logic: add menu action for graph 'save as image' (issue #426) (#1104)

src/lib/utility/messaging/type/graph/MessageSaveAsImage.h

@@ -0,0 +1,20 @@
+#ifndef MESSAGE_SAVE_AS_IMAGE_H
+#define MESSAGE_SAVE_AS_IMAGE_H
+
+#include "Message.h"
+
+
+class MessageSaveAsImage: public Message<MessageSaveAsImage>
+{
+public:
+	MessageSaveAsImage(QString path) : path(path) {}
+
+	static const std::string getStaticType()
+	{
+		return "MessageSaveAsImage";
+	}
+
+	QString path;
+};
+
+#endif /* MESSAGE_SAVE_AS_IMAGE_H */