protected virtual void UpdateCenterPoint(Point centerPoint)
{
CanonicalTransform canonicalTransform = new CanonicalTransform((Transform)this.EditingElement.GetComputedValueAsWpf(Base2DElement.RenderTransformProperty));
Point elementCoordinates = this.BaseEditingElement.RenderTransformOriginInElementCoordinates;
Vector translation = canonicalTransform.Translation;
Rect computedTightBounds = ((Base2DElement)this.EditingElement).GetComputedTightBounds();
Point renderTransformOrigin = this.BaseEditingElement.RenderTransformOrigin;
Point point2 = new Point((centerPoint.X - computedTightBounds.Left) / (computedTightBounds.Width == 0.0 ? 1.0 : computedTightBounds.Width), (centerPoint.Y - computedTightBounds.Top) / (computedTightBounds.Height == 0.0 ? 1.0 : computedTightBounds.Height));
point2 = RoundingHelper.RoundPosition(point2);
Point newOrigin = new Point(computedTightBounds.Left + point2.X * computedTightBounds.Width, computedTightBounds.Top + point2.Y * computedTightBounds.Height);
canonicalTransform.UpdateForNewOrigin(elementCoordinates, newOrigin);
canonicalTransform.TranslationX = RoundingHelper.RoundLength(canonicalTransform.TranslationX);
canonicalTransform.TranslationY = RoundingHelper.RoundLength(canonicalTransform.TranslationY);
if (!Point.Equals(renderTransformOrigin, point2))
{
this.BaseEditingElement.RenderTransformOrigin = point2;
}
if (!object.Equals((object)translation.X, (object)canonicalTransform.TranslationX))
{
this.EditingElement.SetValue(this.EditingElement.Platform.Metadata.CommonProperties.RenderTransformTranslationX, (object)canonicalTransform.TranslationX);
}
if (object.Equals((object)translation.Y, (object)canonicalTransform.TranslationY))
{
return;
}
this.EditingElement.SetValue(this.EditingElement.Platform.Metadata.CommonProperties.RenderTransformTranslationY, (object)canonicalTransform.TranslationY);
}
private void UpdateCenterPoint(Point centerPoint)
{
CanonicalTransform canonicalTransform = new CanonicalTransform(this.pathElement.RenderTransform);
Point elementCoordinates = this.pathElement.RenderTransformOriginInElementCoordinates;
Rect computedBounds = this.pathElement.GetComputedBounds((Base2DElement)this.pathElement);
Point newOrigin = new Point(computedBounds.Left + centerPoint.X * computedBounds.Width, computedBounds.Top + centerPoint.Y * computedBounds.Height);
canonicalTransform.UpdateForNewOrigin(elementCoordinates, newOrigin);
this.pathElement.RenderTransformOriginInElementCoordinates = newOrigin;
this.pathElement.SetValue(this.pathElement.Platform.Metadata.CommonProperties.RenderTransformTranslationX, (object)canonicalTransform.TranslationX);
this.pathElement.SetValue(this.pathElement.Platform.Metadata.CommonProperties.RenderTransformTranslationY, (object)canonicalTransform.TranslationY);
}
private void ChangeRegistrationPoint(RegistrationPointFlags registrationPoint)
{
if (this.objectSet.ViewModel == null)
{
return;
}
bool flag1 = false;
using (SceneEditTransaction editTransaction = this.objectSet.ViewModel.CreateEditTransaction(StringTable.UndoUnitTransformPaneCenterPoint))
{
Point point1 = this.CenterFromRegistrationPoint(registrationPoint);
foreach (SceneElement sceneElement in this.objectSet.Objects)
{
BaseFrameworkElement frameworkElement = sceneElement as BaseFrameworkElement;
if (frameworkElement != null)
{
flag1 = true;
CanonicalTransform canonicalTransform1 = new CanonicalTransform((Transform)frameworkElement.GetComputedValueAsWpf(this.PropertyReference));
CanonicalTransform canonicalTransform2 = new CanonicalTransform(canonicalTransform1);
if (this.IsRenderTransform)
{
Point point2 = (Point)frameworkElement.GetComputedValueAsWpf(Base2DElement.RenderTransformOriginProperty);
Rect computedTightBounds = frameworkElement.GetComputedTightBounds();
Point oldOrigin = new Point(point2.X * computedTightBounds.Width + computedTightBounds.Left, point2.Y * computedTightBounds.Height + computedTightBounds.Top);
Point newOrigin = new Point(point1.X * computedTightBounds.Width + computedTightBounds.Left, point1.Y * computedTightBounds.Height + computedTightBounds.Top);
canonicalTransform2.UpdateForNewOrigin(oldOrigin, newOrigin);
bool flag2 = false;
if (!double.IsNaN(point1.X) && !object.Equals((object)point1.X, (object)point2.X))
{
point2.X = point1.X;
flag2 = true;
}
if (!double.IsNaN(point1.Y) && !object.Equals((object)point1.Y, (object)point2.Y))
{
point2.Y = point1.Y;
flag2 = true;
}
if (flag2)
{
frameworkElement.SetValueAsWpf(Base2DElement.RenderTransformOriginProperty, (object)point2);
}
}
double num1 = RoundingHelper.RoundToDoublePrecision(canonicalTransform2.TranslationX, 6);
double num2 = RoundingHelper.RoundToDoublePrecision(canonicalTransform2.TranslationY, 6);
if (canonicalTransform1.TranslationX != num1)
{
frameworkElement.SetValue(this.TranslationXPropertyReference, (object)num1);
}
if (canonicalTransform1.TranslationY != num2)
{
frameworkElement.SetValue(this.TranslationYPropertyReference, (object)num2);
}
}
}
if (flag1)
{
editTransaction.Commit();
}
else
{
editTransaction.Cancel();
}
}
}