Implement forEachLayerAtPixel for webgl

2015-01-23 17:35:07 +01:00
parent 6cc5bd466d
commit dce4210a5b
4 changed files with 219 additions and 0 deletions
--- a/src/ol/renderer/webgl/webglvectorlayerrenderer.js
+++ b/src/ol/renderer/webgl/webglvectorlayerrenderer.js
@@ -162,6 +162,21 @@ ol.renderer.webgl.VectorLayer.prototype.hasFeatureAtPixel =
 };


+/**
+ * @inheritDoc
+ */
+ol.renderer.webgl.VectorLayer.prototype.forEachLayerAtPixel =
+    function(coordinate, frameState, callback, thisArg) {
+  var hasFeature = this.hasFeatureAtPixel(coordinate, frameState);
+
+  if (hasFeature) {
+    return callback.call(thisArg, this.getLayer());
+  } else {
+    return undefined;
+  }
+};
+
+
 /**
 * Handle changes in image style state.
 * @param {goog.events.Event} event Image style change event.