roi_to_rect.cpp

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// -*- mode: c++ -*-
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#include "jsk_perception/roi_to_rect.h"

namespace jsk_perception
{
  void ROIToRect::onInit()
  {
    DiagnosticNodelet::onInit();
    pub_ = advertise<geometry_msgs::PolygonStamped>(
      *pnh_, "output", 1);
  }

  void ROIToRect::subscribe()
  {
    sub_ = pnh_->subscribe("input", 1, &ROIToRect::convert, this);
  }

  void ROIToRect::unsubscribe()
  {
    sub_.shutdown();
  }

  void ROIToRect::convert(
    const sensor_msgs::CameraInfo::ConstPtr& roi_msg)
  {
    vital_checker_->poke();
    geometry_msgs::PolygonStamped rect;
    rect.header = roi_msg->header;
    geometry_msgs::Point32 min_pt, max_pt;
    min_pt.x = roi_msg->roi.x_offset;
    min_pt.y = roi_msg->roi.y_offset;
    max_pt.x = roi_msg->roi.x_offset + roi_msg->roi.width;
    max_pt.y = roi_msg->roi.y_offset + roi_msg->roi.height;
    rect.polygon.points.push_back(min_pt);
    rect.polygon.points.push_back(max_pt);
    pub_.publish(rect);
  }
}

#include <pluginlib/class_list_macros.h>
PLUGINLIB_EXPORT_CLASS (jsk_perception::ROIToRect, nodelet::Nodelet);