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00035 #ifndef IMAGE_TRANSPORT_PUBLISHER_PLUGIN_H
00036 #define IMAGE_TRANSPORT_PUBLISHER_PLUGIN_H
00037
00038 #include <ros/ros.h>
00039 #include <sensor_msgs/Image.h>
00040 #include "image_transport/single_subscriber_publisher.h"
00041
00042 namespace image_transport {
00043
00047 class PublisherPlugin : boost::noncopyable
00048 {
00049 public:
00050 virtual ~PublisherPlugin() {}
00051
00056 virtual std::string getTransportName() const = 0;
00057
00061 void advertise(ros::NodeHandle& nh, const std::string& base_topic, uint32_t queue_size,
00062 bool latch = true)
00063 {
00064 advertiseImpl(nh, base_topic, queue_size, SubscriberStatusCallback(),
00065 SubscriberStatusCallback(), ros::VoidPtr(), latch);
00066 }
00067
00071 void advertise(ros::NodeHandle& nh, const std::string& base_topic, uint32_t queue_size,
00072 const SubscriberStatusCallback& connect_cb,
00073 const SubscriberStatusCallback& disconnect_cb = SubscriberStatusCallback(),
00074 const ros::VoidPtr& tracked_object = ros::VoidPtr(), bool latch = true)
00075 {
00076 advertiseImpl(nh, base_topic, queue_size, connect_cb, disconnect_cb, tracked_object, latch);
00077 }
00078
00083 virtual uint32_t getNumSubscribers() const = 0;
00084
00088 virtual std::string getTopic() const = 0;
00089
00093 virtual void publish(const sensor_msgs::Image& message) const = 0;
00094
00098 virtual void publish(const sensor_msgs::ImageConstPtr& message) const
00099 {
00100 publish(*message);
00101 }
00102
00106 virtual void shutdown() = 0;
00107
00112 static std::string getLookupName(const std::string& transport_name)
00113 {
00114 return "image_transport/" + transport_name + "_pub";
00115 }
00116
00117 protected:
00121 virtual void advertiseImpl(ros::NodeHandle& nh, const std::string& base_topic, uint32_t queue_size,
00122 const SubscriberStatusCallback& connect_cb,
00123 const SubscriberStatusCallback& disconnect_cb,
00124 const ros::VoidPtr& tracked_object, bool latch) = 0;
00125 };
00126
00127 }
00128
00129 #endif