MARKUS

using System;

using System.Net;

using System.Windows;

using System.Windows.Controls;

using System.Windows.Documents;

using System.Windows.Ink;

using System.Windows.Input;

using System.Windows.Media;

using System.Windows.Media.Animation;

using System.Windows.Shapes;

using System.Collections.Generic;

using System.ComponentModel;

using System.Linq;

using MarkupToPDF.Controls.Common;

using MarkupToPDF.Common;

using MarkupToPDF.Serialize.Core;

using MarkupToPDF.Serialize.S_Control;

using System.Windows.Media.Imaging;

using MarkupToPDF.Controls.Shape;

using System.Security.Policy;

namespace MarkupToPDF.Controls.Etc

{

    [TemplatePart(Name = "PART_Image", Type = typeof(Image))]

    public class ImgControl : CommentUserInfo, IDisposable, INormal, INotifyPropertyChanged, IViewBox, IMarkupCommonData

    {

        #region 초기선언

        private const string PART_Image = "PART_Image";

        public Image Base_Image = null;

        #endregion

        static ImgControl()

        {

            DefaultStyleKeyProperty.OverrideMetadata(typeof(ImgControl), new FrameworkPropertyMetadata(typeof(ImgControl)));

            //Application.Current.Resources.MergedDictionaries.Add(Application.LoadComponent(new Uri("/MarkupToPDF;Component/Themes/generic.xaml")) as ResourceDictionary);

            //ResourceDictionary dictionary = new ResourceDictionary();

            //dictionary.Source = new Uri("/MarkupToPDF;component/themes/generic.xaml", UriKind.RelativeOrAbsolute);

            //Application.Current.Resources.MergedDictionaries.Add(dictionary);

             //System.Diagnostics.Debug.WriteLine("resource Count :" + Application.Current.Resources.MergedDictionaries.Count);

        }

        public ImgControl()

        {

            //this.DefaultStyleKey = typeof(ImgControl);

        }

        public override void Copy(CommentUserInfo lhs)

        {

            if(lhs is ImgControl imgControl)

            {

                this.CommentAngle = imgControl.CommentAngle;

                this.StartPoint = new Point(imgControl.StartPoint.X, imgControl.StartPoint.Y);

                this.TopRightPoint = new Point(imgControl.TopRightPoint.X, imgControl.TopRightPoint.Y);

                this.EndPoint = new Point(imgControl.EndPoint.X, imgControl.EndPoint.Y);

                this.LeftBottomPoint = new Point(imgControl.LeftBottomPoint.X, imgControl.LeftBottomPoint.Y);

                this.PointSet = imgControl.PointSet.ConvertAll(x => new Point(x.X, x.Y));

                this.Opacity = imgControl.Opacity;

                this.FilePath = imgControl.FilePath;

                this.UserID = imgControl.UserID;

                this.ImageData = imgControl.ImageData;

                this.Memo = imgControl.Memo;

                this.ZIndex = imgControl.ZIndex;

            }

        }

        public override CommentUserInfo Clone()

        {

            var clone = new ImgControl();

            clone.Copy(this);

            return clone;

        }

        public void Dispose()

        {

            //GC.Collect();

            ////GC.SuppressFinalize(this);

            this.Base_Image = null;

        }

        public event PropertyChangedEventHandler PropertyChanged;

        protected void OnPropertyChanged(string propName)

        {

            if (PropertyChanged != null)

                PropertyChanged(this, new PropertyChangedEventArgs(propName));

        }

        public override void ApplyOverViewData()

        {

            this.OverViewPathData = this.PathData;

        }

        #region Dependency Properties

        public static readonly DependencyProperty IsSelectedProperty =

            DependencyProperty.Register("IsSelected", typeof(bool), typeof(ImgControl), new FrameworkPropertyMetadata(false, IsSelectedChanged));

        public static readonly DependencyProperty ControlTypeProperty =

            DependencyProperty.Register("ControlType", typeof(ControlType), typeof(ImgControl), new FrameworkPropertyMetadata(ControlType.ImgControl));

        public static readonly DependencyProperty PathDataProperty = DependencyProperty.Register(

       "PathData", typeof(Geometry), typeof(ImgControl), null);

        public static readonly DependencyProperty OverViewPathDataProperty = DependencyProperty.Register(

        "OverViewPathData", typeof(Geometry), typeof(ImgControl), null);

        public static readonly DependencyProperty ImageDataProperty = DependencyProperty.Register(

            "ImageData", typeof(ImageSource), typeof(ImgControl), new PropertyMetadata(null));

        public static readonly DependencyProperty UserIDProperty = DependencyProperty.Register(

            "UserID", typeof(string), typeof(ImgControl), new PropertyMetadata(null));

        public static readonly DependencyProperty FilePathProperty = DependencyProperty.Register(

            "FilePath", typeof(string), typeof(ImgControl), new PropertyMetadata(null));

        public static readonly DependencyProperty StartPointProperty = DependencyProperty.Register(

            "StartPoint", typeof(Point), typeof(ImgControl), new PropertyMetadata(new Point(0, 0), PointValueChanged));

        public static readonly DependencyProperty EndPointProperty = DependencyProperty.Register(

            "EndPoint", typeof(Point), typeof(ImgControl), new PropertyMetadata(new Point(100, 100), PointValueChanged));

        public static readonly DependencyProperty PointSetProperty = DependencyProperty.Register(

            "PointSet", typeof(List<Point>), typeof(ImgControl), new PropertyMetadata(new List<Point>()));

        public static readonly DependencyProperty TopRightPointProperty = DependencyProperty.Register(

             "TopRightPoint", typeof(Point), typeof(ImgControl), new PropertyMetadata(new Point(0, 0), PointValueChanged));

        public static readonly DependencyProperty LeftBottomPointProperty = DependencyProperty.Register(

              "LeftBottomPoint", typeof(Point), typeof(ImgControl), new PropertyMetadata(new Point(0, 0), PointValueChanged));

        public static readonly DependencyProperty AngleProperty = DependencyProperty.Register("Angle", typeof(double), typeof(ImgControl),

                        new PropertyMetadata((double)0.0, new PropertyChangedCallback(AngleValueChanged)));

        public static readonly DependencyProperty CenterXProperty = DependencyProperty.Register("CenterX", typeof(double), typeof(ImgControl),

                        new PropertyMetadata((double)0, OnCenterXYChanged));

        public static readonly DependencyProperty CenterYProperty = DependencyProperty.Register("CenterY", typeof(double), typeof(ImgControl),

                        new PropertyMetadata((double)0, OnCenterXYChanged));

        #endregion

        #region PropertyChanged Method

        public static void IsSelectedChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)

        {

            //var instance = (ImgControl)sender;

            //if (e.OldValue != e.NewValue && instance.Base_Image != null)

            //{

            //    instance.SetValue(e.Property, e.NewValue);

            //    if (instance.IsSelected)

            //    {

            //        //instance.Base_Image.Stroke = new SolidColorBrush(Colors.Blue);

            //    }

            //    else

            //    {

            //        //instance.Base_Image.Stroke = new SolidColorBrush(Colors.Red);

            //    }

            //}

        }

        public static void PointValueChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)

        {

            var instance = (ImgControl)sender;

            if (e.OldValue != e.NewValue && instance.Base_Image != null)

            {

                instance.SetValue(e.Property, e.NewValue);

                instance.SetImage();

            }

        }

        public static void OnCenterXYChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)

        {

            var instance = (ImgControl)sender;

            if (e.OldValue != e.NewValue && instance.Base_Image != null)

            {

                instance.SetValue(e.Property, e.NewValue);

                instance.SetImage();

            }

        }

        public static void AngleValueChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)

        {

            var instance = (ImgControl)sender;

            if (e.OldValue != e.NewValue && instance.Base_Image != null)

            {

                instance.SetValue(e.Property, e.NewValue);

                instance.SetImage();

            }

        }

        #endregion

        #region Properties

        public double CenterX

        {

            get { return (double)GetValue(CenterXProperty); }

            set { SetValue(CenterXProperty, value); }

        }

        public string UserID

        {

            get { return (string)GetValue(UserIDProperty); }

            set

            {

                if (this.UserID != value)

                {

                    SetValue(UserIDProperty, value);

                    OnPropertyChanged("UserID");

                }

            }

        }

        public double CenterY

        {

            get { return (double)GetValue(CenterYProperty); }

            set { SetValue(CenterYProperty, value); }

        }

        public string FilePath

        {

            get { return (string)GetValue(FilePathProperty); }

            set { SetValue(FilePathProperty, value); }

        }

        public Point EndPoint

        {

            get { return (Point)GetValue(EndPointProperty); }

            set

            {

                if (this.EndPoint != value)

                {

                    SetValue(EndPointProperty, value);

                    OnPropertyChanged("EndPoint");

                }

            }

        }

        public List<Point> PointSet

        {

            get { return (List<Point>)GetValue(PointSetProperty); }

            set { SetValue(PointSetProperty, value); }

        }

        public Point StartPoint

        {

            get { return (Point)GetValue(StartPointProperty); }

            set

            {

                if (this.StartPoint != value)

                {

                    SetValue(StartPointProperty, value);

                    OnPropertyChanged("StartPoint");

                }

            }

        }

        public Point TopRightPoint

        {

            get { return (Point)GetValue(TopRightPointProperty); }

            set

            {

                SetValue(TopRightPointProperty, value);

                OnPropertyChanged("TopRightPoint");

            }

        }

        public Point LeftBottomPoint

        {

            get { return (Point)GetValue(LeftBottomPointProperty); }

            set

            {

                SetValue(LeftBottomPointProperty, value);

                OnPropertyChanged("LeftBottomPoint");

            }

        }

        public override double CommentAngle

        {

            get { return (double)GetValue(AngleProperty); }

            set

            {

                if (this.CommentAngle != value)

                {

                    SetValue(AngleProperty, value);

                }

            }

        }

        public ImageSource ImageData

        {

            get { return (ImageSource)this.GetValue(ImageDataProperty); }

            set { this.SetValue(ImageDataProperty, value); }

        }

         public override bool IsSelected

        {

            get

            {

                return (bool)GetValue(IsSelectedProperty);

            }

            set

            {

                SetValue(IsSelectedProperty, value);

                //OnPropertyChanged("IsSelected");

            }

        }

        public override ControlType ControlType

        {

            set

            {

                SetValue(ControlTypeProperty, value);

                OnPropertyChanged("ControlType");

            }

            get

            {

                return (ControlType)GetValue(ControlTypeProperty);

            }

        }

        public Geometry OverViewPathData

        {

            get { return (Geometry)GetValue(OverViewPathDataProperty); }

            set

            {

                SetValue(OverViewPathDataProperty, value);

                OnPropertyChanged("OverViewPathData");

            }

        }

        #endregion

        public override void OnApplyTemplate()

        {

            base.OnApplyTemplate();

            Base_Image = GetTemplateChild(PART_Image) as Image;

            Base_Image.Width = 0;

            Base_Image.Height = 0;

            SetImage();

        }

        public void SetImage()

        {

            this.ApplyTemplate();

            Point mid = MathSet.FindCentroid(new List<Point>()

            {

                this.StartPoint,

                this.LeftBottomPoint,

                this.EndPoint,

                this.TopRightPoint,                

            });

            double AngleData = this.CommentAngle * -1;

            PathFigure pathFigure = new PathFigure();

            pathFigure.StartPoint = MathSet.RotateAbout(mid, this.StartPoint, AngleData);

            LineSegment lineSegment0 = new LineSegment();

            lineSegment0.Point = MathSet.RotateAbout(mid, this.StartPoint, AngleData);

            pathFigure.Segments.Add(lineSegment0);

            LineSegment lineSegment1 = new LineSegment();

            lineSegment1.Point = MathSet.RotateAbout(mid, this.LeftBottomPoint, AngleData);

            pathFigure.Segments.Add(lineSegment1);

            LineSegment lineSegment2 = new LineSegment();

            lineSegment2.Point = MathSet.RotateAbout(mid, this.EndPoint, AngleData);

            pathFigure.Segments.Add(lineSegment2);

            LineSegment lineSegment3 = new LineSegment();

            lineSegment3.Point = MathSet.RotateAbout(mid, this.TopRightPoint, AngleData);

            pathFigure.Segments.Add(lineSegment3);

            PathGeometry pathGeometry = new PathGeometry();

            pathGeometry.Figures = new PathFigureCollection();

            pathFigure.IsClosed = true;

            pathGeometry.Figures.Add(pathFigure);

            this.Base_Image.Width = pathGeometry.Bounds.Width;

            this.Base_Image.Height = pathGeometry.Bounds.Height;

             this.Tag = pathGeometry;

            Canvas.SetLeft(this, MathSet.RotateAbout(mid, mid, AngleData).X - this.Base_Image.Width / 2);

            Canvas.SetTop(this, MathSet.RotateAbout(mid, mid, AngleData).Y - this.Base_Image.Height / 2);

            this.PathData = pathGeometry;

            ApplyOverViewData();

        }

        public override void UpdateControl()

        {

            this.StartPoint = new Point(this.PointSet[0].X, this.PointSet[0].Y);

            this.LeftBottomPoint = new Point(this.PointSet[1].X, this.PointSet[1].Y);

            this.TopRightPoint = new Point(this.PointSet[3].X, this.PointSet[3].Y);

            this.EndPoint = new Point(this.PointSet[2].X, this.PointSet[2].Y);

        }

        public double LineSize { get; set; }

        public Geometry PathData { get; set; }

        /// <summary>

        /// call when mouse is moving while drawing control

        /// </summary>

        /// <param name="pt"></param>

        /// <param name="bAxisLocked"></param>

        public override void OnCreatingMouseMove(Point pt, bool bAxisLocked)

        {

            if (bAxisLocked)

            {

                double _dx = pt.X - this.StartPoint.X;

                double _dy = pt.Y - this.StartPoint.Y;

                double dist = Math.Max(Math.Abs(_dx), Math.Abs(_dy));

                var dir = new Vector(_dx, _dy);

                dir.Normalize();

                this.LeftBottomPoint = new Point(this.StartPoint.X, this.StartPoint.Y + (dir.Y > 0 ? 1 : -1) * dist);

                this.TopRightPoint = new Point(this.StartPoint.X + (dir.X > 0 ? 1 : -1) * dist, this.StartPoint.Y);

                this.EndPoint = new Point(this.TopRightPoint.X, this.LeftBottomPoint.Y);

            }

            else

            {

                this.EndPoint = pt;

                this.LeftBottomPoint = new Point(this.StartPoint.X, this.EndPoint.Y);

                this.TopRightPoint = new Point(this.EndPoint.X, this.StartPoint.Y);

            }

            this.PointSet = new List<Point>

            {

                this.StartPoint,

                this.LeftBottomPoint,

                this.EndPoint,

                this.TopRightPoint,

            };

        }

        /// <summary>

        /// move control point has same location of given pt along given delta

        /// </summary>

        /// <author>humkyung</author>

        /// <date>2019.06.20</date>

        /// <param name="pt"></param>

        /// <param name="dx"></param>

        /// <param name="dy"></param>

        public override void OnMoveCtrlPoint(Point pt, double dx, double dy, bool bAxisLocked = false)

        {

            IPath path = (this as IPath);

            Point selected = MathSet.getNearPoint(path.PointSet, pt);

            selected.X += dx;

            selected.Y += dy;

            int idx = (this as IPath).PointSet.FindIndex(x => x.Equals(pt));

            var OppositeP = (idx + path.PointSet.Count / 2) % path.PointSet.Count;

            var PreviousP = (idx + (path.PointSet.Count - 1)) % path.PointSet.Count;

            var NextP = (idx + 1) % path.PointSet.Count;

            if (bAxisLocked)

            {

                var PrevV = path.PointSet[PreviousP] - path.PointSet[OppositeP];

                double PrevLength = PrevV.Length;

                PrevV.Normalize();

                var NextV = path.PointSet[NextP] - path.PointSet[OppositeP];

                double NextVLength = NextV.Length;

                NextV.Normalize();

                double _dx = selected.X - path.PointSet[OppositeP].X;

                double _dy = selected.Y - path.PointSet[OppositeP].Y;

                var dir = new Vector(_dx, _dy);

                if (PrevLength > NextVLength)

                {

                    double ratio = NextVLength / PrevLength;

                    double dot = MathSet.DotProduct(PrevV.X, PrevV.Y, dir.X, dir.Y);

                    path.PointSet[PreviousP] = path.PointSet[OppositeP] + PrevV * dot;

                    path.PointSet[NextP] = path.PointSet[OppositeP] + NextV * dot * ratio;

                    path.PointSet[idx] = path.PointSet[OppositeP] + PrevV * dot + NextV * dot * ratio;

                }

                else

                {

                    double ratio = PrevLength / NextVLength;

                    double dot = MathSet.DotProduct(NextV.X, NextV.Y, dir.X, dir.Y);

                    path.PointSet[PreviousP] = path.PointSet[OppositeP] + PrevV * dot * ratio;

                    path.PointSet[NextP] = path.PointSet[OppositeP] + NextV * dot;

                    path.PointSet[idx] = path.PointSet[OppositeP] + PrevV * dot * ratio + NextV * dot;

                }

            }

            else

            {

                var PreviousV = MathSet.GetNormVectorBetween(path.PointSet[OppositeP], path.PointSet[PreviousP]);

                var l = MathSet.DotProduct(PreviousV.X, PreviousV.Y, path.PointSet[idx].X - path.PointSet[OppositeP].X,

                    path.PointSet[idx].Y - path.PointSet[OppositeP].Y);

                path.PointSet[PreviousP] = new Point(path.PointSet[OppositeP].X + PreviousV.X * l, path.PointSet[OppositeP].Y + PreviousV.Y * l);

                var NextV = MathSet.GetNormVectorBetween(path.PointSet[OppositeP], path.PointSet[NextP]);

                l = MathSet.DotProduct(NextV.X, NextV.Y, path.PointSet[idx].X - path.PointSet[OppositeP].X, path.PointSet

                    [idx].Y - path.PointSet[OppositeP].Y);

                path.PointSet[NextP] = new Point(path.PointSet[OppositeP].X + NextV.X * l, path.PointSet[OppositeP].Y + NextV.Y * l);

                path.PointSet[idx] = selected;

            }

            this.UpdateControl();

        }

        /// <summary>

        /// return ImgControl's area

        /// </summary>

        /// <author>humkyung</author>

        /// <date>2019.06.13</date>

        public override Rect ItemRect

        {

            get

            {

                double dMinX = Math.Min(this.StartPoint.X, this.EndPoint.X);

                double dMinY = Math.Min(this.StartPoint.Y, this.EndPoint.Y);

                double dMaxX = Math.Max(this.StartPoint.X, this.EndPoint.X);

                double dMaxY = Math.Max(this.StartPoint.Y, this.EndPoint.Y);

                return new Rect(new Point(dMinX, dMinY), new Point(dMaxX, dMaxY));

            }

        }

        /// <summary>

        /// Serialize this

        /// </summary>

        /// <param name="sUserId"></param>

        /// <returns></returns>

        public override string Serialize()

        {

            using (S_ImgControl ctrl = new S_ImgControl())

            {

                ctrl.Angle = this.CommentAngle;

                ctrl.EndPoint = this.EndPoint;

                ctrl.LB = this.LeftBottomPoint;

                ctrl.Name = this.GetType().Name;

                ctrl.PointSet = this.PointSet;

                ctrl.StartPoint = this.StartPoint;

                ctrl.UserID = this.UserID;

                ctrl.Opac = this.Opacity;

                ctrl.TR = this.TopRightPoint;

                ctrl.ImagePath = this.FilePath;

                ///강인구 추가(2017.11.02)

                ///Memo 추가

                ctrl.Memo = this.Memo;

                ctrl.ZIndex = this.ZIndex;

                return "|DZ|" + JsonSerializerHelper.CompressString((ctrl.JsonSerialize()));

            }

        }

        /// <summary>

        /// create a imgcontrol from given string

        /// </summary>

        /// <param name="str"></param>

        /// <returns></returns>

        public static ImgControl FromString(string str, SolidColorBrush brush, string sProjectNo, string baseUri)

        {

            ImgControl instance = null;

            using (S_ImgControl s = JsonSerializerHelper.JsonDeserialize<S_ImgControl>(str))

            {

                UriBuilder downloadUri = new UriBuilder(baseUri);

                UriBuilder uri = new UriBuilder(s.ImagePath);

                uri.Host = downloadUri.Host;

                uri.Port = downloadUri.Port;

                Image img = new Image();

                if (s.ImagePath.Contains(".svg"))

                {

                    SharpVectors.Converters.SvgImageExtension svgImage = new SharpVectors.Converters.SvgImageExtension(uri.ToString());

                    var svg = svgImage.ProvideValue(null);

                    img.Source = (DrawingImage)svg;

                }

                else

                {

                    img.Source = new BitmapImage(uri.Uri);

                }

                instance = new ImgControl

                {

                    CommentAngle = s.Angle,

                    StartPoint = s.StartPoint,

                    TopRightPoint = s.TR,

                    EndPoint = s.EndPoint,

                    LeftBottomPoint = s.LB,

                    PointSet = s.PointSet,

                    Opacity = s.Opac,

                    FilePath = uri.Uri.ToString(),

                    UserID = s.UserID,

                    ImageData = img.Source,

                    Memo = s.Memo,

                    ZIndex = s.ZIndex

                };

                instance.ImageData = img.Source;

            }

            return instance;

        }

    }

}