Exposing cairo version. Closes #1

lib/canvas.js

@@ -12,7 +12,8 @@
 var canvas = require('../build/default/canvas')
   , colors = require('./colors')
   , Canvas = canvas.Canvas
-  , Context2d = canvas.Context2d;
+  , Context2d = canvas.Context2d
+  , cairoVersion = canvas.cairoVersion;
 
 /**
  * Export `Canvas` as the module.
@@ -26,6 +27,12 @@ var Canvas = exports = module.exports = Canvas;
 
 exports.version = '0.0.1';
 
+/**
+ * Cairo version.
+ */
+
+exports.cairoVersion = cairoVersion;
+
 /**
  * Parse the given color `str`.
  *

src/node-canvas.cc

@@ -13,4 +13,5 @@ init (Handle<Object> target) {
   HandleScope scope;
   Canvas::Initialize(target);
   Context2d::Initialize(target);
+  target->Set(String::New("cairoVersion"), String::New(cairo_version_string()));
 }