Merge pull request Leaflet#3950 from klaftertief/fix-canvas-zoom_spli…

…t-events

Alternative fix for Leaflet#3947

src/layer/vector/Renderer.js

@@ -36,7 +36,6 @@ L.Renderer = L.Layer.extend({
 	getEvents: function () {
 		var events = {
 			viewreset: this._reset,
-			zoomstart: this._onZoomStart,
 			zoom: this._onZoom,
 			moveend: this._update
 		};
@@ -54,13 +53,6 @@ L.Renderer = L.Layer.extend({
 		this._updateTransform(this._map.getCenter(), this._map.getZoom());
 	},
 
-	_onZoomStart: function () {
-		// Drag-then-pinch interactions might mess up the center and zoom.
-		// In this case, the easiest way to prevent this is re-do the renderer
-		//   bounds and padding when the zooming starts.
-		this._update();
-	},
-
 	_updateTransform: function (center, zoom) {
 		var scale = this._map.getZoomScale(zoom, this._zoom),
 		    position = L.DomUtil.getPosition(this._container),

src/layer/vector/SVG.js

@@ -4,6 +4,12 @@
 
 L.SVG = L.Renderer.extend({
 
+	getEvents: function () {
+		var events = L.Renderer.prototype.getEvents.call(this);
+		events.zoomstart = this._onZoomStart;
+		return events;
+	},
+
 	_initContainer: function () {
 		this._container = L.SVG.create('svg');
 
@@ -14,6 +20,13 @@ L.SVG = L.Renderer.extend({
 		this._container.appendChild(this._rootGroup);
 	},
 
+	_onZoomStart: function () {
+		// Drag-then-pinch interactions might mess up the center and zoom.
+		// In this case, the easiest way to prevent this is re-do the renderer
+		//   bounds and padding when the zooming starts.
+		this._update();
+	},
+
 	_update: function () {
 		if (this._map._animatingZoom && this._bounds) { return; }