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import {Map} from '../../map/Map';
import {Canvas, canvas} from './Canvas';
import {SVG, svg} from './SVG';
Map.include({
// @namespace Map; @method getRenderer(layer: Path): Renderer
// Returns the instance of `Renderer` that should be used to render the given
// `Path`. It will ensure that the `renderer` options of the map and paths
// are respected, and that the renderers do exist on the map.
getRenderer: function (layer) {
// @namespace Path; @option renderer: Renderer
// Use this specific instance of `Renderer` for this path. Takes
// precedence over the map's [default renderer](#map-renderer).
var renderer = layer.options.renderer || this._getPaneRenderer(layer.options.pane) || this.options.renderer || this._renderer;
if (!renderer) {
// @namespace Map; @option preferCanvas: Boolean = false
// Whether `Path`s should be rendered on a `Canvas` renderer.
// By default, all `Path`s are rendered in a `SVG` renderer.
renderer = this._renderer = (this.options.preferCanvas && canvas()) || svg();
}
if (!this.hasLayer(renderer)) {
this.addLayer(renderer);
}
return renderer;
},
_getPaneRenderer: function (name) {
if (name === 'overlayPane' || name === undefined) {
return false;
}
var renderer = this._paneRenderers[name];
if (renderer === undefined) {
renderer = (SVG && svg({pane: name})) || (Canvas && canvas({pane: name}));
this._paneRenderers[name] = renderer;
}
return renderer;
}
});
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