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src/Image.cc

@@ -153,6 +153,10 @@ Image::~Image() {
   cairo_surface_destroy(_surface);
 }
 
+/*
+ * Load callback.
+ */
+
 static int
 EIO_Load(eio_req *req) {
   Image *img = (Image *) req->data;
@@ -160,6 +164,10 @@ EIO_Load(eio_req *req) {
   return 0;
 }
 
+/*
+ * After load callback.
+ */
+
 static int
 EIO_AfterLoad(eio_req *req) {
   HandleScope scope;
@@ -175,13 +183,22 @@ EIO_AfterLoad(eio_req *req) {
   return 0;
 }
 
+/*
+ * Initiate image loading.
+ */
+
 void
 Image::load() {
   Ref();
+  complete = false;
   eio_custom(EIO_Load, EIO_PRI_DEFAULT, EIO_AfterLoad, this);
   ev_ref(EV_DEFAULT_UC);
 }
 
+/*
+ * Invoke onload (when assigned).
+ */
+
 void
 Image::loaded() {
   HandleScope scope;
@@ -199,6 +216,10 @@ Image::loaded() {
   Unref();
 }
 
+/*
+ * Invoke onerror (when assigned) with the given err.
+ */
+
 void
 Image::error(Local<Value> err) {
   HandleScope scope;
@@ -209,6 +230,12 @@ Image::error(Local<Value> err) {
   }
 }
 
+/*
+ * Load cairo surface from the image src.
+ * 
+ * TODO: support more formats
+ */
+
 cairo_status_t
 Image::loadSurface() {
   _surface = cairo_image_surface_create_from_png(filename);