region_of_interest.hpp

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namespace sensor_msgs::msg {
class RegionOfInterest {
public:
    // This message is used to specify a region of interest within an image.
    // 
    // When used to specify the ROI setting of the camera when the image was
    // taken, the height and width fields should either match the height and
    // width fields for the associated image; or height = width = 0
    // indicates that the full resolution image was captured.
 
    uint32_t x_offset;  
    // (0 if the ROI includes the left edge of the image)
    uint32_t y_offset;  
    // (0 if the ROI includes the top edge of the image)
    uint32_t height;  
    uint32_t width;  
 
    // True if a distinct rectified ROI should be calculated from the "raw"
    // ROI in this message. Typically this should be False if the full image
    // is captured (ROI not used), and True if a subwindow is captured (ROI
    // used).
    bool do_rectify;
};
} // namespace sensor_msgs::msg