private void PlaceLabel(string text, AxisCore axis, AxisOrientation source)
{
_label.Text = text;
var formattedText = new FormattedText(
_label.Text,
CultureInfo.CurrentUICulture,
FlowDirection.LeftToRight,
new Typeface(_label.FontFamily, _label.FontStyle, _label.FontWeight, _label.FontStretch),
_label.FontSize, Brushes.Black);
var transform = new LabelEvaluation(axis.View.LabelsRotation,
formattedText.Width + 10, formattedText.Height, axis, source);
_label.RenderTransform = Math.Abs(transform.LabelAngle) > 1
? new RotateTransform(transform.LabelAngle)
: null;
var toLine = ChartFunctions.ToPlotArea(Value + SectionOffset + SectionWidth * .5, source, Model.Chart,
axis);
var direction = source == AxisOrientation.X ? 1 : -1;
toLine += axis.EvaluatesUnitWidth ? direction * ChartFunctions.GetUnitWidth(source, Model.Chart, axis) / 2 : 0;
var toLabel = toLine + transform.GetOffsetBySource(source);
var chart = Model.Chart;
if (axis.IsMerged)
{
const double padding = 4;
if (source == AxisOrientation.Y)
{
if (toLabel + transform.ActualHeight >
chart.DrawMargin.Top + chart.DrawMargin.Height)
{
toLabel -= transform.ActualHeight + padding;
}
}
else
{
if (toLabel + transform.ActualWidth >
chart.DrawMargin.Left + chart.DrawMargin.Width)
{
toLabel -= transform.ActualWidth + padding;
}
}
}
var labelTab = axis.Tab;
labelTab += transform.GetOffsetBySource(source.Invert());
if (source == AxisOrientation.Y)
{
labelTab += 8 * (axis.Position == AxisPosition.LeftBottom ? 1 : -1);
if (Model.View.DisableAnimations || DisableAnimations)
{
Canvas.SetLeft(_label, labelTab);
Canvas.SetTop(_label, toLabel);
return;
}
_label.BeginAnimation(Canvas.TopProperty,
new DoubleAnimation(toLabel, chart.View.AnimationsSpeed));
_label.BeginAnimation(Canvas.LeftProperty,
new DoubleAnimation(labelTab, chart.View.AnimationsSpeed));
}
else
{
if (Model.View.DisableAnimations || DisableAnimations)
{
Canvas.SetLeft(_label, toLabel);
Canvas.SetTop(_label, labelTab);
return;
}
_label.BeginAnimation(Canvas.LeftProperty,
new DoubleAnimation(toLabel, chart.View.AnimationsSpeed));
_label.BeginAnimation(Canvas.TopProperty,
new DoubleAnimation(labelTab, chart.View.AnimationsSpeed));
}
}
private void PlaceLabel(string text, AxisCore axis, AxisOrientation source)
{
_label.Text = text;
_label.UpdateLayout();
var transform = new LabelEvaluation(axis.View.LabelsRotation,
_label.Width + 10, _label.Height, axis, source);
_label.RenderTransform = Math.Abs(transform.LabelAngle) > 1
? new RotateTransform {
Angle = transform.LabelAngle
}
: null;
var toLine = ChartFunctions.ToPlotArea(Value, source, Model.Chart, axis);
var direction = source == AxisOrientation.X ? 1 : -1;
toLine += axis.EvaluatesUnitWidth ? direction * ChartFunctions.GetUnitWidth(source, Model.Chart, axis) / 2 : 0;
var toLabel = toLine + transform.GetOffsetBySource(source);
var chart = Model.Chart;
if (axis.IsMerged)
{
const double padding = 4;
if (source == AxisOrientation.Y)
{
if (toLabel + transform.ActualHeight >
chart.DrawMargin.Top + chart.DrawMargin.Height)
{
toLabel -= transform.ActualHeight + padding;
}
}
else
{
if (toLabel + transform.ActualWidth >
chart.DrawMargin.Left + chart.DrawMargin.Width)
{
toLabel -= transform.ActualWidth + padding;
}
}
}
var labelTab = axis.Tab;
labelTab += transform.GetOffsetBySource(source.Invert());
if (source == AxisOrientation.Y)
{
if (Model.View.DisableAnimations || DisableAnimations)
{
Canvas.SetLeft(_label, labelTab);
Canvas.SetTop(_label, toLabel);
return;
}
_label.BeginDoubleAnimation("Canvas.Top", toLabel, chart.View.AnimationsSpeed);
_label.BeginDoubleAnimation("Canvas.Left", labelTab, chart.View.AnimationsSpeed);
}
else
{
if (Model.View.DisableAnimations || DisableAnimations)
{
Canvas.SetLeft(_label, toLabel);
Canvas.SetTop(_label, labelTab);
return;
}
_label.BeginDoubleAnimation("Canvas.Left", toLabel, chart.View.AnimationsSpeed);
_label.BeginDoubleAnimation("Canvas.Top", labelTab, chart.View.AnimationsSpeed);
}
}