private static void OnParentScaleXPropertyChanged(DependencyObject source, DependencyPropertyChangedEventArgs e)
{
ZoomElement thisLabel = (ZoomElement)source;
if (thisLabel.ParentScaleX != 0)
{
double tempScale = (1.0 / thisLabel.ParentScaleX) * (thisLabel.Scale);
thisLabel.SetScaleX(tempScale);
}
}
private static void OnScaleChanged(DependencyObject source, DependencyPropertyChangedEventArgs e)
{
ZoomElement thisLabel = (ZoomElement)source;//get this label
if (Math.Abs((double)e.NewValue - (double)e.OldValue) < 0.00001)
{
return;
}
if (thisLabel.ParentScaleX != 0)
{
double tempScaleX = (1.0 / thisLabel.ParentScaleX) * (thisLabel.Scale);
thisLabel.SetScaleX(tempScaleX);
}
if (thisLabel.ParentScaleY != 0)
{
double tempScaleY = (1.0 / thisLabel.ParentScaleY) * (thisLabel.Scale);
thisLabel.SetScaleY(tempScaleY);
}
thisLabel.ReinitializePosition(null, null);//update the label position
}