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- !function(t,i){"object"==typeof exports&&"undefined"!=typeof module?i(exports):"function"==typeof define&&define.amd?define(["exports"],i):i((t="undefined"!=typeof globalThis?globalThis:t||self).draw={})}(this,function(t){"use strict";function s(t,i,e,n,a){!function t(i,e,n,a,o){for(;n<a;){var r,s,h,m,c;600<a-n&&(r=a-n+1,s=e-n+1,m=Math.log(r),h=.5*Math.exp(2*m/3),c=.5*Math.sqrt(m*h*(r-h)/r)*(s-r/2<0?-1:1),m=Math.max(n,Math.floor(e-s*h/r+c)),c=Math.min(a,Math.floor(e+(r-s)*h/r+c)),t(i,e,m,c,o));var l=i[e],_=n,u=a;for(d(i,n,e),0<o(i[a],l)&&d(i,n,a);_<u;){for(d(i,_,u),_++,u--;o(i[_],l)<0;)_++;for(;0<o(i[u],l);)u--}0===o(i[n],l)?d(i,n,u):d(i,++u,a),u<=e&&(n=u+1),e<=u&&(a=u-1)}}(t,i,e||0,n||t.length-1,a||o)}function d(t,i,e){var n=t[i];t[i]=t[e],t[e]=n}function o(t,i){return t<i?-1:i<t?1:0}class r{constructor(t=9){this._maxEntries=Math.max(4,t),this._minEntries=Math.max(2,Math.ceil(.4*this._maxEntries)),this.clear()}all(){return this._all(this.data,[])}search(i){let e=this.data;const 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e._markers.remove(t,function(t,i){return t.data._bigemap_id_===i.data._bigemap_id_}),e._markers.total--,e._markers.dirty++,!0===a&&!0===i&&e._redraw(!0),this},removeLayers:function(t,e=!0){let n=t.length;return t.map((t,i)=>{i===n?this.removeLayer(t,e):this.removeLayer(t,!1)}),this},clearLayers:function(){this._markers=new r,this._markers.dirty=0,this._markers.total=0,this._containMarkers=new r,this._showMarkers=new r,this._showMarkerBounds=new r,this._redraw(!0)},onAdd:function(t){this._map=t,this.calcZoom=this._map.getZoom(),this._container||this._initCanvas(),(this.options.pane?this.getPane():t._panes.overlayPane).appendChild(this._container),this._update()},onRemove:function(t){(this.options.pane?this.getPane():t.getPanes().overlayPane).removeChild(this._container)},_drawMarker:function(t,i){var e=this;this._imageLookup||(this._imageLookup={});var n=t.options.icon.options,a=i.x-n.iconAnchor[0],o=a+n.iconSize[0],r=i.y-n.iconAnchor[1],n=r+n.iconSize[1];this._showMarkers.insert(Object.assign({},{minX:a,minY:r,maxX:o,maxY:n},{data:t}));var s=t.options.icon.options.iconUrl;t.canvas_img?e._drawImage(t,i):e._imageLookup[s]?(t.canvas_img=e._imageLookup[s][0],!1===e._imageLookup[s][1]?e._imageLookup[s][2].push([t,i]):e._drawImage(t,i)):((n=new Image).src=s,t.canvas_img=n,e._imageLookup[s]=[n,!1,[[t,i]]],n.onload=function(){e._imageLookup[s][1]=!0,e._imageLookup[s][2].forEach(function(t){e._drawImage(t[0],t[1])})})},_drawImage:function(t,i){var e=t.options.icon.options;this._ctx.drawImage(t.canvas_img,i.x-e.iconAnchor[0],i.y-e.iconAnchor[1],e.iconSize[0],e.iconSize[1])},_reset:function(){var t=this._map.containerPointToLayerPoint([0,0]);BM.DomUtil.setPosition(this._container,t);t=this._map.getSize();this._container.width=t.x,this._container.height=t.y,this._update()},_redraw:function(i){this._showMarkerBounds=new r,this._showMarkers=new r;var n=this;if(i&&this._ctx.clearRect(0,0,this._container.width,this._container.height),this._map&&this._markers&&!(this.options.minZoom&&this.options.minZoom>this._map.getZoom())){var e=[];.1<=n._markers.dirty/n._markers.total&&(n._markers.all().forEach(function(t){e.push(t)}),n._markers.clear(),n._markers.load(e),n._markers.dirty=0,e=[]);var a=n._map.getBounds(),i=this._myProject(a.getNorthWest()),a=this._myProject(a.getSouthEast()),a={minX:i.x,minY:i.y,maxX:a.x,maxY:a.y};let t=n._markers.search(a);return this._ctx.beginPath(),this._ctx.font=this.options.font||"12px Helvetica Neue",this._ctx.fillStyle=this.options.fillStyle||"#000",this._ctx.textAlign="center",t.forEach(function(t){var i=n._map.latLngToContainerPoint(t.data.getLatLng());n._drawMarker(t.data,i);let e=t.data.getTooltip();n.options.drawTooltip&&e&&(""!==(t=e.getContent())&&n._ctx.fillText(t,i.x,i.y+10))}),this._ctx.closePath(),this}},_initCanvas:function(){this._container=BM.DomUtil.create("canvas","bigemap-canvas-icon-layer bigemap-layer"),this.options.zIndex&&(this._container.style.zIndex=this.options.zIndex);var t=this._map.getSize();this._container.width=t.x,this._container.height=t.y,this._ctx=this._container.getContext("2d");t=this._map.options.zoomAnimation&&BM.Browser.any3d;BM.DomUtil.addClass(this._container,"bigemap-zoom-"+(t?"animated":"hide"))},addOnClickListener:function(t){this._onClickListeners.push(t)},addOnContextMenuListener:function(t){this._onContextMenuListeners.push(t)},addOnHoverListener:function(t){this._onHoverListeners.push(t)},_myProject(t){let i=this._map.project(t,this.calcZoom);return{x:parseFloat(i.x.toFixed(7)),y:parseFloat(i.y.toFixed(7))}},_executeListeners:function(i){var t,e,n;this._showMarkers&&(n=(t=this)._map.latLngToContainerPoint(i.latlng),t._openToolTip&&(t._openToolTip.closeTooltip(),delete t._openToolTip),(e=this._showMarkers.search({minX:n.x,minY:n.y,maxX:n.x,maxY:n.y}))&&0<e.length?(i.layer=e[0].data,t._map._container.style.cursor="pointer","click"===i.type&&((n=e[0].data.getPopup())&&(n.options.offset=[0,-e[0].data.options.icon.options.iconSize[1]],e[0].data.openPopup()),t._onClickListeners.forEach(function(t){t(i,e)})),"contextmenu"===i.type&&t._onContextMenuListeners.forEach(function(t){t(i,e)}),"mousemove"===i.type&&(this.options.drawTooltip||e[0].data.getTooltip()&&(t._openToolTip=e[0].data,e[0].data.openTooltip()),t._onHoverListeners.forEach(function(t){t(i,e)}))):t._map._container.style.cursor="")},_onAnimZoom(t){this._updateTransform(t.center,t.zoom)},_onZoom:function(){this._updateTransform(this._map.getCenter(),this._map.getZoom())},_updateTransform:function(t,i){var e=this._map.getZoomScale(i,this._zoom),n=BM.DomUtil.getPosition(this._container),a=this._map.getSize().multiplyBy(.5),o=this._map.project(this._center,i),o=this._map.project(t,i).subtract(o),o=a.multiplyBy(-e).add(n).add(a).subtract(o);BM.Browser.any3d?BM.DomUtil.setTransform(this._container,o,e):BM.DomUtil.setPosition(this._container,o)},_update:function(){var t=this._map.getSize(),i=this._map.containerPointToLayerPoint(t.multiplyBy(-0)).round();this._bounds=new BM.Bounds(i,i.add(t.multiplyBy(1)).round()),this._center=this._map.getCenter(),this._zoom=this._map.getZoom(),this._redraw(!0)}}),e=BM.canvasMarkerLayer=function(t){return new BM.CanvasMarkerLayer(t)};t.CanvasMarkerLayer=i,t.canvasMarkerLayer=e,Object.defineProperty(t,"__esModule",{value:!0})});
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