private static double GetLabelSlotY(ChartAnnotationLabelUpdateContext context, RadSize labelSize, double strokeThickness, double strokeCompensation)
{
ChartAnnotationLabelLocation location = context.Definition.Location;
RadRect annotationSlot = context.LayoutSlot;
VerticalAlignment verticalAlignment = context.Definition.VerticalAlignment;
double verticalOffset = context.Definition.VerticalOffset;
double y = context.Location.Y;
switch (location)
{
case ChartAnnotationLabelLocation.Top:
{
y = annotationSlot.Y - strokeCompensation - labelSize.Height;
break;
}
case ChartAnnotationLabelLocation.Bottom:
{
y = annotationSlot.Bottom + strokeCompensation;
break;
}
case ChartAnnotationLabelLocation.Left:
case ChartAnnotationLabelLocation.Right:
{
switch (verticalAlignment)
{
case VerticalAlignment.Top:
y = annotationSlot.Y;
break;
case VerticalAlignment.Center:
y = annotationSlot.Y + ((annotationSlot.Height - labelSize.Height) / 2);
break;
case VerticalAlignment.Bottom:
y = annotationSlot.Bottom - labelSize.Height;
break;
}
break;
}
case ChartAnnotationLabelLocation.Inside:
{
switch (verticalAlignment)
{
case VerticalAlignment.Top:
y = annotationSlot.Y + strokeThickness;
break;
case VerticalAlignment.Center:
y = annotationSlot.Y + ((annotationSlot.Height - labelSize.Height) / 2);
break;
case VerticalAlignment.Bottom:
y = annotationSlot.Bottom - strokeThickness - labelSize.Height;
break;
}
break;
}
}
y += verticalOffset;
return(y);
}
private static double GetLabelSlotX(ChartAnnotationLabelUpdateContext context, RadSize labelSize, double strokeThickness, double strokeCompensation)
{
ChartAnnotationLabelLocation location = context.Definition.Location;
RadRect annotationSlot = context.LayoutSlot;
HorizontalAlignment horizontalAlignment = context.Definition.HorizontalAlignment;
double horizontalOffset = context.Definition.HorizontalOffset;
double x = context.Location.X;
switch (location)
{
case ChartAnnotationLabelLocation.Left:
{
x = annotationSlot.X - strokeCompensation - labelSize.Width;
break;
}
case ChartAnnotationLabelLocation.Right:
{
x = annotationSlot.Right + strokeCompensation;
break;
}
case ChartAnnotationLabelLocation.Top:
case ChartAnnotationLabelLocation.Bottom:
{
switch (horizontalAlignment)
{
case HorizontalAlignment.Left:
x = annotationSlot.X;
break;
case HorizontalAlignment.Center:
x = annotationSlot.X + ((annotationSlot.Width - labelSize.Width) / 2);
break;
case HorizontalAlignment.Right:
x = annotationSlot.Right - labelSize.Width;
break;
}
break;
}
case ChartAnnotationLabelLocation.Inside:
{
switch (horizontalAlignment)
{
case HorizontalAlignment.Left:
x = annotationSlot.X + strokeThickness;
break;
case HorizontalAlignment.Center:
x = annotationSlot.X + ((annotationSlot.Width - labelSize.Width) / 2);
break;
case HorizontalAlignment.Right:
x = annotationSlot.Right - strokeThickness - labelSize.Width;
break;
}
break;
}
}
x += horizontalOffset;
return(x);
}