protected override void OnDrag(MouseDevice mouseDevice, double zoom) { Point point = PathFigureUtilities.GetPoint(this.PathEditContext.GetPathFigure(this.Path), this.PathEditContext.PartIndex); Point point1 = this.geometryToDocument.Transform(point); Point viewRootCoordinates = this.GetPointInViewRootCoordinates(mouseDevice, true); Vector vector = viewRootCoordinates - point1; Vector correspondingVector = ElementUtilities.GetCorrespondingVector(vector, this.geometryToDocument, this.IsShiftDown ? this.AxisConstraint : (AxisConstraint)null); if (this.hasMoved || Tolerances.HaveMoved(point1, viewRootCoordinates, zoom)) { this.hasMoved = true; PathGeometry path = this.Path; int figureIndex = this.PathEditContext.FigureIndex; int partIndex = this.PathEditContext.PartIndex; PathGeometryEditor pathGeometryEditor = this.BeginEditing(); PathFigureEditor pathFigureEditor = new PathFigureEditor(path.Figures[figureIndex]); if (partIndex > 0 || PathFigureUtilities.IsClosed(pathFigureEditor.PathFigure)) { pathGeometryEditor.SetPoint(figureIndex, partIndex - 1, point - correspondingVector); } if (pathFigureEditor.GetLastIndexOfDownstreamSegment(partIndex) != partIndex) { pathGeometryEditor.SetPoint(figureIndex, partIndex + 1, point + correspondingVector); } if (partIndex == PathFigureUtilities.PointCount(pathFigureEditor.PathFigure) - 1 && PathFigureUtilities.IsOpen(pathFigureEditor.PathFigure)) { this.LastTangent = vector; } this.PathEditorTarget.AddCriticalEdit(); } base.OnDrag(mouseDevice, zoom); }
protected override void OnBegin(PathEditContext pathEditContext, MouseDevice mouseDevice) { this.ViewModel.PathPartSelectionSet.SetSelection((PathPart) new PathPoint((SceneElement)this.PathEditorTarget.EditingElement, this.PathEditorTarget.PathEditMode, pathEditContext.FigureIndex, pathEditContext.PartIndex)); Point point = PathFigureUtilities.GetPoint(pathEditContext.GetPathFigure(this.Path), pathEditContext.PartIndex); Matrix elementTransformToRoot = this.EditingElementTransformToRoot; this.Initialize(elementTransformToRoot.Transform(point), false, elementTransformToRoot); base.OnBegin(pathEditContext, mouseDevice); }
protected override void OnBegin(PathEditContext pathEditContext, MouseDevice mouseDevice) { this.startRootPoint = PathFigureUtilities.GetPoint(this.PathEditorTarget.PathGeometry.Figures[pathEditContext.FigureIndex], pathEditContext.PartIndex, true); this.geometryToDocument = this.PathEditorTarget.GetTransformToAncestor((IViewObject)this.View.HitTestRoot); base.OnBegin(pathEditContext, mouseDevice); }
protected Point GetLastPoint(int pathFigureIndex) { PathFigure pathFigure = this.Path.Figures[pathFigureIndex]; return(PathFigureUtilities.GetPoint(pathFigure, PathFigureUtilities.PointCount(pathFigure) - 1)); }
private void MoveSelection() { Matrix matrixToAdornerLayer = this.pathPartAdorner.PathAdornerSet.GetTransformMatrixToAdornerLayer(); Point pointInAdornerLayer = this.GetSnappedPointInAdornerLayer(); PathTangentAdorner pathTangentAdorner = this.pathPartAdorner as PathTangentAdorner; PathEditContext pathEditContext = new PathEditContext(this.pathPartAdorner.FigureIndex, this.pathPartAdorner.PartIndex); if (pathTangentAdorner != null) { this.EnsureEditTransaction(); this.pathEditorTarget.BeginEditing(); if (!this.HasMouseMovedAfterDown) { this.startRootPoint = PathFigureUtilities.GetPoint(this.pathEditorTarget.PathGeometry.Figures[pathEditContext.FigureIndex], pathEditContext.PartIndex, false); this.correspondingPoint = PathFigureUtilities.GetPoint(this.pathEditorTarget.PathGeometry.Figures[pathEditContext.FigureIndex], pathEditContext.PartIndex, true); } Point point = this.IsShiftDown ? this.correspondingPoint : this.startRootPoint; Vector correspondingVector = ElementUtilities.GetCorrespondingVector(pointInAdornerLayer - point * matrixToAdornerLayer, matrixToAdornerLayer, this.IsShiftDown ? this.axisConstraint : (AxisConstraint)null); new PathFigureEditor(pathEditContext.GetPathFigure(this.pathEditorTarget.PathGeometry)).MoveTangent(pathEditContext.PartIndex, point + correspondingVector, this.isEnforcingSmoothness); this.ActiveView.AdornerLayer.InvalidateAdornerVisuals(this.EditingElement); } else { this.EnsureEditTransaction(); PathPointAdorner pathPointAdorner = this.pathPartAdorner as PathPointAdorner; PathSegmentAdorner pathSegmentAdorner = this.pathPartAdorner as PathSegmentAdorner; this.pathPartAdorner.PathAdornerSet.PathEditorTarget.BeginEditing(); if (!this.HasMouseMovedAfterDown) { Point point; if (pathPointAdorner != null) { point = PathFigureUtilities.GetPoint(pathEditContext.GetPathFigure(this.pathEditorTarget.PathGeometry), pathEditContext.PartIndex); } else { PathFigureEditor pathFigureEditor = new PathFigureEditor(pathEditContext.GetPathFigure(this.pathEditorTarget.PathGeometry)); int segmentIndex; int segmentPointIndex; PathFigureUtilities.GetSegmentFromPointIndex(pathEditContext.GetPathFigure(this.pathEditorTarget.PathGeometry), pathEditContext.PartIndex, out segmentIndex, out segmentPointIndex); point = pathFigureEditor.Evaluate(segmentIndex, segmentPointIndex, this.pathSegmentParameter) * pathSegmentAdorner.PathGeometryTransformMatrix; } this.startRootPoint = point; this.previousRootPoint = this.startRootPoint; } Vector correspondingVector = ElementUtilities.GetCorrespondingVector(pointInAdornerLayer - this.startRootPoint * matrixToAdornerLayer, matrixToAdornerLayer, this.IsShiftDown ? this.axisConstraint : (AxisConstraint)null); double zoom = this.ActiveView.Artboard.Zoom; Vector rootToArtboardScale = this.ActiveView.Artboard.ViewRootToArtboardScale; correspondingVector.X /= zoom * rootToArtboardScale.X; correspondingVector.Y /= zoom * rootToArtboardScale.Y; Vector vector = this.startRootPoint - this.previousRootPoint + correspondingVector; this.previousRootPoint = this.startRootPoint + correspondingVector; Vector deltaOffset = matrixToAdornerLayer.Transform(vector); PathPartSelectionSet partSelectionSet = this.ActiveSceneViewModel.PathPartSelectionSet; if (partSelectionSet == null) { return; } foreach (BaseFrameworkElement sceneElement in (IEnumerable <SceneElement>)partSelectionSet.SelectedPaths) { this.MovePathParts(partSelectionSet, sceneElement, PathEditMode.ScenePath, deltaOffset); this.MovePathParts(partSelectionSet, sceneElement, PathEditMode.MotionPath, deltaOffset); this.MovePathParts(partSelectionSet, sceneElement, PathEditMode.ClippingPath, deltaOffset); } } }