import{t as e}from"./index-DoRt0pZc.js";function t(e,t,n){if(!Number.isInteger(t)||!Number.isInteger(n)||t<1||n<1||e.length!==t*n)throw Error(`누끼 크기를 읽지 못했어요. 다른 사진으로 다시 시도해 주세요.`);let r=t,i=n,a=0,o=0,s=0,c=0;for(let n=0;n<e.length;n++)if(e[n]===255&&c++,e[n]>=13){let e=n%t,c=Math.floor(n/t);r=Math.min(r,e),i=Math.min(i,c),a=Math.max(a,e+1),o=Math.max(o,c+1),s++}if(!s||c===e.length)throw Error(`강아지와 배경을 구분하지 못했어요. 다른 사진으로 다시 시도해 주세요.`);let l=new Uint8Array(e.length),u=new Int32Array(s),d=[];for(let r=0;r<e.length;r++){if(l[r]||e[r]<13)continue;let i=0,a=1;for(u[0]=r,l[r]=1;i<a;){let r=u[i++],o=r%t,s=Math.floor(r/t);for(let r=-1;r<=1;r++)for(let i=-1;i<=1;i++){let c=o+i,d=s+r;if(c<0||c>=t||d<0||d>=n)continue;let f=d*t+c;!l[f]&&e[f]>=13&&(l[f]=1,u[a++]=f)}}d.push(a)}let f=d.filter(e=>e>=s*.05).length,p=[];f>1&&p.push(`multiple-foreground`),s<16&&p.push(`tiny-foreground`);let m=Math.ceil(Math.max(t,n)*.01);return{bounds:{x0:Math.max(0,r-m),y0:Math.max(0,i-m),x1:Math.min(t,a+m),y1:Math.min(n,o+m)},largeComponentCount:f,warnings:p}}var n=class{worker=null;disposed=!1;pending=null;onStatus;constructor(e=()=>{}){this.onStatus=e}run(e,t){return this.disposed?Promise.reject(Error(`누끼 준비가 종료됐어요.`)):(this.cancel(),t.throwIfAborted(),new Promise((n,r)=>{let i=()=>this.cancel(),a={snapshot:e,signal:t,abort:i,fallback:!1,resolve:n,reject:r};this.pending=a,t.addEventListener(`abort`,i,{once:!0}),this.send(a).catch(e=>{this.pending===a&&this.fail(e)})}))}cancel(){let e=this.pending;this.pending=null,this.worker?.terminate(),this.worker=null,e&&(e.signal.removeEventListener(`abort`,e.abort),e.reject(new DOMException(`사진 준비를 취소했어요.`,`AbortError`)))}dispose(){this.disposed=!0,this.cancel()}fail(e){let t=this.pending;t&&(this.pending=null,this.worker?.terminate(),this.worker=null,t.signal.removeEventListener(`abort`,t.abort),t.reject(e instanceof Error?e:Error(`누끼를 준비하지 못했어요.`)))}async send(e){let n=await createImageBitmap(e.snapshot.bitmap);if(this.pending!==e||e.signal.aborted){n.close();return}let r;try{r=new Worker(new URL(`/assets/cutout.worker-D417j0Nw.js`,``+import.meta.url),{type:`module`})}catch(e){throw n.close(),e}this.worker=r,r.onmessage=n=>{if(this.worker!==r||this.pending!==e||n.data.id!==e.snapshot.requestId)return;let i=n.data;if(i.type===`status`){this.onStatus(i.id,i.message);return}if(r.terminate(),this.worker=null,i.type===`fallback`){if(e.fallback){this.fail(Error(`이 기기에서 누끼를 계산하지 못했어요.`));return}e.fallback=!0,this.send(e).catch(t=>{this.pending===e&&this.fail(t)});return}if(i.type===`error`){this.fail(Error(i.message));return}try{if(i.width!==e.snapshot.width||i.height!==e.snapshot.height)throw Error(`누끼 좌표가 사진과 맞지 않아요.`);let n=new Uint8Array(i.alpha),r=t(n,i.width,i.height);this.pending=null,e.signal.removeEventListener(`abort`,e.abort),e.resolve({requestId:i.id,width:i.width,height:i.height,alpha:n,...r,run:i.run})}catch(e){this.fail(e)}},r.onerror=t=>{this.worker===r&&this.pending===e&&this.fail(Error(t.message||`누끼 작업이 중단됐어요.`))},r.onmessageerror=()=>{this.worker===r&&this.pending===e&&this.fail(Error(`누끼 결과를 읽지 못했어요.`))};try{r.postMessage({type:`infer`,id:e.snapshot.requestId,image:n,forceWasm:e.fallback},[n])}catch(e){throw n.close(),e}}},r=class{nextId=0;pending=null;disposed=!1;results=new Set;provider=new n((e,t)=>{this.pending?.id===e&&!this.pending.controller.signal.aborted&&this.pending.onProgress(t)});async prepare(n,r=()=>{},o){if(this.disposed)throw Error(`누끼 준비가 종료됐어요.`);this.cancel(),o?.throwIfAborted();let s=new AbortController,c={id:++this.nextId,controller:s,onProgress:r};this.pending=c;let l=()=>s.abort(o?.reason);o?.addEventListener(`abort`,l,{once:!0});let u=null,d=``,f=``,p=new Image,m=new Image,h=!1,g=null,_=()=>{if(!h){h=!0;for(let e of[p,m])e.onload=e.onerror=null,e.removeAttribute(`src`);d&&URL.revokeObjectURL(d),f&&URL.revokeObjectURL(f),g&&this.results.delete(g)}},v=document.createElement(`canvas`);try{r(`사진 크기와 방향을 준비하는 중…`),u=await e(n,c.id,s.signal),s.signal.throwIfAborted();let o=await this.provider.run(u,s.signal);s.signal.throwIfAborted(),v.width=u.width,v.height=u.height;let l=v.getContext(`2d`);if(!l)throw Error(`사진 미리보기를 준비할 수 없어요.`);l.drawImage(u.bitmap,0,0);let h=await i(v);s.signal.throwIfAborted();let y=l.getImageData(0,0,v.width,v.height),b=new Uint8Array(o.alpha.length);for(let e=0;e<b.length;e++)b[e]=Math.round(y.data[e*4+3]*o.alpha[e]/255),y.data[e*4+3]=b[e];let x=t(b,u.width,u.height);l.putImageData(y,0,0);let S=await i(v);return s.signal.throwIfAborted(),d=URL.createObjectURL(h),f=URL.createObjectURL(S),await a(p,d,s.signal),await a(m,f,s.signal),s.signal.throwIfAborted(),g={...o,alpha:b,...x,requiresReview:!0,originalBlob:h,cutoutBlob:S,originalUrl:d,cutoutUrl:f,originalImage:p,cutoutImage:m,dispose:_},this.results.add(g),g}catch(e){throw _(),e}finally{u?.bitmap.close(),v.width=v.height=1,o?.removeEventListener(`abort`,l),this.pending===c&&(this.pending=null)}}cancel(){let e=this.pending;this.pending=null,e?.controller.abort(),this.provider.cancel()}dispose(){if(!this.disposed){this.disposed=!0,this.cancel(),this.provider.dispose();for(let e of this.results)e.dispose()}}};function i(e){return new Promise((t,n)=>e.toBlob(e=>{!e||e.type!==`image/png`?n(Error(`PNG 사진 미리보기를 만들지 못했어요.`)):t(e)},`image/png`))}function a(e,t,n){return new Promise((r,i)=>{let a=()=>{e.onload=e.onerror=null,n.removeEventListener(`abort`,o)},o=()=>{a(),i(new DOMException(`사진 준비를 취소했어요.`,`AbortError`))};e.onload=()=>{a(),r()},e.onerror=()=>{a(),i(Error(`PNG 사진 미리보기를 읽지 못했어요.`))},n.addEventListener(`abort`,o,{once:!0}),n.aborted?o():e.src=t})}export{r as CutoutPreparation};