From 6cc5bd466dff0c29924bab30fe1d274aa9d23fe1 Mon Sep 17 00:00:00 2001
From: tsauerwein <tobias.sauerwein@camptocamp.com>
Date: Fri, 23 Jan 2015 17:32:09 +0100
Subject: [PATCH] Add hasFeatureAtPixel for ImageLayer

---
 src/ol/renderer/webgl/webglimagelayerrenderer.js | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/ol/renderer/webgl/webglimagelayerrenderer.js b/src/ol/renderer/webgl/webglimagelayerrenderer.js
index 13d3c7af16..922136574f 100644
--- a/src/ol/renderer/webgl/webglimagelayerrenderer.js
+++ b/src/ol/renderer/webgl/webglimagelayerrenderer.js
@@ -193,3 +193,14 @@ ol.renderer.webgl.ImageLayer.prototype.updateProjectionMatrix_ =
   goog.vec.Mat4.translate(projectionMatrix, 1, 1, 0);
 
 };
+
+
+/**
+ * @inheritDoc
+ */
+ol.renderer.webgl.ImageLayer.prototype.hasFeatureAtPixel =
+    function(coordinate, frameState) {
+  var hasFeature = this.forEachFeatureAtPixel(
+      coordinate, frameState, goog.functions.TRUE, this);
+  return goog.isDef(hasFeature);
+};