Get pixel data

src/ol/layer/Layer.js

@@ -250,6 +250,17 @@ class Layer extends BaseLayer {
     return this.renderer_.getFeatures(pixel);
   }
 
+  /**
+   * @param {import("../pixel").Pixel} pixel Pixel.
+   * @return {Uint8ClampedArray|Uint8Array|Float32Array|DataView|null} Pixel data.
+   */
+  getData(pixel) {
+    if (!this.renderer_) {
+      return null;
+    }
+    return this.renderer_.getData(pixel);
+  }
+
   /**
    * In charge to manage the rendering of the layer. One layer type is
    * bounded with one layer renderer.