Use Image::operator== to compare RawImageProxy which should be faster.

2 files changed, 14 insertions, 1 deletions

diff --git a/src/lib/raw_image_proxy.cc b/src/lib/raw_image_proxy.cc
index e73a1543d..c9a76e85a 100644
--- a/src/lib/raw_image_proxy.cc
+++ b/src/lib/raw_image_proxy.cc
@@ -30,6 +30,7 @@ extern "C" {
 
 using std::string;
 using boost::shared_ptr;
+using boost::dynamic_pointer_cast;
 using boost::optional;
 
 RawImageProxy::RawImageProxy (shared_ptr<Image> image)
@@ -68,3 +69,14 @@ RawImageProxy::send_binary (shared_ptr<Socket> socket) const
 {
 	_image->write_to_socket (socket);
 }
+
+bool
+RawImageProxy::same (shared_ptr<const ImageProxy> other) const
+{
+	shared_ptr<const RawImageProxy> rp = dynamic_pointer_cast<const RawImageProxy> (other);
+	if (!rp) {
+		return false;
+	}
+
+	return (*_image.get()) == (*rp->image().get());
+}
diff --git a/src/lib/raw_image_proxy.h b/src/lib/raw_image_proxy.h
index 51ffd4e98..33bf48273 100644
--- a/src/lib/raw_image_proxy.h
+++ b/src/lib/raw_image_proxy.h
@@ -27,10 +27,11 @@ class RawImageProxy : public ImageProxy
 public:
 	RawImageProxy (boost::shared_ptr<Image>);
 	RawImageProxy (boost::shared_ptr<cxml::Node> xml, boost::shared_ptr<Socket> socket);
-
+	
 	boost::shared_ptr<Image> image (boost::optional<dcp::NoteHandler> note = boost::optional<dcp::NoteHandler> ()) const;
 	void add_metadata (xmlpp::Node *) const;
 	void send_binary (boost::shared_ptr<Socket>) const;
+	bool same (boost::shared_ptr<const ImageProxy>) const;
 	
 private:
 	boost::shared_ptr<Image> _image;