@leafer-draw/worker/dist/worker.esm.min.js

@leafer-draw/worker

import{LeaferCanvasBase as t,Platform as e,canvasPatch as i,FileHelper as s,Creator as n,LeaferImage as a,defineKey as r,LeafList as o,DataHelper as l,RenderEvent as d,ChildEvent as c,WatchEvent as h,PropertyEvent as u,LeafHelper as f,BranchHelper as p,LeafBoundsHelper as g,Bounds as _,Debug as y,LeafLevelList as w,LayoutEvent as m,Run as x,ImageManager as v,ResizeEvent as b,BoundsHelper as k,getMatrixData as S,MatrixHelper as B,MathHelper as E,AlignHelper as R,PointHelper as A,ImageEvent as L,AroundHelper as T,Direction4 as O}from"@leafer/core";export*from"@leafer/core";export{LeaferImage}from"@leafer/core";import{PaintImage as W,Paint as C,ColorConvert as D,PaintGradient as M,Export as P,Group as I,TextConvert as F,Effect as Y}from"@leafer-ui/draw";export*from"@leafer-ui/draw";class z extends t{get allowBackgroundColor(){return!0}init(){this.__createView(),this.__createContext(),this.resize(this.config)}__createView(){this.view=e.origin.createCanvas(1,1)}updateViewSize(){const{width:t,height:e,pixelRatio:i}=this;this.view.width=Math.ceil(t*i),this.view.height=Math.ceil(e*i),this.clientBounds=this.bounds}}i(OffscreenCanvasRenderingContext2D.prototype),i(Path2D.prototype);const{mineType:U}=s;function G(t,i){e.origin={createCanvas:(t,e)=>new OffscreenCanvas(t,e),canvasToDataURL:(t,e,i)=>new Promise(((s,n)=>{t.convertToBlob({type:U(e),quality:i}).then((t=>{var e=new FileReader;e.onload=t=>s(t.target.result),e.onerror=t=>n(t),e.readAsDataURL(t)})).catch((t=>{n(t)}))})),canvasToBolb:(t,e,i)=>t.convertToBlob({type:U(e),quality:i}),canvasSaveAs:(t,e,i)=>new Promise((t=>t())),download(t,e){},loadImage:t=>new Promise(((i,s)=>{let n=new XMLHttpRequest;n.open("GET",e.image.getRealURL(t),!0),n.responseType="blob",n.onload=()=>{createImageBitmap(n.response).then((t=>{i(t)})).catch((t=>{s(t)}))},n.onerror=t=>s(t),n.send()}))},e.canvas=n.canvas(),e.conicGradientSupport=!!e.canvas.context.createConicGradient}Object.assign(n,{canvas:(t,e)=>new z(t,e),image:t=>new a(t)}),e.name="web",e.isWorker=!0,e.backgrounder=!0,e.requestRender=function(t){requestAnimationFrame(t)},r(e,"devicePixelRatio",{get:()=>1});const{userAgent:j}=navigator;j.indexOf("Firefox")>-1?(e.conicGradientRotate90=!0,e.intWheelDeltaY=!0):j.indexOf("Safari")>-1&&-1===j.indexOf("Chrome")&&(e.fullImageShadow=!0),j.indexOf("Windows")>-1?(e.os="Windows",e.intWheelDeltaY=!0):j.indexOf("Mac")>-1?e.os="Mac":j.indexOf("Linux")>-1&&(e.os="Linux");class N{get childrenChanged(){return this.hasAdd||this.hasRemove||this.hasVisible}get updatedList(){if(this.hasRemove){const t=new o;return this.__updatedList.list.forEach((e=>{e.leafer&&t.add(e)})),t}return this.__updatedList}constructor(t,e){this.totalTimes=0,this.config={},this.__updatedList=new o,this.target=t,e&&(this.config=l.default(e,this.config)),this.__listenEvents()}start(){this.disabled||(this.running=!0)}stop(){this.running=!1}disable(){this.stop(),this.__removeListenEvents(),this.disabled=!0}update(){this.changed=!0,this.running&&this.target.emit(d.REQUEST)}__onAttrChange(t){this.__updatedList.add(t.target),this.update()}__onChildEvent(t){t.type===c.ADD?(this.hasAdd=!0,this.__pushChild(t.child)):(this.hasRemove=!0,this.__updatedList.add(t.parent)),this.update()}__pushChild(t){this.__updatedList.add(t),t.isBranch&&this.__loopChildren(t)}__loopChildren(t){const{children:e}=t;for(let t=0,i=e.length;t<i;t++)this.__pushChild(e[t])}__onRquestData(){this.target.emitEvent(new h(h.DATA,{updatedList:this.updatedList})),this.__updatedList=new o,this.totalTimes++,this.changed=this.hasVisible=this.hasRemove=this.hasAdd=!1}__listenEvents(){this.__eventIds=[this.target.on_([[u.CHANGE,this.__onAttrChange,this],[[c.ADD,c.REMOVE],this.__onChildEvent,this],[h.REQUEST,this.__onRquestData,this]])]}__removeListenEvents(){this.target.off_(this.__eventIds)}destroy(){this.target&&(this.stop(),this.__removeListenEvents(),this.target=this.__updatedList=null)}}const{updateAllMatrix:q,updateBounds:X,updateChange:H}=f,{pushAllChildBranch:V,pushAllParent:Q}=p;const{worldBounds:Z}=g;class ${constructor(t){this.updatedBounds=new _,this.beforeBounds=new _,this.afterBounds=new _,t instanceof Array&&(t=new o(t)),this.updatedList=t}setBefore(){this.beforeBounds.setListWithFn(this.updatedList.list,Z)}setAfter(){this.afterBounds.setListWithFn(this.updatedList.list,Z),this.updatedBounds.setList([this.beforeBounds,this.afterBounds])}merge(t){this.updatedList.addList(t.updatedList.list),this.beforeBounds.add(t.beforeBounds),this.afterBounds.add(t.afterBounds),this.updatedBounds.add(t.updatedBounds)}destroy(){this.updatedList=null}}const{updateAllMatrix:J,updateAllChange:K}=f,tt=y.get("Layouter");class et{constructor(t,e){this.totalTimes=0,this.config={},this.__levelList=new w,this.target=t,e&&(this.config=l.default(e,this.config)),this.__listenEvents()}start(){this.disabled||(this.running=!0)}stop(){this.running=!1}disable(){this.stop(),this.__removeListenEvents(),this.disabled=!0}layout(){if(this.layouting||!this.running)return;const{target:t}=this;this.times=0;try{t.emit(m.START),this.layoutOnce(),t.emitEvent(new m(m.END,this.layoutedBlocks,this.times))}catch(t){tt.error(t)}this.layoutedBlocks=null}layoutAgain(){this.layouting?this.waitAgain=!0:this.layoutOnce()}layoutOnce(){return this.layouting?tt.warn("layouting"):this.times>3?tt.warn("layout max times"):(this.times++,this.totalTimes++,this.layouting=!0,this.target.emit(h.REQUEST),this.totalTimes>1?this.partLayout():this.fullLayout(),this.layouting=!1,void(this.waitAgain&&(this.waitAgain=!1,this.layoutOnce())))}partLayout(){var t;if(!(null===(t=this.__updatedList)||void 0===t?void 0:t.length))return;const e=x.start("PartLayout"),{target:i,__updatedList:s}=this,{BEFORE:n,LAYOUT:a,AFTER:r}=m,o=this.getBlocks(s);o.forEach((t=>t.setBefore())),i.emitEvent(new m(n,o,this.times)),this.extraBlock=null,s.sort(),function(t,e){let i;t.list.forEach((t=>{i=t.__layout,e.without(t)&&!i.proxyZoom&&(i.matrixChanged?(q(t,!0),e.add(t),t.isBranch&&V(t,e),Q(t,e)):i.boundsChanged&&(e.add(t),t.isBranch&&(t.__tempNumber=0),Q(t,e)))}))}(s,this.__levelList),function(t){let e,i,s;t.sort(!0),t.levels.forEach((n=>{e=t.levelMap[n];for(let t=0,n=e.length;t<n;t++){if(i=e[t],i.isBranch&&i.__tempNumber){s=i.children;for(let t=0,e=s.length;t<e;t++)s[t].isBranch||X(s[t])}X(i)}}))}(this.__levelList),function(t){t.list.forEach(H)}(s),this.extraBlock&&o.push(this.extraBlock),o.forEach((t=>t.setAfter())),i.emitEvent(new m(a,o,this.times)),i.emitEvent(new m(r,o,this.times)),this.addBlocks(o),this.__levelList.reset(),this.__updatedList=null,x.end(e)}fullLayout(){const t=x.start("FullLayout"),{target:e}=this,{BEFORE:i,LAYOUT:s,AFTER:n}=m,a=this.getBlocks(new o(e));e.emitEvent(new m(i,a,this.times)),et.fullLayout(e),a.forEach((t=>{t.setAfter()})),e.emitEvent(new m(s,a,this.times)),e.emitEvent(new m(n,a,this.times)),this.addBlocks(a),x.end(t)}static fullLayout(t){J(t,!0),t.isBranch?p.updateBounds(t):f.updateBounds(t),K(t)}addExtra(t){if(!this.__updatedList.has(t)){const{updatedList:e,beforeBounds:i}=this.extraBlock||(this.extraBlock=new $([]));e.length?i.add(t.__world):i.set(t.__world),e.add(t)}}createBlock(t){return new $(t)}getBlocks(t){return[this.createBlock(t)]}addBlocks(t){this.layoutedBlocks?this.layoutedBlocks.push(...t):this.layoutedBlocks=t}__onReceiveWatchData(t){this.__updatedList=t.data.updatedList}__listenEvents(){this.__eventIds=[this.target.on_([[m.REQUEST,this.layout,this],[m.AGAIN,this.layoutAgain,this],[h.DATA,this.__onReceiveWatchData,this]])]}__removeListenEvents(){this.target.off_(this.__eventIds)}destroy(){this.target&&(this.stop(),this.__removeListenEvents(),this.target=this.config=null)}}const it=y.get("Renderer");class st{get needFill(){return!(this.canvas.allowBackgroundColor||!this.config.fill)}constructor(t,e,i){this.FPS=60,this.totalTimes=0,this.times=0,this.config={usePartRender:!0,maxFPS:60},this.target=t,this.canvas=e,i&&(this.config=l.default(i,this.config)),this.__listenEvents()}start(){this.running=!0,this.update(!1)}stop(){this.running=!1}update(t=!0){this.changed||(this.changed=t),this.__requestRender()}requestLayout(){this.target.emit(m.REQUEST)}checkRender(){if(this.running){const{target:t}=this;t.isApp&&(t.emit(d.CHILD_START,t),t.children.forEach((t=>{t.renderer.FPS=this.FPS,t.renderer.checkRender()})),t.emit(d.CHILD_END,t)),this.changed&&this.canvas.view&&this.render(),this.target.emit(d.NEXT)}}render(t){if(!this.running||!this.canvas.view)return this.update();const{target:e}=this;this.times=0,this.totalBounds=new _,it.log(e.innerName,"---\x3e");try{this.emitRender(d.START),this.renderOnce(t),this.emitRender(d.END,this.totalBounds),v.clearRecycled()}catch(t){this.rendering=!1,it.error(t)}it.log("-------------|")}renderAgain(){this.rendering?this.waitAgain=!0:this.renderOnce()}renderOnce(t){if(this.rendering)return it.warn("rendering");if(this.times>3)return it.warn("render max times");if(this.times++,this.totalTimes++,this.rendering=!0,this.changed=!1,this.renderBounds=new _,this.renderOptions={},t)this.emitRender(d.BEFORE),t();else{if(this.requestLayout(),this.ignore)return void(this.ignore=this.rendering=!1);this.emitRender(d.BEFORE),this.config.usePartRender&&this.totalTimes>1?this.partRender():this.fullRender()}this.emitRender(d.RENDER,this.renderBounds,this.renderOptions),this.emitRender(d.AFTER,this.renderBounds,this.renderOptions),this.updateBlocks=null,this.rendering=!1,this.waitAgain&&(this.waitAgain=!1,this.renderOnce())}partRender(){const{canvas:t,updateBlocks:e}=this;e&&(this.mergeBlocks(),e.forEach((e=>{t.bounds.hit(e)&&!e.isEmpty()&&this.clipRender(e)})))}clipRender(t){const e=x.start("PartRender"),{canvas:i}=this,s=t.getIntersect(i.bounds),n=new _(s);i.save(),s.spread(st.clipSpread).ceil(),i.clearWorld(s,!0),i.clipWorld(s,!0),this.__render(s,n),i.restore(),x.end(e)}fullRender(){const t=x.start("FullRender"),{canvas:e}=this;e.save(),e.clear(),this.__render(e.bounds),e.restore(),x.end(t)}__render(t,e){const{canvas:i}=this,s=t.includes(this.target.__world),n=s?{includes:s}:{bounds:t,includes:s};this.needFill&&i.fillWorld(t,this.config.fill),y.showRepaint&&y.drawRepaint(i,t),this.target.__render(i,n),this.renderBounds=e=e||t,this.renderOptions=n,this.totalBounds.isEmpty()?this.totalBounds=e:this.totalBounds.add(e),i.updateRender(e)}addBlock(t){this.updateBlocks||(this.updateBlocks=[]),this.updateBlocks.push(t)}mergeBlocks(){const{updateBlocks:t}=this;if(t){const e=new _;e.setList(t),t.length=0,t.push(e)}}__requestRender(){const t=this.target;if(this.requestTime||!t)return;if(t.parentApp)return t.parentApp.requestRender(!1);const i=this.requestTime=Date.now();e.requestRender((()=>{this.FPS=Math.min(60,Math.ceil(1e3/(Date.now()-i))),this.requestTime=0,this.checkRender()}))}__onResize(t){if(!this.canvas.unreal){if(t.bigger||!t.samePixelRatio){const{width:e,height:i}=t.old;if(!new _(0,0,e,i).includes(this.target.__world)||this.needFill||!t.samePixelRatio)return this.addBlock(this.canvas.bounds),void this.target.forceUpdate("surface")}this.addBlock(new _(0,0,1,1)),this.update()}}__onLayoutEnd(t){t.data&&t.data.map((t=>{let e;t.updatedList&&t.updatedList.list.some((t=>(e=!t.__world.width||!t.__world.height,e&&(t.isLeafer||it.tip(t.innerName,": empty"),e=!t.isBranch||t.isBranchLeaf),e))),this.addBlock(e?this.canvas.bounds:t.updatedBounds)}))}emitRender(t,e,i){this.target.emitEvent(new d(t,this.times,e,i))}__listenEvents(){this.__eventIds=[this.target.on_([[d.REQUEST,this.update,this],[m.END,this.__onLayoutEnd,this],[d.AGAIN,this.renderAgain,this],[b.RESIZE,this.__onResize,this]])]}__removeListenEvents(){this.target.off_(this.__eventIds)}destroy(){this.target&&(this.stop(),this.__removeListenEvents(),this.target=this.canvas=this.config=null)}}function nt(t,e){const i=t.__,{rows:s,decorationY:n}=i.__textDrawData;let a;i.__isPlacehold&&i.placeholderColor&&(e.fillStyle=i.placeholderColor);for(let t=0,i=s.length;t<i;t++)a=s[t],a.text?e.fillText(a.text,a.x,a.y):a.data&&a.data.forEach((t=>{e.fillText(t.char,t.x,a.y)}));if(n){const{decorationColor:t,decorationHeight:a}=i.__textDrawData;t&&(e.fillStyle=t),s.forEach((t=>n.forEach((i=>e.fillRect(t.x,t.y+i,t.width,a)))))}}function at(t,e){t.__.__font?nt(t,e):t.__.windingRule?e.fill(t.__.windingRule):e.fill()}function rt(t,e,i){switch(e.__.strokeAlign){case"center":ot(t,1,e,i);break;case"inside":lt(t,"inside",e,i);break;case"outside":e.__.__fillAfterStroke?ot(t,2,e,i):lt(t,"outside",e,i)}}function ot(t,e,i,s){const n=i.__;"object"==typeof t?ct(t,e,!0,i,s):(s.setStroke(t,n.__strokeWidth*e,n),dt(i,s))}function lt(t,e,i,s){const n=s.getSameCanvas(!0,!0);n.font=i.__.__font,ot(t,2,i,n),n.blendMode="outside"===e?"destination-out":"destination-in",nt(i,n),n.blendMode="normal",f.copyCanvasByWorld(i,s,n),n.recycle(i.__nowWorld)}function dt(t,e){let i,s=t.__.__textDrawData;const{rows:n,decorationY:a}=s;for(let t=0,s=n.length;t<s;t++)i=n[t],i.text?e.strokeText(i.text,i.x,i.y):i.data&&i.data.forEach((t=>{e.strokeText(t.char,t.x,i.y)}));if(a){const{decorationHeight:t}=s;n.forEach((i=>a.forEach((s=>e.strokeRect(i.x,i.y+s,i.width,t)))))}}function ct(t,e,i,s,n){let a;const r=s.__,{__hasMultiStrokeStyle:o}=r;o||n.setStroke(void 0,r.__strokeWidth*e,r);for(let 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t?ct(t,e,!1,i,s):(s.setStroke(t,n.__strokeWidth*e,n),s.stroke()),n.__useArrow&&C.strokeArrow(t,i,s)}st.clipSpread=10,Object.assign(n,{watcher:(t,e)=>new N(t,e),layouter:(t,e)=>new et(t,e),renderer:(t,e,i)=>new st(t,e,i),selector:(t,e)=>{},interaction:(t,e,i,s)=>{}}),e.layout=et.fullLayout;const{getSpread:ft,getOuterOf:pt,getByMove:gt,getIntersectData:_t}=k;let yt;const{stintSet:wt}=l,{hasTransparent:mt}=D;function xt(t,e,i){if("object"!=typeof e||!1===e.visible||0===e.opacity)return;let s;const{boxBounds:n}=i.__layout;switch(e.type){case"image":s=W.image(i,t,e,n,!yt||!yt[e.url]);break;case"linear":s=M.linearGradient(e,n);break;case"radial":s=M.radialGradient(e,n);break;case"angular":s=M.conicGradient(e,n);break;case"solid":const{type:a,color:r,opacity:o}=e;s={type:a,style:D.string(r,o)};break;default:void 0!==e.r&&(s={type:"solid",style:D.string(e)})}if(s){if("string"==typeof s.style&&mt(s.style)&&(s.isTransparent=!0),e.style){if(0===e.style.strokeWidth)return;s.strokeStyle=e.style}e.blendMode&&(s.blendMode=e.blendMode)}return s}const vt={compute:function(t,e){const i=e.__,s=[];let n,a,r,o=i.__input[t];o instanceof Array||(o=[o]),yt=W.recycleImage(t,i);for(let i,n=0,a=o.length;n<a;n++)(i=xt(t,o[n],e))&&(s.push(i),i.strokeStyle&&(r||(r=1),i.strokeStyle.strokeWidth&&(r=Math.max(r,i.strokeStyle.strokeWidth))));i["_"+t]=s.length?s:void 0,s.length&&s.every((t=>t.isTransparent))&&(s.some((t=>t.image))&&(n=!0),a=!0),"fill"===t?(wt(i,"__isAlphaPixelFill",n),wt(i,"__isTransparentFill",a)):(wt(i,"__isAlphaPixelStroke",n),wt(i,"__isTransparentStroke",a),wt(i,"__hasMultiStrokeStyle",r))},fill:function(t,e,i){i.fillStyle=t,at(e,i)},fills:function(t,e,i){let s;for(let 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r=0,c=n;r<c;r++){if(m=i[r],m.x=f,m.width<g||m.width>g&&!l)switch(d){case"center":m.x+=(b-m.width)/2;break;case"right":m.x+=b-m.width}m.paraStart&&h&&r>0&&(w+=h),m.y=w,w+=a,t.overflow>r&&w>y&&(m.isOverflow=!0,t.overflow=r+1),x=m.x,v=m.width,o<0&&(m.width<0?(v=-m.width+e.fontSize+o,x-=v,v+=e.fontSize):v-=o),x<s.x&&(s.x=x),v>s.width&&(s.width=v),l&&g&&g<v&&(m.isOverflow=!0,t.overflow||(t.overflow=i.length))}s.y=p,s.height=y}(c,i),function(t,e,i){const{rows:s}=t,{textAlign:n,paraIndent:a,letterSpacing:r}=e;let o,l,d,c,h,u;s.forEach((t=>{t.words&&(d=a&&t.paraStart?a:0,u=t.words.length,l=i&&("justify"===n||"both"===n)&&u>1?(i-t.width-d)/(u-1):0,c=r||t.isOverflow?0:l>.01?1:2,t.isOverflow&&!r&&(t.textMode=!0),2===c?(t.x+=d,function(t){t.text="",t.words.forEach((e=>{e.data.forEach((e=>{t.text+=e.char}))}))}(t)):(t.x+=d,o=t.x,t.data=[],t.words.forEach(((e,i)=>{1===c?(h={char:"",x:o},o=function(t,e,i){return t.forEach((t=>{i.char+=t.char,e+=t.width})),e}(e.data,o,h),(t.isOverflow||" 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n?(i=n.type,n.color&&(t.decorationColor=D.string(n.color))):i=n,i){case"under":t.decorationY=[.15*s];break;case"delete":t.decorationY=[.35*-s];break;case"under-delete":t.decorationY=[.15*s,.35*-s]}}(c,i),c}};const Pi={string:function(t,e){const i="number"==typeof e&&1!==e;if("string"==typeof t){if(!i||!D.object)return t;t=D.object(t)}let s=void 0===t.a?1:t.a;i&&(s*=e);const n=t.r+","+t.g+","+t.b;return 1===s?"rgb("+n+")":"rgba("+n+","+s+")"}};Object.assign(F,Mi),Object.assign(D,Pi),Object.assign(C,vt),Object.assign(W,ne),Object.assign(M,ke),Object.assign(Y,Oe),G();export{et as Layouter,z as LeaferCanvas,st as Renderer,N as Watcher,G as useCanvas};
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