using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Emgu.CV;
using Emgu.CV.Structure;

using bbiwarg.Utility;

namespace bbiwarg.Images
{
    public enum TouchImageState
    {
        none = 0,
        touchArea = 1,
        touchAreaMatched = 2,
        touchAreaStatusBar = 3,
        touchDetected = 4,
        touchTracked = 5
    }

    class TouchImage
    {
        private Image<Gray, byte> image;

        public TouchImage(int width, int height)
        {
            image = new Image<Gray, byte>(width, height);
        }

        public void setStateAt(Point point, TouchImageState state) {
            setStateAt(point.X, point.Y, state);
        }

        public void setStateAt(int x, int y, TouchImageState state)
        {
            image.Data[y, x, 0] = (byte)state;

            int size = 5;
            if (state == TouchImageState.touchTracked || state == TouchImageState.touchDetected)
            {
                image.Draw(new CircleF(new System.Drawing.PointF(x, y), size), new Gray((byte) state), 0);
            }
        }


        public TouchImageState getStateAt(int x, int y)
        {
            return (TouchImageState)image.Data[y, x, 0];
        }
    }
}