Method write_image_data_reports

src/lib.rs:486–515

(&self, image_data: &[u8], parameters: WriteImageParameters, header_fn: T)

    }

    fn write_image_data_reports<T>(&self, image_data: &[u8], parameters: WriteImageParameters, header_fn: T) -> Result<(), StreamDeckError>
    where
        T: Fn(usize, usize, bool) -> Vec<u8>,
    {
        let image_report_length = parameters.image_report_length;
        let image_report_payload_length = parameters.image_report_payload_length;

        let mut page_number = 0;
        let mut bytes_remaining = image_data.len();

        while bytes_remaining > 0 {
            let this_length = bytes_remaining.min(image_report_payload_length);
            let bytes_sent = page_number * image_report_payload_length;

            // Selecting header based on device
            let mut buf: Vec<u8> = header_fn(page_number, this_length, this_length == bytes_remaining);

            buf.extend(&image_data[bytes_sent..bytes_sent + this_length]);

            // Adding padding
            buf.extend(vec![0u8; image_report_length - buf.len()]);

            write_data(&self.device, &buf)?;

            bytes_remaining -= this_length;
            page_number += 1;
        }

        Ok(())
    }
}

#[derive(Clone, Copy)]