1 line
2.5 KiB
JavaScript
1 line
2.5 KiB
JavaScript
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import{__awaiter,__decorate}from"tslib";import props from"./props";import useQRCode from"../../hooks/useQRCode";import{SuperComponent,wxComponent}from"../../../common/src/index";import{DEFAULT_MINVERSION,excavateModules}from"../../../common/shared/qrcode/utils";let QRCode=class extends SuperComponent{constructor(){super(...arguments),this.properties=props,this.lifetimes={ready(){this.checkDefaultValue(),this.initCanvas()}},this.observers={"**":function(){this.checkDefaultValue(),this.initCanvas()}},this.methods={initCanvas(){return __awaiter(this,void 0,void 0,function*(){wx.createSelectorQuery().in(this).select("#qrcodeCanvas").fields({node:!0,size:!0}).exec(e=>__awaiter(this,void 0,void 0,function*(){var t;if(!(null===(t=e[0])||void 0===t?void 0:t.node))return;const i=e[0].node,o=i.getContext("2d");yield this.drawQrcode(i,o)}))})},drawQrcode(e,t){var i;return __awaiter(this,void 0,void 0,function*(){if(!t)return;const{value:o,icon:r,size:a,iconSize:l,level:n,bgColor:s,color:c,includeMargin:d,marginSize:h}=this.properties,u=this.getSizeProp(l);try{const l=useQRCode({value:o,level:n,minVersion:DEFAULT_MINVERSION,includeMargin:d,marginSize:h,size:a,imageSettings:r?{src:r,width:u.width,height:u.height,excavate:!0}:void 0}),g=wx.getWindowInfo().pixelRatio||1;e.width=a*g,e.height=a*g;const m=a*g/l.numCells;t.scale(m,m),t.fillStyle=s,t.fillRect(0,0,l.numCells,l.numCells);let v=l.cells;if(r&&(null===(i=l.calculatedImageSettings)||void 0===i?void 0:i.excavation)&&(v=excavateModules(l.cells,l.calculatedImageSettings.excavation)),t.fillStyle=c,v.forEach((e,i)=>{e.forEach((e,o)=>{e&&t.fillRect(o+l.margin,i+l.margin,1.05,1.05)})}),r&&l.calculatedImageSettings){const i=e.createImage();yield new Promise((e,t)=>{i.onload=e,i.onerror=t,i.src=this.properties.icon}),t.drawImage(i,l.calculatedImageSettings.x+l.margin,l.calculatedImageSettings.y+l.margin,l.calculatedImageSettings.w,l.calculatedImageSettings.h)}this.triggerEvent("drawCompleted")}catch(e){this.triggerEvent("drawError",{error:e})}})},getSizeProp:e=>e?"number"==typeof e?{width:e,height:e}:{width:e.width,height:e.height}:{width:0,height:0},checkDefaultValue(){const e={bgColor:"",color:""};let t=!1;const{bgColor:i,color:o}=this.properties,{bgColor:r,color:a}=props;""===i&&r.value&&(e.bgColor=r.value,t=!0),""===o&&a.value&&(e.color=a.value,t=!0),t&&this.setData(e)},getCanvasNode(){return new Promise(e=>{wx.createSelectorQuery().in(this).select("#qrcodeCanvas").fields({node:!0,size:!0}).exec(t=>{var i;e(null===(i=t[0])||void 0===i?void 0:i.node)})})}}}};QRCode=__decorate([wxComponent()],QRCode);export default QRCode;
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