MARKUS

            {

                this.pageNavigator.PageChanging += pageNavigator_PageChanging;

                imageViewer_Compare = new Image();

                layerControl.ProjectNo = App.ViewInfo.ProjectNO;

                ViewerDataModel.Instance.Capture_Opacity = 0;

            ViewerDataModel.Instance.PageNumber = BalancePoint;

            var uri = String.Format(Properties.Settings.Default.mainServerImageWebPath, _ViewInfo.ProjectNO, (Convert.ToInt32(_ViewInfo.DocumentItemID) / 100).ToString(), _ViewInfo.DocumentItemID, e.PageNumber);

            var defaultBitmapImage = new BitmapImage(new Uri(uri));

            //}

            if ((mouseButtonDown == MouseButton.Middle) || (mouseButtonDown == MouseButton.Right))

            {

                Point currentCanvasDrawingMouseMovePoint = e.GetPosition(drawingRotateCanvas);

                Point currentCanvasZoomPanningMouseMovePoint = e.GetPosition(zoomAndPanCanvas);

                                            control.TopRightPoint = new Point(setpoint.X, control.TopRightPoint.Y);

                                            control.EndPoint = new Point(setpoint.X, setpoint.Y);

                                        }

                                        control.PointSet = new List<Point>

                                        {

                                            control.StartPoint,

                                            ViewerDataModel.Instance.AngleValue = MathSet.returnAngleString(control.StartPoint, ref tempPoint, false);

                                        }

                                        {

                                            control.StartPoint,

                                            control.EndPoint,

                                    if (ViewerDataModel.Instance.checkAxis || ViewerDataModel.Instance.IsPressShift)

                                    {

                                        //var AngleValue = MathSet.returnAngleString(control.StartPoint, ref tempPoint, true);

                                        control.PointSet[control.PointSet.Count - 1] = tempPoint;

                                        //control.EndPoint = tempPoint;

                                    }

                            break;

                        case ControlType.PolygonControl:

                            {

                                var control = currentControl as PolygonControl;

                                if (control != null)

            //선택 중

            else if (mouseHandlingMode == MouseHandlingMode.Selecting)

            {

                dragSelectionBorder.Visibility = Visibility.Visible;

            }

            else

                dragCaptureBorder.Height = height;

            }

            //선택 중

            {

                Canvas.SetLeft(dragSelectionBorder, x);

                Canvas.SetTop(dragSelectionBorder, y);

            var text_item = ViewerDataModel.Instance.MarkupControls_USER.Where(data =>

            (data as TextControl) != null && (data as TextControl).Text == "" || (data as ArrowTextControl) != null && (data as ArrowTextControl).ArrowText == "").FirstOrDefault();

            {

                ViewerDataModel.Instance.MarkupControls_USER.Remove(text_item);

            }

            mouseButtonDown = e.ChangedButton;

            /// complete drawing text control when user click mouse right button - 2018.05.14 added by humkyung

            {

                var text_item_ = ViewerDataModel.Instance.MarkupControls_USER.Where(data => (data as TextControl) != null && (data as TextControl).Base_TextBox.Visibility == Visibility.Visible).FirstOrDefault();

                if (text_item_ != null)

                    (text_item_ as TextControl).Base_TextBox.Visibility = Visibility.Collapsed;

                    (text_item_ as TextControl).IsEditing = false;

                    (text_item_ as TextControl).EnableEditing = false;

                }

                var Arrowtext_item_ = ViewerDataModel.Instance.MarkupControls_USER.Where(data => (data as ArrowTextControl) != null && (data as ArrowTextControl).IsEditingMode == true).FirstOrDefault();

                {

                    (Arrowtext_item_ as ArrowTextControl).IsEditingMode = false;

                    (Arrowtext_item_ as ArrowTextControl).Base_TextBox.Focusable = false;

                }

            }

            {

                (e.OriginalSource as System.Windows.Controls.Image).Focus();

            }

            if (mouseButtonDown == MouseButton.Left)

            {

                canvasDrawingMouseDownPoint = e.GetPosition(drawingRotateCanvas);

                            }

                            ViewerDataModel.Instance.TextSize = (control as TextControl).TextSize;

                            ViewerDataModel.Instance.checkHighlight = (control as TextControl).IsHighLight;

                        }

                        else if ((control as ArrowTextControl) != null)

                        {

                    //Control_Init(control);

                    //강인구 폰트 변경 보류

                                    CreateControl();

                                }

                            }

                        }

                                    (currentControl as TextControl).IsHighLight = ViewerDataModel.Instance.checkHighShape;

                                    CreateControl();

                                }

                            }

                        }

                                    (currentControl as TextControl).IsHighLight = ViewerDataModel.Instance.checkHighShape;

                                    CreateControl();

                                }

                            }

                        }

                e.Handled = true;

            }

        }

        private void RemoveLineStroke(Point P)

        {

            var control = ViewerDataModel.Instance.MarkupControls_USER.Where(data => data.IsMouseOver).FirstOrDefault();

                    ViewerDataModel.Instance.UndoDataList.Remove(i);

                });

                ViewerDataModel.Instance.UndoDataList.Add(UndoData);

            }

        }

                            layerControl.markupParse(markupitem.Data, Common.ViewerDataModel.Instance.MarkupControls_Sync, item.DisplayColor, "", item.MarkupInfoID);

                        });

                    }

                    //강인구 추가

                    zoomAndPanControl2.ZoomTo(new Rect

                    {

                            {

                                (item.Markup as IDashControl).DashSize = redo.DashSize;

                            }

                            {

                                (item.Markup as LineControl).Interval = redo.Interval;

                            }

        /// <param name="EndP"></param>

        /// <returns></returns>

        /// <history>humkyung 2018.05.11 apply axis lock</history>

        {

            List<Point> res = new List<Point>();

            double dx = EndP.X - StartP.X;

            double dy = EndP.Y - StartP.Y;

            double length = Math.Sqrt(dx * dx + dy * dy);

            dx /= length;

            dy /= length;

            double tmp = dx;