Beispiel #1
0
        private void SetPathUsingMapping(PathGeometry path)
        {
            SceneViewModel viewModel = this.targetElement.ViewModel;

            using (viewModel.AnimationProxyManager != null ? viewModel.AnimationProxyManager.ExpandAllProxiesInActiveContainer() : (IDisposable)null)
            {
                foreach (PathAction action in this.changeList.Changes)
                {
                    System.Windows.Media.Geometry geometry = this.targetElement.GetLocalOrDefaultValueAsWpf((IPropertyId)this.pathProperty) as System.Windows.Media.Geometry;
                    if (geometry == null && this.targetElement.IsValueExpression((IPropertyId)this.pathProperty))
                    {
                        geometry = this.targetElement.ViewModel.DefaultView.ConvertToWpfValue(this.targetElement.ViewModel.CreateInstance(this.targetElement.GetLocalValueAsSceneNode((IPropertyId)this.pathProperty).DocumentNodePath)) as System.Windows.Media.Geometry;
                        if (geometry == null)
                        {
                            geometry = this.targetElement.GetComputedValueAsWpf((IPropertyId)this.pathProperty) as System.Windows.Media.Geometry;
                            if (geometry == null)
                            {
                                return;
                            }
                        }
                    }
                    PathGeometry oldGeometry = new PathGeometry();
                    oldGeometry.AddGeometry(geometry.Clone());
                    PathGeometry pathGeometry = new PathGeometry();
                    pathGeometry.AddGeometry(geometry);
                    PathFigureEditor   pathFigureEditor   = new PathFigureEditor(pathGeometry.Figures[action.Figure]);
                    PathGeometryEditor pathGeometryEditor = new PathGeometryEditor(pathGeometry);
                    switch (action.Action)
                    {
                    case PathActionType.InsertPoint:
                        pathFigureEditor.SubdivideSegment(action.PointIndex, action.Parameter);
                        break;

                    case PathActionType.DeletePoint:
                        pathFigureEditor.RemovePoint(action.PointIndex);
                        break;

                    case PathActionType.DeleteSegment:
                        if (action.Segment == 0 && pathFigureEditor.PathFigure.Segments.Count > 1)
                        {
                            pathFigureEditor.RemoveFirstSegment();
                            break;
                        }
                        pathFigureEditor.RemoveLastSegment();
                        break;

                    case PathActionType.PromoteSegment:
                        pathFigureEditor.PromoteSegment(action.PointIndex);
                        break;

                    case PathActionType.Rotate:
                        pathFigureEditor.Rotate();
                        break;

                    case PathActionType.Open:
                        pathFigureEditor.Open(action.PointIndex);
                        break;

                    case PathActionType.Split:
                        pathFigureEditor.Split(action.PointIndex);
                        break;

                    case PathActionType.SplitAndAdd:
                        pathGeometryEditor.SplitFigure(action.Figure, action.PointIndex);
                        break;

                    case PathActionType.RemoveFigure:
                        pathGeometryEditor.RemoveFigure(action.Figure);
                        break;

                    case PathActionType.AppendSegment:
                        PathAppendLineAction appendLineAction;
                        if ((appendLineAction = action as PathAppendLineAction) != null)
                        {
                            Point point = appendLineAction.Point;
                            if (action.Figure < path.Figures.Count && action.Segment < path.Figures[action.Figure].Segments.Count)
                            {
                                LineSegment lineSegment = path.Figures[action.Figure].Segments[action.Segment] as LineSegment;
                                if (lineSegment != null)
                                {
                                    point = lineSegment.Point;
                                }
                            }
                            pathFigureEditor.LineTo(point);
                            break;
                        }
                        PathAppendQuadraticBezierAction quadraticBezierAction;
                        if ((quadraticBezierAction = action as PathAppendQuadraticBezierAction) != null)
                        {
                            Point point1 = quadraticBezierAction.Point1;
                            Point point2 = quadraticBezierAction.Point2;
                            if (action.Figure < path.Figures.Count && action.Segment < path.Figures[action.Figure].Segments.Count)
                            {
                                QuadraticBezierSegment quadraticBezierSegment = path.Figures[action.Figure].Segments[action.Segment] as QuadraticBezierSegment;
                                if (quadraticBezierSegment != null)
                                {
                                    point1 = quadraticBezierSegment.Point1;
                                    point2 = quadraticBezierSegment.Point2;
                                }
                            }
                            pathFigureEditor.QuadraticCurveTo(point1, point2);
                            break;
                        }
                        PathAppendBezierAction appendBezierAction;
                        if ((appendBezierAction = action as PathAppendBezierAction) != null)
                        {
                            Point point1 = appendBezierAction.Point1;
                            Point point2 = appendBezierAction.Point2;
                            Point point3 = appendBezierAction.Point3;
                            if (action.Figure < path.Figures.Count && action.Segment < path.Figures[action.Figure].Segments.Count)
                            {
                                BezierSegment bezierSegment = path.Figures[action.Figure].Segments[action.Segment] as BezierSegment;
                                if (bezierSegment != null)
                                {
                                    point1 = bezierSegment.Point1;
                                    point2 = bezierSegment.Point2;
                                    point3 = bezierSegment.Point3;
                                }
                            }
                            pathFigureEditor.CubicCurveTo(point1, point2, point3);
                            break;
                        }
                        break;

                    case PathActionType.Close:
                        pathFigureEditor.CloseWithLineSegment();
                        break;

                    case PathActionType.Join:
                        pathGeometryEditor.JoinFigure(action.Figure, action.PointIndex);
                        break;

                    case PathActionType.Reverse:
                        pathFigureEditor.Reverse();
                        break;
                    }
                    this.targetElement.SetLocalValueAsWpf((IPropertyId)this.pathProperty, (object)pathGeometry);
                    this.ApplyAnimationChanges(oldGeometry, pathGeometry, action);
                    if (action.Action == PathActionType.PromoteSegment && action.Segment < pathGeometry.Figures[action.Figure].Segments.Count)
                    {
                        this.targetElement.ViewModel.Document.OnUpdatedEditTransaction();
                        this.SetKeyframesForSegment(path, action.Figure, action.Segment);
                    }
                }
                this.RemoveInvalidAnimations(PathGeometryUtilities.GetPathGeometryFromGeometry((System.Windows.Media.Geometry) this.targetElement.GetLocalOrDefaultValueAsWpf((IPropertyId)this.pathProperty)));
            }
        }