@xysfe/actui/es/Signature/index.js

A fantastic mobile ui lib implement by Vue

!function(t,e){"object"==typeof exports&&"object"==typeof module?module.exports=e(require("@xysfe/actui/es/assets/utils/create/index.js")):"function"==typeof define&&define.amd?define(["@xysfe/actui/es/assets/utils/create/index.js"],e):"object"==typeof exports?exports.Signature=e(require("@xysfe/actui/es/assets/utils/create/index.js")):t.Signature=e(t["@xysfe/actui/es/assets/utils/create/index.js"])}("undefined"!=typeof self?self:this,function(t){return function(t){function e(i){if(n[i])return n[i].exports;var r=n[i]={i:i,l:!1,exports:{}};return t[i].call(r.exports,r,r.exports,e),r.l=!0,r.exports}var n={};return e.m=t,e.c=n,e.d=function(t,n,i){e.o(t,n)||Object.defineProperty(t,n,{configurable:!1,enumerable:!0,get:i})},e.n=function(t){var n=t&&t.__esModule?function(){return t.default}:function(){return t};return e.d(n,"a",n),n},e.o=function(t,e){return Object.prototype.hasOwnProperty.call(t,e)},e.p="../es",e(e.s=1769)}({0:function(t,e){var n=t.exports="undefined"!=typeof window&&window.Math==Math?window:"undefined"!=typeof self&&self.Math==Math?self:Function("return this")();"number"==typeof __g&&(__g=n)},1:function(t,e,n){var i=n(31)("wks"),r=n(24),o=n(0).Symbol,s="function"==typeof o;(t.exports=function(t){return i[t]||(i[t]=s&&o[t]||(s?o:r)("Symbol."+t))}).store=i},10:function(t,e,n){var i=n(4),r=n(41),o=n(38),s=Object.defineProperty;e.f=n(3)?Object.defineProperty:function(t,e,n){if(i(t),e=o(e,!0),i(n),r)try{return s(t,e,n)}catch(t){}if("get"in n||"set"in n)throw TypeError("Accessors not supported!");return"value"in n&&(t[e]=n.value),t}},100:function(t,e,n){"use strict";var i=n(9),r=n(2),o=n(0),s=n(64),a=n(67);i(i.P+i.R,"Promise",{finally:function(t){var e=s(this,r.Promise||o.Promise),n="function"==typeof t;return this.then(n?function(n){return a(e,t()).then(function(){return n})}:t,n?function(n){return a(e,t()).then(function(){throw n})}:t)}})},101:function(t,e,n){"use strict";var i=n(9),r=n(44),o=n(66);i(i.S,"Promise",{try:function(t){var e=r.f(this),n=o(t);return(n.e?e.reject:e.resolve)(n.v),e.promise}})},11:function(t,e){t.exports={}},1155:function(t,e,n){"use strict";var i=n(71),r=n.n(i),o=n(130),s=n.n(o),a=[{minHeight:750,fontSize:20},{minHeight:720,fontSize:19.2},{minHeight:640,fontSize:17.06666666666667},{minHeight:540,fontSize:14.4},{minHeight:480,fontSize:12.8},{minHeight:414,fontSize:11.04},{minHeight:384,fontSize:10.24},{minHeight:375,fontSize:10},{minHeight:360,fontSize:9.6},{minHeight:320,fontSize:8.533333333333333}],c=[{minWidth:750,fontSize:20},{minWidth:720,fontSize:19.2},{minWidth:640,fontSize:17.06666666666667},{minWidth:540,fontSize:14.4},{minWidth:480,fontSize:12.8},{minWidth:414,fontSize:11.04},{minWidth:384,fontSize:10.24},{minWidth:375,fontSize:10},{minWidth:360,fontSize:9.6},{minWidth:320,fontSize:8.533333333333333}];e.a={name:"ActSignature",props:{color:{type:String,default:"#8c7fee"},backBtnColor:{type:String,default:"#ffffff"},clearBtnColor:{type:String,default:"#ffffff"},clearBtnText:{type:String,default:"重置"},backBtnText:{type:String,default:"返回"},saveBtnText:{type:String,default:"保存"},headerText:{type:String,default:"请完成您的亲笔签名"},isWatermark:{type:Boolean,default:!1},watermarkText:{type:String,default:""},watermarkTextColor:{type:String,default:"#DEE1ED"},isHorizontalScreen:{type:Boolean,default:!1},isFullScreen:{type:Boolean,default:!1},bgColor:{type:String,default:"#f9f9f9"},canvasBgColor:{type:String,default:"#ffffff"},title:{type:String,default:"请完成签名"},lineWidth:{type:Number,default:3},lineColor:{type:String,default:"#000000"},identity:{type:String,default:"申请人"},signatureTip:{type:String,default:"请正楷签署您的姓名,避免错别字或过于潦草导致无法律效力"},visible:{type:Boolean,default:!1},scene:{type:String,default:"dialog"},previewInfo:{type:Object,default:null},imgBgColor:{type:String,default:""}},data:function(){return{isVisible:!1,showErrtips:!1,isCrop:!1,hasDrew:!1,width:0,height:0,resultImg:"",points:{x:[],y:[]},canvasTxt:null,startX:0,startY:0,isDrawing:!1,sratio:1,portraitHeight:0,portraitWidth:0,isPortrait:!0,signatureCanvasRect:{},paths:[],originFontSize:"",originIsPortrait:!0}},computed:{ratio:function(){return this.height/this.width},stageInfo:function(){return this.$refs.signatureCanvas.getBoundingClientRect()},myBg:function(){return this.canvasBgColor?this.canvasBgColor:"rgba(255, 255, 255, 0)"},signIdentityText:function(){return""+this.identity+this.watermarkText+"亲笔签名"},isHorizontalClass:function(){return{"act-signature-horizontal-box":!0,rotate:this.isPortrait,portrait:this.isPortrait,landscape:!this.isPortrait,"safe-area":!this.isPortrait}}},watch:{myBg:function(t){},isVisible:function(t){t&&(this.$emit("show"),this.isHorizontalScreen&&(this.getOriginFontSizeAndPortrait(),this.setRootFontSize()),this.previewInfo?this.isWatermark&&this.initWatermarkCanvas():(this.initSignatureCanvas(),this.isWatermark&&this.initWatermarkCanvas()))}},mounted:function(){var t=this;if(document.onmouseup=function(){t.isDrawing=!1},this.isHorizontalScreen){var e=this;this.directionDetect(),this.getOriginFontSizeAndPortrait(),this.calculateViewportUnits(),window.addEventListener("resize",e.initResize)}},beforeDestroy:function(){this.isHorizontalScreen&&(window.removeEventListener("resize",this.initResize),this.clearRootFontSize())},methods:{initResize:function(){var t=this;this.directionDetect(),setTimeout(function(){t.calculateViewportUnits(),t.isVisible&&(t.setRootFontSize(),t.previewInfo?t.isWatermark&&t.initWatermarkCanvas():t.$nextTick(function(){t.initSignatureCanvas(),t.isWatermark&&t.initWatermarkCanvas()}))},300)},calculateViewportUnits:function(){var t=this;this.$nextTick(function(){var e=document.documentElement.clientHeight||document.body.clientHeight,n=document.documentElement.clientWidth||document.body.clientWidth;if(t.isPortrait?(t.$refs.signatureHorizontalWrap.style.height=n+"px",t.$refs.signatureHorizontalWrap.style.width=e+"px"):(t.$refs.signatureHorizontalWrap.style.height=e+"px",t.$refs.signatureHorizontalWrap.style.width=n+"px"),t.isHorizontalScreen&&!t.isPortrait){t.portraitHeight&&t.portraitWidth&&(t.$refs.signatureContent.style.height=t.portraitHeight+"px",t.$refs.signatureContent.style.width=t.portraitWidth+"px");var i=t.$refs.signatureHorizontalWrap;i.scrollTop=i.scrollHeight}})},directionDetect:function(){var t=window.matchMedia("(orientation: portrait)").matches;this.isPortrait=t},setRootFontSize:function(){var t=this,e=window.document.documentElement||document.getElementsByTagName("html")[0],n=this.isPortrait?c:a,i=document.documentElement.clientHeight||document.body.clientHeight,r=document.documentElement.clientWidth||document.body.clientWidth,o=n.find(function(e){return t.isPortrait?r>=e.minWidth:i>=e.minHeight}),s=o?o.fontSize:"10";e.style.fontSize=s+"px"},getFontBold:function(t){return t>this.identity.length-1&&this.watermarkText.length+this.identity.length>t},initSignatureCanvas:function(){var t=this;setTimeout(function(){var e=t.$refs.signatureCanvas;if(e&&(t.signatureCtx=e.getContext("2d"),t.height=t.$refs.box.offsetHeight,t.width=t.$refs.box.offsetWidth,e.height=t.height,e.width=t.width,t.isWatermark||(e.style.background=t.myBg),t._signatureResize(),t.isHorizontalScreen&&t.isPortrait&&!t.portraitHeight&&!t.portraitWidth)){var n=t.$refs.signatureContent;t.portraitWidth=n.offsetWidth,t.portraitHeight=n.offsetHeight}})},initWatermarkCanvas:function(){var t=this;setTimeout(function(){var e=t.$refs.watermarkCanvas;e&&(t.watermarkCtx=e.getContext("2d"),e.height=t.$refs.box.offsetHeight,t.height||(t.height=t.$refs.box.offsetHeight),e.width=t.$refs.box.offsetWidth,t.width||(t.width=t.$refs.box.offsetWidth),e.style.background=t.myBg,t._watermarResize(),t.drawWatermark(t.watermarkCtx))})},isChineseOrEnglish:function(t){var e=/^[\u4e00-\u9fa5]+$/,n=120,i=3;return i=this.isHorizontalScreen?e.test(t)?4:10:3,t.length>4&&t.length-i>0&&(n=120-10*(t.length-i)),n},drawWatermark:function(t){var e=this;t.fillStyle=this.watermarkTextColor,t.textAlign="center",t.textBaseline="middle";var n=this.watermarkText,i=this.isChineseOrEnglish(n);t.font=i+"px serif",t.clearRect(0,0,this.width,this.height);var r=n.split(""),o=i,s=r.length*o,a=(this.height-s+o)/2;if(this.isHorizontalScreen){var c=this.width/2,u=this.height/2;t.translate(c,u),t.fillText(n,0,0)}else r.forEach(function(n,i){var r=e.width/2,s=a+i*o;t.fillText(n,r,s)})},show:function(){this.isVisible=!0},hide:function(){this.reset(),this.isHorizontalScreen&&this.clearRootFontSize(),this.isVisible=!1},getOriginFontSizeAndPortrait:function(){var t=window.document.documentElement||document.getElementsByTagName("html")[0];this.originFontSize=t.style.fontSize,this.originIsPortrait=this.isPortrait},clearRootFontSize:function(){if((window.document.documentElement||document.getElementsByTagName("html")[0]).style.fontSize=this.originFontSize||"",this.originFontSize&&this.originIsPortrait!==this.isPortrait){var t=new Event("resize");window.dispatchEvent(t),console.log("签名组件关闭触发resize了")}},_watermarResize:function(){var t=this.$refs.watermarkCanvas;t.style.width=this.width+"px";var e=parseFloat(window.getComputedStyle(t).width);t.style.height=this.ratio*e+"px",this.watermarkCtx=t.getContext("2d"),this.watermarkCtx.scale(1*this.sratio,1*this.sratio),this.sratio=e/this.width,this.watermarkCtx.scale(1/this.sratio,1/this.sratio)},_signatureResize:function(){var t=this.$refs.signatureCanvas;t.style.width=this.width+"px";var e=parseFloat(window.getComputedStyle(t).width);t.style.height=this.ratio*e+"px",this.signatureCtx=t.getContext("2d"),this.signatureCtx.scale(1*this.sratio,1*this.sratio),this.sratio=e/this.width,this.signatureCtx.scale(1/this.sratio,1/this.sratio),this.recordDraw()},recordDraw:function(){var t=this;this.$nextTick(function(){if(t.isHorizontalScreen&&t.paths.length){var e=t.signatureCtx,n=t.lineColor,i=t.lineWidth,r=t.sratio,o=t.paths[0].x,a=t.paths[0].y;t.$nextTick(function(){e.clearRect(0,0,t.canvasWidth,t.canvasHeight),e.beginPath(),e.strokeStyle=n,e.lineWidth=i*r,e.lineCap="round",e.lineJoin="round",e.moveTo(o,a);for(var c=t.paths,u=Array.isArray(c),f=0,c=u?c:s()(c);;){var h;if(u){if(f>=c.length)break;h=c[f++]}else{if(f=c.next(),f.done)break;h=f.value}var l=h;l.start&&e.moveTo(l.x,l.y),e.lineTo(l.x,l.y)}e.stroke(),e.closePath()})}})},mouseDown:function(t){t=t||event,t.preventDefault(),this.isDrawing=!0,this.hasDrew=!0;var e={x:t.offsetX,y:t.offsetY};this.drawStart(e)},mouseMove:function(t){if(t=t||event,t.preventDefault(),this.isDrawing){var e={x:t.offsetX,y:t.offsetY};this.drawMove(e)}},mouseUp:function(t){t=t||event,t.preventDefault();var e={x:t.offsetX,y:t.offsetY};this.drawEnd(e),this.isDrawing=!1},getAdjustedCoordinates:function(t){var e=this.$refs.signatureCanvas.height,n=this.signatureCanvasRect,i=t.targetTouches[0]||{},r=i.clientX-n.left,o=i.clientY-n.top,s=0,a=0;if(this.isHorizontalScreen&&this.isPortrait){var c=o,u=e-r;s=c,a=u}else s=r,a=o;return{x:s,y:a}},touchStart:function(t){if(t=t||event,t.preventDefault(),this.hasDrew=!0,this.signatureCanvasRect=this.$refs.signatureCanvas.getBoundingClientRect(),1===t.touches.length){var e=this.getAdjustedCoordinates(t);this.drawStart(e)}},touchMove:function(t){if(t=t||event,t.preventDefault(),1===t.touches.length){var e=this.getAdjustedCoordinates(t);this.drawMove(e)}},touchEnd:function(t){if(t=t||event,t.preventDefault(),1===t.touches.length){var e=this.getAdjustedCoordinates(t);this.drawEnd(e)}},drawStart:function(t){this.startX=t.x,this.startY=t.y,this.signatureCtx.beginPath(),this.signatureCtx.moveTo(this.startX,this.startY),this.signatureCtx.lineTo(t.x,t.y),this.signatureCtx.lineCap="round",this.signatureCtx.lineJoin="round",this.signatureCtx.lineWidth=this.lineWidth*this.sratio,this.signatureCtx.stroke(),this.signatureCtx.closePath(),this.points.x.push(t.x),this.points.y.push(t.y),t.start=!0,this.paths.push(t)},drawMove:function(t){this.signatureCtx.beginPath(),this.signatureCtx.moveTo(this.startX,this.startY),this.signatureCtx.lineTo(t.x,t.y),this.signatureCtx.strokeStyle=this.lineColor,this.signatureCtx.lineWidth=this.lineWidth*this.sratio,this.signatureCtx.lineCap="round",this.signatureCtx.lineJoin="round",this.signatureCtx.stroke(),this.signatureCtx.closePath(),this.startY=t.y,this.startX=t.x,this.points.x.push(t.x),this.points.y.push(t.y),this.paths.push(t)},drawEnd:function(t){this.signatureCtx.beginPath(),this.signatureCtx.moveTo(this.startX,this.startY),this.signatureCtx.lineTo(t.x,t.y),this.signatureCtx.lineCap="round",this.signatureCtx.lineJoin="round",this.signatureCtx.stroke(),this.signatureCtx.closePath(),this.points.x.push(t.x),this.points.y.push(t.y),this.points.x.push(-1),this.points.y.push(-1),this.paths.push(t)},generate:function(){var t=this;return new r.a(function(e,n){var i=t.getMax(t.points.x,t.points.y);if(!t.hasDrew)return void n("Warning: Not Signned!");if(t.points.x.length<40||Math.abs(i.left-i.right)<40||Math.abs(i.top-i.bottom)<40)return void n("Warning: Not Signned!");var r=t.signatureCtx.getImageData(0,0,t.$refs.signatureCanvas.width,t.$refs.signatureCanvas.height);t.signatureCtx.globalCompositeOperation="destination-over",t.signatureCtx.fillStyle=t.imgBgColor||t.myBg,t.signatureCtx.fillRect(0,0,t.$refs.signatureCanvas.width,t.$refs.signatureCanvas.height),t.resultImg=t.$refs.signatureCanvas.toDataURL();var o=t.resultImg;if(t.signatureCtx.clearRect(0,0,t.$refs.signatureCanvas.width,t.$refs.signatureCanvas.height),t.signatureCtx.putImageData(r,0,0),t.signatureCtx.globalCompositeOperation="source-over",t.isCrop){var s,a=t.getCropArea(r.data),c=document.createElement("canvas"),u=c.getContext("2d");c.width=a[2]-a[0],c.height=a[3]-a[1];var f=(s=t.signatureCtx).getImageData.apply(s,a);u.globalCompositeOperation="destination-over",u.putImageData(f,0,0),u.fillStyle=t.imgBgColor||t.myBg,u.fillRect(0,0,c.width,c.height),o=c.toDataURL(),c=null}e(o)})},reset:function(){this.signatureCtx&&this.signatureCtx.clearRect(0,0,this.$refs.signatureCanvas.width,this.$refs.signatureCanvas.height),this.$emit("update:bgColor",""),this.points={x:[],y:[]},this.hasDrew=!1,this.resultImg="",this.paths=[]},goBack:function(){"dialog"===this.scene?this.hide():window.history.back()},getCropArea:function(t){for(var e=this.$refs.signatureCanvas.width,n=0,i=this.$refs.signatureCanvas.height,r=0,o=0;o<this.$refs.signatureCanvas.width;o++)for(var s=0;s<this.$refs.signatureCanvas.height;s++){var a=4*(o+this.$refs.signatureCanvas.width*s);(t[a]>0||t[a+1]>0||t[a+2]||t[a+3]>0)&&(r=Math.max(s,r),n=Math.max(o,n),i=Math.min(s,i),e=Math.min(o,e))}return e++,n++,i++,r++,[e,i,n,r]},getMax:function(t,e){var n={left:0,right:0,top:0,bottom:0};return"[object Array]"!=={}.toString.call(t)||"[object Array]"!=={}.toString.call(e)?n:(n.left=Math.min.apply(null,t),n.right=Math.max.apply(null,t),n.top=Math.min.apply(null,e),n.bottom=Math.max.apply(null,e),n)},save:function(){var t=this;this.hasDrew&&this.generate().then(function(e){t.$emit("complete",e),"dialog"===t.scene?t.hide():t.reset()}).catch(function(e){console.log(e),t.showErrtips=!0,setTimeout(function(){t.showErrtips=!1},2e3)})},previewSave:function(){this.previewInfo&&this.previewInfo.signImg&&(this.$emit("complete",this.previewInfo.signImg),"dialog"===this.scene?this.hide():this.reset())}}}},12:function(t,e){t.exports=function(t){try{return!!t()}catch(t){return!0}}},13:function(t,e,n){var i=n(34),r=n(15);t.exports=function(t){return i(r(t))}},130:function(t,e,n){t.exports={default:n(144),__esModule:!0}},14:function(t,e){var n={}.toString;t.exports=function(t){return n.call(t).slice(8,-1)}},144:function(t,e,n){n(50),n(48),t.exports=n(145)},145:function(t,e,n){var 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r=n(1155),o=n(1772),s=n(7),a=!1,c=i,u=Object(s.a)(r.a,o.a,o.b,!1,c,"data-v-31195bd6",null);u.options.__file="src\\components\\Signature\\src\\index.vue",e.a=u.exports},1771:function(t,e){},1772:function(t,e,n){"use strict";n.d(e,"a",function(){return i}),n.d(e,"b",function(){return r});var i=function(){var t=this,e=t.$createElement,n=t._self._c||e;return n("transition",{attrs:{name:"act-gold-popup-move"}},[n("div",{directives:[{name:"show",rawName:"v-show",value:t.isVisible,expression:"isVisible"}],staticClass:"act-signature-wrap",class:t.isHorizontalScreen?"act-signature-horizontal-wrap-bg":"",attrs:{id:"act-signature"}},[t.isHorizontalScreen?n("div",{ref:"signatureHorizontalWrap",class:t.isHorizontalClass,style:"background-color: "+t.bgColor+";"},[t.previewInfo?[n("div",{staticClass:"preview"},[n("div",{staticClass:"preview-content"},[t.previewInfo.signImg?n("div",{staticClass:"preview-signImg"},[n("img",{attrs:{src:t.previewInfo.signImg,alt:""}})]):n("div",{ref:"box",staticClass:"preview-panel"},[n("canvas",{ref:"watermarkCanvas",staticClass:"preview-canvas"})])]),t._v(" "),n("div",{staticClass:"preview-bottom"},[n("div",{staticClass:"preview-info"},[n("div",{staticClass:"preview-title"},t._l(t.signIdentityText,function(e,i){return n("span",{key:e+"_"+i,style:t.getFontBold(i)?"font-weight: bold;color:#333":""},[t._v("\n                  "+t._s(e)+"\n                ")])}),0),t._v(" "),t.signatureTip?n("div",{staticClass:"preview-tip"},[n("span",[t._v(t._s(t.signatureTip))])]):t._e()]),t._v(" "),n("div",{staticClass:"preview-ctrl"},[n("div",{staticClass:"backBtn",style:"background: "+t.backBtnColor,attrs:{type:"button"},on:{click:t.goBack}},[n("span",{staticClass:"backBtnText"},[t._v("\n                  "+t._s(t.backBtnText)+"\n                ")])]),t._v(" "),n("div",{staticClass:"saveBtn",style:{background:t.color,opacity:t.previewInfo.signImg?1:.5},attrs:{type:"button"},on:{click:t.previewSave}},[n("span",{staticClass:"saveBtnText"},[t._v("\n                  "+t._s(t.saveBtnText)+"\n                ")])])])])])]:[n("div",{ref:"signatureContent",staticClass:"act-signature-content"},[n("div",{staticClass:"content-top"},[n("div",{ref:"box",staticClass:"canvasBox"},[n("div",{directives:[{name:"show",rawName:"v-show",value:t.hasDrew,expression:"hasDrew"}],staticClass:"clearBtn",attrs:{type:"button"},on:{click:t.reset}},[n("span",{staticClass:"clearBtnText"},[t._v("\n                  "+t._s(t.clearBtnText)+"\n                ")])]),t._v(" "),n("canvas",{ref:"watermarkCanvas",staticClass:"canvas-ins"}),t._v(" 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