roi_to_mask_image.cpp
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00001 // -*- mode: c++ -*-
00002 /*********************************************************************
00003  * Software License Agreement (BSD License)
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00005  *  Copyright (c) 2015, JSK Lab
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00008  *  Redistribution and use in source and binary forms, with or without
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00035 
00036 #include "jsk_perception/roi_to_mask_image.h"
00037 
00038 namespace jsk_perception
00039 {
00040   void ROIToMaskImage::onInit()
00041   {
00042     DiagnosticNodelet::onInit();
00043     pub_ = advertise<sensor_msgs::Image>(
00044       *pnh_, "output", 1);
00045   }
00046 
00047   void ROIToMaskImage::subscribe()
00048   {
00049     sub_ = pnh_->subscribe("input", 1, &ROIToMaskImage::convert, this);
00050   }
00051 
00052   void ROIToMaskImage::unsubscribe()
00053   {
00054     sub_.shutdown();
00055   }
00056 
00057   void ROIToMaskImage::convert(
00058     const sensor_msgs::CameraInfo::ConstPtr& info_msg)
00059   {
00060     cv::Mat mask_image = cv::Mat::zeros(info_msg->height,
00061                                         info_msg->width,
00062                                         CV_8UC1);
00063     cv::Rect rect(info_msg->roi.x_offset,
00064                   info_msg->roi.y_offset,
00065                   info_msg->roi.width,
00066                   info_msg->roi.height);
00067     cv::rectangle(mask_image, rect, cv::Scalar(255), CV_FILLED);
00068     pub_.publish(cv_bridge::CvImage(
00069                    info_msg->header,
00070                    sensor_msgs::image_encodings::MONO8,
00071                    mask_image).toImageMsg());
00072   }
00073 }
00074 
00075 #include <pluginlib/class_list_macros.h>
00076 PLUGINLIB_EXPORT_CLASS (jsk_perception::ROIToMaskImage, nodelet::Nodelet);


jsk_perception
Author(s): Manabu Saito, Ryohei Ueda
autogenerated on Wed Sep 16 2015 04:36:15