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[leaflet] better canvas-based path redrawing

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This commit is contained in:
McBen
2016-12-31 07:44:09 +01:00
parent a8366e863d
commit 611aeb1759
1 changed files with 31 additions and 5 deletions
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34
external/leaflet-src.js vendored
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@ -5043,10 +5043,35 @@ L.Path = (L.Path.SVG && !window.L_PREFER_CANVAS) || !L.Browser.canvas ? L.Path :
return this; return this;
}, },
onAdd: function (map) {
this._map = map;
if (!this._container) {
this._initElements();
this._initEvents();
}
this.projectLatlngs();
this._updatePath();
if (this._container) {
this._map._pathRoot.appendChild(this._container);
}
this.fire('add');
map.on({
'viewreset': this.projectLatlngs,
'moveend': this._updatePath,
'canvasredraw': this._updatePath
}, this);
},
onRemove: function (map) { onRemove: function (map) {
map map
.off('viewreset', this.projectLatlngs, this) .off('viewreset', this.projectLatlngs, this)
.off('moveend', this._updatePath, this); .off('moveend', this._updatePath, this)
.off('canvasredraw', this._updatePath, this);
if (this.options.clickable) { if (this.options.clickable) {
this._map.off('click', this._onClick, this); this._map.off('click', this._onClick, this);
@ -5061,13 +5086,13 @@ L.Path = (L.Path.SVG && !window.L_PREFER_CANVAS) || !L.Browser.canvas ? L.Path :
_requestUpdate: function () { _requestUpdate: function () {
if (this._map && !L.Path._updateRequest) { if (this._map && !L.Path._updateRequest) {
L.Path._updateRequest = L.Util.requestAnimFrame(this._fireMapMoveEnd, this._map); L.Path._updateRequest = L.Util.requestAnimFrame(this._fireCanvasRedraw, this._map);
} }
}, },
_fireMapMoveEnd: function () { _fireCanvasRedraw: function () {
L.Path._updateRequest = null; L.Path._updateRequest = null;
this.fire('moveend'); this.fire('canvasredraw');
}, },
_initElements: function () { _initElements: function () {
@ -5193,6 +5218,7 @@ L.Map.include((L.Path.SVG && !window.L_PREFER_CANVAS) || !L.Browser.canvas ? {}
this.on('zoomend', this._endPathZoom); this.on('zoomend', this._endPathZoom);
} }
this.on('moveend', this._updateCanvasViewport); this.on('moveend', this._updateCanvasViewport);
this.on('canvasredraw', this._updateCanvasViewport);
this._updateCanvasViewport(); this._updateCanvasViewport();
} }
}, },