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c=t.get("context");c.lineWidth=u,c.beginPath(),c.moveTo(Number(e.toFixed(1)),Number(i.toFixed(1))),c.quadraticCurveTo(Number(a.toFixed(1)),Number(o.toFixed(1)),Number(r.toFixed(1)),Number(h.toFixed(1))),c.stroke(),c.draw&&c.draw(!0)},this.getRadianData=function(e,i,a,o){var r=a-e,h=o-i;if(r===0)return{val:0,pos:-1};if(h===0)return{val:0,pos:1};var u=Math.abs(Math.atan(h/r));return a>e&&i>o||e>a&&o>i?{val:u,pos:1}:{val:u,pos:-1}},this.getRadianPoints=function(e,i,a,o){if(e.val===0)return e.pos===1?[{x:i,y:a+o},{x:i,y:a-o}]:[{y:a,x:i+o},{y:a,x:i-o}];var r=Math.sin(e.val)*o,h=Math.cos(e.val)*o;return e.pos===1?[{x:i+r,y:a+h},{x:i-r,y:a-h}]:[{x:i+r,y:a-h},{x:i-r,y:a+h}]},this.drawSmoothLine=function(e,i){var a=i.x-e.x,o=i.y-e.y;if(Math.abs(a)+Math.abs(o)>2?(i.lastX1=e.x+.3*a,i.lastY1=e.y+.3*o,i.lastX2=e.x+.7*a,i.lastY2=e.y+.7*o):(i.lastX1=i.lastX2=e.x+.5*a,i.lastY1=i.lastY2=e.y+.5*o),i.perLineWidth=(e.lineWidth+i.lineWidth)/2,typeof e.lastX1=="number"){if(t.drawCurveLine(e.lastX2,e.lastY2,e.x,e.y,i.lastX1,i.lastY1,i.perLineWidth),e.isFirstPoint||e.lastX1===e.lastX2&&e.lastY1===e.lastY2)return;var r=t.getRadianData(e.lastX1,e.lastY1,e.lastX2,e.lastY2),h=t.getRadianPoints(r,e.lastX1,e.lastY1,e.perLineWidth/2),u=t.getRadianPoints(r,e.lastX2,e.lastY2,i.perLineWidth/2);t.drawTrapezoid(h[0],u[0],u[1],h[1])}else i.isFirstPoint=!0},this.addHistory=function(){var e=t.get("options").maxHistoryLength;if(e&&t.canAddHistory)if(t.canAddHistory=!1,t.get("createImage")){var i=null;i=t.get("createImage")();var a=t.get("toDataURL")&&t.get("toDataURL")();V(a)?i.src=a:a.then(function(o){i.src=o}),i.onload=function(){var o=x;x=i,t.historyList.push(o),t.historyList=t.historyList.slice(-e)}}else t.historyList.length++},this.drawByImage=function(e){var i=t.get("context"),a=t.get("width"),o=t.get("height");i.clearRect(0,0,a,o);try{e&&i.drawImage(e,0,0,a,o),i.draw&&i.draw(!0)}catch(r){t.historyList.length=0}},this.isEmpty=function(){return t.get("options").maxHistoryLength>0?t.historyList.length===0:t._isEmpty},this.clear=function(){if(!t.get("options").disabled){var e=t.get("context");e.clearRect(0,0,t.get("width"),t.get("height")),e.draw&&e.draw(),t._isEmpty=!0,x=null,t.historyList.length=0}},this.undo=function(){if(!t.get("options").disabled&&(t.get("options").maxHistoryLength===0&&t.clear(),t.get("createImage")&&t.historyList.length)){var e=t.historyList.pop();t.drawByImage(e),t.undoneList.push(x),x=e,t.historyList.length||t.undoneList.length||t.clear()}},this.redo=function(){if(t.undoneList.length&&!t.get("options").disabled){var e=t.undoneList.pop();t.historyList.push(x),t.drawByImage(e),x=e,t._isEmpty=!1}},this.canvas=n,this.canvas.set("pen",R),this.init()}return k(s,[{key:"getOption",value:function(){}},{key:"setOption",value:function(){var n=arguments.length>0&&arguments[0]!==void 0?arguments[0]:{},t=st({},n),e=t.maxLineWidth;if(e&&n.penSize&&e==R.maxLineWidth){var i=Math.max(e,n.penSize);t.maxLineWidth=i}this.canvas.set("pen",Object.assign({},R,t))}},{key:"get",value:function(n){return this.canvas.get(n=="options"?"pen":n)}},{key:"init",value:function(){var n=this;this.get("context").lineCap="round",this.canvas.on("touchstart",function(t){return n.onDrawStart(t)}),this.canvas.on("touchmove",function(t){return n.onDrawMove(t)}),this.canvas.on("touchend",function(t){return n.onDrawEnd(t)})}},{key:"drawBackground",value:function(){var n=this.get("context"),t=this.get("width"),e=this.get("height"),i=this.get("options"),a=i.backgroundColor,o=i.backgroundImage;a&&(n.fillStyle=a,n.fillRect(0,0,t,e),n.draw&&n.draw(!0)),o&&this.drawByImage(o)}},{key:"getImageData",value:function(n){if(n){var t=this.get("width"),e=this.get("height"),i=this.get("el"),a=i.nodeName==="CANVAS",o=a?t:i.width,r=a?e:i.height;if(a){var h=document.createElement("canvas");h.width=t,h.height=e;var u=h.getContext("2d");u.drawImage(i,0,0,t,e);var c=u.getImageData(0,0,t,e).data;return n(c)}var l,d=this.get("context").getImageData(0,0,o,r);return U(l=d)&&O(l.then)&&O(l.catch)?(d.then(function(v){return n(v.data)}),null):n(d.data)}}},{key:"getMaskedImageData",value:function(n){if(n)return this.getImageData(function(t){for(var e=0;t.length>e;e+=4)t[e+3]===0?(t[e]=0,t[e+1]=0,t[e+2]=0):(t[e]=255,t[e+1]=255,t[e+2]=255);return n(t)})}},{key:"getContentBoundingBox",value:function(n){var t=this.get("pixelRatio"),e=this.get("width"),i=this.get("height"),a=this.get("el"),o=a.nodeName==="CANVAS",r=o?e:a.width,h=o?i:a.height;return t=o?1:t,this.getImageData(function(u){for(var c=Math.floor(r),l=c,d=Math.floor(h),v=0,g=0,f=0;u.length>f;f+=4)if(u[f+3]>0){var m=f/4%c,E=Math.floor(f/4/c);l=Math.min(l,m),d=Math.min(d,E),v=Math.max(v,m),g=Math.max(g,E)}var _={width:(v-l+1)/t,height:(g-d+1)/t,startX:l/t,startY:d/t};return n&&n(_),_})}},{key:"remove",value:function(){var n=this;this.canvas.off("touchstart",function(t){return n.onDrawStart(t)}),this.canvas.off("touchmove",function(t){return n.onDrawMove(t)}),this.canvas.off("touchend",function(t){return n.onDrawEnd(t)})}},{key:"disableScroll",value:function(n){n.preventDefault&&this.get("options").disableScroll&&n.preventDefault()}},{key:"onDrawStart",value:function(n){if(!this.get("options").disabled){this.disableScroll(n),this.undoneList.length=0;var t=n.points;if(this.active){this.canAddHistory=!0,this.get("context").strokeStyle=this.get("options").penColor;var e=t[0];this.initPoint(e.x,e.y)}}}},{key:"onDrawMove",value:function(n){if(!this.get("options").disabled&&(this.disableScroll(n),this.active)){var t=n.points[0];this.initPoint(t.x,t.y),this.onDraw()}}},{key:"onDrawEnd",value:function(n){this.active&&!this.get("options").disabled&&(this.addHistory(),this.canAddHistory=!0,this.points=[])}},{key:"onDraw",value:function(){var n=this,t=this.get("context");if(this.points.length>=2){t.lineWidth=this.get("options").penSize||2;var e=this.points.slice(-1)[0],i=this.points.slice(-2,-1)[0],a=function(){n._isEmpty=!1,n.get("options").openSmooth?n.drawSmoothLine(i,e):n.drawNoSmoothLine(i,e)};a()}}},{key:"getMaxLineWidth",value:function(){var n=this.get("options");return Math.min(n.penSize,n.maxLineWidth)}},{key:"initPoint",value:function(n,t){var e={x:n,y:t,t:Date.now()},i=this.points.slice(-1)[0];if(!i||i.t!==e.t&&(i.x!==n||i.y!==t)){if(this.get("options").openSmooth&&i){var a=this.points.slice(-2,-1)[0];if(e.distance=Math.sqrt(Math.pow(e.x-i.x,2)+Math.pow(e.y-i.y,2)),e.speed=e.distance/(e.t-i.t||.1),e.lineWidth=this.getLineWidth(e.speed),a&&a.lineWidth&&i.lineWidth){var o=(e.lineWidth-i.lineWidth)/i.lineWidth,r=this.get("options").maxWidthDiffRate/100;r=r>1?1:.01>r?.01:r,Math.abs(o)>r&&(e.lineWidth=i.lineWidth*(1+(o>0?r:-r)))}}this.points.push(e),this.points=this.points.slice(-3)}}}]),s}(),J=function(){function s(n){b(this,s),this.canvas=void 0,this._ee=void 0,this.pen=void 0;var t=new vt(n);t.set("parent",this),this.canvas=t,this._ee=new W,this.pen=new dt(t),this.init()}return k(s,[{key:"init",value:function(){this.pen.active=!0}},{key:"destroy",value:function(){this.canvas.destroy()}},{key:"clear",value:function(){this.pen.clear()}},{key:"undo",value:function(){this.pen.undo()}},{key:"redo",value:function(){this.pen.redo()}},{key:"save",value:function(){}},{key:"getContentBoundingBox",value:function(n){return this.pen.getContentBoundingBox(n)}},{key:"getMaskedImageData",value:function(n){return this.pen.getMaskedImageData(n)}},{key:"isEmpty",value:function(){return this.pen.isEmpty()}},{key:"on",value:function(n,t){this._ee.on(n,t)}},{key:"emit",value:function(n,t){this._ee.emit(n,t)}},{key:"off",value:function(n,t){this._ee.off(n,t)}}]),s}();function K(s){if(s==="transparent")return!0;if(s.startsWith("rgba")){let n=/\d+(\.\d+)?/g,t=s.match(n);if(t!==null&&parseFloat(t[3])===0)return!0}return!1}var Q={data(){return{canvasid:null,signature:null,observer:null,options:{},saveCount:0}},mounted(){this.$nextTick(this.init)},methods:{init(){let s=this.$refs.limeSignature||this.$ownerInstance.$el;this.canvas=document.createElement("canvas"),this.canvas.style="width: 100%; height: 100%;",s.appendChild(this.canvas),this.signature=new J({el:this.canvas}),this.signature.pen.setOption(this.options);let n=this.signature.canvas.get("width"),t=this.signature.canvas.get("height");this.emit({changeSize:{width:n,height:t}})},redo(s){s&&this.signature&&this.signature.redo()},undo(s){s&&this.signature&&this.signature.undo()},clear(s){s&&this.signature&&this.signature.clear()},destroy(){this.canvas&&this.canvas.remove()},mask(s={}){if(this.signature){let{destWidth:n=0,destHeight:t=0}=JSON.parse(s),e=document.createElement("canvas"),i=e.getContext("2d"),a=this.signature.canvas.get("pixelRatio"),o=this.signature.canvas.get("width"),r=this.signature.canvas.get("height"),h=this.signature.canvas.get("context");e.width=o*a,e.height=r*a;let u=h.getImageData(0,0,o*a,r*a);for(let c=0;c<u.data.length;c+=4)u.data[c+3]===0?(u.data[c]=0,u.data[c+1]=0,u.data[c+2]=0):(u.data[c]=255,u.data[c+1]=255,u.data[c+2]=255);if(i.putImageData(u,0,0),n&&t){let c=document.createElement("canvas");c.width=n,c.height=t,c.getContext("2d").drawImage(e,0,0,n,t),e.remove(),e=c}this.emit({save:e.toDataURL()}),e.remove()}},save(s){let{fileType:n="png",quality:t=1,n:e,destWidth:i=0,destHeight:a=0}=JSON.parse(s),o=`image/${n}`.replace(/jpg/,"jpeg");if(e!==this.saveCount){this.saveCount=e;let{backgroundColor:r,backgroundImage:h,landscape:u,boundingBox:c}=this.options,l=u||r||c||i&&a,d=this.signature.canvas.get("el").toDataURL(!l&&o,!l&&t);if(l){let v=document.createElement("canvas"),g=this.signature.canvas.get("pixelRatio"),f=this.signature.canvas.get("width"),m=this.signature.canvas.get("height"),E=0,_=0,F=()=>{let y=[f,m];u&&y.reverse(),v.width=y[0]*g,v.height=y[1]*g;let N=[E,_,f,m,0,0,f,m].map(p=>p*g),w=v.getContext("2d");u&&(w.translate(0,f*g),w.rotate(-Math.PI/2)),r&&!K(r)&&(w.fillStyle=r,w.fillRect(0,0,f*g,m*g));let j=()=>{if(w.drawImage(this.signature.canvas.get("el"),...N),i&&a){let p=document.createElement("canvas");p.width=i,p.height=a,p.getContext("2d").drawImage(v,0,0,i,a),v.remove(),v=p}this.emit({save:v.toDataURL(o,t)}),v.remove()};if(h){let p=new Image;p.onload=()=>{w.drawImage(p,...N),j()},p.src=h}h||j()};if(c){let y=this.signature.getContentBoundingBox();f=y.width,m=y.height,E=y.startX,_=y.startY,F()}else F()}else this.emit({save:d})}},isEmpty(s){if(s&&this.signature){let n=this.signature.isEmpty();this.emit({isEmpty:n})}},emit(s){this.$ownerInstance.callMethod("onMessage",{detail:{data:[{event:s}]}})},update(s){s&&(this.signature?(this.options=s,this.signature.pen.setOption(s)):this.options=s)}}};var ft=Q;return at(gt);})();