using OTSCommon.Model;
using OTSIncAReportGraph.Class;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace OTSIncAReportGraph
{

    public class DisplayField
    {
        Guid  m_id;
       
        string m_fieldid;
        bool m_IsDragging;
     
        List<DisplayParticle> m_list_dparticle;
        private float m_currentZoom=1;
 
        PointF m_ots_point;  //按底层设计结构，底层返回的物理坐标位置及大小,OTS坐标大小
 
        RectangleF m_Rect;//最后换算到在显示器上显示的坐标位置大小    
        PointF m_dragingpoint;//鼠标拖动的位置
 
        private Bitmap m_originalImage;
        const int INVALIDPARTICLE= -1;
        /// <summary>
        /// 构造函数
        /// </summary>
        public DisplayField(Field fld, int fldwidth, int fldheight,Point screenPos)
        {
         
            m_list_dparticle = new List<DisplayParticle>();
       
            m_id = System.Guid.NewGuid();
            Point thisfield_point = new Point() { X = fld.FieldPosX, Y = fld.FieldPosY };
           
            FieldID = fld.FieldID.ToString();
            SetShow_Rect(new Rectangle(screenPos, new Size(fldwidth, fldheight)));

            OTSCoordinatePos = new PointF(thisfield_point.X, thisfield_point.Y);
            //先获取该Field中的所有Particle
            List<Particle> list_particle;
            list_particle = fld.ParticleList;
           
            //然后将取出的数据，转换成Bitmap对象
            m_originalImage = DrawFunction.ReadImageFile(fld.FieldImage);

            Bitmap dpImage = new Bitmap(fldwidth, fldheight);
            //再循环计算所有的Particle对象
            foreach (Particle particle in list_particle)
            {
                //分布图排列图无效颗粒不显示
                if (particle.TypeId == INVALIDPARTICLE)
                {
                    continue;
                }
                //创建DParticle颗粒
                DisplayParticle dp = new DisplayParticle(particle,screenPos,m_originalImage,dpImage);

               
                m_list_dparticle.Add(dp);
          

            }





        }

        public DisplayField(List<DisplayParticle> in_list_dparticle)
        {
            m_list_dparticle = in_list_dparticle;
        }

        public void Zoom(float zoomDelta , PointF refPoint)
        {
            
            m_Rect.Width += m_Rect.Width/ m_currentZoom * zoomDelta;
            m_Rect.Height += m_Rect.Height/ m_currentZoom * zoomDelta;
            //锚点缩放补差值计算,得出差值
            float xShiftOld = m_Rect.X - refPoint.X;
            float yShiftOld = m_Rect.Y - refPoint.Y;
            float xShift = m_Rect.X - refPoint.X + xShiftOld/ m_currentZoom * zoomDelta;
            float yShift = m_Rect.Y - refPoint.Y + yShiftOld/ m_currentZoom * zoomDelta;


           
            m_Rect.X = refPoint.X + xShift;
            m_Rect.Y = refPoint.Y + yShift;

            m_currentZoom += zoomDelta;

        }
        public void DraggingMove(PointF mousePoint)
        {
            m_Rect = new RectangleF(
                           m_Rect.Left + Convert.ToSingle((mousePoint.X - DraggingPoint.X)),
                          m_Rect.Top + Convert.ToSingle((mousePoint.Y - DraggingPoint.Y)),
                          m_Rect.Width,
                           m_Rect.Height);
            DraggingPoint = mousePoint;
        }
        public void Move(SizeF xyShift)
        {
            m_Rect = new RectangleF(
                           m_Rect.Left- Convert.ToSingle((xyShift.Width)),
                          m_Rect.Top - Convert.ToSingle((xyShift.Height)),
                          m_Rect.Width,
                           m_Rect.Height);
           
        }
        public  Guid guid { get => m_id; set => m_id = value; }

        /// <summary>
        /// 是否被拖动标识
        /// </summary>


        public  bool IsDragging { get => m_IsDragging; set => m_IsDragging = value; }

        /// <summary>
        /// 被拖动到的位置坐标
        /// </summary>


        public  PointF DraggingPoint { get => m_dragingpoint; set => m_dragingpoint = value; }

        /// <summary>
        /// 与底层对应的ID,这里叫成FieldID
        /// </summary>
        public string FieldID
        {
            get { return m_fieldid; }
            set { m_fieldid = value; }
        }

    

        /// <summary>
        /// 包含的Particle列表
        /// </summary>
        public List<DisplayParticle> List_DParticle
        {
            get { return m_list_dparticle; }
            set { m_list_dparticle = value; }
        }
       
        /// <summary>
        /// 该Field的OTS坐标及大小
        /// </summary>
        public PointF OTSCoordinatePos
        {
            get { return m_ots_point; }
            set { m_ots_point = value; }
        }


        /// <summary>
        /// 该Field最后在屏幕上显示的坐标及大小
        /// </summary>
        public  RectangleF GetShowRect()
        { return m_Rect; }

        /// <summary>
        /// 该Field最后在屏幕上显示的坐标及大小
        /// </summary>
        public void SetShow_Rect(RectangleF value)
        { m_Rect = value; }






        public Bitmap OriginalImage { get => m_originalImage; set => m_originalImage = value; }

        //public  void OnPaint(PaintEventArgs e)
        //{

        //    //开始向下传递并进行绘制
        //    foreach (DisplayParticle dp in m_list_dparticle)
        //    {
               
        //        if (dp.IsDeleted==false)
        //        {
        //            if (dp.GetPaintState() == PaintState.PAINT)
        //            {
        //                dp.OnPaint(e);
        //            }
                   

        //        }
        //    }
        //}
    }
}