1(self.webpackChunk_N_E=self.webpackChunk_N_E||[]).push([[30],{40270:function(){},39359:function(){},42717:function(t,e){var n;(n=function(t){"use strict";class e{constructor(t,e){this.state={angle:0,area:[],position:{x:0,y:0},hardAngle:0,hardDrawingAngle:0},this.createdDensity=e,this.nowDrawingDensity=this.createdDensity,this.render=t}setDensity(t){this.createdDensity=t,this.nowDrawingDensity=t}setDrawingDensity(t){this.nowDrawingDensity=t}setPosition(t){this.state.position=t}setAngle(t){this.state.angle=t}setArea(t){this.state.area=t}setHardDrawingAngle(t){this.state.hardDrawingAngle=t}setHardAngle(t){this.state.hardAngle=t,this.state.hardDrawingAngle=t}setOrientation(t){this.orientation=t}getDrawingDensity(){return this.nowDrawingDensity}getDensity(){return this.createdDensity}getHardAngle(){return this.state.hardAngle}}class n extends e{constructor(t,e,n){super(t,n),this.image=null,this.isLoad=!1,this.loadingAngle=0,this.image=new Image,this.image.src=e}draw(t){let e=this.render.getContext(),n=this.render.convertToGlobal(this.state.position),i=this.render.getRect().pageWidth,r=this.render.getRect().height;for(let o of(e.save(),e.translate(n.x,n.y),e.beginPath(),this.state.area))null!==o&&(o=this.render.convertToGlobal(o),e.lineTo(o.x-n.x,o.y-n.y));e.rotate(this.state.angle),e.clip(),this.isLoad?e.drawImage(this.image,0,0,i,r):this.drawLoader(e,{x:0,y:0},i,r),e.restore()}simpleDraw(t){let e=this.render.getRect(),n=this.render.getContext(),i=e.pageWidth,r=e.height,o=1===t?e.left+e.pageWidth:e.left,s=e.top;this.isLoad?n.drawImage(this.image,o,s,i,r):this.drawLoader(n,{x:o,y:s},i,r)}drawLoader(t,e,n,i){t.beginPath(),t.strokeStyle="rgb(200, 200, 200)",t.fillStyle="rgb(255, 255, 255)",t.lineWidth=1,t.rect(e.x+1,e.y+1,n-1,i-1),t.stroke(),t.fill();let r={x:e.x+n/2,y:e.y+i/2};t.beginPath(),t.lineWidth=10,t.arc(r.x,r.y,20,this.loadingAngle,3*Math.PI/2+this.loadingAngle),t.stroke(),t.closePath(),this.loadingAngle+=.07,this.loadingAngle>=2*Math.PI&&(this.loadingAngle=0)}load(){this.isLoad||(this.image.onload=()=>{this.isLoad=!0})}newTemporaryCopy(){return this}getTemporaryCopy(){return this}hideTemporaryCopy(){}}class i{constructor(t,e){this.pages=[],this.currentPageIndex=0,this.currentSpreadIndex=0,this.landscapeSpread=[],this.portraitSpread=[],this.render=e,this.app=t,this.currentPageIndex=0,this.isShowCover=this.app.getSettings().showCover}destroy(){this.pages=[]}createSpread(){this.landscapeSpread=[],this.portraitSpread=[];for(let t=0;t<this.pages.length;t++)this.portraitSpread.push([t]);let e=0;this.isShowCover&&(this.pages[0].setDensity("hard"),this.landscapeSpread.push([e]),e++);for(let n=e;n<this.pages.length;n+=2)n<this.pages.length-1?this.landscapeSpread.push([n,n+1]):(this.landscapeSpread.push([n]),this.pages[n].setDensity("hard"))}getSpread(){return"landscape"===this.render.getOrientation()?this.landscapeSpread:this.portraitSpread}getSpreadIndexByPage(t){let e=this.getSpread();for(let n=0;n<e.length;n++)if(t===e[n][0]||t===e[n][1])return n;return null}getPageCount(){return this.pages.length}getPages(){return this.pages}getPage(t){if(t>=0&&t<this.pages.length)return this.pages[t];throw Error("Invalid page number")}nextBy(t){let e=this.pages.indexOf(t);return e<this.pages.length-1?this.pages[e+1]:null}prevBy(t){let e=this.pages.indexOf(t);return e>0?this.pages[e-1]:null}getFlippingPage(t){let e=this.currentSpreadIndex;if("portrait"===this.render.getOrientation())return 0===t?this.pages[e].newTemporaryCopy():this.pages[e-1];{let n=0===t?this.getSpread()[e+1]:this.getSpread()[e-1];return 1===n.length||0===t?this.pages[n[0]]:this.pages[n[1]]}}getBottomPage(t){let e=this.currentSpreadIndex;if("portrait"===this.render.getOrientation())return 0===t?this.pages[e+1]:this.pages[e-1];{let n=0===t?this.getSpread()[e+1]:this.getSpread()[e-1];return 1===n.length?this.pages[n[0]]:0===t?this.pages[n[1]]:this.pages[n[0]]}}showNext(){this.currentSpreadIndex<this.getSpread().length&&(this.currentSpreadIndex++,this.showSpread())}showPrev(){this.currentSpreadIndex>0&&(this.currentSpreadIndex--,this.showSpread())}getCurrentPageIndex(){return this.currentPageIndex}show(t=null){if(null===t&&(t=this.currentPageIndex),t<0||t>=this.pages.length)return;let e=this.getSpreadIndexByPage(t);null!==e&&(this.currentSpreadIndex=e,this.showSpread())}getCurrentSpreadIndex(){return this.currentSpreadIndex}setCurrentSpreadIndex(t){if(!(t>=0&&t<this.getSpread().length))throw Error("Invalid page");this.currentSpreadIndex=t}showSpread(){let t=this.getSpread()[this.currentSpreadIndex];2===t.length?(this.render.setLeftPage(this.pages[t[0]]),this.render.setRightPage(this.pages[t[1]])):"landscape"===this.render.getOrientation()&&t[0]===this.pages.length-1?(this.render.setLeftPage(this.pages[t[0]]),this.render.setRightPage(null)):(this.render.setLeftPage(null),this.render.setRightPage(this.pages[t[0]])),this.currentPageIndex=t[0],this.app.updatePageIndex(this.currentPageIndex)}}class r extends i{constructor(t,e,n){super(t,e),this.imagesHref=n}load(){for(let t of this.imagesHref){let e=new n(this.render,t,"soft");e.load(),this.pages.push(e)}this.createSpread()}}class o{static GetDistanceBetweenTwoPoint(t,e){return null===t||null===e?1/0:Math.sqrt(Math.pow(e.x-t.x,2)+Math.pow(e.y-t.y,2))}static GetSegmentLength(t){return o.GetDistanceBetweenTwoPoint(t[0],t[1])}
1static GetAngleBetweenTwoLine(t,e){let n=t[0].y-t[1].y,i=e[0].y-e[1].y,r=t[1].x-t[0].x,o=e[1].x-e[0].x;return Math.acos((n*i+r*o)/(Math.sqrt(n*n+r*r)*Math.sqrt(i*i+o*o)))}static PointInRect(t,e){return null===e?null:e.x>=t.left&&e.x<=t.width+t.left&&e.y>=t.top&&e.y<=t.top+t.height?e:null}static GetRotatedPoint(t,e,n){return{x:t.x*Math.cos(n)+t.y*Math.sin(n)+e.x,y:t.y*Math.cos(n)-t.x*Math.sin(n)+e.y}}static LimitPointToCircle(t,e,n){if(o.GetDistanceBetweenTwoPoint(t,n)<=e)return n;let i=t.x,r=t.y,s=n.x,a=n.y,h=Math.sqrt(Math.pow(e,2)*Math.pow(i-s,2)/(Math.pow(i-s,2)+Math.pow(r-a,2)))+i;n.x<0&&(h*=-1);let c=(h-i)*(r-a)/(i-s)+r;return i-s+r===0&&(c=e),{x:h,y:c}}static GetIntersectBetweenTwoSegment(t,e,n){return o.PointInRect(t,o.GetIntersectBeetwenTwoLine(e,n))}static GetIntersectBeetwenTwoLine(t,e){let n=t[0].y-t[1].y,i=e[0].y-e[1].y,r=t[1].x-t[0].x,o=e[1].x-e[0].x,s=t[0].x*t[1].y-t[1].x*t[0].y,a=e[0].x*e[1].y-e[1].x*e[0].y,h=-(s*o-a*r)/(n*o-i*r),c=-(n*a-i*s)/(n*o-i*r);if(isFinite(h)&&isFinite(c))return{x:h,y:c};if(.1>Math.abs(n*a-i*s-(r*a-o*s)))throw Error("Segment included");return null}static GetCordsFromTwoPoint(t,e){let n=Math.abs(t.x-e.x),i=Math.abs(t.y-e.y),r=Math.max(n,i),o=[t];function s(t,e,n,i,r){return e>t?t+r*(n/i):e<t?t-r*(n/i):t}for(let a=1;a<=r;a+=1)o.push({x:s(t.x,e.x,n,r,a),y:s(t.y,e.y,i,r,a)});return o}}class s extends e{constructor(t,e,n){super(t,n),this.copiedElement=null,this.temporaryCopy=null,this.isLoad=!1,this.element=e,this.element.classList.add("stf__item"),this.element.classList.add("--"+n)}newTemporaryCopy(){return"hard"===this.nowDrawingDensity?this:(null===this.temporaryCopy&&(this.copiedElement=this.element.cloneNode(!0),this.element.parentElement.appendChild(this.copiedElement),this.temporaryCopy=new s(this.render,this.copiedElement,this.nowDrawingDensity)),this.getTemporaryCopy())}getTemporaryCopy(){return this.temporaryCopy}hideTemporaryCopy(){null!==this.temporaryCopy&&(this.copiedElement.remove(),this.copiedElement=null,this.temporaryCopy=null)}draw(t){let e=t||this.nowDrawingDensity,n=this.render.convertToGlobal(this.state.position),i=this.render.getRect().pageWidth,r=this.render.getRect().height;this.element.classList.remove("--simple");let o=` 2 display: block; 3 z-index: ${this.element.style.zIndex}; 4 left: 0; 5 top: 0; 6 width: ${i}px; 7 height: ${r}px; 8 `;"hard"===e?this.drawHard(o):this.drawSoft(n,o)}drawHard(t=""){let e=this.render.getRect().left+this.render.getRect().width/2,n=this.state.hardDrawingAngle,i=t+"\n backface-visibility: hidden;\n -webkit-backface-visibility: hidden;\n clip-path: none;\n -webkit-clip-path: none;\n "+(0===this.orientation?`transform-origin: ${this.render.getRect().pageWidth}px 0; 9 transform: translate3d(0, 0, 0) rotateY(${n}deg);`:`transform-origin: 0 0; 10 transform: translate3d(${e}px, 0, 0) rotateY(${n}deg);`);this.element.style.cssText=i}drawSoft(t,e=""){let n="polygon( ";for(let i of this.state.area)if(null!==i){let r=1===this.render.getDirection()?{x:-i.x+this.state.position.x,y:i.y-this.state.position.y}:{x:i.x-this.state.position.x,y:i.y-this.state.position.y};n+=(r=o.GetRotatedPoint(r,{x:0,y:0},this.state.angle)).x+"px "+r.y+"px, "}n=n.slice(0,-2),n+=")";let s=e+`transform-origin: 0 0; clip-path: ${n}; -webkit-clip-path: ${n};`+(this.render.isSafari()&&0===this.state.angle?`transform: translate(${t.x}px, ${t.y}px);`:`transform: translate3d(${t.x}px, ${t.y}px, 0) rotate(${this.state.angle}rad);`);this.element.style.cssText=s}simpleDraw(t){let e=this.render.getRect(),n=e.pageWidth,i=e.height,r=1===t?e.left+e.pageWidth:e.left,o=e.top;this.element.classList.add("--simple"),this.element.style.cssText=` 11 position: absolute; 12 display: block; 13 height: ${i}px; 14 left: ${r}px; 15 top: ${o}px; 16 width: ${n}px; 17 z-index: ${this.render.getSettings().startZIndex+1};`}getElement(){return this.element}load(){this.isLoad=!0}setOrientation(t){super.setOrientation(t),this.element.classList.remove("--left","--right"),this.element.classList.add(1===t?"--right":"--left")}setDrawingDensity(t){this.element.classList.remove("--soft","--hard"),this.element.classList.add("--"+t),super.setDrawingDensity(t)}}class a extends i{constructor(t,e,n,i){super(t,e),this.element=n,this.pagesElement=i}load(){for(let t of this.pagesElement){let e=new s(this.render,t,"hard"===t.dataset.density?"hard":"soft");e.load(),this.pages.push(e)}this.createSpread()}}class h{constructor(t,e,n,i){this.direction=t,this.corner=e,this.topIntersectPoint=null,this.sideIntersectPoint=null,this.bottomIntersectPoint=null,this.pageWidth=parseInt(n,10),this.pageHeight=parseInt(i,10)}calc(t){try{return this.position=this.calcAngleAndPosition(t),this.calculateIntersectPoint(this.position),!0}catch(e){return!1}}getFlippingClipArea(){let t=[],e=!1;return t.push(this.rect.topLeft),t.push(this.topIntersectPoint),null===this.sideIntersectPoint?e=!0:(t.push(this.sideIntersectPoint),null===this.bottomIntersectPoint&&(e=!1)),t.push(this.bottomIntersectPoint),(e||"bottom"===this.corner)&&t.push(this.rect.bottomLeft),t}getBottomClipArea(){let t=[];return t.push(this.topIntersectPoint),"top"===this.corner?t.push({x:this.pageWidth,y:0}):(null!==this.topIntersectPoint&&t.push({x:this.pageWidth,y:0}),t.push({x:this.pageWidth,y:this.pageHeight})),null!==this.sideIntersectPoint?o.GetDistanceBetweenTwoPoint(this.sideIntersectPoint,this.topIntersectPoint)>=10&&t.push(this.sideIntersectPoint):"top"===this.corner&&t.push({x:this.pageWidth,y:this.pageHeight}),t.push(this.bottomIntersectPoint),t.push(this.topIntersectPoint),t}getAngle(){return 0===this.direction?-this.angle:this.angle}getRect(){return this.rect}getPosition(){return this.position}getActiveCorner(){return 0===this.direction?this.rect.topLeft:this.rect.topRight}getDirection(){return this.direction}getFlippingProgress(){return Math.abs((this.position.x-this.pageWidth)/(2*this.pageWidth)*100)}getCorner(){return this.corner}getBottomPagePosition(){return 1===this.direction?{x:this.pageWidth,y:0}:{x:0,y:0}}getShadowStartPoint(){return"top"===this.corner?this.topIntersectPoint:null!==this.sideIntersectPoint?this.sideIntersectPoint:this.topIntersectPoint}
17getShadowAngle(){let t=o.GetAngleBetweenTwoLine(this.getSegmentToShadowLine(),[{x:0,y:0},{x:this.pageWidth,y:0}]);return 0===this.direction?t:Math.PI-t}calcAngleAndPosition(t){let e=t;if(this.updateAngleAndGeometry(e),1>Math.abs((e="top"===this.corner?this.checkPositionAtCenterLine(e,{x:0,y:0},{x:0,y:this.pageHeight}):this.checkPositionAtCenterLine(e,{x:0,y:this.pageHeight},{x:0,y:0})).x-this.pageWidth)&&1>Math.abs(e.y))throw Error("Point is too small");return e}updateAngleAndGeometry(t){this.angle=this.calculateAngle(t),this.rect=this.getPageRect(t)}calculateAngle(t){let e=this.pageWidth-t.x+1,n="bottom"===this.corner?this.pageHeight-t.y:t.y,i=2*Math.acos(e/Math.sqrt(n*n+e*e));n<0&&(i=-i);let r=Math.PI-i;if(!isFinite(i)||r>=0&&r<.003)throw Error("The G point is too small");return"bottom"===this.corner&&(i=-i),i}getPageRect(t){return"top"===this.corner?this.getRectFromBasePoint([{x:0,y:0},{x:this.pageWidth,y:0},{x:0,y:this.pageHeight},{x:this.pageWidth,y:this.pageHeight}],t):this.getRectFromBasePoint([{x:0,y:-this.pageHeight},{x:this.pageWidth,y:-this.pageHeight},{x:0,y:0},{x:this.pageWidth,y:0}],t)}getRectFromBasePoint(t,e){return{topLeft:this.getRotatedPoint(t[0],e),topRight:this.getRotatedPoint(t[1],e),bottomLeft:this.getRotatedPoint(t[2],e),bottomRight:this.getRotatedPoint(t[3],e)}}getRotatedPoint(t,e){return{x:t.x*Math.cos(this.angle)+t.y*Math.sin(this.angle)+e.x,y:t.y*Math.cos(this.angle)-t.x*Math.sin(this.angle)+e.y}}calculateIntersectPoint(t){let e={left:-1,top:-1,width:this.pageWidth+2,height:this.pageHeight+2};"top"===this.corner?(this.topIntersectPoint=o.GetIntersectBetweenTwoSegment(e,[t,this.rect.topRight],[{x:0,y:0},{x:this.pageWidth,y:0}]),this.sideIntersectPoint=o.GetIntersectBetweenTwoSegment(e,[t,this.rect.bottomLeft],[{x:this.pageWidth,y:0},{x:this.pageWidth,y:this.pageHeight}]),this.bottomIntersectPoint=o.GetIntersectBetweenTwoSegment(e,[this.rect.bottomLeft,this.rect.bottomRight],[{x:0,y:this.pageHeight},{x:this.pageWidth,y:this.pageHeight}])):(this.topIntersectPoint=o.GetIntersectBetweenTwoSegment(e,[this.rect.topLeft,this.rect.topRight],[{x:0,y:0},{x:this.pageWidth,y:0}]),this.sideIntersectPoint=o.GetIntersectBetweenTwoSegment(e,[t,this.rect.topLeft],[{x:this.pageWidth,y:0},{x:this.pageWidth,y:this.pageHeight}]),this.bottomIntersectPoint=o.GetIntersectBetweenTwoSegment(e,[this.rect.bottomLeft,this.rect.bottomRight],[{x:0,y:this.pageHeight},{x:this.pageWidth,y:this.pageHeight}]))}checkPositionAtCenterLine(t,e,n){let i=t,r=o.LimitPointToCircle(e,this.pageWidth,i);i!==r&&(i=r,this.updateAngleAndGeometry(i));let s=Math.sqrt(Math.pow(this.pageWidth,2)+Math.pow(this.pageHeight,2)),a=this.rect.bottomRight,h=this.rect.topLeft;if("bottom"===this.corner&&(a=this.rect.topRight,h=this.rect.bottomLeft),a.x<=0){let c=o.LimitPointToCircle(n,s,h);c!==i&&(i=c,this.updateAngleAndGeometry(i))}return i}getSegmentToShadowLine(){let t=this.getShadowStartPoint();return[t,t!==this.sideIntersectPoint&&null!==this.sideIntersectPoint?this.sideIntersectPoint:this.bottomIntersectPoint]}}class c{constructor(t,e){this.flippingPage=null,this.bottomPage=null,this.calc=null,this.state="read",this.render=t,this.app=e}fold(t){this.setState("user_fold"),null===this.calc&&this.start(t),this.do(this.render.convertToPage(t))}flip(t){if(this.app.getSettings().disableFlipByClick&&!this.isPointOnCorners(t)||(null!==this.calc&&this.render.finishAnimation(),!this.start(t)))return;let e=this.getBoundsRect();this.setState("flipping");let n=e.height/10,i="bottom"===this.calc.getCorner()?e.height-n:n,r="bottom"===this.calc.getCorner()?e.height:0;this.calc.calc({x:e.pageWidth-n,y:i}),this.animateFlippingTo({x:e.pageWidth-n,y:i},{x:-e.pageWidth,y:r},!0)}start(t){this.reset();let e=this.render.convertToBook(t),n=this.getBoundsRect(),i=this.getDirectionByPoint(e),r=e.y>=n.height/2?"bottom":"top";if(!this.checkDirection(i))return!1;try{if(this.flippingPage=this.app.getPageCollection().getFlippingPage(i),this.bottomPage=this.app.getPageCollection().getBottomPage(i),"landscape"===this.render.getOrientation()){if(1===i){let o=this.app.getPageCollection().nextBy(this.flippingPage);null!==o&&this.flippingPage.getDensity()!==o.getDensity()&&(this.flippingPage.setDrawingDensity("hard"),o.setDrawingDensity("hard"))}else{let s=this.app.getPageCollection().prevBy(this.flippingPage);null!==s&&this.flippingPage.getDensity()!==s.getDensity()&&(this.flippingPage.setDrawingDensity("hard"),s.setDrawingDensity("hard"))}}return this.render.setDirection(i),this.calc=new h(i,r,n.pageWidth.toString(10),n.height.toString(10)),!0}catch(a){return!1}}do(t){if(null!==this.calc&&this.calc.calc(t)){let e=this.calc.getFlippingProgress();this.bottomPage.setArea(this.calc.getBottomClipArea()),this.bottomPage.setPosition(this.calc.getBottomPagePosition()),this.bottomPage.setAngle(0),this.bottomPage.setHardA
17ngle(0),this.flippingPage.setArea(this.calc.getFlippingClipArea()),this.flippingPage.setPosition(this.calc.getActiveCorner()),this.flippingPage.setAngle(this.calc.getAngle()),0===this.calc.getDirection()?this.flippingPage.setHardAngle(90*(200-2*e)/100):this.flippingPage.setHardAngle(-90*(200-2*e)/100),this.render.setPageRect(this.calc.getRect()),this.render.setBottomPage(this.bottomPage),this.render.setFlippingPage(this.flippingPage),this.render.setShadowData(this.calc.getShadowStartPoint(),this.calc.getShadowAngle(),e,this.calc.getDirection())}}flipToPage(t,e){let n=this.app.getPageCollection().getCurrentSpreadIndex(),i=this.app.getPageCollection().getSpreadIndexByPage(t);try{i>n&&(this.app.getPageCollection().setCurrentSpreadIndex(i-1),this.flipNext(e)),i<n&&(this.app.getPageCollection().setCurrentSpreadIndex(i+1),this.flipPrev(e))}catch(r){}}flipNext(t){this.flip({x:this.render.getRect().left+2*this.render.getRect().pageWidth-10,y:"top"===t?1:this.render.getRect().height-2})}flipPrev(t){this.flip({x:10,y:"top"===t?1:this.render.getRect().height-2})}stopMove(){if(null===this.calc)return;let t=this.calc.getPosition(),e=this.getBoundsRect(),n="bottom"===this.calc.getCorner()?e.height:0;t.x<=0?this.animateFlippingTo(t,{x:-e.pageWidth,y:n},!0):this.animateFlippingTo(t,{x:e.pageWidth,y:n},!1)}showCorner(t){if(!this.checkState("read","fold_corner"))return;let e=this.getBoundsRect(),n=e.pageWidth;if(this.isPointOnCorners(t)){if(null===this.calc){if(!this.start(t))return;this.setState("fold_corner"),this.calc.calc({x:n-1,y:1});let i="bottom"===this.calc.getCorner()?e.height-1:1,r="bottom"===this.calc.getCorner()?e.height-50:50;this.animateFlippingTo({x:n-1,y:i},{x:n-50,y:r},!1,!1)}else this.do(this.render.convertToPage(t))}else this.setState("read"),this.render.finishAnimation(),this.stopMove()}animateFlippingTo(t,e,n,i=!0){let r=o.GetCordsFromTwoPoint(t,e),s=[];for(let a of r)s.push(()=>this.do(a));let h=this.getAnimationDuration(r.length);this.render.startAnimation(s,h,()=>{this.calc&&(n&&(1===this.calc.getDirection()?this.app.turnToPrevPage():this.app.turnToNextPage()),i&&(this.render.setBottomPage(null),this.render.setFlippingPage(null),this.render.clearShadow(),this.setState("read"),this.reset()))})}getCalculation(){return this.calc}getState(){return this.state}setState(t){this.state!==t&&(this.app.updateState(t),this.state=t)}getDirectionByPoint(t){let e=this.getBoundsRect();if("portrait"===this.render.getOrientation()){if(t.x-e.pageWidth<=e.width/5)return 1}else if(t.x<e.width/2)return 1;return 0}getAnimationDuration(t){let e=this.app.getSettings().flippingTime;return t>=1e3?e:t/1e3*e}checkDirection(t){return 0===t?this.app.getCurrentPageIndex()<this.app.getPageCount()-1:this.app.getCurrentPageIndex()>=1}reset(){this.calc=null,this.flippingPage=null,this.bottomPage=null}getBoundsRect(){return this.render.getRect()}checkState(...t){for(let e of t)if(this.state===e)return!0;return!1}isPointOnCorners(t){let e=this.getBoundsRect(),n=e.pageWidth,i=Math.sqrt(Math.pow(n,2)+Math.pow(e.height,2))/5,r=this.render.convertToBook(t);return r.x>0&&r.y>0&&r.x<e.width&&r.y<e.height&&(r.x<i||r.x>e.width-i)&&(r.y<i||r.y>e.height-i)}}class l{constructor(t,e){this.leftPage=null,this.rightPage=null,this.flippingPage=null,this.bottomPage=null,this.direction=null,this.orientation=null,this.shadow=null,this.animation=null,this.pageRect=null,this.boundsRect=null,this.timer=0,this.safari=!1,this.setting=e,this.app=t;let n=RegExp("Version\\/[\\d\\.]+.*Safari/");this.safari=null!==n.exec(window.navigator.userAgent)}render(t){if(null!==this.animation){let e=Math.round((t-this.animation.startedAt)/this.animation.durationFrame);e<this.animation.frames.length?this.animation.frames[e]():(this.animation.onAnimateEnd(),this.animation=null)}this.timer=t,this.drawFrame()}start(){this.update();let t=e=>{this.render(e),requestAnimationFrame(t)};requestAnimationFrame(t)}startAnimation(t,e,n){this.finishAnimation(),this.animation={frames:t,duration:e,durationFrame:e/t.length,onAnimateEnd:n,startedAt:this.timer}}finishAnimation(){null!==this.animation&&(this.animation.frames[this.animation.frames.length-1](),null!==this.animation.onAnimateEnd&&this.animation.onAnimateEnd()),this.animation=null}update(){this.boundsRect=null;let t=this.calculateBoundsRect();this.orientation!==t&&(this.orientation=t,this.app.updateOrientation(t))}calculateBoundsRect(){let t="landscape",e=this.getBlockWidth(),n=e/2,i=this.getBlockHeight()/2,r=this.setting.width/this.setting.height,o=this.setting.width,s=this.setting.height,a=n-o;return"stretch"===this.setting.size?(e<2*this.setting.minWidth&&this.app.getSettings().usePortrait&&(t="portrait"),(o="portrait"===t?this.getBlockWidth():this.getBlockWidth()/2)>this.setting.maxWidth&&(o=this.setting.maxWidth),(s=o/r)>this.getBlockHeight()&&(o=(s=this.getBlockHeight())*r),a="portrait"===t?n-o/2-o:n-o):e<2*o&&this.app.getSettings().usePortrait&&(t="portrait",a=n-o/2-o),this.boundsRect={left:a,top:i-s/2,width:2*o,height:s,pageWidth:o},t}setShadowData(t,e,n,i){if(!this.app.getSettings().drawShadow)return;let r=100*this.getSettings().maxShadowOpacity;this.shadow={pos:t,angle:e,width:3*this.getRect().pageWidth/4*n/100,opacity:(100-n)*r/100/100,direction:i,progress:2*n}}clearShadow(){this.shadow=null}getBlockWidth(){return this.app.getUI().getDistElement().offsetWidth}getBlockHeight(){return this.app.getUI().getDistElement().offsetHeight}getDirection(){return this.direction}getRect(){return null===this.boundsRect&&this.calculateBoundsRect(),this.boundsRect}getSettings(){return this.app.getSettings()}getOrientation(){return this.orientation}setPageRect(t){this.pageRect=t}setDirection(t){this.direction=t}setRightPage(t){null!==t&&t.setOrientation(1),this.rightPage=t}setLeftPage(t){null!==t&&t.setOrientation(0),this.leftPage=t}setBottomPage(t){null!==t&&t.setOrientation(1===this.direction?0:1),this.bottomPage=t}
17setFlippingPage(t){null!==t&&t.setOrientation(0===this.direction&&"portrait"!==this.orientation?0:1),this.flippingPage=t}convertToBook(t){let e=this.getRect();return{x:t.x-e.left,y:t.y-e.top}}isSafari(){return this.safari}convertToPage(t,e){e||(e=this.direction);let n=this.getRect();return{x:0===e?t.x-n.left-n.width/2:n.width/2-t.x+n.left,y:t.y-n.top}}convertToGlobal(t,e){if(e||(e=this.direction),null==t)return null;let n=this.getRect();return{x:0===e?t.x+n.left+n.width/2:n.width/2-t.x+n.left,y:t.y+n.top}}convertRectToGlobal(t,e){return e||(e=this.direction),{topLeft:this.convertToGlobal(t.topLeft,e),topRight:this.convertToGlobal(t.topRight,e),bottomLeft:this.convertToGlobal(t.bottomLeft,e),bottomRight:this.convertToGlobal(t.bottomRight,e)}}}class u extends l{constructor(t,e,n){super(t,e),this.canvas=n,this.ctx=n.getContext("2d")}getContext(){return this.ctx}reload(){}drawFrame(){this.clear(),"portrait"!==this.orientation&&null!=this.leftPage&&this.leftPage.simpleDraw(0),null!=this.rightPage&&this.rightPage.simpleDraw(1),null!=this.bottomPage&&this.bottomPage.draw(),this.drawBookShadow(),null!=this.flippingPage&&this.flippingPage.draw(),null!=this.shadow&&(this.drawOuterShadow(),this.drawInnerShadow());let t=this.getRect();"portrait"===this.orientation&&(this.ctx.beginPath(),this.ctx.rect(t.left+t.pageWidth,t.top,t.width,t.height),this.ctx.clip())}drawBookShadow(){let t=this.getRect();this.ctx.save(),this.ctx.beginPath();let e=t.width/20;this.ctx.rect(t.left,t.top,t.width,t.height);let n={x:t.left+t.width/2-e/2,y:0};this.ctx.translate(n.x,n.y);let i=this.ctx.createLinearGradient(0,0,e,0);i.addColorStop(0,"rgba(0, 0, 0, 0)"),i.addColorStop(.4,"rgba(0, 0, 0, 0.2)"),i.addColorStop(.49,"rgba(0, 0, 0, 0.1)"),i.addColorStop(.5,"rgba(0, 0, 0, 0.5)"),i.addColorStop(.51,"rgba(0, 0, 0, 0.4)"),i.addColorStop(1,"rgba(0, 0, 0, 0)"),this.ctx.clip(),this.ctx.fillStyle=i,this.ctx.fillRect(0,0,e,2*t.height),this.ctx.restore()}drawOuterShadow(){let t=this.getRect();this.ctx.save(),this.ctx.beginPath(),this.ctx.rect(t.left,t.top,t.width,t.height);let e=this.convertToGlobal({x:this.shadow.pos.x,y:this.shadow.pos.y});this.ctx.translate(e.x,e.y),this.ctx.rotate(Math.PI+this.shadow.angle+Math.PI/2);let n=this.ctx.createLinearGradient(0,0,this.shadow.width,0);0===this.shadow.direction?(this.ctx.translate(0,-100),n.addColorStop(0,"rgba(0, 0, 0, "+this.shadow.opacity+")"),n.addColorStop(1,"rgba(0, 0, 0, 0)")):(this.ctx.translate(-this.shadow.width,-100),n.addColorStop(0,"rgba(0, 0, 0, 0)"),n.addColorStop(1,"rgba(0, 0, 0, "+this.shadow.opacity+")")),this.ctx.clip(),this.ctx.fillStyle=n,this.ctx.fillRect(0,0,this.shadow.width,2*t.height),this.ctx.restore()}drawInnerShadow(){let t=this.getRect();this.ctx.save(),this.ctx.beginPath();let e=this.convertToGlobal({x:this.shadow.pos.x,y:this.shadow.pos.y}),n=this.convertRectToGlobal(this.pageRect);
17this.ctx.moveTo(n.topLeft.x,n.topLeft.y),this.ctx.lineTo(n.topRight.x,n.topRight.y),this.ctx.lineTo(n.bottomRight.x,n.bottomRight.y),this.ctx.lineTo(n.bottomLeft.x,n.bottomLeft.y),this.ctx.translate(e.x,e.y),this.ctx.rotate(Math.PI+this.shadow.angle+Math.PI/2);let i=3*this.shadow.width/4,r=this.ctx.createLinearGradient(0,0,i,0);0===this.shadow.direction?(this.ctx.translate(-i,-100),r.addColorStop(1,"rgba(0, 0, 0, "+this.shadow.opacity+")"),r.addColorStop(.9,"rgba(0, 0, 0, 0.05)"),r.addColorStop(.7,"rgba(0, 0, 0, "+this.shadow.opacity+")"),r.addColorStop(0,"rgba(0, 0, 0, 0)")):(this.ctx.translate(0,-100),r.addColorStop(0,"rgba(0, 0, 0, "+this.shadow.opacity+")"),r.addColorStop(.1,"rgba(0, 0, 0, 0.05)"),r.addColorStop(.3,"rgba(0, 0, 0, "+this.shadow.opacity+")"),r.addColorStop(1,"rgba(0, 0, 0, 0)")),this.ctx.clip(),this.ctx.fillStyle=r,this.ctx.fillRect(0,0,i,2*t.height),this.ctx.restore()}clear(){this.ctx.fillStyle="white",this.ctx.fillRect(0,0,this.canvas.width,this.canvas.height)}}class p{constructor(t,e,n){this.touchPoint=null,this.swipeTimeout=250,this.onResize=()=>{this.update()},this.onMouseDown=t=>{if(this.checkTarget(t.target)){let e=this.getMousePos(t.clientX,t.clientY);this.app.startUserTouch(e),t.preventDefault()}},this.onTouchStart=t=>{if(this.checkTarget(t.target)&&t.changedTouches.length>0){let e=t.changedTouches[0],n=this.getMousePos(e.clientX,e.clientY);this.touchPoint={point:n,time:Date.now()},setTimeout(()=>{null!==this.touchPoint&&this.app.startUserTouch(n)},this.swipeTimeout),this.app.getSettings().mobileScrollSupport||t.preventDefault()}},this.onMouseUp=t=>{let e=this.getMousePos(t.clientX,t.clientY);this.app.userStop(e)},this.onMouseMove=t=>{let e=this.getMousePos(t.clientX,t.clientY);this.app.userMove(e,!1)},this.onTouchMove=t=>{if(t.changedTouches.length>0){let e=t.changedTouches[0],n=this.getMousePos(e.clientX,e.clientY);this.app.getSettings().mobileScrollSupport?(null!==this.touchPoint&&(Math.abs(this.touchPoint.point.x-n.x)>10||"read"!==this.app.getState())&&t.cancelable&&this.app.userMove(n,!0),"read"!==this.app.getState()&&t.preventDefault()):this.app.userMove(n,!0)}},this.onTouchEnd=t=>{if(t.changedTouches.length>0){let e=t.changedTouches[0],n=this.getMousePos(e.clientX,e.clientY),i=!1;if(null!==this.touchPoint){let r=n.x-this.touchPoint.point.x,o=Math.abs(n.y-this.touchPoint.point.y);Math.abs(r)>this.swipeDistance&&o<2*this.swipeDistance&&Date.now()-this.touchPoint.time<this.swipeTimeout&&(r>0?this.app.flipPrev(this.touchPoint.point.y<this.app.getRender().getRect().height/2?"top":"bottom"):this.app.flipNext(this.touchPoint.point.y<this.app.getRender().getRect().height/2?"top":"bottom"),i=!0),this.touchPoint=null}this.app.userStop(n,i)}},this.parentElement=t,t.classList.add("stf__parent"),t.insertAdjacentHTML("afterbegin",'<div class="stf__wrapper"></div>'),this.wrapper=t.querySelector(".stf__wrapper"),this.app=e;let i=this.app.getSettings().usePortrait?1:2;t.style.minWidth=n.minWidth*i+"px",t.style.minHeight=n.minHeight+"px","fixed"===n.size&&(t.style.minWidth=n.width*i+"px",t.style.minHeight=n.height+"px"),n.autoSize&&(t.style.width="100%",t.style.maxWidth=2*n.maxWidth+"px"),t.style.display="block",window.addEventListener("resize",this.onResize,!1),this.swipeDistance=n.swipeDistance}destroy(){this.app.getSettings().useMouseEvents&&this.removeHandlers(),this.distElement.remove(),this.wrapper.remove()}getDistElement(){return this.distElement}getWrapper(){return this.wrapper}setOrientationStyle(t){this.wrapper.classList.remove("--portrait","--landscape"),"portrait"===t?(this.app.getSettings().autoSize&&(this.wrapper.style.paddingBottom=this.app.getSettings().height/this.app.getSettings().width*100+"%"),this.wrapper.classList.add("--portrait")):(this.app.getSettings().autoSize&&(this.wrapper.style.paddingBottom=this.app.getSettings().height/(2*this.app.getSettings().width)*100+"%"),this.wrapper.classList.add("--landscape")),this.update()}removeHandlers(){window.removeEventListener("resize",this.onResize),this.distElement.removeEventListener("mousedown",this.onMouseDown),this.distElement.removeEventListener("touchstart",this.onTouchStart),window.removeEventListener("mousemove",this.onMouseMove),window.removeEventListener("touchmove",this.onTouchMove),window.removeEventListener("mouseup",this.onMouseUp),window.removeEventListener("touchend",this.onTouchEnd)}setHandlers(){window.addEventListener("resize",this.onResize,!1),this.app.getSettings().useMouseEvents&&(this.distElement.addEventListener("mousedown",this.onMouseDown),this.distElement.addEventListener("touchstart",this.onTouchStart),window.addEventListener("mousemove",this.onMouseMove),window.addEventListener("touchmove",this.onTouchMove,{passive:!this.app.getSettings().mobileScrollSupport}),window.addEventListener("mouseup",this.onMouseUp),window.addEventListener("touchend",this.onTouchEnd))}getMousePos(t,e){let n=this.distElement.getBoundingClientRect();return{x:t-n.left,y:e-n.top}}checkTarget(t){return!this.app.getSettings().clickEventForward||!["a","button"].includes(t.tagName.toLowerCase())}}class d extends p{constructor(t,e,n,i){for(let r of(super(t,e,n),this.wrapper.insertAdjacentHTML("afterbegin",'<div class="stf__block"></div>'),this.distElement=t.querySelector(".stf__block"),this.items=i,i))this.distElement.appendChild(r);this.setHandlers()}clear(){for(let t of this.items)this.parentElement.appendChild(t)}updateItems(t){for(let e of(this.removeHandlers(),this.distElement.innerHTML="",t))this.distElement.appendChild(e);this.items=t,this.setHandlers()}update(){this.app.getRender().update()}}class g extends p{constructor(t,e,n){super(t,e,n),this.wrapper.innerHTML='<canvas class="stf__canvas"></canvas>',this.canvas=t.querySelectorAll("canvas")[0],this.distElement=this.canvas,this.resizeCanvas(),this.setHandlers()}resizeCanvas(){let t=getComputedStyle(this.canvas),e=parseInt(t.getPropertyValue("width"),10),n=parseInt(t.getPropertyValue("height"),10);this.canvas.width=e,this.canvas.height=n}getCanvas(){return this.canvas}update(){this.resizeCanvas(),this.app.getRender().update()}}class f extends l{constructor(t,e,n){super(t,e),this.outerShadow=null,this.innerShadow=null,this.hardShadow=null,this.hardInnerShadow=null,this.element=n,this.createShadows()}createShadows(){this.element.insertAdjacentHTML("beforeend",'<div class="stf__outerShadow"></div>\n <div class="stf__innerShadow"></div>\n <div class="stf__hardShadow"></div>\n <div class="stf__hardInnerShadow"></div>'),this.outerShadow=this.element.querySelector(".stf__outerShadow"),this.innerShadow=this.element.querySelector(".stf__innerShadow"),this.hardShadow=this.element.querySelector(".stf__hardShadow"),this.hardInnerShadow=this.element.querySelector(".stf__hardInnerShadow")}clearShadow(){super.clearShadow(),this.outerShadow.style.cssText="display: none",this.innerShadow.style.cssText="display: none",this.hardShadow.style.cssText="display: none",this.hardInnerShadow.style.cssText="display: none"}reload(){this.element.querySelector(".stf__outerShadow")||this.createShadows()}drawHardInnerShadow(){let t=this.getRect(),e=this.shadow.progress>100?200-this.shadow.progress:this.shadow.progress,n=(100-e)*(2.5*t.pageWidth)/100+20;n>t.pageWidth&&(n=t.pageWidth);let i=` 18 display: block; 19 z-index: ${(this.getSettings().startZIndex+5).toString(10)}; 20 width: ${n}px; 21 height: ${t.height}px; 22 background: linear-gradient(to right, 23 rgba(0, 0, 0, ${this.shadow.opacity*e/100}) 5%, 24 rgba(0, 0, 0, 0) 100%); 25 left: ${t.left+t.width/2}px; 26 transform-origin: 0 0; 27 `;i+=0===this.getDirection()&&this.shadow.progress>100||1===this.getDirection()&&this.shadow.progress<=100?"transform: translate3d(0, 0, 0);":"transform: translate3d(0, 0, 0) rotateY(180deg);",this.hardInnerShadow.style.cssText=i}
27drawHardOuterShadow(){let t=this.getRect(),e=(100-(this.shadow.progress>100?200-this.shadow.progress:this.shadow.progress))*(2.5*t.pageWidth)/100+20;e>t.pageWidth&&(e=t.pageWidth);let n=` 28 display: block; 29 z-index: ${(this.getSettings().startZIndex+4).toString(10)}; 30 width: ${e}px; 31 height: ${t.height}px; 32 background: linear-gradient(to left, rgba(0, 0, 0, ${this.shadow.opacity}) 5%, rgba(0, 0, 0, 0) 100%); 33 left: ${t.left+t.width/2}px; 34 transform-origin: 0 0; 35 `;n+=0===this.getDirection()&&this.shadow.progress>100||1===this.getDirection()&&this.shadow.progress<=100?"transform: translate3d(0, 0, 0) rotateY(180deg);":"transform: translate3d(0, 0, 0);",this.hardShadow.style.cssText=n}drawInnerShadow(){let t=this.getRect(),e=3*this.shadow.width/4,n=0===this.getDirection()?e:0,i=0===this.getDirection()?"to left":"to right",r=this.convertToGlobal(this.shadow.pos),s=this.shadow.angle+3*Math.PI/2,a=[this.pageRect.topLeft,this.pageRect.topRight,this.pageRect.bottomRight,this.pageRect.bottomLeft],h="polygon( ";for(let c of a){let l=1===this.getDirection()?{x:-c.x+this.shadow.pos.x,y:c.y-this.shadow.pos.y}:{x:c.x-this.shadow.pos.x,y:c.y-this.shadow.pos.y};l=o.GetRotatedPoint(l,{x:n,y:100},s),h+=l.x+"px "+l.y+"px, "}h=h.slice(0,-2),h+=")";let u=` 36 display: block; 37 z-index: ${(this.getSettings().startZIndex+10).toString(10)}; 38 width: ${e}px; 39 height: ${2*t.height}px; 40 background: linear-gradient(${i}, 41 rgba(0, 0, 0, ${this.shadow.opacity}) 5%, 42 rgba(0, 0, 0, 0.05) 15%, 43 rgba(0, 0, 0, ${this.shadow.opacity}) 35%, 44 rgba(0, 0, 0, 0) 100%); 45 transform-origin: ${n}px 100px; 46 transform: translate3d(${r.x-n}px, ${r.y-100}px, 0) rotate(${s}rad); 47 clip-path: ${h}; 48 -webkit-clip-path: ${h}; 49 `;this.innerShadow.style.cssText=u}drawOuterShadow(){let t=this.getRect(),e=this.convertToGlobal({x:this.shadow.pos.x,y:this.shadow.pos.y}),n=this.shadow.angle+3*Math.PI/2,i=1===this.getDirection()?this.shadow.width:0,r=0===this.getDirection()?"to right":"to left",s=[{x:0,y:0},{x:t.pageWidth,y:0},{x:t.pageWidth,y:t.height},{x:0,y:t.height}],a="polygon( ";for(let h of s)if(null!==h){let c=1===this.getDirection()?{x:-h.x+this.shadow.pos.x,y:h.y-this.shadow.pos.y}:{x:h.x-this.shadow.pos.x,y:h.y-this.shadow.pos.y};c=o.GetRotatedPoint(c,{x:i,y:100},n),a+=c.x+"px "+c.y+"px, "}a=a.slice(0,-2),a+=")";let l=` 50 display: block; 51 z-index: ${(this.getSettings().startZIndex+10).toString(10)}; 52 width: ${this.shadow.width}px; 53 height: ${2*t.height}px; 54 background: linear-gradient(${r}, rgba(0, 0, 0, ${this.shadow.opacity}), rgba(0, 0, 0, 0)); 55 transform-origin: ${i}px 100px; 56 transform: translate3d(${e.x-i}px, ${e.y-100}px, 0) rotate(${n}rad); 57 clip-path: ${a}; 58 -webkit-clip-path: ${a}; 59 `;this.outerShadow.style.cssText=l}drawLeftPage(){"portrait"!==this.orientation&&null!==this.leftPage&&(1===this.direction&&null!==this.flippingPage&&"hard"===this.flippingPage.getDrawingDensity()?(this.leftPage.getElement().style.zIndex=(this.getSettings().startZIndex+5).toString(10),this.leftPage.setHardDrawingAngle(180+this.flippingPage.getHardAngle()),this.leftPage.draw(this.flippingPage.getDrawingDensity())):this.leftPage.simpleDraw(0))}drawRightPage(){null!==this.rightPage&&(0===this.direction&&null!==this.flippingPage&&"hard"===this.flippingPage.getDrawingDensity()?(this.rightPage.getElement().style.zIndex=(this.getSettings().startZIndex+5).toString(10),this.rightPage.setHardDrawingAngle(180+this.flippingPage.getHardAngle()),this.rightPage.draw(this.flippingPage.getDrawingDensity())):this.rightPage.simpleDraw(1))}drawBottomPage(){if(null===this.bottomPage)return;let t=null!=this.flippingPage?this.flippingPage.getDrawingDensity():null;"portrait"===this.orientation&&1===this.direction||(this.bottomPage.getElement().style.zIndex=(this.getSettings().startZIndex+3).toString(10),this.bottomPage.draw(t))}drawFrame(){this.clear(),this.drawLeftPage(),this.drawRightPage(),this.drawBottomPage(),null!=this.flippingPage&&(this.flippingPage.getElement().style.zIndex=(this.getSettings().startZIndex+5).toString(10),this.flippingPage.draw()),null!=this.shadow&&null!==this.flippingPage&&("soft"===this.flippingPage.getDrawingDensity()?(this.drawOuterShadow(),this.drawInnerShadow()):(this.drawHardOuterShadow(),this.drawHardInnerShadow()))}clear(){for(let t of this.app.getPageCollection().getPages())t!==this.leftPage&&t!==this.rightPage&&t!==this.flippingPage&&t!==this.bottomPage&&(t.getElement().style.cssText="display: none"),t.getTemporaryCopy()!==this.flippingPage&&t.hideTemporaryCopy()}
59update(){super.update(),null!==this.rightPage&&this.rightPage.setOrientation(1),null!==this.leftPage&&this.leftPage.setOrientation(0)}}class m{constructor(){this._default={startPage:0,size:"fixed",width:0,height:0,minWidth:0,maxWidth:0,minHeight:0,maxHeight:0,drawShadow:!0,flippingTime:1e3,usePortrait:!0,startZIndex:0,autoSize:!0,maxShadowOpacity:1,showCover:!1,mobileScrollSupport:!0,swipeDistance:30,clickEventForward:!0,useMouseEvents:!0,showPageCorners:!0,disableFlipByClick:!1}}getSettings(t){let e=this._default;if(Object.assign(e,t),"stretch"!==e.size&&"fixed"!==e.size)throw Error('Invalid size type. 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