Added hitTolerance to hasFeatureAtPixel. Corrected JsDoc problems.

externs/olx.js

@@ -303,39 +303,42 @@ olx.MapOptions.prototype.view;
 
 
 /**
- * Object literal with options for the forEachFeatureAtCoordinate methods.
+ * Object literal with options for the forEachFeatureAtPixel and
+ * hasFeatureAtPixel methods.
  * @typedef {{layerFilter: ((function(ol.layer.Layer): boolean)|undefined),
  *    layerFilterThis: (Object|undefined),
  *    hitTolerance: (number|undefined)}}
  */
-olx.ForEachFeatureOptions;
+olx.FeatureAtPixelOptions;
 
 
 /**
- * Layer filter function. Only layers which are visible and for which this function returns
+ * Layer filter function. The filter function will receive one argument, the
- * `true` will be tested for features. By default, all visible layers will
+ * {@link ol.layer.Layer layer-candidate} and it should return a boolean value.
- * be tested.
+ * Only layers which are visible and for which this function returns `true`
+ * will be tested for features. By default, all visible layers will be tested.
  * @type {((function(ol.layer.Layer): boolean)|undefined)}
  * @api stable
  */
-olx.ForEachFeatureOptions.prototype.layerFilter;
+olx.FeatureAtPixelOptions.prototype.layerFilter;
 
 
 /**
  * Value to use as `this` when executing `layerFilter`.
- * @type {Object}
+ * @type {Object|undefined}
  * @api stable
  */
-olx.ForEachFeatureOptions.prototype.layerFilterThis;
+olx.FeatureAtPixelOptions.prototype.layerFilterThis;
 
 
 /**
- * Value of a radius in whichs area around the given coordinate features are
+ * Hit-detection tolerance. Pixels inside the radius around the given position
- *    called.
+ * will be checked for features. This only works for the canvas renderer and
- * @type {number}
+ * not for WebGL.
- * @api stable
+ * @type {number|undefined}
+ * @api
  */
-olx.ForEachFeatureOptions.prototype.hitTolerance;
+olx.FeatureAtPixelOptions.prototype.hitTolerance;
 
 
 /**

src/ol/map.js

@@ -568,7 +568,7 @@ ol.Map.prototype.disposeInternal = function() {
  *     unmanaged layers. To stop detection, callback functions can return a
  *     truthy value.
  * @param {S=} opt_this Value to use as this when executing callback.
- * @param {olx.ForEachFeatureOptions=} opt_options Optional options.
+ * @param {olx.FeatureAtPixelOptions=} opt_options Optional options.
  * @return {T|undefined} Callback result, i.e. the return value of last
  * callback execution, or the first truthy callback return value.
  * @template S,T
@@ -632,27 +632,22 @@ ol.Map.prototype.forEachLayerAtPixel = function(pixel, callback, opt_this, opt_l
  * Detect if features intersect a pixel on the viewport. Layers included in the
  * detection can be configured through `opt_layerFilter`.
  * @param {ol.Pixel} pixel Pixel.
- * @param {(function(this: U, ol.layer.Layer): boolean)=} opt_layerFilter Layer
+ * @param {olx.FeatureAtPixelOptions=} opt_options Optional options.
- *     filter function. The filter function will receive one argument, the
- *     {@link ol.layer.Layer layer-candidate} and it should return a boolean
- *     value. Only layers which are visible and for which this function returns
- *     `true` will be tested for features. By default, all visible layers will
- *     be tested.
- * @param {U=} opt_this Value to use as `this` when executing `layerFilter`.
  * @return {boolean} Is there a feature at the given pixel?
  * @template U
  * @api
  */
-ol.Map.prototype.hasFeatureAtPixel = function(pixel, opt_layerFilter, opt_this) {
+ol.Map.prototype.hasFeatureAtPixel = function(pixel, opt_options) {
+  opt_options = opt_options !== undefined ? opt_options : {};
   if (!this.frameState_) {
     return false;
   }
   var coordinate = this.getCoordinateFromPixel(pixel);
-  var layerFilter = opt_layerFilter !== undefined ?
+  var layerFilter = opt_options.layerFilter !== undefined ?
-      opt_layerFilter : ol.functions.TRUE;
+      opt_options.layerFilter : ol.functions.TRUE;
-  var thisArg = opt_this !== undefined ? opt_this : null;
+  var thisArg = opt_options.layerFilterThis !== undefined ? opt_options.layerFilterThis : null;
   return this.renderer_.hasFeatureAtCoordinate(
-      coordinate, this.frameState_, layerFilter, thisArg);
+      coordinate, this.frameState_, opt_options.hitTolerance || 0, layerFilter, thisArg);
 };
 
 

src/ol/renderer/map.js

@@ -189,6 +189,7 @@ ol.renderer.Map.prototype.forEachLayerAtPixel = function(pixel, frameState, call
 /**
  * @param {ol.Coordinate} coordinate Coordinate.
  * @param {olx.FrameState} frameState FrameState.
+ * @param {number} hitTolerance HitTolerance.
  * @param {function(this: U, ol.layer.Layer): boolean} layerFilter Layer filter
  *     function, only layers which are visible and for which this function
  *     returns `true` will be tested for features.  By default, all visible
@@ -197,9 +198,9 @@ ol.renderer.Map.prototype.forEachLayerAtPixel = function(pixel, frameState, call
  * @return {boolean} Is there a feature at the given coordinate?
  * @template U
  */
-ol.renderer.Map.prototype.hasFeatureAtCoordinate = function(coordinate, frameState, layerFilter, thisArg) {
+ol.renderer.Map.prototype.hasFeatureAtCoordinate = function(coordinate, frameState, hitTolerance, layerFilter, thisArg) {
   var hasFeature = this.forEachFeatureAtCoordinate(
-      coordinate, frameState, 0, ol.functions.TRUE, this, layerFilter, thisArg);
+      coordinate, frameState, hitTolerance, ol.functions.TRUE, this, layerFilter, thisArg);
 
   return hasFeature !== undefined;
 };

src/ol/renderer/webgl/map.js

@@ -535,7 +535,7 @@ ol.renderer.webgl.Map.prototype.forEachFeatureAtCoordinate = function(coordinate
 /**
  * @inheritDoc
  */
-ol.renderer.webgl.Map.prototype.hasFeatureAtCoordinate = function(coordinate, frameState, layerFilter, thisArg) {
+ol.renderer.webgl.Map.prototype.hasFeatureAtCoordinate = function(coordinate, frameState, hitTolerance, layerFilter, thisArg) {
   var hasFeature = false;
 
   if (this.getGL().isContextLost()) {