@leafer-draw/worker
Version:
3 lines (2 loc) • 33.8 kB
JavaScript
import{LeaferCanvasBase as t,Platform as e,canvasPatch as n,FileHelper as i,Creator as s,LeaferImage as o,defineKey as a,LeafList as r,DataHelper as d,RenderEvent as l,ChildEvent as c,WatchEvent as h,PropertyEvent as u,LeafHelper as f,BranchHelper as _,LeafBoundsHelper as p,Bounds as g,Debug as w,LeafLevelList as y,LayoutEvent as m,Run as v,ImageManager as x,ResizeEvent as b,BoundsHelper as B,MatrixHelper as R,MathHelper as k,AlignHelper as E,ImageEvent as S,AroundHelper as L,PointHelper as A,Direction4 as W}from"@leafer/core";export*from"@leafer/core";export{LeaferImage}from"@leafer/core";import{PaintImage as O,ColorConvert as T,PaintGradient as C,Export as M,Group as D,TextConvert as P,Paint as I,Effect as F}from"@leafer-ui/draw";export*from"@leafer-ui/draw";class Y 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:n}=this;this.view.width=Math.ceil(t*n),this.view.height=Math.ceil(e*n),this.clientBounds=this.bounds}}n(OffscreenCanvasRenderingContext2D.prototype),n(Path2D.prototype);const{mineType:G}=i;function z(t,n){e.origin={createCanvas:(t,e)=>new OffscreenCanvas(t,e),canvasToDataURL:(t,e,n)=>new Promise(((i,s)=>{t.convertToBlob({type:G(e),quality:n}).then((t=>{var e=new FileReader;e.onload=t=>i(t.target.result),e.onerror=t=>s(t),e.readAsDataURL(t)})).catch((t=>{s(t)}))})),canvasToBolb:(t,e,n)=>t.convertToBlob({type:G(e),quality:n}),canvasSaveAs:(t,e,n)=>new Promise((t=>t())),download(t,e){},loadImage:t=>new Promise(((n,i)=>{let s=new XMLHttpRequest;s.open("GET",e.image.getRealURL(t),!0),s.responseType="blob",s.onload=()=>{createImageBitmap(s.response).then((t=>{n(t)})).catch((t=>{i(t)}))},s.onerror=t=>i(t),s.send()}))},e.canvas=s.canvas(),e.conicGradientSupport=!!e.canvas.context.createConicGradient}Object.assign(s,{canvas:(t,e)=>new Y(t,e),image:t=>new o(t)}),e.name="web",e.isWorker=!0,e.backgrounder=!0,e.requestRender=function(t){requestAnimationFrame(t)},a(e,"devicePixelRatio",{get:()=>1});const{userAgent:U}=navigator;U.indexOf("Firefox")>-1?(e.conicGradientRotate90=!0,e.intWheelDeltaY=!0):U.indexOf("Safari")>-1&&-1===U.indexOf("Chrome")&&(e.fullImageShadow=!0),U.indexOf("Windows")>-1?(e.os="Windows",e.intWheelDeltaY=!0):U.indexOf("Mac")>-1?e.os="Mac":U.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 r;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 r,this.target=t,e&&(this.config=d.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(l.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,n=e.length;t<n;t++)this.__pushChild(e[t])}__onRquestData(){this.target.emitEvent(new h(h.DATA,{updatedList:this.updatedList})),this.__updatedList=new r,this.totalTimes++,this.changed=!1,this.hasVisible=!1,this.hasRemove=!1,this.hasAdd=!1}__listenEvents(){const{target:t}=this;this.__eventIds=[t.on_(u.CHANGE,this.__onAttrChange,this),t.on_([c.ADD,c.REMOVE],this.__onChildEvent,this),t.on_(h.REQUEST,this.__onRquestData,this)]}__removeListenEvents(){this.target.off_(this.__eventIds)}destroy(){this.target&&(this.stop(),this.__removeListenEvents(),this.target=null,this.__updatedList=null)}}const{updateAllMatrix:q,updateBounds:j,updateChange:X}=f,{pushAllChildBranch:H,pushAllParent:V}=_;const{worldBounds:Q}=p;class Z{constructor(t){this.updatedBounds=new g,this.beforeBounds=new g,this.afterBounds=new g,t instanceof Array&&(t=new r(t)),this.updatedList=t}setBefore(){this.beforeBounds.setListWithFn(this.updatedList.list,Q)}setAfter(){this.afterBounds.setListWithFn(this.updatedList.list,Q),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:$,updateAllChange:J}=f,K=w.get("Layouter");class tt{constructor(t,e){this.totalTimes=0,this.config={},this.__levelList=new y,this.target=t,e&&(this.config=d.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.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){K.error(t)}this.layoutedBlocks=null}layoutAgain(){this.layouting?this.waitAgain=!0:this.layoutOnce()}layoutOnce(){return this.layouting?K.warn("layouting"):this.times>3?K.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=v.start("PartLayout"),{target:n,__updatedList:i}=this,{BEFORE:s,LAYOUT:o,AFTER:a}=m,r=this.getBlocks(i);r.forEach((t=>t.setBefore())),n.emitEvent(new m(s,r,this.times)),this.extraBlock=null,i.sort(),function(t,e){let n;t.list.forEach((t=>{n=t.__layout,e.without(t)&&!n.proxyZoom&&(n.matrixChanged?(q(t,!0),e.add(t),t.isBranch&&H(t,e),V(t,e)):n.boundsChanged&&(e.add(t),t.isBranch&&(t.__tempNumber=0),V(t,e)))}))}(i,this.__levelList),function(t){let e,n,i;t.sort(!0),t.levels.forEach((s=>{e=t.levelMap[s];for(let t=0,s=e.length;t<s;t++){if(n=e[t],n.isBranch&&n.__tempNumber){i=n.children;for(let t=0,e=i.length;t<e;t++)i[t].isBranch||j(i[t])}j(n)}}))}(this.__levelList),function(t){t.list.forEach(X)}(i),this.extraBlock&&r.push(this.extraBlock),r.forEach((t=>t.setAfter())),n.emitEvent(new m(o,r,this.times)),n.emitEvent(new m(a,r,this.times)),this.addBlocks(r),this.__levelList.reset(),this.__updatedList=null,v.end(e)}fullLayout(){const t=v.start("FullLayout"),{target:e}=this,{BEFORE:n,LAYOUT:i,AFTER:s}=m,o=this.getBlocks(new r(e));e.emitEvent(new m(n,o,this.times)),tt.fullLayout(e),o.forEach((t=>{t.setAfter()})),e.emitEvent(new m(i,o,this.times)),e.emitEvent(new m(s,o,this.times)),this.addBlocks(o),v.end(t)}static fullLayout(t){$(t,!0),t.isBranch?_.updateBounds(t):f.updateBounds(t),J(t)}addExtra(t){if(!this.__updatedList.has(t)){const{updatedList:e,beforeBounds:n}=this.extraBlock||(this.extraBlock=new Z([]));e.length?n.add(t.__world):n.set(t.__world),e.add(t)}}createBlock(t){return new Z(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(){const{target:t}=this;this.__eventIds=[t.on_(m.REQUEST,this.layout,this),t.on_(m.AGAIN,this.layoutAgain,this),t.on_(h.DATA,this.__onReceiveWatchData,this)]}__removeListenEvents(){this.target.off_(this.__eventIds)}destroy(){this.target&&(this.stop(),this.__removeListenEvents(),this.target=this.config=null)}}const et=w.get("Renderer");class nt{get needFill(){return!(this.canvas.allowBackgroundColor||!this.config.fill)}constructor(t,e,n){this.FPS=60,this.totalTimes=0,this.times=0,this.config={usePartRender:!0,maxFPS:60},this.target=t,this.canvas=e,n&&(this.config=d.default(n,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(l.CHILD_START,t),t.children.forEach((t=>{t.renderer.FPS=this.FPS,t.renderer.checkRender()})),t.emit(l.CHILD_END,t)),this.changed&&this.canvas.view&&this.render(),this.target.emit(l.NEXT)}}render(t){if(!this.running||!this.canvas.view)return this.update();const{target:e}=this;this.times=0,this.totalBounds=new g,et.log(e.innerName,"---\x3e");try{this.emitRender(l.START),this.renderOnce(t),this.emitRender(l.END,this.totalBounds),x.clearRecycled()}catch(t){this.rendering=!1,et.error(t)}et.log("-------------|")}renderAgain(){this.rendering?this.waitAgain=!0:this.renderOnce()}renderOnce(t){if(this.rendering)return et.warn("rendering");if(this.times>3)return et.warn("render max times");if(this.times++,this.totalTimes++,this.rendering=!0,this.changed=!1,this.renderBounds=new g,this.renderOptions={},t)this.emitRender(l.BEFORE),t();else{if(this.requestLayout(),this.ignore)return void(this.ignore=this.rendering=!1);this.emitRender(l.BEFORE),this.config.usePartRender&&this.totalTimes>1?this.partRender():this.fullRender()}this.emitRender(l.RENDER,this.renderBounds,this.renderOptions),this.emitRender(l.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=v.start("PartRender"),{canvas:n}=this,i=t.getIntersect(n.bounds),s=new g(i);n.save(),i.spread(nt.clipSpread).ceil(),n.clearWorld(i,!0),n.clipWorld(i,!0),this.__render(i,s),n.restore(),v.end(e)}fullRender(){const t=v.start("FullRender"),{canvas:e}=this;e.save(),e.clear(),this.__render(e.bounds),e.restore(),v.end(t)}__render(t,e){const{canvas:n}=this,i=t.includes(this.target.__world),s=i?{includes:i}:{bounds:t,includes:i};this.needFill&&n.fillWorld(t,this.config.fill),w.showRepaint&&w.drawRepaint(n,t),this.target.__render(n,s),this.renderBounds=e=e||t,this.renderOptions=s,this.totalBounds.isEmpty()?this.totalBounds=e:this.totalBounds.add(e),n.updateRender(e)}addBlock(t){this.updateBlocks||(this.updateBlocks=[]),this.updateBlocks.push(t)}mergeBlocks(){const{updateBlocks:t}=this;if(t){const e=new g;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 n=this.requestTime=Date.now();e.requestRender((()=>{this.FPS=Math.min(60,Math.ceil(1e3/(Date.now()-n))),this.requestTime=0,this.checkRender()}))}__onResize(t){if(!this.canvas.unreal){if(t.bigger||!t.samePixelRatio){const{width:e,height:n}=t.old;if(!new g(0,0,e,n).includes(this.target.__world)||this.needFill||!t.samePixelRatio)return this.addBlock(this.canvas.bounds),void this.target.forceUpdate("surface")}this.addBlock(new g(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||et.tip(t.innerName,": empty"),e=!t.isBranch||t.isBranchLeaf),e))),this.addBlock(e?this.canvas.bounds:t.updatedBounds)}))}emitRender(t,e,n){this.target.emitEvent(new l(t,this.times,e,n))}__listenEvents(){const{target:t}=this;this.__eventIds=[t.on_(l.REQUEST,this.update,this),t.on_(m.END,this.__onLayoutEnd,this),t.on_(l.AGAIN,this.renderAgain,this),t.on_(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 it(t,e){const n=t.__,{rows:i,decorationY:s}=n.__textDrawData;let o;n.__isPlacehold&&n.placeholderColor&&(e.fillStyle=n.placeholderColor);for(let t=0,n=i.length;t<n;t++)o=i[t],o.text?e.fillText(o.text,o.x,o.y):o.data&&o.data.forEach((t=>{e.fillText(t.char,t.x,o.y)}));if(s){const{decorationColor:t,decorationHeight:o}=n.__textDrawData;t&&(e.fillStyle=t),i.forEach((t=>s.forEach((n=>e.fillRect(t.x,t.y+n,t.width,o)))))}}function st(t,e){t.__.__font?it(t,e):t.__.windingRule?e.fill(t.__.windingRule):e.fill()}function ot(t,e,n){const{strokeAlign:i}=e.__,s="string"!=typeof t;switch(i){case"center":n.setStroke(s?void 0:t,e.__.strokeWidth,e.__),s?dt(t,!0,e,n):rt(e,n);break;case"inside":at("inside",t,s,e,n);break;case"outside":at("outside",t,s,e,n)}}function at(t,e,n,i,s){const{__strokeWidth:o,__font:a}=i.__,r=s.getSameCanvas(!0,!0);r.setStroke(n?void 0:e,2*o,i.__),r.font=a,n?dt(e,!0,i,r):rt(i,r),r.blendMode="outside"===t?"destination-out":"destination-in",it(i,r),r.blendMode="normal",i.__worldFlipped?s.copyWorldByReset(r,i.__nowWorld):s.copyWorldToInner(r,i.__nowWorld,i.__layout.renderBounds),r.recycle(i.__nowWorld)}function rt(t,e){let n,i=t.__.__textDrawData;const{rows:s,decorationY:o}=i;for(let t=0,i=s.length;t<i;t++)n=s[t],n.text?e.strokeText(n.text,n.x,n.y):n.data&&n.data.forEach((t=>{e.strokeText(t.char,t.x,n.y)}));if(o){const{decorationHeight:t}=i;s.forEach((n=>o.forEach((i=>e.strokeRect(n.x,n.y+i,n.width,t)))))}}function dt(t,e,n,i){let s;for(let o=0,a=t.length;o<a;o++)s=t[o],s.image&&O.checkImage(n,i,s,!1)||s.style&&(i.strokeStyle=s.style,s.blendMode?(i.saveBlendMode(s.blendMode),e?rt(n,i):i.stroke(),i.restoreBlendMode()):e?rt(n,i):i.stroke())}function lt(t,e){t.__.dashPattern&&(e.beginPath(),t.__drawPathByData(e,t.__.__pathForArrow),e.dashPattern=null,e.stroke())}nt.clipSpread=10,Object.assign(s,{watcher:(t,e)=>new N(t,e),layouter:(t,e)=>new tt(t,e),renderer:(t,e,n)=>new nt(t,e,n),selector:(t,e)=>{},interaction:(t,e,n,i)=>{}}),e.layout=tt.fullLayout;const{getSpread:ct,getOuterOf:ht,getByMove:ut,getIntersectData:ft}=B;let _t;function pt(t,e,n){if("object"!=typeof e||!1===e.visible||0===e.opacity)return;const{boxBounds:i}=n.__layout;switch(e.type){case"solid":let{type:s,blendMode:o,color:a,opacity:r}=e;return{type:s,blendMode:o,style:T.string(a,r)};case"image":return O.image(n,t,e,i,!_t||!_t[e.url]);case"linear":return C.linearGradient(e,i);case"radial":return C.radialGradient(e,i);case"angular":return C.conicGradient(e,i);default:return void 0!==e.r?{type:"solid",style:T.string(e)}:void 0}}const gt={compute:function(t,e){const n=e.__,i=[];let s,o=n.__input[t];o instanceof Array||(o=[o]),_t=O.recycleImage(t,n);for(let n,s=0,a=o.length;s<a;s++)n=pt(t,o[s],e),n&&i.push(n);n["_"+t]=i.length?i:void 0,i.length&&i[0].image&&(s=i[0].image.hasOpacityPixel),"fill"===t?n.__pixelFill=s:n.__pixelStroke=s},fill:function(t,e,n){n.fillStyle=t,st(e,n)},fills:function(t,e,n){let i;for(let s=0,o=t.length;s<o;s++){if(i=t[s],i.image){if(O.checkImage(e,n,i,!e.__.__font))continue;if(!i.style){!s&&i.image.isPlacehold&&e.drawImagePlaceholder(n,i.image);continue}}n.fillStyle=i.style,i.transform?(n.save(),n.transform(i.transform),i.blendMode&&(n.blendMode=i.blendMode),st(e,n),n.restore()):i.blendMode?(n.saveBlendMode(i.blendMode),st(e,n),n.restoreBlendMode()):st(e,n)}},fillPathOrText:st,fillText:it,stroke:function(t,e,n){const i=e.__,{__strokeWidth:s,strokeAlign:o,__font:a}=i;if(s)if(a)ot(t,e,n);else switch(o){case"center":n.setStroke(t,s,i),n.stroke(),i.__useArrow&<(e,n);break;case"inside":n.save(),n.setStroke(t,2*s,i),i.windingRule?n.clip(i.windingRule):n.clip(),n.stroke(),n.restore();break;case"outside":const o=n.getSameCanvas(!0,!0);o.setStroke(t,2*s,i),e.__drawRenderPath(o),o.stroke(),i.windingRule?o.clip(i.windingRule):o.clip(),o.clearWorld(e.__layout.renderBounds),e.__worldFlipped?n.copyWorldByReset(o,e.__nowWorld):n.copyWorldToInner(o,e.__nowWorld,e.__layout.renderBounds),o.recycle(e.__nowWorld)}},strokes:function(t,e,n){const i=e.__,{__strokeWidth:s,strokeAlign:o,__font:a}=i;if(s)if(a)ot(t,e,n);else switch(o){case"center":n.setStroke(void 0,s,i),dt(t,!1,e,n),i.__useArrow&<(e,n);break;case"inside":n.save(),n.setStroke(void 0,2*s,i),i.windingRule?n.clip(i.windingRule):n.clip(),dt(t,!1,e,n),n.restore();break;case"outside":const{renderBounds:o}=e.__layout,a=n.getSameCanvas(!0,!0);e.__drawRenderPath(a),a.setStroke(void 0,2*s,i),dt(t,!1,e,a),i.windingRule?a.clip(i.windingRule):a.clip(),a.clearWorld(o),e.__worldFlipped?n.copyWorldByReset(a,e.__nowWorld):n.copyWorldToInner(a,e.__nowWorld,o),a.recycle(e.__nowWorld)}},strokeText:ot,drawTextStroke:rt,shape:function(t,e,n){const i=e.getSameCanvas(),s=t.__nowWorld;let o,a,r,d,{scaleX:l,scaleY:c}=s;if(l<0&&(l=-l),c<0&&(c=-c),e.bounds.includes(s))d=i,o=r=s;else{const{renderShapeSpread:i}=t.__layout,h=ft(i?ct(e.bounds,l===c?i*l:[i*c,i*l]):e.bounds,s);a=e.bounds.getFitMatrix(h);let{a:u,d:f}=a;if(a.a<1&&(d=e.getSameCanvas(),t.__renderShape(d,n),l*=u,c*=f),r=ht(s,a),o=ut(r,-a.e,-a.f),n.matrix){const{matrix:t}=n;a.multiply(t),u*=t.scaleX,f*=t.scaleY}n=Object.assign(Object.assign({},n),{matrix:a.withScale(u,f)})}return t.__renderShape(i,n),{canvas:i,matrix:a,bounds:o,worldCanvas:d,shapeBounds:r,scaleX:l,scaleY:c}}};let wt={};const{get:yt,rotateOfOuter:mt,translate:vt,scaleOfOuter:xt,scale:bt,rotate:Bt}=R;function Rt(t,e,n,i,s,o,a){const 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s?(n=s.type,s.color&&(t.decorationColor=T.string(s.color))):n=s,n){case"under":t.decorationY=[.15*i];break;case"delete":t.decorationY=[.35*-i];break;case"under-delete":t.decorationY=[.15*i,.35*-i]}}(c,n),c}};const An={string:function(t,e){const n="number"==typeof e&&1!==e;if("string"==typeof t){if(!n||!T.object)return t;t=T.object(t)}let i=void 0===t.a?1:t.a;n&&(i*=e);const s=t.r+","+t.g+","+t.b;return 1===i?"rgb("+s+")":"rgba("+s+","+i+")"}};Object.assign(P,Ln),Object.assign(T,An),Object.assign(I,gt),Object.assign(O,$t),Object.assign(C,pe),Object.assign(F,Be),z();export{tt as Layouter,Y as LeaferCanvas,nt as Renderer,N as Watcher,z as useCanvas};
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