namespace fis.Vid
{
    public interface IDisplayEngine
    {
        /// <summary>
        /// Gets image count.
        /// </summary>
        int ImageCount { get; }

        /// <summary>
        /// Gets basic data of opened file.
        /// </summary>
        /// <returns></returns>
        byte[] BasicData { get; }

        /// <summary>
        /// Gets image data by index.
        /// </summary>
        /// <param name="index"></param>
        /// <returns></returns>
        byte[] GetImageData(int index);
        /// <summary>
        /// Gets extended data of opened file.
        /// </summary>
        byte[] ExtendedData { get; }
        /// <summary>
        /// Close the file and release resources.
        /// </summary>
        void Close();
    }
}