@leafer-draw/miniapp
Version:
3 lines (2 loc) • 35.9 kB
JavaScript
import{LeaferCanvasBase as t,Platform as e,canvasPatch as i,DataHelper as s,canvasSizeAttrs as n,ResizeEvent as a,FileHelper as o,Creator as r,LeaferImage as l,defineKey as c,LeafList as d,RenderEvent as h,ChildEvent as u,WatchEvent as f,PropertyEvent as p,LeafHelper as g,BranchHelper as _,LeafBoundsHelper as w,Bounds as y,Debug as m,LeafLevelList as v,LayoutEvent as x,Run as b,ImageManager as S,BoundsHelper as k,getMatrixData as B,MatrixHelper as R,MathHelper as E,AlignHelper as A,PointHelper as L,ImageEvent as T,AroundHelper as C,Direction4 as W}from"@leafer/core";export*from"@leafer/core";export{LeaferImage}from"@leafer/core";import{PaintImage as O,Paint as P,ColorConvert as D,PaintGradient as M,Export as z,Group as I,TextConvert as F,Effect as U}from"@leafer-ui/draw";export*from"@leafer-ui/draw";class Y extends t{get allowBackgroundColor(){return!1}init(){const{config:t}=this;let i=t.view||t.canvas;i?("string"==typeof i?("#"!==i[0]&&(i="#"+i),this.viewSelect=e.miniapp.select(i)):i.fields?this.viewSelect=i:this.initView(i),this.viewSelect&&e.miniapp.getSizeView(this.viewSelect).then((t=>{this.initView(t)}))):this.initView()}initView(t){t?this.view=t.view||t:(t={},this.__createView()),this.view.getContext?this.__createContext():this.unrealCanvas();const{width:s,height:n,pixelRatio:a}=this.config,o={width:s||t.width,height:n||t.height,pixelRatio:a};this.resize(o),this.context&&(this.viewSelect&&(e.renderCanvas=this),this.context.roundRect&&(this.roundRect=function(t,e,i,s,n){this.context.roundRect(t,e,i,s,"number"==typeof n?[n]:n)}),i(this.context.__proto__))}__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)}updateClientBounds(t){this.viewSelect&&e.miniapp.getBounds(this.viewSelect).then((e=>{this.clientBounds=e,t&&t()}))}startAutoLayout(t,i){this.resizeListener=i,t&&(this.checkSize=this.checkSize.bind(this),e.miniapp.onWindowResize(this.checkSize))}checkSize(){this.viewSelect&&setTimeout((()=>{this.updateClientBounds((()=>{const{width:t,height:e}=this.clientBounds,{pixelRatio:i}=this,s={width:t,height:e,pixelRatio:i};this.isSameSize(s)||this.emitResize(s)}))}),500)}stopAutoLayout(){this.autoLayout=!1,this.resizeListener=null,e.miniapp.offWindowResize(this.checkSize)}unrealCanvas(){this.unreal=!0}emitResize(t){const e={};s.copyAttrs(e,this,n),this.resize(t),void 0!==this.width&&this.resizeListener(new a(t,e))}}const{mineType:G,fileType:N}=o;function j(t,i){e.origin={createCanvas:(t,e,s)=>{const n={type:"2d",width:t,height:e};return i.createOffscreenCanvas?i.createOffscreenCanvas(n):i.createOffScreenCanvas(n)},canvasToDataURL:(t,e,i)=>t.toDataURL(G(e),i),canvasToBolb:(t,e,i)=>t.toBuffer(e,{quality:i}),canvasSaveAs:(t,i,s)=>{let n=t.toDataURL(G(N(i)),s);return n=n.substring(n.indexOf("64,")+3),e.origin.download(n,i)},download:(t,s)=>new Promise(((n,a)=>{let o;s.includes("/")||(s=`${i.env.USER_DATA_PATH}/`+s,o=!0);const r=i.getFileSystemManager();r.writeFile({filePath:s,data:t,encoding:"base64",success(){o?e.miniapp.saveToAlbum(s).then((()=>{r.unlink({filePath:s}),n()})):n()},fail(t){a(t)}})})),loadImage:t=>new Promise(((i,s)=>{const n=e.canvas.view.createImage();n.onload=()=>{i(n)},n.onerror=t=>{s(t)},n.src=e.image.getRealURL(t)})),noRepeat:"repeat-x"},e.miniapp={select:t=>i.createSelectorQuery().select(t),getBounds:t=>new Promise((e=>{t.boundingClientRect().exec((t=>{const i=t[1];e({x:i.top,y:i.left,width:i.width,height:i.height})}))})),getSizeView:t=>new Promise((e=>{t.fields({node:!0,size:!0}).exec((t=>{const i=t[0];e({view:i.node,width:i.width,height:i.height})}))})),saveToAlbum:t=>new Promise((e=>{i.getSetting({success:s=>{s.authSetting["scope.writePhotosAlbum"]?i.saveImageToPhotosAlbum({filePath:t,success(){e(!0)}}):i.authorize({scope:"scope.writePhotosAlbum",success:()=>{i.saveImageToPhotosAlbum({filePath:t,success(){e(!0)}})},fail:()=>{}})}})})),onWindowResize(t){i.onWindowResize(t)},offWindowResize(t){i.offWindowResize(t)}},e.event={stopDefault(t){},stopNow(t){},stop(t){}},e.canvas=r.canvas(),e.conicGradientSupport=!!e.canvas.context.createConicGradient}Object.assign(r,{canvas:(t,e)=>new Y(t,e),image:t=>new l(t)}),e.name="miniapp",e.requestRender=function(t){const{view:i}=e.renderCanvas||e.canvas;i.requestAnimationFrame?i.requestAnimationFrame(t):setTimeout(t,16)},c(e,"devicePixelRatio",{get:()=>Math.max(1,wx.getSystemInfoSync().pixelRatio)});class q{get childrenChanged(){return this.hasAdd||this.hasRemove||this.hasVisible}get updatedList(){if(this.hasRemove){const t=new d;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 d,this.target=t,e&&(this.config=s.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(h.REQUEST)}__onAttrChange(t){this.__updatedList.add(t.target),this.update()}__onChildEvent(t){t.type===u.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 f(f.DATA,{updatedList:this.updatedList})),this.__updatedList=new d,this.totalTimes++,this.changed=this.hasVisible=this.hasRemove=this.hasAdd=!1}__listenEvents(){this.__eventIds=[this.target.on_([[p.CHANGE,this.__onAttrChange,this],[[u.ADD,u.REMOVE],this.__onChildEvent,this],[f.REQUEST,this.__onRquestData,this]])]}__removeListenEvents(){this.target.off_(this.__eventIds)}destroy(){this.target&&(this.stop(),this.__removeListenEvents(),this.target=this.__updatedList=null)}}const{updateAllMatrix:X,updateBounds:V,updateChange:H}=g,{pushAllChildBranch:Q,pushAllParent:Z}=_;const{worldBounds:$}=w;class J{constructor(t){this.updatedBounds=new y,this.beforeBounds=new y,this.afterBounds=new y,t instanceof Array&&(t=new d(t)),this.updatedList=t}setBefore(){this.beforeBounds.setListWithFn(this.updatedList.list,$)}setAfter(){this.afterBounds.setListWithFn(this.updatedList.list,$),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:K,updateAllChange:tt}=g,et=m.get("Layouter");class it{constructor(t,e){this.totalTimes=0,this.config={},this.__levelList=new v,this.target=t,e&&(this.config=s.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(x.START),this.layoutOnce(),t.emitEvent(new x(x.END,this.layoutedBlocks,this.times))}catch(t){et.error(t)}this.layoutedBlocks=null}layoutAgain(){this.layouting?this.waitAgain=!0:this.layoutOnce()}layoutOnce(){return this.layouting?et.warn("layouting"):this.times>3?et.warn("layout max times"):(this.times++,this.totalTimes++,this.layouting=!0,this.target.emit(f.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=b.start("PartLayout"),{target:i,__updatedList:s}=this,{BEFORE:n,LAYOUT:a,AFTER:o}=x,r=this.getBlocks(s);r.forEach((t=>t.setBefore())),i.emitEvent(new x(n,r,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?(X(t,!0),e.add(t),t.isBranch&&Q(t,e),Z(t,e)):i.boundsChanged&&(e.add(t),t.isBranch&&(t.__tempNumber=0),Z(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||V(s[t])}V(i)}}))}(this.__levelList),function(t){t.list.forEach(H)}(s),this.extraBlock&&r.push(this.extraBlock),r.forEach((t=>t.setAfter())),i.emitEvent(new x(a,r,this.times)),i.emitEvent(new x(o,r,this.times)),this.addBlocks(r),this.__levelList.reset(),this.__updatedList=null,b.end(e)}fullLayout(){const t=b.start("FullLayout"),{target:e}=this,{BEFORE:i,LAYOUT:s,AFTER:n}=x,a=this.getBlocks(new d(e));e.emitEvent(new x(i,a,this.times)),it.fullLayout(e),a.forEach((t=>{t.setAfter()})),e.emitEvent(new x(s,a,this.times)),e.emitEvent(new x(n,a,this.times)),this.addBlocks(a),b.end(t)}static fullLayout(t){K(t,!0),t.isBranch?_.updateBounds(t):g.updateBounds(t),tt(t)}addExtra(t){if(!this.__updatedList.has(t)){const{updatedList:e,beforeBounds:i}=this.extraBlock||(this.extraBlock=new J([]));e.length?i.add(t.__world):i.set(t.__world),e.add(t)}}createBlock(t){return new J(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_([[x.REQUEST,this.layout,this],[x.AGAIN,this.layoutAgain,this],[f.DATA,this.__onReceiveWatchData,this]])]}__removeListenEvents(){this.target.off_(this.__eventIds)}destroy(){this.target&&(this.stop(),this.__removeListenEvents(),this.target=this.config=null)}}const st=m.get("Renderer");class nt{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=s.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(x.REQUEST)}checkRender(){if(this.running){const{target:t}=this;t.isApp&&(t.emit(h.CHILD_START,t),t.children.forEach((t=>{t.renderer.FPS=this.FPS,t.renderer.checkRender()})),t.emit(h.CHILD_END,t)),this.changed&&this.canvas.view&&this.render(),this.target.emit(h.NEXT)}}render(t){if(!this.running||!this.canvas.view)return this.update();const{target:e}=this;this.times=0,this.totalBounds=new y,st.log(e.innerName,"---\x3e");try{this.emitRender(h.START),this.renderOnce(t),this.emitRender(h.END,this.totalBounds),S.clearRecycled()}catch(t){this.rendering=!1,st.error(t)}st.log("-------------|")}renderAgain(){this.rendering?this.waitAgain=!0:this.renderOnce()}renderOnce(t){if(this.rendering)return st.warn("rendering");if(this.times>3)return st.warn("render max times");if(this.times++,this.totalTimes++,this.rendering=!0,this.changed=!1,this.renderBounds=new y,this.renderOptions={},t)this.emitRender(h.BEFORE),t();else{if(this.requestLayout(),this.ignore)return void(this.ignore=this.rendering=!1);this.emitRender(h.BEFORE),this.config.usePartRender&&this.totalTimes>1?this.partRender():this.fullRender()}this.emitRender(h.RENDER,this.renderBounds,this.renderOptions),this.emitRender(h.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=b.start("PartRender"),{canvas:i}=this,s=t.getIntersect(i.bounds),n=new y(s);i.save(),s.spread(nt.clipSpread).ceil(),i.clearWorld(s,!0),i.clipWorld(s,!0),this.__render(s,n),i.restore(),b.end(e)}fullRender(){const t=b.start("FullRender"),{canvas:e}=this;e.save(),e.clear(),this.__render(e.bounds),e.restore(),b.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),m.showRepaint&&m.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 y;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 y(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 y(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||st.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 h(t,this.times,e,i))}__listenEvents(){this.__eventIds=[this.target.on_([[h.REQUEST,this.update,this],[x.END,this.__onLayoutEnd,this],[h.AGAIN,this.renderAgain,this],[a.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 at(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 ot(t,e){t.__.__font?at(t,e):t.__.windingRule?e.fill(t.__.windingRule):e.fill()}function rt(t,e,i){switch(e.__.strokeAlign){case"center":lt(t,1,e,i);break;case"inside":ct(t,"inside",e,i);break;case"outside":e.__.__fillAfterStroke?lt(t,2,e,i):ct(t,"outside",e,i)}}function lt(t,e,i,s){const n=i.__;"object"==typeof t?ht(t,e,!0,i,s):(s.setStroke(t,n.__strokeWidth*e,n),dt(i,s))}function ct(t,e,i,s){const n=s.getSameCanvas(!0,!0);n.font=i.__.__font,lt(t,2,i,n),n.blendMode="outside"===e?"destination-out":"destination-in",at(i,n),n.blendMode="normal",g.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 ht(t,e,i,s,n){let a;const o=s.__,{__hasMultiStrokeStyle:r}=o;r||n.setStroke(void 0,o.__strokeWidth*e,o);for(let l=0,c=t.length;l<c;l++)if(a=t[l],(!a.image||!O.checkImage(s,n,a,!1))&&a.style){if(r){const{strokeStyle:t}=a;t?n.setStroke(a.style,o.__getRealStrokeWidth(t)*e,o,t):n.setStroke(a.style,o.__strokeWidth*e,o)}else n.strokeStyle=a.style;a.blendMode?(n.saveBlendMode(a.blendMode),i?dt(s,n):n.stroke(),n.restoreBlendMode()):i?dt(s,n):n.stroke()}}function ut(t,e,i){const s=e.__;if(s.__strokeWidth)if(s.__font)rt(t,e,i);else switch(s.strokeAlign){case"center":ft(t,1,e,i);break;case"inside":!function(t,e,i){i.save(),i.clipUI(e),ft(t,2,e,i),i.restore()}(t,e,i);break;case"outside":!function(t,e,i){const s=e.__;if(s.__fillAfterStroke)ft(t,2,e,i);else{const{renderBounds:n}=e.__layout,a=i.getSameCanvas(!0,!0);e.__drawRenderPath(a),ft(t,2,e,a),a.clipUI(s),a.clearWorld(n),g.copyCanvasByWorld(e,i,a),a.recycle(e.__nowWorld)}}(t,e,i)}}function ft(t,e,i,s){const n=i.__;"object"==typeof t?ht(t,e,!1,i,s):(s.setStroke(t,n.__strokeWidth*e,n),s.stroke()),n.__useArrow&&P.strokeArrow(t,i,s)}nt.clipSpread=10,Object.assign(r,{watcher:(t,e)=>new q(t,e),layouter:(t,e)=>new it(t,e),renderer:(t,e,i)=>new nt(t,e,i),selector:(t,e)=>{},interaction:(t,e,i,s)=>{}}),e.layout=it.fullLayout;const{getSpread:pt,getOuterOf:gt,getByMove:_t,getIntersectData:wt}=k;let yt;const{stintSet:mt}=s,{hasTransparent:vt}=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=O.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:o,opacity:r}=e;s={type:a,style:D.string(o,r)};break;default:void 0!==e.r&&(s={type:"solid",style:D.string(e)})}if(s){if("string"==typeof s.style&&vt(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 bt={compute:function(t,e){const i=e.__,s=[];let n,a,o,r=i.__input[t];r instanceof Array||(r=[r]),yt=O.recycleImage(t,i);for(let i,n=0,a=r.length;n<a;n++)(i=xt(t,r[n],e))&&(s.push(i),i.strokeStyle&&(o||(o=1),i.strokeStyle.strokeWidth&&(o=Math.max(o,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?(mt(i,"__isAlphaPixelFill",n),mt(i,"__isTransparentFill",a)):(mt(i,"__isAlphaPixelStroke",n),mt(i,"__isTransparentStroke",a),mt(i,"__hasMultiStrokeStyle",o))},fill:function(t,e,i){i.fillStyle=t,ot(e,i)},fills:function(t,e,i){let s;for(let 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