]=t.getUniformLocation(e,s[i]);return r}sendAttributeData(t,e,s){const r=e.aPosition,i=t.createBuffer();t.bindBuffer(t.ARRAY_BUFFER,i),t.enableVertexAttribArray(r),t.vertexAttribPointer(r,2,t.FLOAT,!1,0,0),t.bufferData(t.ARRAY_BUFFER,s,t.STATIC_DRAW)}_setupFrameBuffer(t){const e=t.context;if(t.passes>1){const s=t.destinationWidth,r=t.destinationHeight;t.sourceWidth===s&&t.sourceHeight===r||(e.deleteTexture(t.targetTexture),t.targetTexture=t.filterBackend.createTexture(e,s,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++;const e=t.targetTexture;t.targetTexture=t.sourceTexture,t.sourceTexture=e}isNeutralState(t){return!1}applyTo(t){nr(t)?(this._setupFrameBuffer(t),this.applyToWebGL(t),this._swapTextures(t)):this.applyTo2d(t)}applyTo2d(t){}getCacheKey(){return this.type}retrieveShader(t){const e=this.getCacheKey();return t.programCache[e]||(t.programCache[e]=this.createProgram(t.context)),t.programCache[e]}applyToWebGL(t){const e=t.context,s=this.retrieveShader(t);t.pass===0&&t.originalTexture?e.bindTexture(e.TEXTURE_2D,t.originalTexture):e.bindTexture(e.TEXTURE_2D,t.sourceTexture),e.useProgram(s.program),this.sendAttributeData(e,s.attributeLocations,t.aPosition),e.uniform1f(s.uniformLocations.uStepW,1/t.sourceWidth),e.uniform1f(s.uniformLocations.uStepH,1/t.sourceHeight),this.sendUniformData(e,s.uniformLocations),e.viewport(0,0,t.destinationWidth,t.destinationHeight),e.drawArrays(e.TRIANGLE_STRIP,0,4)}bindAdditionalTexture(t,e,s){t.activeTexture(s),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){const{sourceWidth:e,sourceHeight:s}=t,r=St({width:e,height:s});t.helpLayer=r}}toObject(){const t=Object.keys(this.constructor.defaults||{});return _({type:this.type},t.reduce(((e,s)=>(e[s]=this[s],e)),{}))}toJSON(){return this.toObject()}static async fromObject(t,e){return new this(z(t,sh))}}y(Z,"type","BaseFilter"),y(Z,"uniformLocations",[]);const ih={multiply:`gl_FragColor.rgb *= uColor.rgb;
75`,screen:`gl_FragColor.rgb = 1.0 - (1.0 - gl_FragColor.rgb) * (1.0 - uColor.rgb);
76`,add:`gl_FragColor.rgb += uColor.rgb;
77`,difference:`gl_FragColor.rgb = abs(gl_FragColor.rgb - uColor.rgb);
78`,subtract:`gl_FragColor.rgb -= uColor.rgb;
79`,lighten:`gl_FragColor.rgb = max(gl_FragColor.rgb, uColor.rgb);
80`,darken:`gl_FragColor.rgb = min(gl_FragColor.rgb, uColor.rgb);
81`,exclusion:`gl_FragColor.rgb += uColor.rgb - 2.0 * (uColor.rgb * gl_FragColor.rgb);
82`,overlay:`
83    if (uColor.r < 0.5) {
84      gl_FragColor.r *= 2.0 * uColor.r;
85    } else {
86      gl_FragColor.r = 1.0 - 2.0 * (1.0 - gl_FragColor.r) * (1.0 - uColor.r);
87    }
88    if (uColor.g < 0.5) {
89      gl_FragColor.g *= 2.0 * uColor.g;
90    } else {
91      gl_FragColor.g = 1.0 - 2.0 * (1.0 - gl_FragColor.g) * (1.0 - uColor.g);
92    }
93    if (uColor.b < 0.5) {
94      gl_FragColor.b *= 2.0 * uColor.b;
95    } else {
96      gl_FragColor.b = 1.0 - 2.0 * (1.0 - gl_FragColor.b) * (1.0 - uColor.b);
97    }
98    `,tint:`
99    gl_FragColor.rgb *= (1.0 - uColor.a);
100    gl_FragColor.rgb += uColor.rgb;
101    `};class We extends Z{getCacheKey(){return"".concat(this.type,"_").concat(this.mode)}getFragmentSource(){return`
102      precision highp float;
103      uniform sampler2D uTexture;
104      uniform vec4 uColor;
105      varying vec2 vTexCoord;
106      void main() {
107        vec4 color = texture2D(uTexture, vTexCoord);
108        gl_FragColor = color;
109        if (color.a > 0.0) {
110          `.concat(ih[this.mode],`
111        }
112      }
113      `)}applyTo2d(t){let{imageData:{data:e}}=t;const s=new I(this.color).getSource(),r=this.alpha,i=s[0]*r,n=s[1]*r,a=s[2]*r,l=1-r;for(let h=0;h<e.length;h+=4){const c=e[h],u=e[h+1],d=e[h+2];let g,m,v;switch(this.mode){case"multiply":g=c*i/255,m=u*n/255,v=d*a/255;break;case"screen":g=255-(255-c)*(255-i)/255,m=255-(255-u)*(255-n)/255,v=255-(255-d)*(255-a)/255;break;case"add":g=c+i,m=u+n,v=d+a;break;case"difference":g=Math.abs(c-i),m=Math.abs(u-n),v=Math.abs(d-a);break;case"subtract":g=c-i,m=u-n,v=d-a;break;case"darken":g=Math.min(c,i),m=Math.min(u,n),v=Math.min(d,a);break;case"lighten":g=Math.max(c,i),m=Math.max(u,n),v=Math.max(d,a);break;case"overlay":g=i<128?2*c*i/255:255-2*(255-c)*(255-i)/255,m=n<128?2*u*n/255:255-2*(255-u)*(255-n)/255,v=a<128?2*d*a/255:255-2*(255-d)*(255-a)/255;break;case"exclusion":g=i+c-2*i*c/255,m=n+u-2*n*u/255,v=a+d-2*a*d/255;break;case"tint":g=i+c*l,m=n+u*l,v=a+d*l}e[h]=g,e[h+1]=m,e[h+2]=v}}sendUniformData(t,e){const s=new I(this.color).getSource();s[0]=this.alpha*s[0]/255,s[1]=this.alpha*s[1]/255,s[2]=this.alpha*s[2]/255,s[3]=this.alpha,t.uniform4fv(e.uColor,s)}}y(We,"defaults",{color:"#F95C63",mode:"multiply",alpha:1}),y(We,"type","BlendColor"),y(We,"uniformLocations",["uColor"]),k.setClass(We);const nh={multiply:`
114    precision highp float;
115    uniform sampler2D uTexture;
116    uniform sampler2D uImage;
117    uniform vec4 uColor;
118    varying vec2 vTexCoord;
119    varying vec2 vTexCoord2;
120    void main() {
121      vec4 color = texture2D(uTexture, vTexCoord);
122      vec4 color2 = texture2D(uImage, vTexCoord2);
123      color.rgba *= color2.rgba;
124      gl_FragColor = color;
125    }
126    `,mask:`
127    precision highp float;
128    uniform sampler2D uTexture;
129    uniform sampler2D uImage;
130    uniform vec4 uColor;
131    varying vec2 vTexCoord;
132    varying vec2 vTexCoord2;
133    void main() {
134      vec4 color = texture2D(uTexture, vTexCoord);
135      vec4 color2 = texture2D(uImage, vTexCoord2);
136      color.a = color2.a;
137      gl_FragColor = color;
138    }
139    `},oh=["type","image"];class Ge extends Z{getCacheKey(){return"".concat(this.type,"_").concat(this.mode)}getFragmentSource(){return nh[this.mode]}getVertexSource(){return`
140    attribute vec2 aPosition;
141    varying vec2 vTexCoord;
142    varying vec2 vTexCoord2;
143    uniform mat3 uTransformMatrix;
144    void main() {
145      vTexCoord = aPosition;
146      vTexCoord2 = (uTransformMatrix * vec3(aPosition, 1.0)).xy;
147      gl_Position = vec4(aPosition * 2.0 - 1.0, 0.0, 1.0);
148    }
149    `}applyToWebGL(t){const e=t.context,s=this.createTexture(t.filterBackend,this.image);this.bindAdditionalTexture(e,s,e.TEXTURE1),super.applyToWebGL(t),this.unbindAdditionalTexture(e,e.TEXTURE1)}createTexture(t,e){return t.getCachedTexture(e.cacheKey,e.getElement())}calculateMatrix(){const t=this.image,{width:e,height:s}=t.getElement();return[1/t.scaleX,0,0,0,1/t.scaleY,0,-t.left/e,-t.top/s,1]}applyTo2d(t){let{imageData:{data:e,width:s,height:r},filterBackend:{resources:i}}=t;const n=this.image;i.blendImage||(i.blendImage=$t());const a=i.blendImage,l=a.getContext("2d");a.width!==s||a.height!==r?(a.width=s,a.height=r):l.clearRect(0,0,s,r),l.setTransform(n.scaleX,0,0,n.scaleY,n.left,n.top),l.drawImage(n.getElement(),0,0,s,r);const h=l.getImageData(0,0,s,r).data;for(let c=0;c<e.length;c+=4){const u=e[c],d=e[c+1],g=e[c+2],m=e[c+3],v=h[c],p=h[c+1],f=h[c+2],b=h[c+3];switch(this.mode){case"multiply":e[c]=u*v/255,e[c+1]=d*p/255,e[c+2]=g*f/255,e[c+3]=m*b/255;break;case"mask":e[c+3]=b}}}sendUniformData(t,e){const s=this.calculateMatrix();t.uniform1i(e.uImage,1),t.uniformMatrix3fv(e.uTransformMatrix,!1,s)}toObject(){return _(_({},super.toObject()),{},{image:this.image&&this.image.toObject()})}static async fromObject(t,e){let{type:s,image:r}=t,i=z(t,oh);return yt.fromObject(r,e).then((n=>new this(_(_({},i),{},{image:n}))))}}y(Ge,"type","BlendImage"),y(Ge,"defaults",{mode:"multiply",alpha:1}),y(Ge,"uniformLocations",["uTransformMatrix","uImage"]),k.setClass(Ge);class ze extends Z{getFragmentSource(){return`
150    precision highp float;
151    uniform sampler2D uTexture;
152    uniform vec2 uDelta;
153    varying vec2 vTexCoord;
154    const float nSamples = 15.0;
155    vec3 v3offset = vec3(12.9898, 78.233, 151.7182);
156    float random(vec3 scale) {
157      /* use the fragment position for a different seed per-pixel */
158      return fract(sin(dot(gl_FragCoord.xyz, scale)) * 43758.5453);
159    }
160    void main() {
161      vec4 color = vec4(0.0);
162      float totalC = 0.0;
163      float totalA = 0.0;
164      float offset = random(v3offset);
165      for (float t = -nSamples; t <= nSamples; t++) {
166        float percent = (t + offset - 0.5) / nSamples;
167        vec4 sample = texture2D(uTexture, vTexCoord + uDelta * percent);
168        float weight = 1.0 - abs(percent);
169        float alpha = weight * sample.a;
170        color.rgb += sample.rgb * alpha;
171        color.a += alpha;
172        totalA += weight;
173        totalC += alpha;
174      }
175      gl_FragColor.rgb = color.rgb / totalC;
176      gl_FragColor.a = color.a / totalA;
177    }
178  `}applyTo(t){nr(t)?(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:s,height:r}}=t;this.aspectRatio=s/r,this.horizontal=!0;let i=this.getBlurValue()*s;const n=new Uint8ClampedArray(e),a=15,l=4*s;for(let h=0;h<e.length;h+=4){let c=0,u=0,d=0,g=0,m=0;const v=h-h%l,p=v+l;for(let f=-14;f<a;f++){const b=f/a,T=4*Math.floor(i*b),w=1-Math.abs(b);let S=h+T;S<v?S=v:S>p&&(S=p);const C=e[S+3]*w;c+=e[S]*C,u+=e[S+1]*C,d+=e[S+2]*C,g+=C,m+=w}n[h]=c/g,n[h+1]=u/g,n[h+2]=d/g,n[h+3]=g/m}this.horizontal=!1,i=this.getBlurValue()*r;for(let h=0;h<n.length;h+=4){let c=0,u=0,d=0,g=0,m=0;const v=h%l,p=n.length-l+v;for(let f=-14;f<a;f++){const b=f/a,T=Math.floor(i*b)*l,w=1-Math.abs(b);let S=h+T;S<v?S=v:S>p&&(S=p);const C=n[S+3]*w;c+=n[S]*C,u+=n[S+1]*C,d+=n[S+2]*C,g+=C,m+=w}e[h]=c/g,e[h+1]=u/g,e[h+2]=d/g,e[h+3]=g/m}}sendUniformData(t,e){const s=this.chooseRightDelta();t.uniform2fv(e.uDelta,s)}isNeutralState(){return this.blur===0}getBlurValue(){let t=1;const{horizontal:e,aspectRatio:s}=this;return e?s>1&&(t=1/s):s<1&&(t=s),t*this.blur*.12}chooseRightDelta(){const t=this.getBlurValue();return this.horizontal?[t,0]:[0,t]}}y(ze,"type","Blur"),y(ze,"defaults",{blur:0}),y(ze,"uniformLocations",["uDelta"]),k.setClass(ze);class Ne extends Z{getFragmentSource(){return`
179  precision highp float;
180  uniform sampler2D uTexture;
181  uniform float uBrightness;
182  varying vec2 vTexCoord;
183  void main() {
184    vec4 color = texture2D(uTexture, vTexCoord);
185    color.rgb += uBrightness;
186    gl_FragColor = color;
187  }
188`}applyTo2d(t){let{imageData:{data:e}}=t;const s=Math.round(255*this.brightness);for(let r=0;r<e.length;r+=4)e[r]+=s,e[r+1]+=s,e[r+2]+=s}isNeutralState(){return this.brightness===0}sendUniformData(t,e){t.uniform1f(e.uBrightness,this.brightness)}}y(Ne,"type","Brightness"),y(Ne,"defaults",{brightness:0}),y(Ne,"uniformLocations",["uBrightness"]),k.setClass(Ne);const Zn={matrix:[1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0],colorsOnly:!0};class me extends Z{getFragmentSource(){return`
189  precision highp float;
190  uniform sampler2D uTexture;
191  varying vec2 vTexCoord;
192  uniform mat4 uColorMatrix;
193  uniform vec4 uConstants;
194  void main() {
195    vec4 color = texture2D(uTexture, vTexCoord);
196    color *= uColorMatrix;
197    color += uConstants;
198    gl_FragColor = color;
199  }`}applyTo2d(t){const e=t.imageData.data,s=this.matrix,r=this.colorsOnly;for(let i=0;i<e.length;i+=4){const n=e[i],a=e[i+1],l=e[i+2];if(e[i]=n*s[0]+a*s[1]+l*s[2]+255*s[4],e[i+1]=n*s[5]+a*s[6]+l*s[7]+255*s[9],e[i+2]=n*s[10]+a*s[11]+l*s[12]+255*s[14],!r){const h=e[i+3];e[i]+=h*s[3],e[i+1]+=h*s[8],e[i+2]+=h*s[13],e[i+3]=n*s[15]+a*s[16]+l*s[17]+h*s[18]+255*s[19]}}}sendUniformData(t,e){const s=this.matrix,r=[s[0],s[1],s[2],s[3],s[5],s[6],s[7],s[8],s[10],s[11],s[12],s[13],s[15],s[16],s[17],s[18]],i=[s[4],s[9],s[14],s[19]];t.uniformMatrix4fv(e.uColorMatrix,!1,r),t.uniform4fv(e.uConstants,i)}toObject(){return _(_({},super.toObject()),{},{matrix:[...this.matrix]})}}function _e(o,t){var e;const s=(y(e=class extends me{toObject(){return{type:this.type,colorsOnly:this.colorsOnly}}},"type",o),y(e,"defaults",{colorsOnly:!1,matrix:t}),e);return k.setClass(s,o),s}y(me,"type","ColorMatrix"),y(me,"defaults",Zn),y(me,"uniformLocations",["uColorMatrix","uConstants"]),k.setClass(me);const ah=_e("Brownie",[.5997,.34553,-.27082,0,.186,-.0377,.86095,.15059,0,-.1449,.24113,-.07441,.44972,0,-.02965,0,0,0,1,0]),lh=_e("Vintage",[.62793,.32021,-.03965,0,.03784,.02578,.64411,.03259,0,.02926,.0466,-.08512,.52416,0,.02023,0,0,0,1,0]),hh=_e("Kodachrome",[1.12855,-.39673,-.03992,0,.24991,-.16404,1.08352,-.05498,0,.09698,-.16786,-.56034,1.60148,0,.13972,0,0,0,1,0]),ch=_e("Technicolor",[1.91252,-.85453,-.09155,0,.04624,-.30878,1.76589,-.10601,0,-.27589,-.2311,-.75018,1.84759,0,.12137,0,0,0,1,0]),uh=_e("Polaroid",[1.438,-.062,-.062,0,0,-.122,1.378,-.122,0,0,-.016,-.016,1.483,0,0,0,0,0,1,0]),dh=_e("Sepia",[.393,.769,.189,0,0,.349,.686,.168,0,0,.272,.534,.131,0,0,0,0,0,1,0]),gh=_e("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]);class Br extends Z{constructor(){let t=arguments.length>0&&arguments[0]!==void 0?arguments[0]:{};super(t),this.subFilters=t.subFilters||[]}applyTo(t){nr(t)&&(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((s=>k.getClass(s.type).fromObject(s,e)))).then((s=>new this({subFilters:s})))}}y(Br,"type","Composed"),k.setClass(Br);class He extends Z{getFragmentSource(){return`
200  precision highp float;
201  uniform sampler2D uTexture;
202  uniform float uContrast;
203  varying vec2 vTexCoord;
204  void main() {
205    vec4 color = texture2D(uTexture, vTexCoord);
206    float contrastF = 1.015 * (uContrast + 1.0) / (1.0 * (1.015 - uContrast));
207    color.rgb = contrastF * (color.rgb - 0.5) + 0.5;
208    gl_FragColor = color;
209  }`}isNeutralState(){return this.contrast===0}applyTo2d(t){let{imageData:{data:e}}=t;const s=Math.floor(255*this.contrast),r=259*(s+255)/(255*(259-s));for(let i=0;i<e.length;i+=4)e[i]=r*(e[i]-128)+128,e[i+1]=r*(e[i+1]-128)+128,e[i+2]=r*(e[i+2]-128)+128}sendUniformData(t,e){t.uniform1f(e.uContrast,this.contrast)}}y(He,"type","Contrast"),y(He,"defaults",{contrast:0}),y(He,"uniformLocations",["uContrast"]),k.setClass(He);const fh={Convolute_3_1:`
210    precision highp float;
211    uniform sampler2D uTexture;
212    uniform float uMatrix[9];
213    uniform float uStepW;
214    uniform float uStepH;
215    varying vec2 vTexCoord;
216    void main() {
217      vec4 color = vec4(0, 0, 0, 0);
218      for (float h = 0.0; h < 3.0; h+=1.0) {
219        for (float w = 0.0; w < 3.0; w+=1.0) {
220          vec2 matrixPos = vec2(uStepW * (w - 1), uStepH * (h - 1));
221          color += texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 3.0 + w)];
222        }
223      }
224      gl_FragColor = color;
225    }
226    `,Convolute_3_0:`
227    precision highp float;
228    uniform sampler2D uTexture;
229    uniform float uMatrix[9];
230    uniform float uStepW;
231    uniform float uStepH;
232    varying vec2 vTexCoord;
233    void main() {
234      vec4 color = vec4(0, 0, 0, 1);
235      for (float h = 0.0; h < 3.0; h+=1.0) {
236        for (float w = 0.0; w < 3.0; w+=1.0) {
237          vec2 matrixPos = vec2(uStepW * (w - 1.0), uStepH * (h - 1.0));
238          color.rgb += texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 3.0 + w)];
239        }
240      }
241      float alpha = texture2D(uTexture, vTexCoord).a;
242      gl_FragColor = color;
243      gl_FragColor.a = alpha;
244    }
245    `,Convolute_5_1:`
246    precision highp float;
247    uniform sampler2D uTexture;
248    uniform float uMatrix[25];
249    uniform float uStepW;
250    uniform float uStepH;
251    varying vec2 vTexCoord;
252    void main() {
253      vec4 color = vec4(0, 0, 0, 0);
254      for (float h = 0.0; h < 5.0; h+=1.0) {
255        for (float w = 0.0; w < 5.0; w+=1.0) {
256          vec2 matrixPos = vec2(uStepW * (w - 2.0), uStepH * (h - 2.0));
257          color += texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 5.0 + w)];
258        }
259      }
260      gl_FragColor = color;
261    }
262    `,Convolute_5_0:`
263    precision highp float;
264    uniform sampler2D uTexture;
265    uniform float uMatrix[25];
266    uniform float uStepW;
267    uniform float uStepH;
268    varying vec2 vTexCoord;
269    void main() {
270      vec4 color = vec4(0, 0, 0, 1);
271      for (float h = 0.0; h < 5.0; h+=1.0) {
272        for (float w = 0.0; w < 5.0; w+=1.0) {
273          vec2 matrixPos = vec2(uStepW * (w - 2.0), uStepH * (h - 2.0));
274          color.rgb += texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 5.0 + w)];
275        }
276      }
277      float alpha = texture2D(uTexture, vTexCoord).a;
278      gl_FragColor = color;
279      gl_FragColor.a = alpha;
280    }
281    `,Convolute_7_1:`
282    precision highp float;
283    uniform sampler2D uTexture;
284    uniform float uMatrix[49];
285    uniform float uStepW;
286    uniform float uStepH;
287    varying vec2 vTexCoord;
288    void main() {
289      vec4 color = vec4(0, 0, 0, 0);
290      for (float h = 0.0; h < 7.0; h+=1.0) {
291        for (float w = 0.0; w < 7.0; w+=1.0) {
292          vec2 matrixPos = vec2(uStepW * (w - 3.0), uStepH * (h - 3.0));
293          color += texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 7.0 + w)];
294        }
295      }
296      gl_FragColor = color;
297    }
298    `,Convolute_7_0:`
299    precision highp float;
300    uniform sampler2D uTexture;
301    uniform float uMatrix[49];
302    uniform float uStepW;
303    uniform float uStepH;
304    varying vec2 vTexCoord;
305    void main() {
306      vec4 color = vec4(0, 0, 0, 1);
307      for (float h = 0.0; h < 7.0; h+=1.0) {
308        for (float w = 0.0; w < 7.0; w+=1.0) {
309          vec2 matrixPos = vec2(uStepW * (w - 3.0), uStepH * (h - 3.0));
310          color.rgb += texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 7.0 + w)];
311        }
312      }
313      float alpha = texture2D(uTexture, vTexCoord).a;
314      gl_FragColor = color;
315      gl_FragColor.a = alpha;
316    }
317    `,Convolute_9_1:`
318    precision highp float;
319    uniform sampler2D uTexture;
320    uniform float uMatrix[81];
321    uniform float uStepW;
322    uniform float uStepH;
323    varying vec2 vTexCoord;
324    void main() {
325      vec4 color = vec4(0, 0, 0, 0);
326      for (float h = 0.0; h < 9.0; h+=1.0) {
327        for (float w = 0.0; w < 9.0; w+=1.0) {
328          vec2 matrixPos = vec2(uStepW * (w - 4.0), uStepH * (h - 4.0));
329          color += texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 9.0 + w)];
330        }
331      }
332      gl_FragColor = color;
333    }
334    `,Convolute_9_0:`
335    precision highp float;
336    uniform sampler2D uTexture;
337    uniform float uMatrix[81];
338    uniform float uStepW;
339    uniform float uStepH;
340    varying vec2 vTexCoord;
341    void main() {
342      vec4 color = vec4(0, 0, 0, 1);
343      for (float h = 0.0; h < 9.0; h+=1.0) {
344        for (float w = 0.0; w < 9.0; w+=1.0) {
345          vec2 matrixPos = vec2(uStepW * (w - 4.0), uStepH * (h - 4.0));
346          color.rgb += texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 9.0 + w)];
347        }
348      }
349      float alpha = texture2D(uTexture, vTexCoord).a;
350      gl_FragColor = color;
351      gl_FragColor.a = alpha;
352    }
353    `};class Ue extends Z{getCacheKey(){return"".concat(this.type,"_").concat(Math.sqrt(this.matrix.length),"_").concat(this.opaque?1:0)}getFragmentSource(){return fh[this.getCacheKey()]}applyTo2d(t){const e=t.imageData,s=e.data,r=this.matrix,i=Math.round(Math.sqrt(r.length)),n=Math.floor(i/2),a=e.width,l=e.height,h=t.ctx.createImageData(a,l),c=h.data,u=this.opaque?1:0;let d,g,m,v,p,f,b,T,w,S,C,M,D;for(C=0;C<l;C++)for(S=0;S<a;S++){for(p=4*(C*a+S),d=0,g=0,m=0,v=0,D=0;D<i;D++)for(M=0;M<i;M++)b=C+D-n,f=S+M-n,b<0||b>=l||f<0||f>=a||(T=4*(b*a+f),w=r[D*i+M],d+=s[T]*w,g+=s[T+1]*w,m+=s[T+2]*w,u||(v+=s[T+3]*w));c[p]=d,c[p+1]=g,c[p+2]=m,c[p+3]=u?s[p+3]:v}t.imageData=h}sendUniformData(t,e){t.uniform1fv(e.uMatrix,this.matrix)}toObject(){return _(_({},super.toObject()),{},{opaque:this.opaque,matrix:[...this.matrix]})}}y(Ue,"type","Convolute"),y(Ue,"defaults",{opaque:!1,matrix:[0,0,0,0,1,0,0,0,0]}),y(Ue,"uniformLocations",["uMatrix","uOpaque","uHalfSize","uSize"]),k.setClass(Ue);const Jn="Gamma";class qe extends Z{getFragmentSource(){return`
354  precision highp float;
355  uniform sampler2D uTexture;
356  uniform vec3 uGamma;
357  varying vec2 vTexCoord;
358  void main() {
359    vec4 color = texture2D(uTexture, vTexCoord);
360    vec3 correction = (1.0 / uGamma);
361    color.r = pow(color.r, correction.r);
362    color.g = pow(color.g, correction.g);
363    color.b = pow(color.b, correction.b);
364    gl_FragColor = color;
365    gl_FragColor.rgb *= color.a;
366  }
367`}constructor(){let t=arguments.length>0&&arguments[0]!==void 0?arguments[0]:{};super(t),this.gamma=t.gamma||this.constructor.defaults.gamma.concat()}applyTo2d(t){let{imageData:{data:e}}=t;const s=this.gamma,r=1/s[0],i=1/s[1],n=1/s[2];this.rgbValues||(this.rgbValues={r:new Uint8Array(256),g:new Uint8Array(256),b:new Uint8Array(256)});const a=this.rgbValues;for(let l=0;l<256;l++)a.r[l]=255*Math.pow(l/255,r),a.g[l]=255*Math.pow(l/255,i),a.b[l]=255*Math.pow(l/255,n);for(let l=0;l<e.length;l+=4)e[l]=a.r[e[l]],e[l+1]=a.g[e[l+1]],e[l+2]=a.b[e[l+2]]}sendUniformData(t,e){t.uniform3fv(e.uGamma,this.gamma)}isNeutralState(){const{gamma:t}=this;return t[0]===1&&t[1]===1&&t[2]===1}toObject(){return{type:Jn,gamma:this.gamma.concat()}}}y(qe,"type",Jn),y(qe,"defaults",{gamma:[1,1,1]}),y(qe,"uniformLocations",["uGamma"]),k.setClass(qe);const ph={average:`
368    precision highp float;
369    uniform sampler2D uTexture;
370    varying vec2 vTexCoord;
371    void main() {
372      vec4 color = texture2D(uTexture, vTexCoord);
373      float average = (color.r + color.b + color.g) / 3.0;
374      gl_FragColor = vec4(average, average, average, color.a);
375    }
376    `,lightness:`
377    precision highp float;
378    uniform sampler2D uTexture;
379    uniform int uMode;
380    varying vec2 vTexCoord;
381    void main() {
382      vec4 col = texture2D(uTexture, vTexCoord);
383      float average = (max(max(col.r, col.g),col.b) + min(min(col.r, col.g),col.b)) / 2.0;
384      gl_FragColor = vec4(average, average, average, col.a);
385    }
386    `,luminosity:`
387    precision highp float;
388    uniform sampler2D uTexture;
389    uniform int uMode;
390    varying vec2 vTexCoord;
391    void main() {
392      vec4 col = texture2D(uTexture, vTexCoord);
393      float average = 0.21 * col.r + 0.72 * col.g + 0.07 * col.b;
394      gl_FragColor = vec4(average, average, average, col.a);
395    }
396    `};class Ke extends Z{applyTo2d(t){let{imageData:{data:e}}=t;for(let s,r=0;r<e.length;r+=4){const i=e[r],n=e[r+1],a=e[r+2];switch(this.mode){case"average":s=(i+n+a)/3;break;case"lightness":s=(Math.min(i,n,a)+Math.max(i,n,a))/2;break;case"luminosity":s=.21*i+.72*n+.07*a}e[r+2]=e[r+1]=e[r]=s}}getCacheKey(){return"".concat(this.type,"_").concat(this.mode)}getFragmentSource(){return ph[this.mode]}sendUniformData(t,e){t.uniform1i(e.uMode,1)}isNeutralState(){return!1}}y(Ke,"type","Grayscale"),y(Ke,"defaults",{mode:"average"}),y(Ke,"uniformLocations",["uMode"]),k.setClass(Ke);const mh=_(_({},Zn),{},{rotation:0});class Ls extends me{calculateMatrix(){const t=this.rotation*Math.PI,e=qt(t),s=Kt(t),r=1/3,i=Math.sqrt(r)*s,n=1-e;this.matrix=[e+n/3,r*n-i,r*n+i,0,0,r*n+i,e+r*n,r*n-i,0,0,r*n-i,r*n+i,e+r*n,0,0,0,0,0,1,0]}isNeutralState(){return this.rotation===0}applyTo(t){this.calculateMatrix(),super.applyTo(t)}toObject(){return{type:this.type,rotation:this.rotation}}}y(Ls,"type","HueRotation"),y(Ls,"defaults",mh),k.setClass(Ls);class $e extends Z{applyTo2d(t){let{imageData:{data:e}}=t;for(let s=0;s<e.length;s+=4)e[s]=255-e[s],e[s+1]=255-e[s+1],e[s+2]=255-e[s+2],this.alpha&&(e[s+3]=255-e[s+3])}getFragmentSource(){return`
397  precision highp float;
398  uniform sampler2D uTexture;
399  uniform int uInvert;
400  uniform int uAlpha;
401  varying vec2 vTexCoord;
402  void main() {
403    vec4 color = texture2D(uTexture, vTexCoord);
404    if (uInvert == 1) {
405      if (uAlpha == 1) {
406        gl_FragColor = vec4(1.0 - color.r,1.0 -color.g,1.0 -color.b,1.0 -color.a);
407      } else {
408        gl_FragColor = vec4(1.0 - color.r,1.0 -color.g,1.0 -color.b,color.a);
409      }
410    } else {
411      gl_FragColor = color;
412    }
413  }
414`}isNeutralState(){return!this.invert}sendUniformData(t,e){t.uniform1i(e.uInvert,Number(this.invert)),t.uniform1i(e.uAlpha,Number(this.alpha))}}y($e,"type","Invert"),y($e,"defaults",{alpha:!1,invert:!0}),y($e,"uniformLocations",["uInvert","uAlpha"]),k.setClass($e);class Ze extends Z{getFragmentSource(){return`
415  precision highp float;
416  uniform sampler2D uTexture;
417  uniform float uStepH;
418  uniform float uNoise;
419  uniform float uSeed;
420  varying vec2 vTexCoord;
421  float rand(vec2 co, float seed, float vScale) {
422    return fract(sin(dot(co.xy * vScale ,vec2(12.9898 , 78.233))) * 43758.5453 * (seed + 0.01) / 2.0);
423  }
424  void main() {
425    vec4 color = texture2D(uTexture, vTexCoord);
426    color.rgb += (0.5 - rand(vTexCoord, uSeed, 0.1 / uStepH)) * uNoise;
427    gl_FragColor = color;
428  }
429`}applyTo2d(t){let{imageData:{data:e}}=t;const s=this.noise;for(let r=0;r<e.length;r+=4){const i=(.5-Math.random())*s;e[r]+=i,e[r+1]+=i,e[r+2]+=i}}sendUniformData(t,e){t.uniform1f(e.uNoise,this.noise/255),t.uniform1f(e.uSeed,Math.random())}isNeutralState(){return this.noise===0}}y(Ze,"type","Noise"),y(Ze,"defaults",{noise:0}),y(Ze,"uniformLocations",["uNoise","uSeed"]),k.setClass(Ze);class Je extends Z{applyTo2d(t){let{imageData:{data:e,width:s,height:r}}=t;for(let i=0;i<r;i+=this.blocksize)for(let n=0;n<s;n+=this.blocksize){const a=4*i*s+4*n,l=e[a],h=e[a+1],c=e[a+2],u=e[a+3];for(let d=i;d<Math.min(i+this.blocksize,r);d++)for(let g=n;g<Math.min(n+this.blocksize,s);g++){const m=4*d*s+4*g;e[m]=l,e[m+1]=h,e[m+2]=c,e[m+3]=u}}}isNeutralState(){return this.blocksize===1}getFragmentSource(){return`
430  precision highp float;
431  uniform sampler2D uTexture;
432  uniform float uBlocksize;
433  uniform float uStepW;
434  uniform float uStepH;
435  varying vec2 vTexCoord;
436  void main() {
437    float blockW = uBlocksize * uStepW;
438    float blockH = uBlocksize * uStepH;
439    int posX = int(vTexCoord.x / blockW);
440    int posY = int(vTexCoord.y / blockH);
441    float fposX = float(posX);
442    float fposY = float(posY);
443    vec2 squareCoords = vec2(fposX * blockW, fposY * blockH);
444    vec4 color = texture2D(uTexture, squareCoords);
445    gl_FragColor = color;
446  }
447`}sendUniformData(t,e){t.uniform1f(e.uBlocksize,this.blocksize)}}y(Je,"type","Pixelate"),y(Je,"defaults",{blocksize:4}),y(Je,"uniformLocations",["uBlocksize"]),k.setClass(Je);class Qe extends Z{getFragmentSource(){return`
448precision highp float;
449uniform sampler2D uTexture;
450uniform vec4 uLow;
451uniform vec4 uHigh;
452varying vec2 vTexCoord;
453void main() {
454  gl_FragColor = texture2D(uTexture, vTexCoord);
455  if(all(greaterThan(gl_FragColor.rgb,uLow.rgb)) && all(greaterThan(uHigh.rgb,gl_FragColor.rgb))) {
456    gl_FragColor.a = 0.0;
457  }
458}
459`}applyTo2d(t){let{imageData:{data:e}}=t;const s=255*this.distance,r=new I(this.color).getSource(),i=[r[0]-s,r[1]-s,r[2]-s],n=[r[0]+s,r[1]+s,r[2]+s];for(let a=0;a<e.length;a+=4){const l=e[a],h=e[a+1],c=e[a+2];l>i[0]&&h>i[1]&&c>i[2]&&l<n[0]&&h<n[1]&&c<n[2]&&(e[a+3]=0)}}sendUniformData(t,e){const s=new I(this.color).getSource(),r=this.distance,i=[0+s[0]/255-r,0+s[1]/255-r,0+s[2]/255-r,1],n=[s[0]/255+r,s[1]/255+r,s[2]/255+r,1];t.uniform4fv(e.uLow,i),t.uniform4fv(e.uHigh,n)}}y(Qe,"type","RemoveColor"),y(Qe,"defaults",{color:"#FFFFFF",distance:.02,useAlpha:!1}),y(Qe,"uniformLocations",["uLow","uHigh"]),k.setClass(Qe);class ts extends Z{sendUniformData(t,e){t.uniform2fv(e.uDelta,this.horizontal?[1/this.width,0]:[0,1/this.height]),t.uniform1fv(e.uTaps,this.taps)}getFilterWindow(){const t=this.tempScale;return Math.ceil(this.lanczosLobes/t)}getCacheKey(){const t=this.getFilterWindow();return"".concat(this.type,"_").concat(t)}getFragmentSource(){const t=this.getFilterWindow();return this.generateShader(t)}getTaps(){const t=this.lanczosCreate(this.lanczosLobes),e=this.tempScale,s=this.getFilterWindow(),r=new Array(s);for(let i=1;i<=s;i++)r[i-1]=t(i*e);return r}generateShader(t){const e=new Array(t);for(let s=1;s<=t;s++)e[s-1]="".concat(s,".0 * uDelta");return`
460      precision highp float;
461      uniform sampler2D uTexture;
462      uniform vec2 uDelta;
463      varying vec2 vTexCoord;
464      uniform float uTaps[`.concat(t,`];
465      void main() {
466        vec4 color = texture2D(uTexture, vTexCoord);
467        float sum = 1.0;
468        `).concat(e.map(((s,r)=>`
469              color += texture2D(uTexture, vTexCoord + `.concat(s,") * uTaps[").concat(r,"] + texture2D(uTexture, vTexCoord - ").concat(s,") * uTaps[").concat(r,`];
470              sum += 2.0 * uTaps[`).concat(r,`];
471            `))).join(`
472`),`
473        gl_FragColor = color / sum;
474      }
475    `)}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){nr(t)?this.applyToForWebgl(t):this.applyTo2d(t)}isNeutralState(){return this.scaleX===1&&this.scaleY===1}lanczosCreate(t){return e=>{if(e>=t||e<=-t)return 0;if(e<11920929e-14&&e>-11920929e-14)return 1;const s=(e*=Math.PI)/t;return Math.sin(e)/e*Math.sin(s)/s}}applyTo2d(t){const e=t.imageData,s=this.scaleX,r=this.scaleY;this.rcpScaleX=1/s,this.rcpScaleY=1/r;const i=e.width,n=e.height,a=Math.round(i*s),l=Math.round(n*r);let h;h=this.resizeType==="sliceHack"?this.sliceByTwo(t,i,n,a,l):this.resizeType==="hermite"?this.hermiteFastResize(t,i,n,a,l):this.resizeType==="bilinear"?this.bilinearFiltering(t,i,n,a,l):this.resizeType==="lanczos"?this.lanczosResize(t,i,n,a,l):new ImageData(a,l),t.imageData=h}sliceByTwo(t,e,s,r,i){const n=t.imageData,a=.5;let l=!1,h=!1,c=e*a,u=s*a;const d=t.filterBackend.resources;let g=0,m=0;const v=e;let p=0;d.sliceByTwo||(d.sliceByTwo=$t());const f=d.sliceByTwo;(f.width<1.5*e||f.height<s)&&(f.width=1.5*e,f.height=s);const b=f.getContext("2d");for(b.clearRect(0,0,1.5*e,s),b.putImageData(n,0,0),r=Math.floor(r),i=Math.floor(i);!l||!h;)e=c,s=u,r<Math.floor(c*a)?c=Math.floor(c*a):(c=r,l=!0),i<Math.floor(u*a)?u=Math.floor(u*a):(u=i,h=!0),b.drawImage(f,g,m,e,s,v,p,c,u),g=v,m=p,p+=u;return b.getImageData(g,m,r,i)}lanczosResize(t,e,s,r,i){const n=t.imageData.data,a=t.ctx.createImageData(r,i),l=a.data,h=this.lanczosCreate(this.lanczosLobes),c=this.rcpScaleX,u=this.rcpScaleY,d=2/this.rcpScaleX,g=2/this.rcpScaleY,m=Math.ceil(c*this.lanczosLobes/2),v=Math.ceil(u*this.lanczosLobes/2),p={},f={x:0,y:0},b={x:0,y:0};return(function T(w){let S,C,M,D,P,X,tt,Y,V,L,st;for(f.x=(w+.5)*c,b.x=Math.floor(f.x),S=0;S<i;S++){for(f.y=(S+.5)*u,b.y=Math.floor(f.y),P=0,X=0,tt=0,Y=0,V=0,C=b.x-m;C<=b.x+m;C++)if(!(C<0||C>=e)){L=Math.floor(1e3*Math.abs(C-f.x)),p[L]||(p[L]={});for(let et=b.y-v;et<=b.y+v;et++)et<0||et>=s||(st=Math.floor(1e3*Math.abs(et-f.y)),p[L][st]||(p[L][st]=h(Math.sqrt(Math.pow(L*d,2)+Math.pow(st*g,2))/1e3)),M=p[L][st],M>0&&(D=4*(et*e+C),P+=M,X+=M*n[D],tt+=M*n[D+1],Y+=M*n[D+2],V+=M*n[D+3]))}D=4*(S*r+w),l[D]=X/P,l[D+1]=tt/P,l[D+2]=Y/P,l[D+3]=V/P}return++w<r?T(w):a})(0)}bilinearFiltering(t,e,s,r,i){let n,a,l,h,c,u,d,g,m,v,p,f,b,T=0;const w=this.rcpScaleX,S=this.rcpScaleY,C=4*(e-1),M=t.imageData.data,D=t.ctx.createImageData(r,i),P=D.data;for(d=0;d<i;d++)for(g=0;g<r;g++)for(c=Math.floor(w*g),u=Math.floor(S*d),m=w*g-c,v=S*d-u,b=4*(u*e+c),p=0;p<4;p++)n=M[b+p],a=M[b+4+p],l=M[b+C+p],h=M[b+C+4+p],f=n*(1-m)*(1-v)+a*m*(1-v)+l*v*(1-m)+h*m*v,P[T++]=f;return D}hermiteFastResize(t,e,s,r,i){const n=this.rcpScaleX,a=this.rcpScaleY,l=Math.ceil(n/2),h=Math.ceil(a/2),c=t.imageData.data,u=t.ctx.createImageData(r,i),d=u.data;for(let g=0;g<i;g++)for(let m=0;m<r;m++){const v=4*(m+g*r);let p=0,f=0,b=0,T=0,w=0,S=0,C=0;const M=(g+.5)*a;for(let D=Math.floor(g*a);D<(g+1)*a;