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[dcpomatic.git] / src / lib / image_proxy.h

diff --git a/src/lib/image_proxy.h b/src/lib/image_proxy.h
index b0ec161102d1f311e1e019c47793314c35166944..d7bd7b0e62811f9846ceb92a127a77be09d9b1f5 100644 (file)
--- a/src/lib/image_proxy.h
+++ b/src/lib/image_proxy.h
@@ -60,8 +60,16 @@ class ImageProxy : public boost::noncopyable
 public:
        virtual ~ImageProxy () {}
 
-       /** @return Image (which must be aligned) */
-       virtual boost::shared_ptr<Image> image (boost::optional<dcp::NoteHandler> note = boost::optional<dcp::NoteHandler> ()) const = 0;
+       /** @param note Handler for any notes that occur.
+        *  @param size Size that the returned image will be scaled to, in case this
+        *  can be used as an optimisation.
+        *  @return Image (which must be aligned)
+        */
+       virtual boost::shared_ptr<Image> image (
+               boost::optional<dcp::NoteHandler> note = boost::optional<dcp::NoteHandler> (),
+               boost::optional<dcp::Size> size = boost::optional<dcp::Size> ()
+               ) const = 0;
+
        virtual void add_metadata (xmlpp::Node *) const = 0;
        virtual void send_binary (boost::shared_ptr<Socket>) const = 0;
        /** @return true if our image is definitely the same as another, false if it is probably not */