protected override void OnPathPropertyChanged(DependencyPropertyChangedEventArgs args)
{
if (base.PathFigure != null)
{
this.pathLength = TextOnPathBase.GetPathFigureLength(base.PathFigure);
this.GenerateWarpedGeometry();
}
}
private void OrientTextOnPath()
{
double pathFigureLength = TextOnPathBase.GetPathFigureLength(this.PathFigure);
double num = 0.0;
foreach (UIElement uIElement in this.mainPanel.Children)
{
uIElement.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
num += uIElement.DesiredSize.Width;
}
if (pathFigureLength != 0.0 && num != 0.0)
{
double num2 = pathFigureLength / num;
PathGeometry pathGeometry = new PathGeometry(new PathFigure[]
{
this.PathFigure
});
double num3 = num2 * 100.0 * base.FontFamily.Baseline;
double num4 = 0.0;
foreach (UIElement uIElement in this.mainPanel.Children)
{
double num5 = num2 * uIElement.DesiredSize.Width;
num4 += num5 / 2.0 / pathFigureLength;
Point point;
Point point2;
pathGeometry.GetPointAtFractionLength(num4, out point, out point2);
uIElement.RenderTransform = new TransformGroup
{
Children =
{
new ScaleTransform(num2, num2),
new RotateTransform(Math.Atan2(point2.Y, point2.X) * 180.0 / 3.1415926535897931,num5 / 2.0, num3),
new TranslateTransform(point.X - num5 / 2.0, point.Y - num3)
}
};
num4 += num5 / 2.0 / pathFigureLength;
}
}
}
protected override void OnPathPropertyChanged(DependencyPropertyChangedEventArgs args)
{
this.pathLength = TextOnPathBase.GetPathFigureLength(base.PathFigure);
base.InvalidateMeasure();
base.InvalidateVisual();
}
protected override void OnPathPropertyChanged(DependencyPropertyChangedEventArgs args)
{
this.pathLength = TextOnPathBase.GetPathFigureLength(base.PathFigure);
this.TransformVisualChildren();
}