Support lifecycle Nodes (#20)

Signed-off-by: Alejandro Hernandez Cordero <ahcorde@gmail.com>

Author: ahcorde

image_transport_tutorials/src/my_publisher.cpp

@@ -23,7 +23,7 @@ int main(int argc, char ** argv)
   rclcpp::init(argc, argv);
   rclcpp::NodeOptions options;
   rclcpp::Node::SharedPtr node = rclcpp::Node::make_shared("image_publisher", options);
-  image_transport::ImageTransport it(node);
+  image_transport::ImageTransport it{*node};
   image_transport::Publisher pub = it.advertise("camera/image", 1);
 
   cv::Mat image = cv::imread(argv[1], cv::IMREAD_COLOR);

image_transport_tutorials/src/my_subscriber.cpp

@@ -39,8 +39,8 @@ int main(int argc, char ** argv)
   node->declare_parameter<std::string>("image_transport", "raw");
   cv::namedWindow("view");
   cv::startWindowThread();
-  image_transport::ImageTransport it(node);
-  image_transport::TransportHints hints(node.get());
+  image_transport::ImageTransport it{*node};
+  image_transport::TransportHints hints{*node};
   image_transport::Subscriber sub = it.subscribe("camera/image", 1, imageCallback, &hints);
   rclcpp::spin(node);
   cv::destroyWindow("view");

image_transport_tutorials/src/publisher_from_video.cpp

@@ -32,7 +32,7 @@ int main(int argc, char ** argv)
   rclcpp::init(argc, argv);
   rclcpp::NodeOptions options;
   rclcpp::Node::SharedPtr node = rclcpp::Node::make_shared("image_publisher", options);
-  image_transport::ImageTransport it(node);
+  image_transport::ImageTransport it{*node};
   image_transport::Publisher pub = it.advertise("camera/image", 1);
 
   // Convert the command line parameter index for the video device to an integer