private static Point GetCalloutPoint(Rect position, ContentPositions contentAlignment, RectOrientation rectOrientation)
{
Point point = new Point(position.X, position.Y);
if (contentAlignment == ContentPositions.MiddleCenter || contentAlignment == ContentPositions.MiddleLeft || contentAlignment == ContentPositions.MiddleRight)
point.Y += position.Height / 2.0;
else if (contentAlignment == ContentPositions.TopCenter || contentAlignment == ContentPositions.TopLeft || contentAlignment == ContentPositions.TopRight)
point.Y = position.Bottom;
if (contentAlignment == ContentPositions.TopCenter || contentAlignment == ContentPositions.MiddleCenter || contentAlignment == ContentPositions.BottomCenter)
point.X += position.Width / 2.0;
else if (contentAlignment == ContentPositions.TopLeft || contentAlignment == ContentPositions.MiddleLeft || contentAlignment == ContentPositions.BottomLeft)
point.X = position.Right;
if (contentAlignment == ContentPositions.OutsideBase)
{
if (rectOrientation == RectOrientation.BottomTop)
point = new Point(position.X + position.Width / 2.0, position.Y);
else if (rectOrientation == RectOrientation.TopBottom)
point = new Point(position.X + position.Width / 2.0, position.Bottom);
else if (rectOrientation == RectOrientation.LeftRight)
point = new Point(position.Right, position.Y + position.Height / 2.0);
else if (rectOrientation == RectOrientation.RightLeft)
point = new Point(position.X, position.Y + position.Height / 2.0);
}
else if (contentAlignment == ContentPositions.OutsideEnd)
{
if (rectOrientation == RectOrientation.BottomTop)
point = new Point(position.X + position.Width / 2.0, position.Bottom);
else if (rectOrientation == RectOrientation.TopBottom)
point = new Point(position.X + position.Width / 2.0, position.Y);
else if (rectOrientation == RectOrientation.LeftRight)
point = new Point(position.X, position.Y + position.Height / 2.0);
else if (rectOrientation == RectOrientation.RightLeft)
point = new Point(position.Right, position.Y + position.Height / 2.0);
}
return point;
}
private static Rect CalculateContentPosition(Rect anchorRect, RectOrientation anchorRectOrientation, ContentPositions contentPosition, Size contentSize, double offset)
{
switch (contentPosition)
{
case ContentPositions.InsideEnd:
switch (anchorRectOrientation)
{
case RectOrientation.BottomTop:
return new Rect(AnchorPanel.GetLocation_TopInside(contentSize, anchorRect, offset), contentSize);
case RectOrientation.TopBottom:
return new Rect(AnchorPanel.GetLocation_BottomInside(contentSize, anchorRect, offset), contentSize);
case RectOrientation.RightLeft:
return new Rect(AnchorPanel.GetLocation_LeftInside(contentSize, anchorRect, offset), contentSize);
default:
return new Rect(AnchorPanel.GetLocation_RightInside(contentSize, anchorRect, offset), contentSize);
}
case ContentPositions.OutsideBase:
switch (anchorRectOrientation)
{
case RectOrientation.BottomTop:
return new Rect(AnchorPanel.GetLocation_BottomOutside(contentSize, anchorRect, offset), contentSize);
case RectOrientation.TopBottom:
return new Rect(AnchorPanel.GetLocation_TopOutside(contentSize, anchorRect, offset), contentSize);
case RectOrientation.RightLeft:
return new Rect(AnchorPanel.GetLocation_RightOutside(contentSize, anchorRect, offset), contentSize);
default:
return new Rect(AnchorPanel.GetLocation_LeftOutside(contentSize, anchorRect, offset), contentSize);
}
case ContentPositions.OutsideEnd:
switch (anchorRectOrientation)
{
case RectOrientation.BottomTop:
return new Rect(AnchorPanel.GetLocation_TopOutside(contentSize, anchorRect, offset), contentSize);
case RectOrientation.TopBottom:
return new Rect(AnchorPanel.GetLocation_BottomOutside(contentSize, anchorRect, offset), contentSize);
case RectOrientation.RightLeft:
return new Rect(AnchorPanel.GetLocation_LeftOutside(contentSize, anchorRect, offset), contentSize);
default:
return new Rect(AnchorPanel.GetLocation_RightOutside(contentSize, anchorRect, offset), contentSize);
}
case ContentPositions.InsideCenter:
switch (anchorRectOrientation)
{
case RectOrientation.BottomTop:
case RectOrientation.TopBottom:
return new Rect(AnchorPanel.GetLocation_MiddleVertical(contentSize, anchorRect, offset), contentSize);
default:
return new Rect(AnchorPanel.GetLocation_MiddleHorizontal(contentSize, anchorRect, offset), contentSize);
}
case ContentPositions.InsideBase:
switch (anchorRectOrientation)
{
case RectOrientation.BottomTop:
return new Rect(AnchorPanel.GetLocation_BottomInside(contentSize, anchorRect, offset), contentSize);
case RectOrientation.TopBottom:
return new Rect(AnchorPanel.GetLocation_TopInside(contentSize, anchorRect, offset), contentSize);
case RectOrientation.RightLeft:
return new Rect(AnchorPanel.GetLocation_RightInside(contentSize, anchorRect, offset), contentSize);
default:
return new Rect(AnchorPanel.GetLocation_LeftInside(contentSize, anchorRect, offset), contentSize);
}
default:
throw new NotSupportedException("Unsupported ContentPosition.");
}
}
protected override void UpdateView(DataPoint dataPoint)
{
if (!this.IsDataPointViewVisible(dataPoint))
{
return;
}
DateTime now = DateTime.Now;
XYDataPoint xyDataPoint = dataPoint as XYDataPoint;
if (xyDataPoint != null && this.CanGraph(xyDataPoint))
{
DataPointView view = dataPoint.View;
if (view != null)
{
FrameworkElement mainView = view.MainView;
if (mainView != null)
{
bool flag = this.ChartArea.Orientation != Orientation.Horizontal;
RectOrientation rectOrientation = RectOrientation.BottomTop;
Point positionInAxisUnits = this.GetPositionInAxisUnits(xyDataPoint);
Point point1 = new Point(Math.Round(positionInAxisUnits.X), Math.Round(positionInAxisUnits.Y));
object crossingPosition = this.Series.YAxis.Scale.ActualCrossingPosition;
Point basePoint = new Point(positionInAxisUnits.X, this.Series.YAxis.AxisPresenter.ConvertDataToAxisUnits(crossingPosition) ?? 0.0);
Point point2 = new Point(Math.Round(basePoint.X), Math.Round(basePoint.Y));
double num1 = point1.X + Math.Round(this.PointClusterOffset);
double num2 = this.MinMaxScreenCoordinates(positionInAxisUnits.Y);
double num3 = Math.Round(this.PointWidth);
double height = this.MinMaxScreenCoordinates(basePoint.Y - positionInAxisUnits.Y);
if (ValueHelper.Compare(xyDataPoint.YValue as IComparable, crossingPosition as IComparable) != 0 && Math.Abs(height) < 2.0 && this.CanAdjustHeight())
{
height = basePoint.Y - positionInAxisUnits.Y >= 0.0 ? 2.0 : -2.0;
num2 = point2.Y - height;
}
if (height < 0.0)
{
rectOrientation = RectOrientation.TopBottom;
height = Math.Abs(height);
num2 -= height;
}
double num4 = this.MinMaxScreenCoordinates(this.GetYOffsetInAxisUnits(xyDataPoint, positionInAxisUnits, basePoint));
double num5 = Math.Round(num2 - num4);
double num6 = this.AdjustColumnHeight(height);
if (flag)
{
if (rectOrientation == RectOrientation.BottomTop)
{
rectOrientation = RectOrientation.RightLeft;
}
else if (rectOrientation == RectOrientation.TopBottom)
{
rectOrientation = RectOrientation.LeftRight;
}
Canvas.SetLeft((UIElement)mainView, num5);
Canvas.SetTop((UIElement)mainView, num1);
mainView.Width = num6;
mainView.Height = num3;
view.AnchorRect = new Rect(num5, num1, num6, num3);
view.AnchorPoint = rectOrientation != RectOrientation.RightLeft ? new Point(num5 + num6, num1 + this.PointWidth / 2.0) : new Point(num5, num1 + this.PointWidth / 2.0);
}
else
{
Canvas.SetLeft((UIElement)mainView, num1);
Canvas.SetTop((UIElement)mainView, num5);
mainView.Width = num3;
mainView.Height = num6;
view.AnchorRect = new Rect(num1, num5, num3, num6);
view.AnchorPoint = rectOrientation != RectOrientation.BottomTop ? new Point(num1 + this.PointWidth / 2.0, num5 + num6) : new Point(num1 + this.PointWidth / 2.0, num5);
}
BarControl barControl = mainView as BarControl;
if (barControl != null)
{
barControl.Orientation = rectOrientation;
}
view.AnchorRectOrientation = rectOrientation;
}
}
}
base.UpdateView(dataPoint);
if (this.ChartArea == null)
{
return;
}
this.ChartArea.UpdateSession.AddCounter("ColumnSeriesPresenter.UpdateView", DateTime.Now - now);
}
public static void SetAnchorRectOrientation(UIElement element, RectOrientation anchorRectOrientation)
{
if (element == null)
throw new ArgumentNullException("element");
element.SetValue(AnchorPanel.AnchorRectOrientationProperty, (object)anchorRectOrientation);
}
public static extern int imaqUnwrapImage(IntPtr dest, IntPtr source, Annulus annulus, RectOrientation orientation, InterpolationMethod method);
