using HalconDotNet;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using static System.Net.Mime.MediaTypeNames;

namespace Rs.MotionPlat
{
    public partial class Form2 : Form
    {
        private List<HDrawingObject> list = new List<HDrawingObject>();
        private Stack<HObject> graphic_stack = new Stack<HObject>();
        private HDrawingObject selected_drawing_object = new HDrawingObject(250, 250, 100);
        private HImage image = null;
        private object stack_lock = new object();
        HWindow window = null;
        public Form2()
        {
            InitializeComponent();
            window = hWindow_Final1.hWindowControl.HalconWindow;
        }

        //ROI内的区域加入Stack中
        public void AddToStack(HObject obj)
        {
            lock (stack_lock)
            {
                graphic_stack.Push(obj);
            }
        }
        //
        public void DisplayResults()
        {
            try
            {
                hWindow_Final1.hWindowControl.BeginInvoke((MethodInvoker)(() =>
                {
                    DisplayGraphicStack();
                }));
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.ToString());
            }
        }
        //
        private void DisplayGraphicStack()
        {
            lock (stack_lock)
            {
                HSystem.SetSystem("flush_graphic", "false");
                window.ClearWindow();
                while (graphic_stack.Count > 0)
                {
                    //显示ROI内效果，并移除
                    window.DispObj(graphic_stack.Pop());
                }
                HSystem.SetSystem("flush_graphic", "true");
            }
            window.DispCross(-10.0, -10.0, 3.0, 0.0);
        }

        private void button1_Click(object sender, EventArgs e)
        {
            //HDrawingObject rec1 = HDrawingObject.CreateDrawingObject(HDrawingObject.HDrawingObjectType.RECTANGLE1,
            //    100, 100, 210, 210);
            //this.AttachDrawingObj(rec1);

            HDrawingObject rec1 = HDrawingObject.CreateDrawingObject(HDrawingObject.HDrawingObjectType.CIRCLE_SECTOR, 250, 250, 50, 0, 1);
            this.AttachDrawingObj(rec1);
        }

        //与委托参数匹配
        private void OnSelectDrawingObject(HDrawingObject drawid, HWindow window, string type)
        {
            selected_drawing_object = drawid;

            ProcessMethod(drawid, window, type);
        }

        private void ProcessMethod(HDrawingObject drawid, HWindow window, string type)
        {
            foreach (HDrawingObject item in list)
            {
                //注意事项：改变ROI颜色的时候，一定要通过HDrawingObject对象的ID属性和list中的成员ID进行匹配，
                //不能直接通过对象==对象的形式进行判断
                if (item.ID == drawid.ID)
                {
                    item.SetDrawingObjectParams("color", "blue");
                }
                else
                {
                    item.SetDrawingObjectParams("color", "green");
                }
            }

            HRegion region = new HRegion(drawid.GetDrawingObjectIconic());
            window.SetColor("red");
            window.DispObj(region);
            AddToStack(region);
            
            //AddToStack(region);
            //加入stack
            window.SetColor("red");
            //this.AddToStack(image.ReduceDomain(region).Threshold(new HTuple(128), new HTuple(255)));
            //展示并清空stack
            this.DisplayResults();
        }

        private void Form2_Load(object sender, EventArgs e)
        {
            //图片
            image = new HImage("fabrik");
            image.GetImageSize(out HTuple width, out HTuple height);
            window.SetPart(0, 0, height.I - 1, width.I - 1);
            window.AttachBackgroundToWindow(image);
            //
            //this.AttachDrawingObj(selected_drawing_object);
        }

        private void AttachDrawingObj(HDrawingObject obj)
        {
            //list添加
            list.Add(obj);
            //
            obj.OnAttach(ProcessMethod);
            obj.OnSelect(OnSelectDrawingObject);
            obj.OnDrag(ProcessMethod);
            obj.OnResize(ProcessMethod);
            //
            window.AttachDrawingObjectToWindow(obj);

        }

        private void button2_Click(object sender, EventArgs e)
        {
            HDrawingObject rec2 = HDrawingObject.CreateDrawingObject(HDrawingObject.HDrawingObjectType.RECTANGLE2,
                100, 100, 0, 100, 50);
            this.AttachDrawingObj(rec2);
        }

        private void button3_Click(object sender, EventArgs e)
        {
            HDrawingObject circle = HDrawingObject.CreateDrawingObject(HDrawingObject.HDrawingObjectType.CIRCLE,
                200, 200, 70);
            this.AttachDrawingObj(circle);
        }

        private void button4_Click(object sender, EventArgs e)
        {
            lock (stack_lock)
            {
                foreach (HDrawingObject dobj in list)
                {
                    dobj.ClearDrawingObject();
                    dobj.Dispose();
                }
                list.Clear();
                //graphic_stack.Clear();
            }
            DisplayGraphicStack();
        }

        private void button5_Click(object sender, EventArgs e)
        {
            HObject region = selected_drawing_object.GetDrawingObjectIconic();
            AddToStack(region);

            lock (stack_lock)
            {
                foreach (HDrawingObject dobj in list)
                {
                    dobj.ClearDrawingObject();
                    dobj.Dispose();
                }
                list.Clear();
                //graphic_stack.Clear();
            }
            DisplayGraphicStack();
        }
    }
}