Example sources in the examples dir

examples/image-filter.html

@@ -0,0 +1,24 @@
+---
+template: example.html
+title: Image Filter Example
+shortdesc: Apply a filter to imagery
+docs: >
+  <p>Layer rendering can be manipulated in <code>precompose</code> and <code>postcompose</code> event listeners.
+  These listeners get an event with a reference to the Canvas rendering context.
+  In this example, the <code>postcompose</code> listener applies a filter to the image data.</p>
+tags: "filter, image manipulation"
+---
+<div class="row-fluid">
+  <div class="span12">
+    <div id="map" class="map"></div>
+  </div>
+</div>
+<select id="kernel" name="kernel">
+  <option>none</option>
+  <option selected>sharpen</option>
+  <option value="sharpenless">sharpen less</option>
+  <option>blur</option>
+  <option>shadow</option>
+  <option>emboss</option>
+  <option value="edge">edge detect</option>
+</select>