Finally, We did it..... 100%

KyThuatDoHoa_Nhom9/Construct/_2DObject/Clock.cs

@@ -62,6 +62,7 @@ public class Clock : Shapes2DObject, INotifyPropertyChanged
                 if(value != _r) //change
                 {
                     _r = value;
+                    SetupClockwise(this.CurrentDatetime);
                     OnPropertyChanged("_r");
                 }
             }

KyThuatDoHoa_Nhom9/Construct/_2DObject/HinhChuNhat.cs

@@ -100,7 +100,11 @@ public void Rotate(Point p, double alpha)
         }
         public void Scale(SizeF scaleSize)
         {
-            throw new NotImplementedException();
+            this.A = this.A.Scale(scaleSize.Width);
+            this.B = this.B.Scale(scaleSize.Width);
+            this.C = this.C.Scale(scaleSize.Width);
+            this.D = this.D.Scale(scaleSize.Width);
+
         }
 
         public void Shifting(int dx, int dy)

KyThuatDoHoa_Nhom9/Construct/_2DObject/Timepiece.cs

@@ -108,7 +108,9 @@ protected void OnPropertyChanged(string PropertyName)
         public void Draw(Graphics g)
         {
             this.item_triangle.Draw(g, Color.Red);
+
             this.item_rectangle.Draw(g, Color.Blue);
+            //this.item_rectangle.Scale(new SizeF(2, 2));
             this.Item_clock.Draw(g);
             this.Item_pendulum.Draw(g);
 

KyThuatDoHoa_Nhom9/Construct/_2DObject/Transformations.cs

@@ -95,6 +95,24 @@ public static Point ConvertToPoint(this double[] matrix)
             return matrix;
         }
 
+        private static double[,] SetUpForMatrixScale(this double[,] matrix, double  x) 
+        {
+            if (matrix.Length == 0 || matrix == null)
+            {
+                matrix = new double[3, 3] {
+                   { 1, 0, 0},
+                   { 0, 1, 0},
+                   { 0, 0, 1}
+                };
+                return matrix;
+            }
+
+            matrix[0, 0] = x; matrix[0, 1] = 0; matrix[0, 2] = 0;
+            matrix[1, 0] = 0; matrix[1, 1] = x; matrix[1, 2] = 0;
+            matrix[2, 0] = 0; matrix[2, 1] =0 ; matrix[2, 2] = 1;
+            return matrix;
+        }
+
         /// <summary>
         /// Matrix Translation To Original Coordinate
         /// </summary>
@@ -170,6 +188,18 @@ public static Point Translate(this Point d1, int dx, int dy)
 
             return p;
         }
-
+
+        public static Point Scale(this Point d1, double x)
+        {
+            double[] arr = new double[3];
+            double[,] matrix = new double[3, 3];
+
+            arr = d1.ConvertToMatrix();
+            matrix = matrix.SetUpForMatrixScale(x);
+            Point p = GetNewPointByMulMatixs(matrix, arr);
+
+            return p;
+        }
+
     }
 }

KyThuatDoHoa_Nhom9/Construct/_3DObject/HinhTru.cs

@@ -76,7 +76,8 @@ public void DrawElip(Graphics g)
             Point point = ToaDo.NguoiDungMayTinh_3D(this.TamDay[2, 0], this.TamDay[2, 1], this.TamDay[2, 2]);
             point = ToaDo.MayTinhNguoiDung_3D(point);
 
-            int b = this.BanKinhDay / 3 ;// (int)Math.Sqrt(Math.Abs(Math.Pow(this.BanKinhDay, 2) * Math.Pow(point.Y, 2)/(Math.Pow(this.BanKinhDay,2)-Math.Pow(point.X,2))));
+            double d = this.BanKinhDay * (Math.Sqrt(2) / 2);
+            int b = (int)d;// this.BanKinhDay / 3 ;// (int)Math.Sqrt(Math.Abs(Math.Pow(this.BanKinhDay, 2) * Math.Pow(point.Y, 2)/(Math.Pow(this.BanKinhDay,2)-Math.Pow(point.X,2))));
             HinhElip hinhElip = new HinhElip(ToaDo.NguoiDungMayTinh_3D(this.TamDay[1, 0], this.TamDay[1, 1], this.TamDay[1, 2]), this.BanKinhDay, b,Color.Black);
             hinhElip.NetDut(g);
 

KyThuatDoHoa_Nhom9/UI/UserCtr/ClockProperties.cs

@@ -71,7 +71,9 @@ private void btn_ChangeTime_Click(object sender, EventArgs e)
 
         private void btn_Destroy_Click(object sender, EventArgs e)
         {
+
             this.Dispose();
+            OnPropertyChanged("Dispose");
         }
 
         private void btn_Hide_Click(object sender, EventArgs e)
@@ -84,6 +86,16 @@ private void button1_Click(object sender, EventArgs e)
             this.Visible = false;
         }
 
+        private void btn_ZoomIn_Click(object sender, EventArgs e)
+        {
+            OnPropertyChanged("ZoomIn");
+        }
+
+        private void btn_ZoomOut_Click(object sender, EventArgs e)
+        {
+            OnPropertyChanged("ZoomOut");
+        }
+
         public event PropertyChangedEventHandler PropertyChanged;
 
         protected void OnPropertyChanged(string PropertyName)

KyThuatDoHoa_Nhom9/UI/UserCtr/TimepieceProperties.cs

@@ -26,7 +26,7 @@ public TimepieceProperties()
 
         private void ClockProperties_PropertyChanged(object sender, PropertyChangedEventArgs e)
         {
-            OnPropertyChanged("timeChanged");
+            OnPropertyChanged(e.PropertyName);
         }
 
         public Point MainLocation { get => mainLocation;

KyThuatDoHoa_Nhom9/frm_Main.cs

@@ -478,7 +478,7 @@ private void Timepiece_PropertyChanged(object sender, PropertyChangedEventArgs e
         }
         private void TimepieceProperties_PropertyChanged(object sender, PropertyChangedEventArgs e)
         {
-            if (e.PropertyName.Equals("timeChanged"))
+            if (e.PropertyName.Equals("currentTime"))
             {
                 timepiece.Item_clock.CurrentDatetime = timepieceProperties.ClockProperties.CurrentTime;
             }
@@ -491,6 +491,14 @@ private void TimepieceProperties_PropertyChanged(object sender, PropertyChangedE
                 this.timepiece = null;
                 this.timepieceProperties = null;
             }
+            else if(e.PropertyName.Equals("ZoomIn"))
+            {
+                this.timepiece.Item_clock.R += 5;
+            }
+            else if(e.PropertyName.Equals("ZoomOut"))
+            {
+                this.timepiece.Item_clock.R -= 5;
+            }
         }
         #endregion
         private void Xe_PropertyChanged(object sender, PropertyChangedEventArgs e)
@@ -525,15 +533,31 @@ private void Clock_PropertyChanged(object sender, PropertyChangedEventArgs e)
             {
                 this.picb_2DArea.Refresh();
             }
-            clockProperties.CurrentTime = clock.CurrentDatetime;
-            clockProperties.HHours = clock.HHours;
-            clockProperties.HMinute = clock.HMinute;
-            clockProperties.HSecond = clock.HSecond;
+            if (clockProperties != null && clock != null)
+            {
+                clockProperties.CurrentTime = clock.CurrentDatetime;
+                clockProperties.HHours = clock.HHours;
+                clockProperties.HMinute = clock.HMinute;
+                clockProperties.HSecond = clock.HSecond;
+            }
         }
 
 
         private void ClockProperties_PropertyChanged(object sender, PropertyChangedEventArgs e)
         {
+            if (e.PropertyName.Equals("ZoomIn"))
+            {
+                clock.R += 5;
+            }
+            else if(e.PropertyName.Equals("ZoomOut"))
+            {
+                clock.R -= 5;
+            }
+            else if(e.PropertyName.Equals("Dispose"))
+            {
+                clock = null;
+                return;
+            }
             clock.CurrentDatetime = clockProperties.CurrentTime;
         }
         #endregion
@@ -852,7 +876,7 @@ private void Picb_3DArea_MouseMove(object sender, MouseEventArgs e)
         {
             Point p = e.Location;
 
-            label4.Text = p.ToString();
+
 
         }
 
@@ -988,6 +1012,14 @@ private void lbl_LocationInGird_Click(object sender, EventArgs e)
         {
 
         }
+
+        private void button21_Click_1(object sender, EventArgs e)
+        {
+            if(clock != null)
+            {
+                clock.R = 30;
+            }
+        }
     }