Add a ol.source.ImageStatic example

2013-12-13 13:48:23 +01:00
parent c599ceb43d
commit 2d971ed58f
2 changed files with 94 additions and 0 deletions
--- a/examples/static-image.html
+++ b/examples/static-image.html
@@ -0,0 +1,50 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8">
+    <meta http-equiv="X-UA-Compatible" content="chrome=1">
+    <meta name="viewport" content="initial-scale=1.0, user-scalable=no, width=device-width">
+    <link rel="stylesheet" href="../css/ol.css" type="text/css">
+    <link rel="stylesheet" href="../resources/bootstrap/css/bootstrap.min.css" type="text/css">
+    <link rel="stylesheet" href="../resources/layout.css" type="text/css">
+    <link rel="stylesheet" href="../resources/bootstrap/css/bootstrap-responsive.min.css" type="text/css">
+    <title>Static image example</title>
+  </head>
+  <body>
+
+    <div class="navbar navbar-inverse navbar-fixed-top">
+      <div class="navbar-inner">
+        <div class="container">
+          <a class="brand" href="./"><img src="../resources/logo.png"> OpenLayers 3 Examples</a>          
+        </div>
+      </div>
+    </div>
+
+    <div class="container-fluid">
+
+      <div class="row-fluid">
+        <div class="span12">
+          <div id="map" class="map"></div>
+        </div>
+      </div>
+
+      <div class="row-fluid">
+
+        <div class="span12">
+          <h4 id="title">Static image example</h4>
+          <p id="shortdesc">Example of a static image layer. Source: <a href="http://xkcd.com/256/">xkcd.com/256/</a></p>
+          <div id="docs">
+            <p>See the <a href="static-image.js" target="_blank">static-image.js source</a> to see how this is done.</p>
+          </div>
+          <div id="tags">static image, xkcd</div>
+        </div>
+
+      </div>
+
+    </div>
+
+    <script src="loader.js?id=static-image" type="text/javascript"></script>
+    <script src="../resources/example-behaviour.js" type="text/javascript"></script>
+
+  </body>
+</html>
--- a/examples/static-image.js
+++ b/examples/static-image.js
@@ -0,0 +1,44 @@
+goog.require('ol.Attribution');
+goog.require('ol.Map');
+goog.require('ol.RendererHint');
+goog.require('ol.View2D');
+goog.require('ol.extent');
+goog.require('ol.layer.Image');
+goog.require('ol.proj.Projection');
+goog.require('ol.proj.Units');
+goog.require('ol.source.ImageStatic');
+
+
+// Maps always need a projection, but the static image is not geo-referenced,
+// and are only measured in pixels.  So, we create a fake projection that the
+// map can use to properly display the layer.
+var pixelProjection = new ol.proj.Projection({
+  code: 'pixel',
+  units: ol.proj.Units.PIXELS,
+  extent: [0, 0, 1024, 968]
+});
+
+var map = new ol.Map({
+  layers: [
+    new ol.layer.Image({
+      source: new ol.source.ImageStatic({
+        attributions: [
+          new ol.Attribution({
+            html: '&copy; <a href="http://xkcd.com/license.html">xkcd</a>'
+          })
+        ],
+        url: 'http://imgs.xkcd.com/comics/online_communities.png',
+        imageSize: [1024, 968],
+        projection: pixelProjection,
+        imageExtent: pixelProjection.getExtent()
+      })
+    })
+  ],
+  renderer: ol.RendererHint.CANVAS,
+  target: 'map',
+  view: new ol.View2D({
+    projection: pixelProjection,
+    center: ol.extent.getCenter(pixelProjection.getExtent()),
+    zoom: 2
+  })
+});