fis/fis/Win/Ultra3D/Manager/MeasureImageManager.cs

using fis.Win.Dev.Win.Ultra3D.Carotid;
using fis.Win.Dev.Win.Ultra3D.manager;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace fis.Win.Dev.Win.Ultra3D.Manager
{
    public class DisplayModeArgs 
    {
        public DisplayMode DisplayMode { get; }

        public bool IsAiClip { get; }

        public DisplayModeArgs(DisplayMode displayMode, bool isAiClip)
        {
            DisplayMode = displayMode;
            IsAiClip = isAiClip;
        }
    }
    /// <summary>
    /// Carotid measure image manager
    /// </summary>
    public class MeasureImageManager
    {
       
        /// <summary>
        /// Enter measure mode event
        /// </summary>
        public event EventHandler MeasureModeChanged;

        /// <summary>
        ///  Current 3D Model measure bitmap
        /// </summary>
        public Bitmap CurrentMeasureBitmap { get; private set; }

        /// <summary>
        /// Trigger when display mode change.
        /// </summary>
        public event EventHandler<DisplayModeArgs> DisplayModeChanged;

        /// <summary>
        /// Switch display mode.
        /// </summary>
        /// <param name="displayMode">display mode.</param>
        public void SwitchDisplayMode(DisplayMode displayMode, CefInputData cefInputData, Parse3DModelManager parse3DModelManager)
        {
            var isAiClip = false;
            if (displayMode == DisplayMode.Measure)
            {
                if (cefInputData != null && parse3DModelManager.SurfaceFile.AiPoints != null)
                {
                    isAiClip = IsAiPoints(parse3DModelManager.SurfaceFile.AiPoints, cefInputData);
                }
                CurrentMeasureBitmap = parse3DModelManager.GetSurfaceBitmap(cefInputData);

            }
            DisplayModeChanged?.Invoke(this, new DisplayModeArgs(displayMode, isAiClip));
        }

        /// <summary>
        /// Regist get clip info data func
        /// </summary>
        /// <param name="getClipInfoDataFunc">get clip info data func.</param>
        public void RegistGetClipInfoDataFunc(Func<Task<CefInputData>> getClipInfoDataFunc)
        {
            _getClipInfoDataFunc = getClipInfoDataFunc;
        }

        /// <summary>
        /// Enter measure mode
        /// </summary>
        public void EnterMeasureMode()
        {
            MeasureModeChanged?.Invoke(this, EventArgs.Empty);
        }

        public string GetCurrentMeasureData()
        {
            return ImgToBase64String(CurrentMeasureBitmap);
        }
        private bool IsAiPoints(Vector3D[] aiPoints, CefInputData inputData)
        {
            foreach (var point in aiPoints)
            {
                if (!inputData.PointsList.Contains(point))
                {
                    return false;
                }
            }

            return true;
        }

        protected void OnDisposeManagedResource()
        {
            CurrentMeasureBitmap?.Dispose();
        }

        public static string ImgToBase64String(Bitmap bmp)
        {
            try
            {
                MemoryStream ms = new MemoryStream();
                bmp.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg);
                byte[] arr = new byte[ms.Length];
                ms.Position = 0;
                ms.Read(arr, 0, (int)ms.Length);
                ms.Close();
                var data = Convert.ToBase64String(arr);
                return "data:image/jpeg;base64," + data;
            }
            catch (Exception ex)
            {
                return null;
            }
        }
    }
}