@tindtechnologies/universalviewer/dist/esm/Extension-NB2MEIZO.js

The Universal Viewer is a community-developed open source project on a mission to help you share your 📚📜📰📽️📻🗿 with the 🌎

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this.premultiply(Ac.makeTranslation(e,t)),this}makeTranslation(e,t){return e.isVector2?this.set(1,0,e.x,0,1,e.y,0,0,1):this.set(1,0,e,0,1,t,0,0,1),this}makeRotation(e){let t=Math.cos(e),n=Math.sin(e);return this.set(t,-n,0,n,t,0,0,0,1),this}makeScale(e,t){return this.set(e,0,0,0,t,0,0,0,1),this}equals(e){let t=this.elements,n=e.elements;for(let i=0;i<9;i++)if(t[i]!==n[i])return!1;return!0}fromArray(e,t=0){for(let n=0;n<9;n++)this.elements[n]=e[n+t];return this}toArray(e=[],t=0){let n=this.elements;return e[t]=n[0],e[t+1]=n[1],e[t+2]=n[2],e[t+3]=n[3],e[t+4]=n[4],e[t+5]=n[5],e[t+6]=n[6],e[t+7]=n[7],e[t+8]=n[8],e}clone(){return new this.constructor().fromArray(this.elements)}},Ac=new Qe;function uv(r){for(let e=r.length-1;e>=0;--e)if(r[e]>=65535)return!0;return!1}function bo(r){return document.createElementNS("http://www.w3.org/1999/xhtml",r)}function iy(){let r=bo("canvas");return r.style.display="block",r}var $p={};function Bs(r){r in $p||($p[r]=!0,console.warn(r))}function 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n=ar.getContext("2d");e instanceof ImageData?n.putImageData(e,0,0):n.drawImage(e,0,0,e.width,e.height),t=ar}return t.toDataURL("image/png")}static sRGBToLinear(e){if(typeof HTMLImageElement<"u"&&e instanceof HTMLImageElement||typeof HTMLCanvasElement<"u"&&e instanceof HTMLCanvasElement||typeof ImageBitmap<"u"&&e instanceof ImageBitmap){let t=bo("canvas");t.width=e.width,t.height=e.height;let n=t.getContext("2d");n.drawImage(e,0,0,e.width,e.height);let i=n.getImageData(0,0,e.width,e.height),s=i.data;for(let a=0;a<s.length;a++)s[a]=Li(s[a]/255)*255;return n.putImageData(i,0,0),t}else if(e.data){let t=e.data.slice(0);for(let n=0;n<t.length;n++)t instanceof Uint8Array||t instanceof Uint8ClampedArray?t[n]=Math.floor(Li(t[n]/255)*255):t[n]=Li(t[n]);return{data:t,width:e.width,height:e.height}}else return console.warn("THREE.ImageUtils.sRGBToLinear(): Unsupported image type. No color space conversion applied."),e}},Ay=0,Aa=class{constructor(e=null){this.isSource=!0,Object.defineProperty(this,"id",{value:Ay++}),this.uuid=Xn(),this.data=e,this.dataReady=!0,this.version=0}set needsUpdate(e){e===!0&&this.version++}toJSON(e){let t=e===void 0||typeof e=="string";if(!t&&e.images[this.uuid]!==void 0)return e.images[this.uuid];let n={uuid:this.uuid,url:""},i=this.data;if(i!==null){let s;if(Array.isArray(i)){s=[];for(let a=0,o=i.length;a<o;a++)i[a].isDataTexture?s.push(lc(i[a].image)):s.push(lc(i[a]))}else s=lc(i);n.url=s}return t||(e.images[this.uuid]=n),n}};function lc(r){return typeof HTMLImageElement<"u"&&r instanceof HTMLImageElement||typeof HTMLCanvasElement<"u"&&r instanceof HTMLCanvasElement||typeof ImageBitmap<"u"&&r instanceof ImageBitmap?Du.getDataURL(r):r.data?{data:Array.from(r.data),width:r.width,height:r.height,type:r.data.constructor.name}:(console.warn("THREE.Texture: Unable to serialize Texture."),{})}var ly=0,yt=class OA extends _n{constructor(e=OA.DEFAULT_IMAGE,t=OA.DEFAULT_MAPPING,n=Tt,i=Tt,s=Xe,a=un,o=xt,A=Dt,l=OA.DEFAULT_ANISOTROPY,c=Un){super(),this.isTexture=!0,Object.defineProperty(this,"id",{value:ly++}),this.uuid=Xn(),this.name="",this.source=new Aa(e),this.mipmaps=[],this.mapping=t,this.channel=0,this.wrapS=n,this.wrapT=i,this.magFilter=s,this.minFilter=a,this.anisotropy=l,this.format=o,this.internalFormat=null,this.type=A,this.offset=new Ne(0,0),this.repeat=new Ne(1,1),this.center=new Ne(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new Qe,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,this.colorSpace=c,this.userData={},this.version=0,this.onUpdate=null,this.renderTarget=null,this.isRenderTargetTexture=!1,this.pmremVersion=0}get image(){return this.source.data}set image(e=null){this.source.data=e}updateMatrix(){this.matrix.setUvTransform(this.offset.x,this.offset.y,this.repeat.x,this.repeat.y,this.rotation,this.center.x,this.center.y)}clone(){return new this.constructor().copy(this)}copy(e){return this.name=e.name,this.source=e.source,this.mipmaps=e.mipmaps.slice(0),this.mapping=e.mapping,this.channel=e.channel,this.wrapS=e.wrapS,this.wrapT=e.wrapT,this.magFilter=e.magFilter,this.minFilter=e.minFilter,this.anisotropy=e.anisotropy,this.format=e.format,this.internalFormat=e.internalFormat,this.type=e.type,this.offset.copy(e.offset),this.repeat.copy(e.repeat),this.center.copy(e.center),this.rotation=e.rotation,this.matrixAutoUpdate=e.matrixAutoUpdate,this.matrix.copy(e.matrix),this.generateMipmaps=e.generateMipmaps,this.premultiplyAlpha=e.premultiplyAlpha,this.flipY=e.flipY,this.unpackAlignment=e.unpackAlignment,this.colorSpace=e.colorSpace,this.renderTarget=e.renderTarget,this.isRenderTargetTexture=e.isRenderTargetTexture,this.userData=JSON.parse(JSON.stringify(e.userData)),this.needsUpdate=!0,this}toJSON(e){let t=e===void 0||typeof e=="string";if(!t&&e.textures[this.uuid]!==void 0)return e.textures[this.uuid];let n={metadata:{version:4.6,type:"Texture",generator:"Texture.toJSON"},uuid:this.uuid,name:this.name,image:this.source.toJSON(e).uuid,mapping:this.mapping,channel:this.channel,repeat:[this.repeat.x,this.repeat.y],offset:[this.offset.x,this.offset.y],center:[this.center.x,this.center.y],rotation:this.rotation,wrap:[this.wrapS,this.wrapT],format:this.format,internalFormat:this.internalFormat,type:this.type,colorSpace:this.colorSpace,minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY,generateMipmaps:this.generateMipmaps,premultiplyAlpha:this.premultiplyAlpha,unpackAlignment:this.unpackAlignment};return Object.keys(this.userData).length>0&&(n.userData=this.userData),t||(e.textures[this.uuid]=n),n}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(e){if(this.mapping!==ta)return e;if(e.applyMatrix3(this.matrix),e.x<0||e.x>1)switch(this.wrapS){case Kn:e.x=e.x-Math.floor(e.x);break;case Tt:e.x=e.x<0?0:1;break;case 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o=0;o<a;o++)this.textures[o]=s.clone(),this.textures[o].isRenderTargetTexture=!0,this.textures[o].renderTarget=this;this.depthBuffer=n.depthBuffer,this.stencilBuffer=n.stencilBuffer,this.resolveDepthBuffer=n.resolveDepthBuffer,this.resolveStencilBuffer=n.resolveStencilBuffer,this._depthTexture=null,this.depthTexture=n.depthTexture,this.samples=n.samples}get texture(){return this.textures[0]}set texture(e){this.textures[0]=e}set depthTexture(e){this._depthTexture!==null&&(this._depthTexture.renderTarget=null),e!==null&&(e.renderTarget=this),this._depthTexture=e}get depthTexture(){return this._depthTexture}setSize(e,t,n=1){if(this.width!==e||this.height!==t||this.depth!==n){this.width=e,this.height=t,this.depth=n;for(let i=0,s=this.textures.length;i<s;i++)this.textures[i].image.width=e,this.textures[i].image.height=t,this.textures[i].image.depth=n;this.dispose()}this.viewport.set(0,0,e,t),this.scissor.set(0,0,e,t)}clone(){return new this.constructor().copy(this)}copy(e){this.width=e.width,this.height=e.height,this.depth=e.depth,this.scissor.copy(e.scissor),this.scissorTest=e.scissorTest,this.viewport.copy(e.viewport),this.textures.length=0;for(let t=0,n=e.textures.length;t<n;t++){this.textures[t]=e.textures[t].clone(),this.textures[t].isRenderTargetTexture=!0,this.textures[t].renderTarget=this;let i=Object.assign({},e.textures[t].image);this.textures[t].source=new Aa(i)}return this.depthBuffer=e.depthBuffer,this.stencilBuffer=e.stencilBuffer,this.resolveDepthBuffer=e.resolveDepthBuffer,this.resolveStencilBuffer=e.resolveStencilBuffer,e.depthTexture!==null&&(this.depthTexture=e.depthTexture.clone()),this.samples=e.samples,this}dispose(){this.dispatchEvent({type:"dispose"})}},vn=class extends Lu{constructor(e=1,t=1,n={}){super(e,t,n),this.isWebGLRenderTarget=!0}},al=class extends yt{constructor(e=null,t=1,n=1,i=1){super(null),this.isDataArrayTexture=!0,this.image={data:e,width:t,height:n,depth:i},this.magFilter=Qt,this.minFilter=Qt,this.wrapR=Tt,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1,this.layerUpdates=new Set}addLayerUpdate(e){this.layerUpdates.add(e)}clearLayerUpdates(){this.layerUpdates.clear()}},ol=class extends yt{constructor(e=null,t=1,n=1,i=1){super(null),this.isData3DTexture=!0,this.image={data:e,width:t,height:n,depth:i},this.magFilter=Qt,this.minFilter=Qt,this.wrapR=Tt,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}},Kt=class{constructor(e=0,t=0,n=0,i=1){this.isQuaternion=!0,this._x=e,this._y=t,this._z=n,this._w=i}static slerpFlat(e,t,n,i,s,a,o){let A=n[i+0],l=n[i+1],c=n[i+2],h=n[i+3],u=s[a+0],d=s[a+1],f=s[a+2],m=s[a+3];if(o===0){e[t+0]=A,e[t+1]=l,e[t+2]=c,e[t+3]=h;return}if(o===1){e[t+0]=u,e[t+1]=d,e[t+2]=f,e[t+3]=m;return}if(h!==m||A!==u||l!==d||c!==f){let 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this._x=e.x,this._y=e.y,this._z=e.z,this._w=e.w,this._onChangeCallback(),this}setFromEuler(e,t=!0){let n=e._x,i=e._y,s=e._z,a=e._order,o=Math.cos,A=Math.sin,l=o(n/2),c=o(i/2),h=o(s/2),u=A(n/2),d=A(i/2),f=A(s/2);switch(a){case"XYZ":this._x=u*c*h+l*d*f,this._y=l*d*h-u*c*f,this._z=l*c*f+u*d*h,this._w=l*c*h-u*d*f;break;case"YXZ":this._x=u*c*h+l*d*f,this._y=l*d*h-u*c*f,this._z=l*c*f-u*d*h,this._w=l*c*h+u*d*f;break;case"ZXY":this._x=u*c*h-l*d*f,this._y=l*d*h+u*c*f,this._z=l*c*f+u*d*h,this._w=l*c*h-u*d*f;break;case"ZYX":this._x=u*c*h-l*d*f,this._y=l*d*h+u*c*f,this._z=l*c*f-u*d*h,this._w=l*c*h+u*d*f;break;case"YZX":this._x=u*c*h+l*d*f,this._y=l*d*h+u*c*f,this._z=l*c*f-u*d*h,this._w=l*c*h-u*d*f;break;case"XZY":this._x=u*c*h-l*d*f,this._y=l*d*h-u*c*f,this._z=l*c*f+u*d*h,this._w=l*c*h+u*d*f;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+a)}return t===!0&&this._onChangeCallback(),this}setFromAxisAngle(e,t){let n=t/2,i=Math.sin(n);return 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this._x=n*c+a*o+i*l-s*A,this._y=i*c+a*A+s*o-n*l,this._z=s*c+a*l+n*A-i*o,this._w=a*c-n*o-i*A-s*l,this._onChangeCallback(),this}slerp(e,t){if(t===0)return this;if(t===1)return this.copy(e);let n=this._x,i=this._y,s=this._z,a=this._w,o=a*e._w+n*e._x+i*e._y+s*e._z;if(o<0?(this._w=-e._w,this._x=-e._x,this._y=-e._y,this._z=-e._z,o=-o):this.copy(e),o>=1)return this._w=a,this._x=n,this._y=i,this._z=s,this;let A=1-o*o;if(A<=Number.EPSILON){let d=1-t;return this._w=d*a+t*this._w,this._x=d*n+t*this._x,this._y=d*i+t*this._y,this._z=d*s+t*this._z,this.normalize(),this}let l=Math.sqrt(A),c=Math.atan2(l,o),h=Math.sin((1-t)*c)/l,u=Math.sin(t*c)/l;return this._w=a*h+this._w*u,this._x=n*h+this._x*u,this._y=i*h+this._y*u,this._z=s*h+this._z*u,this._onChangeCallback(),this}slerpQuaternions(e,t,n){return this.copy(e).slerp(t,n)}random(){let e=2*Math.PI*Math.random(),t=2*Math.PI*Math.random(),n=Math.random(),i=Math.sqrt(1-n),s=Math.sqrt(n);return 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this.x=Math.random(),this.y=Math.random(),this.z=Math