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);
}
private bool TestGeometryAgainstFrustum(MeshGeometry3D rawGeometry, Material frontMaterial, Material backMaterial, BoundingVolume frustum, Matrix3D transform)
{
if (rawGeometry == null)
{
return(false);
}
TriangleEnumerator triangleEnumerator = new TriangleEnumerator(rawGeometry.Positions, rawGeometry.TriangleIndices);
Point3D[] point3DArray = new Point3D[3];
foreach (int[] numArray in triangleEnumerator.TriangleList)
{
point3DArray[0] = rawGeometry.Positions[numArray[0]];
point3DArray[1] = rawGeometry.Positions[numArray[1]];
point3DArray[2] = rawGeometry.Positions[numArray[2]];
transform.Transform(point3DArray);
if (frustum.IsPolygonContainedOrIntersecting(point3DArray))
{
double num = Vector3D.DotProduct(Vector3D.CrossProduct(point3DArray[1] - point3DArray[0], point3DArray[2] - point3DArray[0]), point3DArray[0] - this.frustumCenterRay.Origin);
if (Tolerances.LessThanOrClose(num, 0.0) && frontMaterial != null || Tolerances.GreaterThan(num, 0.0) && backMaterial != null)
{
return(true);
}
}
}
return(false);
}
protected override HitTestResult HitTestCore(PointHitTestParameters hitTestParams)
{
Point hitPoint = hitTestParams.HitPoint;
if (Tolerances.AreClose(hitPoint, this.lastPoint))
{
return(base.HitTestCore(hitTestParams));
}
this.lastPoint = hitPoint;
double num;
if (((LayoutBehavior)this.AdornerSet.Behavior).IsNewGridlineEnabled && Mouse.LeftButton != MouseButtonState.Pressed && Mouse.RightButton != MouseButtonState.Pressed)
{
Matrix inverseMatrix = ElementUtilities.GetInverseMatrix(this.AdornerSet.Matrix);
Point point = hitPoint * inverseMatrix;
Point pointBegin;
Point pointEnd;
this.GetPoints(out pointBegin, out pointEnd, this.AdornerSet.Matrix);
num = !new Rect(pointBegin, pointEnd).Contains(point) ? double.NaN : (!this.IsX ? point.Y : point.X);
}
else
{
num = double.NaN;
}
if (!this.position.Equals(num))
{
this.position = num;
if (this.isMouseOver)
{
this.InvalidateRender();
this.AdornerSet.Update();
}
}
return(base.HitTestCore(hitTestParams));
}
protected virtual void ComputeMarginOverrides()
{
bool flag = false;
double left = this.Settings.Margin.Left;
double right = this.Settings.Margin.Right;
double top = this.Settings.Margin.Top;
double bottom = this.Settings.Margin.Bottom;
if (!Tolerances.AreClose(this.SettingsFromElement.Margin.Left, this.Settings.Margin.Left) || !Tolerances.AreClose(this.SettingsFromElement.Margin.Right, this.Settings.Margin.Right))
{
this.Settings.LayoutOverrides |= LayoutOverrides.HorizontalMargin;
left = this.SettingsFromElement.Margin.Left;
right = this.SettingsFromElement.Margin.Right;
flag = true;
}
if (!Tolerances.AreClose(this.SettingsFromElement.Margin.Top, this.Settings.Margin.Top) || !Tolerances.AreClose(this.SettingsFromElement.Margin.Bottom, this.Settings.Margin.Bottom))
{
this.Settings.LayoutOverrides |= LayoutOverrides.VerticalMargin;
top = this.SettingsFromElement.Margin.Top;
bottom = this.SettingsFromElement.Margin.Bottom;
flag = true;
}
if (!flag)
{
return;
}
this.Settings.Margin = new Thickness(left, top, right, bottom);
}
public void SetTimeRegion(double originalRegionBegin, double originalRegionEnd, double finalRegionBegin, double finalRegionEnd)
{
using (SceneEditTransaction editTransaction = this.ViewModel.CreateEditTransaction(StringTable.UndoUnitMoveScheduledProperties))
{
double scaleFactor = (finalRegionEnd - finalRegionBegin) / (originalRegionEnd - originalRegionBegin);
TimeRegionChangeDetails details = TimeRegionChangeDetails.None;
if (Tolerances.AreClose(originalRegionEnd - originalRegionBegin, 0.0))
{
details |= TimeRegionChangeDetails.FromZero;
}
if (Tolerances.AreClose(finalRegionEnd - finalRegionBegin, 0.0))
{
details |= TimeRegionChangeDetails.ToZero;
}
if (!Tolerances.AreClose(scaleFactor, 1.0))
{
details |= TimeRegionChangeDetails.Scale;
}
if (!Tolerances.AreClose(originalRegionBegin, finalRegionBegin))
{
details |= TimeRegionChangeDetails.Translate;
}
this.RecursiveSetTimeRegion(details, scaleFactor, originalRegionBegin, originalRegionEnd, finalRegionBegin, finalRegionEnd);
editTransaction.Commit();
}
}
private PathGeometry GetEllipseGeometry(Point left, Point top, Point right, Point bottom, double horizontalScale, double verticalScale)
{
Vector vector1 = right - left;
if (!Tolerances.NearZero(vector1.Length))
{
vector1.Normalize();
vector1 *= horizontalScale;
}
Vector vector2 = top - bottom;
if (!Tolerances.NearZero(vector2.Length))
{
vector2.Normalize();
vector2 *= verticalScale;
}
PathFigure pathFigure = new PathFigure();
pathFigure.StartPoint = left;
pathFigure.Segments.Add((PathSegment) new BezierSegment(left + vector2, top - vector1, top, true));
pathFigure.Segments.Add((PathSegment) new BezierSegment(top + vector1, right + vector2, right, true));
pathFigure.Segments.Add((PathSegment) new BezierSegment(right - vector2, bottom + vector1, bottom, true));
pathFigure.Segments.Add((PathSegment) new BezierSegment(bottom - vector1, left - vector2, left, true));
pathFigure.IsClosed = true;
pathFigure.Freeze();
PathGeometry pathGeometry = new PathGeometry((IEnumerable <PathFigure>) new PathFigure[1]
{
pathFigure
});
pathGeometry.Freeze();
return(pathGeometry);
}
public static bool DrawInscribedRoundedRect(DrawingContext drawingContext, Brush fill, Pen stroke, Rect outerBounds, double cornerRadius)
{
Point spineLeftTop = new Point(outerBounds.Left, outerBounds.Top);
Point spineRightBottom = new Point(outerBounds.Right, outerBounds.Bottom);
bool drewSomething = false;
if (stroke != null && !Tolerances.NearZero(stroke.Thickness))
{
double halfThickness = stroke.Thickness / 2d;
spineLeftTop.X += halfThickness;
spineLeftTop.Y += halfThickness;
spineRightBottom.X -= halfThickness;
spineRightBottom.Y -= halfThickness;
}
Rect spineRect = new Rect(spineLeftTop, spineRightBottom);
if (!Tolerances.NearZero(spineRect.Width) && !Tolerances.NearZero(spineRect.Height))
{
drawingContext.DrawRoundedRectangle(fill, stroke, spineRect, cornerRadius, cornerRadius);
drewSomething = true;
}
return(drewSomething);
}
public static Rect CalculateInnerRect(Rect outerBounds, double strokeThickness)
{
if (!Tolerances.NearZero(strokeThickness))
{
return(new Rect(new Point(outerBounds.Left + strokeThickness, outerBounds.Top + strokeThickness), new Point(outerBounds.Right - strokeThickness, outerBounds.Bottom - strokeThickness)));
}
return(outerBounds);
}
public static bool GreaterThan(double value1, double value2)
{
if (value1 > value2)
{
return(!Tolerances.AreClose(value1, value2));
}
return(false);
}
public static bool LessThan(double value1, double value2)
{
if (value1 < value2)
{
return(!Tolerances.AreClose(value1, value2));
}
return(false);
}
public static bool LessThanOrClose(double value1, double value2)
{
if (value1 >= value2)
{
return(Tolerances.AreClose(value1, value2));
}
return(true);
}
public static Rotation3D GetRotation3DFromDirection(Vector3D direction)
{
direction.Normalize();
Vector3D axis = Vector3D.CrossProduct(Vector3DEditor.pointingDirection, direction);
double d = Vector3D.DotProduct(Vector3DEditor.pointingDirection, direction);
return(!Tolerances.AreClose(axis.LengthSquared, 0.0) ? (Rotation3D) new AxisAngleRotation3D(axis, Math.Acos(d) * 57.2957795130823) : (!Tolerances.AreClose(d, 1.0) ? (Rotation3D) new AxisAngleRotation3D(Vector3DEditor.perpendicularDirection, 180.0) : Rotation3D.Identity));
}
protected override void OnBegin(PathEditContext pathEditContext, MouseDevice mouseDevice)
{
if (!Tolerances.AreClose(this.LastTangent, new Vector(0.0, 0.0)))
{
this.LastTangent = new Vector(0.0, 0.0);
}
base.OnBegin(pathEditContext, mouseDevice);
}
public void ApplyScale(Vector scale, Point origin, Point fixedPoint)
{
this.Translation += new Vector((1.0 - scale.X) * (fixedPoint.X - origin.X), (1.0 - scale.Y) * (fixedPoint.Y - origin.Y)) * this.Value;
double num1 = Tolerances.NearZero(this.ScaleX) ? 0.001 : this.ScaleX;
double num2 = Tolerances.NearZero(this.ScaleY) ? 0.001 : this.ScaleY;
this.Scale = new Vector(num1 * scale.X, num2 * scale.Y);
}
internal Radii(CornerRadius radii, Thickness borders, bool outer)
{
double num1 = 0.5 * borders.Left;
double num2 = 0.5 * borders.Top;
double num3 = 0.5 * borders.Right;
double num4 = 0.5 * borders.Bottom;
if (outer)
{
if (Tolerances.NearZero(radii.TopLeft))
{
this.LeftTop = this.TopLeft = 0.0;
}
else
{
this.LeftTop = radii.TopLeft + num1;
this.TopLeft = radii.TopLeft + num2;
}
if (Tolerances.NearZero(radii.TopRight))
{
this.TopRight = this.RightTop = 0.0;
}
else
{
this.TopRight = radii.TopRight + num2;
this.RightTop = radii.TopRight + num3;
}
if (Tolerances.NearZero(radii.BottomRight))
{
this.RightBottom = this.BottomRight = 0.0;
}
else
{
this.RightBottom = radii.BottomRight + num3;
this.BottomRight = radii.BottomRight + num4;
}
if (Tolerances.NearZero(radii.BottomLeft))
{
this.BottomLeft = this.LeftBottom = 0.0;
}
else
{
this.BottomLeft = radii.BottomLeft + num4;
this.LeftBottom = radii.BottomLeft + num1;
}
}
else
{
this.LeftTop = Math.Max(0.0, radii.TopLeft - num1);
this.TopLeft = Math.Max(0.0, radii.TopLeft - num2);
this.TopRight = Math.Max(0.0, radii.TopRight - num2);
this.RightTop = Math.Max(0.0, radii.TopRight - num3);
this.RightBottom = Math.Max(0.0, radii.BottomRight - num3);
this.BottomRight = Math.Max(0.0, radii.BottomRight - num4);
this.BottomLeft = Math.Max(0.0, radii.BottomLeft - num4);
this.LeftBottom = Math.Max(0.0, radii.BottomLeft - num1);
}
}
public void Render(DrawingContext dc, Rect renderRect, Brush brush, CornerRadius cornerRadius)
{
if (brush == null || Tolerances.NearZero(renderRect.Width) || Tolerances.NearZero(renderRect.Height))
{
return;
}
this.ValidateGeometry(renderRect, cornerRadius);
dc.DrawGeometry(brush, (Pen)null, (Geometry)this.geometry);
}
protected override void Finish()
{
if (Tolerances.AreClose(this.initialRenderTransformOrigin, this.EditingElementSet.RenderTransformOrigin))
{
return;
}
this.EnsureEditTransaction();
this.EditingElement.ViewModel.Document.AddUndoUnit((IUndoUnit) new MultipleElementCenterEditUndoUnit(this.EditingElementSet, this.initialRenderTransformOrigin, this.EditingElementSet.RenderTransformOrigin));
}
public static bool AreClose(Point point1, Point point2)
{
if (Tolerances.AreClose(point1.X, point2.X) && Tolerances.AreClose(point1.Y, point2.Y))
{
return(true);
}
return(false);
}
/// <summary>
/// Rounds unit value to nearest pixel.
/// </summary>
/// <returns>
/// Rounded value in units.
/// </returns>
public static double RoundToPixel(double units, double unitsPerPixel)
{
double pixels = units / unitsPerPixel;
double floorPixels = (double)Math.Floor(pixels);
pixels = Tolerances.LessThan(pixels, floorPixels + 0.5) ?
floorPixels : (double)Math.Ceiling(pixels);
return(pixels * unitsPerPixel);
}
private void SetRotationFromPointer()
{
Vector vector = Mouse.GetPosition((IInputElement)this) - new Point(this.RenderSize.Width / 2.0, this.RenderSize.Height / 2.0);
if (Tolerances.NearZero(vector) || !this.IsEnabled)
{
return;
}
double num = Math.Atan2(vector.Y, vector.X) * 180.0 / Math.PI;
this.RotationAngle = this.ClosestAngleTo(Keyboard.IsKeyDown(Key.LeftShift) || Keyboard.IsKeyDown(Key.RightShift) ? Math.Round(num / 15.0) * 15.0 : RoundingHelper.RoundAngle(num));
}
protected override bool OnDrag(Point dragStartPosition, Point dragCurrentPosition, bool scrollNow)
{
switch (this.ActiveAdorner.Kind)
{
case RadialGradientAdornerKind.GradientOriginPoint:
this.actionString = StringTable.UndoUnitRadialGradientOrigin;
if (!this.HasMouseMovedAfterDown)
{
this.CopyPrimaryBrushToSelection();
}
Point point = this.initialCenterInBrush;
if (Tolerances.HaveMoved(dragCurrentPosition, this.initialCenterInDocument, this.ActiveView.Zoom))
{
Point positionInBrush = this.ActiveAdorner.InverseTransformPoint(dragCurrentPosition * this.initialContextToElementMatrix, true) * this.brushToRootMatrix;
BrushTransformBehavior.OffsetDragPoint(ref positionInBrush, this.initialCenterInBrush * this.brushToRootMatrix, this.dragOffset, 0.0);
point = RoundingHelper.RoundPosition(positionInBrush * this.rootToBrushMatrix);
}
if (this.ActiveAdorner.GradientOriginPoint != point)
{
this.SetBrushValue(RadialGradientBrushNode.GradientOriginProperty, (object)point);
this.UpdateEditTransaction();
break;
}
break;
case RadialGradientAdornerKind.RadiusPoint:
this.actionString = StringTable.UndoUnitScaleRadialGradient;
if (!this.HasMouseMovedAfterDown)
{
this.CopyPrimaryBrushToSelection();
this.radiusX = (double)this.GetBrushValue(RadialGradientBrushNode.RadiusXProperty);
this.radiusY = (double)this.GetBrushValue(RadialGradientBrushNode.RadiusYProperty);
if (Math.Abs(this.radiusX) < 0.01)
{
this.radiusX = 0.01;
}
if (Math.Abs(this.radiusY) < 0.01)
{
this.radiusY = 0.01;
}
}
Vector perpendicular;
double num1 = GradientStopBehavior.VectorProjection(this.ActiveAdorner.BrushCenter * this.brushToRootMatrix, this.initialPointerPosition, dragCurrentPosition, 0.0, out perpendicular);
double num2 = RoundingHelper.RoundLength(this.radiusX * num1);
double num3 = RoundingHelper.RoundLength(this.radiusY * num1);
this.SetBrushValue(RadialGradientBrushNode.RadiusXProperty, (object)num2);
this.SetBrushValue(RadialGradientBrushNode.RadiusYProperty, (object)num3);
this.UpdateEditTransaction();
break;
}
this.ActiveView.EnsureVisible((IAdorner)this.ActiveAdorner, scrollNow);
return(true);
}
protected override bool OnButtonDownOverNonAdorner(Point pointerPosition)
{
this.IsProjectedInsertionPoint = Adorner.NonAffineTransformInParentStack(this.ActiveSceneInsertionPoint.SceneElement);
if (!this.IsProjectedInsertionPoint)
{
this.pointList.Clear();
this.pointList.Add(pointerPosition);
this.vpFitter.Clear();
this.vpFitter.Add(pointerPosition, 0L);
this.vpFitter.CurveTolerance = Tolerances.CurveFittingDistanceTolerance(this.ActiveView.Zoom) * Tolerances.CurveFittingDistanceTolerance(this.ActiveView.Zoom);
}
return(true);
}
private static bool IsNextElementStartOfNewLine(Rect currentElementLayoutBounds, Rect nextElementLayoutBounds, Orientation orientation)
{
switch (orientation)
{
case Orientation.Horizontal:
return(Tolerances.LessThan(nextElementLayoutBounds.Left, currentElementLayoutBounds.Right));
case Orientation.Vertical:
return(Tolerances.LessThan(nextElementLayoutBounds.Top, currentElementLayoutBounds.Bottom));
default:
throw new NotImplementedException(ExceptionStringTable.StackPanelUnrecognizedOrientation);
}
}
private static bool ComputeLineTriangleIntersection(Ray3D line, Point3D[] triangle, out Point hitBarycentric)
{
hitBarycentric = new Point(double.NaN, double.NaN);
Vector3D vector3D1 = triangle[1] - triangle[0];
Vector3D vector3D2 = triangle[2] - triangle[0];
if (Tolerances.NearZero(Vector3D.CrossProduct(vector3D1, vector3D2).LengthSquared))
{
return(false);
}
Vector3D vector3D3 = line.Origin - triangle[0];
Vector3D vector2_1 = Vector3D.CrossProduct(line.Direction, vector3D2);
double d = Vector3D.DotProduct(vector3D1, vector2_1);
if (Tolerances.NearZero(d))
{
return(false);
}
Vector3D vector1;
if (d > 0.0)
{
vector1 = line.Origin - triangle[0];
}
else
{
vector1 = triangle[0] - line.Origin;
d = -d;
}
double num1 = 1.0 / d;
double num2 = Vector3D.DotProduct(vector1, vector2_1);
if (num2 < 0.0 || d < num2)
{
return(false);
}
Vector3D vector2_2 = Vector3D.CrossProduct(vector1, vector3D1);
double num3 = Vector3D.DotProduct(line.Direction, vector2_2);
if (num3 < 0.0 || d < num2 + num3)
{
return(false);
}
double num4 = Vector3D.DotProduct(vector3D2, vector2_2) * num1;
double x = num2 * num1;
double y = num3 * num1;
hitBarycentric = new Point(x, y);
return(true);
}
private void SetOrientationFromPointer()
{
Vector3D positionFromPointer = this.GetPositionFromPointer();
Vector3D axisOfRotation = Vector3D.CrossProduct(this.initialPosition, positionFromPointer);
if (!this.IsEnabled || Tolerances.NearZero(axisOfRotation.Length))
{
return;
}
axisOfRotation.Normalize();
Quaternion quaternion = new Quaternion(axisOfRotation, Math.Acos(Vector3D.DotProduct(this.initialPosition, positionFromPointer)) * 57.2957795130823) * this.initialOrientation;
this.Orientation = (Rotation3D) new AxisAngleRotation3D(quaternion.Axis, quaternion.Angle);
}
protected override bool OnDragEnd(Point dragStartPosition, Point dragEndPosition)
{
if (!this.IsProjectedInsertionPoint)
{
SceneView activeView = this.ActiveView;
SceneViewModel viewModel = activeView.ViewModel;
bool flag = false;
if (this.pointList.Count >= 4)
{
Point point1 = this.pointList[0];
Point point2 = this.pointList[this.pointList.Count - 1];
if (Tolerances.DoPointsHit(point1, point2, activeView.Zoom))
{
this.pointList[this.pointList.Count - 1] = point1;
flag = true;
}
}
PropertyManager propertyManager = (PropertyManager)this.ToolBehaviorContext.PropertyManager;
BezierCurveFitter bezierCurveFitter = new BezierCurveFitter();
PathGeometry pathGeometry = !DebugVariables.Instance.EnableRealTimeFitting ? (!flag ? bezierCurveFitter.OpenFit(this.pointList, true, Tolerances.CurveFitCornerThreshold, Tolerances.CurveFittingDistanceTolerance(activeView.Zoom), true) : bezierCurveFitter.ClosedFit(this.pointList, true, Tolerances.CurveFitCornerThreshold, Tolerances.CurveFittingDistanceTolerance(activeView.Zoom), true)) : this.vpFitter.Path;
try
{
this.EnsureEditTransaction();
Matrix transformFromRoot = activeView.GetComputedTransformFromRoot(this.ActiveSceneInsertionPoint.SceneElement);
new PathFigureEditor(pathGeometry.Figures[0]).ApplyTransform(transformFromRoot);
viewModel.ElementSelectionSet.Clear();
this.CreatePathElement();
this.UpdateEditTransaction();
if (this.EditingElement.IsViewObjectValid)
{
using (ScenePathEditorTarget pathEditorTarget = new ScenePathEditorTarget((PathElement)this.EditingElement))
{
pathEditorTarget.BeginEditing();
pathEditorTarget.PathGeometry = pathGeometry;
pathEditorTarget.EndEditing(true);
}
}
this.CommitEditTransaction();
this.Tool.RebuildAdornerSets();
}
finally
{
this.CancelEditTransaction();
this.ClearFeedback();
this.PreviewInsertionPoint = (ISceneInsertionPoint)null;
}
}
return(true);
}
private void ScopeElement_MouseMove(object sender, MouseEventArgs args)
{
if (this.ActiveBehavior == null)
{
return;
}
if ((Keyboard.Modifiers & ModifierKeys.Alt) != ModifierKeys.None)
{
this.consumeAltKey = true;
}
Point position = args.GetPosition((IInputElement)this.scopeElement);
if (position == this.lastDragPosition)
{
return;
}
this.lastDragPosition = position;
FrameworkElement rootElement = this.RootElement;
if (rootElement == null)
{
return;
}
GeneralTransform generalTransform = this.scopeElement.TransformToDescendant((Visual)rootElement);
if (generalTransform == null)
{
return;
}
Point point = position * VectorUtilities.GetMatrixFromTransform(generalTransform);
if (this.IsButtonDown && this.buttonDownHandled)
{
if (!this.IsDragging && !Tolerances.HaveMoved(this.dragStartPosition, point, this.view.Zoom))
{
return;
}
this.isDragging = true;
this.dragCurrentPosition = point;
args.Handled = this.ActiveBehavior.HandleDrag(this.dragStartPosition, this.dragCurrentPosition);
}
else
{
args.Handled = this.ActiveBehavior.HandleHover(point);
}
}
private bool ReadCanonicalForm(Transform3D transform, bool useIfChangeable)
{
if (!CanonicalTransform3D.IsCanonical(transform))
{
return(false);
}
Transform3DGroup transform3Dgroup = (Transform3DGroup)transform;
ScaleTransform3D scaleTransform3D = transform3Dgroup.Children[1] as ScaleTransform3D;
RotateTransform3D rotateTransform3D = transform3Dgroup.Children[2] as RotateTransform3D;
TranslateTransform3D translateTransform3D1 = transform3Dgroup.Children[3] as TranslateTransform3D;
TranslateTransform3D translateTransform3D2 = transform3Dgroup.Children[4] as TranslateTransform3D;
this.center = new Point3D(translateTransform3D1.OffsetX, translateTransform3D1.OffsetY, translateTransform3D1.OffsetZ);
this.scale = new Vector3D(scaleTransform3D.ScaleX, scaleTransform3D.ScaleY, scaleTransform3D.ScaleZ);
this.translation = new Vector3D(translateTransform3D2.OffsetX, translateTransform3D2.OffsetY, translateTransform3D2.OffsetZ);
if (useIfChangeable && !transform3Dgroup.IsFrozen)
{
this.transformGroup = transform3Dgroup;
}
else
{
this.InitializeTransformGroup();
Vector3D? nullable = (Vector3D?)rotateTransform3D.GetValue(CanonicalTransform3D.EulerAnglesProperty);
bool flag = nullable.HasValue;
AxisAngleRotation3D axisAngleRotation3D = rotateTransform3D.Rotation as AxisAngleRotation3D;
Quaternion orientation = Quaternion.Identity;
if (axisAngleRotation3D != null)
{
orientation = new Quaternion(axisAngleRotation3D.Axis, axisAngleRotation3D.Angle);
}
if (flag)
{
Quaternion quaternion = Helper3D.QuaternionFromEulerAngles(nullable.Value);
if (!Tolerances.AreClose(quaternion.Angle, orientation.Angle) || !Tolerances.AreClose(quaternion.Axis, orientation.Axis))
{
flag = false;
}
}
if (!flag)
{
nullable = new Vector3D?(Helper3D.EulerAnglesFromQuaternion(orientation));
}
this.RotationAngles = nullable.Value;
}
return(true);
}
private void GetArcGeometry(Vector3D axis1, Vector3D axis2, Vector3D normal, out PathGeometry frontGeometry, out PathGeometry backGeometry)
{
Vector3D vector3D = Vector3D.CrossProduct(normal, new Vector3D(0.0, 0.0, 1.0));
if (Tolerances.NearZero(vector3D.Length))
{
Point point = new Point(this.ActualWidth / 2.0, this.ActualHeight / 2.0);
double num = this.ActualWidth / 2.0;
Vector vector1 = new Vector(1.0, 0.0);
Vector vector2 = new Vector(0.0, -1.0);
Point top = point + vector2 * num;
Point bottom = point - vector2 * num;
Point left = point - vector1 * num;
Point right = point + vector1 * num;
double horizontalScale = num * ArcBallPresenter.tangentSize;
double verticalScale = num * ArcBallPresenter.tangentSize;
frontGeometry = this.GetEllipseGeometry(left, top, right, bottom, horizontalScale, verticalScale);
backGeometry = new PathGeometry();
}
else
{
vector3D.Normalize();
axis1 = vector3D;
axis2 = Vector3D.CrossProduct(normal, axis1);
if (axis2.Z < 0.0)
{
axis2 = -axis2;
}
Vector vector1 = new Vector(axis1.X, -axis1.Y);
Vector vector2 = new Vector(axis2.X, -axis2.Y);
Point center = new Point(this.ActualWidth / 2.0, this.ActualHeight / 2.0);
double num = this.ActualWidth / 2.0;
Point top1 = center + vector2 * num;
Point top2 = center - vector2 * num;
Point point1 = center + vector1 * num;
Point point2 = center - vector1 * num;
double horizontalScale = vector1.Length * num * ArcBallPresenter.tangentSize;
double verticalScale = vector2.Length * num * ArcBallPresenter.tangentSize;
frontGeometry = this.GetSemiEllipseGeometry(point1, top1, point2, center, horizontalScale, verticalScale);
backGeometry = this.GetSemiEllipseGeometry(point2, top2, point1, center, horizontalScale, verticalScale);
}
}
protected void GetBrushOffsetEndpoints(out Point startPoint, out Point endPoint, double startOffset, double endOffset, Matrix matrix)
{
this.GetBrushEndpoints(out startPoint, out endPoint);
Matrix matrix1 = this.GetCompleteBrushTransformMatrix(true) * matrix;
startPoint *= matrix1;
endPoint *= matrix1;
Vector vector = startPoint - endPoint;
if (Tolerances.NearZero(vector.LengthSquared))
{
vector = new Vector(1.0, 0.0);
}
else
{
vector.Normalize();
}
startPoint += startOffset * vector;
endPoint -= endOffset * vector;
}