private PenAction GetAction(PathPartAdorner pathPartAdorner)
        {
            PenAction        penAction        = (PenAction)null;
            PathEditorTarget pathEditorTarget = pathPartAdorner.PathAdornerSet.PathEditorTarget;
            PathFigure       pathFigure       = pathEditorTarget.PathGeometry.Figures[pathPartAdorner.FigureIndex];

            for (int index1 = 0; index1 < pathFigure.Segments.Count; ++index1)
            {
                System.Windows.Media.PathSegment segment = pathFigure.Segments[index1];
                for (int index2 = 0; index2 < PathSegmentUtilities.GetPointCount(segment); ++index2)
                {
                    if (PathSegmentUtilities.GetPointKind(segment, index2) == PathPointKind.Arc)
                    {
                        return((PenAction)null);
                    }
                }
            }
            if (pathPartAdorner is PathPointAdorner)
            {
                penAction = (PenAction) new ConvertPointAction(pathEditorTarget, this.ActiveSceneViewModel);
            }
            else if (pathPartAdorner is PathTangentAdorner || pathPartAdorner is PenTangentAdorner)
            {
                penAction = (PenAction) new TangentDragAction(pathEditorTarget, this.ActiveSceneViewModel, pathPartAdorner is PenTangentAdorner);
            }
            else if (pathPartAdorner is PathSegmentAdorner)
            {
                penAction = (PenAction) new ConvertSegmentAction(pathEditorTarget, this.ActiveSceneViewModel);
            }
            return(penAction);
        }
Esempio n. 2
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        protected virtual void CreatePathAdorners(List <Adorner> oldAdornerList, List <Adorner> newAdornerList)
        {
            this.adornerCounts.Clear();
            this.adornerOffsets.Clear();
            PathPartSelectionSet      partSelectionSet = this.PathPartSelectionSet;
            List <PathPointAdorner>   list1            = new List <PathPointAdorner>();
            List <PathSegmentAdorner> list2            = new List <PathSegmentAdorner>();
            List <PathTangentAdorner> list3            = new List <PathTangentAdorner>();
            int index1 = 0;
            int index2 = 0;
            int index3 = 0;

            foreach (Adorner adorner in oldAdornerList)
            {
                PathPointAdorner pathPointAdorner;
                if ((pathPointAdorner = adorner as PathPointAdorner) != null)
                {
                    list1.Add(pathPointAdorner);
                }
                else
                {
                    PathSegmentAdorner pathSegmentAdorner;
                    if ((pathSegmentAdorner = adorner as PathSegmentAdorner) != null)
                    {
                        list2.Add(pathSegmentAdorner);
                    }
                    else
                    {
                        PathTangentAdorner pathTangentAdorner;
                        if ((pathTangentAdorner = adorner as PathTangentAdorner) != null)
                        {
                            list3.Add(pathTangentAdorner);
                        }
                    }
                }
            }
            for (int figureIndex = 0; figureIndex < this.PathGeometry.Figures.Count; ++figureIndex)
            {
                PathFigure       figure           = this.PathGeometry.Figures[figureIndex];
                PathFigureEditor pathFigureEditor = new PathFigureEditor(figure);
                this.adornerOffsets.Add((object)this.AdornerList.Count);
                int length1 = PathFigureUtilities.PointCount(figure);
                int length2 = length1 + (PathFigureUtilities.IsClosed(figure) ? true : false);
                PathSegmentAdorner[] pathSegmentAdornerArray = new PathSegmentAdorner[length2];
                PathPointKind[]      pathPointKindArray      = new PathPointKind[length2];
                pathPointKindArray[0] = pathFigureEditor.GetPointKind(0);
                int num1 = 1;
                for (int index4 = 0; index4 < figure.Segments.Count; ++index4)
                {
                    System.Windows.Media.PathSegment segment = figure.Segments[index4];
                    int pointCount = PathSegmentUtilities.GetPointCount(segment);
                    for (int index5 = 0; index5 < pointCount; ++index5)
                    {
                        pathPointKindArray[num1++] = PathSegmentUtilities.GetPointKind(segment, index5);
                    }
                }
                int index6 = 1;
                for (int segmentIndex = 0; segmentIndex < figure.Segments.Count; ++segmentIndex)
                {
                    int pointCount = PathSegmentUtilities.GetPointCount(figure.Segments[segmentIndex]);
                    for (int segmentPointIndex = 0; segmentPointIndex < pointCount; ++segmentPointIndex)
                    {
                        if (pathPointKindArray[index6] != PathPointKind.BezierHandle)
                        {
                            PathSegmentAdorner pathSegmentAdorner;
                            if (index2 < list2.Count)
                            {
                                pathSegmentAdorner = list2[index2];
                                pathSegmentAdorner.Initialize(figureIndex, index6 % length1, segmentIndex, segmentPointIndex);
                                oldAdornerList.Remove((Adorner)pathSegmentAdorner);
                                ++index2;
                            }
                            else
                            {
                                pathSegmentAdorner = new PathSegmentAdorner(this, figureIndex, index6 % length1, segmentIndex, segmentPointIndex);
                            }
                            if (partSelectionSet != null)
                            {
                                pathSegmentAdorner.IsActive = partSelectionSet.IsSelected((PathPart)(PathSegment)pathSegmentAdorner);
                            }
                            newAdornerList.Add((Adorner)pathSegmentAdorner);
                            pathSegmentAdornerArray[index6] = pathSegmentAdorner;
                        }
                        else
                        {
                            pathSegmentAdornerArray[index6] = (PathSegmentAdorner)null;
                        }
                        ++index6;
                    }
                }
                if (figure.IsClosed && figure.Segments.Count > 0)
                {
                    Point lastPoint = PathSegmentUtilities.GetLastPoint(figure.Segments[figure.Segments.Count - 1]);
                    if (!VectorUtilities.ArePathPointsVeryClose(figure.StartPoint, lastPoint))
                    {
                        PathSegmentAdorner pathSegmentAdorner;
                        if (index2 < list2.Count)
                        {
                            pathSegmentAdorner = list2[index2];
                            pathSegmentAdorner.Initialize(figureIndex, index6 % length1, -1, 0);
                            oldAdornerList.Remove((Adorner)pathSegmentAdorner);
                            ++index2;
                        }
                        else
                        {
                            pathSegmentAdorner = new PathSegmentAdorner(this, figureIndex, index6 % length1, -1, 0);
                        }
                        if (partSelectionSet != null)
                        {
                            pathSegmentAdorner.IsActive = partSelectionSet.IsSelected((PathPart)(PathSegment)pathSegmentAdorner);
                        }
                        newAdornerList.Add((Adorner)pathSegmentAdorner);
                        pathSegmentAdornerArray[index6] = pathSegmentAdorner;
                    }
                }
                this.adornerCounts.Add((object)(this.AdornerList.Count - (int)this.adornerOffsets[this.adornerOffsets.Count - 1]));
                this.adornerTypes.Add((object)PathPart.PartType.PathSegment);
                PathPointAdorner[] pathPointAdornerArray = new PathPointAdorner[length1];
                int index7 = 0;
                for (int segmentIndex = -1; segmentIndex < figure.Segments.Count; ++segmentIndex)
                {
                    int num2 = 1;
                    if (segmentIndex != -1)
                    {
                        num2 = PathSegmentUtilities.GetPointCount(figure.Segments[segmentIndex]);
                    }
                    for (int segmentPointIndex = 0; segmentPointIndex < num2 && index7 < length1; ++segmentPointIndex)
                    {
                        if (pathPointKindArray[index7] == PathPointKind.BezierHandle)
                        {
                            pathPointAdornerArray[index7] = (PathPointAdorner)null;
                        }
                        else
                        {
                            PathPointAdorner pathPointAdorner;
                            if (index1 < list1.Count)
                            {
                                pathPointAdorner = list1[index1];
                                pathPointAdorner.Initialize(figureIndex, index7, segmentIndex, segmentPointIndex);
                                oldAdornerList.Remove((Adorner)pathPointAdorner);
                                ++index1;
                            }
                            else
                            {
                                pathPointAdorner = new PathPointAdorner(this, figureIndex, index7, segmentIndex, segmentPointIndex);
                            }
                            pathPointAdornerArray[index7] = pathPointAdorner;
                            if (partSelectionSet != null)
                            {
                                pathPointAdornerArray[index7].IsActive = partSelectionSet.IsSelected((PathPart)(PathPoint)pathPointAdornerArray[index7]);
                            }
                        }
                        ++index7;
                    }
                }
                int endPointIndex = 0;
                for (int segmentIndex = -1; segmentIndex < figure.Segments.Count; ++segmentIndex)
                {
                    int num2 = 1;
                    if (segmentIndex != -1)
                    {
                        num2 = PathSegmentUtilities.GetPointCount(figure.Segments[segmentIndex]);
                    }
                    for (int segmentPointIndex = 0; segmentPointIndex < num2 && endPointIndex < length1; ++segmentPointIndex)
                    {
                        if (pathPointKindArray[endPointIndex] == PathPointKind.BezierHandle)
                        {
                            PathPointAdorner   pathPointAdorner   = (PathPointAdorner)null;
                            PathSegmentAdorner pathSegmentAdorner = (PathSegmentAdorner)null;
                            if (pathPointKindArray[endPointIndex] == PathPointKind.BezierHandle && endPointIndex + 2 < pathPointKindArray.Length && pathPointKindArray[endPointIndex + 2] == PathPointKind.Cubic)
                            {
                                pathPointAdorner   = pathPointAdornerArray[endPointIndex - 1];
                                pathSegmentAdorner = pathSegmentAdornerArray[endPointIndex + 2];
                            }
                            else if (pathPointKindArray[endPointIndex] == PathPointKind.BezierHandle && endPointIndex + 1 < pathPointKindArray.Length && pathPointKindArray[endPointIndex + 1] == PathPointKind.Cubic)
                            {
                                pathPointAdorner   = pathPointAdornerArray[(endPointIndex + 1) % length1];
                                pathSegmentAdorner = pathSegmentAdornerArray[endPointIndex + 1];
                            }
                            if (pathPointAdorner != null)
                            {
                                PathTangentAdorner pathTangentAdorner;
                                if (index3 < list3.Count)
                                {
                                    pathTangentAdorner = list3[index3];
                                    pathTangentAdorner.Initialize(figureIndex, endPointIndex, segmentIndex, segmentPointIndex, pathPointAdorner, pathSegmentAdorner);
                                    oldAdornerList.Remove((Adorner)pathTangentAdorner);
                                    ++index3;
                                }
                                else
                                {
                                    pathTangentAdorner = new PathTangentAdorner(this, figureIndex, endPointIndex, segmentIndex, segmentPointIndex, pathPointAdorner, pathSegmentAdorner);
                                }
                                newAdornerList.Add((Adorner)pathTangentAdorner);
                            }
                        }
                        ++endPointIndex;
                    }
                }
                foreach (PathPointAdorner pathPointAdorner in pathPointAdornerArray)
                {
                    if (pathPointAdorner != null)
                    {
                        newAdornerList.Add((Adorner)pathPointAdorner);
                    }
                }
                this.adornerOffsets.Add((object)this.AdornerList.Count);
                this.adornerCounts.Add((object)(this.AdornerList.Count - (int)this.adornerOffsets[this.adornerOffsets.Count - 1]));
                this.adornerTypes.Add((object)PathPart.PartType.PathPoint);
            }
        }