new example: fetching svg from wikipedia and return png

example/wikipedia.js

@@ -0,0 +1,45 @@
+
+require.paths.unshift(__dirname+'/../deps/node-canvas/lib');
+require.paths.unshift(__dirname+'/../deps/node-htmlparser/lib');
+
+var fs = require('fs'),
+    sys = require('sys'),
+    http = require('http'),
+    CanvasSvg = require('../lib/canvas-svg');
+
+CanvasSvg.load.debug = true;
+
+CanvasSvg.load(function (err) {
+    if (err) throw err;
+
+    var svg = "";
+    var wikimedia = http.createClient(80, 'upload.wikimedia.org');
+    var request = wikimedia.request("/wikipedia/commons/a/a2/ECGbasic.svg",
+                                    {'host':'upload.wikimedia.org'});
+    request.end();
+    request.on('response', function (response) {
+        console.log('STATUS: ' + response.statusCode);
+        console.log('HEADERS: ' + JSON.stringify(response.headers));
+        response.setEncoding('utf8');
+        response.on('data', function (chunk) {svg += chunk;});
+        response.on('end', function () {
+            console.log("data fetched");
+            CanvasSvg.svg.render(svg, function (err, canvas) {
+                console.log("image rendered");
+                if (err) throw err;
+                var out = fs.createWriteStream('wikipedia.png'),
+                    png = canvas.createPNGStream();
+                sys.pump(png, out);
+                png.on('end', function () {
+                    out.end();
+                });
+                out.on('close', function () {
+                    console.log("png saved");
+                    process.exit();
+                });
+            });
+        });
+    });
+});
+
+