using BBIWARG.Utility;
using Emgu.CV;
using Emgu.CV.Structure;
using System;

namespace BBIWARG.Images
{
    /// <summary>
    /// ConfidenceImage stores the raw confidence data read from the Camera as an <see cref="Image"/>.
    /// </summary>
    public class ConfidenceImage
    {
        /// <summary>
        /// the confidence image
        /// </summary>
        public Image<Gray, Int16> Image { get; private set; }

        /// <summary>
        /// a mask image, which is 1 iff the the confidence value is greater than <see cref="Parameters.ConfidenceImageMinThreshold"/>
        /// </summary>
        public Image<Gray, byte> Mask { get; private set; }

        /// <summary>
        /// the size of the confidence image
        /// </summary>
        public ImageSize Size { get; private set; }

        /// <summary>
        /// Constructs a new ConfidenceImage using the specified data and size.
        /// </summary>
        /// <param name="rawConfidenceData">pointer to raw confidence data</param>
        /// <param name="size">size of the confidence image</param>
        public ConfidenceImage(IntPtr rawConfidenceData, ImageSize size)
        {
            Size = size;
            Image = new Image<Gray, Int16>(Size.Width, Size.Height, size.Width * 2, rawConfidenceData);

            Mask = Image.ThresholdBinary(new Gray(Parameters.ConfidenceImageMinThreshold), new Gray(1)).Convert<Gray, byte>();
        }
    }
}