ImagePublisher QML Type

Publishes sensor_msgs::msg::Image messages — This message contains an uncompressed image (0, 0) is at top-left corner of image. More...

• List of all members, including inherited members

Properties

• data : ArrayBuffer
• encoding : string
• header : header
• height : uint32_t
• isBigendian : uint8_t
• step : uint32_t
• width : uint32_t

Methods

• void publish(image msg)

Detailed Description

ImagePublisher publishes image values to a ROS 2 topic. Set the topic and node properties, then call publish() to send messages.

See also ImageSubscriber and image.

Property Documentation

data : ArrayBuffer

The data field value included in the next publish. Setting this property emits dataChanged and, when autoPublish is true, requests a publish at the end of the current event-loop iteration.

encoding : string

The encoding field value included in the next publish. Setting this property emits encodingChanged and, when autoPublish is true, requests a publish at the end of the current event-loop iteration.

header : header

The header field value included in the next publish. Setting this property emits headerChanged and, when autoPublish is true, requests a publish at the end of the current event-loop iteration.

height : uint32_t

The height field value included in the next publish. Setting this property emits heightChanged and, when autoPublish is true, requests a publish at the end of the current event-loop iteration.

isBigendian : uint8_t

The isBigendian field value included in the next publish. Setting this property emits isBigendianChanged and, when autoPublish is true, requests a publish at the end of the current event-loop iteration.

step : uint32_t

The step field value included in the next publish. Setting this property emits stepChanged and, when autoPublish is true, requests a publish at the end of the current event-loop iteration.

width : uint32_t

The width field value included in the next publish. Setting this property emits widthChanged and, when autoPublish is true, requests a publish at the end of the current event-loop iteration.

Method Documentation

void publish(image msg)

Publishes image msg to the ROS 2 topic set by the topic property. Does nothing if the publisher is not connected.