diff --git a/image_publisher/include/image_publisher/image_publisher.hpp b/image_publisher/include/image_publisher/image_publisher.hpp index ae31210d0..1ad1dcdea 100644 --- a/image_publisher/include/image_publisher/image_publisher.hpp +++ b/image_publisher/include/image_publisher/image_publisher.hpp @@ -68,6 +68,7 @@ class ImagePublisher : public rclcpp::Node double field_of_view_; bool flip_horizontal_; bool flip_vertical_; + bool image_flipped_; bool retry_; // If enabled will retry loading image from the filename_ int timeout_; // Time after which retrying starts diff --git a/image_publisher/src/image_publisher.cpp b/image_publisher/src/image_publisher.cpp index dc6649e39..939656899 100644 --- a/image_publisher/src/image_publisher.cpp +++ b/image_publisher/src/image_publisher.cpp @@ -152,9 +152,11 @@ void ImagePublisher::doWork() if (!cap_.read(image_)) { cap_.set(cv::CAP_PROP_POS_FRAMES, 0); } + image_flipped_ = false; } - if (flip_image_) { + if (flip_image_ && !image_flipped_) { cv::flip(image_, image_, flip_value_); + image_flipped_ = true; } sensor_msgs::msg::Image::SharedPtr out_img = @@ -221,6 +223,7 @@ void ImagePublisher::onInit() } else { flip_image_ = false; } + image_flipped_ = false; // Image newly read, needs to be flipped camera_info_.width = image_.cols; camera_info_.height = image_.rows;