protected override void OnTextPropertyChanged(DependencyPropertyChangedEventArgs args)
{
if (String.IsNullOrEmpty(Text))
{
flattenedTextPathGeometry = null;
return;
}
FormattedText formattedText =
new FormattedText(Text, CultureInfo.CurrentCulture,
FlowDirection.LeftToRight, typeface, 100, Foreground);
textLength = formattedText.Width;
baseline = formattedText.Baseline;
Geometry formattedTextGeometry = formattedText.BuildGeometry(new Point());
flattenedTextPathGeometry = PathGeometry.CreateFromGeometry(formattedTextGeometry).GetFlattenedPathGeometry();
warpedTextPathGeometry = flattenedTextPathGeometry.CloneCurrentValue();
GenerateWarpedGeometry();
}
