Added Image::data()

src/CanvasRenderingContext2d.cc

@@ -408,7 +408,7 @@ Context2d::DrawImage(const Arguments &args) {
   double dh = args[4]->IsNumber() ? args[4]->NumberValue() : img->height;
 
   // Draw
-  uint8_t *src = cairo_image_surface_get_data(img->surface());
+  uint8_t *src = img->data();
   cairo_t *ctx = context->context();
 
   return Undefined();

src/Image.h

@@ -31,6 +31,7 @@ class Image: public node::ObjectWrap {
     static void SetOnload(Local<String> prop, Local<Value> val, const AccessorInfo &info);
     static void SetOnerror(Local<String> prop, Local<Value> val, const AccessorInfo &info);
     inline cairo_surface_t *surface(){ return _surface; } 
+    inline uint8_t *data(){ return cairo_image_surface_get_data(_surface); } 
     cairo_status_t loadSurface();
     void error(Local<Value>);
     void loaded();