ros_image_to_qimage

Converts a ROS2 sensor_msgs/msg/Image to QImage.

Installation

ROS2 Galactic / Humble / Rolling

Binary installation is available. Source your ROS installation, then run:

sudo apt install ros-${ROS_DISTRO}-ros-image-to-qimage

Alternatively to build from source, source your ROS installation, then run the following in your ROS workspace:

git clone https://github.com/ros-sports/ros_image_to_qimage.git src/ros_image_to_qimage --branch ${ROS_DISTRO}
colcon build

ROS2 Foxy

Only source installation is available. Source your ROS installation, then run the following in your ROS workspace:

git clone https://github.com/ros-sports/ros_image_to_qimage.git src/ros_image_to_qimage --branch ${ROS_DISTRO}
colcon build

Usage

C++

#include "ros_image_to_qimage/ros_image_to_qimage.hpp"

void imageCallback(const sensor_msgs::ImageConstPtr& msg)
{
  QImage qImage = ros_image_to_qimage::Convert(*msg);
}

For your package.xml, add

<depend>ros_image_to_qimage</depend>

For your CMakeLists.txt, suppose we want to link my_target against this library:

find_package(ros_image_to_qimage REQUIRED)
ament_target_dependencies(my_target ros_image_to_qimage)

Python

from ros_image_to_qimage import ros_image_to_qimage

def image_callback(self, msg):
    qimage = ros_image_to_qimage.convert(msg)

For your package.xml, add

<exec_depend>ros_image_to_qimage</exec_depend>

Changelog for package ros_image_to_qimage

0.4.1 (2022-09-29)

• Change #include cv_bridge.h to cv_bridge.hpp in ros_image_to_qimage.hpp (#27, #28)
• Change python_qt_binding from exec_depend to depend, because it is being used in CMakeLists.txt. (#25)
• Contributors: Kenji Brameld

0.4.0 (2022-09-26)

• Ensure bgr8 gets converted to rgb8 (#21)
• Add functionality to convert mono colors too (#18)
• Add tests for cpp (#13)
• Add python API (#5)
• Fix README.md (#4)
• Contributors: Kenji Brameld

0.3.0 (2022-06-15)

• update readme
• update ci
• Contributors: Kenji Brameld

0.0.2 (2022-01-07)

• fill package.xml with correct description and license tag
• Contributors: ijnek

0.0.1 (2022-01-06)

• implemented ros_image_to_qimage package
• Contributors: Kenji Brameld, ijnek